blob: ef1e3d1173c43122f17af847bc0338e51e860733 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * tg3.c: Broadcom Tigon3 ethernet driver.
3 *
4 * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com)
5 * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com)
6 * Copyright (C) 2004 Sun Microsystems Inc.
Michael Chan65610fb2007-02-13 12:18:46 -08007 * Copyright (C) 2005-2007 Broadcom Corporation.
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 *
9 * Firmware is:
Michael Chan49cabf42005-06-06 15:15:17 -070010 * Derived from proprietary unpublished source code,
11 * Copyright (C) 2000-2003 Broadcom Corporation.
12 *
13 * Permission is hereby granted for the distribution of this firmware
14 * data in hexadecimal or equivalent format, provided this copyright
15 * notice is accompanying it.
Linus Torvalds1da177e2005-04-16 15:20:36 -070016 */
17
Linus Torvalds1da177e2005-04-16 15:20:36 -070018
19#include <linux/module.h>
20#include <linux/moduleparam.h>
21#include <linux/kernel.h>
22#include <linux/types.h>
23#include <linux/compiler.h>
24#include <linux/slab.h>
25#include <linux/delay.h>
Arnaldo Carvalho de Melo14c85022005-12-27 02:43:12 -020026#include <linux/in.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#include <linux/init.h>
28#include <linux/ioport.h>
29#include <linux/pci.h>
30#include <linux/netdevice.h>
31#include <linux/etherdevice.h>
32#include <linux/skbuff.h>
33#include <linux/ethtool.h>
34#include <linux/mii.h>
35#include <linux/if_vlan.h>
36#include <linux/ip.h>
37#include <linux/tcp.h>
38#include <linux/workqueue.h>
Michael Chan61487482005-09-05 17:53:19 -070039#include <linux/prefetch.h>
Tobias Klauserf9a5f7d2005-10-29 15:09:26 +020040#include <linux/dma-mapping.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070041
42#include <net/checksum.h>
Arnaldo Carvalho de Meloc9bdd4b2007-03-12 20:09:15 -030043#include <net/ip.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070044
45#include <asm/system.h>
46#include <asm/io.h>
47#include <asm/byteorder.h>
48#include <asm/uaccess.h>
49
David S. Miller49b6e95f2007-03-29 01:38:42 -070050#ifdef CONFIG_SPARC
Linus Torvalds1da177e2005-04-16 15:20:36 -070051#include <asm/idprom.h>
David S. Miller49b6e95f2007-03-29 01:38:42 -070052#include <asm/prom.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070053#endif
54
55#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
56#define TG3_VLAN_TAG_USED 1
57#else
58#define TG3_VLAN_TAG_USED 0
59#endif
60
Linus Torvalds1da177e2005-04-16 15:20:36 -070061#define TG3_TSO_SUPPORT 1
Linus Torvalds1da177e2005-04-16 15:20:36 -070062
63#include "tg3.h"
64
65#define DRV_MODULE_NAME "tg3"
66#define PFX DRV_MODULE_NAME ": "
Michael Chan2fbe43f2007-09-06 12:04:29 +010067#define DRV_MODULE_VERSION "3.81"
68#define DRV_MODULE_RELDATE "September 5, 2007"
Linus Torvalds1da177e2005-04-16 15:20:36 -070069
70#define TG3_DEF_MAC_MODE 0
71#define TG3_DEF_RX_MODE 0
72#define TG3_DEF_TX_MODE 0
73#define TG3_DEF_MSG_ENABLE \
74 (NETIF_MSG_DRV | \
75 NETIF_MSG_PROBE | \
76 NETIF_MSG_LINK | \
77 NETIF_MSG_TIMER | \
78 NETIF_MSG_IFDOWN | \
79 NETIF_MSG_IFUP | \
80 NETIF_MSG_RX_ERR | \
81 NETIF_MSG_TX_ERR)
82
83/* length of time before we decide the hardware is borked,
84 * and dev->tx_timeout() should be called to fix the problem
85 */
86#define TG3_TX_TIMEOUT (5 * HZ)
87
88/* hardware minimum and maximum for a single frame's data payload */
89#define TG3_MIN_MTU 60
90#define TG3_MAX_MTU(tp) \
Michael Chan0f893dc2005-07-25 12:30:38 -070091 ((tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) ? 9000 : 1500)
Linus Torvalds1da177e2005-04-16 15:20:36 -070092
93/* These numbers seem to be hard coded in the NIC firmware somehow.
94 * You can't change the ring sizes, but you can change where you place
95 * them in the NIC onboard memory.
96 */
97#define TG3_RX_RING_SIZE 512
98#define TG3_DEF_RX_RING_PENDING 200
99#define TG3_RX_JUMBO_RING_SIZE 256
100#define TG3_DEF_RX_JUMBO_RING_PENDING 100
101
102/* Do not place this n-ring entries value into the tp struct itself,
103 * we really want to expose these constants to GCC so that modulo et
104 * al. operations are done with shifts and masks instead of with
105 * hw multiply/modulo instructions. Another solution would be to
106 * replace things like '% foo' with '& (foo - 1)'.
107 */
108#define TG3_RX_RCB_RING_SIZE(tp) \
109 ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ? 512 : 1024)
110
111#define TG3_TX_RING_SIZE 512
112#define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1)
113
114#define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
115 TG3_RX_RING_SIZE)
116#define TG3_RX_JUMBO_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * \
117 TG3_RX_JUMBO_RING_SIZE)
118#define TG3_RX_RCB_RING_BYTES(tp) (sizeof(struct tg3_rx_buffer_desc) * \
119 TG3_RX_RCB_RING_SIZE(tp))
120#define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \
121 TG3_TX_RING_SIZE)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122#define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1))
123
124#define RX_PKT_BUF_SZ (1536 + tp->rx_offset + 64)
125#define RX_JUMBO_PKT_BUF_SZ (9046 + tp->rx_offset + 64)
126
127/* minimum number of free TX descriptors required to wake up TX process */
Ranjit Manomohan42952232006-10-18 20:54:26 -0700128#define TG3_TX_WAKEUP_THRESH(tp) ((tp)->tx_pending / 4)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129
130/* number of ETHTOOL_GSTATS u64's */
131#define TG3_NUM_STATS (sizeof(struct tg3_ethtool_stats)/sizeof(u64))
132
Michael Chan4cafd3f2005-05-29 14:56:34 -0700133#define TG3_NUM_TEST 6
134
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135static char version[] __devinitdata =
136 DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
137
138MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)");
139MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver");
140MODULE_LICENSE("GPL");
141MODULE_VERSION(DRV_MODULE_VERSION);
142
143static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */
144module_param(tg3_debug, int, 0);
145MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value");
146
147static struct pci_device_id tg3_pci_tbl[] = {
Henrik Kretzschmar13185212006-08-22 00:28:33 -0700148 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)},
149 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)},
150 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)},
151 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)},
152 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)},
153 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)},
154 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)},
155 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)},
156 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)},
157 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)},
158 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)},
159 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)},
160 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)},
161 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)},
162 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)},
163 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)},
164 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)},
165 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)},
166 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)},
167 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)},
168 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)},
169 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)},
170 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5720)},
171 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)},
Michael Chan126a3362006-09-27 16:03:07 -0700172 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)},
Henrik Kretzschmar13185212006-08-22 00:28:33 -0700173 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)},
174 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)},
175 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750M)},
176 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)},
177 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)},
178 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)},
179 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)},
180 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)},
181 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)},
182 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)},
183 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)},
184 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)},
185 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)},
186 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)},
Michael Chan126a3362006-09-27 16:03:07 -0700187 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)},
Henrik Kretzschmar13185212006-08-22 00:28:33 -0700188 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)},
189 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)},
190 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)},
Michael Chan676917d2006-12-07 00:20:22 -0800191 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)},
Henrik Kretzschmar13185212006-08-22 00:28:33 -0700192 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)},
193 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)},
194 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)},
195 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)},
196 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)},
197 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)},
198 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)},
Michael Chanb5d37722006-09-27 16:06:21 -0700199 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)},
200 {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
Henrik Kretzschmar13185212006-08-22 00:28:33 -0700201 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
202 {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
203 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
204 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)},
205 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)},
206 {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)},
207 {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)},
208 {}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700209};
210
211MODULE_DEVICE_TABLE(pci, tg3_pci_tbl);
212
Andreas Mohr50da8592006-08-14 23:54:30 -0700213static const struct {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214 const char string[ETH_GSTRING_LEN];
215} ethtool_stats_keys[TG3_NUM_STATS] = {
216 { "rx_octets" },
217 { "rx_fragments" },
218 { "rx_ucast_packets" },
219 { "rx_mcast_packets" },
220 { "rx_bcast_packets" },
221 { "rx_fcs_errors" },
222 { "rx_align_errors" },
223 { "rx_xon_pause_rcvd" },
224 { "rx_xoff_pause_rcvd" },
225 { "rx_mac_ctrl_rcvd" },
226 { "rx_xoff_entered" },
227 { "rx_frame_too_long_errors" },
228 { "rx_jabbers" },
229 { "rx_undersize_packets" },
230 { "rx_in_length_errors" },
231 { "rx_out_length_errors" },
232 { "rx_64_or_less_octet_packets" },
233 { "rx_65_to_127_octet_packets" },
234 { "rx_128_to_255_octet_packets" },
235 { "rx_256_to_511_octet_packets" },
236 { "rx_512_to_1023_octet_packets" },
237 { "rx_1024_to_1522_octet_packets" },
238 { "rx_1523_to_2047_octet_packets" },
239 { "rx_2048_to_4095_octet_packets" },
240 { "rx_4096_to_8191_octet_packets" },
241 { "rx_8192_to_9022_octet_packets" },
242
243 { "tx_octets" },
244 { "tx_collisions" },
245
246 { "tx_xon_sent" },
247 { "tx_xoff_sent" },
248 { "tx_flow_control" },
249 { "tx_mac_errors" },
250 { "tx_single_collisions" },
251 { "tx_mult_collisions" },
252 { "tx_deferred" },
253 { "tx_excessive_collisions" },
254 { "tx_late_collisions" },
255 { "tx_collide_2times" },
256 { "tx_collide_3times" },
257 { "tx_collide_4times" },
258 { "tx_collide_5times" },
259 { "tx_collide_6times" },
260 { "tx_collide_7times" },
261 { "tx_collide_8times" },
262 { "tx_collide_9times" },
263 { "tx_collide_10times" },
264 { "tx_collide_11times" },
265 { "tx_collide_12times" },
266 { "tx_collide_13times" },
267 { "tx_collide_14times" },
268 { "tx_collide_15times" },
269 { "tx_ucast_packets" },
270 { "tx_mcast_packets" },
271 { "tx_bcast_packets" },
272 { "tx_carrier_sense_errors" },
273 { "tx_discards" },
274 { "tx_errors" },
275
276 { "dma_writeq_full" },
277 { "dma_write_prioq_full" },
278 { "rxbds_empty" },
279 { "rx_discards" },
280 { "rx_errors" },
281 { "rx_threshold_hit" },
282
283 { "dma_readq_full" },
284 { "dma_read_prioq_full" },
285 { "tx_comp_queue_full" },
286
287 { "ring_set_send_prod_index" },
288 { "ring_status_update" },
289 { "nic_irqs" },
290 { "nic_avoided_irqs" },
291 { "nic_tx_threshold_hit" }
292};
293
Andreas Mohr50da8592006-08-14 23:54:30 -0700294static const struct {
Michael Chan4cafd3f2005-05-29 14:56:34 -0700295 const char string[ETH_GSTRING_LEN];
296} ethtool_test_keys[TG3_NUM_TEST] = {
297 { "nvram test (online) " },
298 { "link test (online) " },
299 { "register test (offline)" },
300 { "memory test (offline)" },
301 { "loopback test (offline)" },
302 { "interrupt test (offline)" },
303};
304
Michael Chanb401e9e2005-12-19 16:27:04 -0800305static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
306{
307 writel(val, tp->regs + off);
308}
309
310static u32 tg3_read32(struct tg3 *tp, u32 off)
311{
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400312 return (readl(tp->regs + off));
Michael Chanb401e9e2005-12-19 16:27:04 -0800313}
314
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
316{
Michael Chan68929142005-08-09 20:17:14 -0700317 unsigned long flags;
318
319 spin_lock_irqsave(&tp->indirect_lock, flags);
Michael Chan1ee582d2005-08-09 20:16:46 -0700320 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
321 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
Michael Chan68929142005-08-09 20:17:14 -0700322 spin_unlock_irqrestore(&tp->indirect_lock, flags);
Michael Chan1ee582d2005-08-09 20:16:46 -0700323}
324
325static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val)
326{
327 writel(val, tp->regs + off);
328 readl(tp->regs + off);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700329}
330
Michael Chan68929142005-08-09 20:17:14 -0700331static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off)
332{
333 unsigned long flags;
334 u32 val;
335
336 spin_lock_irqsave(&tp->indirect_lock, flags);
337 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off);
338 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
339 spin_unlock_irqrestore(&tp->indirect_lock, flags);
340 return val;
341}
342
343static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
344{
345 unsigned long flags;
346
347 if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) {
348 pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX +
349 TG3_64BIT_REG_LOW, val);
350 return;
351 }
352 if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
353 pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
354 TG3_64BIT_REG_LOW, val);
355 return;
356 }
357
358 spin_lock_irqsave(&tp->indirect_lock, flags);
359 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
360 pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val);
361 spin_unlock_irqrestore(&tp->indirect_lock, flags);
362
363 /* In indirect mode when disabling interrupts, we also need
364 * to clear the interrupt bit in the GRC local ctrl register.
365 */
366 if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) &&
367 (val == 0x1)) {
368 pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL,
369 tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT);
370 }
371}
372
373static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
374{
375 unsigned long flags;
376 u32 val;
377
378 spin_lock_irqsave(&tp->indirect_lock, flags);
379 pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600);
380 pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val);
381 spin_unlock_irqrestore(&tp->indirect_lock, flags);
382 return val;
383}
384
Michael Chanb401e9e2005-12-19 16:27:04 -0800385/* usec_wait specifies the wait time in usec when writing to certain registers
386 * where it is unsafe to read back the register without some delay.
387 * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
388 * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
389 */
390static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391{
Michael Chanb401e9e2005-12-19 16:27:04 -0800392 if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
393 (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
394 /* Non-posted methods */
395 tp->write32(tp, off, val);
396 else {
397 /* Posted method */
398 tg3_write32(tp, off, val);
399 if (usec_wait)
400 udelay(usec_wait);
401 tp->read32(tp, off);
402 }
403 /* Wait again after the read for the posted method to guarantee that
404 * the wait time is met.
405 */
406 if (usec_wait)
407 udelay(usec_wait);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700408}
409
Michael Chan09ee9292005-08-09 20:17:00 -0700410static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
411{
412 tp->write32_mbox(tp, off, val);
Michael Chan68929142005-08-09 20:17:14 -0700413 if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
414 !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
415 tp->read32_mbox(tp, off);
Michael Chan09ee9292005-08-09 20:17:00 -0700416}
417
Michael Chan20094932005-08-09 20:16:32 -0700418static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700419{
420 void __iomem *mbox = tp->regs + off;
421 writel(val, mbox);
422 if (tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG)
423 writel(val, mbox);
424 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
425 readl(mbox);
426}
427
Michael Chanb5d37722006-09-27 16:06:21 -0700428static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off)
429{
430 return (readl(tp->regs + off + GRCMBOX_BASE));
431}
432
433static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val)
434{
435 writel(val, tp->regs + off + GRCMBOX_BASE);
436}
437
Michael Chan20094932005-08-09 20:16:32 -0700438#define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
Michael Chan09ee9292005-08-09 20:17:00 -0700439#define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
Michael Chan20094932005-08-09 20:16:32 -0700440#define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
441#define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val)
Michael Chan09ee9292005-08-09 20:17:00 -0700442#define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
Michael Chan20094932005-08-09 20:16:32 -0700443
444#define tw32(reg,val) tp->write32(tp, reg, val)
Michael Chanb401e9e2005-12-19 16:27:04 -0800445#define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
446#define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
Michael Chan20094932005-08-09 20:16:32 -0700447#define tr32(reg) tp->read32(tp, reg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448
449static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
450{
Michael Chan68929142005-08-09 20:17:14 -0700451 unsigned long flags;
452
Michael Chanb5d37722006-09-27 16:06:21 -0700453 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
454 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC))
455 return;
456
Michael Chan68929142005-08-09 20:17:14 -0700457 spin_lock_irqsave(&tp->indirect_lock, flags);
Michael Chanbbadf502006-04-06 21:46:34 -0700458 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
459 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
460 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700461
Michael Chanbbadf502006-04-06 21:46:34 -0700462 /* Always leave this as zero. */
463 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
464 } else {
465 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
466 tw32_f(TG3PCI_MEM_WIN_DATA, val);
467
468 /* Always leave this as zero. */
469 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
470 }
Michael Chan68929142005-08-09 20:17:14 -0700471 spin_unlock_irqrestore(&tp->indirect_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700472}
473
474static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
475{
Michael Chan68929142005-08-09 20:17:14 -0700476 unsigned long flags;
477
Michael Chanb5d37722006-09-27 16:06:21 -0700478 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) &&
479 (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) {
480 *val = 0;
481 return;
482 }
483
Michael Chan68929142005-08-09 20:17:14 -0700484 spin_lock_irqsave(&tp->indirect_lock, flags);
Michael Chanbbadf502006-04-06 21:46:34 -0700485 if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
486 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
487 pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700488
Michael Chanbbadf502006-04-06 21:46:34 -0700489 /* Always leave this as zero. */
490 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
491 } else {
492 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
493 *val = tr32(TG3PCI_MEM_WIN_DATA);
494
495 /* Always leave this as zero. */
496 tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
497 }
Michael Chan68929142005-08-09 20:17:14 -0700498 spin_unlock_irqrestore(&tp->indirect_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700499}
500
501static void tg3_disable_ints(struct tg3 *tp)
502{
503 tw32(TG3PCI_MISC_HOST_CTRL,
504 (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT));
Michael Chan09ee9292005-08-09 20:17:00 -0700505 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700506}
507
508static inline void tg3_cond_int(struct tg3 *tp)
509{
Michael Chan38f38432005-09-05 17:53:32 -0700510 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
511 (tp->hw_status->status & SD_STATUS_UPDATED))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700512 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
Michael Chanb5d37722006-09-27 16:06:21 -0700513 else
514 tw32(HOSTCC_MODE, tp->coalesce_mode |
515 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700516}
517
518static void tg3_enable_ints(struct tg3 *tp)
519{
Michael Chanbbe832c2005-06-24 20:20:04 -0700520 tp->irq_sync = 0;
521 wmb();
522
Linus Torvalds1da177e2005-04-16 15:20:36 -0700523 tw32(TG3PCI_MISC_HOST_CTRL,
524 (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT));
Michael Chan09ee9292005-08-09 20:17:00 -0700525 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
526 (tp->last_tag << 24));
Michael Chanfcfa0a32006-03-20 22:28:41 -0800527 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
528 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
529 (tp->last_tag << 24));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700530 tg3_cond_int(tp);
531}
532
Michael Chan04237dd2005-04-25 15:17:17 -0700533static inline unsigned int tg3_has_work(struct tg3 *tp)
534{
535 struct tg3_hw_status *sblk = tp->hw_status;
536 unsigned int work_exists = 0;
537
538 /* check for phy events */
539 if (!(tp->tg3_flags &
540 (TG3_FLAG_USE_LINKCHG_REG |
541 TG3_FLAG_POLL_SERDES))) {
542 if (sblk->status & SD_STATUS_LINK_CHG)
543 work_exists = 1;
544 }
545 /* check for RX/TX work to do */
546 if (sblk->idx[0].tx_consumer != tp->tx_cons ||
547 sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
548 work_exists = 1;
549
550 return work_exists;
551}
552
Linus Torvalds1da177e2005-04-16 15:20:36 -0700553/* tg3_restart_ints
Michael Chan04237dd2005-04-25 15:17:17 -0700554 * similar to tg3_enable_ints, but it accurately determines whether there
555 * is new work pending and can return without flushing the PIO write
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400556 * which reenables interrupts
Linus Torvalds1da177e2005-04-16 15:20:36 -0700557 */
558static void tg3_restart_ints(struct tg3 *tp)
559{
David S. Millerfac9b832005-05-18 22:46:34 -0700560 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
561 tp->last_tag << 24);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700562 mmiowb();
563
David S. Millerfac9b832005-05-18 22:46:34 -0700564 /* When doing tagged status, this work check is unnecessary.
565 * The last_tag we write above tells the chip which piece of
566 * work we've completed.
567 */
568 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) &&
569 tg3_has_work(tp))
Michael Chan04237dd2005-04-25 15:17:17 -0700570 tw32(HOSTCC_MODE, tp->coalesce_mode |
571 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700572}
573
574static inline void tg3_netif_stop(struct tg3 *tp)
575{
Michael Chanbbe832c2005-06-24 20:20:04 -0700576 tp->dev->trans_start = jiffies; /* prevent tx timeout */
Stephen Hemmingerbea33482007-10-03 16:41:36 -0700577 napi_disable(&tp->napi);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700578 netif_tx_disable(tp->dev);
579}
580
581static inline void tg3_netif_start(struct tg3 *tp)
582{
583 netif_wake_queue(tp->dev);
584 /* NOTE: unconditional netif_wake_queue is only appropriate
585 * so long as all callers are assured to have free tx slots
586 * (such as after tg3_init_hw)
587 */
Stephen Hemmingerbea33482007-10-03 16:41:36 -0700588 napi_enable(&tp->napi);
David S. Millerf47c11e2005-06-24 20:18:35 -0700589 tp->hw_status->status |= SD_STATUS_UPDATED;
590 tg3_enable_ints(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700591}
592
593static void tg3_switch_clocks(struct tg3 *tp)
594{
595 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
596 u32 orig_clock_ctrl;
597
Michael Chana4e2b342005-10-26 15:46:52 -0700598 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
Michael Chan4cf78e42005-07-25 12:29:19 -0700599 return;
600
Linus Torvalds1da177e2005-04-16 15:20:36 -0700601 orig_clock_ctrl = clock_ctrl;
602 clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN |
603 CLOCK_CTRL_CLKRUN_OENABLE |
604 0x1f);
605 tp->pci_clock_ctrl = clock_ctrl;
606
607 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
608 if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
Michael Chanb401e9e2005-12-19 16:27:04 -0800609 tw32_wait_f(TG3PCI_CLOCK_CTRL,
610 clock_ctrl | CLOCK_CTRL_625_CORE, 40);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700611 }
612 } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
Michael Chanb401e9e2005-12-19 16:27:04 -0800613 tw32_wait_f(TG3PCI_CLOCK_CTRL,
614 clock_ctrl |
615 (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
616 40);
617 tw32_wait_f(TG3PCI_CLOCK_CTRL,
618 clock_ctrl | (CLOCK_CTRL_ALTCLK),
619 40);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700620 }
Michael Chanb401e9e2005-12-19 16:27:04 -0800621 tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700622}
623
624#define PHY_BUSY_LOOPS 5000
625
626static int tg3_readphy(struct tg3 *tp, int reg, u32 *val)
627{
628 u32 frame_val;
629 unsigned int loops;
630 int ret;
631
632 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
633 tw32_f(MAC_MI_MODE,
634 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
635 udelay(80);
636 }
637
638 *val = 0x0;
639
640 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
641 MI_COM_PHY_ADDR_MASK);
642 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
643 MI_COM_REG_ADDR_MASK);
644 frame_val |= (MI_COM_CMD_READ | MI_COM_START);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400645
Linus Torvalds1da177e2005-04-16 15:20:36 -0700646 tw32_f(MAC_MI_COM, frame_val);
647
648 loops = PHY_BUSY_LOOPS;
649 while (loops != 0) {
650 udelay(10);
651 frame_val = tr32(MAC_MI_COM);
652
653 if ((frame_val & MI_COM_BUSY) == 0) {
654 udelay(5);
655 frame_val = tr32(MAC_MI_COM);
656 break;
657 }
658 loops -= 1;
659 }
660
661 ret = -EBUSY;
662 if (loops != 0) {
663 *val = frame_val & MI_COM_DATA_MASK;
664 ret = 0;
665 }
666
667 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
668 tw32_f(MAC_MI_MODE, tp->mi_mode);
669 udelay(80);
670 }
671
672 return ret;
673}
674
675static int tg3_writephy(struct tg3 *tp, int reg, u32 val)
676{
677 u32 frame_val;
678 unsigned int loops;
679 int ret;
680
Michael Chanb5d37722006-09-27 16:06:21 -0700681 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 &&
682 (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL))
683 return 0;
684
Linus Torvalds1da177e2005-04-16 15:20:36 -0700685 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
686 tw32_f(MAC_MI_MODE,
687 (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL));
688 udelay(80);
689 }
690
691 frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) &
692 MI_COM_PHY_ADDR_MASK);
693 frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) &
694 MI_COM_REG_ADDR_MASK);
695 frame_val |= (val & MI_COM_DATA_MASK);
696 frame_val |= (MI_COM_CMD_WRITE | MI_COM_START);
Jeff Garzik6aa20a22006-09-13 13:24:59 -0400697
Linus Torvalds1da177e2005-04-16 15:20:36 -0700698 tw32_f(MAC_MI_COM, frame_val);
699
700 loops = PHY_BUSY_LOOPS;
701 while (loops != 0) {
702 udelay(10);
703 frame_val = tr32(MAC_MI_COM);
704 if ((frame_val & MI_COM_BUSY) == 0) {
705 udelay(5);
706 frame_val = tr32(MAC_MI_COM);
707 break;
708 }
709 loops -= 1;
710 }
711
712 ret = -EBUSY;
713 if (loops != 0)
714 ret = 0;
715
716 if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) {
717 tw32_f(MAC_MI_MODE, tp->mi_mode);
718 udelay(80);
719 }
720
721 return ret;
722}
723
Matt Carlson9ef8ca92007-07-11 19:48:29 -0700724static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable)
725{
726 u32 phy;
727
728 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
729 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
730 return;
731
732 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
733 u32 ephy;
734
735 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &ephy)) {
736 tg3_writephy(tp, MII_TG3_EPHY_TEST,
737 ephy | MII_TG3_EPHY_SHADOW_EN);
738 if (!tg3_readphy(tp, MII_TG3_EPHYTST_MISCCTRL, &phy)) {
739 if (enable)
740 phy |= MII_TG3_EPHYTST_MISCCTRL_MDIX;
741 else
742 phy &= ~MII_TG3_EPHYTST_MISCCTRL_MDIX;
743 tg3_writephy(tp, MII_TG3_EPHYTST_MISCCTRL, phy);
744 }
745 tg3_writephy(tp, MII_TG3_EPHY_TEST, ephy);
746 }
747 } else {
748 phy = MII_TG3_AUXCTL_MISC_RDSEL_MISC |
749 MII_TG3_AUXCTL_SHDWSEL_MISC;
750 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, phy) &&
751 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy)) {
752 if (enable)
753 phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
754 else
755 phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX;
756 phy |= MII_TG3_AUXCTL_MISC_WREN;
757 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
758 }
759 }
760}
761
Linus Torvalds1da177e2005-04-16 15:20:36 -0700762static void tg3_phy_set_wirespeed(struct tg3 *tp)
763{
764 u32 val;
765
766 if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED)
767 return;
768
769 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007) &&
770 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &val))
771 tg3_writephy(tp, MII_TG3_AUX_CTRL,
772 (val | (1 << 15) | (1 << 4)));
773}
774
775static int tg3_bmcr_reset(struct tg3 *tp)
776{
777 u32 phy_control;
778 int limit, err;
779
780 /* OK, reset it, and poll the BMCR_RESET bit until it
781 * clears or we time out.
782 */
783 phy_control = BMCR_RESET;
784 err = tg3_writephy(tp, MII_BMCR, phy_control);
785 if (err != 0)
786 return -EBUSY;
787
788 limit = 5000;
789 while (limit--) {
790 err = tg3_readphy(tp, MII_BMCR, &phy_control);
791 if (err != 0)
792 return -EBUSY;
793
794 if ((phy_control & BMCR_RESET) == 0) {
795 udelay(40);
796 break;
797 }
798 udelay(10);
799 }
800 if (limit <= 0)
801 return -EBUSY;
802
803 return 0;
804}
805
806static int tg3_wait_macro_done(struct tg3 *tp)
807{
808 int limit = 100;
809
810 while (limit--) {
811 u32 tmp32;
812
813 if (!tg3_readphy(tp, 0x16, &tmp32)) {
814 if ((tmp32 & 0x1000) == 0)
815 break;
816 }
817 }
818 if (limit <= 0)
819 return -EBUSY;
820
821 return 0;
822}
823
824static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp)
825{
826 static const u32 test_pat[4][6] = {
827 { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 },
828 { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 },
829 { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 },
830 { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 }
831 };
832 int chan;
833
834 for (chan = 0; chan < 4; chan++) {
835 int i;
836
837 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
838 (chan * 0x2000) | 0x0200);
839 tg3_writephy(tp, 0x16, 0x0002);
840
841 for (i = 0; i < 6; i++)
842 tg3_writephy(tp, MII_TG3_DSP_RW_PORT,
843 test_pat[chan][i]);
844
845 tg3_writephy(tp, 0x16, 0x0202);
846 if (tg3_wait_macro_done(tp)) {
847 *resetp = 1;
848 return -EBUSY;
849 }
850
851 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
852 (chan * 0x2000) | 0x0200);
853 tg3_writephy(tp, 0x16, 0x0082);
854 if (tg3_wait_macro_done(tp)) {
855 *resetp = 1;
856 return -EBUSY;
857 }
858
859 tg3_writephy(tp, 0x16, 0x0802);
860 if (tg3_wait_macro_done(tp)) {
861 *resetp = 1;
862 return -EBUSY;
863 }
864
865 for (i = 0; i < 6; i += 2) {
866 u32 low, high;
867
868 if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) ||
869 tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) ||
870 tg3_wait_macro_done(tp)) {
871 *resetp = 1;
872 return -EBUSY;
873 }
874 low &= 0x7fff;
875 high &= 0x000f;
876 if (low != test_pat[chan][i] ||
877 high != test_pat[chan][i+1]) {
878 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b);
879 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001);
880 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005);
881
882 return -EBUSY;
883 }
884 }
885 }
886
887 return 0;
888}
889
890static int tg3_phy_reset_chanpat(struct tg3 *tp)
891{
892 int chan;
893
894 for (chan = 0; chan < 4; chan++) {
895 int i;
896
897 tg3_writephy(tp, MII_TG3_DSP_ADDRESS,
898 (chan * 0x2000) | 0x0200);
899 tg3_writephy(tp, 0x16, 0x0002);
900 for (i = 0; i < 6; i++)
901 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000);
902 tg3_writephy(tp, 0x16, 0x0202);
903 if (tg3_wait_macro_done(tp))
904 return -EBUSY;
905 }
906
907 return 0;
908}
909
910static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
911{
912 u32 reg32, phy9_orig;
913 int retries, do_phy_reset, err;
914
915 retries = 10;
916 do_phy_reset = 1;
917 do {
918 if (do_phy_reset) {
919 err = tg3_bmcr_reset(tp);
920 if (err)
921 return err;
922 do_phy_reset = 0;
923 }
924
925 /* Disable transmitter and interrupt. */
926 if (tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32))
927 continue;
928
929 reg32 |= 0x3000;
930 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
931
932 /* Set full-duplex, 1000 mbps. */
933 tg3_writephy(tp, MII_BMCR,
934 BMCR_FULLDPLX | TG3_BMCR_SPEED1000);
935
936 /* Set to master mode. */
937 if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig))
938 continue;
939
940 tg3_writephy(tp, MII_TG3_CTRL,
941 (MII_TG3_CTRL_AS_MASTER |
942 MII_TG3_CTRL_ENABLE_AS_MASTER));
943
944 /* Enable SM_DSP_CLOCK and 6dB. */
945 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
946
947 /* Block the PHY control access. */
948 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
949 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0800);
950
951 err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset);
952 if (!err)
953 break;
954 } while (--retries);
955
956 err = tg3_phy_reset_chanpat(tp);
957 if (err)
958 return err;
959
960 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005);
961 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000);
962
963 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
964 tg3_writephy(tp, 0x16, 0x0000);
965
966 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
967 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
968 /* Set Extended packet length bit for jumbo frames */
969 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
970 }
971 else {
972 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
973 }
974
975 tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
976
977 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
978 reg32 &= ~0x3000;
979 tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
980 } else if (!err)
981 err = -EBUSY;
982
983 return err;
984}
985
Michael Chanc8e1e822006-04-29 18:55:17 -0700986static void tg3_link_report(struct tg3 *);
987
Linus Torvalds1da177e2005-04-16 15:20:36 -0700988/* This will reset the tigon3 PHY if there is no valid
989 * link unless the FORCE argument is non-zero.
990 */
991static int tg3_phy_reset(struct tg3 *tp)
992{
993 u32 phy_status;
994 int err;
995
Michael Chan60189dd2006-12-17 17:08:07 -0800996 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
997 u32 val;
998
999 val = tr32(GRC_MISC_CFG);
1000 tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ);
1001 udelay(40);
1002 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001003 err = tg3_readphy(tp, MII_BMSR, &phy_status);
1004 err |= tg3_readphy(tp, MII_BMSR, &phy_status);
1005 if (err != 0)
1006 return -EBUSY;
1007
Michael Chanc8e1e822006-04-29 18:55:17 -07001008 if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) {
1009 netif_carrier_off(tp->dev);
1010 tg3_link_report(tp);
1011 }
1012
Linus Torvalds1da177e2005-04-16 15:20:36 -07001013 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1014 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1015 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
1016 err = tg3_phy_reset_5703_4_5(tp);
1017 if (err)
1018 return err;
1019 goto out;
1020 }
1021
1022 err = tg3_bmcr_reset(tp);
1023 if (err)
1024 return err;
1025
1026out:
1027 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADC_BUG) {
1028 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1029 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1030 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x2aaa);
1031 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1032 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0323);
1033 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1034 }
1035 if (tp->tg3_flags2 & TG3_FLG2_PHY_5704_A0_BUG) {
1036 tg3_writephy(tp, 0x1c, 0x8d68);
1037 tg3_writephy(tp, 0x1c, 0x8d68);
1038 }
1039 if (tp->tg3_flags2 & TG3_FLG2_PHY_BER_BUG) {
1040 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1041 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
1042 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x310b);
1043 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1044 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x9506);
1045 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x401f);
1046 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x14e2);
1047 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1048 }
Michael Chanc424cb22006-04-29 18:56:34 -07001049 else if (tp->tg3_flags2 & TG3_FLG2_PHY_JITTER_BUG) {
1050 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
1051 tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
Michael Chanc1d2a192007-01-08 19:57:20 -08001052 if (tp->tg3_flags2 & TG3_FLG2_PHY_ADJUST_TRIM) {
1053 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
1054 tg3_writephy(tp, MII_TG3_TEST1,
1055 MII_TG3_TEST1_TRIM_EN | 0x4);
1056 } else
1057 tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
Michael Chanc424cb22006-04-29 18:56:34 -07001058 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
1059 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001060 /* Set Extended packet length bit (bit 14) on all chips that */
1061 /* support jumbo frames */
1062 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1063 /* Cannot do read-modify-write on 5401 */
1064 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
Michael Chan0f893dc2005-07-25 12:30:38 -07001065 } else if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001066 u32 phy_reg;
1067
1068 /* Set bit 14 with read-modify-write to preserve other bits */
1069 if (!tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0007) &&
1070 !tg3_readphy(tp, MII_TG3_AUX_CTRL, &phy_reg))
1071 tg3_writephy(tp, MII_TG3_AUX_CTRL, phy_reg | 0x4000);
1072 }
1073
1074 /* Set phy register 0x10 bit 0 to high fifo elasticity to support
1075 * jumbo frames transmission.
1076 */
Michael Chan0f893dc2005-07-25 12:30:38 -07001077 if (tp->tg3_flags2 & TG3_FLG2_JUMBO_CAPABLE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001078 u32 phy_reg;
1079
1080 if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &phy_reg))
1081 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1082 phy_reg | MII_TG3_EXT_CTRL_FIFO_ELASTIC);
1083 }
1084
Michael Chan715116a2006-09-27 16:09:25 -07001085 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
Michael Chan715116a2006-09-27 16:09:25 -07001086 /* adjust output voltage */
1087 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x12);
Michael Chan715116a2006-09-27 16:09:25 -07001088 }
1089
Matt Carlson9ef8ca92007-07-11 19:48:29 -07001090 tg3_phy_toggle_automdix(tp, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001091 tg3_phy_set_wirespeed(tp);
1092 return 0;
1093}
1094
1095static void tg3_frob_aux_power(struct tg3 *tp)
1096{
1097 struct tg3 *tp_peer = tp;
1098
Michael Chan9d26e212006-12-07 00:21:14 -08001099 if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001100 return;
1101
Michael Chan8c2dc7e2005-12-19 16:26:02 -08001102 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
1103 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
1104 struct net_device *dev_peer;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001105
Michael Chan8c2dc7e2005-12-19 16:26:02 -08001106 dev_peer = pci_get_drvdata(tp->pdev_peer);
Michael Chanbc1c7562006-03-20 17:48:03 -08001107 /* remove_one() may have been run on the peer. */
Michael Chan8c2dc7e2005-12-19 16:26:02 -08001108 if (!dev_peer)
Michael Chanbc1c7562006-03-20 17:48:03 -08001109 tp_peer = tp;
1110 else
1111 tp_peer = netdev_priv(dev_peer);
Michael Chan8c2dc7e2005-12-19 16:26:02 -08001112 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001113
1114 if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
Michael Chan6921d202005-12-13 21:15:53 -08001115 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
1116 (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
1117 (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001118 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1119 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
Michael Chanb401e9e2005-12-19 16:27:04 -08001120 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1121 (GRC_LCLCTRL_GPIO_OE0 |
1122 GRC_LCLCTRL_GPIO_OE1 |
1123 GRC_LCLCTRL_GPIO_OE2 |
1124 GRC_LCLCTRL_GPIO_OUTPUT0 |
1125 GRC_LCLCTRL_GPIO_OUTPUT1),
1126 100);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001127 } else {
1128 u32 no_gpio2;
Michael Chandc56b7d2005-12-19 16:26:28 -08001129 u32 grc_local_ctrl = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001130
1131 if (tp_peer != tp &&
1132 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1133 return;
1134
Michael Chandc56b7d2005-12-19 16:26:28 -08001135 /* Workaround to prevent overdrawing Amps. */
1136 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1137 ASIC_REV_5714) {
1138 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
Michael Chanb401e9e2005-12-19 16:27:04 -08001139 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1140 grc_local_ctrl, 100);
Michael Chandc56b7d2005-12-19 16:26:28 -08001141 }
1142
Linus Torvalds1da177e2005-04-16 15:20:36 -07001143 /* On 5753 and variants, GPIO2 cannot be used. */
1144 no_gpio2 = tp->nic_sram_data_cfg &
1145 NIC_SRAM_DATA_CFG_NO_GPIO2;
1146
Michael Chandc56b7d2005-12-19 16:26:28 -08001147 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
Linus Torvalds1da177e2005-04-16 15:20:36 -07001148 GRC_LCLCTRL_GPIO_OE1 |
1149 GRC_LCLCTRL_GPIO_OE2 |
1150 GRC_LCLCTRL_GPIO_OUTPUT1 |
1151 GRC_LCLCTRL_GPIO_OUTPUT2;
1152 if (no_gpio2) {
1153 grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
1154 GRC_LCLCTRL_GPIO_OUTPUT2);
1155 }
Michael Chanb401e9e2005-12-19 16:27:04 -08001156 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1157 grc_local_ctrl, 100);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001158
1159 grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
1160
Michael Chanb401e9e2005-12-19 16:27:04 -08001161 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1162 grc_local_ctrl, 100);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001163
1164 if (!no_gpio2) {
1165 grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
Michael Chanb401e9e2005-12-19 16:27:04 -08001166 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1167 grc_local_ctrl, 100);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001168 }
1169 }
1170 } else {
1171 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
1172 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
1173 if (tp_peer != tp &&
1174 (tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
1175 return;
1176
Michael Chanb401e9e2005-12-19 16:27:04 -08001177 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1178 (GRC_LCLCTRL_GPIO_OE1 |
1179 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001180
Michael Chanb401e9e2005-12-19 16:27:04 -08001181 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1182 GRC_LCLCTRL_GPIO_OE1, 100);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001183
Michael Chanb401e9e2005-12-19 16:27:04 -08001184 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
1185 (GRC_LCLCTRL_GPIO_OE1 |
1186 GRC_LCLCTRL_GPIO_OUTPUT1), 100);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001187 }
1188 }
1189}
1190
Matt Carlsone8f3f6c2007-07-11 19:47:55 -07001191static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed)
1192{
1193 if (tp->led_ctrl == LED_CTRL_MODE_PHY_2)
1194 return 1;
1195 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411) {
1196 if (speed != SPEED_10)
1197 return 1;
1198 } else if (speed == SPEED_10)
1199 return 1;
1200
1201 return 0;
1202}
1203
Linus Torvalds1da177e2005-04-16 15:20:36 -07001204static int tg3_setup_phy(struct tg3 *, int);
1205
1206#define RESET_KIND_SHUTDOWN 0
1207#define RESET_KIND_INIT 1
1208#define RESET_KIND_SUSPEND 2
1209
1210static void tg3_write_sig_post_reset(struct tg3 *, int);
1211static int tg3_halt_cpu(struct tg3 *, u32);
Michael Chan6921d202005-12-13 21:15:53 -08001212static int tg3_nvram_lock(struct tg3 *);
1213static void tg3_nvram_unlock(struct tg3 *);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001214
Michael Chan15c3b692006-03-22 01:06:52 -08001215static void tg3_power_down_phy(struct tg3 *tp)
1216{
Michael Chan51297242007-02-13 12:17:57 -08001217 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
1218 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
1219 u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);
1220 u32 serdes_cfg = tr32(MAC_SERDES_CFG);
1221
1222 sg_dig_ctrl |=
1223 SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;
1224 tw32(SG_DIG_CTRL, sg_dig_ctrl);
1225 tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));
1226 }
Michael Chan3f7045c2006-09-27 16:02:29 -07001227 return;
Michael Chan51297242007-02-13 12:17:57 -08001228 }
Michael Chan3f7045c2006-09-27 16:02:29 -07001229
Michael Chan60189dd2006-12-17 17:08:07 -08001230 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1231 u32 val;
1232
1233 tg3_bmcr_reset(tp);
1234 val = tr32(GRC_MISC_CFG);
1235 tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
1236 udelay(40);
1237 return;
1238 } else {
Michael Chan715116a2006-09-27 16:09:25 -07001239 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1240 MII_TG3_EXT_CTRL_FORCE_LED_OFF);
1241 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
1242 }
Michael Chan3f7045c2006-09-27 16:02:29 -07001243
Michael Chan15c3b692006-03-22 01:06:52 -08001244 /* The PHY should not be powered down on some chips because
1245 * of bugs.
1246 */
1247 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1248 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1249 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
1250 (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)))
1251 return;
1252 tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
1253}
1254
Michael Chanbc1c7562006-03-20 17:48:03 -08001255static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001256{
1257 u32 misc_host_ctrl;
1258 u16 power_control, power_caps;
1259 int pm = tp->pm_cap;
1260
1261 /* Make sure register accesses (indirect or otherwise)
1262 * will function correctly.
1263 */
1264 pci_write_config_dword(tp->pdev,
1265 TG3PCI_MISC_HOST_CTRL,
1266 tp->misc_host_ctrl);
1267
1268 pci_read_config_word(tp->pdev,
1269 pm + PCI_PM_CTRL,
1270 &power_control);
1271 power_control |= PCI_PM_CTRL_PME_STATUS;
1272 power_control &= ~(PCI_PM_CTRL_STATE_MASK);
1273 switch (state) {
Michael Chanbc1c7562006-03-20 17:48:03 -08001274 case PCI_D0:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001275 power_control |= 0;
1276 pci_write_config_word(tp->pdev,
1277 pm + PCI_PM_CTRL,
1278 power_control);
Michael Chan8c6bda12005-04-21 17:09:08 -07001279 udelay(100); /* Delay after power state change */
1280
Michael Chan9d26e212006-12-07 00:21:14 -08001281 /* Switch out of Vaux if it is a NIC */
1282 if (tp->tg3_flags2 & TG3_FLG2_IS_NIC)
Michael Chanb401e9e2005-12-19 16:27:04 -08001283 tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001284
1285 return 0;
1286
Michael Chanbc1c7562006-03-20 17:48:03 -08001287 case PCI_D1:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001288 power_control |= 1;
1289 break;
1290
Michael Chanbc1c7562006-03-20 17:48:03 -08001291 case PCI_D2:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001292 power_control |= 2;
1293 break;
1294
Michael Chanbc1c7562006-03-20 17:48:03 -08001295 case PCI_D3hot:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001296 power_control |= 3;
1297 break;
1298
1299 default:
1300 printk(KERN_WARNING PFX "%s: Invalid power state (%d) "
1301 "requested.\n",
1302 tp->dev->name, state);
1303 return -EINVAL;
1304 };
1305
1306 power_control |= PCI_PM_CTRL_PME_ENABLE;
1307
1308 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
1309 tw32(TG3PCI_MISC_HOST_CTRL,
1310 misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT);
1311
1312 if (tp->link_config.phy_is_low_power == 0) {
1313 tp->link_config.phy_is_low_power = 1;
1314 tp->link_config.orig_speed = tp->link_config.speed;
1315 tp->link_config.orig_duplex = tp->link_config.duplex;
1316 tp->link_config.orig_autoneg = tp->link_config.autoneg;
1317 }
1318
Michael Chan747e8f82005-07-25 12:33:22 -07001319 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001320 tp->link_config.speed = SPEED_10;
1321 tp->link_config.duplex = DUPLEX_HALF;
1322 tp->link_config.autoneg = AUTONEG_ENABLE;
1323 tg3_setup_phy(tp, 0);
1324 }
1325
Michael Chanb5d37722006-09-27 16:06:21 -07001326 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1327 u32 val;
1328
1329 val = tr32(GRC_VCPU_EXT_CTRL);
1330 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL);
1331 } else if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
Michael Chan6921d202005-12-13 21:15:53 -08001332 int i;
1333 u32 val;
1334
1335 for (i = 0; i < 200; i++) {
1336 tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
1337 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
1338 break;
1339 msleep(1);
1340 }
1341 }
Gary Zambranoa85feb82007-05-05 11:52:19 -07001342 if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
1343 tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
1344 WOL_DRV_STATE_SHUTDOWN |
1345 WOL_DRV_WOL |
1346 WOL_SET_MAGIC_PKT);
Michael Chan6921d202005-12-13 21:15:53 -08001347
Linus Torvalds1da177e2005-04-16 15:20:36 -07001348 pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
1349
1350 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
1351 u32 mac_mode;
1352
1353 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
1354 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a);
1355 udelay(40);
1356
Michael Chan3f7045c2006-09-27 16:02:29 -07001357 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
1358 mac_mode = MAC_MODE_PORT_MODE_GMII;
1359 else
1360 mac_mode = MAC_MODE_PORT_MODE_MII;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001361
Matt Carlsone8f3f6c2007-07-11 19:47:55 -07001362 mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY;
1363 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
1364 ASIC_REV_5700) {
1365 u32 speed = (tp->tg3_flags &
1366 TG3_FLAG_WOL_SPEED_100MB) ?
1367 SPEED_100 : SPEED_10;
1368 if (tg3_5700_link_polarity(tp, speed))
1369 mac_mode |= MAC_MODE_LINK_POLARITY;
1370 else
1371 mac_mode &= ~MAC_MODE_LINK_POLARITY;
1372 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001373 } else {
1374 mac_mode = MAC_MODE_PORT_MODE_TBI;
1375 }
1376
John W. Linvillecbf46852005-04-21 17:01:29 -07001377 if (!(tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001378 tw32(MAC_LED_CTRL, tp->led_ctrl);
1379
1380 if (((power_caps & PCI_PM_CAP_PME_D3cold) &&
1381 (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)))
1382 mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE;
1383
1384 tw32_f(MAC_MODE, mac_mode);
1385 udelay(100);
1386
1387 tw32_f(MAC_RX_MODE, RX_MODE_ENABLE);
1388 udelay(10);
1389 }
1390
1391 if (!(tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB) &&
1392 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1393 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
1394 u32 base_val;
1395
1396 base_val = tp->pci_clock_ctrl;
1397 base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
1398 CLOCK_CTRL_TXCLK_DISABLE);
1399
Michael Chanb401e9e2005-12-19 16:27:04 -08001400 tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
1401 CLOCK_CTRL_PWRDOWN_PLL133, 40);
Michael Chand7b0a852007-02-13 12:17:38 -08001402 } else if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
1403 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
Michael Chan4cf78e42005-07-25 12:29:19 -07001404 /* do nothing */
Michael Chan85e94ce2005-04-21 17:05:28 -07001405 } else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
Linus Torvalds1da177e2005-04-16 15:20:36 -07001406 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) {
1407 u32 newbits1, newbits2;
1408
1409 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1410 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1411 newbits1 = (CLOCK_CTRL_RXCLK_DISABLE |
1412 CLOCK_CTRL_TXCLK_DISABLE |
1413 CLOCK_CTRL_ALTCLK);
1414 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1415 } else if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
1416 newbits1 = CLOCK_CTRL_625_CORE;
1417 newbits2 = newbits1 | CLOCK_CTRL_ALTCLK;
1418 } else {
1419 newbits1 = CLOCK_CTRL_ALTCLK;
1420 newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
1421 }
1422
Michael Chanb401e9e2005-12-19 16:27:04 -08001423 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
1424 40);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001425
Michael Chanb401e9e2005-12-19 16:27:04 -08001426 tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
1427 40);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001428
1429 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
1430 u32 newbits3;
1431
1432 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1433 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1434 newbits3 = (CLOCK_CTRL_RXCLK_DISABLE |
1435 CLOCK_CTRL_TXCLK_DISABLE |
1436 CLOCK_CTRL_44MHZ_CORE);
1437 } else {
1438 newbits3 = CLOCK_CTRL_44MHZ_CORE;
1439 }
1440
Michael Chanb401e9e2005-12-19 16:27:04 -08001441 tw32_wait_f(TG3PCI_CLOCK_CTRL,
1442 tp->pci_clock_ctrl | newbits3, 40);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001443 }
1444 }
1445
Michael Chan6921d202005-12-13 21:15:53 -08001446 if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
Michael Chan3f7045c2006-09-27 16:02:29 -07001447 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
1448 tg3_power_down_phy(tp);
Michael Chan6921d202005-12-13 21:15:53 -08001449
Linus Torvalds1da177e2005-04-16 15:20:36 -07001450 tg3_frob_aux_power(tp);
1451
1452 /* Workaround for unstable PLL clock */
1453 if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) ||
1454 (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) {
1455 u32 val = tr32(0x7d00);
1456
1457 val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
1458 tw32(0x7d00, val);
Michael Chan6921d202005-12-13 21:15:53 -08001459 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
Michael Chanec41c7d2006-01-17 02:40:55 -08001460 int err;
1461
1462 err = tg3_nvram_lock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001463 tg3_halt_cpu(tp, RX_CPU_BASE);
Michael Chanec41c7d2006-01-17 02:40:55 -08001464 if (!err)
1465 tg3_nvram_unlock(tp);
Michael Chan6921d202005-12-13 21:15:53 -08001466 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001467 }
1468
Michael Chanbbadf502006-04-06 21:46:34 -07001469 tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
1470
Linus Torvalds1da177e2005-04-16 15:20:36 -07001471 /* Finally, set the new power state. */
1472 pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
Michael Chan8c6bda12005-04-21 17:09:08 -07001473 udelay(100); /* Delay after power state change */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001474
Linus Torvalds1da177e2005-04-16 15:20:36 -07001475 return 0;
1476}
1477
1478static void tg3_link_report(struct tg3 *tp)
1479{
1480 if (!netif_carrier_ok(tp->dev)) {
Michael Chan9f88f292006-12-07 00:22:54 -08001481 if (netif_msg_link(tp))
1482 printk(KERN_INFO PFX "%s: Link is down.\n",
1483 tp->dev->name);
1484 } else if (netif_msg_link(tp)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001485 printk(KERN_INFO PFX "%s: Link is up at %d Mbps, %s duplex.\n",
1486 tp->dev->name,
1487 (tp->link_config.active_speed == SPEED_1000 ?
1488 1000 :
1489 (tp->link_config.active_speed == SPEED_100 ?
1490 100 : 10)),
1491 (tp->link_config.active_duplex == DUPLEX_FULL ?
1492 "full" : "half"));
1493
1494 printk(KERN_INFO PFX "%s: Flow control is %s for TX and "
1495 "%s for RX.\n",
1496 tp->dev->name,
1497 (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "on" : "off",
1498 (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "on" : "off");
1499 }
1500}
1501
1502static void tg3_setup_flow_control(struct tg3 *tp, u32 local_adv, u32 remote_adv)
1503{
1504 u32 new_tg3_flags = 0;
1505 u32 old_rx_mode = tp->rx_mode;
1506 u32 old_tx_mode = tp->tx_mode;
1507
1508 if (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) {
Michael Chan747e8f82005-07-25 12:33:22 -07001509
1510 /* Convert 1000BaseX flow control bits to 1000BaseT
1511 * bits before resolving flow control.
1512 */
1513 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
1514 local_adv &= ~(ADVERTISE_PAUSE_CAP |
1515 ADVERTISE_PAUSE_ASYM);
1516 remote_adv &= ~(LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
1517
1518 if (local_adv & ADVERTISE_1000XPAUSE)
1519 local_adv |= ADVERTISE_PAUSE_CAP;
1520 if (local_adv & ADVERTISE_1000XPSE_ASYM)
1521 local_adv |= ADVERTISE_PAUSE_ASYM;
1522 if (remote_adv & LPA_1000XPAUSE)
1523 remote_adv |= LPA_PAUSE_CAP;
1524 if (remote_adv & LPA_1000XPAUSE_ASYM)
1525 remote_adv |= LPA_PAUSE_ASYM;
1526 }
1527
Linus Torvalds1da177e2005-04-16 15:20:36 -07001528 if (local_adv & ADVERTISE_PAUSE_CAP) {
1529 if (local_adv & ADVERTISE_PAUSE_ASYM) {
1530 if (remote_adv & LPA_PAUSE_CAP)
1531 new_tg3_flags |=
1532 (TG3_FLAG_RX_PAUSE |
1533 TG3_FLAG_TX_PAUSE);
1534 else if (remote_adv & LPA_PAUSE_ASYM)
1535 new_tg3_flags |=
1536 (TG3_FLAG_RX_PAUSE);
1537 } else {
1538 if (remote_adv & LPA_PAUSE_CAP)
1539 new_tg3_flags |=
1540 (TG3_FLAG_RX_PAUSE |
1541 TG3_FLAG_TX_PAUSE);
1542 }
1543 } else if (local_adv & ADVERTISE_PAUSE_ASYM) {
1544 if ((remote_adv & LPA_PAUSE_CAP) &&
1545 (remote_adv & LPA_PAUSE_ASYM))
1546 new_tg3_flags |= TG3_FLAG_TX_PAUSE;
1547 }
1548
1549 tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE);
1550 tp->tg3_flags |= new_tg3_flags;
1551 } else {
1552 new_tg3_flags = tp->tg3_flags;
1553 }
1554
1555 if (new_tg3_flags & TG3_FLAG_RX_PAUSE)
1556 tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE;
1557 else
1558 tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE;
1559
1560 if (old_rx_mode != tp->rx_mode) {
1561 tw32_f(MAC_RX_MODE, tp->rx_mode);
1562 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04001563
Linus Torvalds1da177e2005-04-16 15:20:36 -07001564 if (new_tg3_flags & TG3_FLAG_TX_PAUSE)
1565 tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE;
1566 else
1567 tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE;
1568
1569 if (old_tx_mode != tp->tx_mode) {
1570 tw32_f(MAC_TX_MODE, tp->tx_mode);
1571 }
1572}
1573
1574static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
1575{
1576 switch (val & MII_TG3_AUX_STAT_SPDMASK) {
1577 case MII_TG3_AUX_STAT_10HALF:
1578 *speed = SPEED_10;
1579 *duplex = DUPLEX_HALF;
1580 break;
1581
1582 case MII_TG3_AUX_STAT_10FULL:
1583 *speed = SPEED_10;
1584 *duplex = DUPLEX_FULL;
1585 break;
1586
1587 case MII_TG3_AUX_STAT_100HALF:
1588 *speed = SPEED_100;
1589 *duplex = DUPLEX_HALF;
1590 break;
1591
1592 case MII_TG3_AUX_STAT_100FULL:
1593 *speed = SPEED_100;
1594 *duplex = DUPLEX_FULL;
1595 break;
1596
1597 case MII_TG3_AUX_STAT_1000HALF:
1598 *speed = SPEED_1000;
1599 *duplex = DUPLEX_HALF;
1600 break;
1601
1602 case MII_TG3_AUX_STAT_1000FULL:
1603 *speed = SPEED_1000;
1604 *duplex = DUPLEX_FULL;
1605 break;
1606
1607 default:
Michael Chan715116a2006-09-27 16:09:25 -07001608 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
1609 *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 :
1610 SPEED_10;
1611 *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL :
1612 DUPLEX_HALF;
1613 break;
1614 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001615 *speed = SPEED_INVALID;
1616 *duplex = DUPLEX_INVALID;
1617 break;
1618 };
1619}
1620
1621static void tg3_phy_copper_begin(struct tg3 *tp)
1622{
1623 u32 new_adv;
1624 int i;
1625
1626 if (tp->link_config.phy_is_low_power) {
1627 /* Entering low power mode. Disable gigabit and
1628 * 100baseT advertisements.
1629 */
1630 tg3_writephy(tp, MII_TG3_CTRL, 0);
1631
1632 new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL |
1633 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1634 if (tp->tg3_flags & TG3_FLAG_WOL_SPEED_100MB)
1635 new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL);
1636
1637 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1638 } else if (tp->link_config.speed == SPEED_INVALID) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001639 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
1640 tp->link_config.advertising &=
1641 ~(ADVERTISED_1000baseT_Half |
1642 ADVERTISED_1000baseT_Full);
1643
1644 new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1645 if (tp->link_config.advertising & ADVERTISED_10baseT_Half)
1646 new_adv |= ADVERTISE_10HALF;
1647 if (tp->link_config.advertising & ADVERTISED_10baseT_Full)
1648 new_adv |= ADVERTISE_10FULL;
1649 if (tp->link_config.advertising & ADVERTISED_100baseT_Half)
1650 new_adv |= ADVERTISE_100HALF;
1651 if (tp->link_config.advertising & ADVERTISED_100baseT_Full)
1652 new_adv |= ADVERTISE_100FULL;
1653 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1654
1655 if (tp->link_config.advertising &
1656 (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) {
1657 new_adv = 0;
1658 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
1659 new_adv |= MII_TG3_CTRL_ADV_1000_HALF;
1660 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
1661 new_adv |= MII_TG3_CTRL_ADV_1000_FULL;
1662 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY) &&
1663 (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1664 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0))
1665 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1666 MII_TG3_CTRL_ENABLE_AS_MASTER);
1667 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1668 } else {
1669 tg3_writephy(tp, MII_TG3_CTRL, 0);
1670 }
1671 } else {
1672 /* Asking for a specific link mode. */
1673 if (tp->link_config.speed == SPEED_1000) {
1674 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1675 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1676
1677 if (tp->link_config.duplex == DUPLEX_FULL)
1678 new_adv = MII_TG3_CTRL_ADV_1000_FULL;
1679 else
1680 new_adv = MII_TG3_CTRL_ADV_1000_HALF;
1681 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1682 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
1683 new_adv |= (MII_TG3_CTRL_AS_MASTER |
1684 MII_TG3_CTRL_ENABLE_AS_MASTER);
1685 tg3_writephy(tp, MII_TG3_CTRL, new_adv);
1686 } else {
1687 tg3_writephy(tp, MII_TG3_CTRL, 0);
1688
1689 new_adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
1690 if (tp->link_config.speed == SPEED_100) {
1691 if (tp->link_config.duplex == DUPLEX_FULL)
1692 new_adv |= ADVERTISE_100FULL;
1693 else
1694 new_adv |= ADVERTISE_100HALF;
1695 } else {
1696 if (tp->link_config.duplex == DUPLEX_FULL)
1697 new_adv |= ADVERTISE_10FULL;
1698 else
1699 new_adv |= ADVERTISE_10HALF;
1700 }
1701 tg3_writephy(tp, MII_ADVERTISE, new_adv);
1702 }
1703 }
1704
1705 if (tp->link_config.autoneg == AUTONEG_DISABLE &&
1706 tp->link_config.speed != SPEED_INVALID) {
1707 u32 bmcr, orig_bmcr;
1708
1709 tp->link_config.active_speed = tp->link_config.speed;
1710 tp->link_config.active_duplex = tp->link_config.duplex;
1711
1712 bmcr = 0;
1713 switch (tp->link_config.speed) {
1714 default:
1715 case SPEED_10:
1716 break;
1717
1718 case SPEED_100:
1719 bmcr |= BMCR_SPEED100;
1720 break;
1721
1722 case SPEED_1000:
1723 bmcr |= TG3_BMCR_SPEED1000;
1724 break;
1725 };
1726
1727 if (tp->link_config.duplex == DUPLEX_FULL)
1728 bmcr |= BMCR_FULLDPLX;
1729
1730 if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) &&
1731 (bmcr != orig_bmcr)) {
1732 tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK);
1733 for (i = 0; i < 1500; i++) {
1734 u32 tmp;
1735
1736 udelay(10);
1737 if (tg3_readphy(tp, MII_BMSR, &tmp) ||
1738 tg3_readphy(tp, MII_BMSR, &tmp))
1739 continue;
1740 if (!(tmp & BMSR_LSTATUS)) {
1741 udelay(40);
1742 break;
1743 }
1744 }
1745 tg3_writephy(tp, MII_BMCR, bmcr);
1746 udelay(40);
1747 }
1748 } else {
1749 tg3_writephy(tp, MII_BMCR,
1750 BMCR_ANENABLE | BMCR_ANRESTART);
1751 }
1752}
1753
1754static int tg3_init_5401phy_dsp(struct tg3 *tp)
1755{
1756 int err;
1757
1758 /* Turn off tap power management. */
1759 /* Set Extended packet length bit */
1760 err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4c20);
1761
1762 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0012);
1763 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1804);
1764
1765 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x0013);
1766 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x1204);
1767
1768 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1769 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0132);
1770
1771 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8006);
1772 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0232);
1773
1774 err |= tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f);
1775 err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0a20);
1776
1777 udelay(40);
1778
1779 return err;
1780}
1781
Michael Chan3600d912006-12-07 00:21:48 -08001782static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001783{
Michael Chan3600d912006-12-07 00:21:48 -08001784 u32 adv_reg, all_mask = 0;
1785
1786 if (mask & ADVERTISED_10baseT_Half)
1787 all_mask |= ADVERTISE_10HALF;
1788 if (mask & ADVERTISED_10baseT_Full)
1789 all_mask |= ADVERTISE_10FULL;
1790 if (mask & ADVERTISED_100baseT_Half)
1791 all_mask |= ADVERTISE_100HALF;
1792 if (mask & ADVERTISED_100baseT_Full)
1793 all_mask |= ADVERTISE_100FULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001794
1795 if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg))
1796 return 0;
1797
Linus Torvalds1da177e2005-04-16 15:20:36 -07001798 if ((adv_reg & all_mask) != all_mask)
1799 return 0;
1800 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
1801 u32 tg3_ctrl;
1802
Michael Chan3600d912006-12-07 00:21:48 -08001803 all_mask = 0;
1804 if (mask & ADVERTISED_1000baseT_Half)
1805 all_mask |= ADVERTISE_1000HALF;
1806 if (mask & ADVERTISED_1000baseT_Full)
1807 all_mask |= ADVERTISE_1000FULL;
1808
Linus Torvalds1da177e2005-04-16 15:20:36 -07001809 if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl))
1810 return 0;
1811
Linus Torvalds1da177e2005-04-16 15:20:36 -07001812 if ((tg3_ctrl & all_mask) != all_mask)
1813 return 0;
1814 }
1815 return 1;
1816}
1817
1818static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
1819{
1820 int current_link_up;
1821 u32 bmsr, dummy;
1822 u16 current_speed;
1823 u8 current_duplex;
1824 int i, err;
1825
1826 tw32(MAC_EVENT, 0);
1827
1828 tw32_f(MAC_STATUS,
1829 (MAC_STATUS_SYNC_CHANGED |
1830 MAC_STATUS_CFG_CHANGED |
1831 MAC_STATUS_MI_COMPLETION |
1832 MAC_STATUS_LNKSTATE_CHANGED));
1833 udelay(40);
1834
1835 tp->mi_mode = MAC_MI_MODE_BASE;
1836 tw32_f(MAC_MI_MODE, tp->mi_mode);
1837 udelay(80);
1838
1839 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02);
1840
1841 /* Some third-party PHYs need to be reset on link going
1842 * down.
1843 */
1844 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
1845 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
1846 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
1847 netif_carrier_ok(tp->dev)) {
1848 tg3_readphy(tp, MII_BMSR, &bmsr);
1849 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1850 !(bmsr & BMSR_LSTATUS))
1851 force_reset = 1;
1852 }
1853 if (force_reset)
1854 tg3_phy_reset(tp);
1855
1856 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
1857 tg3_readphy(tp, MII_BMSR, &bmsr);
1858 if (tg3_readphy(tp, MII_BMSR, &bmsr) ||
1859 !(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE))
1860 bmsr = 0;
1861
1862 if (!(bmsr & BMSR_LSTATUS)) {
1863 err = tg3_init_5401phy_dsp(tp);
1864 if (err)
1865 return err;
1866
1867 tg3_readphy(tp, MII_BMSR, &bmsr);
1868 for (i = 0; i < 1000; i++) {
1869 udelay(10);
1870 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1871 (bmsr & BMSR_LSTATUS)) {
1872 udelay(40);
1873 break;
1874 }
1875 }
1876
1877 if ((tp->phy_id & PHY_ID_REV_MASK) == PHY_REV_BCM5401_B0 &&
1878 !(bmsr & BMSR_LSTATUS) &&
1879 tp->link_config.active_speed == SPEED_1000) {
1880 err = tg3_phy_reset(tp);
1881 if (!err)
1882 err = tg3_init_5401phy_dsp(tp);
1883 if (err)
1884 return err;
1885 }
1886 }
1887 } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
1888 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) {
1889 /* 5701 {A0,B0} CRC bug workaround */
1890 tg3_writephy(tp, 0x15, 0x0a75);
1891 tg3_writephy(tp, 0x1c, 0x8c68);
1892 tg3_writephy(tp, 0x1c, 0x8d68);
1893 tg3_writephy(tp, 0x1c, 0x8c68);
1894 }
1895
1896 /* Clear pending interrupts... */
1897 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1898 tg3_readphy(tp, MII_TG3_ISTAT, &dummy);
1899
1900 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT)
1901 tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG);
Michael Chan715116a2006-09-27 16:09:25 -07001902 else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001903 tg3_writephy(tp, MII_TG3_IMASK, ~0);
1904
1905 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
1906 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
1907 if (tp->led_ctrl == LED_CTRL_MODE_PHY_1)
1908 tg3_writephy(tp, MII_TG3_EXT_CTRL,
1909 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
1910 else
1911 tg3_writephy(tp, MII_TG3_EXT_CTRL, 0);
1912 }
1913
1914 current_link_up = 0;
1915 current_speed = SPEED_INVALID;
1916 current_duplex = DUPLEX_INVALID;
1917
1918 if (tp->tg3_flags2 & TG3_FLG2_CAPACITIVE_COUPLING) {
1919 u32 val;
1920
1921 tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4007);
1922 tg3_readphy(tp, MII_TG3_AUX_CTRL, &val);
1923 if (!(val & (1 << 10))) {
1924 val |= (1 << 10);
1925 tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
1926 goto relink;
1927 }
1928 }
1929
1930 bmsr = 0;
1931 for (i = 0; i < 100; i++) {
1932 tg3_readphy(tp, MII_BMSR, &bmsr);
1933 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
1934 (bmsr & BMSR_LSTATUS))
1935 break;
1936 udelay(40);
1937 }
1938
1939 if (bmsr & BMSR_LSTATUS) {
1940 u32 aux_stat, bmcr;
1941
1942 tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat);
1943 for (i = 0; i < 2000; i++) {
1944 udelay(10);
1945 if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) &&
1946 aux_stat)
1947 break;
1948 }
1949
1950 tg3_aux_stat_to_speed_duplex(tp, aux_stat,
1951 &current_speed,
1952 &current_duplex);
1953
1954 bmcr = 0;
1955 for (i = 0; i < 200; i++) {
1956 tg3_readphy(tp, MII_BMCR, &bmcr);
1957 if (tg3_readphy(tp, MII_BMCR, &bmcr))
1958 continue;
1959 if (bmcr && bmcr != 0x7fff)
1960 break;
1961 udelay(10);
1962 }
1963
1964 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
1965 if (bmcr & BMCR_ANENABLE) {
1966 current_link_up = 1;
1967
1968 /* Force autoneg restart if we are exiting
1969 * low power mode.
1970 */
Michael Chan3600d912006-12-07 00:21:48 -08001971 if (!tg3_copper_is_advertising_all(tp,
1972 tp->link_config.advertising))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001973 current_link_up = 0;
1974 } else {
1975 current_link_up = 0;
1976 }
1977 } else {
1978 if (!(bmcr & BMCR_ANENABLE) &&
1979 tp->link_config.speed == current_speed &&
1980 tp->link_config.duplex == current_duplex) {
1981 current_link_up = 1;
1982 } else {
1983 current_link_up = 0;
1984 }
1985 }
1986
1987 tp->link_config.active_speed = current_speed;
1988 tp->link_config.active_duplex = current_duplex;
1989 }
1990
1991 if (current_link_up == 1 &&
1992 (tp->link_config.active_duplex == DUPLEX_FULL) &&
1993 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
1994 u32 local_adv, remote_adv;
1995
1996 if (tg3_readphy(tp, MII_ADVERTISE, &local_adv))
1997 local_adv = 0;
1998 local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
1999
2000 if (tg3_readphy(tp, MII_LPA, &remote_adv))
2001 remote_adv = 0;
2002
2003 remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
2004
2005 /* If we are not advertising full pause capability,
2006 * something is wrong. Bring the link down and reconfigure.
2007 */
2008 if (local_adv != ADVERTISE_PAUSE_CAP) {
2009 current_link_up = 0;
2010 } else {
2011 tg3_setup_flow_control(tp, local_adv, remote_adv);
2012 }
2013 }
2014relink:
Michael Chan6921d202005-12-13 21:15:53 -08002015 if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002016 u32 tmp;
2017
2018 tg3_phy_copper_begin(tp);
2019
2020 tg3_readphy(tp, MII_BMSR, &tmp);
2021 if (!tg3_readphy(tp, MII_BMSR, &tmp) &&
2022 (tmp & BMSR_LSTATUS))
2023 current_link_up = 1;
2024 }
2025
2026 tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK;
2027 if (current_link_up == 1) {
2028 if (tp->link_config.active_speed == SPEED_100 ||
2029 tp->link_config.active_speed == SPEED_10)
2030 tp->mac_mode |= MAC_MODE_PORT_MODE_MII;
2031 else
2032 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2033 } else
2034 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2035
2036 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2037 if (tp->link_config.active_duplex == DUPLEX_HALF)
2038 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2039
Linus Torvalds1da177e2005-04-16 15:20:36 -07002040 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
Matt Carlsone8f3f6c2007-07-11 19:47:55 -07002041 if (current_link_up == 1 &&
2042 tg3_5700_link_polarity(tp, tp->link_config.active_speed))
Linus Torvalds1da177e2005-04-16 15:20:36 -07002043 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
Matt Carlsone8f3f6c2007-07-11 19:47:55 -07002044 else
2045 tp->mac_mode &= ~MAC_MODE_LINK_POLARITY;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002046 }
2047
2048 /* ??? Without this setting Netgear GA302T PHY does not
2049 * ??? send/receive packets...
2050 */
2051 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 &&
2052 tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) {
2053 tp->mi_mode |= MAC_MI_MODE_AUTO_POLL;
2054 tw32_f(MAC_MI_MODE, tp->mi_mode);
2055 udelay(80);
2056 }
2057
2058 tw32_f(MAC_MODE, tp->mac_mode);
2059 udelay(40);
2060
2061 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
2062 /* Polled via timer. */
2063 tw32_f(MAC_EVENT, 0);
2064 } else {
2065 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2066 }
2067 udelay(40);
2068
2069 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 &&
2070 current_link_up == 1 &&
2071 tp->link_config.active_speed == SPEED_1000 &&
2072 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ||
2073 (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) {
2074 udelay(120);
2075 tw32_f(MAC_STATUS,
2076 (MAC_STATUS_SYNC_CHANGED |
2077 MAC_STATUS_CFG_CHANGED));
2078 udelay(40);
2079 tg3_write_mem(tp,
2080 NIC_SRAM_FIRMWARE_MBOX,
2081 NIC_SRAM_FIRMWARE_MBOX_MAGIC2);
2082 }
2083
2084 if (current_link_up != netif_carrier_ok(tp->dev)) {
2085 if (current_link_up)
2086 netif_carrier_on(tp->dev);
2087 else
2088 netif_carrier_off(tp->dev);
2089 tg3_link_report(tp);
2090 }
2091
2092 return 0;
2093}
2094
2095struct tg3_fiber_aneginfo {
2096 int state;
2097#define ANEG_STATE_UNKNOWN 0
2098#define ANEG_STATE_AN_ENABLE 1
2099#define ANEG_STATE_RESTART_INIT 2
2100#define ANEG_STATE_RESTART 3
2101#define ANEG_STATE_DISABLE_LINK_OK 4
2102#define ANEG_STATE_ABILITY_DETECT_INIT 5
2103#define ANEG_STATE_ABILITY_DETECT 6
2104#define ANEG_STATE_ACK_DETECT_INIT 7
2105#define ANEG_STATE_ACK_DETECT 8
2106#define ANEG_STATE_COMPLETE_ACK_INIT 9
2107#define ANEG_STATE_COMPLETE_ACK 10
2108#define ANEG_STATE_IDLE_DETECT_INIT 11
2109#define ANEG_STATE_IDLE_DETECT 12
2110#define ANEG_STATE_LINK_OK 13
2111#define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14
2112#define ANEG_STATE_NEXT_PAGE_WAIT 15
2113
2114 u32 flags;
2115#define MR_AN_ENABLE 0x00000001
2116#define MR_RESTART_AN 0x00000002
2117#define MR_AN_COMPLETE 0x00000004
2118#define MR_PAGE_RX 0x00000008
2119#define MR_NP_LOADED 0x00000010
2120#define MR_TOGGLE_TX 0x00000020
2121#define MR_LP_ADV_FULL_DUPLEX 0x00000040
2122#define MR_LP_ADV_HALF_DUPLEX 0x00000080
2123#define MR_LP_ADV_SYM_PAUSE 0x00000100
2124#define MR_LP_ADV_ASYM_PAUSE 0x00000200
2125#define MR_LP_ADV_REMOTE_FAULT1 0x00000400
2126#define MR_LP_ADV_REMOTE_FAULT2 0x00000800
2127#define MR_LP_ADV_NEXT_PAGE 0x00001000
2128#define MR_TOGGLE_RX 0x00002000
2129#define MR_NP_RX 0x00004000
2130
2131#define MR_LINK_OK 0x80000000
2132
2133 unsigned long link_time, cur_time;
2134
2135 u32 ability_match_cfg;
2136 int ability_match_count;
2137
2138 char ability_match, idle_match, ack_match;
2139
2140 u32 txconfig, rxconfig;
2141#define ANEG_CFG_NP 0x00000080
2142#define ANEG_CFG_ACK 0x00000040
2143#define ANEG_CFG_RF2 0x00000020
2144#define ANEG_CFG_RF1 0x00000010
2145#define ANEG_CFG_PS2 0x00000001
2146#define ANEG_CFG_PS1 0x00008000
2147#define ANEG_CFG_HD 0x00004000
2148#define ANEG_CFG_FD 0x00002000
2149#define ANEG_CFG_INVAL 0x00001f06
2150
2151};
2152#define ANEG_OK 0
2153#define ANEG_DONE 1
2154#define ANEG_TIMER_ENAB 2
2155#define ANEG_FAILED -1
2156
2157#define ANEG_STATE_SETTLE_TIME 10000
2158
2159static int tg3_fiber_aneg_smachine(struct tg3 *tp,
2160 struct tg3_fiber_aneginfo *ap)
2161{
2162 unsigned long delta;
2163 u32 rx_cfg_reg;
2164 int ret;
2165
2166 if (ap->state == ANEG_STATE_UNKNOWN) {
2167 ap->rxconfig = 0;
2168 ap->link_time = 0;
2169 ap->cur_time = 0;
2170 ap->ability_match_cfg = 0;
2171 ap->ability_match_count = 0;
2172 ap->ability_match = 0;
2173 ap->idle_match = 0;
2174 ap->ack_match = 0;
2175 }
2176 ap->cur_time++;
2177
2178 if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) {
2179 rx_cfg_reg = tr32(MAC_RX_AUTO_NEG);
2180
2181 if (rx_cfg_reg != ap->ability_match_cfg) {
2182 ap->ability_match_cfg = rx_cfg_reg;
2183 ap->ability_match = 0;
2184 ap->ability_match_count = 0;
2185 } else {
2186 if (++ap->ability_match_count > 1) {
2187 ap->ability_match = 1;
2188 ap->ability_match_cfg = rx_cfg_reg;
2189 }
2190 }
2191 if (rx_cfg_reg & ANEG_CFG_ACK)
2192 ap->ack_match = 1;
2193 else
2194 ap->ack_match = 0;
2195
2196 ap->idle_match = 0;
2197 } else {
2198 ap->idle_match = 1;
2199 ap->ability_match_cfg = 0;
2200 ap->ability_match_count = 0;
2201 ap->ability_match = 0;
2202 ap->ack_match = 0;
2203
2204 rx_cfg_reg = 0;
2205 }
2206
2207 ap->rxconfig = rx_cfg_reg;
2208 ret = ANEG_OK;
2209
2210 switch(ap->state) {
2211 case ANEG_STATE_UNKNOWN:
2212 if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN))
2213 ap->state = ANEG_STATE_AN_ENABLE;
2214
2215 /* fallthru */
2216 case ANEG_STATE_AN_ENABLE:
2217 ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX);
2218 if (ap->flags & MR_AN_ENABLE) {
2219 ap->link_time = 0;
2220 ap->cur_time = 0;
2221 ap->ability_match_cfg = 0;
2222 ap->ability_match_count = 0;
2223 ap->ability_match = 0;
2224 ap->idle_match = 0;
2225 ap->ack_match = 0;
2226
2227 ap->state = ANEG_STATE_RESTART_INIT;
2228 } else {
2229 ap->state = ANEG_STATE_DISABLE_LINK_OK;
2230 }
2231 break;
2232
2233 case ANEG_STATE_RESTART_INIT:
2234 ap->link_time = ap->cur_time;
2235 ap->flags &= ~(MR_NP_LOADED);
2236 ap->txconfig = 0;
2237 tw32(MAC_TX_AUTO_NEG, 0);
2238 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2239 tw32_f(MAC_MODE, tp->mac_mode);
2240 udelay(40);
2241
2242 ret = ANEG_TIMER_ENAB;
2243 ap->state = ANEG_STATE_RESTART;
2244
2245 /* fallthru */
2246 case ANEG_STATE_RESTART:
2247 delta = ap->cur_time - ap->link_time;
2248 if (delta > ANEG_STATE_SETTLE_TIME) {
2249 ap->state = ANEG_STATE_ABILITY_DETECT_INIT;
2250 } else {
2251 ret = ANEG_TIMER_ENAB;
2252 }
2253 break;
2254
2255 case ANEG_STATE_DISABLE_LINK_OK:
2256 ret = ANEG_DONE;
2257 break;
2258
2259 case ANEG_STATE_ABILITY_DETECT_INIT:
2260 ap->flags &= ~(MR_TOGGLE_TX);
2261 ap->txconfig = (ANEG_CFG_FD | ANEG_CFG_PS1);
2262 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2263 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2264 tw32_f(MAC_MODE, tp->mac_mode);
2265 udelay(40);
2266
2267 ap->state = ANEG_STATE_ABILITY_DETECT;
2268 break;
2269
2270 case ANEG_STATE_ABILITY_DETECT:
2271 if (ap->ability_match != 0 && ap->rxconfig != 0) {
2272 ap->state = ANEG_STATE_ACK_DETECT_INIT;
2273 }
2274 break;
2275
2276 case ANEG_STATE_ACK_DETECT_INIT:
2277 ap->txconfig |= ANEG_CFG_ACK;
2278 tw32(MAC_TX_AUTO_NEG, ap->txconfig);
2279 tp->mac_mode |= MAC_MODE_SEND_CONFIGS;
2280 tw32_f(MAC_MODE, tp->mac_mode);
2281 udelay(40);
2282
2283 ap->state = ANEG_STATE_ACK_DETECT;
2284
2285 /* fallthru */
2286 case ANEG_STATE_ACK_DETECT:
2287 if (ap->ack_match != 0) {
2288 if ((ap->rxconfig & ~ANEG_CFG_ACK) ==
2289 (ap->ability_match_cfg & ~ANEG_CFG_ACK)) {
2290 ap->state = ANEG_STATE_COMPLETE_ACK_INIT;
2291 } else {
2292 ap->state = ANEG_STATE_AN_ENABLE;
2293 }
2294 } else if (ap->ability_match != 0 &&
2295 ap->rxconfig == 0) {
2296 ap->state = ANEG_STATE_AN_ENABLE;
2297 }
2298 break;
2299
2300 case ANEG_STATE_COMPLETE_ACK_INIT:
2301 if (ap->rxconfig & ANEG_CFG_INVAL) {
2302 ret = ANEG_FAILED;
2303 break;
2304 }
2305 ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX |
2306 MR_LP_ADV_HALF_DUPLEX |
2307 MR_LP_ADV_SYM_PAUSE |
2308 MR_LP_ADV_ASYM_PAUSE |
2309 MR_LP_ADV_REMOTE_FAULT1 |
2310 MR_LP_ADV_REMOTE_FAULT2 |
2311 MR_LP_ADV_NEXT_PAGE |
2312 MR_TOGGLE_RX |
2313 MR_NP_RX);
2314 if (ap->rxconfig & ANEG_CFG_FD)
2315 ap->flags |= MR_LP_ADV_FULL_DUPLEX;
2316 if (ap->rxconfig & ANEG_CFG_HD)
2317 ap->flags |= MR_LP_ADV_HALF_DUPLEX;
2318 if (ap->rxconfig & ANEG_CFG_PS1)
2319 ap->flags |= MR_LP_ADV_SYM_PAUSE;
2320 if (ap->rxconfig & ANEG_CFG_PS2)
2321 ap->flags |= MR_LP_ADV_ASYM_PAUSE;
2322 if (ap->rxconfig & ANEG_CFG_RF1)
2323 ap->flags |= MR_LP_ADV_REMOTE_FAULT1;
2324 if (ap->rxconfig & ANEG_CFG_RF2)
2325 ap->flags |= MR_LP_ADV_REMOTE_FAULT2;
2326 if (ap->rxconfig & ANEG_CFG_NP)
2327 ap->flags |= MR_LP_ADV_NEXT_PAGE;
2328
2329 ap->link_time = ap->cur_time;
2330
2331 ap->flags ^= (MR_TOGGLE_TX);
2332 if (ap->rxconfig & 0x0008)
2333 ap->flags |= MR_TOGGLE_RX;
2334 if (ap->rxconfig & ANEG_CFG_NP)
2335 ap->flags |= MR_NP_RX;
2336 ap->flags |= MR_PAGE_RX;
2337
2338 ap->state = ANEG_STATE_COMPLETE_ACK;
2339 ret = ANEG_TIMER_ENAB;
2340 break;
2341
2342 case ANEG_STATE_COMPLETE_ACK:
2343 if (ap->ability_match != 0 &&
2344 ap->rxconfig == 0) {
2345 ap->state = ANEG_STATE_AN_ENABLE;
2346 break;
2347 }
2348 delta = ap->cur_time - ap->link_time;
2349 if (delta > ANEG_STATE_SETTLE_TIME) {
2350 if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) {
2351 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2352 } else {
2353 if ((ap->txconfig & ANEG_CFG_NP) == 0 &&
2354 !(ap->flags & MR_NP_RX)) {
2355 ap->state = ANEG_STATE_IDLE_DETECT_INIT;
2356 } else {
2357 ret = ANEG_FAILED;
2358 }
2359 }
2360 }
2361 break;
2362
2363 case ANEG_STATE_IDLE_DETECT_INIT:
2364 ap->link_time = ap->cur_time;
2365 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2366 tw32_f(MAC_MODE, tp->mac_mode);
2367 udelay(40);
2368
2369 ap->state = ANEG_STATE_IDLE_DETECT;
2370 ret = ANEG_TIMER_ENAB;
2371 break;
2372
2373 case ANEG_STATE_IDLE_DETECT:
2374 if (ap->ability_match != 0 &&
2375 ap->rxconfig == 0) {
2376 ap->state = ANEG_STATE_AN_ENABLE;
2377 break;
2378 }
2379 delta = ap->cur_time - ap->link_time;
2380 if (delta > ANEG_STATE_SETTLE_TIME) {
2381 /* XXX another gem from the Broadcom driver :( */
2382 ap->state = ANEG_STATE_LINK_OK;
2383 }
2384 break;
2385
2386 case ANEG_STATE_LINK_OK:
2387 ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK);
2388 ret = ANEG_DONE;
2389 break;
2390
2391 case ANEG_STATE_NEXT_PAGE_WAIT_INIT:
2392 /* ??? unimplemented */
2393 break;
2394
2395 case ANEG_STATE_NEXT_PAGE_WAIT:
2396 /* ??? unimplemented */
2397 break;
2398
2399 default:
2400 ret = ANEG_FAILED;
2401 break;
2402 };
2403
2404 return ret;
2405}
2406
2407static int fiber_autoneg(struct tg3 *tp, u32 *flags)
2408{
2409 int res = 0;
2410 struct tg3_fiber_aneginfo aninfo;
2411 int status = ANEG_FAILED;
2412 unsigned int tick;
2413 u32 tmp;
2414
2415 tw32_f(MAC_TX_AUTO_NEG, 0);
2416
2417 tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
2418 tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII);
2419 udelay(40);
2420
2421 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS);
2422 udelay(40);
2423
2424 memset(&aninfo, 0, sizeof(aninfo));
2425 aninfo.flags |= MR_AN_ENABLE;
2426 aninfo.state = ANEG_STATE_UNKNOWN;
2427 aninfo.cur_time = 0;
2428 tick = 0;
2429 while (++tick < 195000) {
2430 status = tg3_fiber_aneg_smachine(tp, &aninfo);
2431 if (status == ANEG_DONE || status == ANEG_FAILED)
2432 break;
2433
2434 udelay(1);
2435 }
2436
2437 tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS;
2438 tw32_f(MAC_MODE, tp->mac_mode);
2439 udelay(40);
2440
2441 *flags = aninfo.flags;
2442
2443 if (status == ANEG_DONE &&
2444 (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK |
2445 MR_LP_ADV_FULL_DUPLEX)))
2446 res = 1;
2447
2448 return res;
2449}
2450
2451static void tg3_init_bcm8002(struct tg3 *tp)
2452{
2453 u32 mac_status = tr32(MAC_STATUS);
2454 int i;
2455
2456 /* Reset when initting first time or we have a link. */
2457 if ((tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) &&
2458 !(mac_status & MAC_STATUS_PCS_SYNCED))
2459 return;
2460
2461 /* Set PLL lock range. */
2462 tg3_writephy(tp, 0x16, 0x8007);
2463
2464 /* SW reset */
2465 tg3_writephy(tp, MII_BMCR, BMCR_RESET);
2466
2467 /* Wait for reset to complete. */
2468 /* XXX schedule_timeout() ... */
2469 for (i = 0; i < 500; i++)
2470 udelay(10);
2471
2472 /* Config mode; select PMA/Ch 1 regs. */
2473 tg3_writephy(tp, 0x10, 0x8411);
2474
2475 /* Enable auto-lock and comdet, select txclk for tx. */
2476 tg3_writephy(tp, 0x11, 0x0a10);
2477
2478 tg3_writephy(tp, 0x18, 0x00a0);
2479 tg3_writephy(tp, 0x16, 0x41ff);
2480
2481 /* Assert and deassert POR. */
2482 tg3_writephy(tp, 0x13, 0x0400);
2483 udelay(40);
2484 tg3_writephy(tp, 0x13, 0x0000);
2485
2486 tg3_writephy(tp, 0x11, 0x0a50);
2487 udelay(40);
2488 tg3_writephy(tp, 0x11, 0x0a10);
2489
2490 /* Wait for signal to stabilize */
2491 /* XXX schedule_timeout() ... */
2492 for (i = 0; i < 15000; i++)
2493 udelay(10);
2494
2495 /* Deselect the channel register so we can read the PHYID
2496 * later.
2497 */
2498 tg3_writephy(tp, 0x10, 0x8011);
2499}
2500
2501static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status)
2502{
2503 u32 sg_dig_ctrl, sg_dig_status;
2504 u32 serdes_cfg, expected_sg_dig_ctrl;
2505 int workaround, port_a;
2506 int current_link_up;
2507
2508 serdes_cfg = 0;
2509 expected_sg_dig_ctrl = 0;
2510 workaround = 0;
2511 port_a = 1;
2512 current_link_up = 0;
2513
2514 if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 &&
2515 tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) {
2516 workaround = 1;
2517 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
2518 port_a = 0;
2519
2520 /* preserve bits 0-11,13,14 for signal pre-emphasis */
2521 /* preserve bits 20-23 for voltage regulator */
2522 serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff;
2523 }
2524
2525 sg_dig_ctrl = tr32(SG_DIG_CTRL);
2526
2527 if (tp->link_config.autoneg != AUTONEG_ENABLE) {
2528 if (sg_dig_ctrl & (1 << 31)) {
2529 if (workaround) {
2530 u32 val = serdes_cfg;
2531
2532 if (port_a)
2533 val |= 0xc010000;
2534 else
2535 val |= 0x4010000;
2536 tw32_f(MAC_SERDES_CFG, val);
2537 }
2538 tw32_f(SG_DIG_CTRL, 0x01388400);
2539 }
2540 if (mac_status & MAC_STATUS_PCS_SYNCED) {
2541 tg3_setup_flow_control(tp, 0, 0);
2542 current_link_up = 1;
2543 }
2544 goto out;
2545 }
2546
2547 /* Want auto-negotiation. */
2548 expected_sg_dig_ctrl = 0x81388400;
2549
2550 /* Pause capability */
2551 expected_sg_dig_ctrl |= (1 << 11);
2552
2553 /* Asymettric pause */
2554 expected_sg_dig_ctrl |= (1 << 12);
2555
2556 if (sg_dig_ctrl != expected_sg_dig_ctrl) {
Michael Chan3d3ebe72006-09-27 15:59:15 -07002557 if ((tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) &&
2558 tp->serdes_counter &&
2559 ((mac_status & (MAC_STATUS_PCS_SYNCED |
2560 MAC_STATUS_RCVD_CFG)) ==
2561 MAC_STATUS_PCS_SYNCED)) {
2562 tp->serdes_counter--;
2563 current_link_up = 1;
2564 goto out;
2565 }
2566restart_autoneg:
Linus Torvalds1da177e2005-04-16 15:20:36 -07002567 if (workaround)
2568 tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000);
2569 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | (1 << 30));
2570 udelay(5);
2571 tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl);
2572
Michael Chan3d3ebe72006-09-27 15:59:15 -07002573 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2574 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002575 } else if (mac_status & (MAC_STATUS_PCS_SYNCED |
2576 MAC_STATUS_SIGNAL_DET)) {
Michael Chan3d3ebe72006-09-27 15:59:15 -07002577 sg_dig_status = tr32(SG_DIG_STATUS);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002578 mac_status = tr32(MAC_STATUS);
2579
2580 if ((sg_dig_status & (1 << 1)) &&
2581 (mac_status & MAC_STATUS_PCS_SYNCED)) {
2582 u32 local_adv, remote_adv;
2583
2584 local_adv = ADVERTISE_PAUSE_CAP;
2585 remote_adv = 0;
2586 if (sg_dig_status & (1 << 19))
2587 remote_adv |= LPA_PAUSE_CAP;
2588 if (sg_dig_status & (1 << 20))
2589 remote_adv |= LPA_PAUSE_ASYM;
2590
2591 tg3_setup_flow_control(tp, local_adv, remote_adv);
2592 current_link_up = 1;
Michael Chan3d3ebe72006-09-27 15:59:15 -07002593 tp->serdes_counter = 0;
2594 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002595 } else if (!(sg_dig_status & (1 << 1))) {
Michael Chan3d3ebe72006-09-27 15:59:15 -07002596 if (tp->serdes_counter)
2597 tp->serdes_counter--;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002598 else {
2599 if (workaround) {
2600 u32 val = serdes_cfg;
2601
2602 if (port_a)
2603 val |= 0xc010000;
2604 else
2605 val |= 0x4010000;
2606
2607 tw32_f(MAC_SERDES_CFG, val);
2608 }
2609
2610 tw32_f(SG_DIG_CTRL, 0x01388400);
2611 udelay(40);
2612
2613 /* Link parallel detection - link is up */
2614 /* only if we have PCS_SYNC and not */
2615 /* receiving config code words */
2616 mac_status = tr32(MAC_STATUS);
2617 if ((mac_status & MAC_STATUS_PCS_SYNCED) &&
2618 !(mac_status & MAC_STATUS_RCVD_CFG)) {
2619 tg3_setup_flow_control(tp, 0, 0);
2620 current_link_up = 1;
Michael Chan3d3ebe72006-09-27 15:59:15 -07002621 tp->tg3_flags2 |=
2622 TG3_FLG2_PARALLEL_DETECT;
2623 tp->serdes_counter =
2624 SERDES_PARALLEL_DET_TIMEOUT;
2625 } else
2626 goto restart_autoneg;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002627 }
2628 }
Michael Chan3d3ebe72006-09-27 15:59:15 -07002629 } else {
2630 tp->serdes_counter = SERDES_AN_TIMEOUT_5704S;
2631 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002632 }
2633
2634out:
2635 return current_link_up;
2636}
2637
2638static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status)
2639{
2640 int current_link_up = 0;
2641
Michael Chan5cf64b82007-05-05 12:11:21 -07002642 if (!(mac_status & MAC_STATUS_PCS_SYNCED))
Linus Torvalds1da177e2005-04-16 15:20:36 -07002643 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002644
2645 if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2646 u32 flags;
2647 int i;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04002648
Linus Torvalds1da177e2005-04-16 15:20:36 -07002649 if (fiber_autoneg(tp, &flags)) {
2650 u32 local_adv, remote_adv;
2651
2652 local_adv = ADVERTISE_PAUSE_CAP;
2653 remote_adv = 0;
2654 if (flags & MR_LP_ADV_SYM_PAUSE)
2655 remote_adv |= LPA_PAUSE_CAP;
2656 if (flags & MR_LP_ADV_ASYM_PAUSE)
2657 remote_adv |= LPA_PAUSE_ASYM;
2658
2659 tg3_setup_flow_control(tp, local_adv, remote_adv);
2660
Linus Torvalds1da177e2005-04-16 15:20:36 -07002661 current_link_up = 1;
2662 }
2663 for (i = 0; i < 30; i++) {
2664 udelay(20);
2665 tw32_f(MAC_STATUS,
2666 (MAC_STATUS_SYNC_CHANGED |
2667 MAC_STATUS_CFG_CHANGED));
2668 udelay(40);
2669 if ((tr32(MAC_STATUS) &
2670 (MAC_STATUS_SYNC_CHANGED |
2671 MAC_STATUS_CFG_CHANGED)) == 0)
2672 break;
2673 }
2674
2675 mac_status = tr32(MAC_STATUS);
2676 if (current_link_up == 0 &&
2677 (mac_status & MAC_STATUS_PCS_SYNCED) &&
2678 !(mac_status & MAC_STATUS_RCVD_CFG))
2679 current_link_up = 1;
2680 } else {
2681 /* Forcing 1000FD link up. */
2682 current_link_up = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002683
2684 tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS));
2685 udelay(40);
Matt Carlsone8f3f6c2007-07-11 19:47:55 -07002686
2687 tw32_f(MAC_MODE, tp->mac_mode);
2688 udelay(40);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002689 }
2690
2691out:
2692 return current_link_up;
2693}
2694
2695static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset)
2696{
2697 u32 orig_pause_cfg;
2698 u16 orig_active_speed;
2699 u8 orig_active_duplex;
2700 u32 mac_status;
2701 int current_link_up;
2702 int i;
2703
2704 orig_pause_cfg =
2705 (tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2706 TG3_FLAG_TX_PAUSE));
2707 orig_active_speed = tp->link_config.active_speed;
2708 orig_active_duplex = tp->link_config.active_duplex;
2709
2710 if (!(tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG) &&
2711 netif_carrier_ok(tp->dev) &&
2712 (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE)) {
2713 mac_status = tr32(MAC_STATUS);
2714 mac_status &= (MAC_STATUS_PCS_SYNCED |
2715 MAC_STATUS_SIGNAL_DET |
2716 MAC_STATUS_CFG_CHANGED |
2717 MAC_STATUS_RCVD_CFG);
2718 if (mac_status == (MAC_STATUS_PCS_SYNCED |
2719 MAC_STATUS_SIGNAL_DET)) {
2720 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2721 MAC_STATUS_CFG_CHANGED));
2722 return 0;
2723 }
2724 }
2725
2726 tw32_f(MAC_TX_AUTO_NEG, 0);
2727
2728 tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX);
2729 tp->mac_mode |= MAC_MODE_PORT_MODE_TBI;
2730 tw32_f(MAC_MODE, tp->mac_mode);
2731 udelay(40);
2732
2733 if (tp->phy_id == PHY_ID_BCM8002)
2734 tg3_init_bcm8002(tp);
2735
2736 /* Enable link change event even when serdes polling. */
2737 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2738 udelay(40);
2739
2740 current_link_up = 0;
2741 mac_status = tr32(MAC_STATUS);
2742
2743 if (tp->tg3_flags2 & TG3_FLG2_HW_AUTONEG)
2744 current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status);
2745 else
2746 current_link_up = tg3_setup_fiber_by_hand(tp, mac_status);
2747
Linus Torvalds1da177e2005-04-16 15:20:36 -07002748 tp->hw_status->status =
2749 (SD_STATUS_UPDATED |
2750 (tp->hw_status->status & ~SD_STATUS_LINK_CHG));
2751
2752 for (i = 0; i < 100; i++) {
2753 tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED |
2754 MAC_STATUS_CFG_CHANGED));
2755 udelay(5);
2756 if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED |
Michael Chan3d3ebe72006-09-27 15:59:15 -07002757 MAC_STATUS_CFG_CHANGED |
2758 MAC_STATUS_LNKSTATE_CHANGED)) == 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002759 break;
2760 }
2761
2762 mac_status = tr32(MAC_STATUS);
2763 if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) {
2764 current_link_up = 0;
Michael Chan3d3ebe72006-09-27 15:59:15 -07002765 if (tp->link_config.autoneg == AUTONEG_ENABLE &&
2766 tp->serdes_counter == 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002767 tw32_f(MAC_MODE, (tp->mac_mode |
2768 MAC_MODE_SEND_CONFIGS));
2769 udelay(1);
2770 tw32_f(MAC_MODE, tp->mac_mode);
2771 }
2772 }
2773
2774 if (current_link_up == 1) {
2775 tp->link_config.active_speed = SPEED_1000;
2776 tp->link_config.active_duplex = DUPLEX_FULL;
2777 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2778 LED_CTRL_LNKLED_OVERRIDE |
2779 LED_CTRL_1000MBPS_ON));
2780 } else {
2781 tp->link_config.active_speed = SPEED_INVALID;
2782 tp->link_config.active_duplex = DUPLEX_INVALID;
2783 tw32(MAC_LED_CTRL, (tp->led_ctrl |
2784 LED_CTRL_LNKLED_OVERRIDE |
2785 LED_CTRL_TRAFFIC_OVERRIDE));
2786 }
2787
2788 if (current_link_up != netif_carrier_ok(tp->dev)) {
2789 if (current_link_up)
2790 netif_carrier_on(tp->dev);
2791 else
2792 netif_carrier_off(tp->dev);
2793 tg3_link_report(tp);
2794 } else {
2795 u32 now_pause_cfg =
2796 tp->tg3_flags & (TG3_FLAG_RX_PAUSE |
2797 TG3_FLAG_TX_PAUSE);
2798 if (orig_pause_cfg != now_pause_cfg ||
2799 orig_active_speed != tp->link_config.active_speed ||
2800 orig_active_duplex != tp->link_config.active_duplex)
2801 tg3_link_report(tp);
2802 }
2803
2804 return 0;
2805}
2806
Michael Chan747e8f82005-07-25 12:33:22 -07002807static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset)
2808{
2809 int current_link_up, err = 0;
2810 u32 bmsr, bmcr;
2811 u16 current_speed;
2812 u8 current_duplex;
2813
2814 tp->mac_mode |= MAC_MODE_PORT_MODE_GMII;
2815 tw32_f(MAC_MODE, tp->mac_mode);
2816 udelay(40);
2817
2818 tw32(MAC_EVENT, 0);
2819
2820 tw32_f(MAC_STATUS,
2821 (MAC_STATUS_SYNC_CHANGED |
2822 MAC_STATUS_CFG_CHANGED |
2823 MAC_STATUS_MI_COMPLETION |
2824 MAC_STATUS_LNKSTATE_CHANGED));
2825 udelay(40);
2826
2827 if (force_reset)
2828 tg3_phy_reset(tp);
2829
2830 current_link_up = 0;
2831 current_speed = SPEED_INVALID;
2832 current_duplex = DUPLEX_INVALID;
2833
2834 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2835 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
Michael Chand4d2c552006-03-20 17:47:20 -08002836 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
2837 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2838 bmsr |= BMSR_LSTATUS;
2839 else
2840 bmsr &= ~BMSR_LSTATUS;
2841 }
Michael Chan747e8f82005-07-25 12:33:22 -07002842
2843 err |= tg3_readphy(tp, MII_BMCR, &bmcr);
2844
2845 if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset &&
2846 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
2847 /* do nothing, just check for link up at the end */
2848 } else if (tp->link_config.autoneg == AUTONEG_ENABLE) {
2849 u32 adv, new_adv;
2850
2851 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2852 new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF |
2853 ADVERTISE_1000XPAUSE |
2854 ADVERTISE_1000XPSE_ASYM |
2855 ADVERTISE_SLCT);
2856
2857 /* Always advertise symmetric PAUSE just like copper */
2858 new_adv |= ADVERTISE_1000XPAUSE;
2859
2860 if (tp->link_config.advertising & ADVERTISED_1000baseT_Half)
2861 new_adv |= ADVERTISE_1000XHALF;
2862 if (tp->link_config.advertising & ADVERTISED_1000baseT_Full)
2863 new_adv |= ADVERTISE_1000XFULL;
2864
2865 if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) {
2866 tg3_writephy(tp, MII_ADVERTISE, new_adv);
2867 bmcr |= BMCR_ANENABLE | BMCR_ANRESTART;
2868 tg3_writephy(tp, MII_BMCR, bmcr);
2869
2870 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
Michael Chan3d3ebe72006-09-27 15:59:15 -07002871 tp->serdes_counter = SERDES_AN_TIMEOUT_5714S;
Michael Chan747e8f82005-07-25 12:33:22 -07002872 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2873
2874 return err;
2875 }
2876 } else {
2877 u32 new_bmcr;
2878
2879 bmcr &= ~BMCR_SPEED1000;
2880 new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX);
2881
2882 if (tp->link_config.duplex == DUPLEX_FULL)
2883 new_bmcr |= BMCR_FULLDPLX;
2884
2885 if (new_bmcr != bmcr) {
2886 /* BMCR_SPEED1000 is a reserved bit that needs
2887 * to be set on write.
2888 */
2889 new_bmcr |= BMCR_SPEED1000;
2890
2891 /* Force a linkdown */
2892 if (netif_carrier_ok(tp->dev)) {
2893 u32 adv;
2894
2895 err |= tg3_readphy(tp, MII_ADVERTISE, &adv);
2896 adv &= ~(ADVERTISE_1000XFULL |
2897 ADVERTISE_1000XHALF |
2898 ADVERTISE_SLCT);
2899 tg3_writephy(tp, MII_ADVERTISE, adv);
2900 tg3_writephy(tp, MII_BMCR, bmcr |
2901 BMCR_ANRESTART |
2902 BMCR_ANENABLE);
2903 udelay(10);
2904 netif_carrier_off(tp->dev);
2905 }
2906 tg3_writephy(tp, MII_BMCR, new_bmcr);
2907 bmcr = new_bmcr;
2908 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
2909 err |= tg3_readphy(tp, MII_BMSR, &bmsr);
Michael Chand4d2c552006-03-20 17:47:20 -08002910 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
2911 ASIC_REV_5714) {
2912 if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP)
2913 bmsr |= BMSR_LSTATUS;
2914 else
2915 bmsr &= ~BMSR_LSTATUS;
2916 }
Michael Chan747e8f82005-07-25 12:33:22 -07002917 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2918 }
2919 }
2920
2921 if (bmsr & BMSR_LSTATUS) {
2922 current_speed = SPEED_1000;
2923 current_link_up = 1;
2924 if (bmcr & BMCR_FULLDPLX)
2925 current_duplex = DUPLEX_FULL;
2926 else
2927 current_duplex = DUPLEX_HALF;
2928
2929 if (bmcr & BMCR_ANENABLE) {
2930 u32 local_adv, remote_adv, common;
2931
2932 err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv);
2933 err |= tg3_readphy(tp, MII_LPA, &remote_adv);
2934 common = local_adv & remote_adv;
2935 if (common & (ADVERTISE_1000XHALF |
2936 ADVERTISE_1000XFULL)) {
2937 if (common & ADVERTISE_1000XFULL)
2938 current_duplex = DUPLEX_FULL;
2939 else
2940 current_duplex = DUPLEX_HALF;
2941
2942 tg3_setup_flow_control(tp, local_adv,
2943 remote_adv);
2944 }
2945 else
2946 current_link_up = 0;
2947 }
2948 }
2949
2950 tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX;
2951 if (tp->link_config.active_duplex == DUPLEX_HALF)
2952 tp->mac_mode |= MAC_MODE_HALF_DUPLEX;
2953
2954 tw32_f(MAC_MODE, tp->mac_mode);
2955 udelay(40);
2956
2957 tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED);
2958
2959 tp->link_config.active_speed = current_speed;
2960 tp->link_config.active_duplex = current_duplex;
2961
2962 if (current_link_up != netif_carrier_ok(tp->dev)) {
2963 if (current_link_up)
2964 netif_carrier_on(tp->dev);
2965 else {
2966 netif_carrier_off(tp->dev);
2967 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
2968 }
2969 tg3_link_report(tp);
2970 }
2971 return err;
2972}
2973
2974static void tg3_serdes_parallel_detect(struct tg3 *tp)
2975{
Michael Chan3d3ebe72006-09-27 15:59:15 -07002976 if (tp->serdes_counter) {
Michael Chan747e8f82005-07-25 12:33:22 -07002977 /* Give autoneg time to complete. */
Michael Chan3d3ebe72006-09-27 15:59:15 -07002978 tp->serdes_counter--;
Michael Chan747e8f82005-07-25 12:33:22 -07002979 return;
2980 }
2981 if (!netif_carrier_ok(tp->dev) &&
2982 (tp->link_config.autoneg == AUTONEG_ENABLE)) {
2983 u32 bmcr;
2984
2985 tg3_readphy(tp, MII_BMCR, &bmcr);
2986 if (bmcr & BMCR_ANENABLE) {
2987 u32 phy1, phy2;
2988
2989 /* Select shadow register 0x1f */
2990 tg3_writephy(tp, 0x1c, 0x7c00);
2991 tg3_readphy(tp, 0x1c, &phy1);
2992
2993 /* Select expansion interrupt status register */
2994 tg3_writephy(tp, 0x17, 0x0f01);
2995 tg3_readphy(tp, 0x15, &phy2);
2996 tg3_readphy(tp, 0x15, &phy2);
2997
2998 if ((phy1 & 0x10) && !(phy2 & 0x20)) {
2999 /* We have signal detect and not receiving
3000 * config code words, link is up by parallel
3001 * detection.
3002 */
3003
3004 bmcr &= ~BMCR_ANENABLE;
3005 bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX;
3006 tg3_writephy(tp, MII_BMCR, bmcr);
3007 tp->tg3_flags2 |= TG3_FLG2_PARALLEL_DETECT;
3008 }
3009 }
3010 }
3011 else if (netif_carrier_ok(tp->dev) &&
3012 (tp->link_config.autoneg == AUTONEG_ENABLE) &&
3013 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) {
3014 u32 phy2;
3015
3016 /* Select expansion interrupt status register */
3017 tg3_writephy(tp, 0x17, 0x0f01);
3018 tg3_readphy(tp, 0x15, &phy2);
3019 if (phy2 & 0x20) {
3020 u32 bmcr;
3021
3022 /* Config code words received, turn on autoneg. */
3023 tg3_readphy(tp, MII_BMCR, &bmcr);
3024 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE);
3025
3026 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
3027
3028 }
3029 }
3030}
3031
Linus Torvalds1da177e2005-04-16 15:20:36 -07003032static int tg3_setup_phy(struct tg3 *tp, int force_reset)
3033{
3034 int err;
3035
3036 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
3037 err = tg3_setup_fiber_phy(tp, force_reset);
Michael Chan747e8f82005-07-25 12:33:22 -07003038 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
3039 err = tg3_setup_fiber_mii_phy(tp, force_reset);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003040 } else {
3041 err = tg3_setup_copper_phy(tp, force_reset);
3042 }
3043
3044 if (tp->link_config.active_speed == SPEED_1000 &&
3045 tp->link_config.active_duplex == DUPLEX_HALF)
3046 tw32(MAC_TX_LENGTHS,
3047 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3048 (6 << TX_LENGTHS_IPG_SHIFT) |
3049 (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)));
3050 else
3051 tw32(MAC_TX_LENGTHS,
3052 ((2 << TX_LENGTHS_IPG_CRS_SHIFT) |
3053 (6 << TX_LENGTHS_IPG_SHIFT) |
3054 (32 << TX_LENGTHS_SLOT_TIME_SHIFT)));
3055
3056 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
3057 if (netif_carrier_ok(tp->dev)) {
3058 tw32(HOSTCC_STAT_COAL_TICKS,
David S. Miller15f98502005-05-18 22:49:26 -07003059 tp->coal.stats_block_coalesce_usecs);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003060 } else {
3061 tw32(HOSTCC_STAT_COAL_TICKS, 0);
3062 }
3063 }
3064
Matt Carlson8ed5d972007-05-07 00:25:49 -07003065 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND) {
3066 u32 val = tr32(PCIE_PWR_MGMT_THRESH);
3067 if (!netif_carrier_ok(tp->dev))
3068 val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) |
3069 tp->pwrmgmt_thresh;
3070 else
3071 val |= PCIE_PWR_MGMT_L1_THRESH_MSK;
3072 tw32(PCIE_PWR_MGMT_THRESH, val);
3073 }
3074
Linus Torvalds1da177e2005-04-16 15:20:36 -07003075 return err;
3076}
3077
Michael Chandf3e6542006-05-26 17:48:07 -07003078/* This is called whenever we suspect that the system chipset is re-
3079 * ordering the sequence of MMIO to the tx send mailbox. The symptom
3080 * is bogus tx completions. We try to recover by setting the
3081 * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later
3082 * in the workqueue.
3083 */
3084static void tg3_tx_recover(struct tg3 *tp)
3085{
3086 BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) ||
3087 tp->write32_tx_mbox == tg3_write_indirect_mbox);
3088
3089 printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-"
3090 "mapped I/O cycles to the network device, attempting to "
3091 "recover. Please report the problem to the driver maintainer "
3092 "and include system chipset information.\n", tp->dev->name);
3093
3094 spin_lock(&tp->lock);
Michael Chandf3e6542006-05-26 17:48:07 -07003095 tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING;
Michael Chandf3e6542006-05-26 17:48:07 -07003096 spin_unlock(&tp->lock);
3097}
3098
Michael Chan1b2a7202006-08-07 21:46:02 -07003099static inline u32 tg3_tx_avail(struct tg3 *tp)
3100{
3101 smp_mb();
3102 return (tp->tx_pending -
3103 ((tp->tx_prod - tp->tx_cons) & (TG3_TX_RING_SIZE - 1)));
3104}
3105
Linus Torvalds1da177e2005-04-16 15:20:36 -07003106/* Tigon3 never reports partial packet sends. So we do not
3107 * need special logic to handle SKBs that have not had all
3108 * of their frags sent yet, like SunGEM does.
3109 */
3110static void tg3_tx(struct tg3 *tp)
3111{
3112 u32 hw_idx = tp->hw_status->idx[0].tx_consumer;
3113 u32 sw_idx = tp->tx_cons;
3114
3115 while (sw_idx != hw_idx) {
3116 struct tx_ring_info *ri = &tp->tx_buffers[sw_idx];
3117 struct sk_buff *skb = ri->skb;
Michael Chandf3e6542006-05-26 17:48:07 -07003118 int i, tx_bug = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003119
Michael Chandf3e6542006-05-26 17:48:07 -07003120 if (unlikely(skb == NULL)) {
3121 tg3_tx_recover(tp);
3122 return;
3123 }
3124
Linus Torvalds1da177e2005-04-16 15:20:36 -07003125 pci_unmap_single(tp->pdev,
3126 pci_unmap_addr(ri, mapping),
3127 skb_headlen(skb),
3128 PCI_DMA_TODEVICE);
3129
3130 ri->skb = NULL;
3131
3132 sw_idx = NEXT_TX(sw_idx);
3133
3134 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003135 ri = &tp->tx_buffers[sw_idx];
Michael Chandf3e6542006-05-26 17:48:07 -07003136 if (unlikely(ri->skb != NULL || sw_idx == hw_idx))
3137 tx_bug = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003138
3139 pci_unmap_page(tp->pdev,
3140 pci_unmap_addr(ri, mapping),
3141 skb_shinfo(skb)->frags[i].size,
3142 PCI_DMA_TODEVICE);
3143
3144 sw_idx = NEXT_TX(sw_idx);
3145 }
3146
David S. Millerf47c11e2005-06-24 20:18:35 -07003147 dev_kfree_skb(skb);
Michael Chandf3e6542006-05-26 17:48:07 -07003148
3149 if (unlikely(tx_bug)) {
3150 tg3_tx_recover(tp);
3151 return;
3152 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003153 }
3154
3155 tp->tx_cons = sw_idx;
3156
Michael Chan1b2a7202006-08-07 21:46:02 -07003157 /* Need to make the tx_cons update visible to tg3_start_xmit()
3158 * before checking for netif_queue_stopped(). Without the
3159 * memory barrier, there is a small possibility that tg3_start_xmit()
3160 * will miss it and cause the queue to be stopped forever.
3161 */
3162 smp_mb();
3163
3164 if (unlikely(netif_queue_stopped(tp->dev) &&
Ranjit Manomohan42952232006-10-18 20:54:26 -07003165 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))) {
Michael Chan1b2a7202006-08-07 21:46:02 -07003166 netif_tx_lock(tp->dev);
Michael Chan51b91462005-09-01 17:41:28 -07003167 if (netif_queue_stopped(tp->dev) &&
Ranjit Manomohan42952232006-10-18 20:54:26 -07003168 (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp)))
Michael Chan51b91462005-09-01 17:41:28 -07003169 netif_wake_queue(tp->dev);
Michael Chan1b2a7202006-08-07 21:46:02 -07003170 netif_tx_unlock(tp->dev);
Michael Chan51b91462005-09-01 17:41:28 -07003171 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003172}
3173
3174/* Returns size of skb allocated or < 0 on error.
3175 *
3176 * We only need to fill in the address because the other members
3177 * of the RX descriptor are invariant, see tg3_init_rings.
3178 *
3179 * Note the purposeful assymetry of cpu vs. chip accesses. For
3180 * posting buffers we only dirty the first cache line of the RX
3181 * descriptor (containing the address). Whereas for the RX status
3182 * buffers the cpu only reads the last cacheline of the RX descriptor
3183 * (to fetch the error flags, vlan tag, checksum, and opaque cookie).
3184 */
3185static int tg3_alloc_rx_skb(struct tg3 *tp, u32 opaque_key,
3186 int src_idx, u32 dest_idx_unmasked)
3187{
3188 struct tg3_rx_buffer_desc *desc;
3189 struct ring_info *map, *src_map;
3190 struct sk_buff *skb;
3191 dma_addr_t mapping;
3192 int skb_size, dest_idx;
3193
3194 src_map = NULL;
3195 switch (opaque_key) {
3196 case RXD_OPAQUE_RING_STD:
3197 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3198 desc = &tp->rx_std[dest_idx];
3199 map = &tp->rx_std_buffers[dest_idx];
3200 if (src_idx >= 0)
3201 src_map = &tp->rx_std_buffers[src_idx];
Michael Chan7e72aad2005-07-25 12:31:17 -07003202 skb_size = tp->rx_pkt_buf_sz;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003203 break;
3204
3205 case RXD_OPAQUE_RING_JUMBO:
3206 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3207 desc = &tp->rx_jumbo[dest_idx];
3208 map = &tp->rx_jumbo_buffers[dest_idx];
3209 if (src_idx >= 0)
3210 src_map = &tp->rx_jumbo_buffers[src_idx];
3211 skb_size = RX_JUMBO_PKT_BUF_SZ;
3212 break;
3213
3214 default:
3215 return -EINVAL;
3216 };
3217
3218 /* Do not overwrite any of the map or rp information
3219 * until we are sure we can commit to a new buffer.
3220 *
3221 * Callers depend upon this behavior and assume that
3222 * we leave everything unchanged if we fail.
3223 */
David S. Millera20e9c62006-07-31 22:38:16 -07003224 skb = netdev_alloc_skb(tp->dev, skb_size);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003225 if (skb == NULL)
3226 return -ENOMEM;
3227
Linus Torvalds1da177e2005-04-16 15:20:36 -07003228 skb_reserve(skb, tp->rx_offset);
3229
3230 mapping = pci_map_single(tp->pdev, skb->data,
3231 skb_size - tp->rx_offset,
3232 PCI_DMA_FROMDEVICE);
3233
3234 map->skb = skb;
3235 pci_unmap_addr_set(map, mapping, mapping);
3236
3237 if (src_map != NULL)
3238 src_map->skb = NULL;
3239
3240 desc->addr_hi = ((u64)mapping >> 32);
3241 desc->addr_lo = ((u64)mapping & 0xffffffff);
3242
3243 return skb_size;
3244}
3245
3246/* We only need to move over in the address because the other
3247 * members of the RX descriptor are invariant. See notes above
3248 * tg3_alloc_rx_skb for full details.
3249 */
3250static void tg3_recycle_rx(struct tg3 *tp, u32 opaque_key,
3251 int src_idx, u32 dest_idx_unmasked)
3252{
3253 struct tg3_rx_buffer_desc *src_desc, *dest_desc;
3254 struct ring_info *src_map, *dest_map;
3255 int dest_idx;
3256
3257 switch (opaque_key) {
3258 case RXD_OPAQUE_RING_STD:
3259 dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
3260 dest_desc = &tp->rx_std[dest_idx];
3261 dest_map = &tp->rx_std_buffers[dest_idx];
3262 src_desc = &tp->rx_std[src_idx];
3263 src_map = &tp->rx_std_buffers[src_idx];
3264 break;
3265
3266 case RXD_OPAQUE_RING_JUMBO:
3267 dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
3268 dest_desc = &tp->rx_jumbo[dest_idx];
3269 dest_map = &tp->rx_jumbo_buffers[dest_idx];
3270 src_desc = &tp->rx_jumbo[src_idx];
3271 src_map = &tp->rx_jumbo_buffers[src_idx];
3272 break;
3273
3274 default:
3275 return;
3276 };
3277
3278 dest_map->skb = src_map->skb;
3279 pci_unmap_addr_set(dest_map, mapping,
3280 pci_unmap_addr(src_map, mapping));
3281 dest_desc->addr_hi = src_desc->addr_hi;
3282 dest_desc->addr_lo = src_desc->addr_lo;
3283
3284 src_map->skb = NULL;
3285}
3286
3287#if TG3_VLAN_TAG_USED
3288static int tg3_vlan_rx(struct tg3 *tp, struct sk_buff *skb, u16 vlan_tag)
3289{
3290 return vlan_hwaccel_receive_skb(skb, tp->vlgrp, vlan_tag);
3291}
3292#endif
3293
3294/* The RX ring scheme is composed of multiple rings which post fresh
3295 * buffers to the chip, and one special ring the chip uses to report
3296 * status back to the host.
3297 *
3298 * The special ring reports the status of received packets to the
3299 * host. The chip does not write into the original descriptor the
3300 * RX buffer was obtained from. The chip simply takes the original
3301 * descriptor as provided by the host, updates the status and length
3302 * field, then writes this into the next status ring entry.
3303 *
3304 * Each ring the host uses to post buffers to the chip is described
3305 * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives,
3306 * it is first placed into the on-chip ram. When the packet's length
3307 * is known, it walks down the TG3_BDINFO entries to select the ring.
3308 * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO
3309 * which is within the range of the new packet's length is chosen.
3310 *
3311 * The "separate ring for rx status" scheme may sound queer, but it makes
3312 * sense from a cache coherency perspective. If only the host writes
3313 * to the buffer post rings, and only the chip writes to the rx status
3314 * rings, then cache lines never move beyond shared-modified state.
3315 * If both the host and chip were to write into the same ring, cache line
3316 * eviction could occur since both entities want it in an exclusive state.
3317 */
3318static int tg3_rx(struct tg3 *tp, int budget)
3319{
Michael Chanf92905d2006-06-29 20:14:29 -07003320 u32 work_mask, rx_std_posted = 0;
Michael Chan483ba502005-04-25 15:14:03 -07003321 u32 sw_idx = tp->rx_rcb_ptr;
3322 u16 hw_idx;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003323 int received;
3324
3325 hw_idx = tp->hw_status->idx[0].rx_producer;
3326 /*
3327 * We need to order the read of hw_idx and the read of
3328 * the opaque cookie.
3329 */
3330 rmb();
Linus Torvalds1da177e2005-04-16 15:20:36 -07003331 work_mask = 0;
3332 received = 0;
3333 while (sw_idx != hw_idx && budget > 0) {
3334 struct tg3_rx_buffer_desc *desc = &tp->rx_rcb[sw_idx];
3335 unsigned int len;
3336 struct sk_buff *skb;
3337 dma_addr_t dma_addr;
3338 u32 opaque_key, desc_idx, *post_ptr;
3339
3340 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
3341 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
3342 if (opaque_key == RXD_OPAQUE_RING_STD) {
3343 dma_addr = pci_unmap_addr(&tp->rx_std_buffers[desc_idx],
3344 mapping);
3345 skb = tp->rx_std_buffers[desc_idx].skb;
3346 post_ptr = &tp->rx_std_ptr;
Michael Chanf92905d2006-06-29 20:14:29 -07003347 rx_std_posted++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003348 } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
3349 dma_addr = pci_unmap_addr(&tp->rx_jumbo_buffers[desc_idx],
3350 mapping);
3351 skb = tp->rx_jumbo_buffers[desc_idx].skb;
3352 post_ptr = &tp->rx_jumbo_ptr;
3353 }
3354 else {
3355 goto next_pkt_nopost;
3356 }
3357
3358 work_mask |= opaque_key;
3359
3360 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
3361 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
3362 drop_it:
3363 tg3_recycle_rx(tp, opaque_key,
3364 desc_idx, *post_ptr);
3365 drop_it_no_recycle:
3366 /* Other statistics kept track of by card. */
3367 tp->net_stats.rx_dropped++;
3368 goto next_pkt;
3369 }
3370
3371 len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */
3372
Jeff Garzik6aa20a22006-09-13 13:24:59 -04003373 if (len > RX_COPY_THRESHOLD
Linus Torvalds1da177e2005-04-16 15:20:36 -07003374 && tp->rx_offset == 2
3375 /* rx_offset != 2 iff this is a 5701 card running
3376 * in PCI-X mode [see tg3_get_invariants()] */
3377 ) {
3378 int skb_size;
3379
3380 skb_size = tg3_alloc_rx_skb(tp, opaque_key,
3381 desc_idx, *post_ptr);
3382 if (skb_size < 0)
3383 goto drop_it;
3384
3385 pci_unmap_single(tp->pdev, dma_addr,
3386 skb_size - tp->rx_offset,
3387 PCI_DMA_FROMDEVICE);
3388
3389 skb_put(skb, len);
3390 } else {
3391 struct sk_buff *copy_skb;
3392
3393 tg3_recycle_rx(tp, opaque_key,
3394 desc_idx, *post_ptr);
3395
David S. Millera20e9c62006-07-31 22:38:16 -07003396 copy_skb = netdev_alloc_skb(tp->dev, len + 2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003397 if (copy_skb == NULL)
3398 goto drop_it_no_recycle;
3399
Linus Torvalds1da177e2005-04-16 15:20:36 -07003400 skb_reserve(copy_skb, 2);
3401 skb_put(copy_skb, len);
3402 pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
Arnaldo Carvalho de Melod626f622007-03-27 18:55:52 -03003403 skb_copy_from_linear_data(skb, copy_skb->data, len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003404 pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
3405
3406 /* We'll reuse the original ring buffer. */
3407 skb = copy_skb;
3408 }
3409
3410 if ((tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) &&
3411 (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) &&
3412 (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK)
3413 >> RXD_TCPCSUM_SHIFT) == 0xffff))
3414 skb->ip_summed = CHECKSUM_UNNECESSARY;
3415 else
3416 skb->ip_summed = CHECKSUM_NONE;
3417
3418 skb->protocol = eth_type_trans(skb, tp->dev);
3419#if TG3_VLAN_TAG_USED
3420 if (tp->vlgrp != NULL &&
3421 desc->type_flags & RXD_FLAG_VLAN) {
3422 tg3_vlan_rx(tp, skb,
3423 desc->err_vlan & RXD_VLAN_MASK);
3424 } else
3425#endif
3426 netif_receive_skb(skb);
3427
3428 tp->dev->last_rx = jiffies;
3429 received++;
3430 budget--;
3431
3432next_pkt:
3433 (*post_ptr)++;
Michael Chanf92905d2006-06-29 20:14:29 -07003434
3435 if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
3436 u32 idx = *post_ptr % TG3_RX_RING_SIZE;
3437
3438 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
3439 TG3_64BIT_REG_LOW, idx);
3440 work_mask &= ~RXD_OPAQUE_RING_STD;
3441 rx_std_posted = 0;
3442 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003443next_pkt_nopost:
Michael Chan483ba502005-04-25 15:14:03 -07003444 sw_idx++;
Eric Dumazet6b31a512007-02-06 13:29:21 -08003445 sw_idx &= (TG3_RX_RCB_RING_SIZE(tp) - 1);
Michael Chan52f6d692005-04-25 15:14:32 -07003446
3447 /* Refresh hw_idx to see if there is new work */
3448 if (sw_idx == hw_idx) {
3449 hw_idx = tp->hw_status->idx[0].rx_producer;
3450 rmb();
3451 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003452 }
3453
3454 /* ACK the status ring. */
Michael Chan483ba502005-04-25 15:14:03 -07003455 tp->rx_rcb_ptr = sw_idx;
3456 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, sw_idx);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003457
3458 /* Refill RX ring(s). */
3459 if (work_mask & RXD_OPAQUE_RING_STD) {
3460 sw_idx = tp->rx_std_ptr % TG3_RX_RING_SIZE;
3461 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
3462 sw_idx);
3463 }
3464 if (work_mask & RXD_OPAQUE_RING_JUMBO) {
3465 sw_idx = tp->rx_jumbo_ptr % TG3_RX_JUMBO_RING_SIZE;
3466 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
3467 sw_idx);
3468 }
3469 mmiowb();
3470
3471 return received;
3472}
3473
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003474static int tg3_poll(struct napi_struct *napi, int budget)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003475{
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003476 struct tg3 *tp = container_of(napi, struct tg3, napi);
3477 struct net_device *netdev = tp->dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003478 struct tg3_hw_status *sblk = tp->hw_status;
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003479 int work_done = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003480
Linus Torvalds1da177e2005-04-16 15:20:36 -07003481 /* handle link change and other phy events */
3482 if (!(tp->tg3_flags &
3483 (TG3_FLAG_USE_LINKCHG_REG |
3484 TG3_FLAG_POLL_SERDES))) {
3485 if (sblk->status & SD_STATUS_LINK_CHG) {
3486 sblk->status = SD_STATUS_UPDATED |
3487 (sblk->status & ~SD_STATUS_LINK_CHG);
David S. Millerf47c11e2005-06-24 20:18:35 -07003488 spin_lock(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003489 tg3_setup_phy(tp, 0);
David S. Millerf47c11e2005-06-24 20:18:35 -07003490 spin_unlock(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003491 }
3492 }
3493
3494 /* run TX completion thread */
3495 if (sblk->idx[0].tx_consumer != tp->tx_cons) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07003496 tg3_tx(tp);
Michael Chandf3e6542006-05-26 17:48:07 -07003497 if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING)) {
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003498 netif_rx_complete(netdev, napi);
Michael Chandf3e6542006-05-26 17:48:07 -07003499 schedule_work(&tp->reset_task);
3500 return 0;
3501 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003502 }
3503
Linus Torvalds1da177e2005-04-16 15:20:36 -07003504 /* run RX thread, within the bounds set by NAPI.
3505 * All RX "locking" is done by ensuring outside
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003506 * code synchronizes with tg3->napi.poll()
Linus Torvalds1da177e2005-04-16 15:20:36 -07003507 */
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003508 if (sblk->idx[0].rx_producer != tp->rx_rcb_ptr)
3509 work_done = tg3_rx(tp, budget);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003510
Michael Chan38f38432005-09-05 17:53:32 -07003511 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
David S. Millerf7383c22005-05-18 22:50:53 -07003512 tp->last_tag = sblk->status_tag;
Michael Chan38f38432005-09-05 17:53:32 -07003513 rmb();
3514 } else
3515 sblk->status &= ~SD_STATUS_UPDATED;
David S. Millerf7383c22005-05-18 22:50:53 -07003516
Linus Torvalds1da177e2005-04-16 15:20:36 -07003517 /* if no more work, tell net stack and NIC we're done */
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003518 if (!tg3_has_work(tp)) {
3519 netif_rx_complete(netdev, napi);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003520 tg3_restart_ints(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003521 }
3522
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003523 return work_done;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003524}
3525
David S. Millerf47c11e2005-06-24 20:18:35 -07003526static void tg3_irq_quiesce(struct tg3 *tp)
3527{
3528 BUG_ON(tp->irq_sync);
3529
3530 tp->irq_sync = 1;
3531 smp_mb();
3532
3533 synchronize_irq(tp->pdev->irq);
3534}
3535
3536static inline int tg3_irq_sync(struct tg3 *tp)
3537{
3538 return tp->irq_sync;
3539}
3540
3541/* Fully shutdown all tg3 driver activity elsewhere in the system.
3542 * If irq_sync is non-zero, then the IRQ handler must be synchronized
3543 * with as well. Most of the time, this is not necessary except when
3544 * shutting down the device.
3545 */
3546static inline void tg3_full_lock(struct tg3 *tp, int irq_sync)
3547{
Michael Chan46966542007-07-11 19:47:19 -07003548 spin_lock_bh(&tp->lock);
David S. Millerf47c11e2005-06-24 20:18:35 -07003549 if (irq_sync)
3550 tg3_irq_quiesce(tp);
David S. Millerf47c11e2005-06-24 20:18:35 -07003551}
3552
3553static inline void tg3_full_unlock(struct tg3 *tp)
3554{
David S. Millerf47c11e2005-06-24 20:18:35 -07003555 spin_unlock_bh(&tp->lock);
3556}
3557
Michael Chanfcfa0a32006-03-20 22:28:41 -08003558/* One-shot MSI handler - Chip automatically disables interrupt
3559 * after sending MSI so driver doesn't have to do it.
3560 */
David Howells7d12e782006-10-05 14:55:46 +01003561static irqreturn_t tg3_msi_1shot(int irq, void *dev_id)
Michael Chanfcfa0a32006-03-20 22:28:41 -08003562{
3563 struct net_device *dev = dev_id;
3564 struct tg3 *tp = netdev_priv(dev);
3565
3566 prefetch(tp->hw_status);
3567 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3568
3569 if (likely(!tg3_irq_sync(tp)))
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003570 netif_rx_schedule(dev, &tp->napi);
Michael Chanfcfa0a32006-03-20 22:28:41 -08003571
3572 return IRQ_HANDLED;
3573}
3574
Michael Chan88b06bc2005-04-21 17:13:25 -07003575/* MSI ISR - No need to check for interrupt sharing and no need to
3576 * flush status block and interrupt mailbox. PCI ordering rules
3577 * guarantee that MSI will arrive after the status block.
3578 */
David Howells7d12e782006-10-05 14:55:46 +01003579static irqreturn_t tg3_msi(int irq, void *dev_id)
Michael Chan88b06bc2005-04-21 17:13:25 -07003580{
3581 struct net_device *dev = dev_id;
3582 struct tg3 *tp = netdev_priv(dev);
Michael Chan88b06bc2005-04-21 17:13:25 -07003583
Michael Chan61487482005-09-05 17:53:19 -07003584 prefetch(tp->hw_status);
3585 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
Michael Chan88b06bc2005-04-21 17:13:25 -07003586 /*
David S. Millerfac9b832005-05-18 22:46:34 -07003587 * Writing any value to intr-mbox-0 clears PCI INTA# and
Michael Chan88b06bc2005-04-21 17:13:25 -07003588 * chip-internal interrupt pending events.
David S. Millerfac9b832005-05-18 22:46:34 -07003589 * Writing non-zero to intr-mbox-0 additional tells the
Michael Chan88b06bc2005-04-21 17:13:25 -07003590 * NIC to stop sending us irqs, engaging "in-intr-handler"
3591 * event coalescing.
3592 */
3593 tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
Michael Chan61487482005-09-05 17:53:19 -07003594 if (likely(!tg3_irq_sync(tp)))
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003595 netif_rx_schedule(dev, &tp->napi);
Michael Chan61487482005-09-05 17:53:19 -07003596
Michael Chan88b06bc2005-04-21 17:13:25 -07003597 return IRQ_RETVAL(1);
3598}
3599
David Howells7d12e782006-10-05 14:55:46 +01003600static irqreturn_t tg3_interrupt(int irq, void *dev_id)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003601{
3602 struct net_device *dev = dev_id;
3603 struct tg3 *tp = netdev_priv(dev);
3604 struct tg3_hw_status *sblk = tp->hw_status;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003605 unsigned int handled = 1;
3606
Linus Torvalds1da177e2005-04-16 15:20:36 -07003607 /* In INTx mode, it is possible for the interrupt to arrive at
3608 * the CPU before the status block posted prior to the interrupt.
3609 * Reading the PCI State register will confirm whether the
3610 * interrupt is ours and will flush the status block.
3611 */
Michael Chand18edcb2007-03-24 20:57:11 -07003612 if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) {
3613 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
3614 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3615 handled = 0;
David S. Millerf47c11e2005-06-24 20:18:35 -07003616 goto out;
David S. Millerfac9b832005-05-18 22:46:34 -07003617 }
Michael Chand18edcb2007-03-24 20:57:11 -07003618 }
3619
3620 /*
3621 * Writing any value to intr-mbox-0 clears PCI INTA# and
3622 * chip-internal interrupt pending events.
3623 * Writing non-zero to intr-mbox-0 additional tells the
3624 * NIC to stop sending us irqs, engaging "in-intr-handler"
3625 * event coalescing.
Michael Chanc04cb342007-05-07 00:26:15 -07003626 *
3627 * Flush the mailbox to de-assert the IRQ immediately to prevent
3628 * spurious interrupts. The flush impacts performance but
3629 * excessive spurious interrupts can be worse in some cases.
Michael Chand18edcb2007-03-24 20:57:11 -07003630 */
Michael Chanc04cb342007-05-07 00:26:15 -07003631 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
Michael Chand18edcb2007-03-24 20:57:11 -07003632 if (tg3_irq_sync(tp))
3633 goto out;
3634 sblk->status &= ~SD_STATUS_UPDATED;
3635 if (likely(tg3_has_work(tp))) {
3636 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003637 netif_rx_schedule(dev, &tp->napi);
Michael Chand18edcb2007-03-24 20:57:11 -07003638 } else {
3639 /* No work, shared interrupt perhaps? re-enable
3640 * interrupts, and flush that PCI write
3641 */
3642 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW,
3643 0x00000000);
David S. Millerfac9b832005-05-18 22:46:34 -07003644 }
David S. Millerf47c11e2005-06-24 20:18:35 -07003645out:
David S. Millerfac9b832005-05-18 22:46:34 -07003646 return IRQ_RETVAL(handled);
3647}
3648
David Howells7d12e782006-10-05 14:55:46 +01003649static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id)
David S. Millerfac9b832005-05-18 22:46:34 -07003650{
3651 struct net_device *dev = dev_id;
3652 struct tg3 *tp = netdev_priv(dev);
3653 struct tg3_hw_status *sblk = tp->hw_status;
David S. Millerfac9b832005-05-18 22:46:34 -07003654 unsigned int handled = 1;
3655
David S. Millerfac9b832005-05-18 22:46:34 -07003656 /* In INTx mode, it is possible for the interrupt to arrive at
3657 * the CPU before the status block posted prior to the interrupt.
3658 * Reading the PCI State register will confirm whether the
3659 * interrupt is ours and will flush the status block.
3660 */
Michael Chand18edcb2007-03-24 20:57:11 -07003661 if (unlikely(sblk->status_tag == tp->last_tag)) {
3662 if ((tp->tg3_flags & TG3_FLAG_CHIP_RESETTING) ||
3663 (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
3664 handled = 0;
David S. Millerf47c11e2005-06-24 20:18:35 -07003665 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003666 }
Michael Chand18edcb2007-03-24 20:57:11 -07003667 }
3668
3669 /*
3670 * writing any value to intr-mbox-0 clears PCI INTA# and
3671 * chip-internal interrupt pending events.
3672 * writing non-zero to intr-mbox-0 additional tells the
3673 * NIC to stop sending us irqs, engaging "in-intr-handler"
3674 * event coalescing.
Michael Chanc04cb342007-05-07 00:26:15 -07003675 *
3676 * Flush the mailbox to de-assert the IRQ immediately to prevent
3677 * spurious interrupts. The flush impacts performance but
3678 * excessive spurious interrupts can be worse in some cases.
Michael Chand18edcb2007-03-24 20:57:11 -07003679 */
Michael Chanc04cb342007-05-07 00:26:15 -07003680 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001);
Michael Chand18edcb2007-03-24 20:57:11 -07003681 if (tg3_irq_sync(tp))
3682 goto out;
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003683 if (netif_rx_schedule_prep(dev, &tp->napi)) {
Michael Chand18edcb2007-03-24 20:57:11 -07003684 prefetch(&tp->rx_rcb[tp->rx_rcb_ptr]);
3685 /* Update last_tag to mark that this status has been
3686 * seen. Because interrupt may be shared, we may be
3687 * racing with tg3_poll(), so only update last_tag
3688 * if tg3_poll() is not scheduled.
3689 */
3690 tp->last_tag = sblk->status_tag;
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003691 __netif_rx_schedule(dev, &tp->napi);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003692 }
David S. Millerf47c11e2005-06-24 20:18:35 -07003693out:
Linus Torvalds1da177e2005-04-16 15:20:36 -07003694 return IRQ_RETVAL(handled);
3695}
3696
Michael Chan79381092005-04-21 17:13:59 -07003697/* ISR for interrupt test */
David Howells7d12e782006-10-05 14:55:46 +01003698static irqreturn_t tg3_test_isr(int irq, void *dev_id)
Michael Chan79381092005-04-21 17:13:59 -07003699{
3700 struct net_device *dev = dev_id;
3701 struct tg3 *tp = netdev_priv(dev);
3702 struct tg3_hw_status *sblk = tp->hw_status;
3703
Michael Chanf9804dd2005-09-27 12:13:10 -07003704 if ((sblk->status & SD_STATUS_UPDATED) ||
3705 !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) {
Michael Chanb16250e2006-09-27 16:10:14 -07003706 tg3_disable_ints(tp);
Michael Chan79381092005-04-21 17:13:59 -07003707 return IRQ_RETVAL(1);
3708 }
3709 return IRQ_RETVAL(0);
3710}
3711
Gary Zambrano8e7a22e2006-04-29 18:59:13 -07003712static int tg3_init_hw(struct tg3 *, int);
Michael Chan944d9802005-05-29 14:57:48 -07003713static int tg3_halt(struct tg3 *, int, int);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003714
Michael Chanb9ec6c12006-07-25 16:37:27 -07003715/* Restart hardware after configuration changes, self-test, etc.
3716 * Invoked with tp->lock held.
3717 */
3718static int tg3_restart_hw(struct tg3 *tp, int reset_phy)
3719{
3720 int err;
3721
3722 err = tg3_init_hw(tp, reset_phy);
3723 if (err) {
3724 printk(KERN_ERR PFX "%s: Failed to re-initialize device, "
3725 "aborting.\n", tp->dev->name);
3726 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
3727 tg3_full_unlock(tp);
3728 del_timer_sync(&tp->timer);
3729 tp->irq_sync = 0;
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003730 napi_enable(&tp->napi);
Michael Chanb9ec6c12006-07-25 16:37:27 -07003731 dev_close(tp->dev);
3732 tg3_full_lock(tp, 0);
3733 }
3734 return err;
3735}
3736
Linus Torvalds1da177e2005-04-16 15:20:36 -07003737#ifdef CONFIG_NET_POLL_CONTROLLER
3738static void tg3_poll_controller(struct net_device *dev)
3739{
Michael Chan88b06bc2005-04-21 17:13:25 -07003740 struct tg3 *tp = netdev_priv(dev);
3741
David Howells7d12e782006-10-05 14:55:46 +01003742 tg3_interrupt(tp->pdev->irq, dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003743}
3744#endif
3745
David Howellsc4028952006-11-22 14:57:56 +00003746static void tg3_reset_task(struct work_struct *work)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003747{
David Howellsc4028952006-11-22 14:57:56 +00003748 struct tg3 *tp = container_of(work, struct tg3, reset_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003749 unsigned int restart_timer;
3750
Michael Chan7faa0062006-02-02 17:29:28 -08003751 tg3_full_lock(tp, 0);
Michael Chan7faa0062006-02-02 17:29:28 -08003752
3753 if (!netif_running(tp->dev)) {
Michael Chan7faa0062006-02-02 17:29:28 -08003754 tg3_full_unlock(tp);
3755 return;
3756 }
3757
3758 tg3_full_unlock(tp);
3759
Linus Torvalds1da177e2005-04-16 15:20:36 -07003760 tg3_netif_stop(tp);
3761
David S. Millerf47c11e2005-06-24 20:18:35 -07003762 tg3_full_lock(tp, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003763
3764 restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER;
3765 tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER;
3766
Michael Chandf3e6542006-05-26 17:48:07 -07003767 if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) {
3768 tp->write32_tx_mbox = tg3_write32_tx_mbox;
3769 tp->write32_rx_mbox = tg3_write_flush_reg32;
3770 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
3771 tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING;
3772 }
3773
Michael Chan944d9802005-05-29 14:57:48 -07003774 tg3_halt(tp, RESET_KIND_SHUTDOWN, 0);
Michael Chanb9ec6c12006-07-25 16:37:27 -07003775 if (tg3_init_hw(tp, 1))
3776 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003777
3778 tg3_netif_start(tp);
3779
Linus Torvalds1da177e2005-04-16 15:20:36 -07003780 if (restart_timer)
3781 mod_timer(&tp->timer, jiffies + 1);
Michael Chan7faa0062006-02-02 17:29:28 -08003782
Michael Chanb9ec6c12006-07-25 16:37:27 -07003783out:
Michael Chan7faa0062006-02-02 17:29:28 -08003784 tg3_full_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003785}
3786
Michael Chanb0408752007-02-13 12:18:30 -08003787static void tg3_dump_short_state(struct tg3 *tp)
3788{
3789 printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",
3790 tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));
3791 printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",
3792 tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));
3793}
3794
Linus Torvalds1da177e2005-04-16 15:20:36 -07003795static void tg3_tx_timeout(struct net_device *dev)
3796{
3797 struct tg3 *tp = netdev_priv(dev);
3798
Michael Chanb0408752007-02-13 12:18:30 -08003799 if (netif_msg_tx_err(tp)) {
Michael Chan9f88f292006-12-07 00:22:54 -08003800 printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",
3801 dev->name);
Michael Chanb0408752007-02-13 12:18:30 -08003802 tg3_dump_short_state(tp);
3803 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003804
3805 schedule_work(&tp->reset_task);
3806}
3807
Michael Chanc58ec932005-09-17 00:46:27 -07003808/* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */
3809static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len)
3810{
3811 u32 base = (u32) mapping & 0xffffffff;
3812
3813 return ((base > 0xffffdcc0) &&
3814 (base + len + 8 < base));
3815}
3816
Michael Chan72f2afb2006-03-06 19:28:35 -08003817/* Test for DMA addresses > 40-bit */
3818static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
3819 int len)
3820{
3821#if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64)
Michael Chan6728a8e2006-03-27 23:16:49 -08003822 if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG)
Michael Chan72f2afb2006-03-06 19:28:35 -08003823 return (((u64) mapping + len) > DMA_40BIT_MASK);
3824 return 0;
3825#else
3826 return 0;
3827#endif
3828}
3829
Linus Torvalds1da177e2005-04-16 15:20:36 -07003830static void tg3_set_txd(struct tg3 *, int, dma_addr_t, int, u32, u32);
3831
Michael Chan72f2afb2006-03-06 19:28:35 -08003832/* Workaround 4GB and 40-bit hardware DMA bugs. */
3833static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
Michael Chanc58ec932005-09-17 00:46:27 -07003834 u32 last_plus_one, u32 *start,
3835 u32 base_flags, u32 mss)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003836{
3837 struct sk_buff *new_skb = skb_copy(skb, GFP_ATOMIC);
Michael Chanc58ec932005-09-17 00:46:27 -07003838 dma_addr_t new_addr = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003839 u32 entry = *start;
Michael Chanc58ec932005-09-17 00:46:27 -07003840 int i, ret = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003841
3842 if (!new_skb) {
Michael Chanc58ec932005-09-17 00:46:27 -07003843 ret = -1;
3844 } else {
3845 /* New SKB is guaranteed to be linear. */
3846 entry = *start;
3847 new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len,
3848 PCI_DMA_TODEVICE);
3849 /* Make sure new skb does not cross any 4G boundaries.
3850 * Drop the packet if it does.
3851 */
3852 if (tg3_4g_overflow_test(new_addr, new_skb->len)) {
3853 ret = -1;
3854 dev_kfree_skb(new_skb);
3855 new_skb = NULL;
3856 } else {
3857 tg3_set_txd(tp, entry, new_addr, new_skb->len,
3858 base_flags, 1 | (mss << 1));
3859 *start = NEXT_TX(entry);
3860 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07003861 }
3862
Linus Torvalds1da177e2005-04-16 15:20:36 -07003863 /* Now clean up the sw ring entries. */
3864 i = 0;
3865 while (entry != last_plus_one) {
3866 int len;
3867
3868 if (i == 0)
3869 len = skb_headlen(skb);
3870 else
3871 len = skb_shinfo(skb)->frags[i-1].size;
3872 pci_unmap_single(tp->pdev,
3873 pci_unmap_addr(&tp->tx_buffers[entry], mapping),
3874 len, PCI_DMA_TODEVICE);
3875 if (i == 0) {
3876 tp->tx_buffers[entry].skb = new_skb;
3877 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr);
3878 } else {
3879 tp->tx_buffers[entry].skb = NULL;
3880 }
3881 entry = NEXT_TX(entry);
3882 i++;
3883 }
3884
3885 dev_kfree_skb(skb);
3886
Michael Chanc58ec932005-09-17 00:46:27 -07003887 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003888}
3889
3890static void tg3_set_txd(struct tg3 *tp, int entry,
3891 dma_addr_t mapping, int len, u32 flags,
3892 u32 mss_and_is_end)
3893{
3894 struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry];
3895 int is_end = (mss_and_is_end & 0x1);
3896 u32 mss = (mss_and_is_end >> 1);
3897 u32 vlan_tag = 0;
3898
3899 if (is_end)
3900 flags |= TXD_FLAG_END;
3901 if (flags & TXD_FLAG_VLAN) {
3902 vlan_tag = flags >> 16;
3903 flags &= 0xffff;
3904 }
3905 vlan_tag |= (mss << TXD_MSS_SHIFT);
3906
3907 txd->addr_hi = ((u64) mapping >> 32);
3908 txd->addr_lo = ((u64) mapping & 0xffffffff);
3909 txd->len_flags = (len << TXD_LEN_SHIFT) | flags;
3910 txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT;
3911}
3912
Michael Chan5a6f3072006-03-20 22:28:05 -08003913/* hard_start_xmit for devices that don't have any bugs and
3914 * support TG3_FLG2_HW_TSO_2 only.
3915 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07003916static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
3917{
3918 struct tg3 *tp = netdev_priv(dev);
3919 dma_addr_t mapping;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003920 u32 len, entry, base_flags, mss;
Michael Chan5a6f3072006-03-20 22:28:05 -08003921
3922 len = skb_headlen(skb);
3923
Michael Chan00b70502006-06-17 21:58:45 -07003924 /* We are running in BH disabled context with netif_tx_lock
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003925 * and TX reclaim runs via tp->napi.poll inside of a software
Michael Chan5a6f3072006-03-20 22:28:05 -08003926 * interrupt. Furthermore, IRQ processing runs lockless so we have
3927 * no IRQ context deadlocks to worry about either. Rejoice!
3928 */
Michael Chan1b2a7202006-08-07 21:46:02 -07003929 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
Michael Chan5a6f3072006-03-20 22:28:05 -08003930 if (!netif_queue_stopped(dev)) {
3931 netif_stop_queue(dev);
3932
3933 /* This is a hard error, log it. */
3934 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
3935 "queue awake!\n", dev->name);
3936 }
Michael Chan5a6f3072006-03-20 22:28:05 -08003937 return NETDEV_TX_BUSY;
3938 }
3939
3940 entry = tp->tx_prod;
3941 base_flags = 0;
Michael Chan5a6f3072006-03-20 22:28:05 -08003942 mss = 0;
Matt Carlsonc13e3712007-05-05 11:50:04 -07003943 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
Michael Chan5a6f3072006-03-20 22:28:05 -08003944 int tcp_opt_len, ip_tcp_len;
3945
3946 if (skb_header_cloned(skb) &&
3947 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
3948 dev_kfree_skb(skb);
3949 goto out_unlock;
3950 }
3951
Michael Chanb0026622006-07-03 19:42:14 -07003952 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
3953 mss |= (skb_headlen(skb) - ETH_HLEN) << 9;
3954 else {
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07003955 struct iphdr *iph = ip_hdr(skb);
3956
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07003957 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloc9bdd4b2007-03-12 20:09:15 -03003958 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
Michael Chanb0026622006-07-03 19:42:14 -07003959
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07003960 iph->check = 0;
3961 iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len);
Michael Chanb0026622006-07-03 19:42:14 -07003962 mss |= (ip_tcp_len + tcp_opt_len) << 9;
3963 }
Michael Chan5a6f3072006-03-20 22:28:05 -08003964
3965 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
3966 TXD_FLAG_CPU_POST_DMA);
3967
Arnaldo Carvalho de Meloaa8223c2007-04-10 21:04:22 -07003968 tcp_hdr(skb)->check = 0;
Michael Chan5a6f3072006-03-20 22:28:05 -08003969
Michael Chan5a6f3072006-03-20 22:28:05 -08003970 }
Patrick McHardy84fa7932006-08-29 16:44:56 -07003971 else if (skb->ip_summed == CHECKSUM_PARTIAL)
Michael Chan5a6f3072006-03-20 22:28:05 -08003972 base_flags |= TXD_FLAG_TCPUDP_CSUM;
Michael Chan5a6f3072006-03-20 22:28:05 -08003973#if TG3_VLAN_TAG_USED
3974 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
3975 base_flags |= (TXD_FLAG_VLAN |
3976 (vlan_tx_tag_get(skb) << 16));
3977#endif
3978
3979 /* Queue skb data, a.k.a. the main skb fragment. */
3980 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
3981
3982 tp->tx_buffers[entry].skb = skb;
3983 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
3984
3985 tg3_set_txd(tp, entry, mapping, len, base_flags,
3986 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
3987
3988 entry = NEXT_TX(entry);
3989
3990 /* Now loop through additional data fragments, and queue them. */
3991 if (skb_shinfo(skb)->nr_frags > 0) {
3992 unsigned int i, last;
3993
3994 last = skb_shinfo(skb)->nr_frags - 1;
3995 for (i = 0; i <= last; i++) {
3996 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
3997
3998 len = frag->size;
3999 mapping = pci_map_page(tp->pdev,
4000 frag->page,
4001 frag->page_offset,
4002 len, PCI_DMA_TODEVICE);
4003
4004 tp->tx_buffers[entry].skb = NULL;
4005 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4006
4007 tg3_set_txd(tp, entry, mapping, len,
4008 base_flags, (i == last) | (mss << 1));
4009
4010 entry = NEXT_TX(entry);
4011 }
4012 }
4013
4014 /* Packets are ready, update Tx producer idx local and on card. */
4015 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4016
4017 tp->tx_prod = entry;
Michael Chan1b2a7202006-08-07 21:46:02 -07004018 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
Michael Chan5a6f3072006-03-20 22:28:05 -08004019 netif_stop_queue(dev);
Ranjit Manomohan42952232006-10-18 20:54:26 -07004020 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
Michael Chan5a6f3072006-03-20 22:28:05 -08004021 netif_wake_queue(tp->dev);
4022 }
4023
4024out_unlock:
4025 mmiowb();
Michael Chan5a6f3072006-03-20 22:28:05 -08004026
4027 dev->trans_start = jiffies;
4028
4029 return NETDEV_TX_OK;
4030}
4031
Michael Chan52c0fd82006-06-29 20:15:54 -07004032static int tg3_start_xmit_dma_bug(struct sk_buff *, struct net_device *);
4033
4034/* Use GSO to workaround a rare TSO bug that may be triggered when the
4035 * TSO header is greater than 80 bytes.
4036 */
4037static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
4038{
4039 struct sk_buff *segs, *nskb;
4040
4041 /* Estimate the number of fragments in the worst case */
Michael Chan1b2a7202006-08-07 21:46:02 -07004042 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))) {
Michael Chan52c0fd82006-06-29 20:15:54 -07004043 netif_stop_queue(tp->dev);
Michael Chan7f62ad52007-02-20 23:25:40 -08004044 if (tg3_tx_avail(tp) <= (skb_shinfo(skb)->gso_segs * 3))
4045 return NETDEV_TX_BUSY;
4046
4047 netif_wake_queue(tp->dev);
Michael Chan52c0fd82006-06-29 20:15:54 -07004048 }
4049
4050 segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO);
4051 if (unlikely(IS_ERR(segs)))
4052 goto tg3_tso_bug_end;
4053
4054 do {
4055 nskb = segs;
4056 segs = segs->next;
4057 nskb->next = NULL;
4058 tg3_start_xmit_dma_bug(nskb, tp->dev);
4059 } while (segs);
4060
4061tg3_tso_bug_end:
4062 dev_kfree_skb(skb);
4063
4064 return NETDEV_TX_OK;
4065}
Michael Chan52c0fd82006-06-29 20:15:54 -07004066
Michael Chan5a6f3072006-03-20 22:28:05 -08004067/* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and
4068 * support TG3_FLG2_HW_TSO_1 or firmware TSO only.
4069 */
4070static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
4071{
4072 struct tg3 *tp = netdev_priv(dev);
4073 dma_addr_t mapping;
4074 u32 len, entry, base_flags, mss;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004075 int would_hit_hwbug;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004076
4077 len = skb_headlen(skb);
4078
Michael Chan00b70502006-06-17 21:58:45 -07004079 /* We are running in BH disabled context with netif_tx_lock
Stephen Hemmingerbea33482007-10-03 16:41:36 -07004080 * and TX reclaim runs via tp->napi.poll inside of a software
David S. Millerf47c11e2005-06-24 20:18:35 -07004081 * interrupt. Furthermore, IRQ processing runs lockless so we have
4082 * no IRQ context deadlocks to worry about either. Rejoice!
Linus Torvalds1da177e2005-04-16 15:20:36 -07004083 */
Michael Chan1b2a7202006-08-07 21:46:02 -07004084 if (unlikely(tg3_tx_avail(tp) <= (skb_shinfo(skb)->nr_frags + 1))) {
Stephen Hemminger1f064a82005-12-06 17:36:44 -08004085 if (!netif_queue_stopped(dev)) {
4086 netif_stop_queue(dev);
4087
4088 /* This is a hard error, log it. */
4089 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
4090 "queue awake!\n", dev->name);
4091 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004092 return NETDEV_TX_BUSY;
4093 }
4094
4095 entry = tp->tx_prod;
4096 base_flags = 0;
Patrick McHardy84fa7932006-08-29 16:44:56 -07004097 if (skb->ip_summed == CHECKSUM_PARTIAL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004098 base_flags |= TXD_FLAG_TCPUDP_CSUM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004099 mss = 0;
Matt Carlsonc13e3712007-05-05 11:50:04 -07004100 if ((mss = skb_shinfo(skb)->gso_size) != 0) {
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07004101 struct iphdr *iph;
Michael Chan52c0fd82006-06-29 20:15:54 -07004102 int tcp_opt_len, ip_tcp_len, hdr_len;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004103
4104 if (skb_header_cloned(skb) &&
4105 pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
4106 dev_kfree_skb(skb);
4107 goto out_unlock;
4108 }
4109
Arnaldo Carvalho de Meloab6a5bb2007-03-18 17:43:48 -07004110 tcp_opt_len = tcp_optlen(skb);
Arnaldo Carvalho de Meloc9bdd4b2007-03-12 20:09:15 -03004111 ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004112
Michael Chan52c0fd82006-06-29 20:15:54 -07004113 hdr_len = ip_tcp_len + tcp_opt_len;
4114 if (unlikely((ETH_HLEN + hdr_len) > 80) &&
Michael Chan7f62ad52007-02-20 23:25:40 -08004115 (tp->tg3_flags2 & TG3_FLG2_TSO_BUG))
Michael Chan52c0fd82006-06-29 20:15:54 -07004116 return (tg3_tso_bug(tp, skb));
4117
Linus Torvalds1da177e2005-04-16 15:20:36 -07004118 base_flags |= (TXD_FLAG_CPU_PRE_DMA |
4119 TXD_FLAG_CPU_POST_DMA);
4120
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07004121 iph = ip_hdr(skb);
4122 iph->check = 0;
4123 iph->tot_len = htons(mss + hdr_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004124 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
Arnaldo Carvalho de Meloaa8223c2007-04-10 21:04:22 -07004125 tcp_hdr(skb)->check = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004126 base_flags &= ~TXD_FLAG_TCPUDP_CSUM;
Arnaldo Carvalho de Meloaa8223c2007-04-10 21:04:22 -07004127 } else
4128 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
4129 iph->daddr, 0,
4130 IPPROTO_TCP,
4131 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004132
4133 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
4134 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07004135 if (tcp_opt_len || iph->ihl > 5) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004136 int tsflags;
4137
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07004138 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004139 mss |= (tsflags << 11);
4140 }
4141 } else {
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07004142 if (tcp_opt_len || iph->ihl > 5) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004143 int tsflags;
4144
Arnaldo Carvalho de Meloeddc9ec2007-04-20 22:47:35 -07004145 tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004146 base_flags |= tsflags << 12;
4147 }
4148 }
4149 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004150#if TG3_VLAN_TAG_USED
4151 if (tp->vlgrp != NULL && vlan_tx_tag_present(skb))
4152 base_flags |= (TXD_FLAG_VLAN |
4153 (vlan_tx_tag_get(skb) << 16));
4154#endif
4155
4156 /* Queue skb data, a.k.a. the main skb fragment. */
4157 mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE);
4158
4159 tp->tx_buffers[entry].skb = skb;
4160 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4161
4162 would_hit_hwbug = 0;
4163
4164 if (tg3_4g_overflow_test(mapping, len))
Michael Chanc58ec932005-09-17 00:46:27 -07004165 would_hit_hwbug = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004166
4167 tg3_set_txd(tp, entry, mapping, len, base_flags,
4168 (skb_shinfo(skb)->nr_frags == 0) | (mss << 1));
4169
4170 entry = NEXT_TX(entry);
4171
4172 /* Now loop through additional data fragments, and queue them. */
4173 if (skb_shinfo(skb)->nr_frags > 0) {
4174 unsigned int i, last;
4175
4176 last = skb_shinfo(skb)->nr_frags - 1;
4177 for (i = 0; i <= last; i++) {
4178 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
4179
4180 len = frag->size;
4181 mapping = pci_map_page(tp->pdev,
4182 frag->page,
4183 frag->page_offset,
4184 len, PCI_DMA_TODEVICE);
4185
4186 tp->tx_buffers[entry].skb = NULL;
4187 pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping);
4188
Michael Chanc58ec932005-09-17 00:46:27 -07004189 if (tg3_4g_overflow_test(mapping, len))
4190 would_hit_hwbug = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004191
Michael Chan72f2afb2006-03-06 19:28:35 -08004192 if (tg3_40bit_overflow_test(tp, mapping, len))
4193 would_hit_hwbug = 1;
4194
Linus Torvalds1da177e2005-04-16 15:20:36 -07004195 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
4196 tg3_set_txd(tp, entry, mapping, len,
4197 base_flags, (i == last)|(mss << 1));
4198 else
4199 tg3_set_txd(tp, entry, mapping, len,
4200 base_flags, (i == last));
4201
4202 entry = NEXT_TX(entry);
4203 }
4204 }
4205
4206 if (would_hit_hwbug) {
4207 u32 last_plus_one = entry;
4208 u32 start;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004209
Michael Chanc58ec932005-09-17 00:46:27 -07004210 start = entry - 1 - skb_shinfo(skb)->nr_frags;
4211 start &= (TG3_TX_RING_SIZE - 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004212
4213 /* If the workaround fails due to memory/mapping
4214 * failure, silently drop this packet.
4215 */
Michael Chan72f2afb2006-03-06 19:28:35 -08004216 if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
Michael Chanc58ec932005-09-17 00:46:27 -07004217 &start, base_flags, mss))
Linus Torvalds1da177e2005-04-16 15:20:36 -07004218 goto out_unlock;
4219
4220 entry = start;
4221 }
4222
4223 /* Packets are ready, update Tx producer idx local and on card. */
4224 tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry);
4225
4226 tp->tx_prod = entry;
Michael Chan1b2a7202006-08-07 21:46:02 -07004227 if (unlikely(tg3_tx_avail(tp) <= (MAX_SKB_FRAGS + 1))) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004228 netif_stop_queue(dev);
Ranjit Manomohan42952232006-10-18 20:54:26 -07004229 if (tg3_tx_avail(tp) > TG3_TX_WAKEUP_THRESH(tp))
Michael Chan51b91462005-09-01 17:41:28 -07004230 netif_wake_queue(tp->dev);
4231 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004232
4233out_unlock:
4234 mmiowb();
Linus Torvalds1da177e2005-04-16 15:20:36 -07004235
4236 dev->trans_start = jiffies;
4237
4238 return NETDEV_TX_OK;
4239}
4240
4241static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp,
4242 int new_mtu)
4243{
4244 dev->mtu = new_mtu;
4245
Michael Chanef7f5ec2005-07-25 12:32:25 -07004246 if (new_mtu > ETH_DATA_LEN) {
Michael Chana4e2b342005-10-26 15:46:52 -07004247 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
Michael Chanef7f5ec2005-07-25 12:32:25 -07004248 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
4249 ethtool_op_set_tso(dev, 0);
4250 }
4251 else
4252 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
4253 } else {
Michael Chana4e2b342005-10-26 15:46:52 -07004254 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
Michael Chanef7f5ec2005-07-25 12:32:25 -07004255 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
Michael Chan0f893dc2005-07-25 12:30:38 -07004256 tp->tg3_flags &= ~TG3_FLAG_JUMBO_RING_ENABLE;
Michael Chanef7f5ec2005-07-25 12:32:25 -07004257 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004258}
4259
4260static int tg3_change_mtu(struct net_device *dev, int new_mtu)
4261{
4262 struct tg3 *tp = netdev_priv(dev);
Michael Chanb9ec6c12006-07-25 16:37:27 -07004263 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004264
4265 if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp))
4266 return -EINVAL;
4267
4268 if (!netif_running(dev)) {
4269 /* We'll just catch it later when the
4270 * device is up'd.
4271 */
4272 tg3_set_mtu(dev, tp, new_mtu);
4273 return 0;
4274 }
4275
4276 tg3_netif_stop(tp);
David S. Millerf47c11e2005-06-24 20:18:35 -07004277
4278 tg3_full_lock(tp, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004279
Michael Chan944d9802005-05-29 14:57:48 -07004280 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004281
4282 tg3_set_mtu(dev, tp, new_mtu);
4283
Michael Chanb9ec6c12006-07-25 16:37:27 -07004284 err = tg3_restart_hw(tp, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004285
Michael Chanb9ec6c12006-07-25 16:37:27 -07004286 if (!err)
4287 tg3_netif_start(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004288
David S. Millerf47c11e2005-06-24 20:18:35 -07004289 tg3_full_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004290
Michael Chanb9ec6c12006-07-25 16:37:27 -07004291 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004292}
4293
4294/* Free up pending packets in all rx/tx rings.
4295 *
4296 * The chip has been shut down and the driver detached from
4297 * the networking, so no interrupts or new tx packets will
4298 * end up in the driver. tp->{tx,}lock is not held and we are not
4299 * in an interrupt context and thus may sleep.
4300 */
4301static void tg3_free_rings(struct tg3 *tp)
4302{
4303 struct ring_info *rxp;
4304 int i;
4305
4306 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4307 rxp = &tp->rx_std_buffers[i];
4308
4309 if (rxp->skb == NULL)
4310 continue;
4311 pci_unmap_single(tp->pdev,
4312 pci_unmap_addr(rxp, mapping),
Michael Chan7e72aad2005-07-25 12:31:17 -07004313 tp->rx_pkt_buf_sz - tp->rx_offset,
Linus Torvalds1da177e2005-04-16 15:20:36 -07004314 PCI_DMA_FROMDEVICE);
4315 dev_kfree_skb_any(rxp->skb);
4316 rxp->skb = NULL;
4317 }
4318
4319 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4320 rxp = &tp->rx_jumbo_buffers[i];
4321
4322 if (rxp->skb == NULL)
4323 continue;
4324 pci_unmap_single(tp->pdev,
4325 pci_unmap_addr(rxp, mapping),
4326 RX_JUMBO_PKT_BUF_SZ - tp->rx_offset,
4327 PCI_DMA_FROMDEVICE);
4328 dev_kfree_skb_any(rxp->skb);
4329 rxp->skb = NULL;
4330 }
4331
4332 for (i = 0; i < TG3_TX_RING_SIZE; ) {
4333 struct tx_ring_info *txp;
4334 struct sk_buff *skb;
4335 int j;
4336
4337 txp = &tp->tx_buffers[i];
4338 skb = txp->skb;
4339
4340 if (skb == NULL) {
4341 i++;
4342 continue;
4343 }
4344
4345 pci_unmap_single(tp->pdev,
4346 pci_unmap_addr(txp, mapping),
4347 skb_headlen(skb),
4348 PCI_DMA_TODEVICE);
4349 txp->skb = NULL;
4350
4351 i++;
4352
4353 for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) {
4354 txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)];
4355 pci_unmap_page(tp->pdev,
4356 pci_unmap_addr(txp, mapping),
4357 skb_shinfo(skb)->frags[j].size,
4358 PCI_DMA_TODEVICE);
4359 i++;
4360 }
4361
4362 dev_kfree_skb_any(skb);
4363 }
4364}
4365
4366/* Initialize tx/rx rings for packet processing.
4367 *
4368 * The chip has been shut down and the driver detached from
4369 * the networking, so no interrupts or new tx packets will
4370 * end up in the driver. tp->{tx,}lock are held and thus
4371 * we may not sleep.
4372 */
Michael Chan32d8c572006-07-25 16:38:29 -07004373static int tg3_init_rings(struct tg3 *tp)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004374{
4375 u32 i;
4376
4377 /* Free up all the SKBs. */
4378 tg3_free_rings(tp);
4379
4380 /* Zero out all descriptors. */
4381 memset(tp->rx_std, 0, TG3_RX_RING_BYTES);
4382 memset(tp->rx_jumbo, 0, TG3_RX_JUMBO_RING_BYTES);
4383 memset(tp->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
4384 memset(tp->tx_ring, 0, TG3_TX_RING_BYTES);
4385
Michael Chan7e72aad2005-07-25 12:31:17 -07004386 tp->rx_pkt_buf_sz = RX_PKT_BUF_SZ;
Michael Chana4e2b342005-10-26 15:46:52 -07004387 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
Michael Chan7e72aad2005-07-25 12:31:17 -07004388 (tp->dev->mtu > ETH_DATA_LEN))
4389 tp->rx_pkt_buf_sz = RX_JUMBO_PKT_BUF_SZ;
4390
Linus Torvalds1da177e2005-04-16 15:20:36 -07004391 /* Initialize invariants of the rings, we only set this
4392 * stuff once. This works because the card does not
4393 * write into the rx buffer posting rings.
4394 */
4395 for (i = 0; i < TG3_RX_RING_SIZE; i++) {
4396 struct tg3_rx_buffer_desc *rxd;
4397
4398 rxd = &tp->rx_std[i];
Michael Chan7e72aad2005-07-25 12:31:17 -07004399 rxd->idx_len = (tp->rx_pkt_buf_sz - tp->rx_offset - 64)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004400 << RXD_LEN_SHIFT;
4401 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT);
4402 rxd->opaque = (RXD_OPAQUE_RING_STD |
4403 (i << RXD_OPAQUE_INDEX_SHIFT));
4404 }
4405
Michael Chan0f893dc2005-07-25 12:30:38 -07004406 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004407 for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
4408 struct tg3_rx_buffer_desc *rxd;
4409
4410 rxd = &tp->rx_jumbo[i];
4411 rxd->idx_len = (RX_JUMBO_PKT_BUF_SZ - tp->rx_offset - 64)
4412 << RXD_LEN_SHIFT;
4413 rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) |
4414 RXD_FLAG_JUMBO;
4415 rxd->opaque = (RXD_OPAQUE_RING_JUMBO |
4416 (i << RXD_OPAQUE_INDEX_SHIFT));
4417 }
4418 }
4419
4420 /* Now allocate fresh SKBs for each rx ring. */
4421 for (i = 0; i < tp->rx_pending; i++) {
Michael Chan32d8c572006-07-25 16:38:29 -07004422 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_STD, -1, i) < 0) {
4423 printk(KERN_WARNING PFX
4424 "%s: Using a smaller RX standard ring, "
4425 "only %d out of %d buffers were allocated "
4426 "successfully.\n",
4427 tp->dev->name, i, tp->rx_pending);
4428 if (i == 0)
4429 return -ENOMEM;
4430 tp->rx_pending = i;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004431 break;
Michael Chan32d8c572006-07-25 16:38:29 -07004432 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004433 }
4434
Michael Chan0f893dc2005-07-25 12:30:38 -07004435 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004436 for (i = 0; i < tp->rx_jumbo_pending; i++) {
4437 if (tg3_alloc_rx_skb(tp, RXD_OPAQUE_RING_JUMBO,
Michael Chan32d8c572006-07-25 16:38:29 -07004438 -1, i) < 0) {
4439 printk(KERN_WARNING PFX
4440 "%s: Using a smaller RX jumbo ring, "
4441 "only %d out of %d buffers were "
4442 "allocated successfully.\n",
4443 tp->dev->name, i, tp->rx_jumbo_pending);
4444 if (i == 0) {
4445 tg3_free_rings(tp);
4446 return -ENOMEM;
4447 }
4448 tp->rx_jumbo_pending = i;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004449 break;
Michael Chan32d8c572006-07-25 16:38:29 -07004450 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004451 }
4452 }
Michael Chan32d8c572006-07-25 16:38:29 -07004453 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004454}
4455
4456/*
4457 * Must not be invoked with interrupt sources disabled and
4458 * the hardware shutdown down.
4459 */
4460static void tg3_free_consistent(struct tg3 *tp)
4461{
Jesper Juhlb4558ea2005-10-28 16:53:13 -04004462 kfree(tp->rx_std_buffers);
4463 tp->rx_std_buffers = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004464 if (tp->rx_std) {
4465 pci_free_consistent(tp->pdev, TG3_RX_RING_BYTES,
4466 tp->rx_std, tp->rx_std_mapping);
4467 tp->rx_std = NULL;
4468 }
4469 if (tp->rx_jumbo) {
4470 pci_free_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4471 tp->rx_jumbo, tp->rx_jumbo_mapping);
4472 tp->rx_jumbo = NULL;
4473 }
4474 if (tp->rx_rcb) {
4475 pci_free_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4476 tp->rx_rcb, tp->rx_rcb_mapping);
4477 tp->rx_rcb = NULL;
4478 }
4479 if (tp->tx_ring) {
4480 pci_free_consistent(tp->pdev, TG3_TX_RING_BYTES,
4481 tp->tx_ring, tp->tx_desc_mapping);
4482 tp->tx_ring = NULL;
4483 }
4484 if (tp->hw_status) {
4485 pci_free_consistent(tp->pdev, TG3_HW_STATUS_SIZE,
4486 tp->hw_status, tp->status_mapping);
4487 tp->hw_status = NULL;
4488 }
4489 if (tp->hw_stats) {
4490 pci_free_consistent(tp->pdev, sizeof(struct tg3_hw_stats),
4491 tp->hw_stats, tp->stats_mapping);
4492 tp->hw_stats = NULL;
4493 }
4494}
4495
4496/*
4497 * Must not be invoked with interrupt sources disabled and
4498 * the hardware shutdown down. Can sleep.
4499 */
4500static int tg3_alloc_consistent(struct tg3 *tp)
4501{
Yan Burmanbd2b3342006-12-14 15:25:00 -08004502 tp->rx_std_buffers = kzalloc((sizeof(struct ring_info) *
Linus Torvalds1da177e2005-04-16 15:20:36 -07004503 (TG3_RX_RING_SIZE +
4504 TG3_RX_JUMBO_RING_SIZE)) +
4505 (sizeof(struct tx_ring_info) *
4506 TG3_TX_RING_SIZE),
4507 GFP_KERNEL);
4508 if (!tp->rx_std_buffers)
4509 return -ENOMEM;
4510
Linus Torvalds1da177e2005-04-16 15:20:36 -07004511 tp->rx_jumbo_buffers = &tp->rx_std_buffers[TG3_RX_RING_SIZE];
4512 tp->tx_buffers = (struct tx_ring_info *)
4513 &tp->rx_jumbo_buffers[TG3_RX_JUMBO_RING_SIZE];
4514
4515 tp->rx_std = pci_alloc_consistent(tp->pdev, TG3_RX_RING_BYTES,
4516 &tp->rx_std_mapping);
4517 if (!tp->rx_std)
4518 goto err_out;
4519
4520 tp->rx_jumbo = pci_alloc_consistent(tp->pdev, TG3_RX_JUMBO_RING_BYTES,
4521 &tp->rx_jumbo_mapping);
4522
4523 if (!tp->rx_jumbo)
4524 goto err_out;
4525
4526 tp->rx_rcb = pci_alloc_consistent(tp->pdev, TG3_RX_RCB_RING_BYTES(tp),
4527 &tp->rx_rcb_mapping);
4528 if (!tp->rx_rcb)
4529 goto err_out;
4530
4531 tp->tx_ring = pci_alloc_consistent(tp->pdev, TG3_TX_RING_BYTES,
4532 &tp->tx_desc_mapping);
4533 if (!tp->tx_ring)
4534 goto err_out;
4535
4536 tp->hw_status = pci_alloc_consistent(tp->pdev,
4537 TG3_HW_STATUS_SIZE,
4538 &tp->status_mapping);
4539 if (!tp->hw_status)
4540 goto err_out;
4541
4542 tp->hw_stats = pci_alloc_consistent(tp->pdev,
4543 sizeof(struct tg3_hw_stats),
4544 &tp->stats_mapping);
4545 if (!tp->hw_stats)
4546 goto err_out;
4547
4548 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4549 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4550
4551 return 0;
4552
4553err_out:
4554 tg3_free_consistent(tp);
4555 return -ENOMEM;
4556}
4557
4558#define MAX_WAIT_CNT 1000
4559
4560/* To stop a block, clear the enable bit and poll till it
4561 * clears. tp->lock is held.
4562 */
David S. Millerb3b7d6b2005-05-05 14:40:20 -07004563static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004564{
4565 unsigned int i;
4566 u32 val;
4567
4568 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
4569 switch (ofs) {
4570 case RCVLSC_MODE:
4571 case DMAC_MODE:
4572 case MBFREE_MODE:
4573 case BUFMGR_MODE:
4574 case MEMARB_MODE:
4575 /* We can't enable/disable these bits of the
4576 * 5705/5750, just say success.
4577 */
4578 return 0;
4579
4580 default:
4581 break;
4582 };
4583 }
4584
4585 val = tr32(ofs);
4586 val &= ~enable_bit;
4587 tw32_f(ofs, val);
4588
4589 for (i = 0; i < MAX_WAIT_CNT; i++) {
4590 udelay(100);
4591 val = tr32(ofs);
4592 if ((val & enable_bit) == 0)
4593 break;
4594 }
4595
David S. Millerb3b7d6b2005-05-05 14:40:20 -07004596 if (i == MAX_WAIT_CNT && !silent) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07004597 printk(KERN_ERR PFX "tg3_stop_block timed out, "
4598 "ofs=%lx enable_bit=%x\n",
4599 ofs, enable_bit);
4600 return -ENODEV;
4601 }
4602
4603 return 0;
4604}
4605
4606/* tp->lock is held. */
David S. Millerb3b7d6b2005-05-05 14:40:20 -07004607static int tg3_abort_hw(struct tg3 *tp, int silent)
Linus Torvalds1da177e2005-04-16 15:20:36 -07004608{
4609 int i, err;
4610
4611 tg3_disable_ints(tp);
4612
4613 tp->rx_mode &= ~RX_MODE_ENABLE;
4614 tw32_f(MAC_RX_MODE, tp->rx_mode);
4615 udelay(10);
4616
David S. Millerb3b7d6b2005-05-05 14:40:20 -07004617 err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent);
4618 err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent);
4619 err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent);
4620 err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent);
4621 err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent);
4622 err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004623
David S. Millerb3b7d6b2005-05-05 14:40:20 -07004624 err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent);
4625 err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent);
4626 err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent);
4627 err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent);
4628 err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent);
4629 err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent);
4630 err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004631
4632 tp->mac_mode &= ~MAC_MODE_TDE_ENABLE;
4633 tw32_f(MAC_MODE, tp->mac_mode);
4634 udelay(40);
4635
4636 tp->tx_mode &= ~TX_MODE_ENABLE;
4637 tw32_f(MAC_TX_MODE, tp->tx_mode);
4638
4639 for (i = 0; i < MAX_WAIT_CNT; i++) {
4640 udelay(100);
4641 if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE))
4642 break;
4643 }
4644 if (i >= MAX_WAIT_CNT) {
4645 printk(KERN_ERR PFX "tg3_abort_hw timed out for %s, "
4646 "TX_MODE_ENABLE will not clear MAC_TX_MODE=%08x\n",
4647 tp->dev->name, tr32(MAC_TX_MODE));
Michael Chane6de8ad2005-05-05 14:42:41 -07004648 err |= -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004649 }
4650
Michael Chane6de8ad2005-05-05 14:42:41 -07004651 err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent);
David S. Millerb3b7d6b2005-05-05 14:40:20 -07004652 err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent);
4653 err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004654
4655 tw32(FTQ_RESET, 0xffffffff);
4656 tw32(FTQ_RESET, 0x00000000);
4657
David S. Millerb3b7d6b2005-05-05 14:40:20 -07004658 err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent);
4659 err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004660
4661 if (tp->hw_status)
4662 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
4663 if (tp->hw_stats)
4664 memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
4665
Linus Torvalds1da177e2005-04-16 15:20:36 -07004666 return err;
4667}
4668
4669/* tp->lock is held. */
4670static int tg3_nvram_lock(struct tg3 *tp)
4671{
4672 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4673 int i;
4674
Michael Chanec41c7d2006-01-17 02:40:55 -08004675 if (tp->nvram_lock_cnt == 0) {
4676 tw32(NVRAM_SWARB, SWARB_REQ_SET1);
4677 for (i = 0; i < 8000; i++) {
4678 if (tr32(NVRAM_SWARB) & SWARB_GNT1)
4679 break;
4680 udelay(20);
4681 }
4682 if (i == 8000) {
4683 tw32(NVRAM_SWARB, SWARB_REQ_CLR1);
4684 return -ENODEV;
4685 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004686 }
Michael Chanec41c7d2006-01-17 02:40:55 -08004687 tp->nvram_lock_cnt++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004688 }
4689 return 0;
4690}
4691
4692/* tp->lock is held. */
4693static void tg3_nvram_unlock(struct tg3 *tp)
4694{
Michael Chanec41c7d2006-01-17 02:40:55 -08004695 if (tp->tg3_flags & TG3_FLAG_NVRAM) {
4696 if (tp->nvram_lock_cnt > 0)
4697 tp->nvram_lock_cnt--;
4698 if (tp->nvram_lock_cnt == 0)
4699 tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1);
4700 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07004701}
4702
4703/* tp->lock is held. */
Michael Chane6af3012005-04-21 17:12:05 -07004704static void tg3_enable_nvram_access(struct tg3 *tp)
4705{
4706 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4707 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4708 u32 nvaccess = tr32(NVRAM_ACCESS);
4709
4710 tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
4711 }
4712}
4713
4714/* tp->lock is held. */
4715static void tg3_disable_nvram_access(struct tg3 *tp)
4716{
4717 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
4718 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
4719 u32 nvaccess = tr32(NVRAM_ACCESS);
4720
4721 tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
4722 }
4723}
4724
4725/* tp->lock is held. */
Linus Torvalds1da177e2005-04-16 15:20:36 -07004726static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind)
4727{
David S. Millerf49639e2006-06-09 11:58:36 -07004728 tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX,
4729 NIC_SRAM_FIRMWARE_MBOX_MAGIC1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07004730
4731 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4732 switch (kind) {
4733 case RESET_KIND_INIT:
4734 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4735 DRV_STATE_START);
4736 break;
4737
4738 case RESET_KIND_SHUTDOWN:
4739 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4740 DRV_STATE_UNLOAD);
4741 break;
4742
4743 case RESET_KIND_SUSPEND:
4744 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4745 DRV_STATE_SUSPEND);
4746 break;
4747
4748 default:
4749 break;
4750 };
4751 }
4752}
4753
4754/* tp->lock is held. */
4755static void tg3_write_sig_post_reset(struct tg3 *tp, int kind)
4756{
4757 if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) {
4758 switch (kind) {
4759 case RESET_KIND_INIT:
4760 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4761 DRV_STATE_START_DONE);
4762 break;
4763
4764 case RESET_KIND_SHUTDOWN:
4765 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4766 DRV_STATE_UNLOAD_DONE);
4767 break;
4768
4769 default:
4770 break;
4771 };
4772 }
4773}
4774
4775/* tp->lock is held. */
4776static void tg3_write_sig_legacy(struct tg3 *tp, int kind)
4777{
4778 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
4779 switch (kind) {
4780 case RESET_KIND_INIT:
4781 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4782 DRV_STATE_START);
4783 break;
4784
4785 case RESET_KIND_SHUTDOWN:
4786 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4787 DRV_STATE_UNLOAD);
4788 break;
4789
4790 case RESET_KIND_SUSPEND:
4791 tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX,
4792 DRV_STATE_SUSPEND);
4793 break;
4794
4795 default:
4796 break;
4797 };
4798 }
4799}
4800
Michael Chan7a6f4362006-09-27 16:03:31 -07004801static int tg3_poll_fw(struct tg3 *tp)
4802{
4803 int i;
4804 u32 val;
4805
Michael Chanb5d37722006-09-27 16:06:21 -07004806 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
Gary Zambrano0ccead12006-11-14 16:34:00 -08004807 /* Wait up to 20ms for init done. */
4808 for (i = 0; i < 200; i++) {
Michael Chanb5d37722006-09-27 16:06:21 -07004809 if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE)
4810 return 0;
Gary Zambrano0ccead12006-11-14 16:34:00 -08004811 udelay(100);
Michael Chanb5d37722006-09-27 16:06:21 -07004812 }
4813 return -ENODEV;
4814 }
4815
Michael Chan7a6f4362006-09-27 16:03:31 -07004816 /* Wait for firmware initialization to complete. */
4817 for (i = 0; i < 100000; i++) {
4818 tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val);
4819 if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
4820 break;
4821 udelay(10);
4822 }
4823
4824 /* Chip might not be fitted with firmware. Some Sun onboard
4825 * parts are configured like that. So don't signal the timeout
4826 * of the above loop as an error, but do report the lack of
4827 * running firmware once.
4828 */
4829 if (i >= 100000 &&
4830 !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) {
4831 tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED;
4832
4833 printk(KERN_INFO PFX "%s: No firmware running.\n",
4834 tp->dev->name);
4835 }
4836
4837 return 0;
4838}
4839
Michael Chanee6a99b2007-07-18 21:49:10 -07004840/* Save PCI command register before chip reset */
4841static void tg3_save_pci_state(struct tg3 *tp)
4842{
4843 u32 val;
4844
4845 pci_read_config_dword(tp->pdev, TG3PCI_COMMAND, &val);
4846 tp->pci_cmd = val;
4847}
4848
4849/* Restore PCI state after chip reset */
4850static void tg3_restore_pci_state(struct tg3 *tp)
4851{
4852 u32 val;
4853
4854 /* Re-enable indirect register accesses. */
4855 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
4856 tp->misc_host_ctrl);
4857
4858 /* Set MAX PCI retry to zero. */
4859 val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE);
4860 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
4861 (tp->tg3_flags & TG3_FLAG_PCIX_MODE))
4862 val |= PCISTATE_RETRY_SAME_DMA;
4863 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
4864
4865 pci_write_config_dword(tp->pdev, TG3PCI_COMMAND, tp->pci_cmd);
4866
4867 /* Make sure PCI-X relaxed ordering bit is clear. */
4868 pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val);
4869 val &= ~PCIX_CAPS_RELAXED_ORDERING;
4870 pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val);
4871
4872 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
4873 u32 val;
4874
4875 /* Chip reset on 5780 will reset MSI enable bit,
4876 * so need to restore it.
4877 */
4878 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
4879 u16 ctrl;
4880
4881 pci_read_config_word(tp->pdev,
4882 tp->msi_cap + PCI_MSI_FLAGS,
4883 &ctrl);
4884 pci_write_config_word(tp->pdev,
4885 tp->msi_cap + PCI_MSI_FLAGS,
4886 ctrl | PCI_MSI_FLAGS_ENABLE);
4887 val = tr32(MSGINT_MODE);
4888 tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE);
4889 }
4890 }
4891}
4892
Linus Torvalds1da177e2005-04-16 15:20:36 -07004893static void tg3_stop_fw(struct tg3 *);
4894
4895/* tp->lock is held. */
4896static int tg3_chip_reset(struct tg3 *tp)
4897{
4898 u32 val;
Michael Chan1ee582d2005-08-09 20:16:46 -07004899 void (*write_op)(struct tg3 *, u32, u32);
Michael Chan7a6f4362006-09-27 16:03:31 -07004900 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004901
David S. Millerf49639e2006-06-09 11:58:36 -07004902 tg3_nvram_lock(tp);
4903
4904 /* No matching tg3_nvram_unlock() after this because
4905 * chip reset below will undo the nvram lock.
4906 */
4907 tp->nvram_lock_cnt = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004908
Michael Chanee6a99b2007-07-18 21:49:10 -07004909 /* GRC_MISC_CFG core clock reset will clear the memory
4910 * enable bit in PCI register 4 and the MSI enable bit
4911 * on some chips, so we save relevant registers here.
4912 */
4913 tg3_save_pci_state(tp);
4914
Michael Chand9ab5ad2006-03-20 22:27:35 -08004915 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
Michael Chanaf36e6b2006-03-23 01:28:06 -08004916 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
Michael Chand9ab5ad2006-03-20 22:27:35 -08004917 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
4918 tw32(GRC_FASTBOOT_PC, 0);
4919
Linus Torvalds1da177e2005-04-16 15:20:36 -07004920 /*
4921 * We must avoid the readl() that normally takes place.
4922 * It locks machines, causes machine checks, and other
4923 * fun things. So, temporarily disable the 5701
4924 * hardware workaround, while we do the reset.
4925 */
Michael Chan1ee582d2005-08-09 20:16:46 -07004926 write_op = tp->write32;
4927 if (write_op == tg3_write_flush_reg32)
4928 tp->write32 = tg3_write32;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004929
Michael Chand18edcb2007-03-24 20:57:11 -07004930 /* Prevent the irq handler from reading or writing PCI registers
4931 * during chip reset when the memory enable bit in the PCI command
4932 * register may be cleared. The chip does not generate interrupt
4933 * at this time, but the irq handler may still be called due to irq
4934 * sharing or irqpoll.
4935 */
4936 tp->tg3_flags |= TG3_FLAG_CHIP_RESETTING;
Michael Chanb8fa2f32007-04-06 17:35:37 -07004937 if (tp->hw_status) {
4938 tp->hw_status->status = 0;
4939 tp->hw_status->status_tag = 0;
4940 }
Michael Chand18edcb2007-03-24 20:57:11 -07004941 tp->last_tag = 0;
4942 smp_mb();
4943 synchronize_irq(tp->pdev->irq);
4944
Linus Torvalds1da177e2005-04-16 15:20:36 -07004945 /* do the reset */
4946 val = GRC_MISC_CFG_CORECLK_RESET;
4947
4948 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4949 if (tr32(0x7e2c) == 0x60) {
4950 tw32(0x7e2c, 0x20);
4951 }
4952 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
4953 tw32(GRC_MISC_CFG, (1 << 29));
4954 val |= (1 << 29);
4955 }
4956 }
4957
Michael Chanb5d37722006-09-27 16:06:21 -07004958 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
4959 tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET);
4960 tw32(GRC_VCPU_EXT_CTRL,
4961 tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
4962 }
4963
Linus Torvalds1da177e2005-04-16 15:20:36 -07004964 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
4965 val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
4966 tw32(GRC_MISC_CFG, val);
4967
Michael Chan1ee582d2005-08-09 20:16:46 -07004968 /* restore 5701 hardware bug workaround write method */
4969 tp->write32 = write_op;
Linus Torvalds1da177e2005-04-16 15:20:36 -07004970
4971 /* Unfortunately, we have to delay before the PCI read back.
4972 * Some 575X chips even will not respond to a PCI cfg access
4973 * when the reset command is given to the chip.
4974 *
4975 * How do these hardware designers expect things to work
4976 * properly if the PCI write is posted for a long period
4977 * of time? It is always necessary to have some method by
4978 * which a register read back can occur to push the write
4979 * out which does the reset.
4980 *
4981 * For most tg3 variants the trick below was working.
4982 * Ho hum...
4983 */
4984 udelay(120);
4985
4986 /* Flush PCI posted writes. The normal MMIO registers
4987 * are inaccessible at this time so this is the only
4988 * way to make this reliably (actually, this is no longer
4989 * the case, see above). I tried to use indirect
4990 * register read/write but this upset some 5701 variants.
4991 */
4992 pci_read_config_dword(tp->pdev, PCI_COMMAND, &val);
4993
4994 udelay(120);
4995
4996 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
4997 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) {
4998 int i;
4999 u32 cfg_val;
5000
5001 /* Wait for link training to complete. */
5002 for (i = 0; i < 5000; i++)
5003 udelay(100);
5004
5005 pci_read_config_dword(tp->pdev, 0xc4, &cfg_val);
5006 pci_write_config_dword(tp->pdev, 0xc4,
5007 cfg_val | (1 << 15));
5008 }
5009 /* Set PCIE max payload size and clear error status. */
5010 pci_write_config_dword(tp->pdev, 0xd8, 0xf5000);
5011 }
5012
Michael Chanee6a99b2007-07-18 21:49:10 -07005013 tg3_restore_pci_state(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005014
Michael Chand18edcb2007-03-24 20:57:11 -07005015 tp->tg3_flags &= ~TG3_FLAG_CHIP_RESETTING;
5016
Michael Chanee6a99b2007-07-18 21:49:10 -07005017 val = 0;
5018 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
Michael Chan4cf78e42005-07-25 12:29:19 -07005019 val = tr32(MEMARB_MODE);
Michael Chanee6a99b2007-07-18 21:49:10 -07005020 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005021
5022 if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) {
5023 tg3_stop_fw(tp);
5024 tw32(0x5000, 0x400);
5025 }
5026
5027 tw32(GRC_MODE, tp->grc_mode);
5028
5029 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
5030 u32 val = tr32(0xc4);
5031
5032 tw32(0xc4, val | (1 << 15));
5033 }
5034
5035 if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 &&
5036 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5037 tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE;
5038 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)
5039 tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN;
5040 tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
5041 }
5042
5043 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
5044 tp->mac_mode = MAC_MODE_PORT_MODE_TBI;
5045 tw32_f(MAC_MODE, tp->mac_mode);
Michael Chan747e8f82005-07-25 12:33:22 -07005046 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
5047 tp->mac_mode = MAC_MODE_PORT_MODE_GMII;
5048 tw32_f(MAC_MODE, tp->mac_mode);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005049 } else
5050 tw32_f(MAC_MODE, 0);
5051 udelay(40);
5052
Michael Chan7a6f4362006-09-27 16:03:31 -07005053 err = tg3_poll_fw(tp);
5054 if (err)
5055 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005056
5057 if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
5058 tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) {
5059 u32 val = tr32(0x7c00);
5060
5061 tw32(0x7c00, val | (1 << 25));
5062 }
5063
5064 /* Reprobe ASF enable state. */
5065 tp->tg3_flags &= ~TG3_FLAG_ENABLE_ASF;
5066 tp->tg3_flags2 &= ~TG3_FLG2_ASF_NEW_HANDSHAKE;
5067 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
5068 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
5069 u32 nic_cfg;
5070
5071 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
5072 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
5073 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
John W. Linvillecbf46852005-04-21 17:01:29 -07005074 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005075 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
5076 }
5077 }
5078
5079 return 0;
5080}
5081
5082/* tp->lock is held. */
5083static void tg3_stop_fw(struct tg3 *tp)
5084{
5085 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
5086 u32 val;
5087 int i;
5088
5089 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
5090 val = tr32(GRC_RX_CPU_EVENT);
5091 val |= (1 << 14);
5092 tw32(GRC_RX_CPU_EVENT, val);
5093
5094 /* Wait for RX cpu to ACK the event. */
5095 for (i = 0; i < 100; i++) {
5096 if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14)))
5097 break;
5098 udelay(1);
5099 }
5100 }
5101}
5102
5103/* tp->lock is held. */
Michael Chan944d9802005-05-29 14:57:48 -07005104static int tg3_halt(struct tg3 *tp, int kind, int silent)
Linus Torvalds1da177e2005-04-16 15:20:36 -07005105{
5106 int err;
5107
5108 tg3_stop_fw(tp);
5109
Michael Chan944d9802005-05-29 14:57:48 -07005110 tg3_write_sig_pre_reset(tp, kind);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005111
David S. Millerb3b7d6b2005-05-05 14:40:20 -07005112 tg3_abort_hw(tp, silent);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005113 err = tg3_chip_reset(tp);
5114
Michael Chan944d9802005-05-29 14:57:48 -07005115 tg3_write_sig_legacy(tp, kind);
5116 tg3_write_sig_post_reset(tp, kind);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005117
5118 if (err)
5119 return err;
5120
5121 return 0;
5122}
5123
5124#define TG3_FW_RELEASE_MAJOR 0x0
5125#define TG3_FW_RELASE_MINOR 0x0
5126#define TG3_FW_RELEASE_FIX 0x0
5127#define TG3_FW_START_ADDR 0x08000000
5128#define TG3_FW_TEXT_ADDR 0x08000000
5129#define TG3_FW_TEXT_LEN 0x9c0
5130#define TG3_FW_RODATA_ADDR 0x080009c0
5131#define TG3_FW_RODATA_LEN 0x60
5132#define TG3_FW_DATA_ADDR 0x08000a40
5133#define TG3_FW_DATA_LEN 0x20
5134#define TG3_FW_SBSS_ADDR 0x08000a60
5135#define TG3_FW_SBSS_LEN 0xc
5136#define TG3_FW_BSS_ADDR 0x08000a70
5137#define TG3_FW_BSS_LEN 0x10
5138
Andreas Mohr50da8592006-08-14 23:54:30 -07005139static const u32 tg3FwText[(TG3_FW_TEXT_LEN / sizeof(u32)) + 1] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005140 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c1d0800,
5141 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100000, 0x0e000018, 0x00000000,
5142 0x0000000d, 0x3c1d0800, 0x37bd3ffc, 0x03a0f021, 0x3c100800, 0x26100034,
5143 0x0e00021c, 0x00000000, 0x0000000d, 0x00000000, 0x00000000, 0x00000000,
5144 0x27bdffe0, 0x3c1cc000, 0xafbf0018, 0xaf80680c, 0x0e00004c, 0x241b2105,
5145 0x97850000, 0x97870002, 0x9782002c, 0x9783002e, 0x3c040800, 0x248409c0,
5146 0xafa00014, 0x00021400, 0x00621825, 0x00052c00, 0xafa30010, 0x8f860010,
5147 0x00e52825, 0x0e000060, 0x24070102, 0x3c02ac00, 0x34420100, 0x3c03ac01,
5148 0x34630100, 0xaf820490, 0x3c02ffff, 0xaf820494, 0xaf830498, 0xaf82049c,
5149 0x24020001, 0xaf825ce0, 0x0e00003f, 0xaf825d00, 0x0e000140, 0x00000000,
5150 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x2402ffff, 0xaf825404, 0x8f835400,
5151 0x34630400, 0xaf835400, 0xaf825404, 0x3c020800, 0x24420034, 0xaf82541c,
5152 0x03e00008, 0xaf805400, 0x00000000, 0x00000000, 0x3c020800, 0x34423000,
5153 0x3c030800, 0x34633000, 0x3c040800, 0x348437ff, 0x3c010800, 0xac220a64,
5154 0x24020040, 0x3c010800, 0xac220a68, 0x3c010800, 0xac200a60, 0xac600000,
5155 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5156 0x00804821, 0x8faa0010, 0x3c020800, 0x8c420a60, 0x3c040800, 0x8c840a68,
5157 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010800, 0xac230a60, 0x14400003,
5158 0x00004021, 0x3c010800, 0xac200a60, 0x3c020800, 0x8c420a60, 0x3c030800,
5159 0x8c630a64, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5160 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020800, 0x8c420a60,
5161 0x3c030800, 0x8c630a64, 0x8f84680c, 0x00021140, 0x00431021, 0xac440008,
5162 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5163 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5164 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5165 0, 0, 0, 0, 0, 0,
5166 0x02000008, 0x00000000, 0x0a0001e3, 0x3c0a0001, 0x0a0001e3, 0x3c0a0002,
5167 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5168 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5169 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5170 0x0a0001e3, 0x3c0a0007, 0x0a0001e3, 0x3c0a0008, 0x0a0001e3, 0x3c0a0009,
5171 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000b,
5172 0x0a0001e3, 0x3c0a000c, 0x0a0001e3, 0x3c0a000d, 0x0a0001e3, 0x00000000,
5173 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a000e, 0x0a0001e3, 0x00000000,
5174 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5175 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x00000000,
5176 0x0a0001e3, 0x00000000, 0x0a0001e3, 0x3c0a0013, 0x0a0001e3, 0x3c0a0014,
5177 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5178 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5179 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5180 0x27bdffe0, 0x00001821, 0x00001021, 0xafbf0018, 0xafb10014, 0xafb00010,
5181 0x3c010800, 0x00220821, 0xac200a70, 0x3c010800, 0x00220821, 0xac200a74,
5182 0x3c010800, 0x00220821, 0xac200a78, 0x24630001, 0x1860fff5, 0x2442000c,
5183 0x24110001, 0x8f906810, 0x32020004, 0x14400005, 0x24040001, 0x3c020800,
5184 0x8c420a78, 0x18400003, 0x00002021, 0x0e000182, 0x00000000, 0x32020001,
5185 0x10400003, 0x00000000, 0x0e000169, 0x00000000, 0x0a000153, 0xaf915028,
5186 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020, 0x3c050800,
5187 0x8ca50a70, 0x3c060800, 0x8cc60a80, 0x3c070800, 0x8ce70a78, 0x27bdffe0,
5188 0x3c040800, 0x248409d0, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014,
5189 0x0e00017b, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x24020001,
5190 0x8f836810, 0x00821004, 0x00021027, 0x00621824, 0x03e00008, 0xaf836810,
5191 0x27bdffd8, 0xafbf0024, 0x1080002e, 0xafb00020, 0x8f825cec, 0xafa20018,
5192 0x8f825cec, 0x3c100800, 0x26100a78, 0xafa2001c, 0x34028000, 0xaf825cec,
5193 0x8e020000, 0x18400016, 0x00000000, 0x3c020800, 0x94420a74, 0x8fa3001c,
5194 0x000221c0, 0xac830004, 0x8fa2001c, 0x3c010800, 0x0e000201, 0xac220a74,
5195 0x10400005, 0x00000000, 0x8e020000, 0x24420001, 0x0a0001df, 0xae020000,
5196 0x3c020800, 0x8c420a70, 0x00021c02, 0x000321c0, 0x0a0001c5, 0xafa2001c,
5197 0x0e000201, 0x00000000, 0x1040001f, 0x00000000, 0x8e020000, 0x8fa3001c,
5198 0x24420001, 0x3c010800, 0xac230a70, 0x3c010800, 0xac230a74, 0x0a0001df,
5199 0xae020000, 0x3c100800, 0x26100a78, 0x8e020000, 0x18400028, 0x00000000,
5200 0x0e000201, 0x00000000, 0x14400024, 0x00000000, 0x8e020000, 0x3c030800,
5201 0x8c630a70, 0x2442ffff, 0xafa3001c, 0x18400006, 0xae020000, 0x00031402,
5202 0x000221c0, 0x8c820004, 0x3c010800, 0xac220a70, 0x97a2001e, 0x2442ff00,
5203 0x2c420300, 0x1440000b, 0x24024000, 0x3c040800, 0x248409dc, 0xafa00010,
5204 0xafa00014, 0x8fa6001c, 0x24050008, 0x0e000060, 0x00003821, 0x0a0001df,
5205 0x00000000, 0xaf825cf8, 0x3c020800, 0x8c420a40, 0x8fa3001c, 0x24420001,
5206 0xaf835cf8, 0x3c010800, 0xac220a40, 0x8fbf0024, 0x8fb00020, 0x03e00008,
5207 0x27bd0028, 0x27bdffe0, 0x3c040800, 0x248409e8, 0x00002821, 0x00003021,
5208 0x00003821, 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x8fbf0018,
5209 0x03e00008, 0x27bd0020, 0x8f82680c, 0x8f85680c, 0x00021827, 0x0003182b,
5210 0x00031823, 0x00431024, 0x00441021, 0x00a2282b, 0x10a00006, 0x00000000,
5211 0x00401821, 0x8f82680c, 0x0043102b, 0x1440fffd, 0x00000000, 0x03e00008,
5212 0x00000000, 0x3c040800, 0x8c840000, 0x3c030800, 0x8c630a40, 0x0064102b,
5213 0x54400002, 0x00831023, 0x00641023, 0x2c420008, 0x03e00008, 0x38420001,
5214 0x27bdffe0, 0x00802821, 0x3c040800, 0x24840a00, 0x00003021, 0x00003821,
5215 0xafbf0018, 0xafa00010, 0x0e000060, 0xafa00014, 0x0a000216, 0x00000000,
5216 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000, 0x27bdffe0, 0x3c1cc000,
5217 0xafbf0018, 0x0e00004c, 0xaf80680c, 0x3c040800, 0x24840a10, 0x03802821,
5218 0x00003021, 0x00003821, 0xafa00010, 0x0e000060, 0xafa00014, 0x2402ffff,
5219 0xaf825404, 0x3c0200aa, 0x0e000234, 0xaf825434, 0x8fbf0018, 0x03e00008,
5220 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe8, 0xafb00010,
5221 0x24100001, 0xafbf0014, 0x3c01c003, 0xac200000, 0x8f826810, 0x30422000,
5222 0x10400003, 0x00000000, 0x0e000246, 0x00000000, 0x0a00023a, 0xaf905428,
5223 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x27bdfff8, 0x8f845d0c,
5224 0x3c0200ff, 0x3c030800, 0x8c630a50, 0x3442fff8, 0x00821024, 0x1043001e,
5225 0x3c0500ff, 0x34a5fff8, 0x3c06c003, 0x3c074000, 0x00851824, 0x8c620010,
5226 0x3c010800, 0xac230a50, 0x30420008, 0x10400005, 0x00871025, 0x8cc20000,
5227 0x24420001, 0xacc20000, 0x00871025, 0xaf825d0c, 0x8fa20000, 0x24420001,
5228 0xafa20000, 0x8fa20000, 0x8fa20000, 0x24420001, 0xafa20000, 0x8fa20000,
5229 0x8f845d0c, 0x3c030800, 0x8c630a50, 0x00851024, 0x1443ffe8, 0x00851824,
5230 0x27bd0008, 0x03e00008, 0x00000000, 0x00000000, 0x00000000
5231};
5232
Andreas Mohr50da8592006-08-14 23:54:30 -07005233static const u32 tg3FwRodata[(TG3_FW_RODATA_LEN / sizeof(u32)) + 1] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005234 0x35373031, 0x726c7341, 0x00000000, 0x00000000, 0x53774576, 0x656e7430,
5235 0x00000000, 0x726c7045, 0x76656e74, 0x31000000, 0x556e6b6e, 0x45766e74,
5236 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5237 0x00000000, 0x00000000, 0x4d61696e, 0x43707542, 0x00000000, 0x00000000,
5238 0x00000000
5239};
5240
5241#if 0 /* All zeros, don't eat up space with it. */
5242u32 tg3FwData[(TG3_FW_DATA_LEN / sizeof(u32)) + 1] = {
5243 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5244 0x00000000, 0x00000000, 0x00000000, 0x00000000
5245};
5246#endif
5247
5248#define RX_CPU_SCRATCH_BASE 0x30000
5249#define RX_CPU_SCRATCH_SIZE 0x04000
5250#define TX_CPU_SCRATCH_BASE 0x34000
5251#define TX_CPU_SCRATCH_SIZE 0x04000
5252
5253/* tp->lock is held. */
5254static int tg3_halt_cpu(struct tg3 *tp, u32 offset)
5255{
5256 int i;
5257
Eric Sesterhenn5d9428d2006-04-02 13:52:48 +02005258 BUG_ON(offset == TX_CPU_BASE &&
5259 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS));
Linus Torvalds1da177e2005-04-16 15:20:36 -07005260
Michael Chanb5d37722006-09-27 16:06:21 -07005261 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
5262 u32 val = tr32(GRC_VCPU_EXT_CTRL);
5263
5264 tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU);
5265 return 0;
5266 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07005267 if (offset == RX_CPU_BASE) {
5268 for (i = 0; i < 10000; i++) {
5269 tw32(offset + CPU_STATE, 0xffffffff);
5270 tw32(offset + CPU_MODE, CPU_MODE_HALT);
5271 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5272 break;
5273 }
5274
5275 tw32(offset + CPU_STATE, 0xffffffff);
5276 tw32_f(offset + CPU_MODE, CPU_MODE_HALT);
5277 udelay(10);
5278 } else {
5279 for (i = 0; i < 10000; i++) {
5280 tw32(offset + CPU_STATE, 0xffffffff);
5281 tw32(offset + CPU_MODE, CPU_MODE_HALT);
5282 if (tr32(offset + CPU_MODE) & CPU_MODE_HALT)
5283 break;
5284 }
5285 }
5286
5287 if (i >= 10000) {
5288 printk(KERN_ERR PFX "tg3_reset_cpu timed out for %s, "
5289 "and %s CPU\n",
5290 tp->dev->name,
5291 (offset == RX_CPU_BASE ? "RX" : "TX"));
5292 return -ENODEV;
5293 }
Michael Chanec41c7d2006-01-17 02:40:55 -08005294
5295 /* Clear firmware's nvram arbitration. */
5296 if (tp->tg3_flags & TG3_FLAG_NVRAM)
5297 tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005298 return 0;
5299}
5300
5301struct fw_info {
5302 unsigned int text_base;
5303 unsigned int text_len;
Andreas Mohr50da8592006-08-14 23:54:30 -07005304 const u32 *text_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005305 unsigned int rodata_base;
5306 unsigned int rodata_len;
Andreas Mohr50da8592006-08-14 23:54:30 -07005307 const u32 *rodata_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005308 unsigned int data_base;
5309 unsigned int data_len;
Andreas Mohr50da8592006-08-14 23:54:30 -07005310 const u32 *data_data;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005311};
5312
5313/* tp->lock is held. */
5314static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base,
5315 int cpu_scratch_size, struct fw_info *info)
5316{
Michael Chanec41c7d2006-01-17 02:40:55 -08005317 int err, lock_err, i;
Linus Torvalds1da177e2005-04-16 15:20:36 -07005318 void (*write_op)(struct tg3 *, u32, u32);
5319
5320 if (cpu_base == TX_CPU_BASE &&
5321 (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
5322 printk(KERN_ERR PFX "tg3_load_firmware_cpu: Trying to load "
5323 "TX cpu firmware on %s which is 5705.\n",
5324 tp->dev->name);
5325 return -EINVAL;
5326 }
5327
5328 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
5329 write_op = tg3_write_mem;
5330 else
5331 write_op = tg3_write_indirect_reg32;
5332
Michael Chan1b628152005-05-29 14:59:49 -07005333 /* It is possible that bootcode is still loading at this point.
5334 * Get the nvram lock first before halting the cpu.
5335 */
Michael Chanec41c7d2006-01-17 02:40:55 -08005336 lock_err = tg3_nvram_lock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005337 err = tg3_halt_cpu(tp, cpu_base);
Michael Chanec41c7d2006-01-17 02:40:55 -08005338 if (!lock_err)
5339 tg3_nvram_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07005340 if (err)
5341 goto out;
5342
5343 for (i = 0; i < cpu_scratch_size; i += sizeof(u32))
5344 write_op(tp, cpu_scratch_base + i, 0);
5345 tw32(cpu_base + CPU_STATE, 0xffffffff);
5346 tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT);
5347 for (i = 0; i < (info->text_len / sizeof(u32)); i++)
5348 write_op(tp, (cpu_scratch_base +
5349 (info->text_base & 0xffff) +
5350 (i * sizeof(u32))),
5351 (info->text_data ?
5352 info->text_data[i] : 0));
5353 for (i = 0; i < (info->rodata_len / sizeof(u32)); i++)
5354 write_op(tp, (cpu_scratch_base +
5355 (info->rodata_base & 0xffff) +
5356 (i * sizeof(u32))),
5357 (info->rodata_data ?
5358 info->rodata_data[i] : 0));
5359 for (i = 0; i < (info->data_len / sizeof(u32)); i++)
5360 write_op(tp, (cpu_scratch_base +
5361 (info->data_base & 0xffff) +
5362 (i * sizeof(u32))),
5363 (info->data_data ?
5364 info->data_data[i] : 0));
5365
5366 err = 0;
5367
5368out:
Linus Torvalds1da177e2005-04-16 15:20:36 -07005369 return err;
5370}
5371
5372/* tp->lock is held. */
5373static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp)
5374{
5375 struct fw_info info;
5376 int err, i;
5377
5378 info.text_base = TG3_FW_TEXT_ADDR;
5379 info.text_len = TG3_FW_TEXT_LEN;
5380 info.text_data = &tg3FwText[0];
5381 info.rodata_base = TG3_FW_RODATA_ADDR;
5382 info.rodata_len = TG3_FW_RODATA_LEN;
5383 info.rodata_data = &tg3FwRodata[0];
5384 info.data_base = TG3_FW_DATA_ADDR;
5385 info.data_len = TG3_FW_DATA_LEN;
5386 info.data_data = NULL;
5387
5388 err = tg3_load_firmware_cpu(tp, RX_CPU_BASE,
5389 RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE,
5390 &info);
5391 if (err)
5392 return err;
5393
5394 err = tg3_load_firmware_cpu(tp, TX_CPU_BASE,
5395 TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE,
5396 &info);
5397 if (err)
5398 return err;
5399
5400 /* Now startup only the RX cpu. */
5401 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5402 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
5403
5404 for (i = 0; i < 5; i++) {
5405 if (tr32(RX_CPU_BASE + CPU_PC) == TG3_FW_TEXT_ADDR)
5406 break;
5407 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5408 tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT);
5409 tw32_f(RX_CPU_BASE + CPU_PC, TG3_FW_TEXT_ADDR);
5410 udelay(1000);
5411 }
5412 if (i >= 5) {
5413 printk(KERN_ERR PFX "tg3_load_firmware fails for %s "
5414 "to set RX CPU PC, is %08x should be %08x\n",
5415 tp->dev->name, tr32(RX_CPU_BASE + CPU_PC),
5416 TG3_FW_TEXT_ADDR);
5417 return -ENODEV;
5418 }
5419 tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff);
5420 tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000);
5421
5422 return 0;
5423}
5424
Linus Torvalds1da177e2005-04-16 15:20:36 -07005425
5426#define TG3_TSO_FW_RELEASE_MAJOR 0x1
5427#define TG3_TSO_FW_RELASE_MINOR 0x6
5428#define TG3_TSO_FW_RELEASE_FIX 0x0
5429#define TG3_TSO_FW_START_ADDR 0x08000000
5430#define TG3_TSO_FW_TEXT_ADDR 0x08000000
5431#define TG3_TSO_FW_TEXT_LEN 0x1aa0
5432#define TG3_TSO_FW_RODATA_ADDR 0x08001aa0
5433#define TG3_TSO_FW_RODATA_LEN 0x60
5434#define TG3_TSO_FW_DATA_ADDR 0x08001b20
5435#define TG3_TSO_FW_DATA_LEN 0x30
5436#define TG3_TSO_FW_SBSS_ADDR 0x08001b50
5437#define TG3_TSO_FW_SBSS_LEN 0x2c
5438#define TG3_TSO_FW_BSS_ADDR 0x08001b80
5439#define TG3_TSO_FW_BSS_LEN 0x894
5440
Andreas Mohr50da8592006-08-14 23:54:30 -07005441static const u32 tg3TsoFwText[(TG3_TSO_FW_TEXT_LEN / 4) + 1] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005442 0x0e000003, 0x00000000, 0x08001b24, 0x00000000, 0x10000003, 0x00000000,
5443 0x0000000d, 0x0000000d, 0x3c1d0800, 0x37bd4000, 0x03a0f021, 0x3c100800,
5444 0x26100000, 0x0e000010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5445 0xafbf0018, 0x0e0005d8, 0x34840002, 0x0e000668, 0x00000000, 0x3c030800,
5446 0x90631b68, 0x24020002, 0x3c040800, 0x24841aac, 0x14620003, 0x24050001,
5447 0x3c040800, 0x24841aa0, 0x24060006, 0x00003821, 0xafa00010, 0x0e00067c,
5448 0xafa00014, 0x8f625c50, 0x34420001, 0xaf625c50, 0x8f625c90, 0x34420001,
5449 0xaf625c90, 0x2402ffff, 0x0e000034, 0xaf625404, 0x8fbf0018, 0x03e00008,
5450 0x27bd0020, 0x00000000, 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c,
5451 0xafb20018, 0xafb10014, 0x0e00005b, 0xafb00010, 0x24120002, 0x24110001,
5452 0x8f706820, 0x32020100, 0x10400003, 0x00000000, 0x0e0000bb, 0x00000000,
5453 0x8f706820, 0x32022000, 0x10400004, 0x32020001, 0x0e0001f0, 0x24040001,
5454 0x32020001, 0x10400003, 0x00000000, 0x0e0000a3, 0x00000000, 0x3c020800,
5455 0x90421b98, 0x14520003, 0x00000000, 0x0e0004c0, 0x00000000, 0x0a00003c,
5456 0xaf715028, 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008,
5457 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ac0, 0x00002821, 0x00003021,
5458 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x3c040800,
5459 0x248423d8, 0xa4800000, 0x3c010800, 0xa0201b98, 0x3c010800, 0xac201b9c,
5460 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5461 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bbc, 0x8f624434, 0x3c010800,
5462 0xac221b88, 0x8f624438, 0x3c010800, 0xac221b8c, 0x8f624410, 0xac80f7a8,
5463 0x3c010800, 0xac201b84, 0x3c010800, 0xac2023e0, 0x3c010800, 0xac2023c8,
5464 0x3c010800, 0xac2023cc, 0x3c010800, 0xac202400, 0x3c010800, 0xac221b90,
5465 0x8f620068, 0x24030007, 0x00021702, 0x10430005, 0x00000000, 0x8f620068,
5466 0x00021702, 0x14400004, 0x24020001, 0x3c010800, 0x0a000097, 0xac20240c,
5467 0xac820034, 0x3c040800, 0x24841acc, 0x3c050800, 0x8ca5240c, 0x00003021,
5468 0x00003821, 0xafa00010, 0x0e00067c, 0xafa00014, 0x8fbf0018, 0x03e00008,
5469 0x27bd0020, 0x27bdffe0, 0x3c040800, 0x24841ad8, 0x00002821, 0x00003021,
5470 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014, 0x0e00005b,
5471 0x00000000, 0x0e0000b4, 0x00002021, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5472 0x24020001, 0x8f636820, 0x00821004, 0x00021027, 0x00621824, 0x03e00008,
5473 0xaf636820, 0x27bdffd0, 0xafbf002c, 0xafb60028, 0xafb50024, 0xafb40020,
5474 0xafb3001c, 0xafb20018, 0xafb10014, 0xafb00010, 0x8f675c5c, 0x3c030800,
5475 0x24631bbc, 0x8c620000, 0x14470005, 0x3c0200ff, 0x3c020800, 0x90421b98,
5476 0x14400119, 0x3c0200ff, 0x3442fff8, 0x00e28824, 0xac670000, 0x00111902,
5477 0x306300ff, 0x30e20003, 0x000211c0, 0x00622825, 0x00a04021, 0x00071602,
5478 0x3c030800, 0x90631b98, 0x3044000f, 0x14600036, 0x00804821, 0x24020001,
5479 0x3c010800, 0xa0221b98, 0x00051100, 0x00821025, 0x3c010800, 0xac201b9c,
5480 0x3c010800, 0xac201ba0, 0x3c010800, 0xac201ba4, 0x3c010800, 0xac201bac,
5481 0x3c010800, 0xac201bb8, 0x3c010800, 0xac201bb0, 0x3c010800, 0xac201bb4,
5482 0x3c010800, 0xa42223d8, 0x9622000c, 0x30437fff, 0x3c010800, 0xa4222410,
5483 0x30428000, 0x3c010800, 0xa4231bc6, 0x10400005, 0x24020001, 0x3c010800,
5484 0xac2223f4, 0x0a000102, 0x2406003e, 0x24060036, 0x3c010800, 0xac2023f4,
5485 0x9622000a, 0x3c030800, 0x94631bc6, 0x3c010800, 0xac2023f0, 0x3c010800,
5486 0xac2023f8, 0x00021302, 0x00021080, 0x00c21021, 0x00621821, 0x3c010800,
5487 0xa42223d0, 0x3c010800, 0x0a000115, 0xa4231b96, 0x9622000c, 0x3c010800,
5488 0xa42223ec, 0x3c040800, 0x24841b9c, 0x8c820000, 0x00021100, 0x3c010800,
5489 0x00220821, 0xac311bc8, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5490 0xac271bcc, 0x8c820000, 0x25030001, 0x306601ff, 0x00021100, 0x3c010800,
5491 0x00220821, 0xac261bd0, 0x8c820000, 0x00021100, 0x3c010800, 0x00220821,
5492 0xac291bd4, 0x96230008, 0x3c020800, 0x8c421bac, 0x00432821, 0x3c010800,
5493 0xac251bac, 0x9622000a, 0x30420004, 0x14400018, 0x00061100, 0x8f630c14,
5494 0x3063000f, 0x2c620002, 0x1440000b, 0x3c02c000, 0x8f630c14, 0x3c020800,
5495 0x8c421b40, 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002,
5496 0x1040fff7, 0x3c02c000, 0x00e21825, 0xaf635c5c, 0x8f625c50, 0x30420002,
5497 0x10400014, 0x00000000, 0x0a000147, 0x00000000, 0x3c030800, 0x8c631b80,
5498 0x3c040800, 0x94841b94, 0x01221025, 0x3c010800, 0xa42223da, 0x24020001,
5499 0x3c010800, 0xac221bb8, 0x24630001, 0x0085202a, 0x3c010800, 0x10800003,
5500 0xac231b80, 0x3c010800, 0xa4251b94, 0x3c060800, 0x24c61b9c, 0x8cc20000,
5501 0x24420001, 0xacc20000, 0x28420080, 0x14400005, 0x00000000, 0x0e000656,
5502 0x24040002, 0x0a0001e6, 0x00000000, 0x3c020800, 0x8c421bb8, 0x10400078,
5503 0x24020001, 0x3c050800, 0x90a51b98, 0x14a20072, 0x00000000, 0x3c150800,
5504 0x96b51b96, 0x3c040800, 0x8c841bac, 0x32a3ffff, 0x0083102a, 0x1440006c,
5505 0x00000000, 0x14830003, 0x00000000, 0x3c010800, 0xac2523f0, 0x1060005c,
5506 0x00009021, 0x24d60004, 0x0060a021, 0x24d30014, 0x8ec20000, 0x00028100,
5507 0x3c110800, 0x02308821, 0x0e000625, 0x8e311bc8, 0x00402821, 0x10a00054,
5508 0x00000000, 0x9628000a, 0x31020040, 0x10400005, 0x2407180c, 0x8e22000c,
5509 0x2407188c, 0x00021400, 0xaca20018, 0x3c030800, 0x00701821, 0x8c631bd0,
5510 0x3c020800, 0x00501021, 0x8c421bd4, 0x00031d00, 0x00021400, 0x00621825,
5511 0xaca30014, 0x8ec30004, 0x96220008, 0x00432023, 0x3242ffff, 0x3083ffff,
5512 0x00431021, 0x0282102a, 0x14400002, 0x02b23023, 0x00803021, 0x8e620000,
5513 0x30c4ffff, 0x00441021, 0xae620000, 0x8e220000, 0xaca20000, 0x8e220004,
5514 0x8e63fff4, 0x00431021, 0xaca20004, 0xa4a6000e, 0x8e62fff4, 0x00441021,
5515 0xae62fff4, 0x96230008, 0x0043102a, 0x14400005, 0x02469021, 0x8e62fff0,
5516 0xae60fff4, 0x24420001, 0xae62fff0, 0xaca00008, 0x3242ffff, 0x14540008,
5517 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x24020905, 0xa4a2000c,
5518 0x0a0001cb, 0x34e70020, 0xa4a2000c, 0x3c020800, 0x8c4223f0, 0x10400003,
5519 0x3c024b65, 0x0a0001d3, 0x34427654, 0x3c02b49a, 0x344289ab, 0xaca2001c,
5520 0x30e2ffff, 0xaca20010, 0x0e0005a2, 0x00a02021, 0x3242ffff, 0x0054102b,
5521 0x1440ffa9, 0x00000000, 0x24020002, 0x3c010800, 0x0a0001e6, 0xa0221b98,
5522 0x8ec2083c, 0x24420001, 0x0a0001e6, 0xaec2083c, 0x0e0004c0, 0x00000000,
5523 0x8fbf002c, 0x8fb60028, 0x8fb50024, 0x8fb40020, 0x8fb3001c, 0x8fb20018,
5524 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0030, 0x27bdffd0, 0xafbf0028,
5525 0xafb30024, 0xafb20020, 0xafb1001c, 0xafb00018, 0x8f725c9c, 0x3c0200ff,
5526 0x3442fff8, 0x3c070800, 0x24e71bb4, 0x02428824, 0x9623000e, 0x8ce20000,
5527 0x00431021, 0xace20000, 0x8e220010, 0x30420020, 0x14400011, 0x00809821,
5528 0x0e00063b, 0x02202021, 0x3c02c000, 0x02421825, 0xaf635c9c, 0x8f625c90,
5529 0x30420002, 0x1040011e, 0x00000000, 0xaf635c9c, 0x8f625c90, 0x30420002,
5530 0x10400119, 0x00000000, 0x0a00020d, 0x00000000, 0x8e240008, 0x8e230014,
5531 0x00041402, 0x000231c0, 0x00031502, 0x304201ff, 0x2442ffff, 0x3042007f,
5532 0x00031942, 0x30637800, 0x00021100, 0x24424000, 0x00624821, 0x9522000a,
5533 0x3084ffff, 0x30420008, 0x104000b0, 0x000429c0, 0x3c020800, 0x8c422400,
5534 0x14400024, 0x24c50008, 0x94c20014, 0x3c010800, 0xa42223d0, 0x8cc40010,
5535 0x00041402, 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42423d4, 0x94c2000e,
5536 0x3083ffff, 0x00431023, 0x3c010800, 0xac222408, 0x94c2001a, 0x3c010800,
5537 0xac262400, 0x3c010800, 0xac322404, 0x3c010800, 0xac2223fc, 0x3c02c000,
5538 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e5, 0x00000000,
5539 0xaf635c9c, 0x8f625c90, 0x30420002, 0x104000e0, 0x00000000, 0x0a000246,
5540 0x00000000, 0x94c2000e, 0x3c030800, 0x946323d4, 0x00434023, 0x3103ffff,
5541 0x2c620008, 0x1040001c, 0x00000000, 0x94c20014, 0x24420028, 0x00a22821,
5542 0x00031042, 0x1840000b, 0x00002021, 0x24e60848, 0x00403821, 0x94a30000,
5543 0x8cc20000, 0x24840001, 0x00431021, 0xacc20000, 0x0087102a, 0x1440fff9,
5544 0x24a50002, 0x31020001, 0x1040001f, 0x3c024000, 0x3c040800, 0x248423fc,
5545 0xa0a00001, 0x94a30000, 0x8c820000, 0x00431021, 0x0a000285, 0xac820000,
5546 0x8f626800, 0x3c030010, 0x00431024, 0x10400009, 0x00000000, 0x94c2001a,
5547 0x3c030800, 0x8c6323fc, 0x00431021, 0x3c010800, 0xac2223fc, 0x0a000286,
5548 0x3c024000, 0x94c2001a, 0x94c4001c, 0x3c030800, 0x8c6323fc, 0x00441023,
5549 0x00621821, 0x3c010800, 0xac2323fc, 0x3c024000, 0x02421825, 0xaf635c9c,
5550 0x8f625c90, 0x30420002, 0x1440fffc, 0x00000000, 0x9522000a, 0x30420010,
5551 0x1040009b, 0x00000000, 0x3c030800, 0x946323d4, 0x3c070800, 0x24e72400,
5552 0x8ce40000, 0x8f626800, 0x24630030, 0x00832821, 0x3c030010, 0x00431024,
5553 0x1440000a, 0x00000000, 0x94a20004, 0x3c040800, 0x8c842408, 0x3c030800,
5554 0x8c6323fc, 0x00441023, 0x00621821, 0x3c010800, 0xac2323fc, 0x3c040800,
5555 0x8c8423fc, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402, 0x00822021,
5556 0x00041027, 0xa4a20006, 0x3c030800, 0x8c632404, 0x3c0200ff, 0x3442fff8,
5557 0x00628824, 0x96220008, 0x24050001, 0x24034000, 0x000231c0, 0x00801021,
5558 0xa4c2001a, 0xa4c0001c, 0xace00000, 0x3c010800, 0xac251b60, 0xaf635cb8,
5559 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000, 0x3c010800, 0xac201b60,
5560 0x8e220008, 0xaf625cb8, 0x8f625cb0, 0x30420002, 0x10400003, 0x00000000,
5561 0x3c010800, 0xac201b60, 0x3c020800, 0x8c421b60, 0x1040ffec, 0x00000000,
5562 0x3c040800, 0x0e00063b, 0x8c842404, 0x0a00032a, 0x00000000, 0x3c030800,
5563 0x90631b98, 0x24020002, 0x14620003, 0x3c034b65, 0x0a0002e1, 0x00008021,
5564 0x8e22001c, 0x34637654, 0x10430002, 0x24100002, 0x24100001, 0x00c02021,
5565 0x0e000350, 0x02003021, 0x24020003, 0x3c010800, 0xa0221b98, 0x24020002,
5566 0x1202000a, 0x24020001, 0x3c030800, 0x8c6323f0, 0x10620006, 0x00000000,
5567 0x3c020800, 0x944223d8, 0x00021400, 0x0a00031f, 0xae220014, 0x3c040800,
5568 0x248423da, 0x94820000, 0x00021400, 0xae220014, 0x3c020800, 0x8c421bbc,
5569 0x3c03c000, 0x3c010800, 0xa0201b98, 0x00431025, 0xaf625c5c, 0x8f625c50,
5570 0x30420002, 0x10400009, 0x00000000, 0x2484f7e2, 0x8c820000, 0x00431025,
5571 0xaf625c5c, 0x8f625c50, 0x30420002, 0x1440fffa, 0x00000000, 0x3c020800,
5572 0x24421b84, 0x8c430000, 0x24630001, 0xac430000, 0x8f630c14, 0x3063000f,
5573 0x2c620002, 0x1440000c, 0x3c024000, 0x8f630c14, 0x3c020800, 0x8c421b40,
5574 0x3063000f, 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7,
5575 0x00000000, 0x3c024000, 0x02421825, 0xaf635c9c, 0x8f625c90, 0x30420002,
5576 0x1440fffc, 0x00000000, 0x12600003, 0x00000000, 0x0e0004c0, 0x00000000,
5577 0x8fbf0028, 0x8fb30024, 0x8fb20020, 0x8fb1001c, 0x8fb00018, 0x03e00008,
5578 0x27bd0030, 0x8f634450, 0x3c040800, 0x24841b88, 0x8c820000, 0x00031c02,
5579 0x0043102b, 0x14400007, 0x3c038000, 0x8c840004, 0x8f624450, 0x00021c02,
5580 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5581 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3c024000,
5582 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00000000,
5583 0x03e00008, 0x00000000, 0x27bdffe0, 0x00805821, 0x14c00011, 0x256e0008,
5584 0x3c020800, 0x8c4223f4, 0x10400007, 0x24020016, 0x3c010800, 0xa42223d2,
5585 0x2402002a, 0x3c010800, 0x0a000364, 0xa42223d4, 0x8d670010, 0x00071402,
5586 0x3c010800, 0xa42223d2, 0x3c010800, 0xa42723d4, 0x3c040800, 0x948423d4,
5587 0x3c030800, 0x946323d2, 0x95cf0006, 0x3c020800, 0x944223d0, 0x00832023,
5588 0x01e2c023, 0x3065ffff, 0x24a20028, 0x01c24821, 0x3082ffff, 0x14c0001a,
5589 0x01226021, 0x9582000c, 0x3042003f, 0x3c010800, 0xa42223d6, 0x95820004,
5590 0x95830006, 0x3c010800, 0xac2023e4, 0x3c010800, 0xac2023e8, 0x00021400,
5591 0x00431025, 0x3c010800, 0xac221bc0, 0x95220004, 0x3c010800, 0xa4221bc4,
5592 0x95230002, 0x01e51023, 0x0043102a, 0x10400010, 0x24020001, 0x3c010800,
5593 0x0a000398, 0xac2223f8, 0x3c030800, 0x8c6323e8, 0x3c020800, 0x94421bc4,
5594 0x00431021, 0xa5220004, 0x3c020800, 0x94421bc0, 0xa5820004, 0x3c020800,
5595 0x8c421bc0, 0xa5820006, 0x3c020800, 0x8c4223f0, 0x3c0d0800, 0x8dad23e4,
5596 0x3c0a0800, 0x144000e5, 0x8d4a23e8, 0x3c020800, 0x94421bc4, 0x004a1821,
5597 0x3063ffff, 0x0062182b, 0x24020002, 0x10c2000d, 0x01435023, 0x3c020800,
5598 0x944223d6, 0x30420009, 0x10400008, 0x00000000, 0x9582000c, 0x3042fff6,
5599 0xa582000c, 0x3c020800, 0x944223d6, 0x30420009, 0x01a26823, 0x3c020800,
5600 0x8c4223f8, 0x1040004a, 0x01203821, 0x3c020800, 0x944223d2, 0x00004021,
5601 0xa520000a, 0x01e21023, 0xa5220002, 0x3082ffff, 0x00021042, 0x18400008,
5602 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021, 0x0103102a,
5603 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061402,
5604 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021, 0x2527000c,
5605 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004, 0x1440fffb,
5606 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023, 0x01803821,
5607 0x3082ffff, 0xa4e00010, 0x00621821, 0x00021042, 0x18400010, 0x00c33021,
5608 0x00404821, 0x94e20000, 0x24e70002, 0x00c23021, 0x30e2007f, 0x14400006,
5609 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80, 0x00625824, 0x25670008,
5610 0x0109102a, 0x1440fff3, 0x00000000, 0x30820001, 0x10400005, 0x00061c02,
5611 0xa0e00001, 0x94e20000, 0x00c23021, 0x00061c02, 0x30c2ffff, 0x00623021,
5612 0x00061402, 0x00c23021, 0x0a00047d, 0x30c6ffff, 0x24020002, 0x14c20081,
5613 0x00000000, 0x3c020800, 0x8c42240c, 0x14400007, 0x00000000, 0x3c020800,
5614 0x944223d2, 0x95230002, 0x01e21023, 0x10620077, 0x00000000, 0x3c020800,
5615 0x944223d2, 0x01e21023, 0xa5220002, 0x3c020800, 0x8c42240c, 0x1040001a,
5616 0x31e3ffff, 0x8dc70010, 0x3c020800, 0x94421b96, 0x00e04021, 0x00072c02,
5617 0x00aa2021, 0x00431023, 0x00823823, 0x00072402, 0x30e2ffff, 0x00823821,
5618 0x00071027, 0xa522000a, 0x3102ffff, 0x3c040800, 0x948423d4, 0x00453023,
5619 0x00e02821, 0x00641823, 0x006d1821, 0x00c33021, 0x00061c02, 0x30c2ffff,
5620 0x0a00047d, 0x00623021, 0x01203821, 0x00004021, 0x3082ffff, 0x00021042,
5621 0x18400008, 0x00003021, 0x00401821, 0x94e20000, 0x25080001, 0x00c23021,
5622 0x0103102a, 0x1440fffb, 0x24e70002, 0x00061c02, 0x30c2ffff, 0x00623021,
5623 0x00061402, 0x00c23021, 0x00c02821, 0x00061027, 0xa522000a, 0x00003021,
5624 0x2527000c, 0x00004021, 0x94e20000, 0x25080001, 0x00c23021, 0x2d020004,
5625 0x1440fffb, 0x24e70002, 0x95220002, 0x00004021, 0x91230009, 0x00442023,
5626 0x01803821, 0x3082ffff, 0xa4e00010, 0x3c040800, 0x948423d4, 0x00621821,
5627 0x00c33021, 0x00061c02, 0x30c2ffff, 0x00623021, 0x00061c02, 0x3c020800,
5628 0x944223d0, 0x00c34821, 0x00441023, 0x00021fc2, 0x00431021, 0x00021043,
5629 0x18400010, 0x00003021, 0x00402021, 0x94e20000, 0x24e70002, 0x00c23021,
5630 0x30e2007f, 0x14400006, 0x25080001, 0x8d630000, 0x3c02007f, 0x3442ff80,
5631 0x00625824, 0x25670008, 0x0104102a, 0x1440fff3, 0x00000000, 0x3c020800,
5632 0x944223ec, 0x00c23021, 0x3122ffff, 0x00c23021, 0x00061c02, 0x30c2ffff,
5633 0x00623021, 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010,
5634 0xadc00014, 0x0a00049d, 0xadc00000, 0x8dc70010, 0x00e04021, 0x11400007,
5635 0x00072c02, 0x00aa3021, 0x00061402, 0x30c3ffff, 0x00433021, 0x00061402,
5636 0x00c22821, 0x00051027, 0xa522000a, 0x3c030800, 0x946323d4, 0x3102ffff,
5637 0x01e21021, 0x00433023, 0x00cd3021, 0x00061c02, 0x30c2ffff, 0x00623021,
5638 0x00061402, 0x00c23021, 0x00c04021, 0x00061027, 0xa5820010, 0x3102ffff,
5639 0x00051c00, 0x00431025, 0xadc20010, 0x3c020800, 0x8c4223f4, 0x10400005,
5640 0x2de205eb, 0x14400002, 0x25e2fff2, 0x34028870, 0xa5c20034, 0x3c030800,
5641 0x246323e8, 0x8c620000, 0x24420001, 0xac620000, 0x3c040800, 0x8c8423e4,
5642 0x3c020800, 0x8c421bc0, 0x3303ffff, 0x00832021, 0x00431821, 0x0062102b,
5643 0x3c010800, 0xac2423e4, 0x10400003, 0x2482ffff, 0x3c010800, 0xac2223e4,
5644 0x3c010800, 0xac231bc0, 0x03e00008, 0x27bd0020, 0x27bdffb8, 0x3c050800,
5645 0x24a51b96, 0xafbf0044, 0xafbe0040, 0xafb7003c, 0xafb60038, 0xafb50034,
5646 0xafb40030, 0xafb3002c, 0xafb20028, 0xafb10024, 0xafb00020, 0x94a90000,
5647 0x3c020800, 0x944223d0, 0x3c030800, 0x8c631bb0, 0x3c040800, 0x8c841bac,
5648 0x01221023, 0x0064182a, 0xa7a9001e, 0x106000be, 0xa7a20016, 0x24be0022,
5649 0x97b6001e, 0x24b3001a, 0x24b70016, 0x8fc20000, 0x14400008, 0x00000000,
5650 0x8fc2fff8, 0x97a30016, 0x8fc4fff4, 0x00431021, 0x0082202a, 0x148000b0,
5651 0x00000000, 0x97d50818, 0x32a2ffff, 0x104000a3, 0x00009021, 0x0040a021,
5652 0x00008821, 0x0e000625, 0x00000000, 0x00403021, 0x14c00007, 0x00000000,
5653 0x3c020800, 0x8c4223dc, 0x24420001, 0x3c010800, 0x0a000596, 0xac2223dc,
5654 0x3c100800, 0x02118021, 0x8e101bc8, 0x9608000a, 0x31020040, 0x10400005,
5655 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x31020080,
5656 0x54400001, 0x34e70010, 0x3c020800, 0x00511021, 0x8c421bd0, 0x3c030800,
5657 0x00711821, 0x8c631bd4, 0x00021500, 0x00031c00, 0x00431025, 0xacc20014,
5658 0x96040008, 0x3242ffff, 0x00821021, 0x0282102a, 0x14400002, 0x02b22823,
5659 0x00802821, 0x8e020000, 0x02459021, 0xacc20000, 0x8e020004, 0x00c02021,
5660 0x26310010, 0xac820004, 0x30e2ffff, 0xac800008, 0xa485000e, 0xac820010,
5661 0x24020305, 0x0e0005a2, 0xa482000c, 0x3242ffff, 0x0054102b, 0x1440ffc5,
5662 0x3242ffff, 0x0a00058e, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5663 0x10400067, 0x00000000, 0x8e62fff0, 0x00028900, 0x3c100800, 0x02118021,
5664 0x0e000625, 0x8e101bc8, 0x00403021, 0x14c00005, 0x00000000, 0x8e62082c,
5665 0x24420001, 0x0a000596, 0xae62082c, 0x9608000a, 0x31020040, 0x10400005,
5666 0x2407180c, 0x8e02000c, 0x2407188c, 0x00021400, 0xacc20018, 0x3c020800,
5667 0x00511021, 0x8c421bd0, 0x3c030800, 0x00711821, 0x8c631bd4, 0x00021500,
5668 0x00031c00, 0x00431025, 0xacc20014, 0x8e63fff4, 0x96020008, 0x00432023,
5669 0x3242ffff, 0x3083ffff, 0x00431021, 0x02c2102a, 0x10400003, 0x00802821,
5670 0x97a9001e, 0x01322823, 0x8e620000, 0x30a4ffff, 0x00441021, 0xae620000,
5671 0xa4c5000e, 0x8e020000, 0xacc20000, 0x8e020004, 0x8e63fff4, 0x00431021,
5672 0xacc20004, 0x8e63fff4, 0x96020008, 0x00641821, 0x0062102a, 0x14400006,
5673 0x02459021, 0x8e62fff0, 0xae60fff4, 0x24420001, 0x0a000571, 0xae62fff0,
5674 0xae63fff4, 0xacc00008, 0x3242ffff, 0x10560003, 0x31020004, 0x10400006,
5675 0x24020305, 0x31020080, 0x54400001, 0x34e70010, 0x34e70020, 0x24020905,
5676 0xa4c2000c, 0x8ee30000, 0x8ee20004, 0x14620007, 0x3c02b49a, 0x8ee20860,
5677 0x54400001, 0x34e70400, 0x3c024b65, 0x0a000588, 0x34427654, 0x344289ab,
5678 0xacc2001c, 0x30e2ffff, 0xacc20010, 0x0e0005a2, 0x00c02021, 0x3242ffff,
5679 0x0056102b, 0x1440ff9b, 0x00000000, 0x8e620000, 0x8e63fffc, 0x0043102a,
5680 0x1440ff48, 0x00000000, 0x8fbf0044, 0x8fbe0040, 0x8fb7003c, 0x8fb60038,
5681 0x8fb50034, 0x8fb40030, 0x8fb3002c, 0x8fb20028, 0x8fb10024, 0x8fb00020,
5682 0x03e00008, 0x27bd0048, 0x27bdffe8, 0xafbf0014, 0xafb00010, 0x8f624450,
5683 0x8f634410, 0x0a0005b1, 0x00808021, 0x8f626820, 0x30422000, 0x10400003,
5684 0x00000000, 0x0e0001f0, 0x00002021, 0x8f624450, 0x8f634410, 0x3042ffff,
5685 0x0043102b, 0x1440fff5, 0x00000000, 0x8f630c14, 0x3063000f, 0x2c620002,
5686 0x1440000b, 0x00000000, 0x8f630c14, 0x3c020800, 0x8c421b40, 0x3063000f,
5687 0x24420001, 0x3c010800, 0xac221b40, 0x2c620002, 0x1040fff7, 0x00000000,
5688 0xaf705c18, 0x8f625c10, 0x30420002, 0x10400009, 0x00000000, 0x8f626820,
5689 0x30422000, 0x1040fff8, 0x00000000, 0x0e0001f0, 0x00002021, 0x0a0005c4,
5690 0x00000000, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000,
5691 0x00000000, 0x00000000, 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010,
5692 0xaf60680c, 0x8f626804, 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50,
5693 0x3c010800, 0xac221b54, 0x24020b78, 0x3c010800, 0xac221b64, 0x34630002,
5694 0xaf634000, 0x0e000605, 0x00808021, 0x3c010800, 0xa0221b68, 0x304200ff,
5695 0x24030002, 0x14430005, 0x00000000, 0x3c020800, 0x8c421b54, 0x0a0005f8,
5696 0xac5000c0, 0x3c020800, 0x8c421b54, 0xac5000bc, 0x8f624434, 0x8f634438,
5697 0x8f644410, 0x3c010800, 0xac221b5c, 0x3c010800, 0xac231b6c, 0x3c010800,
5698 0xac241b58, 0x8fbf0014, 0x8fb00010, 0x03e00008, 0x27bd0018, 0x3c040800,
5699 0x8c870000, 0x3c03aa55, 0x3463aa55, 0x3c06c003, 0xac830000, 0x8cc20000,
5700 0x14430007, 0x24050002, 0x3c0355aa, 0x346355aa, 0xac830000, 0x8cc20000,
5701 0x50430001, 0x24050001, 0x3c020800, 0xac470000, 0x03e00008, 0x00a01021,
5702 0x27bdfff8, 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe,
5703 0x00000000, 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008,
5704 0x27bd0008, 0x8f634450, 0x3c020800, 0x8c421b5c, 0x00031c02, 0x0043102b,
5705 0x14400008, 0x3c038000, 0x3c040800, 0x8c841b6c, 0x8f624450, 0x00021c02,
5706 0x0083102b, 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024,
5707 0x1440fffd, 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff,
5708 0x2442e000, 0x2c422001, 0x14400003, 0x3c024000, 0x0a000648, 0x2402ffff,
5709 0x00822025, 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021,
5710 0x03e00008, 0x00000000, 0x8f624450, 0x3c030800, 0x8c631b58, 0x0a000651,
5711 0x3042ffff, 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000,
5712 0x03e00008, 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040800, 0x24841af0,
5713 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010, 0x0e00067c, 0xafa00014,
5714 0x0a000660, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x00000000,
5715 0x00000000, 0x00000000, 0x3c020800, 0x34423000, 0x3c030800, 0x34633000,
5716 0x3c040800, 0x348437ff, 0x3c010800, 0xac221b74, 0x24020040, 0x3c010800,
5717 0xac221b78, 0x3c010800, 0xac201b70, 0xac600000, 0x24630004, 0x0083102b,
5718 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000, 0x00804821, 0x8faa0010,
5719 0x3c020800, 0x8c421b70, 0x3c040800, 0x8c841b78, 0x8fab0014, 0x24430001,
5720 0x0044102b, 0x3c010800, 0xac231b70, 0x14400003, 0x00004021, 0x3c010800,
5721 0xac201b70, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74, 0x91240000,
5722 0x00021140, 0x00431021, 0x00481021, 0x25080001, 0xa0440000, 0x29020008,
5723 0x1440fff4, 0x25290001, 0x3c020800, 0x8c421b70, 0x3c030800, 0x8c631b74,
5724 0x8f64680c, 0x00021140, 0x00431021, 0xac440008, 0xac45000c, 0xac460010,
5725 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c, 0x00000000, 0x00000000,
5726};
5727
Andreas Mohr50da8592006-08-14 23:54:30 -07005728static const u32 tg3TsoFwRodata[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005729 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5730 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x496e0000, 0x73746b6f,
5731 0x66662a2a, 0x00000000, 0x53774576, 0x656e7430, 0x00000000, 0x00000000,
5732 0x00000000, 0x00000000, 0x66617461, 0x6c457272, 0x00000000, 0x00000000,
5733 0x00000000,
5734};
5735
Andreas Mohr50da8592006-08-14 23:54:30 -07005736static const u32 tg3TsoFwData[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005737 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x362e3000, 0x00000000,
5738 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
5739 0x00000000,
5740};
5741
5742/* 5705 needs a special version of the TSO firmware. */
5743#define TG3_TSO5_FW_RELEASE_MAJOR 0x1
5744#define TG3_TSO5_FW_RELASE_MINOR 0x2
5745#define TG3_TSO5_FW_RELEASE_FIX 0x0
5746#define TG3_TSO5_FW_START_ADDR 0x00010000
5747#define TG3_TSO5_FW_TEXT_ADDR 0x00010000
5748#define TG3_TSO5_FW_TEXT_LEN 0xe90
5749#define TG3_TSO5_FW_RODATA_ADDR 0x00010e90
5750#define TG3_TSO5_FW_RODATA_LEN 0x50
5751#define TG3_TSO5_FW_DATA_ADDR 0x00010f00
5752#define TG3_TSO5_FW_DATA_LEN 0x20
5753#define TG3_TSO5_FW_SBSS_ADDR 0x00010f20
5754#define TG3_TSO5_FW_SBSS_LEN 0x28
5755#define TG3_TSO5_FW_BSS_ADDR 0x00010f50
5756#define TG3_TSO5_FW_BSS_LEN 0x88
5757
Andreas Mohr50da8592006-08-14 23:54:30 -07005758static const u32 tg3Tso5FwText[(TG3_TSO5_FW_TEXT_LEN / 4) + 1] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005759 0x0c004003, 0x00000000, 0x00010f04, 0x00000000, 0x10000003, 0x00000000,
5760 0x0000000d, 0x0000000d, 0x3c1d0001, 0x37bde000, 0x03a0f021, 0x3c100001,
5761 0x26100000, 0x0c004010, 0x00000000, 0x0000000d, 0x27bdffe0, 0x3c04fefe,
5762 0xafbf0018, 0x0c0042e8, 0x34840002, 0x0c004364, 0x00000000, 0x3c030001,
5763 0x90630f34, 0x24020002, 0x3c040001, 0x24840e9c, 0x14620003, 0x24050001,
5764 0x3c040001, 0x24840e90, 0x24060002, 0x00003821, 0xafa00010, 0x0c004378,
5765 0xafa00014, 0x0c00402c, 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5766 0x00000000, 0x00000000, 0x27bdffe0, 0xafbf001c, 0xafb20018, 0xafb10014,
5767 0x0c0042d4, 0xafb00010, 0x3c128000, 0x24110001, 0x8f706810, 0x32020400,
5768 0x10400007, 0x00000000, 0x8f641008, 0x00921024, 0x14400003, 0x00000000,
5769 0x0c004064, 0x00000000, 0x3c020001, 0x90420f56, 0x10510003, 0x32020200,
5770 0x1040fff1, 0x00000000, 0x0c0041b4, 0x00000000, 0x08004034, 0x00000000,
5771 0x8fbf001c, 0x8fb20018, 0x8fb10014, 0x8fb00010, 0x03e00008, 0x27bd0020,
5772 0x27bdffe0, 0x3c040001, 0x24840eb0, 0x00002821, 0x00003021, 0x00003821,
5773 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130,
5774 0xaf625000, 0x3c010001, 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018,
5775 0x03e00008, 0x27bd0020, 0x00000000, 0x00000000, 0x3c030001, 0x24630f60,
5776 0x90620000, 0x27bdfff0, 0x14400003, 0x0080c021, 0x08004073, 0x00004821,
5777 0x3c022000, 0x03021024, 0x10400003, 0x24090002, 0x08004073, 0xa0600000,
5778 0x24090001, 0x00181040, 0x30431f80, 0x346f8008, 0x1520004b, 0x25eb0028,
5779 0x3c040001, 0x00832021, 0x8c848010, 0x3c050001, 0x24a50f7a, 0x00041402,
5780 0xa0a20000, 0x3c010001, 0xa0240f7b, 0x3c020001, 0x00431021, 0x94428014,
5781 0x3c010001, 0xa0220f7c, 0x3c0c0001, 0x01836021, 0x8d8c8018, 0x304200ff,
5782 0x24420008, 0x000220c3, 0x24020001, 0x3c010001, 0xa0220f60, 0x0124102b,
5783 0x1040000c, 0x00003821, 0x24a6000e, 0x01602821, 0x8ca20000, 0x8ca30004,
5784 0x24a50008, 0x24e70001, 0xacc20000, 0xacc30004, 0x00e4102b, 0x1440fff8,
5785 0x24c60008, 0x00003821, 0x3c080001, 0x25080f7b, 0x91060000, 0x3c020001,
5786 0x90420f7c, 0x2503000d, 0x00c32821, 0x00461023, 0x00021fc2, 0x00431021,
5787 0x00021043, 0x1840000c, 0x00002021, 0x91020001, 0x00461023, 0x00021fc2,
5788 0x00431021, 0x00021843, 0x94a20000, 0x24e70001, 0x00822021, 0x00e3102a,
5789 0x1440fffb, 0x24a50002, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5790 0x00822021, 0x3c02ffff, 0x01821024, 0x3083ffff, 0x00431025, 0x3c010001,
5791 0x080040fa, 0xac220f80, 0x3c050001, 0x24a50f7c, 0x90a20000, 0x3c0c0001,
5792 0x01836021, 0x8d8c8018, 0x000220c2, 0x1080000e, 0x00003821, 0x01603021,
5793 0x24a5000c, 0x8ca20000, 0x8ca30004, 0x24a50008, 0x24e70001, 0xacc20000,
5794 0xacc30004, 0x00e4102b, 0x1440fff8, 0x24c60008, 0x3c050001, 0x24a50f7c,
5795 0x90a20000, 0x30430007, 0x24020004, 0x10620011, 0x28620005, 0x10400005,
5796 0x24020002, 0x10620008, 0x000710c0, 0x080040fa, 0x00000000, 0x24020006,
5797 0x1062000e, 0x000710c0, 0x080040fa, 0x00000000, 0x00a21821, 0x9463000c,
5798 0x004b1021, 0x080040fa, 0xa4430000, 0x000710c0, 0x00a21821, 0x8c63000c,
5799 0x004b1021, 0x080040fa, 0xac430000, 0x00a21821, 0x8c63000c, 0x004b2021,
5800 0x00a21021, 0xac830000, 0x94420010, 0xa4820004, 0x95e70006, 0x3c020001,
5801 0x90420f7c, 0x3c030001, 0x90630f7a, 0x00e2c823, 0x3c020001, 0x90420f7b,
5802 0x24630028, 0x01e34021, 0x24420028, 0x15200012, 0x01e23021, 0x94c2000c,
5803 0x3c010001, 0xa4220f78, 0x94c20004, 0x94c30006, 0x3c010001, 0xa4200f76,
5804 0x3c010001, 0xa4200f72, 0x00021400, 0x00431025, 0x3c010001, 0xac220f6c,
5805 0x95020004, 0x3c010001, 0x08004124, 0xa4220f70, 0x3c020001, 0x94420f70,
5806 0x3c030001, 0x94630f72, 0x00431021, 0xa5020004, 0x3c020001, 0x94420f6c,
5807 0xa4c20004, 0x3c020001, 0x8c420f6c, 0xa4c20006, 0x3c040001, 0x94840f72,
5808 0x3c020001, 0x94420f70, 0x3c0a0001, 0x954a0f76, 0x00441821, 0x3063ffff,
5809 0x0062182a, 0x24020002, 0x1122000b, 0x00832023, 0x3c030001, 0x94630f78,
5810 0x30620009, 0x10400006, 0x3062fff6, 0xa4c2000c, 0x3c020001, 0x94420f78,
5811 0x30420009, 0x01425023, 0x24020001, 0x1122001b, 0x29220002, 0x50400005,
5812 0x24020002, 0x11200007, 0x31a2ffff, 0x08004197, 0x00000000, 0x1122001d,
5813 0x24020016, 0x08004197, 0x31a2ffff, 0x3c0e0001, 0x95ce0f80, 0x10800005,
5814 0x01806821, 0x01c42021, 0x00041c02, 0x3082ffff, 0x00627021, 0x000e1027,
5815 0xa502000a, 0x3c030001, 0x90630f7b, 0x31a2ffff, 0x00e21021, 0x0800418d,
5816 0x00432023, 0x3c020001, 0x94420f80, 0x00442021, 0x00041c02, 0x3082ffff,
5817 0x00622021, 0x00807021, 0x00041027, 0x08004185, 0xa502000a, 0x3c050001,
5818 0x24a50f7a, 0x90a30000, 0x14620002, 0x24e2fff2, 0xa5e20034, 0x90a20000,
5819 0x00e21023, 0xa5020002, 0x3c030001, 0x94630f80, 0x3c020001, 0x94420f5a,
5820 0x30e5ffff, 0x00641821, 0x00451023, 0x00622023, 0x00041c02, 0x3082ffff,
5821 0x00622021, 0x00041027, 0xa502000a, 0x3c030001, 0x90630f7c, 0x24620001,
5822 0x14a20005, 0x00807021, 0x01631021, 0x90420000, 0x08004185, 0x00026200,
5823 0x24620002, 0x14a20003, 0x306200fe, 0x004b1021, 0x944c0000, 0x3c020001,
5824 0x94420f82, 0x3183ffff, 0x3c040001, 0x90840f7b, 0x00431021, 0x00e21021,
5825 0x00442023, 0x008a2021, 0x00041c02, 0x3082ffff, 0x00622021, 0x00041402,
5826 0x00822021, 0x00806821, 0x00041027, 0xa4c20010, 0x31a2ffff, 0x000e1c00,
5827 0x00431025, 0x3c040001, 0x24840f72, 0xade20010, 0x94820000, 0x3c050001,
5828 0x94a50f76, 0x3c030001, 0x8c630f6c, 0x24420001, 0x00b92821, 0xa4820000,
5829 0x3322ffff, 0x00622021, 0x0083182b, 0x3c010001, 0xa4250f76, 0x10600003,
5830 0x24a2ffff, 0x3c010001, 0xa4220f76, 0x3c024000, 0x03021025, 0x3c010001,
5831 0xac240f6c, 0xaf621008, 0x03e00008, 0x27bd0010, 0x3c030001, 0x90630f56,
5832 0x27bdffe8, 0x24020001, 0xafbf0014, 0x10620026, 0xafb00010, 0x8f620cf4,
5833 0x2442ffff, 0x3042007f, 0x00021100, 0x8c434000, 0x3c010001, 0xac230f64,
5834 0x8c434008, 0x24444000, 0x8c5c4004, 0x30620040, 0x14400002, 0x24020088,
5835 0x24020008, 0x3c010001, 0xa4220f68, 0x30620004, 0x10400005, 0x24020001,
5836 0x3c010001, 0xa0220f57, 0x080041d5, 0x00031402, 0x3c010001, 0xa0200f57,
5837 0x00031402, 0x3c010001, 0xa4220f54, 0x9483000c, 0x24020001, 0x3c010001,
5838 0xa4200f50, 0x3c010001, 0xa0220f56, 0x3c010001, 0xa4230f62, 0x24020001,
5839 0x1342001e, 0x00000000, 0x13400005, 0x24020003, 0x13420067, 0x00000000,
5840 0x080042cf, 0x00000000, 0x3c020001, 0x94420f62, 0x241a0001, 0x3c010001,
5841 0xa4200f5e, 0x3c010001, 0xa4200f52, 0x304407ff, 0x00021bc2, 0x00031823,
5842 0x3063003e, 0x34630036, 0x00021242, 0x3042003c, 0x00621821, 0x3c010001,
5843 0xa4240f58, 0x00832021, 0x24630030, 0x3c010001, 0xa4240f5a, 0x3c010001,
5844 0xa4230f5c, 0x3c060001, 0x24c60f52, 0x94c50000, 0x94c30002, 0x3c040001,
5845 0x94840f5a, 0x00651021, 0x0044102a, 0x10400013, 0x3c108000, 0x00a31021,
5846 0xa4c20000, 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008,
5847 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4,
5848 0x00501024, 0x104000b7, 0x00000000, 0x0800420f, 0x00000000, 0x3c030001,
5849 0x94630f50, 0x00851023, 0xa4c40000, 0x00621821, 0x3042ffff, 0x3c010001,
5850 0xa4230f50, 0xaf620ce8, 0x3c020001, 0x94420f68, 0x34420024, 0xaf620cec,
5851 0x94c30002, 0x3c020001, 0x94420f50, 0x14620012, 0x3c028000, 0x3c108000,
5852 0x3c02a000, 0xaf620cf4, 0x3c010001, 0xa0200f56, 0x8f641008, 0x00901024,
5853 0x14400003, 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024,
5854 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003, 0xaf620cf4, 0x3c108000,
5855 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064, 0x00000000,
5856 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x080042cf, 0x241a0003,
5857 0x3c070001, 0x24e70f50, 0x94e20000, 0x03821021, 0xaf620ce0, 0x3c020001,
5858 0x8c420f64, 0xaf620ce4, 0x3c050001, 0x94a50f54, 0x94e30000, 0x3c040001,
5859 0x94840f58, 0x3c020001, 0x94420f5e, 0x00a32823, 0x00822023, 0x30a6ffff,
5860 0x3083ffff, 0x00c3102b, 0x14400043, 0x00000000, 0x3c020001, 0x94420f5c,
5861 0x00021400, 0x00621025, 0xaf620ce8, 0x94e20000, 0x3c030001, 0x94630f54,
5862 0x00441021, 0xa4e20000, 0x3042ffff, 0x14430021, 0x3c020008, 0x3c020001,
5863 0x90420f57, 0x10400006, 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624,
5864 0x0800427c, 0x0000d021, 0x3c020001, 0x94420f68, 0x3c030008, 0x34630624,
5865 0x00431025, 0xaf620cec, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5866 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5867 0x00000000, 0x8f620cf4, 0x00501024, 0x10400015, 0x00000000, 0x08004283,
5868 0x00000000, 0x3c030001, 0x94630f68, 0x34420624, 0x3c108000, 0x00621825,
5869 0x3c028000, 0xaf630cec, 0xaf620cf4, 0x8f641008, 0x00901024, 0x14400003,
5870 0x00000000, 0x0c004064, 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7,
5871 0x00000000, 0x3c010001, 0x080042cf, 0xa4200f5e, 0x3c020001, 0x94420f5c,
5872 0x00021400, 0x00c21025, 0xaf620ce8, 0x3c020001, 0x90420f57, 0x10400009,
5873 0x3c03000c, 0x3c020001, 0x94420f68, 0x34630624, 0x0000d021, 0x00431025,
5874 0xaf620cec, 0x080042c1, 0x3c108000, 0x3c020001, 0x94420f68, 0x3c030008,
5875 0x34630604, 0x00431025, 0xaf620cec, 0x3c020001, 0x94420f5e, 0x00451021,
5876 0x3c010001, 0xa4220f5e, 0x3c108000, 0x3c02a000, 0xaf620cf4, 0x3c010001,
5877 0xa0200f56, 0x8f641008, 0x00901024, 0x14400003, 0x00000000, 0x0c004064,
5878 0x00000000, 0x8f620cf4, 0x00501024, 0x1440fff7, 0x00000000, 0x8fbf0014,
5879 0x8fb00010, 0x03e00008, 0x27bd0018, 0x00000000, 0x27bdffe0, 0x3c040001,
5880 0x24840ec0, 0x00002821, 0x00003021, 0x00003821, 0xafbf0018, 0xafa00010,
5881 0x0c004378, 0xafa00014, 0x0000d021, 0x24020130, 0xaf625000, 0x3c010001,
5882 0xa4200f50, 0x3c010001, 0xa0200f57, 0x8fbf0018, 0x03e00008, 0x27bd0020,
5883 0x27bdffe8, 0x3c1bc000, 0xafbf0014, 0xafb00010, 0xaf60680c, 0x8f626804,
5884 0x34420082, 0xaf626804, 0x8f634000, 0x24020b50, 0x3c010001, 0xac220f20,
5885 0x24020b78, 0x3c010001, 0xac220f30, 0x34630002, 0xaf634000, 0x0c004315,
5886 0x00808021, 0x3c010001, 0xa0220f34, 0x304200ff, 0x24030002, 0x14430005,
5887 0x00000000, 0x3c020001, 0x8c420f20, 0x08004308, 0xac5000c0, 0x3c020001,
5888 0x8c420f20, 0xac5000bc, 0x8f624434, 0x8f634438, 0x8f644410, 0x3c010001,
5889 0xac220f28, 0x3c010001, 0xac230f38, 0x3c010001, 0xac240f24, 0x8fbf0014,
5890 0x8fb00010, 0x03e00008, 0x27bd0018, 0x03e00008, 0x24020001, 0x27bdfff8,
5891 0x18800009, 0x00002821, 0x8f63680c, 0x8f62680c, 0x1043fffe, 0x00000000,
5892 0x24a50001, 0x00a4102a, 0x1440fff9, 0x00000000, 0x03e00008, 0x27bd0008,
5893 0x8f634450, 0x3c020001, 0x8c420f28, 0x00031c02, 0x0043102b, 0x14400008,
5894 0x3c038000, 0x3c040001, 0x8c840f38, 0x8f624450, 0x00021c02, 0x0083102b,
5895 0x1040fffc, 0x3c038000, 0xaf634444, 0x8f624444, 0x00431024, 0x1440fffd,
5896 0x00000000, 0x8f624448, 0x03e00008, 0x3042ffff, 0x3082ffff, 0x2442e000,
5897 0x2c422001, 0x14400003, 0x3c024000, 0x08004347, 0x2402ffff, 0x00822025,
5898 0xaf645c38, 0x8f625c30, 0x30420002, 0x1440fffc, 0x00001021, 0x03e00008,
5899 0x00000000, 0x8f624450, 0x3c030001, 0x8c630f24, 0x08004350, 0x3042ffff,
5900 0x8f624450, 0x3042ffff, 0x0043102b, 0x1440fffc, 0x00000000, 0x03e00008,
5901 0x00000000, 0x27bdffe0, 0x00802821, 0x3c040001, 0x24840ed0, 0x00003021,
5902 0x00003821, 0xafbf0018, 0xafa00010, 0x0c004378, 0xafa00014, 0x0800435f,
5903 0x00000000, 0x8fbf0018, 0x03e00008, 0x27bd0020, 0x3c020001, 0x3442d600,
5904 0x3c030001, 0x3463d600, 0x3c040001, 0x3484ddff, 0x3c010001, 0xac220f40,
5905 0x24020040, 0x3c010001, 0xac220f44, 0x3c010001, 0xac200f3c, 0xac600000,
5906 0x24630004, 0x0083102b, 0x5040fffd, 0xac600000, 0x03e00008, 0x00000000,
5907 0x00804821, 0x8faa0010, 0x3c020001, 0x8c420f3c, 0x3c040001, 0x8c840f44,
5908 0x8fab0014, 0x24430001, 0x0044102b, 0x3c010001, 0xac230f3c, 0x14400003,
5909 0x00004021, 0x3c010001, 0xac200f3c, 0x3c020001, 0x8c420f3c, 0x3c030001,
5910 0x8c630f40, 0x91240000, 0x00021140, 0x00431021, 0x00481021, 0x25080001,
5911 0xa0440000, 0x29020008, 0x1440fff4, 0x25290001, 0x3c020001, 0x8c420f3c,
5912 0x3c030001, 0x8c630f40, 0x8f64680c, 0x00021140, 0x00431021, 0xac440008,
5913 0xac45000c, 0xac460010, 0xac470014, 0xac4a0018, 0x03e00008, 0xac4b001c,
5914 0x00000000, 0x00000000, 0x00000000,
5915};
5916
Andreas Mohr50da8592006-08-14 23:54:30 -07005917static const u32 tg3Tso5FwRodata[(TG3_TSO5_FW_RODATA_LEN / 4) + 1] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005918 0x4d61696e, 0x43707542, 0x00000000, 0x4d61696e, 0x43707541, 0x00000000,
5919 0x00000000, 0x00000000, 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000,
5920 0x73746b6f, 0x66666c64, 0x00000000, 0x00000000, 0x66617461, 0x6c457272,
5921 0x00000000, 0x00000000, 0x00000000,
5922};
5923
Andreas Mohr50da8592006-08-14 23:54:30 -07005924static const u32 tg3Tso5FwData[(TG3_TSO5_FW_DATA_LEN / 4) + 1] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07005925 0x00000000, 0x73746b6f, 0x66666c64, 0x5f76312e, 0x322e3000, 0x00000000,
5926 0x00000000, 0x00000000, 0x00000000,
5927};
5928
5929/* tp->lock is held. */
5930static int tg3_load_tso_firmware(struct tg3 *tp)
5931{
5932 struct fw_info info;
5933 unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
5934 int err, i;
5935
5936 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
5937 return 0;
5938
5939 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
5940 info.text_base = TG3_TSO5_FW_TEXT_ADDR;
5941 info.text_len = TG3_TSO5_FW_TEXT_LEN;
5942 info.text_data = &tg3Tso5FwText[0];
5943 info.rodata_base = TG3_TSO5_FW_RODATA_ADDR;
5944 info.rodata_len = TG3_TSO5_FW_RODATA_LEN;
5945 info.rodata_data = &tg3Tso5FwRodata[0];
5946 info.data_base = TG3_TSO5_FW_DATA_ADDR;
5947 info.data_len = TG3_TSO5_FW_DATA_LEN;
5948 info.data_data = &tg3Tso5FwData[0];
5949 cpu_base = RX_CPU_BASE;
5950 cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705;
5951 cpu_scratch_size = (info.text_len +
5952 info.rodata_len +
5953 info.data_len +
5954 TG3_TSO5_FW_SBSS_LEN +
5955 TG3_TSO5_FW_BSS_LEN);
5956 } else {
5957 info.text_base = TG3_TSO_FW_TEXT_ADDR;
5958 info.text_len = TG3_TSO_FW_TEXT_LEN;
5959 info.text_data = &tg3TsoFwText[0];
5960 info.rodata_base = TG3_TSO_FW_RODATA_ADDR;
5961 info.rodata_len = TG3_TSO_FW_RODATA_LEN;
5962 info.rodata_data = &tg3TsoFwRodata[0];
5963 info.data_base = TG3_TSO_FW_DATA_ADDR;
5964 info.data_len = TG3_TSO_FW_DATA_LEN;
5965 info.data_data = &tg3TsoFwData[0];
5966 cpu_base = TX_CPU_BASE;
5967 cpu_scratch_base = TX_CPU_SCRATCH_BASE;
5968 cpu_scratch_size = TX_CPU_SCRATCH_SIZE;
5969 }
5970
5971 err = tg3_load_firmware_cpu(tp, cpu_base,
5972 cpu_scratch_base, cpu_scratch_size,
5973 &info);
5974 if (err)
5975 return err;
5976
5977 /* Now startup the cpu. */
5978 tw32(cpu_base + CPU_STATE, 0xffffffff);
5979 tw32_f(cpu_base + CPU_PC, info.text_base);
5980
5981 for (i = 0; i < 5; i++) {
5982 if (tr32(cpu_base + CPU_PC) == info.text_base)
5983 break;
5984 tw32(cpu_base + CPU_STATE, 0xffffffff);
5985 tw32(cpu_base + CPU_MODE, CPU_MODE_HALT);
5986 tw32_f(cpu_base + CPU_PC, info.text_base);
5987 udelay(1000);
5988 }
5989 if (i >= 5) {
5990 printk(KERN_ERR PFX "tg3_load_tso_firmware fails for %s "
5991 "to set CPU PC, is %08x should be %08x\n",
5992 tp->dev->name, tr32(cpu_base + CPU_PC),
5993 info.text_base);
5994 return -ENODEV;
5995 }
5996 tw32(cpu_base + CPU_STATE, 0xffffffff);
5997 tw32_f(cpu_base + CPU_MODE, 0x00000000);
5998 return 0;
5999}
6000
Linus Torvalds1da177e2005-04-16 15:20:36 -07006001
6002/* tp->lock is held. */
Michael Chan986e0ae2007-05-05 12:10:20 -07006003static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006004{
6005 u32 addr_high, addr_low;
6006 int i;
6007
6008 addr_high = ((tp->dev->dev_addr[0] << 8) |
6009 tp->dev->dev_addr[1]);
6010 addr_low = ((tp->dev->dev_addr[2] << 24) |
6011 (tp->dev->dev_addr[3] << 16) |
6012 (tp->dev->dev_addr[4] << 8) |
6013 (tp->dev->dev_addr[5] << 0));
6014 for (i = 0; i < 4; i++) {
Michael Chan986e0ae2007-05-05 12:10:20 -07006015 if (i == 1 && skip_mac_1)
6016 continue;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006017 tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high);
6018 tw32(MAC_ADDR_0_LOW + (i * 8), addr_low);
6019 }
6020
6021 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
6022 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6023 for (i = 0; i < 12; i++) {
6024 tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high);
6025 tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low);
6026 }
6027 }
6028
6029 addr_high = (tp->dev->dev_addr[0] +
6030 tp->dev->dev_addr[1] +
6031 tp->dev->dev_addr[2] +
6032 tp->dev->dev_addr[3] +
6033 tp->dev->dev_addr[4] +
6034 tp->dev->dev_addr[5]) &
6035 TX_BACKOFF_SEED_MASK;
6036 tw32(MAC_TX_BACKOFF_SEED, addr_high);
6037}
6038
6039static int tg3_set_mac_addr(struct net_device *dev, void *p)
6040{
6041 struct tg3 *tp = netdev_priv(dev);
6042 struct sockaddr *addr = p;
Michael Chan986e0ae2007-05-05 12:10:20 -07006043 int err = 0, skip_mac_1 = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006044
Michael Chanf9804dd2005-09-27 12:13:10 -07006045 if (!is_valid_ether_addr(addr->sa_data))
6046 return -EINVAL;
6047
Linus Torvalds1da177e2005-04-16 15:20:36 -07006048 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
6049
Michael Chane75f7c92006-03-20 21:33:26 -08006050 if (!netif_running(dev))
6051 return 0;
6052
Michael Chan58712ef2006-04-29 18:58:01 -07006053 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
Michael Chan986e0ae2007-05-05 12:10:20 -07006054 u32 addr0_high, addr0_low, addr1_high, addr1_low;
Michael Chan58712ef2006-04-29 18:58:01 -07006055
Michael Chan986e0ae2007-05-05 12:10:20 -07006056 addr0_high = tr32(MAC_ADDR_0_HIGH);
6057 addr0_low = tr32(MAC_ADDR_0_LOW);
6058 addr1_high = tr32(MAC_ADDR_1_HIGH);
6059 addr1_low = tr32(MAC_ADDR_1_LOW);
6060
6061 /* Skip MAC addr 1 if ASF is using it. */
6062 if ((addr0_high != addr1_high || addr0_low != addr1_low) &&
6063 !(addr1_high == 0 && addr1_low == 0))
6064 skip_mac_1 = 1;
Michael Chan58712ef2006-04-29 18:58:01 -07006065 }
Michael Chan986e0ae2007-05-05 12:10:20 -07006066 spin_lock_bh(&tp->lock);
6067 __tg3_set_mac_addr(tp, skip_mac_1);
6068 spin_unlock_bh(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006069
Michael Chanb9ec6c12006-07-25 16:37:27 -07006070 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006071}
6072
6073/* tp->lock is held. */
6074static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr,
6075 dma_addr_t mapping, u32 maxlen_flags,
6076 u32 nic_addr)
6077{
6078 tg3_write_mem(tp,
6079 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH),
6080 ((u64) mapping >> 32));
6081 tg3_write_mem(tp,
6082 (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW),
6083 ((u64) mapping & 0xffffffff));
6084 tg3_write_mem(tp,
6085 (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS),
6086 maxlen_flags);
6087
6088 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6089 tg3_write_mem(tp,
6090 (bdinfo_addr + TG3_BDINFO_NIC_ADDR),
6091 nic_addr);
6092}
6093
6094static void __tg3_set_rx_mode(struct net_device *);
Michael Chand244c892005-07-05 14:42:33 -07006095static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec)
David S. Miller15f98502005-05-18 22:49:26 -07006096{
6097 tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs);
6098 tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs);
6099 tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames);
6100 tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames);
6101 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6102 tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq);
6103 tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq);
6104 }
6105 tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq);
6106 tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq);
6107 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6108 u32 val = ec->stats_block_coalesce_usecs;
6109
6110 if (!netif_carrier_ok(tp->dev))
6111 val = 0;
6112
6113 tw32(HOSTCC_STAT_COAL_TICKS, val);
6114 }
6115}
Linus Torvalds1da177e2005-04-16 15:20:36 -07006116
6117/* tp->lock is held. */
Gary Zambrano8e7a22e2006-04-29 18:59:13 -07006118static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006119{
6120 u32 val, rdmac_mode;
6121 int i, err, limit;
6122
6123 tg3_disable_ints(tp);
6124
6125 tg3_stop_fw(tp);
6126
6127 tg3_write_sig_pre_reset(tp, RESET_KIND_INIT);
6128
6129 if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) {
Michael Chane6de8ad2005-05-05 14:42:41 -07006130 tg3_abort_hw(tp, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006131 }
6132
Michael Chan36da4d82006-11-03 01:01:03 -08006133 if (reset_phy)
Michael Chand4d2c552006-03-20 17:47:20 -08006134 tg3_phy_reset(tp);
6135
Linus Torvalds1da177e2005-04-16 15:20:36 -07006136 err = tg3_chip_reset(tp);
6137 if (err)
6138 return err;
6139
6140 tg3_write_sig_legacy(tp, RESET_KIND_INIT);
6141
6142 /* This works around an issue with Athlon chipsets on
6143 * B3 tigon3 silicon. This bit has no effect on any
6144 * other revision. But do not set this on PCI Express
6145 * chips.
6146 */
6147 if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
6148 tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
6149 tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
6150
6151 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
6152 (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
6153 val = tr32(TG3PCI_PCISTATE);
6154 val |= PCISTATE_RETRY_SAME_DMA;
6155 tw32(TG3PCI_PCISTATE, val);
6156 }
6157
6158 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) {
6159 /* Enable some hw fixes. */
6160 val = tr32(TG3PCI_MSI_DATA);
6161 val |= (1 << 26) | (1 << 28) | (1 << 29);
6162 tw32(TG3PCI_MSI_DATA, val);
6163 }
6164
6165 /* Descriptor ring init may make accesses to the
6166 * NIC SRAM area to setup the TX descriptors, so we
6167 * can only do this after the hardware has been
6168 * successfully reset.
6169 */
Michael Chan32d8c572006-07-25 16:38:29 -07006170 err = tg3_init_rings(tp);
6171 if (err)
6172 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006173
6174 /* This value is determined during the probe time DMA
6175 * engine test, tg3_test_dma.
6176 */
6177 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
6178
6179 tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS |
6180 GRC_MODE_4X_NIC_SEND_RINGS |
6181 GRC_MODE_NO_TX_PHDR_CSUM |
6182 GRC_MODE_NO_RX_PHDR_CSUM);
6183 tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
Michael Chand2d746f2006-04-06 21:45:39 -07006184
6185 /* Pseudo-header checksum is done by hardware logic and not
6186 * the offload processers, so make the chip do the pseudo-
6187 * header checksums on receive. For transmit it is more
6188 * convenient to do the pseudo-header checksum in software
6189 * as Linux does that on transmit for us in all cases.
6190 */
6191 tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006192
6193 tw32(GRC_MODE,
6194 tp->grc_mode |
6195 (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP));
6196
6197 /* Setup the timer prescalar register. Clock is always 66Mhz. */
6198 val = tr32(GRC_MISC_CFG);
6199 val &= ~0xff;
6200 val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT);
6201 tw32(GRC_MISC_CFG, val);
6202
6203 /* Initialize MBUF/DESC pool. */
John W. Linvillecbf46852005-04-21 17:01:29 -07006204 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006205 /* Do nothing. */
6206 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) {
6207 tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE);
6208 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
6209 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64);
6210 else
6211 tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96);
6212 tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE);
6213 tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE);
6214 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07006215 else if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6216 int fw_len;
6217
6218 fw_len = (TG3_TSO5_FW_TEXT_LEN +
6219 TG3_TSO5_FW_RODATA_LEN +
6220 TG3_TSO5_FW_DATA_LEN +
6221 TG3_TSO5_FW_SBSS_LEN +
6222 TG3_TSO5_FW_BSS_LEN);
6223 fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1);
6224 tw32(BUFMGR_MB_POOL_ADDR,
6225 NIC_SRAM_MBUF_POOL_BASE5705 + fw_len);
6226 tw32(BUFMGR_MB_POOL_SIZE,
6227 NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00);
6228 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07006229
Michael Chan0f893dc2005-07-25 12:30:38 -07006230 if (tp->dev->mtu <= ETH_DATA_LEN) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006231 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6232 tp->bufmgr_config.mbuf_read_dma_low_water);
6233 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6234 tp->bufmgr_config.mbuf_mac_rx_low_water);
6235 tw32(BUFMGR_MB_HIGH_WATER,
6236 tp->bufmgr_config.mbuf_high_water);
6237 } else {
6238 tw32(BUFMGR_MB_RDMA_LOW_WATER,
6239 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo);
6240 tw32(BUFMGR_MB_MACRX_LOW_WATER,
6241 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo);
6242 tw32(BUFMGR_MB_HIGH_WATER,
6243 tp->bufmgr_config.mbuf_high_water_jumbo);
6244 }
6245 tw32(BUFMGR_DMA_LOW_WATER,
6246 tp->bufmgr_config.dma_low_water);
6247 tw32(BUFMGR_DMA_HIGH_WATER,
6248 tp->bufmgr_config.dma_high_water);
6249
6250 tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE);
6251 for (i = 0; i < 2000; i++) {
6252 if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE)
6253 break;
6254 udelay(10);
6255 }
6256 if (i >= 2000) {
6257 printk(KERN_ERR PFX "tg3_reset_hw cannot enable BUFMGR for %s.\n",
6258 tp->dev->name);
6259 return -ENODEV;
6260 }
6261
6262 /* Setup replenish threshold. */
Michael Chanf92905d2006-06-29 20:14:29 -07006263 val = tp->rx_pending / 8;
6264 if (val == 0)
6265 val = 1;
6266 else if (val > tp->rx_std_max_post)
6267 val = tp->rx_std_max_post;
Michael Chanb5d37722006-09-27 16:06:21 -07006268 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
6269 if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1)
6270 tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2);
6271
6272 if (val > (TG3_RX_INTERNAL_RING_SZ_5906 / 2))
6273 val = TG3_RX_INTERNAL_RING_SZ_5906 / 2;
6274 }
Michael Chanf92905d2006-06-29 20:14:29 -07006275
6276 tw32(RCVBDI_STD_THRESH, val);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006277
6278 /* Initialize TG3_BDINFO's at:
6279 * RCVDBDI_STD_BD: standard eth size rx ring
6280 * RCVDBDI_JUMBO_BD: jumbo frame rx ring
6281 * RCVDBDI_MINI_BD: small frame rx ring (??? does not work)
6282 *
6283 * like so:
6284 * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring
6285 * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) |
6286 * ring attribute flags
6287 * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM
6288 *
6289 * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries.
6290 * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries.
6291 *
6292 * The size of each ring is fixed in the firmware, but the location is
6293 * configurable.
6294 */
6295 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6296 ((u64) tp->rx_std_mapping >> 32));
6297 tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6298 ((u64) tp->rx_std_mapping & 0xffffffff));
6299 tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
6300 NIC_SRAM_RX_BUFFER_DESC);
6301
6302 /* Don't even try to program the JUMBO/MINI buffer descriptor
6303 * configs on 5705.
6304 */
6305 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
6306 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6307 RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT);
6308 } else {
6309 tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS,
6310 RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6311
6312 tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS,
6313 BDINFO_FLAGS_DISABLED);
6314
6315 /* Setup replenish threshold. */
6316 tw32(RCVBDI_JUMBO_THRESH, tp->rx_jumbo_pending / 8);
6317
Michael Chan0f893dc2005-07-25 12:30:38 -07006318 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006319 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH,
6320 ((u64) tp->rx_jumbo_mapping >> 32));
6321 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
6322 ((u64) tp->rx_jumbo_mapping & 0xffffffff));
6323 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6324 RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT);
6325 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
6326 NIC_SRAM_RX_JUMBO_BUFFER_DESC);
6327 } else {
6328 tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
6329 BDINFO_FLAGS_DISABLED);
6330 }
6331
6332 }
6333
6334 /* There is only one send ring on 5705/5750, no need to explicitly
6335 * disable the others.
6336 */
6337 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6338 /* Clear out send RCB ring in SRAM. */
6339 for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE)
6340 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6341 BDINFO_FLAGS_DISABLED);
6342 }
6343
6344 tp->tx_prod = 0;
6345 tp->tx_cons = 0;
6346 tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6347 tw32_tx_mbox(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0);
6348
6349 tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB,
6350 tp->tx_desc_mapping,
6351 (TG3_TX_RING_SIZE <<
6352 BDINFO_FLAGS_MAXLEN_SHIFT),
6353 NIC_SRAM_TX_BUFFER_DESC);
6354
6355 /* There is only one receive return ring on 5705/5750, no need
6356 * to explicitly disable the others.
6357 */
6358 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6359 for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK;
6360 i += TG3_BDINFO_SIZE) {
6361 tg3_write_mem(tp, i + TG3_BDINFO_MAXLEN_FLAGS,
6362 BDINFO_FLAGS_DISABLED);
6363 }
6364 }
6365
6366 tp->rx_rcb_ptr = 0;
6367 tw32_rx_mbox(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0);
6368
6369 tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB,
6370 tp->rx_rcb_mapping,
6371 (TG3_RX_RCB_RING_SIZE(tp) <<
6372 BDINFO_FLAGS_MAXLEN_SHIFT),
6373 0);
6374
6375 tp->rx_std_ptr = tp->rx_pending;
6376 tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
6377 tp->rx_std_ptr);
6378
Michael Chan0f893dc2005-07-25 12:30:38 -07006379 tp->rx_jumbo_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
Linus Torvalds1da177e2005-04-16 15:20:36 -07006380 tp->rx_jumbo_pending : 0;
6381 tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
6382 tp->rx_jumbo_ptr);
6383
6384 /* Initialize MAC address and backoff seed. */
Michael Chan986e0ae2007-05-05 12:10:20 -07006385 __tg3_set_mac_addr(tp, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006386
6387 /* MTU + ethernet header + FCS + optional VLAN tag */
6388 tw32(MAC_RX_MTU_SIZE, tp->dev->mtu + ETH_HLEN + 8);
6389
6390 /* The slot time is changed by tg3_setup_phy if we
6391 * run at gigabit with half duplex.
6392 */
6393 tw32(MAC_TX_LENGTHS,
6394 (2 << TX_LENGTHS_IPG_CRS_SHIFT) |
6395 (6 << TX_LENGTHS_IPG_SHIFT) |
6396 (32 << TX_LENGTHS_SLOT_TIME_SHIFT));
6397
6398 /* Receive rules. */
6399 tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS);
6400 tw32(RCVLPC_CONFIG, 0x0181);
6401
6402 /* Calculate RDMAC_MODE setting early, we need it to determine
6403 * the RCVLPC_STATE_ENABLE mask.
6404 */
6405 rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB |
6406 RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB |
6407 RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB |
6408 RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB |
6409 RDMAC_MODE_LNGREAD_ENAB);
Michael Chan85e94ce2005-04-21 17:05:28 -07006410
6411 /* If statement applies to 5705 and 5750 PCI devices only */
6412 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6413 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6414 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006415 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE &&
Matt Carlsonc13e3712007-05-05 11:50:04 -07006416 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006417 rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128;
6418 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6419 !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) {
6420 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6421 }
6422 }
6423
Michael Chan85e94ce2005-04-21 17:05:28 -07006424 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)
6425 rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST;
6426
Linus Torvalds1da177e2005-04-16 15:20:36 -07006427 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6428 rdmac_mode |= (1 << 27);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006429
6430 /* Receive/send statistics. */
Michael Chan16613942006-06-29 20:15:13 -07006431 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
6432 val = tr32(RCVLPC_STATS_ENABLE);
6433 val &= ~RCVLPC_STATSENAB_DACK_FIX;
6434 tw32(RCVLPC_STATS_ENABLE, val);
6435 } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) &&
6436 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006437 val = tr32(RCVLPC_STATS_ENABLE);
6438 val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX;
6439 tw32(RCVLPC_STATS_ENABLE, val);
6440 } else {
6441 tw32(RCVLPC_STATS_ENABLE, 0xffffff);
6442 }
6443 tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE);
6444 tw32(SNDDATAI_STATSENAB, 0xffffff);
6445 tw32(SNDDATAI_STATSCTRL,
6446 (SNDDATAI_SCTRL_ENABLE |
6447 SNDDATAI_SCTRL_FASTUPD));
6448
6449 /* Setup host coalescing engine. */
6450 tw32(HOSTCC_MODE, 0);
6451 for (i = 0; i < 2000; i++) {
6452 if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE))
6453 break;
6454 udelay(10);
6455 }
6456
Michael Chand244c892005-07-05 14:42:33 -07006457 __tg3_set_coalesce(tp, &tp->coal);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006458
6459 /* set status block DMA address */
6460 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6461 ((u64) tp->status_mapping >> 32));
6462 tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6463 ((u64) tp->status_mapping & 0xffffffff));
6464
6465 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6466 /* Status/statistics block address. See tg3_timer,
6467 * the tg3_periodic_fetch_stats call there, and
6468 * tg3_get_stats to see how this works for 5705/5750 chips.
6469 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07006470 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH,
6471 ((u64) tp->stats_mapping >> 32));
6472 tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW,
6473 ((u64) tp->stats_mapping & 0xffffffff));
6474 tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK);
6475 tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK);
6476 }
6477
6478 tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode);
6479
6480 tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE);
6481 tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE);
6482 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6483 tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE);
6484
6485 /* Clear statistics/status block in chip, and status block in ram. */
6486 for (i = NIC_SRAM_STATS_BLK;
6487 i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE;
6488 i += sizeof(u32)) {
6489 tg3_write_mem(tp, i, 0);
6490 udelay(40);
6491 }
6492 memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE);
6493
Michael Chanc94e3942005-09-27 12:12:42 -07006494 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
6495 tp->tg3_flags2 &= ~TG3_FLG2_PARALLEL_DETECT;
6496 /* reset to prevent losing 1st rx packet intermittently */
6497 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6498 udelay(10);
6499 }
6500
Linus Torvalds1da177e2005-04-16 15:20:36 -07006501 tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE |
6502 MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE;
Matt Carlsone8f3f6c2007-07-11 19:47:55 -07006503 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
6504 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6505 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
6506 tp->mac_mode |= MAC_MODE_LINK_POLARITY;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006507 tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR);
6508 udelay(40);
6509
Michael Chan314fba32005-04-21 17:07:04 -07006510 /* tp->grc_local_ctrl is partially set up during tg3_get_invariants().
Michael Chan9d26e212006-12-07 00:21:14 -08006511 * If TG3_FLG2_IS_NIC is zero, we should read the
Michael Chan314fba32005-04-21 17:07:04 -07006512 * register to preserve the GPIO settings for LOMs. The GPIOs,
6513 * whether used as inputs or outputs, are set by boot code after
6514 * reset.
6515 */
Michael Chan9d26e212006-12-07 00:21:14 -08006516 if (!(tp->tg3_flags2 & TG3_FLG2_IS_NIC)) {
Michael Chan314fba32005-04-21 17:07:04 -07006517 u32 gpio_mask;
6518
Michael Chan9d26e212006-12-07 00:21:14 -08006519 gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 |
6520 GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 |
6521 GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2;
Michael Chan3e7d83b2005-04-21 17:10:36 -07006522
6523 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
6524 gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
6525 GRC_LCLCTRL_GPIO_OUTPUT3;
6526
Michael Chanaf36e6b2006-03-23 01:28:06 -08006527 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6528 gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL;
6529
Gary Zambranoaaf84462007-05-05 11:51:45 -07006530 tp->grc_local_ctrl &= ~gpio_mask;
Michael Chan314fba32005-04-21 17:07:04 -07006531 tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
6532
6533 /* GPIO1 must be driven high for eeprom write protect */
Michael Chan9d26e212006-12-07 00:21:14 -08006534 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)
6535 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
6536 GRC_LCLCTRL_GPIO_OUTPUT1);
Michael Chan314fba32005-04-21 17:07:04 -07006537 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07006538 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6539 udelay(100);
6540
Michael Chan09ee9292005-08-09 20:17:00 -07006541 tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0);
David S. Millerfac9b832005-05-18 22:46:34 -07006542 tp->last_tag = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006543
6544 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
6545 tw32_f(DMAC_MODE, DMAC_MODE_ENABLE);
6546 udelay(40);
6547 }
6548
6549 val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB |
6550 WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB |
6551 WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB |
6552 WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB |
6553 WDMAC_MODE_LNGREAD_ENAB);
6554
Michael Chan85e94ce2005-04-21 17:05:28 -07006555 /* If statement applies to 5705 and 5750 PCI devices only */
6556 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
6557 tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) ||
6558 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006559 if ((tp->tg3_flags & TG3_FLG2_TSO_CAPABLE) &&
6560 (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 ||
6561 tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) {
6562 /* nothing */
6563 } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) &&
6564 !(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
6565 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
6566 val |= WDMAC_MODE_RX_ACCEL;
6567 }
6568 }
6569
Michael Chand9ab5ad2006-03-20 22:27:35 -08006570 /* Enable host coalescing bug fix */
Michael Chanaf36e6b2006-03-23 01:28:06 -08006571 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
6572 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787))
Michael Chand9ab5ad2006-03-20 22:27:35 -08006573 val |= (1 << 29);
6574
Linus Torvalds1da177e2005-04-16 15:20:36 -07006575 tw32_f(WDMAC_MODE, val);
6576 udelay(40);
6577
6578 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
6579 val = tr32(TG3PCI_X_CAPS);
6580 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) {
6581 val &= ~PCIX_CAPS_BURST_MASK;
6582 val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
6583 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
6584 val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK);
6585 val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006586 }
6587 tw32(TG3PCI_X_CAPS, val);
6588 }
6589
6590 tw32_f(RDMAC_MODE, rdmac_mode);
6591 udelay(40);
6592
6593 tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
6594 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
6595 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
6596 tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
6597 tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
6598 tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
6599 tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
6600 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006601 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
6602 tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006603 tw32(SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE);
6604 tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE);
6605
6606 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
6607 err = tg3_load_5701_a0_firmware_fix(tp);
6608 if (err)
6609 return err;
6610 }
6611
Linus Torvalds1da177e2005-04-16 15:20:36 -07006612 if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
6613 err = tg3_load_tso_firmware(tp);
6614 if (err)
6615 return err;
6616 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07006617
6618 tp->tx_mode = TX_MODE_ENABLE;
6619 tw32_f(MAC_TX_MODE, tp->tx_mode);
6620 udelay(100);
6621
6622 tp->rx_mode = RX_MODE_ENABLE;
Michael Chanaf36e6b2006-03-23 01:28:06 -08006623 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
6624 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
6625
Linus Torvalds1da177e2005-04-16 15:20:36 -07006626 tw32_f(MAC_RX_MODE, tp->rx_mode);
6627 udelay(10);
6628
6629 if (tp->link_config.phy_is_low_power) {
6630 tp->link_config.phy_is_low_power = 0;
6631 tp->link_config.speed = tp->link_config.orig_speed;
6632 tp->link_config.duplex = tp->link_config.orig_duplex;
6633 tp->link_config.autoneg = tp->link_config.orig_autoneg;
6634 }
6635
6636 tp->mi_mode = MAC_MI_MODE_BASE;
6637 tw32_f(MAC_MI_MODE, tp->mi_mode);
6638 udelay(80);
6639
6640 tw32(MAC_LED_CTRL, tp->led_ctrl);
6641
6642 tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB);
Michael Chanc94e3942005-09-27 12:12:42 -07006643 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006644 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
6645 udelay(10);
6646 }
6647 tw32_f(MAC_RX_MODE, tp->rx_mode);
6648 udelay(10);
6649
6650 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
6651 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) &&
6652 !(tp->tg3_flags2 & TG3_FLG2_SERDES_PREEMPHASIS)) {
6653 /* Set drive transmission level to 1.2V */
6654 /* only if the signal pre-emphasis bit is not set */
6655 val = tr32(MAC_SERDES_CFG);
6656 val &= 0xfffff000;
6657 val |= 0x880;
6658 tw32(MAC_SERDES_CFG, val);
6659 }
6660 if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1)
6661 tw32(MAC_SERDES_CFG, 0x616000);
6662 }
6663
6664 /* Prevent chip from dropping frames when flow control
6665 * is enabled.
6666 */
6667 tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, 2);
6668
6669 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 &&
6670 (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
6671 /* Use hardware link auto-negotiation */
6672 tp->tg3_flags2 |= TG3_FLG2_HW_AUTONEG;
6673 }
6674
Michael Chand4d2c552006-03-20 17:47:20 -08006675 if ((tp->tg3_flags2 & TG3_FLG2_MII_SERDES) &&
6676 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
6677 u32 tmp;
6678
6679 tmp = tr32(SERDES_RX_CTRL);
6680 tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT);
6681 tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT;
6682 tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT;
6683 tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
6684 }
6685
Michael Chan36da4d82006-11-03 01:01:03 -08006686 err = tg3_setup_phy(tp, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006687 if (err)
6688 return err;
6689
Michael Chan715116a2006-09-27 16:09:25 -07006690 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
6691 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07006692 u32 tmp;
6693
6694 /* Clear CRC stats. */
Michael Chan569a5df2007-02-13 12:18:15 -08006695 if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) {
6696 tg3_writephy(tp, MII_TG3_TEST1,
6697 tmp | MII_TG3_TEST1_CRC_EN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006698 tg3_readphy(tp, 0x14, &tmp);
6699 }
6700 }
6701
6702 __tg3_set_rx_mode(tp->dev);
6703
6704 /* Initialize receive rules. */
6705 tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK);
6706 tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK);
6707 tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK);
6708 tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK);
6709
Michael Chan4cf78e42005-07-25 12:29:19 -07006710 if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
Michael Chana4e2b342005-10-26 15:46:52 -07006711 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
Linus Torvalds1da177e2005-04-16 15:20:36 -07006712 limit = 8;
6713 else
6714 limit = 16;
6715 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
6716 limit -= 4;
6717 switch (limit) {
6718 case 16:
6719 tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0);
6720 case 15:
6721 tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0);
6722 case 14:
6723 tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0);
6724 case 13:
6725 tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0);
6726 case 12:
6727 tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0);
6728 case 11:
6729 tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0);
6730 case 10:
6731 tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0);
6732 case 9:
6733 tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0);
6734 case 8:
6735 tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0);
6736 case 7:
6737 tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0);
6738 case 6:
6739 tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0);
6740 case 5:
6741 tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0);
6742 case 4:
6743 /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */
6744 case 3:
6745 /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */
6746 case 2:
6747 case 1:
6748
6749 default:
6750 break;
6751 };
6752
6753 tg3_write_sig_post_reset(tp, RESET_KIND_INIT);
6754
Linus Torvalds1da177e2005-04-16 15:20:36 -07006755 return 0;
6756}
6757
6758/* Called at device open time to get the chip ready for
6759 * packet processing. Invoked with tp->lock held.
6760 */
Gary Zambrano8e7a22e2006-04-29 18:59:13 -07006761static int tg3_init_hw(struct tg3 *tp, int reset_phy)
Linus Torvalds1da177e2005-04-16 15:20:36 -07006762{
6763 int err;
6764
6765 /* Force the chip into D0. */
Michael Chanbc1c7562006-03-20 17:48:03 -08006766 err = tg3_set_power_state(tp, PCI_D0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006767 if (err)
6768 goto out;
6769
6770 tg3_switch_clocks(tp);
6771
6772 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
6773
Gary Zambrano8e7a22e2006-04-29 18:59:13 -07006774 err = tg3_reset_hw(tp, reset_phy);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006775
6776out:
6777 return err;
6778}
6779
6780#define TG3_STAT_ADD32(PSTAT, REG) \
6781do { u32 __val = tr32(REG); \
6782 (PSTAT)->low += __val; \
6783 if ((PSTAT)->low < __val) \
6784 (PSTAT)->high += 1; \
6785} while (0)
6786
6787static void tg3_periodic_fetch_stats(struct tg3 *tp)
6788{
6789 struct tg3_hw_stats *sp = tp->hw_stats;
6790
6791 if (!netif_carrier_ok(tp->dev))
6792 return;
6793
6794 TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS);
6795 TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS);
6796 TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT);
6797 TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT);
6798 TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS);
6799 TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS);
6800 TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS);
6801 TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED);
6802 TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL);
6803 TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL);
6804 TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
6805 TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
6806 TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
6807
6808 TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
6809 TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
6810 TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST);
6811 TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST);
6812 TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST);
6813 TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS);
6814 TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS);
6815 TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD);
6816 TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD);
6817 TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD);
6818 TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED);
6819 TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG);
6820 TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS);
6821 TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE);
Michael Chan463d3052006-05-22 16:36:27 -07006822
6823 TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT);
6824 TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT);
6825 TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006826}
6827
6828static void tg3_timer(unsigned long __opaque)
6829{
6830 struct tg3 *tp = (struct tg3 *) __opaque;
Linus Torvalds1da177e2005-04-16 15:20:36 -07006831
Michael Chanf475f162006-03-27 23:20:14 -08006832 if (tp->irq_sync)
6833 goto restart_timer;
6834
David S. Millerf47c11e2005-06-24 20:18:35 -07006835 spin_lock(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006836
David S. Millerfac9b832005-05-18 22:46:34 -07006837 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
6838 /* All of this garbage is because when using non-tagged
6839 * IRQ status the mailbox/status_block protocol the chip
6840 * uses with the cpu is race prone.
6841 */
6842 if (tp->hw_status->status & SD_STATUS_UPDATED) {
6843 tw32(GRC_LOCAL_CTRL,
6844 tp->grc_local_ctrl | GRC_LCLCTRL_SETINT);
6845 } else {
6846 tw32(HOSTCC_MODE, tp->coalesce_mode |
6847 (HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW));
6848 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07006849
David S. Millerfac9b832005-05-18 22:46:34 -07006850 if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
6851 tp->tg3_flags2 |= TG3_FLG2_RESTART_TIMER;
David S. Millerf47c11e2005-06-24 20:18:35 -07006852 spin_unlock(&tp->lock);
David S. Millerfac9b832005-05-18 22:46:34 -07006853 schedule_work(&tp->reset_task);
6854 return;
6855 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07006856 }
6857
Linus Torvalds1da177e2005-04-16 15:20:36 -07006858 /* This part only runs once per second. */
6859 if (!--tp->timer_counter) {
David S. Millerfac9b832005-05-18 22:46:34 -07006860 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
6861 tg3_periodic_fetch_stats(tp);
6862
Linus Torvalds1da177e2005-04-16 15:20:36 -07006863 if (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) {
6864 u32 mac_stat;
6865 int phy_event;
6866
6867 mac_stat = tr32(MAC_STATUS);
6868
6869 phy_event = 0;
6870 if (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) {
6871 if (mac_stat & MAC_STATUS_MI_INTERRUPT)
6872 phy_event = 1;
6873 } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)
6874 phy_event = 1;
6875
6876 if (phy_event)
6877 tg3_setup_phy(tp, 0);
6878 } else if (tp->tg3_flags & TG3_FLAG_POLL_SERDES) {
6879 u32 mac_stat = tr32(MAC_STATUS);
6880 int need_setup = 0;
6881
6882 if (netif_carrier_ok(tp->dev) &&
6883 (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) {
6884 need_setup = 1;
6885 }
6886 if (! netif_carrier_ok(tp->dev) &&
6887 (mac_stat & (MAC_STATUS_PCS_SYNCED |
6888 MAC_STATUS_SIGNAL_DET))) {
6889 need_setup = 1;
6890 }
6891 if (need_setup) {
Michael Chan3d3ebe72006-09-27 15:59:15 -07006892 if (!tp->serdes_counter) {
6893 tw32_f(MAC_MODE,
6894 (tp->mac_mode &
6895 ~MAC_MODE_PORT_MODE_MASK));
6896 udelay(40);
6897 tw32_f(MAC_MODE, tp->mac_mode);
6898 udelay(40);
6899 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07006900 tg3_setup_phy(tp, 0);
6901 }
Michael Chan747e8f82005-07-25 12:33:22 -07006902 } else if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
6903 tg3_serdes_parallel_detect(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006904
6905 tp->timer_counter = tp->timer_multiplier;
6906 }
6907
Michael Chan130b8e42006-09-27 16:00:40 -07006908 /* Heartbeat is only sent once every 2 seconds.
6909 *
6910 * The heartbeat is to tell the ASF firmware that the host
6911 * driver is still alive. In the event that the OS crashes,
6912 * ASF needs to reset the hardware to free up the FIFO space
6913 * that may be filled with rx packets destined for the host.
6914 * If the FIFO is full, ASF will no longer function properly.
6915 *
6916 * Unintended resets have been reported on real time kernels
6917 * where the timer doesn't run on time. Netpoll will also have
6918 * same problem.
6919 *
6920 * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware
6921 * to check the ring condition when the heartbeat is expiring
6922 * before doing the reset. This will prevent most unintended
6923 * resets.
6924 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07006925 if (!--tp->asf_counter) {
6926 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
6927 u32 val;
6928
Michael Chanbbadf502006-04-06 21:46:34 -07006929 tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
Michael Chan130b8e42006-09-27 16:00:40 -07006930 FWCMD_NICDRV_ALIVE3);
Michael Chanbbadf502006-04-06 21:46:34 -07006931 tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
Michael Chan28fbef72005-10-26 15:48:35 -07006932 /* 5 seconds timeout */
Michael Chanbbadf502006-04-06 21:46:34 -07006933 tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006934 val = tr32(GRC_RX_CPU_EVENT);
6935 val |= (1 << 14);
6936 tw32(GRC_RX_CPU_EVENT, val);
6937 }
6938 tp->asf_counter = tp->asf_multiplier;
6939 }
6940
David S. Millerf47c11e2005-06-24 20:18:35 -07006941 spin_unlock(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07006942
Michael Chanf475f162006-03-27 23:20:14 -08006943restart_timer:
Linus Torvalds1da177e2005-04-16 15:20:36 -07006944 tp->timer.expires = jiffies + tp->timer_offset;
6945 add_timer(&tp->timer);
6946}
6947
Adrian Bunk81789ef2006-03-20 23:00:14 -08006948static int tg3_request_irq(struct tg3 *tp)
Michael Chanfcfa0a32006-03-20 22:28:41 -08006949{
David Howells7d12e782006-10-05 14:55:46 +01006950 irq_handler_t fn;
Michael Chanfcfa0a32006-03-20 22:28:41 -08006951 unsigned long flags;
6952 struct net_device *dev = tp->dev;
6953
6954 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
6955 fn = tg3_msi;
6956 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
6957 fn = tg3_msi_1shot;
Thomas Gleixner1fb9df52006-07-01 19:29:39 -07006958 flags = IRQF_SAMPLE_RANDOM;
Michael Chanfcfa0a32006-03-20 22:28:41 -08006959 } else {
6960 fn = tg3_interrupt;
6961 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
6962 fn = tg3_interrupt_tagged;
Thomas Gleixner1fb9df52006-07-01 19:29:39 -07006963 flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
Michael Chanfcfa0a32006-03-20 22:28:41 -08006964 }
6965 return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
6966}
6967
Michael Chan79381092005-04-21 17:13:59 -07006968static int tg3_test_interrupt(struct tg3 *tp)
6969{
6970 struct net_device *dev = tp->dev;
Michael Chanb16250e2006-09-27 16:10:14 -07006971 int err, i, intr_ok = 0;
Michael Chan79381092005-04-21 17:13:59 -07006972
Michael Chand4bc3922005-05-29 14:59:20 -07006973 if (!netif_running(dev))
6974 return -ENODEV;
6975
Michael Chan79381092005-04-21 17:13:59 -07006976 tg3_disable_ints(tp);
6977
6978 free_irq(tp->pdev->irq, dev);
6979
6980 err = request_irq(tp->pdev->irq, tg3_test_isr,
Thomas Gleixner1fb9df52006-07-01 19:29:39 -07006981 IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
Michael Chan79381092005-04-21 17:13:59 -07006982 if (err)
6983 return err;
6984
Michael Chan38f38432005-09-05 17:53:32 -07006985 tp->hw_status->status &= ~SD_STATUS_UPDATED;
Michael Chan79381092005-04-21 17:13:59 -07006986 tg3_enable_ints(tp);
6987
6988 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
6989 HOSTCC_MODE_NOW);
6990
6991 for (i = 0; i < 5; i++) {
Michael Chanb16250e2006-09-27 16:10:14 -07006992 u32 int_mbox, misc_host_ctrl;
6993
Michael Chan09ee9292005-08-09 20:17:00 -07006994 int_mbox = tr32_mailbox(MAILBOX_INTERRUPT_0 +
6995 TG3_64BIT_REG_LOW);
Michael Chanb16250e2006-09-27 16:10:14 -07006996 misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL);
6997
6998 if ((int_mbox != 0) ||
6999 (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) {
7000 intr_ok = 1;
Michael Chan79381092005-04-21 17:13:59 -07007001 break;
Michael Chanb16250e2006-09-27 16:10:14 -07007002 }
7003
Michael Chan79381092005-04-21 17:13:59 -07007004 msleep(10);
7005 }
7006
7007 tg3_disable_ints(tp);
7008
7009 free_irq(tp->pdev->irq, dev);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007010
Michael Chanfcfa0a32006-03-20 22:28:41 -08007011 err = tg3_request_irq(tp);
Michael Chan79381092005-04-21 17:13:59 -07007012
7013 if (err)
7014 return err;
7015
Michael Chanb16250e2006-09-27 16:10:14 -07007016 if (intr_ok)
Michael Chan79381092005-04-21 17:13:59 -07007017 return 0;
7018
7019 return -EIO;
7020}
7021
7022/* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is
7023 * successfully restored
7024 */
7025static int tg3_test_msi(struct tg3 *tp)
7026{
7027 struct net_device *dev = tp->dev;
7028 int err;
7029 u16 pci_cmd;
7030
7031 if (!(tp->tg3_flags2 & TG3_FLG2_USING_MSI))
7032 return 0;
7033
7034 /* Turn off SERR reporting in case MSI terminates with Master
7035 * Abort.
7036 */
7037 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
7038 pci_write_config_word(tp->pdev, PCI_COMMAND,
7039 pci_cmd & ~PCI_COMMAND_SERR);
7040
7041 err = tg3_test_interrupt(tp);
7042
7043 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
7044
7045 if (!err)
7046 return 0;
7047
7048 /* other failures */
7049 if (err != -EIO)
7050 return err;
7051
7052 /* MSI test failed, go back to INTx mode */
7053 printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
7054 "switching to INTx mode. Please report this failure to "
7055 "the PCI maintainer and include system chipset information.\n",
7056 tp->dev->name);
7057
7058 free_irq(tp->pdev->irq, dev);
7059 pci_disable_msi(tp->pdev);
7060
7061 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7062
Michael Chanfcfa0a32006-03-20 22:28:41 -08007063 err = tg3_request_irq(tp);
Michael Chan79381092005-04-21 17:13:59 -07007064 if (err)
7065 return err;
7066
7067 /* Need to reset the chip because the MSI cycle may have terminated
7068 * with Master Abort.
7069 */
David S. Millerf47c11e2005-06-24 20:18:35 -07007070 tg3_full_lock(tp, 1);
Michael Chan79381092005-04-21 17:13:59 -07007071
Michael Chan944d9802005-05-29 14:57:48 -07007072 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
Gary Zambrano8e7a22e2006-04-29 18:59:13 -07007073 err = tg3_init_hw(tp, 1);
Michael Chan79381092005-04-21 17:13:59 -07007074
David S. Millerf47c11e2005-06-24 20:18:35 -07007075 tg3_full_unlock(tp);
Michael Chan79381092005-04-21 17:13:59 -07007076
7077 if (err)
7078 free_irq(tp->pdev->irq, dev);
7079
7080 return err;
7081}
7082
Linus Torvalds1da177e2005-04-16 15:20:36 -07007083static int tg3_open(struct net_device *dev)
7084{
7085 struct tg3 *tp = netdev_priv(dev);
7086 int err;
7087
Michael Chanc49a1562006-12-17 17:07:29 -08007088 netif_carrier_off(tp->dev);
7089
David S. Millerf47c11e2005-06-24 20:18:35 -07007090 tg3_full_lock(tp, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007091
Michael Chanbc1c7562006-03-20 17:48:03 -08007092 err = tg3_set_power_state(tp, PCI_D0);
Ira W. Snyder12862082006-11-21 17:44:31 -08007093 if (err) {
7094 tg3_full_unlock(tp);
Michael Chanbc1c7562006-03-20 17:48:03 -08007095 return err;
Ira W. Snyder12862082006-11-21 17:44:31 -08007096 }
Michael Chanbc1c7562006-03-20 17:48:03 -08007097
Linus Torvalds1da177e2005-04-16 15:20:36 -07007098 tg3_disable_ints(tp);
7099 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
7100
David S. Millerf47c11e2005-06-24 20:18:35 -07007101 tg3_full_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007102
7103 /* The placement of this call is tied
7104 * to the setup and use of Host TX descriptors.
7105 */
7106 err = tg3_alloc_consistent(tp);
7107 if (err)
7108 return err;
7109
Michael Chan7544b092007-05-05 13:08:32 -07007110 if (tp->tg3_flags & TG3_FLAG_SUPPORT_MSI) {
David S. Millerfac9b832005-05-18 22:46:34 -07007111 /* All MSI supporting chips should support tagged
7112 * status. Assert that this is the case.
7113 */
7114 if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
7115 printk(KERN_WARNING PFX "%s: MSI without TAGGED? "
7116 "Not using MSI.\n", tp->dev->name);
7117 } else if (pci_enable_msi(tp->pdev) == 0) {
Michael Chan88b06bc2005-04-21 17:13:25 -07007118 u32 msi_mode;
7119
Michael Chan2fbe43f2007-09-06 12:04:29 +01007120 /* Hardware bug - MSI won't work if INTX disabled. */
7121 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
7122 pci_intx(tp->pdev, 1);
7123
Michael Chan88b06bc2005-04-21 17:13:25 -07007124 msi_mode = tr32(MSGINT_MODE);
7125 tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE);
7126 tp->tg3_flags2 |= TG3_FLG2_USING_MSI;
7127 }
7128 }
Michael Chanfcfa0a32006-03-20 22:28:41 -08007129 err = tg3_request_irq(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007130
7131 if (err) {
Michael Chan88b06bc2005-04-21 17:13:25 -07007132 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7133 pci_disable_msi(tp->pdev);
7134 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7135 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007136 tg3_free_consistent(tp);
7137 return err;
7138 }
7139
Stephen Hemmingerbea33482007-10-03 16:41:36 -07007140 napi_enable(&tp->napi);
7141
David S. Millerf47c11e2005-06-24 20:18:35 -07007142 tg3_full_lock(tp, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007143
Gary Zambrano8e7a22e2006-04-29 18:59:13 -07007144 err = tg3_init_hw(tp, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007145 if (err) {
Michael Chan944d9802005-05-29 14:57:48 -07007146 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007147 tg3_free_rings(tp);
7148 } else {
David S. Millerfac9b832005-05-18 22:46:34 -07007149 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
7150 tp->timer_offset = HZ;
7151 else
7152 tp->timer_offset = HZ / 10;
7153
7154 BUG_ON(tp->timer_offset > HZ);
7155 tp->timer_counter = tp->timer_multiplier =
7156 (HZ / tp->timer_offset);
7157 tp->asf_counter = tp->asf_multiplier =
Michael Chan28fbef72005-10-26 15:48:35 -07007158 ((HZ / tp->timer_offset) * 2);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007159
7160 init_timer(&tp->timer);
7161 tp->timer.expires = jiffies + tp->timer_offset;
7162 tp->timer.data = (unsigned long) tp;
7163 tp->timer.function = tg3_timer;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007164 }
7165
David S. Millerf47c11e2005-06-24 20:18:35 -07007166 tg3_full_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007167
7168 if (err) {
Stephen Hemmingerbea33482007-10-03 16:41:36 -07007169 napi_disable(&tp->napi);
Michael Chan88b06bc2005-04-21 17:13:25 -07007170 free_irq(tp->pdev->irq, dev);
7171 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7172 pci_disable_msi(tp->pdev);
7173 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7174 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007175 tg3_free_consistent(tp);
7176 return err;
7177 }
7178
Michael Chan79381092005-04-21 17:13:59 -07007179 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7180 err = tg3_test_msi(tp);
David S. Millerfac9b832005-05-18 22:46:34 -07007181
Michael Chan79381092005-04-21 17:13:59 -07007182 if (err) {
David S. Millerf47c11e2005-06-24 20:18:35 -07007183 tg3_full_lock(tp, 0);
Michael Chan79381092005-04-21 17:13:59 -07007184
7185 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7186 pci_disable_msi(tp->pdev);
7187 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7188 }
Michael Chan944d9802005-05-29 14:57:48 -07007189 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
Michael Chan79381092005-04-21 17:13:59 -07007190 tg3_free_rings(tp);
7191 tg3_free_consistent(tp);
7192
David S. Millerf47c11e2005-06-24 20:18:35 -07007193 tg3_full_unlock(tp);
Michael Chan79381092005-04-21 17:13:59 -07007194
Stephen Hemmingerbea33482007-10-03 16:41:36 -07007195 napi_disable(&tp->napi);
7196
Michael Chan79381092005-04-21 17:13:59 -07007197 return err;
7198 }
Michael Chanfcfa0a32006-03-20 22:28:41 -08007199
7200 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7201 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI) {
Michael Chanb5d37722006-09-27 16:06:21 -07007202 u32 val = tr32(PCIE_TRANSACTION_CFG);
Michael Chanfcfa0a32006-03-20 22:28:41 -08007203
Michael Chanb5d37722006-09-27 16:06:21 -07007204 tw32(PCIE_TRANSACTION_CFG,
7205 val | PCIE_TRANS_CFG_1SHOT_MSI);
Michael Chanfcfa0a32006-03-20 22:28:41 -08007206 }
7207 }
Michael Chan79381092005-04-21 17:13:59 -07007208 }
7209
David S. Millerf47c11e2005-06-24 20:18:35 -07007210 tg3_full_lock(tp, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007211
Michael Chan79381092005-04-21 17:13:59 -07007212 add_timer(&tp->timer);
7213 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007214 tg3_enable_ints(tp);
7215
David S. Millerf47c11e2005-06-24 20:18:35 -07007216 tg3_full_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007217
7218 netif_start_queue(dev);
7219
7220 return 0;
7221}
7222
7223#if 0
7224/*static*/ void tg3_dump_state(struct tg3 *tp)
7225{
7226 u32 val32, val32_2, val32_3, val32_4, val32_5;
7227 u16 val16;
7228 int i;
7229
7230 pci_read_config_word(tp->pdev, PCI_STATUS, &val16);
7231 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &val32);
7232 printk("DEBUG: PCI status [%04x] TG3PCI state[%08x]\n",
7233 val16, val32);
7234
7235 /* MAC block */
7236 printk("DEBUG: MAC_MODE[%08x] MAC_STATUS[%08x]\n",
7237 tr32(MAC_MODE), tr32(MAC_STATUS));
7238 printk(" MAC_EVENT[%08x] MAC_LED_CTRL[%08x]\n",
7239 tr32(MAC_EVENT), tr32(MAC_LED_CTRL));
7240 printk("DEBUG: MAC_TX_MODE[%08x] MAC_TX_STATUS[%08x]\n",
7241 tr32(MAC_TX_MODE), tr32(MAC_TX_STATUS));
7242 printk(" MAC_RX_MODE[%08x] MAC_RX_STATUS[%08x]\n",
7243 tr32(MAC_RX_MODE), tr32(MAC_RX_STATUS));
7244
7245 /* Send data initiator control block */
7246 printk("DEBUG: SNDDATAI_MODE[%08x] SNDDATAI_STATUS[%08x]\n",
7247 tr32(SNDDATAI_MODE), tr32(SNDDATAI_STATUS));
7248 printk(" SNDDATAI_STATSCTRL[%08x]\n",
7249 tr32(SNDDATAI_STATSCTRL));
7250
7251 /* Send data completion control block */
7252 printk("DEBUG: SNDDATAC_MODE[%08x]\n", tr32(SNDDATAC_MODE));
7253
7254 /* Send BD ring selector block */
7255 printk("DEBUG: SNDBDS_MODE[%08x] SNDBDS_STATUS[%08x]\n",
7256 tr32(SNDBDS_MODE), tr32(SNDBDS_STATUS));
7257
7258 /* Send BD initiator control block */
7259 printk("DEBUG: SNDBDI_MODE[%08x] SNDBDI_STATUS[%08x]\n",
7260 tr32(SNDBDI_MODE), tr32(SNDBDI_STATUS));
7261
7262 /* Send BD completion control block */
7263 printk("DEBUG: SNDBDC_MODE[%08x]\n", tr32(SNDBDC_MODE));
7264
7265 /* Receive list placement control block */
7266 printk("DEBUG: RCVLPC_MODE[%08x] RCVLPC_STATUS[%08x]\n",
7267 tr32(RCVLPC_MODE), tr32(RCVLPC_STATUS));
7268 printk(" RCVLPC_STATSCTRL[%08x]\n",
7269 tr32(RCVLPC_STATSCTRL));
7270
7271 /* Receive data and receive BD initiator control block */
7272 printk("DEBUG: RCVDBDI_MODE[%08x] RCVDBDI_STATUS[%08x]\n",
7273 tr32(RCVDBDI_MODE), tr32(RCVDBDI_STATUS));
7274
7275 /* Receive data completion control block */
7276 printk("DEBUG: RCVDCC_MODE[%08x]\n",
7277 tr32(RCVDCC_MODE));
7278
7279 /* Receive BD initiator control block */
7280 printk("DEBUG: RCVBDI_MODE[%08x] RCVBDI_STATUS[%08x]\n",
7281 tr32(RCVBDI_MODE), tr32(RCVBDI_STATUS));
7282
7283 /* Receive BD completion control block */
7284 printk("DEBUG: RCVCC_MODE[%08x] RCVCC_STATUS[%08x]\n",
7285 tr32(RCVCC_MODE), tr32(RCVCC_STATUS));
7286
7287 /* Receive list selector control block */
7288 printk("DEBUG: RCVLSC_MODE[%08x] RCVLSC_STATUS[%08x]\n",
7289 tr32(RCVLSC_MODE), tr32(RCVLSC_STATUS));
7290
7291 /* Mbuf cluster free block */
7292 printk("DEBUG: MBFREE_MODE[%08x] MBFREE_STATUS[%08x]\n",
7293 tr32(MBFREE_MODE), tr32(MBFREE_STATUS));
7294
7295 /* Host coalescing control block */
7296 printk("DEBUG: HOSTCC_MODE[%08x] HOSTCC_STATUS[%08x]\n",
7297 tr32(HOSTCC_MODE), tr32(HOSTCC_STATUS));
7298 printk("DEBUG: HOSTCC_STATS_BLK_HOST_ADDR[%08x%08x]\n",
7299 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7300 tr32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7301 printk("DEBUG: HOSTCC_STATUS_BLK_HOST_ADDR[%08x%08x]\n",
7302 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH),
7303 tr32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW));
7304 printk("DEBUG: HOSTCC_STATS_BLK_NIC_ADDR[%08x]\n",
7305 tr32(HOSTCC_STATS_BLK_NIC_ADDR));
7306 printk("DEBUG: HOSTCC_STATUS_BLK_NIC_ADDR[%08x]\n",
7307 tr32(HOSTCC_STATUS_BLK_NIC_ADDR));
7308
7309 /* Memory arbiter control block */
7310 printk("DEBUG: MEMARB_MODE[%08x] MEMARB_STATUS[%08x]\n",
7311 tr32(MEMARB_MODE), tr32(MEMARB_STATUS));
7312
7313 /* Buffer manager control block */
7314 printk("DEBUG: BUFMGR_MODE[%08x] BUFMGR_STATUS[%08x]\n",
7315 tr32(BUFMGR_MODE), tr32(BUFMGR_STATUS));
7316 printk("DEBUG: BUFMGR_MB_POOL_ADDR[%08x] BUFMGR_MB_POOL_SIZE[%08x]\n",
7317 tr32(BUFMGR_MB_POOL_ADDR), tr32(BUFMGR_MB_POOL_SIZE));
7318 printk("DEBUG: BUFMGR_DMA_DESC_POOL_ADDR[%08x] "
7319 "BUFMGR_DMA_DESC_POOL_SIZE[%08x]\n",
7320 tr32(BUFMGR_DMA_DESC_POOL_ADDR),
7321 tr32(BUFMGR_DMA_DESC_POOL_SIZE));
7322
7323 /* Read DMA control block */
7324 printk("DEBUG: RDMAC_MODE[%08x] RDMAC_STATUS[%08x]\n",
7325 tr32(RDMAC_MODE), tr32(RDMAC_STATUS));
7326
7327 /* Write DMA control block */
7328 printk("DEBUG: WDMAC_MODE[%08x] WDMAC_STATUS[%08x]\n",
7329 tr32(WDMAC_MODE), tr32(WDMAC_STATUS));
7330
7331 /* DMA completion block */
7332 printk("DEBUG: DMAC_MODE[%08x]\n",
7333 tr32(DMAC_MODE));
7334
7335 /* GRC block */
7336 printk("DEBUG: GRC_MODE[%08x] GRC_MISC_CFG[%08x]\n",
7337 tr32(GRC_MODE), tr32(GRC_MISC_CFG));
7338 printk("DEBUG: GRC_LOCAL_CTRL[%08x]\n",
7339 tr32(GRC_LOCAL_CTRL));
7340
7341 /* TG3_BDINFOs */
7342 printk("DEBUG: RCVDBDI_JUMBO_BD[%08x%08x:%08x:%08x]\n",
7343 tr32(RCVDBDI_JUMBO_BD + 0x0),
7344 tr32(RCVDBDI_JUMBO_BD + 0x4),
7345 tr32(RCVDBDI_JUMBO_BD + 0x8),
7346 tr32(RCVDBDI_JUMBO_BD + 0xc));
7347 printk("DEBUG: RCVDBDI_STD_BD[%08x%08x:%08x:%08x]\n",
7348 tr32(RCVDBDI_STD_BD + 0x0),
7349 tr32(RCVDBDI_STD_BD + 0x4),
7350 tr32(RCVDBDI_STD_BD + 0x8),
7351 tr32(RCVDBDI_STD_BD + 0xc));
7352 printk("DEBUG: RCVDBDI_MINI_BD[%08x%08x:%08x:%08x]\n",
7353 tr32(RCVDBDI_MINI_BD + 0x0),
7354 tr32(RCVDBDI_MINI_BD + 0x4),
7355 tr32(RCVDBDI_MINI_BD + 0x8),
7356 tr32(RCVDBDI_MINI_BD + 0xc));
7357
7358 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x0, &val32);
7359 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x4, &val32_2);
7360 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0x8, &val32_3);
7361 tg3_read_mem(tp, NIC_SRAM_SEND_RCB + 0xc, &val32_4);
7362 printk("DEBUG: SRAM_SEND_RCB_0[%08x%08x:%08x:%08x]\n",
7363 val32, val32_2, val32_3, val32_4);
7364
7365 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x0, &val32);
7366 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x4, &val32_2);
7367 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0x8, &val32_3);
7368 tg3_read_mem(tp, NIC_SRAM_RCV_RET_RCB + 0xc, &val32_4);
7369 printk("DEBUG: SRAM_RCV_RET_RCB_0[%08x%08x:%08x:%08x]\n",
7370 val32, val32_2, val32_3, val32_4);
7371
7372 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x0, &val32);
7373 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x4, &val32_2);
7374 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x8, &val32_3);
7375 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0xc, &val32_4);
7376 tg3_read_mem(tp, NIC_SRAM_STATUS_BLK + 0x10, &val32_5);
7377 printk("DEBUG: SRAM_STATUS_BLK[%08x:%08x:%08x:%08x:%08x]\n",
7378 val32, val32_2, val32_3, val32_4, val32_5);
7379
7380 /* SW status block */
7381 printk("DEBUG: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n",
7382 tp->hw_status->status,
7383 tp->hw_status->status_tag,
7384 tp->hw_status->rx_jumbo_consumer,
7385 tp->hw_status->rx_consumer,
7386 tp->hw_status->rx_mini_consumer,
7387 tp->hw_status->idx[0].rx_producer,
7388 tp->hw_status->idx[0].tx_consumer);
7389
7390 /* SW statistics block */
7391 printk("DEBUG: Host statistics block [%08x:%08x:%08x:%08x]\n",
7392 ((u32 *)tp->hw_stats)[0],
7393 ((u32 *)tp->hw_stats)[1],
7394 ((u32 *)tp->hw_stats)[2],
7395 ((u32 *)tp->hw_stats)[3]);
7396
7397 /* Mailboxes */
7398 printk("DEBUG: SNDHOST_PROD[%08x%08x] SNDNIC_PROD[%08x%08x]\n",
Michael Chan09ee9292005-08-09 20:17:00 -07007399 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x0),
7400 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + 0x4),
7401 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x0),
7402 tr32_mailbox(MAILBOX_SNDNIC_PROD_IDX_0 + 0x4));
Linus Torvalds1da177e2005-04-16 15:20:36 -07007403
7404 /* NIC side send descriptors. */
7405 for (i = 0; i < 6; i++) {
7406 unsigned long txd;
7407
7408 txd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_TX_BUFFER_DESC
7409 + (i * sizeof(struct tg3_tx_buffer_desc));
7410 printk("DEBUG: NIC TXD(%d)[%08x:%08x:%08x:%08x]\n",
7411 i,
7412 readl(txd + 0x0), readl(txd + 0x4),
7413 readl(txd + 0x8), readl(txd + 0xc));
7414 }
7415
7416 /* NIC side RX descriptors. */
7417 for (i = 0; i < 6; i++) {
7418 unsigned long rxd;
7419
7420 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_BUFFER_DESC
7421 + (i * sizeof(struct tg3_rx_buffer_desc));
7422 printk("DEBUG: NIC RXD_STD(%d)[0][%08x:%08x:%08x:%08x]\n",
7423 i,
7424 readl(rxd + 0x0), readl(rxd + 0x4),
7425 readl(rxd + 0x8), readl(rxd + 0xc));
7426 rxd += (4 * sizeof(u32));
7427 printk("DEBUG: NIC RXD_STD(%d)[1][%08x:%08x:%08x:%08x]\n",
7428 i,
7429 readl(rxd + 0x0), readl(rxd + 0x4),
7430 readl(rxd + 0x8), readl(rxd + 0xc));
7431 }
7432
7433 for (i = 0; i < 6; i++) {
7434 unsigned long rxd;
7435
7436 rxd = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_RX_JUMBO_BUFFER_DESC
7437 + (i * sizeof(struct tg3_rx_buffer_desc));
7438 printk("DEBUG: NIC RXD_JUMBO(%d)[0][%08x:%08x:%08x:%08x]\n",
7439 i,
7440 readl(rxd + 0x0), readl(rxd + 0x4),
7441 readl(rxd + 0x8), readl(rxd + 0xc));
7442 rxd += (4 * sizeof(u32));
7443 printk("DEBUG: NIC RXD_JUMBO(%d)[1][%08x:%08x:%08x:%08x]\n",
7444 i,
7445 readl(rxd + 0x0), readl(rxd + 0x4),
7446 readl(rxd + 0x8), readl(rxd + 0xc));
7447 }
7448}
7449#endif
7450
7451static struct net_device_stats *tg3_get_stats(struct net_device *);
7452static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *);
7453
7454static int tg3_close(struct net_device *dev)
7455{
7456 struct tg3 *tp = netdev_priv(dev);
7457
Stephen Hemmingerbea33482007-10-03 16:41:36 -07007458 napi_disable(&tp->napi);
Oleg Nesterov28e53bd2007-05-09 02:34:22 -07007459 cancel_work_sync(&tp->reset_task);
Michael Chan7faa0062006-02-02 17:29:28 -08007460
Linus Torvalds1da177e2005-04-16 15:20:36 -07007461 netif_stop_queue(dev);
7462
7463 del_timer_sync(&tp->timer);
7464
David S. Millerf47c11e2005-06-24 20:18:35 -07007465 tg3_full_lock(tp, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007466#if 0
7467 tg3_dump_state(tp);
7468#endif
7469
7470 tg3_disable_ints(tp);
7471
Michael Chan944d9802005-05-29 14:57:48 -07007472 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007473 tg3_free_rings(tp);
Michael Chan5cf64b82007-05-05 12:11:21 -07007474 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007475
David S. Millerf47c11e2005-06-24 20:18:35 -07007476 tg3_full_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007477
Michael Chan88b06bc2005-04-21 17:13:25 -07007478 free_irq(tp->pdev->irq, dev);
7479 if (tp->tg3_flags2 & TG3_FLG2_USING_MSI) {
7480 pci_disable_msi(tp->pdev);
7481 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
7482 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07007483
7484 memcpy(&tp->net_stats_prev, tg3_get_stats(tp->dev),
7485 sizeof(tp->net_stats_prev));
7486 memcpy(&tp->estats_prev, tg3_get_estats(tp),
7487 sizeof(tp->estats_prev));
7488
7489 tg3_free_consistent(tp);
7490
Michael Chanbc1c7562006-03-20 17:48:03 -08007491 tg3_set_power_state(tp, PCI_D3hot);
7492
7493 netif_carrier_off(tp->dev);
7494
Linus Torvalds1da177e2005-04-16 15:20:36 -07007495 return 0;
7496}
7497
7498static inline unsigned long get_stat64(tg3_stat64_t *val)
7499{
7500 unsigned long ret;
7501
7502#if (BITS_PER_LONG == 32)
7503 ret = val->low;
7504#else
7505 ret = ((u64)val->high << 32) | ((u64)val->low);
7506#endif
7507 return ret;
7508}
7509
7510static unsigned long calc_crc_errors(struct tg3 *tp)
7511{
7512 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7513
7514 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) &&
7515 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
7516 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007517 u32 val;
7518
David S. Millerf47c11e2005-06-24 20:18:35 -07007519 spin_lock_bh(&tp->lock);
Michael Chan569a5df2007-02-13 12:18:15 -08007520 if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) {
7521 tg3_writephy(tp, MII_TG3_TEST1,
7522 val | MII_TG3_TEST1_CRC_EN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007523 tg3_readphy(tp, 0x14, &val);
7524 } else
7525 val = 0;
David S. Millerf47c11e2005-06-24 20:18:35 -07007526 spin_unlock_bh(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007527
7528 tp->phy_crc_errors += val;
7529
7530 return tp->phy_crc_errors;
7531 }
7532
7533 return get_stat64(&hw_stats->rx_fcs_errors);
7534}
7535
7536#define ESTAT_ADD(member) \
7537 estats->member = old_estats->member + \
7538 get_stat64(&hw_stats->member)
7539
7540static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp)
7541{
7542 struct tg3_ethtool_stats *estats = &tp->estats;
7543 struct tg3_ethtool_stats *old_estats = &tp->estats_prev;
7544 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7545
7546 if (!hw_stats)
7547 return old_estats;
7548
7549 ESTAT_ADD(rx_octets);
7550 ESTAT_ADD(rx_fragments);
7551 ESTAT_ADD(rx_ucast_packets);
7552 ESTAT_ADD(rx_mcast_packets);
7553 ESTAT_ADD(rx_bcast_packets);
7554 ESTAT_ADD(rx_fcs_errors);
7555 ESTAT_ADD(rx_align_errors);
7556 ESTAT_ADD(rx_xon_pause_rcvd);
7557 ESTAT_ADD(rx_xoff_pause_rcvd);
7558 ESTAT_ADD(rx_mac_ctrl_rcvd);
7559 ESTAT_ADD(rx_xoff_entered);
7560 ESTAT_ADD(rx_frame_too_long_errors);
7561 ESTAT_ADD(rx_jabbers);
7562 ESTAT_ADD(rx_undersize_packets);
7563 ESTAT_ADD(rx_in_length_errors);
7564 ESTAT_ADD(rx_out_length_errors);
7565 ESTAT_ADD(rx_64_or_less_octet_packets);
7566 ESTAT_ADD(rx_65_to_127_octet_packets);
7567 ESTAT_ADD(rx_128_to_255_octet_packets);
7568 ESTAT_ADD(rx_256_to_511_octet_packets);
7569 ESTAT_ADD(rx_512_to_1023_octet_packets);
7570 ESTAT_ADD(rx_1024_to_1522_octet_packets);
7571 ESTAT_ADD(rx_1523_to_2047_octet_packets);
7572 ESTAT_ADD(rx_2048_to_4095_octet_packets);
7573 ESTAT_ADD(rx_4096_to_8191_octet_packets);
7574 ESTAT_ADD(rx_8192_to_9022_octet_packets);
7575
7576 ESTAT_ADD(tx_octets);
7577 ESTAT_ADD(tx_collisions);
7578 ESTAT_ADD(tx_xon_sent);
7579 ESTAT_ADD(tx_xoff_sent);
7580 ESTAT_ADD(tx_flow_control);
7581 ESTAT_ADD(tx_mac_errors);
7582 ESTAT_ADD(tx_single_collisions);
7583 ESTAT_ADD(tx_mult_collisions);
7584 ESTAT_ADD(tx_deferred);
7585 ESTAT_ADD(tx_excessive_collisions);
7586 ESTAT_ADD(tx_late_collisions);
7587 ESTAT_ADD(tx_collide_2times);
7588 ESTAT_ADD(tx_collide_3times);
7589 ESTAT_ADD(tx_collide_4times);
7590 ESTAT_ADD(tx_collide_5times);
7591 ESTAT_ADD(tx_collide_6times);
7592 ESTAT_ADD(tx_collide_7times);
7593 ESTAT_ADD(tx_collide_8times);
7594 ESTAT_ADD(tx_collide_9times);
7595 ESTAT_ADD(tx_collide_10times);
7596 ESTAT_ADD(tx_collide_11times);
7597 ESTAT_ADD(tx_collide_12times);
7598 ESTAT_ADD(tx_collide_13times);
7599 ESTAT_ADD(tx_collide_14times);
7600 ESTAT_ADD(tx_collide_15times);
7601 ESTAT_ADD(tx_ucast_packets);
7602 ESTAT_ADD(tx_mcast_packets);
7603 ESTAT_ADD(tx_bcast_packets);
7604 ESTAT_ADD(tx_carrier_sense_errors);
7605 ESTAT_ADD(tx_discards);
7606 ESTAT_ADD(tx_errors);
7607
7608 ESTAT_ADD(dma_writeq_full);
7609 ESTAT_ADD(dma_write_prioq_full);
7610 ESTAT_ADD(rxbds_empty);
7611 ESTAT_ADD(rx_discards);
7612 ESTAT_ADD(rx_errors);
7613 ESTAT_ADD(rx_threshold_hit);
7614
7615 ESTAT_ADD(dma_readq_full);
7616 ESTAT_ADD(dma_read_prioq_full);
7617 ESTAT_ADD(tx_comp_queue_full);
7618
7619 ESTAT_ADD(ring_set_send_prod_index);
7620 ESTAT_ADD(ring_status_update);
7621 ESTAT_ADD(nic_irqs);
7622 ESTAT_ADD(nic_avoided_irqs);
7623 ESTAT_ADD(nic_tx_threshold_hit);
7624
7625 return estats;
7626}
7627
7628static struct net_device_stats *tg3_get_stats(struct net_device *dev)
7629{
7630 struct tg3 *tp = netdev_priv(dev);
7631 struct net_device_stats *stats = &tp->net_stats;
7632 struct net_device_stats *old_stats = &tp->net_stats_prev;
7633 struct tg3_hw_stats *hw_stats = tp->hw_stats;
7634
7635 if (!hw_stats)
7636 return old_stats;
7637
7638 stats->rx_packets = old_stats->rx_packets +
7639 get_stat64(&hw_stats->rx_ucast_packets) +
7640 get_stat64(&hw_stats->rx_mcast_packets) +
7641 get_stat64(&hw_stats->rx_bcast_packets);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007642
Linus Torvalds1da177e2005-04-16 15:20:36 -07007643 stats->tx_packets = old_stats->tx_packets +
7644 get_stat64(&hw_stats->tx_ucast_packets) +
7645 get_stat64(&hw_stats->tx_mcast_packets) +
7646 get_stat64(&hw_stats->tx_bcast_packets);
7647
7648 stats->rx_bytes = old_stats->rx_bytes +
7649 get_stat64(&hw_stats->rx_octets);
7650 stats->tx_bytes = old_stats->tx_bytes +
7651 get_stat64(&hw_stats->tx_octets);
7652
7653 stats->rx_errors = old_stats->rx_errors +
John W. Linville4f63b872005-09-12 14:43:18 -07007654 get_stat64(&hw_stats->rx_errors);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007655 stats->tx_errors = old_stats->tx_errors +
7656 get_stat64(&hw_stats->tx_errors) +
7657 get_stat64(&hw_stats->tx_mac_errors) +
7658 get_stat64(&hw_stats->tx_carrier_sense_errors) +
7659 get_stat64(&hw_stats->tx_discards);
7660
7661 stats->multicast = old_stats->multicast +
7662 get_stat64(&hw_stats->rx_mcast_packets);
7663 stats->collisions = old_stats->collisions +
7664 get_stat64(&hw_stats->tx_collisions);
7665
7666 stats->rx_length_errors = old_stats->rx_length_errors +
7667 get_stat64(&hw_stats->rx_frame_too_long_errors) +
7668 get_stat64(&hw_stats->rx_undersize_packets);
7669
7670 stats->rx_over_errors = old_stats->rx_over_errors +
7671 get_stat64(&hw_stats->rxbds_empty);
7672 stats->rx_frame_errors = old_stats->rx_frame_errors +
7673 get_stat64(&hw_stats->rx_align_errors);
7674 stats->tx_aborted_errors = old_stats->tx_aborted_errors +
7675 get_stat64(&hw_stats->tx_discards);
7676 stats->tx_carrier_errors = old_stats->tx_carrier_errors +
7677 get_stat64(&hw_stats->tx_carrier_sense_errors);
7678
7679 stats->rx_crc_errors = old_stats->rx_crc_errors +
7680 calc_crc_errors(tp);
7681
John W. Linville4f63b872005-09-12 14:43:18 -07007682 stats->rx_missed_errors = old_stats->rx_missed_errors +
7683 get_stat64(&hw_stats->rx_discards);
7684
Linus Torvalds1da177e2005-04-16 15:20:36 -07007685 return stats;
7686}
7687
7688static inline u32 calc_crc(unsigned char *buf, int len)
7689{
7690 u32 reg;
7691 u32 tmp;
7692 int j, k;
7693
7694 reg = 0xffffffff;
7695
7696 for (j = 0; j < len; j++) {
7697 reg ^= buf[j];
7698
7699 for (k = 0; k < 8; k++) {
7700 tmp = reg & 0x01;
7701
7702 reg >>= 1;
7703
7704 if (tmp) {
7705 reg ^= 0xedb88320;
7706 }
7707 }
7708 }
7709
7710 return ~reg;
7711}
7712
7713static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all)
7714{
7715 /* accept or reject all multicast frames */
7716 tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0);
7717 tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0);
7718 tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0);
7719 tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0);
7720}
7721
7722static void __tg3_set_rx_mode(struct net_device *dev)
7723{
7724 struct tg3 *tp = netdev_priv(dev);
7725 u32 rx_mode;
7726
7727 rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
7728 RX_MODE_KEEP_VLAN_TAG);
7729
7730 /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
7731 * flag clear.
7732 */
7733#if TG3_VLAN_TAG_USED
7734 if (!tp->vlgrp &&
7735 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7736 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7737#else
7738 /* By definition, VLAN is disabled always in this
7739 * case.
7740 */
7741 if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
7742 rx_mode |= RX_MODE_KEEP_VLAN_TAG;
7743#endif
7744
7745 if (dev->flags & IFF_PROMISC) {
7746 /* Promiscuous mode. */
7747 rx_mode |= RX_MODE_PROMISC;
7748 } else if (dev->flags & IFF_ALLMULTI) {
7749 /* Accept all multicast. */
7750 tg3_set_multi (tp, 1);
7751 } else if (dev->mc_count < 1) {
7752 /* Reject all multicast. */
7753 tg3_set_multi (tp, 0);
7754 } else {
7755 /* Accept one or more multicast(s). */
7756 struct dev_mc_list *mclist;
7757 unsigned int i;
7758 u32 mc_filter[4] = { 0, };
7759 u32 regidx;
7760 u32 bit;
7761 u32 crc;
7762
7763 for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
7764 i++, mclist = mclist->next) {
7765
7766 crc = calc_crc (mclist->dmi_addr, ETH_ALEN);
7767 bit = ~crc & 0x7f;
7768 regidx = (bit & 0x60) >> 5;
7769 bit &= 0x1f;
7770 mc_filter[regidx] |= (1 << bit);
7771 }
7772
7773 tw32(MAC_HASH_REG_0, mc_filter[0]);
7774 tw32(MAC_HASH_REG_1, mc_filter[1]);
7775 tw32(MAC_HASH_REG_2, mc_filter[2]);
7776 tw32(MAC_HASH_REG_3, mc_filter[3]);
7777 }
7778
7779 if (rx_mode != tp->rx_mode) {
7780 tp->rx_mode = rx_mode;
7781 tw32_f(MAC_RX_MODE, rx_mode);
7782 udelay(10);
7783 }
7784}
7785
7786static void tg3_set_rx_mode(struct net_device *dev)
7787{
7788 struct tg3 *tp = netdev_priv(dev);
7789
Michael Chane75f7c92006-03-20 21:33:26 -08007790 if (!netif_running(dev))
7791 return;
7792
David S. Millerf47c11e2005-06-24 20:18:35 -07007793 tg3_full_lock(tp, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007794 __tg3_set_rx_mode(dev);
David S. Millerf47c11e2005-06-24 20:18:35 -07007795 tg3_full_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007796}
7797
7798#define TG3_REGDUMP_LEN (32 * 1024)
7799
7800static int tg3_get_regs_len(struct net_device *dev)
7801{
7802 return TG3_REGDUMP_LEN;
7803}
7804
7805static void tg3_get_regs(struct net_device *dev,
7806 struct ethtool_regs *regs, void *_p)
7807{
7808 u32 *p = _p;
7809 struct tg3 *tp = netdev_priv(dev);
7810 u8 *orig_p = _p;
7811 int i;
7812
7813 regs->version = 0;
7814
7815 memset(p, 0, TG3_REGDUMP_LEN);
7816
Michael Chanbc1c7562006-03-20 17:48:03 -08007817 if (tp->link_config.phy_is_low_power)
7818 return;
7819
David S. Millerf47c11e2005-06-24 20:18:35 -07007820 tg3_full_lock(tp, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007821
7822#define __GET_REG32(reg) (*(p)++ = tr32(reg))
7823#define GET_REG32_LOOP(base,len) \
7824do { p = (u32 *)(orig_p + (base)); \
7825 for (i = 0; i < len; i += 4) \
7826 __GET_REG32((base) + i); \
7827} while (0)
7828#define GET_REG32_1(reg) \
7829do { p = (u32 *)(orig_p + (reg)); \
7830 __GET_REG32((reg)); \
7831} while (0)
7832
7833 GET_REG32_LOOP(TG3PCI_VENDOR, 0xb0);
7834 GET_REG32_LOOP(MAILBOX_INTERRUPT_0, 0x200);
7835 GET_REG32_LOOP(MAC_MODE, 0x4f0);
7836 GET_REG32_LOOP(SNDDATAI_MODE, 0xe0);
7837 GET_REG32_1(SNDDATAC_MODE);
7838 GET_REG32_LOOP(SNDBDS_MODE, 0x80);
7839 GET_REG32_LOOP(SNDBDI_MODE, 0x48);
7840 GET_REG32_1(SNDBDC_MODE);
7841 GET_REG32_LOOP(RCVLPC_MODE, 0x20);
7842 GET_REG32_LOOP(RCVLPC_SELLST_BASE, 0x15c);
7843 GET_REG32_LOOP(RCVDBDI_MODE, 0x0c);
7844 GET_REG32_LOOP(RCVDBDI_JUMBO_BD, 0x3c);
7845 GET_REG32_LOOP(RCVDBDI_BD_PROD_IDX_0, 0x44);
7846 GET_REG32_1(RCVDCC_MODE);
7847 GET_REG32_LOOP(RCVBDI_MODE, 0x20);
7848 GET_REG32_LOOP(RCVCC_MODE, 0x14);
7849 GET_REG32_LOOP(RCVLSC_MODE, 0x08);
7850 GET_REG32_1(MBFREE_MODE);
7851 GET_REG32_LOOP(HOSTCC_MODE, 0x100);
7852 GET_REG32_LOOP(MEMARB_MODE, 0x10);
7853 GET_REG32_LOOP(BUFMGR_MODE, 0x58);
7854 GET_REG32_LOOP(RDMAC_MODE, 0x08);
7855 GET_REG32_LOOP(WDMAC_MODE, 0x08);
Chris Elmquist091465d2005-12-20 13:25:19 -08007856 GET_REG32_1(RX_CPU_MODE);
7857 GET_REG32_1(RX_CPU_STATE);
7858 GET_REG32_1(RX_CPU_PGMCTR);
7859 GET_REG32_1(RX_CPU_HWBKPT);
7860 GET_REG32_1(TX_CPU_MODE);
7861 GET_REG32_1(TX_CPU_STATE);
7862 GET_REG32_1(TX_CPU_PGMCTR);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007863 GET_REG32_LOOP(GRCMBOX_INTERRUPT_0, 0x110);
7864 GET_REG32_LOOP(FTQ_RESET, 0x120);
7865 GET_REG32_LOOP(MSGINT_MODE, 0x0c);
7866 GET_REG32_1(DMAC_MODE);
7867 GET_REG32_LOOP(GRC_MODE, 0x4c);
7868 if (tp->tg3_flags & TG3_FLAG_NVRAM)
7869 GET_REG32_LOOP(NVRAM_CMD, 0x24);
7870
7871#undef __GET_REG32
7872#undef GET_REG32_LOOP
7873#undef GET_REG32_1
7874
David S. Millerf47c11e2005-06-24 20:18:35 -07007875 tg3_full_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007876}
7877
7878static int tg3_get_eeprom_len(struct net_device *dev)
7879{
7880 struct tg3 *tp = netdev_priv(dev);
7881
7882 return tp->nvram_size;
7883}
7884
7885static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val);
Michael Chan18201802006-03-20 22:29:15 -08007886static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007887
7888static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7889{
7890 struct tg3 *tp = netdev_priv(dev);
7891 int ret;
7892 u8 *pd;
7893 u32 i, offset, len, val, b_offset, b_count;
7894
Michael Chanbc1c7562006-03-20 17:48:03 -08007895 if (tp->link_config.phy_is_low_power)
7896 return -EAGAIN;
7897
Linus Torvalds1da177e2005-04-16 15:20:36 -07007898 offset = eeprom->offset;
7899 len = eeprom->len;
7900 eeprom->len = 0;
7901
7902 eeprom->magic = TG3_EEPROM_MAGIC;
7903
7904 if (offset & 3) {
7905 /* adjustments to start on required 4 byte boundary */
7906 b_offset = offset & 3;
7907 b_count = 4 - b_offset;
7908 if (b_count > len) {
7909 /* i.e. offset=1 len=2 */
7910 b_count = len;
7911 }
7912 ret = tg3_nvram_read(tp, offset-b_offset, &val);
7913 if (ret)
7914 return ret;
7915 val = cpu_to_le32(val);
7916 memcpy(data, ((char*)&val) + b_offset, b_count);
7917 len -= b_count;
7918 offset += b_count;
7919 eeprom->len += b_count;
7920 }
7921
7922 /* read bytes upto the last 4 byte boundary */
7923 pd = &data[eeprom->len];
7924 for (i = 0; i < (len - (len & 3)); i += 4) {
7925 ret = tg3_nvram_read(tp, offset + i, &val);
7926 if (ret) {
7927 eeprom->len += i;
7928 return ret;
7929 }
7930 val = cpu_to_le32(val);
7931 memcpy(pd + i, &val, 4);
7932 }
7933 eeprom->len += i;
7934
7935 if (len & 3) {
7936 /* read last bytes not ending on 4 byte boundary */
7937 pd = &data[eeprom->len];
7938 b_count = len & 3;
7939 b_offset = offset + len - b_count;
7940 ret = tg3_nvram_read(tp, b_offset, &val);
7941 if (ret)
7942 return ret;
7943 val = cpu_to_le32(val);
7944 memcpy(pd, ((char*)&val), b_count);
7945 eeprom->len += b_count;
7946 }
7947 return 0;
7948}
7949
Jeff Garzik6aa20a22006-09-13 13:24:59 -04007950static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf);
Linus Torvalds1da177e2005-04-16 15:20:36 -07007951
7952static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data)
7953{
7954 struct tg3 *tp = netdev_priv(dev);
7955 int ret;
7956 u32 offset, len, b_offset, odd_len, start, end;
7957 u8 *buf;
7958
Michael Chanbc1c7562006-03-20 17:48:03 -08007959 if (tp->link_config.phy_is_low_power)
7960 return -EAGAIN;
7961
Linus Torvalds1da177e2005-04-16 15:20:36 -07007962 if (eeprom->magic != TG3_EEPROM_MAGIC)
7963 return -EINVAL;
7964
7965 offset = eeprom->offset;
7966 len = eeprom->len;
7967
7968 if ((b_offset = (offset & 3))) {
7969 /* adjustments to start on required 4 byte boundary */
7970 ret = tg3_nvram_read(tp, offset-b_offset, &start);
7971 if (ret)
7972 return ret;
7973 start = cpu_to_le32(start);
7974 len += b_offset;
7975 offset &= ~3;
Michael Chan1c8594b2005-04-21 17:12:46 -07007976 if (len < 4)
7977 len = 4;
Linus Torvalds1da177e2005-04-16 15:20:36 -07007978 }
7979
7980 odd_len = 0;
Michael Chan1c8594b2005-04-21 17:12:46 -07007981 if (len & 3) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07007982 /* adjustments to end on required 4 byte boundary */
7983 odd_len = 1;
7984 len = (len + 3) & ~3;
7985 ret = tg3_nvram_read(tp, offset+len-4, &end);
7986 if (ret)
7987 return ret;
7988 end = cpu_to_le32(end);
7989 }
7990
7991 buf = data;
7992 if (b_offset || odd_len) {
7993 buf = kmalloc(len, GFP_KERNEL);
7994 if (buf == 0)
7995 return -ENOMEM;
7996 if (b_offset)
7997 memcpy(buf, &start, 4);
7998 if (odd_len)
7999 memcpy(buf+len-4, &end, 4);
8000 memcpy(buf + b_offset, data, eeprom->len);
8001 }
8002
8003 ret = tg3_nvram_write_block(tp, offset, len, buf);
8004
8005 if (buf != data)
8006 kfree(buf);
8007
8008 return ret;
8009}
8010
8011static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8012{
8013 struct tg3 *tp = netdev_priv(dev);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008014
Linus Torvalds1da177e2005-04-16 15:20:36 -07008015 cmd->supported = (SUPPORTED_Autoneg);
8016
8017 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
8018 cmd->supported |= (SUPPORTED_1000baseT_Half |
8019 SUPPORTED_1000baseT_Full);
8020
Karsten Keilef348142006-05-12 12:49:08 -07008021 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008022 cmd->supported |= (SUPPORTED_100baseT_Half |
8023 SUPPORTED_100baseT_Full |
8024 SUPPORTED_10baseT_Half |
8025 SUPPORTED_10baseT_Full |
8026 SUPPORTED_MII);
Karsten Keilef348142006-05-12 12:49:08 -07008027 cmd->port = PORT_TP;
8028 } else {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008029 cmd->supported |= SUPPORTED_FIBRE;
Karsten Keilef348142006-05-12 12:49:08 -07008030 cmd->port = PORT_FIBRE;
8031 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008032
Linus Torvalds1da177e2005-04-16 15:20:36 -07008033 cmd->advertising = tp->link_config.advertising;
8034 if (netif_running(dev)) {
8035 cmd->speed = tp->link_config.active_speed;
8036 cmd->duplex = tp->link_config.active_duplex;
8037 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07008038 cmd->phy_address = PHY_ADDR;
8039 cmd->transceiver = 0;
8040 cmd->autoneg = tp->link_config.autoneg;
8041 cmd->maxtxpkt = 0;
8042 cmd->maxrxpkt = 0;
8043 return 0;
8044}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008045
Linus Torvalds1da177e2005-04-16 15:20:36 -07008046static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
8047{
8048 struct tg3 *tp = netdev_priv(dev);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008049
8050 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008051 /* These are the only valid advertisement bits allowed. */
8052 if (cmd->autoneg == AUTONEG_ENABLE &&
8053 (cmd->advertising & ~(ADVERTISED_1000baseT_Half |
8054 ADVERTISED_1000baseT_Full |
8055 ADVERTISED_Autoneg |
8056 ADVERTISED_FIBRE)))
8057 return -EINVAL;
Michael Chan37ff2382005-10-26 15:49:51 -07008058 /* Fiber can only do SPEED_1000. */
8059 else if ((cmd->autoneg != AUTONEG_ENABLE) &&
8060 (cmd->speed != SPEED_1000))
8061 return -EINVAL;
8062 /* Copper cannot force SPEED_1000. */
8063 } else if ((cmd->autoneg != AUTONEG_ENABLE) &&
8064 (cmd->speed == SPEED_1000))
8065 return -EINVAL;
8066 else if ((cmd->speed == SPEED_1000) &&
8067 (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
8068 return -EINVAL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07008069
David S. Millerf47c11e2005-06-24 20:18:35 -07008070 tg3_full_lock(tp, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008071
8072 tp->link_config.autoneg = cmd->autoneg;
8073 if (cmd->autoneg == AUTONEG_ENABLE) {
8074 tp->link_config.advertising = cmd->advertising;
8075 tp->link_config.speed = SPEED_INVALID;
8076 tp->link_config.duplex = DUPLEX_INVALID;
8077 } else {
8078 tp->link_config.advertising = 0;
8079 tp->link_config.speed = cmd->speed;
8080 tp->link_config.duplex = cmd->duplex;
8081 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008082
Michael Chan24fcad62006-12-17 17:06:46 -08008083 tp->link_config.orig_speed = tp->link_config.speed;
8084 tp->link_config.orig_duplex = tp->link_config.duplex;
8085 tp->link_config.orig_autoneg = tp->link_config.autoneg;
8086
Linus Torvalds1da177e2005-04-16 15:20:36 -07008087 if (netif_running(dev))
8088 tg3_setup_phy(tp, 1);
8089
David S. Millerf47c11e2005-06-24 20:18:35 -07008090 tg3_full_unlock(tp);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008091
Linus Torvalds1da177e2005-04-16 15:20:36 -07008092 return 0;
8093}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008094
Linus Torvalds1da177e2005-04-16 15:20:36 -07008095static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
8096{
8097 struct tg3 *tp = netdev_priv(dev);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008098
Linus Torvalds1da177e2005-04-16 15:20:36 -07008099 strcpy(info->driver, DRV_MODULE_NAME);
8100 strcpy(info->version, DRV_MODULE_VERSION);
Michael Chanc4e65752006-03-20 22:29:32 -08008101 strcpy(info->fw_version, tp->fw_ver);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008102 strcpy(info->bus_info, pci_name(tp->pdev));
8103}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008104
Linus Torvalds1da177e2005-04-16 15:20:36 -07008105static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8106{
8107 struct tg3 *tp = netdev_priv(dev);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008108
Gary Zambranoa85feb82007-05-05 11:52:19 -07008109 if (tp->tg3_flags & TG3_FLAG_WOL_CAP)
8110 wol->supported = WAKE_MAGIC;
8111 else
8112 wol->supported = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07008113 wol->wolopts = 0;
8114 if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)
8115 wol->wolopts = WAKE_MAGIC;
8116 memset(&wol->sopass, 0, sizeof(wol->sopass));
8117}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008118
Linus Torvalds1da177e2005-04-16 15:20:36 -07008119static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8120{
8121 struct tg3 *tp = netdev_priv(dev);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008122
Linus Torvalds1da177e2005-04-16 15:20:36 -07008123 if (wol->wolopts & ~WAKE_MAGIC)
8124 return -EINVAL;
8125 if ((wol->wolopts & WAKE_MAGIC) &&
Gary Zambranoa85feb82007-05-05 11:52:19 -07008126 !(tp->tg3_flags & TG3_FLAG_WOL_CAP))
Linus Torvalds1da177e2005-04-16 15:20:36 -07008127 return -EINVAL;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008128
David S. Millerf47c11e2005-06-24 20:18:35 -07008129 spin_lock_bh(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008130 if (wol->wolopts & WAKE_MAGIC)
8131 tp->tg3_flags |= TG3_FLAG_WOL_ENABLE;
8132 else
8133 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
David S. Millerf47c11e2005-06-24 20:18:35 -07008134 spin_unlock_bh(&tp->lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008135
Linus Torvalds1da177e2005-04-16 15:20:36 -07008136 return 0;
8137}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008138
Linus Torvalds1da177e2005-04-16 15:20:36 -07008139static u32 tg3_get_msglevel(struct net_device *dev)
8140{
8141 struct tg3 *tp = netdev_priv(dev);
8142 return tp->msg_enable;
8143}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008144
Linus Torvalds1da177e2005-04-16 15:20:36 -07008145static void tg3_set_msglevel(struct net_device *dev, u32 value)
8146{
8147 struct tg3 *tp = netdev_priv(dev);
8148 tp->msg_enable = value;
8149}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008150
Linus Torvalds1da177e2005-04-16 15:20:36 -07008151static int tg3_set_tso(struct net_device *dev, u32 value)
8152{
8153 struct tg3 *tp = netdev_priv(dev);
8154
8155 if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
8156 if (value)
8157 return -EINVAL;
8158 return 0;
8159 }
Michael Chanb5d37722006-09-27 16:06:21 -07008160 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
8161 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
Michael Chanb0026622006-07-03 19:42:14 -07008162 if (value)
8163 dev->features |= NETIF_F_TSO6;
8164 else
8165 dev->features &= ~NETIF_F_TSO6;
8166 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07008167 return ethtool_op_set_tso(dev, value);
8168}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008169
Linus Torvalds1da177e2005-04-16 15:20:36 -07008170static int tg3_nway_reset(struct net_device *dev)
8171{
8172 struct tg3 *tp = netdev_priv(dev);
8173 u32 bmcr;
8174 int r;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008175
Linus Torvalds1da177e2005-04-16 15:20:36 -07008176 if (!netif_running(dev))
8177 return -EAGAIN;
8178
Michael Chanc94e3942005-09-27 12:12:42 -07008179 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
8180 return -EINVAL;
8181
David S. Millerf47c11e2005-06-24 20:18:35 -07008182 spin_lock_bh(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008183 r = -EINVAL;
8184 tg3_readphy(tp, MII_BMCR, &bmcr);
8185 if (!tg3_readphy(tp, MII_BMCR, &bmcr) &&
Michael Chanc94e3942005-09-27 12:12:42 -07008186 ((bmcr & BMCR_ANENABLE) ||
8187 (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT))) {
8188 tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART |
8189 BMCR_ANENABLE);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008190 r = 0;
8191 }
David S. Millerf47c11e2005-06-24 20:18:35 -07008192 spin_unlock_bh(&tp->lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008193
Linus Torvalds1da177e2005-04-16 15:20:36 -07008194 return r;
8195}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008196
Linus Torvalds1da177e2005-04-16 15:20:36 -07008197static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8198{
8199 struct tg3 *tp = netdev_priv(dev);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008200
Linus Torvalds1da177e2005-04-16 15:20:36 -07008201 ering->rx_max_pending = TG3_RX_RING_SIZE - 1;
8202 ering->rx_mini_max_pending = 0;
Michael Chan4f81c322006-03-20 21:33:42 -08008203 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8204 ering->rx_jumbo_max_pending = TG3_RX_JUMBO_RING_SIZE - 1;
8205 else
8206 ering->rx_jumbo_max_pending = 0;
8207
8208 ering->tx_max_pending = TG3_TX_RING_SIZE - 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07008209
8210 ering->rx_pending = tp->rx_pending;
8211 ering->rx_mini_pending = 0;
Michael Chan4f81c322006-03-20 21:33:42 -08008212 if (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE)
8213 ering->rx_jumbo_pending = tp->rx_jumbo_pending;
8214 else
8215 ering->rx_jumbo_pending = 0;
8216
Linus Torvalds1da177e2005-04-16 15:20:36 -07008217 ering->tx_pending = tp->tx_pending;
8218}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008219
Linus Torvalds1da177e2005-04-16 15:20:36 -07008220static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
8221{
8222 struct tg3 *tp = netdev_priv(dev);
Michael Chanb9ec6c12006-07-25 16:37:27 -07008223 int irq_sync = 0, err = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008224
Linus Torvalds1da177e2005-04-16 15:20:36 -07008225 if ((ering->rx_pending > TG3_RX_RING_SIZE - 1) ||
8226 (ering->rx_jumbo_pending > TG3_RX_JUMBO_RING_SIZE - 1) ||
Michael Chanbc3a9252006-10-18 20:55:18 -07008227 (ering->tx_pending > TG3_TX_RING_SIZE - 1) ||
8228 (ering->tx_pending <= MAX_SKB_FRAGS) ||
Michael Chan7f62ad52007-02-20 23:25:40 -08008229 ((tp->tg3_flags2 & TG3_FLG2_TSO_BUG) &&
Michael Chanbc3a9252006-10-18 20:55:18 -07008230 (ering->tx_pending <= (MAX_SKB_FRAGS * 3))))
Linus Torvalds1da177e2005-04-16 15:20:36 -07008231 return -EINVAL;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008232
Michael Chanbbe832c2005-06-24 20:20:04 -07008233 if (netif_running(dev)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008234 tg3_netif_stop(tp);
Michael Chanbbe832c2005-06-24 20:20:04 -07008235 irq_sync = 1;
8236 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07008237
Michael Chanbbe832c2005-06-24 20:20:04 -07008238 tg3_full_lock(tp, irq_sync);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008239
Linus Torvalds1da177e2005-04-16 15:20:36 -07008240 tp->rx_pending = ering->rx_pending;
8241
8242 if ((tp->tg3_flags2 & TG3_FLG2_MAX_RXPEND_64) &&
8243 tp->rx_pending > 63)
8244 tp->rx_pending = 63;
8245 tp->rx_jumbo_pending = ering->rx_jumbo_pending;
8246 tp->tx_pending = ering->tx_pending;
8247
8248 if (netif_running(dev)) {
Michael Chan944d9802005-05-29 14:57:48 -07008249 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
Michael Chanb9ec6c12006-07-25 16:37:27 -07008250 err = tg3_restart_hw(tp, 1);
8251 if (!err)
8252 tg3_netif_start(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008253 }
8254
David S. Millerf47c11e2005-06-24 20:18:35 -07008255 tg3_full_unlock(tp);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008256
Michael Chanb9ec6c12006-07-25 16:37:27 -07008257 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07008258}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008259
Linus Torvalds1da177e2005-04-16 15:20:36 -07008260static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8261{
8262 struct tg3 *tp = netdev_priv(dev);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008263
Linus Torvalds1da177e2005-04-16 15:20:36 -07008264 epause->autoneg = (tp->tg3_flags & TG3_FLAG_PAUSE_AUTONEG) != 0;
8265 epause->rx_pause = (tp->tg3_flags & TG3_FLAG_RX_PAUSE) != 0;
8266 epause->tx_pause = (tp->tg3_flags & TG3_FLAG_TX_PAUSE) != 0;
8267}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008268
Linus Torvalds1da177e2005-04-16 15:20:36 -07008269static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause)
8270{
8271 struct tg3 *tp = netdev_priv(dev);
Michael Chanb9ec6c12006-07-25 16:37:27 -07008272 int irq_sync = 0, err = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008273
Michael Chanbbe832c2005-06-24 20:20:04 -07008274 if (netif_running(dev)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07008275 tg3_netif_stop(tp);
Michael Chanbbe832c2005-06-24 20:20:04 -07008276 irq_sync = 1;
8277 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07008278
Michael Chanbbe832c2005-06-24 20:20:04 -07008279 tg3_full_lock(tp, irq_sync);
David S. Millerf47c11e2005-06-24 20:18:35 -07008280
Linus Torvalds1da177e2005-04-16 15:20:36 -07008281 if (epause->autoneg)
8282 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
8283 else
8284 tp->tg3_flags &= ~TG3_FLAG_PAUSE_AUTONEG;
8285 if (epause->rx_pause)
8286 tp->tg3_flags |= TG3_FLAG_RX_PAUSE;
8287 else
8288 tp->tg3_flags &= ~TG3_FLAG_RX_PAUSE;
8289 if (epause->tx_pause)
8290 tp->tg3_flags |= TG3_FLAG_TX_PAUSE;
8291 else
8292 tp->tg3_flags &= ~TG3_FLAG_TX_PAUSE;
8293
8294 if (netif_running(dev)) {
Michael Chan944d9802005-05-29 14:57:48 -07008295 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
Michael Chanb9ec6c12006-07-25 16:37:27 -07008296 err = tg3_restart_hw(tp, 1);
8297 if (!err)
8298 tg3_netif_start(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008299 }
David S. Millerf47c11e2005-06-24 20:18:35 -07008300
8301 tg3_full_unlock(tp);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008302
Michael Chanb9ec6c12006-07-25 16:37:27 -07008303 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -07008304}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008305
Linus Torvalds1da177e2005-04-16 15:20:36 -07008306static u32 tg3_get_rx_csum(struct net_device *dev)
8307{
8308 struct tg3 *tp = netdev_priv(dev);
8309 return (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0;
8310}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008311
Linus Torvalds1da177e2005-04-16 15:20:36 -07008312static int tg3_set_rx_csum(struct net_device *dev, u32 data)
8313{
8314 struct tg3 *tp = netdev_priv(dev);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008315
Linus Torvalds1da177e2005-04-16 15:20:36 -07008316 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8317 if (data != 0)
8318 return -EINVAL;
8319 return 0;
8320 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008321
David S. Millerf47c11e2005-06-24 20:18:35 -07008322 spin_lock_bh(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008323 if (data)
8324 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
8325 else
8326 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
David S. Millerf47c11e2005-06-24 20:18:35 -07008327 spin_unlock_bh(&tp->lock);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008328
Linus Torvalds1da177e2005-04-16 15:20:36 -07008329 return 0;
8330}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008331
Linus Torvalds1da177e2005-04-16 15:20:36 -07008332static int tg3_set_tx_csum(struct net_device *dev, u32 data)
8333{
8334 struct tg3 *tp = netdev_priv(dev);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008335
Linus Torvalds1da177e2005-04-16 15:20:36 -07008336 if (tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) {
8337 if (data != 0)
8338 return -EINVAL;
8339 return 0;
8340 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008341
Michael Chanaf36e6b2006-03-23 01:28:06 -08008342 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8343 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
Michael Chan6460d942007-07-14 19:07:52 -07008344 ethtool_op_set_tx_ipv6_csum(dev, data);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008345 else
Michael Chan9c27dbd2006-03-20 22:28:27 -08008346 ethtool_op_set_tx_csum(dev, data);
Linus Torvalds1da177e2005-04-16 15:20:36 -07008347
8348 return 0;
8349}
8350
8351static int tg3_get_stats_count (struct net_device *dev)
8352{
8353 return TG3_NUM_STATS;
8354}
8355
Michael Chan4cafd3f2005-05-29 14:56:34 -07008356static int tg3_get_test_count (struct net_device *dev)
8357{
8358 return TG3_NUM_TEST;
8359}
8360
Linus Torvalds1da177e2005-04-16 15:20:36 -07008361static void tg3_get_strings (struct net_device *dev, u32 stringset, u8 *buf)
8362{
8363 switch (stringset) {
8364 case ETH_SS_STATS:
8365 memcpy(buf, &ethtool_stats_keys, sizeof(ethtool_stats_keys));
8366 break;
Michael Chan4cafd3f2005-05-29 14:56:34 -07008367 case ETH_SS_TEST:
8368 memcpy(buf, &ethtool_test_keys, sizeof(ethtool_test_keys));
8369 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07008370 default:
8371 WARN_ON(1); /* we need a WARN() */
8372 break;
8373 }
8374}
8375
Michael Chan4009a932005-09-05 17:52:54 -07008376static int tg3_phys_id(struct net_device *dev, u32 data)
8377{
8378 struct tg3 *tp = netdev_priv(dev);
8379 int i;
8380
8381 if (!netif_running(tp->dev))
8382 return -EAGAIN;
8383
8384 if (data == 0)
8385 data = 2;
8386
8387 for (i = 0; i < (data * 2); i++) {
8388 if ((i % 2) == 0)
8389 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8390 LED_CTRL_1000MBPS_ON |
8391 LED_CTRL_100MBPS_ON |
8392 LED_CTRL_10MBPS_ON |
8393 LED_CTRL_TRAFFIC_OVERRIDE |
8394 LED_CTRL_TRAFFIC_BLINK |
8395 LED_CTRL_TRAFFIC_LED);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008396
Michael Chan4009a932005-09-05 17:52:54 -07008397 else
8398 tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE |
8399 LED_CTRL_TRAFFIC_OVERRIDE);
8400
8401 if (msleep_interruptible(500))
8402 break;
8403 }
8404 tw32(MAC_LED_CTRL, tp->led_ctrl);
8405 return 0;
8406}
8407
Linus Torvalds1da177e2005-04-16 15:20:36 -07008408static void tg3_get_ethtool_stats (struct net_device *dev,
8409 struct ethtool_stats *estats, u64 *tmp_stats)
8410{
8411 struct tg3 *tp = netdev_priv(dev);
8412 memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats));
8413}
8414
Michael Chan566f86a2005-05-29 14:56:58 -07008415#define NVRAM_TEST_SIZE 0x100
Michael Chan1b277772006-03-20 22:27:48 -08008416#define NVRAM_SELFBOOT_FORMAT1_SIZE 0x14
Michael Chanb16250e2006-09-27 16:10:14 -07008417#define NVRAM_SELFBOOT_HW_SIZE 0x20
8418#define NVRAM_SELFBOOT_DATA_SIZE 0x1c
Michael Chan566f86a2005-05-29 14:56:58 -07008419
8420static int tg3_test_nvram(struct tg3 *tp)
8421{
Michael Chan1b277772006-03-20 22:27:48 -08008422 u32 *buf, csum, magic;
8423 int i, j, err = 0, size;
Michael Chan566f86a2005-05-29 14:56:58 -07008424
Michael Chan18201802006-03-20 22:29:15 -08008425 if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
Michael Chan1b277772006-03-20 22:27:48 -08008426 return -EIO;
8427
Michael Chan1b277772006-03-20 22:27:48 -08008428 if (magic == TG3_EEPROM_MAGIC)
8429 size = NVRAM_TEST_SIZE;
Michael Chanb16250e2006-09-27 16:10:14 -07008430 else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) {
Michael Chan1b277772006-03-20 22:27:48 -08008431 if ((magic & 0xe00000) == 0x200000)
8432 size = NVRAM_SELFBOOT_FORMAT1_SIZE;
8433 else
8434 return 0;
Michael Chanb16250e2006-09-27 16:10:14 -07008435 } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
8436 size = NVRAM_SELFBOOT_HW_SIZE;
8437 else
Michael Chan1b277772006-03-20 22:27:48 -08008438 return -EIO;
8439
8440 buf = kmalloc(size, GFP_KERNEL);
Michael Chan566f86a2005-05-29 14:56:58 -07008441 if (buf == NULL)
8442 return -ENOMEM;
8443
Michael Chan1b277772006-03-20 22:27:48 -08008444 err = -EIO;
8445 for (i = 0, j = 0; i < size; i += 4, j++) {
Michael Chan566f86a2005-05-29 14:56:58 -07008446 u32 val;
8447
8448 if ((err = tg3_nvram_read(tp, i, &val)) != 0)
8449 break;
8450 buf[j] = cpu_to_le32(val);
8451 }
Michael Chan1b277772006-03-20 22:27:48 -08008452 if (i < size)
Michael Chan566f86a2005-05-29 14:56:58 -07008453 goto out;
8454
Michael Chan1b277772006-03-20 22:27:48 -08008455 /* Selfboot format */
Michael Chanb16250e2006-09-27 16:10:14 -07008456 if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_FW_MSK) ==
8457 TG3_EEPROM_MAGIC_FW) {
Michael Chan1b277772006-03-20 22:27:48 -08008458 u8 *buf8 = (u8 *) buf, csum8 = 0;
8459
8460 for (i = 0; i < size; i++)
8461 csum8 += buf8[i];
8462
Adrian Bunkad96b482006-04-05 22:21:04 -07008463 if (csum8 == 0) {
8464 err = 0;
8465 goto out;
8466 }
8467
8468 err = -EIO;
8469 goto out;
Michael Chan1b277772006-03-20 22:27:48 -08008470 }
Michael Chan566f86a2005-05-29 14:56:58 -07008471
Michael Chanb16250e2006-09-27 16:10:14 -07008472 if ((cpu_to_be32(buf[0]) & TG3_EEPROM_MAGIC_HW_MSK) ==
8473 TG3_EEPROM_MAGIC_HW) {
8474 u8 data[NVRAM_SELFBOOT_DATA_SIZE];
8475 u8 parity[NVRAM_SELFBOOT_DATA_SIZE];
8476 u8 *buf8 = (u8 *) buf;
8477 int j, k;
8478
8479 /* Separate the parity bits and the data bytes. */
8480 for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) {
8481 if ((i == 0) || (i == 8)) {
8482 int l;
8483 u8 msk;
8484
8485 for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1)
8486 parity[k++] = buf8[i] & msk;
8487 i++;
8488 }
8489 else if (i == 16) {
8490 int l;
8491 u8 msk;
8492
8493 for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1)
8494 parity[k++] = buf8[i] & msk;
8495 i++;
8496
8497 for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1)
8498 parity[k++] = buf8[i] & msk;
8499 i++;
8500 }
8501 data[j++] = buf8[i];
8502 }
8503
8504 err = -EIO;
8505 for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) {
8506 u8 hw8 = hweight8(data[i]);
8507
8508 if ((hw8 & 0x1) && parity[i])
8509 goto out;
8510 else if (!(hw8 & 0x1) && !parity[i])
8511 goto out;
8512 }
8513 err = 0;
8514 goto out;
8515 }
8516
Michael Chan566f86a2005-05-29 14:56:58 -07008517 /* Bootstrap checksum at offset 0x10 */
8518 csum = calc_crc((unsigned char *) buf, 0x10);
8519 if(csum != cpu_to_le32(buf[0x10/4]))
8520 goto out;
8521
8522 /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
8523 csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
8524 if (csum != cpu_to_le32(buf[0xfc/4]))
8525 goto out;
8526
8527 err = 0;
8528
8529out:
8530 kfree(buf);
8531 return err;
8532}
8533
Michael Chanca430072005-05-29 14:57:23 -07008534#define TG3_SERDES_TIMEOUT_SEC 2
8535#define TG3_COPPER_TIMEOUT_SEC 6
8536
8537static int tg3_test_link(struct tg3 *tp)
8538{
8539 int i, max;
8540
8541 if (!netif_running(tp->dev))
8542 return -ENODEV;
8543
Michael Chan4c987482005-09-05 17:52:38 -07008544 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
Michael Chanca430072005-05-29 14:57:23 -07008545 max = TG3_SERDES_TIMEOUT_SEC;
8546 else
8547 max = TG3_COPPER_TIMEOUT_SEC;
8548
8549 for (i = 0; i < max; i++) {
8550 if (netif_carrier_ok(tp->dev))
8551 return 0;
8552
8553 if (msleep_interruptible(1000))
8554 break;
8555 }
8556
8557 return -EIO;
8558}
8559
Michael Chana71116d2005-05-29 14:58:11 -07008560/* Only test the commonly used registers */
David S. Miller30ca3e32006-03-20 23:02:36 -08008561static int tg3_test_registers(struct tg3 *tp)
Michael Chana71116d2005-05-29 14:58:11 -07008562{
Michael Chanb16250e2006-09-27 16:10:14 -07008563 int i, is_5705, is_5750;
Michael Chana71116d2005-05-29 14:58:11 -07008564 u32 offset, read_mask, write_mask, val, save_val, read_val;
8565 static struct {
8566 u16 offset;
8567 u16 flags;
8568#define TG3_FL_5705 0x1
8569#define TG3_FL_NOT_5705 0x2
8570#define TG3_FL_NOT_5788 0x4
Michael Chanb16250e2006-09-27 16:10:14 -07008571#define TG3_FL_NOT_5750 0x8
Michael Chana71116d2005-05-29 14:58:11 -07008572 u32 read_mask;
8573 u32 write_mask;
8574 } reg_tbl[] = {
8575 /* MAC Control Registers */
8576 { MAC_MODE, TG3_FL_NOT_5705,
8577 0x00000000, 0x00ef6f8c },
8578 { MAC_MODE, TG3_FL_5705,
8579 0x00000000, 0x01ef6b8c },
8580 { MAC_STATUS, TG3_FL_NOT_5705,
8581 0x03800107, 0x00000000 },
8582 { MAC_STATUS, TG3_FL_5705,
8583 0x03800100, 0x00000000 },
8584 { MAC_ADDR_0_HIGH, 0x0000,
8585 0x00000000, 0x0000ffff },
8586 { MAC_ADDR_0_LOW, 0x0000,
8587 0x00000000, 0xffffffff },
8588 { MAC_RX_MTU_SIZE, 0x0000,
8589 0x00000000, 0x0000ffff },
8590 { MAC_TX_MODE, 0x0000,
8591 0x00000000, 0x00000070 },
8592 { MAC_TX_LENGTHS, 0x0000,
8593 0x00000000, 0x00003fff },
8594 { MAC_RX_MODE, TG3_FL_NOT_5705,
8595 0x00000000, 0x000007fc },
8596 { MAC_RX_MODE, TG3_FL_5705,
8597 0x00000000, 0x000007dc },
8598 { MAC_HASH_REG_0, 0x0000,
8599 0x00000000, 0xffffffff },
8600 { MAC_HASH_REG_1, 0x0000,
8601 0x00000000, 0xffffffff },
8602 { MAC_HASH_REG_2, 0x0000,
8603 0x00000000, 0xffffffff },
8604 { MAC_HASH_REG_3, 0x0000,
8605 0x00000000, 0xffffffff },
8606
8607 /* Receive Data and Receive BD Initiator Control Registers. */
8608 { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705,
8609 0x00000000, 0xffffffff },
8610 { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705,
8611 0x00000000, 0xffffffff },
8612 { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705,
8613 0x00000000, 0x00000003 },
8614 { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705,
8615 0x00000000, 0xffffffff },
8616 { RCVDBDI_STD_BD+0, 0x0000,
8617 0x00000000, 0xffffffff },
8618 { RCVDBDI_STD_BD+4, 0x0000,
8619 0x00000000, 0xffffffff },
8620 { RCVDBDI_STD_BD+8, 0x0000,
8621 0x00000000, 0xffff0002 },
8622 { RCVDBDI_STD_BD+0xc, 0x0000,
8623 0x00000000, 0xffffffff },
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008624
Michael Chana71116d2005-05-29 14:58:11 -07008625 /* Receive BD Initiator Control Registers. */
8626 { RCVBDI_STD_THRESH, TG3_FL_NOT_5705,
8627 0x00000000, 0xffffffff },
8628 { RCVBDI_STD_THRESH, TG3_FL_5705,
8629 0x00000000, 0x000003ff },
8630 { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705,
8631 0x00000000, 0xffffffff },
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008632
Michael Chana71116d2005-05-29 14:58:11 -07008633 /* Host Coalescing Control Registers. */
8634 { HOSTCC_MODE, TG3_FL_NOT_5705,
8635 0x00000000, 0x00000004 },
8636 { HOSTCC_MODE, TG3_FL_5705,
8637 0x00000000, 0x000000f6 },
8638 { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705,
8639 0x00000000, 0xffffffff },
8640 { HOSTCC_RXCOL_TICKS, TG3_FL_5705,
8641 0x00000000, 0x000003ff },
8642 { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705,
8643 0x00000000, 0xffffffff },
8644 { HOSTCC_TXCOL_TICKS, TG3_FL_5705,
8645 0x00000000, 0x000003ff },
8646 { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705,
8647 0x00000000, 0xffffffff },
8648 { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8649 0x00000000, 0x000000ff },
8650 { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705,
8651 0x00000000, 0xffffffff },
8652 { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788,
8653 0x00000000, 0x000000ff },
8654 { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705,
8655 0x00000000, 0xffffffff },
8656 { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705,
8657 0x00000000, 0xffffffff },
8658 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8659 0x00000000, 0xffffffff },
8660 { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8661 0x00000000, 0x000000ff },
8662 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705,
8663 0x00000000, 0xffffffff },
8664 { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788,
8665 0x00000000, 0x000000ff },
8666 { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705,
8667 0x00000000, 0xffffffff },
8668 { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705,
8669 0x00000000, 0xffffffff },
8670 { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705,
8671 0x00000000, 0xffffffff },
8672 { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000,
8673 0x00000000, 0xffffffff },
8674 { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000,
8675 0x00000000, 0xffffffff },
8676 { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000,
8677 0xffffffff, 0x00000000 },
8678 { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000,
8679 0xffffffff, 0x00000000 },
8680
8681 /* Buffer Manager Control Registers. */
Michael Chanb16250e2006-09-27 16:10:14 -07008682 { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750,
Michael Chana71116d2005-05-29 14:58:11 -07008683 0x00000000, 0x007fff80 },
Michael Chanb16250e2006-09-27 16:10:14 -07008684 { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750,
Michael Chana71116d2005-05-29 14:58:11 -07008685 0x00000000, 0x007fffff },
8686 { BUFMGR_MB_RDMA_LOW_WATER, 0x0000,
8687 0x00000000, 0x0000003f },
8688 { BUFMGR_MB_MACRX_LOW_WATER, 0x0000,
8689 0x00000000, 0x000001ff },
8690 { BUFMGR_MB_HIGH_WATER, 0x0000,
8691 0x00000000, 0x000001ff },
8692 { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705,
8693 0xffffffff, 0x00000000 },
8694 { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705,
8695 0xffffffff, 0x00000000 },
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008696
Michael Chana71116d2005-05-29 14:58:11 -07008697 /* Mailbox Registers */
8698 { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000,
8699 0x00000000, 0x000001ff },
8700 { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705,
8701 0x00000000, 0x000001ff },
8702 { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000,
8703 0x00000000, 0x000007ff },
8704 { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000,
8705 0x00000000, 0x000001ff },
8706
8707 { 0xffff, 0x0000, 0x00000000, 0x00000000 },
8708 };
8709
Michael Chanb16250e2006-09-27 16:10:14 -07008710 is_5705 = is_5750 = 0;
8711 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
Michael Chana71116d2005-05-29 14:58:11 -07008712 is_5705 = 1;
Michael Chanb16250e2006-09-27 16:10:14 -07008713 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
8714 is_5750 = 1;
8715 }
Michael Chana71116d2005-05-29 14:58:11 -07008716
8717 for (i = 0; reg_tbl[i].offset != 0xffff; i++) {
8718 if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705))
8719 continue;
8720
8721 if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705))
8722 continue;
8723
8724 if ((tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
8725 (reg_tbl[i].flags & TG3_FL_NOT_5788))
8726 continue;
8727
Michael Chanb16250e2006-09-27 16:10:14 -07008728 if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750))
8729 continue;
8730
Michael Chana71116d2005-05-29 14:58:11 -07008731 offset = (u32) reg_tbl[i].offset;
8732 read_mask = reg_tbl[i].read_mask;
8733 write_mask = reg_tbl[i].write_mask;
8734
8735 /* Save the original register content */
8736 save_val = tr32(offset);
8737
8738 /* Determine the read-only value. */
8739 read_val = save_val & read_mask;
8740
8741 /* Write zero to the register, then make sure the read-only bits
8742 * are not changed and the read/write bits are all zeros.
8743 */
8744 tw32(offset, 0);
8745
8746 val = tr32(offset);
8747
8748 /* Test the read-only and read/write bits. */
8749 if (((val & read_mask) != read_val) || (val & write_mask))
8750 goto out;
8751
8752 /* Write ones to all the bits defined by RdMask and WrMask, then
8753 * make sure the read-only bits are not changed and the
8754 * read/write bits are all ones.
8755 */
8756 tw32(offset, read_mask | write_mask);
8757
8758 val = tr32(offset);
8759
8760 /* Test the read-only bits. */
8761 if ((val & read_mask) != read_val)
8762 goto out;
8763
8764 /* Test the read/write bits. */
8765 if ((val & write_mask) != write_mask)
8766 goto out;
8767
8768 tw32(offset, save_val);
8769 }
8770
8771 return 0;
8772
8773out:
Michael Chan9f88f292006-12-07 00:22:54 -08008774 if (netif_msg_hw(tp))
8775 printk(KERN_ERR PFX "Register test failed at offset %x\n",
8776 offset);
Michael Chana71116d2005-05-29 14:58:11 -07008777 tw32(offset, save_val);
8778 return -EIO;
8779}
8780
Michael Chan7942e1d2005-05-29 14:58:36 -07008781static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len)
8782{
Arjan van de Venf71e1302006-03-03 21:33:57 -05008783 static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a };
Michael Chan7942e1d2005-05-29 14:58:36 -07008784 int i;
8785 u32 j;
8786
8787 for (i = 0; i < sizeof(test_pattern)/sizeof(u32); i++) {
8788 for (j = 0; j < len; j += 4) {
8789 u32 val;
8790
8791 tg3_write_mem(tp, offset + j, test_pattern[i]);
8792 tg3_read_mem(tp, offset + j, &val);
8793 if (val != test_pattern[i])
8794 return -EIO;
8795 }
8796 }
8797 return 0;
8798}
8799
8800static int tg3_test_memory(struct tg3 *tp)
8801{
8802 static struct mem_entry {
8803 u32 offset;
8804 u32 len;
8805 } mem_tbl_570x[] = {
Michael Chan38690192005-12-19 16:27:28 -08008806 { 0x00000000, 0x00b50},
Michael Chan7942e1d2005-05-29 14:58:36 -07008807 { 0x00002000, 0x1c000},
8808 { 0xffffffff, 0x00000}
8809 }, mem_tbl_5705[] = {
8810 { 0x00000100, 0x0000c},
8811 { 0x00000200, 0x00008},
Michael Chan7942e1d2005-05-29 14:58:36 -07008812 { 0x00004000, 0x00800},
8813 { 0x00006000, 0x01000},
8814 { 0x00008000, 0x02000},
8815 { 0x00010000, 0x0e000},
8816 { 0xffffffff, 0x00000}
Michael Chan79f4d132006-03-20 22:28:57 -08008817 }, mem_tbl_5755[] = {
8818 { 0x00000200, 0x00008},
8819 { 0x00004000, 0x00800},
8820 { 0x00006000, 0x00800},
8821 { 0x00008000, 0x02000},
8822 { 0x00010000, 0x0c000},
8823 { 0xffffffff, 0x00000}
Michael Chanb16250e2006-09-27 16:10:14 -07008824 }, mem_tbl_5906[] = {
8825 { 0x00000200, 0x00008},
8826 { 0x00004000, 0x00400},
8827 { 0x00006000, 0x00400},
8828 { 0x00008000, 0x01000},
8829 { 0x00010000, 0x01000},
8830 { 0xffffffff, 0x00000}
Michael Chan7942e1d2005-05-29 14:58:36 -07008831 };
8832 struct mem_entry *mem_tbl;
8833 int err = 0;
8834 int i;
8835
Michael Chan79f4d132006-03-20 22:28:57 -08008836 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
Michael Chanaf36e6b2006-03-23 01:28:06 -08008837 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
8838 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
Michael Chan79f4d132006-03-20 22:28:57 -08008839 mem_tbl = mem_tbl_5755;
Michael Chanb16250e2006-09-27 16:10:14 -07008840 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
8841 mem_tbl = mem_tbl_5906;
Michael Chan79f4d132006-03-20 22:28:57 -08008842 else
8843 mem_tbl = mem_tbl_5705;
8844 } else
Michael Chan7942e1d2005-05-29 14:58:36 -07008845 mem_tbl = mem_tbl_570x;
8846
8847 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) {
8848 if ((err = tg3_do_mem_test(tp, mem_tbl[i].offset,
8849 mem_tbl[i].len)) != 0)
8850 break;
8851 }
Jeff Garzik6aa20a22006-09-13 13:24:59 -04008852
Michael Chan7942e1d2005-05-29 14:58:36 -07008853 return err;
8854}
8855
Michael Chan9f40dea2005-09-05 17:53:06 -07008856#define TG3_MAC_LOOPBACK 0
8857#define TG3_PHY_LOOPBACK 1
8858
8859static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
Michael Chanc76949a2005-05-29 14:58:59 -07008860{
Michael Chan9f40dea2005-09-05 17:53:06 -07008861 u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key;
Michael Chanc76949a2005-05-29 14:58:59 -07008862 u32 desc_idx;
8863 struct sk_buff *skb, *rx_skb;
8864 u8 *tx_data;
8865 dma_addr_t map;
8866 int num_pkts, tx_len, rx_len, i, err;
8867 struct tg3_rx_buffer_desc *desc;
8868
Michael Chan9f40dea2005-09-05 17:53:06 -07008869 if (loopback_mode == TG3_MAC_LOOPBACK) {
Michael Chanc94e3942005-09-27 12:12:42 -07008870 /* HW errata - mac loopback fails in some cases on 5780.
8871 * Normal traffic and PHY loopback are not affected by
8872 * errata.
8873 */
8874 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780)
8875 return 0;
8876
Michael Chan9f40dea2005-09-05 17:53:06 -07008877 mac_mode = (tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK) |
Matt Carlsone8f3f6c2007-07-11 19:47:55 -07008878 MAC_MODE_PORT_INT_LPBACK;
8879 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
8880 mac_mode |= MAC_MODE_LINK_POLARITY;
Michael Chan3f7045c2006-09-27 16:02:29 -07008881 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
8882 mac_mode |= MAC_MODE_PORT_MODE_MII;
8883 else
8884 mac_mode |= MAC_MODE_PORT_MODE_GMII;
Michael Chan9f40dea2005-09-05 17:53:06 -07008885 tw32(MAC_MODE, mac_mode);
8886 } else if (loopback_mode == TG3_PHY_LOOPBACK) {
Michael Chan3f7045c2006-09-27 16:02:29 -07008887 u32 val;
8888
Michael Chanb16250e2006-09-27 16:10:14 -07008889 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
8890 u32 phytest;
8891
8892 if (!tg3_readphy(tp, MII_TG3_EPHY_TEST, &phytest)) {
8893 u32 phy;
8894
8895 tg3_writephy(tp, MII_TG3_EPHY_TEST,
8896 phytest | MII_TG3_EPHY_SHADOW_EN);
8897 if (!tg3_readphy(tp, 0x1b, &phy))
8898 tg3_writephy(tp, 0x1b, phy & ~0x20);
Michael Chanb16250e2006-09-27 16:10:14 -07008899 tg3_writephy(tp, MII_TG3_EPHY_TEST, phytest);
8900 }
Michael Chan5d64ad32006-12-07 00:19:40 -08008901 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100;
8902 } else
8903 val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000;
Michael Chan3f7045c2006-09-27 16:02:29 -07008904
Matt Carlson9ef8ca92007-07-11 19:48:29 -07008905 tg3_phy_toggle_automdix(tp, 0);
8906
Michael Chan3f7045c2006-09-27 16:02:29 -07008907 tg3_writephy(tp, MII_BMCR, val);
Michael Chanc94e3942005-09-27 12:12:42 -07008908 udelay(40);
Michael Chan5d64ad32006-12-07 00:19:40 -08008909
Matt Carlsone8f3f6c2007-07-11 19:47:55 -07008910 mac_mode = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK;
Michael Chan5d64ad32006-12-07 00:19:40 -08008911 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
Michael Chanb16250e2006-09-27 16:10:14 -07008912 tg3_writephy(tp, MII_TG3_EPHY_PTEST, 0x1800);
Michael Chan5d64ad32006-12-07 00:19:40 -08008913 mac_mode |= MAC_MODE_PORT_MODE_MII;
8914 } else
8915 mac_mode |= MAC_MODE_PORT_MODE_GMII;
Michael Chanb16250e2006-09-27 16:10:14 -07008916
Michael Chanc94e3942005-09-27 12:12:42 -07008917 /* reset to prevent losing 1st rx packet intermittently */
8918 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES) {
8919 tw32_f(MAC_RX_MODE, RX_MODE_RESET);
8920 udelay(10);
8921 tw32_f(MAC_RX_MODE, tp->rx_mode);
8922 }
Matt Carlsone8f3f6c2007-07-11 19:47:55 -07008923 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) {
8924 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)
8925 mac_mode &= ~MAC_MODE_LINK_POLARITY;
8926 else if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411)
8927 mac_mode |= MAC_MODE_LINK_POLARITY;
Michael Chanff18ff02006-03-27 23:17:27 -08008928 tg3_writephy(tp, MII_TG3_EXT_CTRL,
8929 MII_TG3_EXT_CTRL_LNK3_LED_MODE);
8930 }
Michael Chan9f40dea2005-09-05 17:53:06 -07008931 tw32(MAC_MODE, mac_mode);
Michael Chan9f40dea2005-09-05 17:53:06 -07008932 }
8933 else
8934 return -EINVAL;
Michael Chanc76949a2005-05-29 14:58:59 -07008935
8936 err = -EIO;
8937
Michael Chanc76949a2005-05-29 14:58:59 -07008938 tx_len = 1514;
David S. Millera20e9c62006-07-31 22:38:16 -07008939 skb = netdev_alloc_skb(tp->dev, tx_len);
Jesper Juhla50bb7b2006-05-09 23:14:35 -07008940 if (!skb)
8941 return -ENOMEM;
8942
Michael Chanc76949a2005-05-29 14:58:59 -07008943 tx_data = skb_put(skb, tx_len);
8944 memcpy(tx_data, tp->dev->dev_addr, 6);
8945 memset(tx_data + 6, 0x0, 8);
8946
8947 tw32(MAC_RX_MTU_SIZE, tx_len + 4);
8948
8949 for (i = 14; i < tx_len; i++)
8950 tx_data[i] = (u8) (i & 0xff);
8951
8952 map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
8953
8954 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8955 HOSTCC_MODE_NOW);
8956
8957 udelay(10);
8958
8959 rx_start_idx = tp->hw_status->idx[0].rx_producer;
8960
Michael Chanc76949a2005-05-29 14:58:59 -07008961 num_pkts = 0;
8962
Michael Chan9f40dea2005-09-05 17:53:06 -07008963 tg3_set_txd(tp, tp->tx_prod, map, tx_len, 0, 1);
Michael Chanc76949a2005-05-29 14:58:59 -07008964
Michael Chan9f40dea2005-09-05 17:53:06 -07008965 tp->tx_prod++;
Michael Chanc76949a2005-05-29 14:58:59 -07008966 num_pkts++;
8967
Michael Chan9f40dea2005-09-05 17:53:06 -07008968 tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW,
8969 tp->tx_prod);
Michael Chan09ee9292005-08-09 20:17:00 -07008970 tr32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW);
Michael Chanc76949a2005-05-29 14:58:59 -07008971
8972 udelay(10);
8973
Michael Chan3f7045c2006-09-27 16:02:29 -07008974 /* 250 usec to allow enough time on some 10/100 Mbps devices. */
8975 for (i = 0; i < 25; i++) {
Michael Chanc76949a2005-05-29 14:58:59 -07008976 tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
8977 HOSTCC_MODE_NOW);
8978
8979 udelay(10);
8980
8981 tx_idx = tp->hw_status->idx[0].tx_consumer;
8982 rx_idx = tp->hw_status->idx[0].rx_producer;
Michael Chan9f40dea2005-09-05 17:53:06 -07008983 if ((tx_idx == tp->tx_prod) &&
Michael Chanc76949a2005-05-29 14:58:59 -07008984 (rx_idx == (rx_start_idx + num_pkts)))
8985 break;
8986 }
8987
8988 pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
8989 dev_kfree_skb(skb);
8990
Michael Chan9f40dea2005-09-05 17:53:06 -07008991 if (tx_idx != tp->tx_prod)
Michael Chanc76949a2005-05-29 14:58:59 -07008992 goto out;
8993
8994 if (rx_idx != rx_start_idx + num_pkts)
8995 goto out;
8996
8997 desc = &tp->rx_rcb[rx_start_idx];
8998 desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
8999 opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
9000 if (opaque_key != RXD_OPAQUE_RING_STD)
9001 goto out;
9002
9003 if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
9004 (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII))
9005 goto out;
9006
9007 rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4;
9008 if (rx_len != tx_len)
9009 goto out;
9010
9011 rx_skb = tp->rx_std_buffers[desc_idx].skb;
9012
9013 map = pci_unmap_addr(&tp->rx_std_buffers[desc_idx], mapping);
9014 pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, PCI_DMA_FROMDEVICE);
9015
9016 for (i = 14; i < tx_len; i++) {
9017 if (*(rx_skb->data + i) != (u8) (i & 0xff))
9018 goto out;
9019 }
9020 err = 0;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04009021
Michael Chanc76949a2005-05-29 14:58:59 -07009022 /* tg3_free_rings will unmap and free the rx_skb */
9023out:
9024 return err;
9025}
9026
Michael Chan9f40dea2005-09-05 17:53:06 -07009027#define TG3_MAC_LOOPBACK_FAILED 1
9028#define TG3_PHY_LOOPBACK_FAILED 2
9029#define TG3_LOOPBACK_FAILED (TG3_MAC_LOOPBACK_FAILED | \
9030 TG3_PHY_LOOPBACK_FAILED)
9031
9032static int tg3_test_loopback(struct tg3 *tp)
9033{
9034 int err = 0;
9035
9036 if (!netif_running(tp->dev))
9037 return TG3_LOOPBACK_FAILED;
9038
Michael Chanb9ec6c12006-07-25 16:37:27 -07009039 err = tg3_reset_hw(tp, 1);
9040 if (err)
9041 return TG3_LOOPBACK_FAILED;
Michael Chan9f40dea2005-09-05 17:53:06 -07009042
9043 if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
9044 err |= TG3_MAC_LOOPBACK_FAILED;
9045 if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
9046 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
9047 err |= TG3_PHY_LOOPBACK_FAILED;
9048 }
9049
9050 return err;
9051}
9052
Michael Chan4cafd3f2005-05-29 14:56:34 -07009053static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest,
9054 u64 *data)
9055{
Michael Chan566f86a2005-05-29 14:56:58 -07009056 struct tg3 *tp = netdev_priv(dev);
9057
Michael Chanbc1c7562006-03-20 17:48:03 -08009058 if (tp->link_config.phy_is_low_power)
9059 tg3_set_power_state(tp, PCI_D0);
9060
Michael Chan566f86a2005-05-29 14:56:58 -07009061 memset(data, 0, sizeof(u64) * TG3_NUM_TEST);
9062
9063 if (tg3_test_nvram(tp) != 0) {
9064 etest->flags |= ETH_TEST_FL_FAILED;
9065 data[0] = 1;
9066 }
Michael Chanca430072005-05-29 14:57:23 -07009067 if (tg3_test_link(tp) != 0) {
9068 etest->flags |= ETH_TEST_FL_FAILED;
9069 data[1] = 1;
9070 }
Michael Chana71116d2005-05-29 14:58:11 -07009071 if (etest->flags & ETH_TEST_FL_OFFLINE) {
Michael Chanec41c7d2006-01-17 02:40:55 -08009072 int err, irq_sync = 0;
Michael Chana71116d2005-05-29 14:58:11 -07009073
Michael Chanbbe832c2005-06-24 20:20:04 -07009074 if (netif_running(dev)) {
9075 tg3_netif_stop(tp);
9076 irq_sync = 1;
9077 }
9078
9079 tg3_full_lock(tp, irq_sync);
Michael Chana71116d2005-05-29 14:58:11 -07009080
9081 tg3_halt(tp, RESET_KIND_SUSPEND, 1);
Michael Chanec41c7d2006-01-17 02:40:55 -08009082 err = tg3_nvram_lock(tp);
Michael Chana71116d2005-05-29 14:58:11 -07009083 tg3_halt_cpu(tp, RX_CPU_BASE);
9084 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
9085 tg3_halt_cpu(tp, TX_CPU_BASE);
Michael Chanec41c7d2006-01-17 02:40:55 -08009086 if (!err)
9087 tg3_nvram_unlock(tp);
Michael Chana71116d2005-05-29 14:58:11 -07009088
Michael Chand9ab5ad2006-03-20 22:27:35 -08009089 if (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)
9090 tg3_phy_reset(tp);
9091
Michael Chana71116d2005-05-29 14:58:11 -07009092 if (tg3_test_registers(tp) != 0) {
9093 etest->flags |= ETH_TEST_FL_FAILED;
9094 data[2] = 1;
9095 }
Michael Chan7942e1d2005-05-29 14:58:36 -07009096 if (tg3_test_memory(tp) != 0) {
9097 etest->flags |= ETH_TEST_FL_FAILED;
9098 data[3] = 1;
9099 }
Michael Chan9f40dea2005-09-05 17:53:06 -07009100 if ((data[4] = tg3_test_loopback(tp)) != 0)
Michael Chanc76949a2005-05-29 14:58:59 -07009101 etest->flags |= ETH_TEST_FL_FAILED;
Michael Chana71116d2005-05-29 14:58:11 -07009102
David S. Millerf47c11e2005-06-24 20:18:35 -07009103 tg3_full_unlock(tp);
9104
Michael Chand4bc3922005-05-29 14:59:20 -07009105 if (tg3_test_interrupt(tp) != 0) {
9106 etest->flags |= ETH_TEST_FL_FAILED;
9107 data[5] = 1;
9108 }
David S. Millerf47c11e2005-06-24 20:18:35 -07009109
9110 tg3_full_lock(tp, 0);
Michael Chand4bc3922005-05-29 14:59:20 -07009111
Michael Chana71116d2005-05-29 14:58:11 -07009112 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
9113 if (netif_running(dev)) {
9114 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
Michael Chanb9ec6c12006-07-25 16:37:27 -07009115 if (!tg3_restart_hw(tp, 1))
9116 tg3_netif_start(tp);
Michael Chana71116d2005-05-29 14:58:11 -07009117 }
David S. Millerf47c11e2005-06-24 20:18:35 -07009118
9119 tg3_full_unlock(tp);
Michael Chana71116d2005-05-29 14:58:11 -07009120 }
Michael Chanbc1c7562006-03-20 17:48:03 -08009121 if (tp->link_config.phy_is_low_power)
9122 tg3_set_power_state(tp, PCI_D3hot);
9123
Michael Chan4cafd3f2005-05-29 14:56:34 -07009124}
9125
Linus Torvalds1da177e2005-04-16 15:20:36 -07009126static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9127{
9128 struct mii_ioctl_data *data = if_mii(ifr);
9129 struct tg3 *tp = netdev_priv(dev);
9130 int err;
9131
9132 switch(cmd) {
9133 case SIOCGMIIPHY:
9134 data->phy_id = PHY_ADDR;
9135
9136 /* fallthru */
9137 case SIOCGMIIREG: {
9138 u32 mii_regval;
9139
9140 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9141 break; /* We have no PHY */
9142
Michael Chanbc1c7562006-03-20 17:48:03 -08009143 if (tp->link_config.phy_is_low_power)
9144 return -EAGAIN;
9145
David S. Millerf47c11e2005-06-24 20:18:35 -07009146 spin_lock_bh(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009147 err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval);
David S. Millerf47c11e2005-06-24 20:18:35 -07009148 spin_unlock_bh(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009149
9150 data->val_out = mii_regval;
9151
9152 return err;
9153 }
9154
9155 case SIOCSMIIREG:
9156 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
9157 break; /* We have no PHY */
9158
9159 if (!capable(CAP_NET_ADMIN))
9160 return -EPERM;
9161
Michael Chanbc1c7562006-03-20 17:48:03 -08009162 if (tp->link_config.phy_is_low_power)
9163 return -EAGAIN;
9164
David S. Millerf47c11e2005-06-24 20:18:35 -07009165 spin_lock_bh(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009166 err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in);
David S. Millerf47c11e2005-06-24 20:18:35 -07009167 spin_unlock_bh(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009168
9169 return err;
9170
9171 default:
9172 /* do nothing */
9173 break;
9174 }
9175 return -EOPNOTSUPP;
9176}
9177
9178#if TG3_VLAN_TAG_USED
9179static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
9180{
9181 struct tg3 *tp = netdev_priv(dev);
9182
Michael Chan29315e82006-06-29 20:12:30 -07009183 if (netif_running(dev))
9184 tg3_netif_stop(tp);
9185
David S. Millerf47c11e2005-06-24 20:18:35 -07009186 tg3_full_lock(tp, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009187
9188 tp->vlgrp = grp;
9189
9190 /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
9191 __tg3_set_rx_mode(dev);
9192
Michael Chan29315e82006-06-29 20:12:30 -07009193 if (netif_running(dev))
9194 tg3_netif_start(tp);
Michael Chan46966542007-07-11 19:47:19 -07009195
9196 tg3_full_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009197}
Linus Torvalds1da177e2005-04-16 15:20:36 -07009198#endif
9199
David S. Miller15f98502005-05-18 22:49:26 -07009200static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9201{
9202 struct tg3 *tp = netdev_priv(dev);
9203
9204 memcpy(ec, &tp->coal, sizeof(*ec));
9205 return 0;
9206}
9207
Michael Chand244c892005-07-05 14:42:33 -07009208static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
9209{
9210 struct tg3 *tp = netdev_priv(dev);
9211 u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0;
9212 u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0;
9213
9214 if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
9215 max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT;
9216 max_txcoal_tick_int = MAX_TXCOAL_TICK_INT;
9217 max_stat_coal_ticks = MAX_STAT_COAL_TICKS;
9218 min_stat_coal_ticks = MIN_STAT_COAL_TICKS;
9219 }
9220
9221 if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) ||
9222 (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) ||
9223 (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) ||
9224 (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) ||
9225 (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) ||
9226 (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) ||
9227 (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) ||
9228 (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) ||
9229 (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) ||
9230 (ec->stats_block_coalesce_usecs < min_stat_coal_ticks))
9231 return -EINVAL;
9232
9233 /* No rx interrupts will be generated if both are zero */
9234 if ((ec->rx_coalesce_usecs == 0) &&
9235 (ec->rx_max_coalesced_frames == 0))
9236 return -EINVAL;
9237
9238 /* No tx interrupts will be generated if both are zero */
9239 if ((ec->tx_coalesce_usecs == 0) &&
9240 (ec->tx_max_coalesced_frames == 0))
9241 return -EINVAL;
9242
9243 /* Only copy relevant parameters, ignore all others. */
9244 tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs;
9245 tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs;
9246 tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames;
9247 tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames;
9248 tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq;
9249 tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq;
9250 tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq;
9251 tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq;
9252 tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs;
9253
9254 if (netif_running(dev)) {
9255 tg3_full_lock(tp, 0);
9256 __tg3_set_coalesce(tp, &tp->coal);
9257 tg3_full_unlock(tp);
9258 }
9259 return 0;
9260}
9261
Jeff Garzik7282d492006-09-13 14:30:00 -04009262static const struct ethtool_ops tg3_ethtool_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07009263 .get_settings = tg3_get_settings,
9264 .set_settings = tg3_set_settings,
9265 .get_drvinfo = tg3_get_drvinfo,
9266 .get_regs_len = tg3_get_regs_len,
9267 .get_regs = tg3_get_regs,
9268 .get_wol = tg3_get_wol,
9269 .set_wol = tg3_set_wol,
9270 .get_msglevel = tg3_get_msglevel,
9271 .set_msglevel = tg3_set_msglevel,
9272 .nway_reset = tg3_nway_reset,
9273 .get_link = ethtool_op_get_link,
9274 .get_eeprom_len = tg3_get_eeprom_len,
9275 .get_eeprom = tg3_get_eeprom,
9276 .set_eeprom = tg3_set_eeprom,
9277 .get_ringparam = tg3_get_ringparam,
9278 .set_ringparam = tg3_set_ringparam,
9279 .get_pauseparam = tg3_get_pauseparam,
9280 .set_pauseparam = tg3_set_pauseparam,
9281 .get_rx_csum = tg3_get_rx_csum,
9282 .set_rx_csum = tg3_set_rx_csum,
9283 .get_tx_csum = ethtool_op_get_tx_csum,
9284 .set_tx_csum = tg3_set_tx_csum,
9285 .get_sg = ethtool_op_get_sg,
9286 .set_sg = ethtool_op_set_sg,
Linus Torvalds1da177e2005-04-16 15:20:36 -07009287 .get_tso = ethtool_op_get_tso,
9288 .set_tso = tg3_set_tso,
Michael Chan4cafd3f2005-05-29 14:56:34 -07009289 .self_test_count = tg3_get_test_count,
9290 .self_test = tg3_self_test,
Linus Torvalds1da177e2005-04-16 15:20:36 -07009291 .get_strings = tg3_get_strings,
Michael Chan4009a932005-09-05 17:52:54 -07009292 .phys_id = tg3_phys_id,
Linus Torvalds1da177e2005-04-16 15:20:36 -07009293 .get_stats_count = tg3_get_stats_count,
9294 .get_ethtool_stats = tg3_get_ethtool_stats,
David S. Miller15f98502005-05-18 22:49:26 -07009295 .get_coalesce = tg3_get_coalesce,
Michael Chand244c892005-07-05 14:42:33 -07009296 .set_coalesce = tg3_set_coalesce,
Linus Torvalds1da177e2005-04-16 15:20:36 -07009297};
9298
9299static void __devinit tg3_get_eeprom_size(struct tg3 *tp)
9300{
Michael Chan1b277772006-03-20 22:27:48 -08009301 u32 cursize, val, magic;
Linus Torvalds1da177e2005-04-16 15:20:36 -07009302
9303 tp->nvram_size = EEPROM_CHIP_SIZE;
9304
Michael Chan18201802006-03-20 22:29:15 -08009305 if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07009306 return;
9307
Michael Chanb16250e2006-09-27 16:10:14 -07009308 if ((magic != TG3_EEPROM_MAGIC) &&
9309 ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) &&
9310 ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW))
Linus Torvalds1da177e2005-04-16 15:20:36 -07009311 return;
9312
9313 /*
9314 * Size the chip by reading offsets at increasing powers of two.
9315 * When we encounter our validation signature, we know the addressing
9316 * has wrapped around, and thus have our chip size.
9317 */
Michael Chan1b277772006-03-20 22:27:48 -08009318 cursize = 0x10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07009319
9320 while (cursize < tp->nvram_size) {
Michael Chan18201802006-03-20 22:29:15 -08009321 if (tg3_nvram_read_swab(tp, cursize, &val) != 0)
Linus Torvalds1da177e2005-04-16 15:20:36 -07009322 return;
9323
Michael Chan18201802006-03-20 22:29:15 -08009324 if (val == magic)
Linus Torvalds1da177e2005-04-16 15:20:36 -07009325 break;
9326
9327 cursize <<= 1;
9328 }
9329
9330 tp->nvram_size = cursize;
9331}
Jeff Garzik6aa20a22006-09-13 13:24:59 -04009332
Linus Torvalds1da177e2005-04-16 15:20:36 -07009333static void __devinit tg3_get_nvram_size(struct tg3 *tp)
9334{
9335 u32 val;
9336
Michael Chan18201802006-03-20 22:29:15 -08009337 if (tg3_nvram_read_swab(tp, 0, &val) != 0)
Michael Chan1b277772006-03-20 22:27:48 -08009338 return;
9339
9340 /* Selfboot format */
Michael Chan18201802006-03-20 22:29:15 -08009341 if (val != TG3_EEPROM_MAGIC) {
Michael Chan1b277772006-03-20 22:27:48 -08009342 tg3_get_eeprom_size(tp);
9343 return;
9344 }
9345
Linus Torvalds1da177e2005-04-16 15:20:36 -07009346 if (tg3_nvram_read(tp, 0xf0, &val) == 0) {
9347 if (val != 0) {
9348 tp->nvram_size = (val >> 16) * 1024;
9349 return;
9350 }
9351 }
Matt Carlson989a9d22007-05-05 11:51:05 -07009352 tp->nvram_size = 0x80000;
Linus Torvalds1da177e2005-04-16 15:20:36 -07009353}
9354
9355static void __devinit tg3_get_nvram_info(struct tg3 *tp)
9356{
9357 u32 nvcfg1;
9358
9359 nvcfg1 = tr32(NVRAM_CFG1);
9360 if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) {
9361 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9362 }
9363 else {
9364 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9365 tw32(NVRAM_CFG1, nvcfg1);
9366 }
9367
Michael Chan4c987482005-09-05 17:52:38 -07009368 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) ||
Michael Chana4e2b342005-10-26 15:46:52 -07009369 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07009370 switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) {
9371 case FLASH_VENDOR_ATMEL_FLASH_BUFFERED:
9372 tp->nvram_jedecnum = JEDEC_ATMEL;
9373 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9374 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9375 break;
9376 case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED:
9377 tp->nvram_jedecnum = JEDEC_ATMEL;
9378 tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE;
9379 break;
9380 case FLASH_VENDOR_ATMEL_EEPROM:
9381 tp->nvram_jedecnum = JEDEC_ATMEL;
9382 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9383 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9384 break;
9385 case FLASH_VENDOR_ST:
9386 tp->nvram_jedecnum = JEDEC_ST;
9387 tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE;
9388 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9389 break;
9390 case FLASH_VENDOR_SAIFUN:
9391 tp->nvram_jedecnum = JEDEC_SAIFUN;
9392 tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE;
9393 break;
9394 case FLASH_VENDOR_SST_SMALL:
9395 case FLASH_VENDOR_SST_LARGE:
9396 tp->nvram_jedecnum = JEDEC_SST;
9397 tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE;
9398 break;
9399 }
9400 }
9401 else {
9402 tp->nvram_jedecnum = JEDEC_ATMEL;
9403 tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE;
9404 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9405 }
9406}
9407
Michael Chan361b4ac2005-04-21 17:11:21 -07009408static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
9409{
9410 u32 nvcfg1;
9411
9412 nvcfg1 = tr32(NVRAM_CFG1);
9413
Michael Chane6af3012005-04-21 17:12:05 -07009414 /* NVRAM protection for TPM */
9415 if (nvcfg1 & (1 << 27))
9416 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
9417
Michael Chan361b4ac2005-04-21 17:11:21 -07009418 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9419 case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
9420 case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ:
9421 tp->nvram_jedecnum = JEDEC_ATMEL;
9422 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9423 break;
9424 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9425 tp->nvram_jedecnum = JEDEC_ATMEL;
9426 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9427 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9428 break;
9429 case FLASH_5752VENDOR_ST_M45PE10:
9430 case FLASH_5752VENDOR_ST_M45PE20:
9431 case FLASH_5752VENDOR_ST_M45PE40:
9432 tp->nvram_jedecnum = JEDEC_ST;
9433 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9434 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9435 break;
9436 }
9437
9438 if (tp->tg3_flags2 & TG3_FLG2_FLASH) {
9439 switch (nvcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) {
9440 case FLASH_5752PAGE_SIZE_256:
9441 tp->nvram_pagesize = 256;
9442 break;
9443 case FLASH_5752PAGE_SIZE_512:
9444 tp->nvram_pagesize = 512;
9445 break;
9446 case FLASH_5752PAGE_SIZE_1K:
9447 tp->nvram_pagesize = 1024;
9448 break;
9449 case FLASH_5752PAGE_SIZE_2K:
9450 tp->nvram_pagesize = 2048;
9451 break;
9452 case FLASH_5752PAGE_SIZE_4K:
9453 tp->nvram_pagesize = 4096;
9454 break;
9455 case FLASH_5752PAGE_SIZE_264:
9456 tp->nvram_pagesize = 264;
9457 break;
9458 }
9459 }
9460 else {
9461 /* For eeprom, set pagesize to maximum eeprom size */
9462 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9463
9464 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9465 tw32(NVRAM_CFG1, nvcfg1);
9466 }
9467}
9468
Michael Chand3c7b882006-03-23 01:28:25 -08009469static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
9470{
Matt Carlson989a9d22007-05-05 11:51:05 -07009471 u32 nvcfg1, protect = 0;
Michael Chand3c7b882006-03-23 01:28:25 -08009472
9473 nvcfg1 = tr32(NVRAM_CFG1);
9474
9475 /* NVRAM protection for TPM */
Matt Carlson989a9d22007-05-05 11:51:05 -07009476 if (nvcfg1 & (1 << 27)) {
Michael Chand3c7b882006-03-23 01:28:25 -08009477 tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
Matt Carlson989a9d22007-05-05 11:51:05 -07009478 protect = 1;
9479 }
Michael Chand3c7b882006-03-23 01:28:25 -08009480
Matt Carlson989a9d22007-05-05 11:51:05 -07009481 nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK;
9482 switch (nvcfg1) {
Michael Chand3c7b882006-03-23 01:28:25 -08009483 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9484 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9485 case FLASH_5755VENDOR_ATMEL_FLASH_3:
Matt Carlson70b65a22007-07-11 19:48:50 -07009486 case FLASH_5755VENDOR_ATMEL_FLASH_5:
Michael Chand3c7b882006-03-23 01:28:25 -08009487 tp->nvram_jedecnum = JEDEC_ATMEL;
9488 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9489 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9490 tp->nvram_pagesize = 264;
Matt Carlson70b65a22007-07-11 19:48:50 -07009491 if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 ||
9492 nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5)
Matt Carlson989a9d22007-05-05 11:51:05 -07009493 tp->nvram_size = (protect ? 0x3e200 : 0x80000);
9494 else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2)
9495 tp->nvram_size = (protect ? 0x1f200 : 0x40000);
9496 else
9497 tp->nvram_size = (protect ? 0x1f200 : 0x20000);
Michael Chand3c7b882006-03-23 01:28:25 -08009498 break;
9499 case FLASH_5752VENDOR_ST_M45PE10:
9500 case FLASH_5752VENDOR_ST_M45PE20:
9501 case FLASH_5752VENDOR_ST_M45PE40:
9502 tp->nvram_jedecnum = JEDEC_ST;
9503 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9504 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9505 tp->nvram_pagesize = 256;
Matt Carlson989a9d22007-05-05 11:51:05 -07009506 if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10)
9507 tp->nvram_size = (protect ? 0x10000 : 0x20000);
9508 else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20)
9509 tp->nvram_size = (protect ? 0x10000 : 0x40000);
9510 else
9511 tp->nvram_size = (protect ? 0x20000 : 0x80000);
Michael Chand3c7b882006-03-23 01:28:25 -08009512 break;
9513 }
9514}
9515
Michael Chan1b277772006-03-20 22:27:48 -08009516static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp)
9517{
9518 u32 nvcfg1;
9519
9520 nvcfg1 = tr32(NVRAM_CFG1);
9521
9522 switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
9523 case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ:
9524 case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ:
9525 case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ:
9526 case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ:
9527 tp->nvram_jedecnum = JEDEC_ATMEL;
9528 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9529 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9530
9531 nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS;
9532 tw32(NVRAM_CFG1, nvcfg1);
9533 break;
9534 case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED:
9535 case FLASH_5755VENDOR_ATMEL_FLASH_1:
9536 case FLASH_5755VENDOR_ATMEL_FLASH_2:
9537 case FLASH_5755VENDOR_ATMEL_FLASH_3:
9538 tp->nvram_jedecnum = JEDEC_ATMEL;
9539 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9540 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9541 tp->nvram_pagesize = 264;
9542 break;
9543 case FLASH_5752VENDOR_ST_M45PE10:
9544 case FLASH_5752VENDOR_ST_M45PE20:
9545 case FLASH_5752VENDOR_ST_M45PE40:
9546 tp->nvram_jedecnum = JEDEC_ST;
9547 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9548 tp->tg3_flags2 |= TG3_FLG2_FLASH;
9549 tp->nvram_pagesize = 256;
9550 break;
9551 }
9552}
9553
Michael Chanb5d37722006-09-27 16:06:21 -07009554static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp)
9555{
9556 tp->nvram_jedecnum = JEDEC_ATMEL;
9557 tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED;
9558 tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE;
9559}
9560
Linus Torvalds1da177e2005-04-16 15:20:36 -07009561/* Chips other than 5700/5701 use the NVRAM for fetching info. */
9562static void __devinit tg3_nvram_init(struct tg3 *tp)
9563{
Linus Torvalds1da177e2005-04-16 15:20:36 -07009564 tw32_f(GRC_EEPROM_ADDR,
9565 (EEPROM_ADDR_FSM_RESET |
9566 (EEPROM_DEFAULT_CLOCK_PERIOD <<
9567 EEPROM_ADDR_CLKPERD_SHIFT)));
9568
Michael Chan9d57f012006-12-07 00:23:25 -08009569 msleep(1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009570
9571 /* Enable seeprom accesses. */
9572 tw32_f(GRC_LOCAL_CTRL,
9573 tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM);
9574 udelay(100);
9575
9576 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
9577 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
9578 tp->tg3_flags |= TG3_FLAG_NVRAM;
9579
Michael Chanec41c7d2006-01-17 02:40:55 -08009580 if (tg3_nvram_lock(tp)) {
9581 printk(KERN_WARNING PFX "%s: Cannot get nvarm lock, "
9582 "tg3_nvram_init failed.\n", tp->dev->name);
9583 return;
9584 }
Michael Chane6af3012005-04-21 17:12:05 -07009585 tg3_enable_nvram_access(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009586
Matt Carlson989a9d22007-05-05 11:51:05 -07009587 tp->nvram_size = 0;
9588
Michael Chan361b4ac2005-04-21 17:11:21 -07009589 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
9590 tg3_get_5752_nvram_info(tp);
Michael Chand3c7b882006-03-23 01:28:25 -08009591 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
9592 tg3_get_5755_nvram_info(tp);
Michael Chan1b277772006-03-20 22:27:48 -08009593 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
9594 tg3_get_5787_nvram_info(tp);
Michael Chanb5d37722006-09-27 16:06:21 -07009595 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
9596 tg3_get_5906_nvram_info(tp);
Michael Chan361b4ac2005-04-21 17:11:21 -07009597 else
9598 tg3_get_nvram_info(tp);
9599
Matt Carlson989a9d22007-05-05 11:51:05 -07009600 if (tp->nvram_size == 0)
9601 tg3_get_nvram_size(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009602
Michael Chane6af3012005-04-21 17:12:05 -07009603 tg3_disable_nvram_access(tp);
Michael Chan381291b2005-12-13 21:08:21 -08009604 tg3_nvram_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009605
9606 } else {
9607 tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
9608
9609 tg3_get_eeprom_size(tp);
9610 }
9611}
9612
9613static int tg3_nvram_read_using_eeprom(struct tg3 *tp,
9614 u32 offset, u32 *val)
9615{
9616 u32 tmp;
9617 int i;
9618
9619 if (offset > EEPROM_ADDR_ADDR_MASK ||
9620 (offset % 4) != 0)
9621 return -EINVAL;
9622
9623 tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK |
9624 EEPROM_ADDR_DEVID_MASK |
9625 EEPROM_ADDR_READ);
9626 tw32(GRC_EEPROM_ADDR,
9627 tmp |
9628 (0 << EEPROM_ADDR_DEVID_SHIFT) |
9629 ((offset << EEPROM_ADDR_ADDR_SHIFT) &
9630 EEPROM_ADDR_ADDR_MASK) |
9631 EEPROM_ADDR_READ | EEPROM_ADDR_START);
9632
Michael Chan9d57f012006-12-07 00:23:25 -08009633 for (i = 0; i < 1000; i++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07009634 tmp = tr32(GRC_EEPROM_ADDR);
9635
9636 if (tmp & EEPROM_ADDR_COMPLETE)
9637 break;
Michael Chan9d57f012006-12-07 00:23:25 -08009638 msleep(1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009639 }
9640 if (!(tmp & EEPROM_ADDR_COMPLETE))
9641 return -EBUSY;
9642
9643 *val = tr32(GRC_EEPROM_DATA);
9644 return 0;
9645}
9646
9647#define NVRAM_CMD_TIMEOUT 10000
9648
9649static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd)
9650{
9651 int i;
9652
9653 tw32(NVRAM_CMD, nvram_cmd);
9654 for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) {
9655 udelay(10);
9656 if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) {
9657 udelay(10);
9658 break;
9659 }
9660 }
9661 if (i == NVRAM_CMD_TIMEOUT) {
9662 return -EBUSY;
9663 }
9664 return 0;
9665}
9666
Michael Chan18201802006-03-20 22:29:15 -08009667static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
9668{
9669 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9670 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9671 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9672 (tp->nvram_jedecnum == JEDEC_ATMEL))
9673
9674 addr = ((addr / tp->nvram_pagesize) <<
9675 ATMEL_AT45DB0X1B_PAGE_POS) +
9676 (addr % tp->nvram_pagesize);
9677
9678 return addr;
9679}
9680
Michael Chanc4e65752006-03-20 22:29:32 -08009681static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
9682{
9683 if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
9684 (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
9685 (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
9686 (tp->nvram_jedecnum == JEDEC_ATMEL))
9687
9688 addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
9689 tp->nvram_pagesize) +
9690 (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
9691
9692 return addr;
9693}
9694
Linus Torvalds1da177e2005-04-16 15:20:36 -07009695static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
9696{
9697 int ret;
9698
Linus Torvalds1da177e2005-04-16 15:20:36 -07009699 if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
9700 return tg3_nvram_read_using_eeprom(tp, offset, val);
9701
Michael Chan18201802006-03-20 22:29:15 -08009702 offset = tg3_nvram_phys_addr(tp, offset);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009703
9704 if (offset > NVRAM_ADDR_MSK)
9705 return -EINVAL;
9706
Michael Chanec41c7d2006-01-17 02:40:55 -08009707 ret = tg3_nvram_lock(tp);
9708 if (ret)
9709 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -07009710
Michael Chane6af3012005-04-21 17:12:05 -07009711 tg3_enable_nvram_access(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009712
9713 tw32(NVRAM_ADDR, offset);
9714 ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO |
9715 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE);
9716
9717 if (ret == 0)
9718 *val = swab32(tr32(NVRAM_RDDATA));
9719
Michael Chane6af3012005-04-21 17:12:05 -07009720 tg3_disable_nvram_access(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009721
Michael Chan381291b2005-12-13 21:08:21 -08009722 tg3_nvram_unlock(tp);
9723
Linus Torvalds1da177e2005-04-16 15:20:36 -07009724 return ret;
9725}
9726
Michael Chan18201802006-03-20 22:29:15 -08009727static int tg3_nvram_read_swab(struct tg3 *tp, u32 offset, u32 *val)
9728{
9729 int err;
9730 u32 tmp;
9731
9732 err = tg3_nvram_read(tp, offset, &tmp);
9733 *val = swab32(tmp);
9734 return err;
9735}
9736
Linus Torvalds1da177e2005-04-16 15:20:36 -07009737static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp,
9738 u32 offset, u32 len, u8 *buf)
9739{
9740 int i, j, rc = 0;
9741 u32 val;
9742
9743 for (i = 0; i < len; i += 4) {
9744 u32 addr, data;
9745
9746 addr = offset + i;
9747
9748 memcpy(&data, buf + i, 4);
9749
9750 tw32(GRC_EEPROM_DATA, cpu_to_le32(data));
9751
9752 val = tr32(GRC_EEPROM_ADDR);
9753 tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE);
9754
9755 val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK |
9756 EEPROM_ADDR_READ);
9757 tw32(GRC_EEPROM_ADDR, val |
9758 (0 << EEPROM_ADDR_DEVID_SHIFT) |
9759 (addr & EEPROM_ADDR_ADDR_MASK) |
9760 EEPROM_ADDR_START |
9761 EEPROM_ADDR_WRITE);
Jeff Garzik6aa20a22006-09-13 13:24:59 -04009762
Michael Chan9d57f012006-12-07 00:23:25 -08009763 for (j = 0; j < 1000; j++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07009764 val = tr32(GRC_EEPROM_ADDR);
9765
9766 if (val & EEPROM_ADDR_COMPLETE)
9767 break;
Michael Chan9d57f012006-12-07 00:23:25 -08009768 msleep(1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009769 }
9770 if (!(val & EEPROM_ADDR_COMPLETE)) {
9771 rc = -EBUSY;
9772 break;
9773 }
9774 }
9775
9776 return rc;
9777}
9778
9779/* offset and length are dword aligned */
9780static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
9781 u8 *buf)
9782{
9783 int ret = 0;
9784 u32 pagesize = tp->nvram_pagesize;
9785 u32 pagemask = pagesize - 1;
9786 u32 nvram_cmd;
9787 u8 *tmp;
9788
9789 tmp = kmalloc(pagesize, GFP_KERNEL);
9790 if (tmp == NULL)
9791 return -ENOMEM;
9792
9793 while (len) {
9794 int j;
Michael Chane6af3012005-04-21 17:12:05 -07009795 u32 phy_addr, page_off, size;
Linus Torvalds1da177e2005-04-16 15:20:36 -07009796
9797 phy_addr = offset & ~pagemask;
Jeff Garzik6aa20a22006-09-13 13:24:59 -04009798
Linus Torvalds1da177e2005-04-16 15:20:36 -07009799 for (j = 0; j < pagesize; j += 4) {
9800 if ((ret = tg3_nvram_read(tp, phy_addr + j,
9801 (u32 *) (tmp + j))))
9802 break;
9803 }
9804 if (ret)
9805 break;
9806
9807 page_off = offset & pagemask;
9808 size = pagesize;
9809 if (len < size)
9810 size = len;
9811
9812 len -= size;
9813
9814 memcpy(tmp + page_off, buf, size);
9815
9816 offset = offset + (pagesize - page_off);
9817
Michael Chane6af3012005-04-21 17:12:05 -07009818 tg3_enable_nvram_access(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009819
9820 /*
9821 * Before we can erase the flash page, we need
9822 * to issue a special "write enable" command.
9823 */
9824 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9825
9826 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9827 break;
9828
9829 /* Erase the target page */
9830 tw32(NVRAM_ADDR, phy_addr);
9831
9832 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR |
9833 NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE;
9834
9835 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9836 break;
9837
9838 /* Issue another write enable to start the write. */
9839 nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9840
9841 if (tg3_nvram_exec_cmd(tp, nvram_cmd))
9842 break;
9843
9844 for (j = 0; j < pagesize; j += 4) {
9845 u32 data;
9846
9847 data = *((u32 *) (tmp + j));
9848 tw32(NVRAM_WRDATA, cpu_to_be32(data));
9849
9850 tw32(NVRAM_ADDR, phy_addr + j);
9851
9852 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE |
9853 NVRAM_CMD_WR;
9854
9855 if (j == 0)
9856 nvram_cmd |= NVRAM_CMD_FIRST;
9857 else if (j == (pagesize - 4))
9858 nvram_cmd |= NVRAM_CMD_LAST;
9859
9860 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9861 break;
9862 }
9863 if (ret)
9864 break;
9865 }
9866
9867 nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE;
9868 tg3_nvram_exec_cmd(tp, nvram_cmd);
9869
9870 kfree(tmp);
9871
9872 return ret;
9873}
9874
9875/* offset and length are dword aligned */
9876static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
9877 u8 *buf)
9878{
9879 int i, ret = 0;
9880
9881 for (i = 0; i < len; i += 4, offset += 4) {
9882 u32 data, page_off, phy_addr, nvram_cmd;
9883
9884 memcpy(&data, buf + i, 4);
9885 tw32(NVRAM_WRDATA, cpu_to_be32(data));
9886
9887 page_off = offset % tp->nvram_pagesize;
9888
Michael Chan18201802006-03-20 22:29:15 -08009889 phy_addr = tg3_nvram_phys_addr(tp, offset);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009890
9891 tw32(NVRAM_ADDR, phy_addr);
9892
9893 nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR;
9894
9895 if ((page_off == 0) || (i == 0))
9896 nvram_cmd |= NVRAM_CMD_FIRST;
Michael Chanf6d9a252006-04-29 19:00:24 -07009897 if (page_off == (tp->nvram_pagesize - 4))
Linus Torvalds1da177e2005-04-16 15:20:36 -07009898 nvram_cmd |= NVRAM_CMD_LAST;
9899
9900 if (i == (len - 4))
9901 nvram_cmd |= NVRAM_CMD_LAST;
9902
Michael Chan4c987482005-09-05 17:52:38 -07009903 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752) &&
Michael Chanaf36e6b2006-03-23 01:28:06 -08009904 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
Michael Chan1b277772006-03-20 22:27:48 -08009905 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
Michael Chan4c987482005-09-05 17:52:38 -07009906 (tp->nvram_jedecnum == JEDEC_ST) &&
9907 (nvram_cmd & NVRAM_CMD_FIRST)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07009908
9909 if ((ret = tg3_nvram_exec_cmd(tp,
9910 NVRAM_CMD_WREN | NVRAM_CMD_GO |
9911 NVRAM_CMD_DONE)))
9912
9913 break;
9914 }
9915 if (!(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9916 /* We always do complete word writes to eeprom. */
9917 nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST);
9918 }
9919
9920 if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd)))
9921 break;
9922 }
9923 return ret;
9924}
9925
9926/* offset and length are dword aligned */
9927static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
9928{
9929 int ret;
9930
Linus Torvalds1da177e2005-04-16 15:20:36 -07009931 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
Michael Chan314fba32005-04-21 17:07:04 -07009932 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
9933 ~GRC_LCLCTRL_GPIO_OUTPUT1);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009934 udelay(40);
9935 }
9936
9937 if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) {
9938 ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf);
9939 }
9940 else {
9941 u32 grc_mode;
9942
Michael Chanec41c7d2006-01-17 02:40:55 -08009943 ret = tg3_nvram_lock(tp);
9944 if (ret)
9945 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -07009946
Michael Chane6af3012005-04-21 17:12:05 -07009947 tg3_enable_nvram_access(tp);
9948 if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
9949 !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
Linus Torvalds1da177e2005-04-16 15:20:36 -07009950 tw32(NVRAM_WRITE1, 0x406);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009951
9952 grc_mode = tr32(GRC_MODE);
9953 tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE);
9954
9955 if ((tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) ||
9956 !(tp->tg3_flags2 & TG3_FLG2_FLASH)) {
9957
9958 ret = tg3_nvram_write_block_buffered(tp, offset, len,
9959 buf);
9960 }
9961 else {
9962 ret = tg3_nvram_write_block_unbuffered(tp, offset, len,
9963 buf);
9964 }
9965
9966 grc_mode = tr32(GRC_MODE);
9967 tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE);
9968
Michael Chane6af3012005-04-21 17:12:05 -07009969 tg3_disable_nvram_access(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009970 tg3_nvram_unlock(tp);
9971 }
9972
9973 if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
Michael Chan314fba32005-04-21 17:07:04 -07009974 tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
Linus Torvalds1da177e2005-04-16 15:20:36 -07009975 udelay(40);
9976 }
9977
9978 return ret;
9979}
9980
9981struct subsys_tbl_ent {
9982 u16 subsys_vendor, subsys_devid;
9983 u32 phy_id;
9984};
9985
9986static struct subsys_tbl_ent subsys_id_to_phy_id[] = {
9987 /* Broadcom boards. */
9988 { PCI_VENDOR_ID_BROADCOM, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */
9989 { PCI_VENDOR_ID_BROADCOM, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */
9990 { PCI_VENDOR_ID_BROADCOM, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */
9991 { PCI_VENDOR_ID_BROADCOM, 0x0003, 0 }, /* BCM95700A9 */
9992 { PCI_VENDOR_ID_BROADCOM, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */
9993 { PCI_VENDOR_ID_BROADCOM, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */
9994 { PCI_VENDOR_ID_BROADCOM, 0x0007, 0 }, /* BCM95701A7 */
9995 { PCI_VENDOR_ID_BROADCOM, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */
9996 { PCI_VENDOR_ID_BROADCOM, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */
9997 { PCI_VENDOR_ID_BROADCOM, 0x0009, PHY_ID_BCM5703 }, /* BCM95703Ax1 */
9998 { PCI_VENDOR_ID_BROADCOM, 0x8009, PHY_ID_BCM5703 }, /* BCM95703Ax2 */
9999
10000 /* 3com boards. */
10001 { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */
10002 { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */
10003 { PCI_VENDOR_ID_3COM, 0x1004, 0 }, /* 3C996SX */
10004 { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */
10005 { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */
10006
10007 /* DELL boards. */
10008 { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */
10009 { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */
10010 { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */
10011 { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */
10012
10013 /* Compaq boards. */
10014 { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */
10015 { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */
10016 { PCI_VENDOR_ID_COMPAQ, 0x007d, 0 }, /* CHANGELING */
10017 { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */
10018 { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 }, /* NC7780_2 */
10019
10020 /* IBM boards. */
10021 { PCI_VENDOR_ID_IBM, 0x0281, 0 } /* IBM??? */
10022};
10023
10024static inline struct subsys_tbl_ent *lookup_by_subsys(struct tg3 *tp)
10025{
10026 int i;
10027
10028 for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) {
10029 if ((subsys_id_to_phy_id[i].subsys_vendor ==
10030 tp->pdev->subsystem_vendor) &&
10031 (subsys_id_to_phy_id[i].subsys_devid ==
10032 tp->pdev->subsystem_device))
10033 return &subsys_id_to_phy_id[i];
10034 }
10035 return NULL;
10036}
10037
Michael Chan7d0c41e2005-04-21 17:06:20 -070010038static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
Linus Torvalds1da177e2005-04-16 15:20:36 -070010039{
Linus Torvalds1da177e2005-04-16 15:20:36 -070010040 u32 val;
Michael Chancaf636c72006-03-22 01:05:31 -080010041 u16 pmcsr;
10042
10043 /* On some early chips the SRAM cannot be accessed in D3hot state,
10044 * so need make sure we're in D0.
10045 */
10046 pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr);
10047 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
10048 pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr);
10049 msleep(1);
Michael Chan7d0c41e2005-04-21 17:06:20 -070010050
10051 /* Make sure register accesses (indirect or otherwise)
10052 * will function correctly.
10053 */
10054 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10055 tp->misc_host_ctrl);
Linus Torvalds1da177e2005-04-16 15:20:36 -070010056
David S. Millerf49639e2006-06-09 11:58:36 -070010057 /* The memory arbiter has to be enabled in order for SRAM accesses
10058 * to succeed. Normally on powerup the tg3 chip firmware will make
10059 * sure it is enabled, but other entities such as system netboot
10060 * code might disable it.
10061 */
10062 val = tr32(MEMARB_MODE);
10063 tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE);
10064
Linus Torvalds1da177e2005-04-16 15:20:36 -070010065 tp->phy_id = PHY_ID_INVALID;
Michael Chan7d0c41e2005-04-21 17:06:20 -070010066 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10067
Gary Zambranoa85feb82007-05-05 11:52:19 -070010068 /* Assume an onboard device and WOL capable by default. */
10069 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT | TG3_FLAG_WOL_CAP;
David S. Miller72b845e2006-03-14 14:11:48 -080010070
Michael Chanb5d37722006-09-27 16:06:21 -070010071 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
Michael Chan9d26e212006-12-07 00:21:14 -080010072 if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) {
Michael Chanb5d37722006-09-27 16:06:21 -070010073 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
Michael Chan9d26e212006-12-07 00:21:14 -080010074 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
10075 }
Matt Carlson8ed5d972007-05-07 00:25:49 -070010076 if (tr32(VCPU_CFGSHDW) & VCPU_CFGSHDW_ASPM_DBNC)
10077 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
Michael Chanb5d37722006-09-27 16:06:21 -070010078 return;
10079 }
10080
Linus Torvalds1da177e2005-04-16 15:20:36 -070010081 tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
10082 if (val == NIC_SRAM_DATA_SIG_MAGIC) {
10083 u32 nic_cfg, led_cfg;
Michael Chan7d0c41e2005-04-21 17:06:20 -070010084 u32 nic_phy_id, ver, cfg2 = 0, eeprom_phy_id;
10085 int eeprom_phy_serdes = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -070010086
10087 tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg);
10088 tp->nic_sram_data_cfg = nic_cfg;
10089
10090 tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver);
10091 ver >>= NIC_SRAM_DATA_VER_SHIFT;
10092 if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
10093 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
10094 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) &&
10095 (ver > 0) && (ver < 0x100))
10096 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2);
10097
Linus Torvalds1da177e2005-04-16 15:20:36 -070010098 if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) ==
10099 NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER)
10100 eeprom_phy_serdes = 1;
10101
10102 tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id);
10103 if (nic_phy_id != 0) {
10104 u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK;
10105 u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK;
10106
10107 eeprom_phy_id = (id1 >> 16) << 10;
10108 eeprom_phy_id |= (id2 & 0xfc00) << 16;
10109 eeprom_phy_id |= (id2 & 0x03ff) << 0;
10110 } else
10111 eeprom_phy_id = 0;
10112
Michael Chan7d0c41e2005-04-21 17:06:20 -070010113 tp->phy_id = eeprom_phy_id;
Michael Chan747e8f82005-07-25 12:33:22 -070010114 if (eeprom_phy_serdes) {
Michael Chana4e2b342005-10-26 15:46:52 -070010115 if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
Michael Chan747e8f82005-07-25 12:33:22 -070010116 tp->tg3_flags2 |= TG3_FLG2_MII_SERDES;
10117 else
10118 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10119 }
Michael Chan7d0c41e2005-04-21 17:06:20 -070010120
John W. Linvillecbf46852005-04-21 17:01:29 -070010121 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
Linus Torvalds1da177e2005-04-16 15:20:36 -070010122 led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK |
10123 SHASTA_EXT_LED_MODE_MASK);
John W. Linvillecbf46852005-04-21 17:01:29 -070010124 else
Linus Torvalds1da177e2005-04-16 15:20:36 -070010125 led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK;
10126
10127 switch (led_cfg) {
10128 default:
10129 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1:
10130 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10131 break;
10132
10133 case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2:
10134 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10135 break;
10136
10137 case NIC_SRAM_DATA_CFG_LED_MODE_MAC:
10138 tp->led_ctrl = LED_CTRL_MODE_MAC;
Michael Chan9ba27792005-06-06 15:16:20 -070010139
10140 /* Default to PHY_1_MODE if 0 (MAC_MODE) is
10141 * read on some older 5700/5701 bootcode.
10142 */
10143 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10144 ASIC_REV_5700 ||
10145 GET_ASIC_REV(tp->pci_chip_rev_id) ==
10146 ASIC_REV_5701)
10147 tp->led_ctrl = LED_CTRL_MODE_PHY_1;
10148
Linus Torvalds1da177e2005-04-16 15:20:36 -070010149 break;
10150
10151 case SHASTA_EXT_LED_SHARED:
10152 tp->led_ctrl = LED_CTRL_MODE_SHARED;
10153 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
10154 tp->pci_chip_rev_id != CHIPREV_ID_5750_A1)
10155 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10156 LED_CTRL_MODE_PHY_2);
10157 break;
10158
10159 case SHASTA_EXT_LED_MAC:
10160 tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC;
10161 break;
10162
10163 case SHASTA_EXT_LED_COMBO:
10164 tp->led_ctrl = LED_CTRL_MODE_COMBO;
10165 if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)
10166 tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 |
10167 LED_CTRL_MODE_PHY_2);
10168 break;
10169
10170 };
10171
10172 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10173 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) &&
10174 tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
10175 tp->led_ctrl = LED_CTRL_MODE_PHY_2;
10176
Michael Chan9d26e212006-12-07 00:21:14 -080010177 if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) {
Linus Torvalds1da177e2005-04-16 15:20:36 -070010178 tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
Michael Chan9d26e212006-12-07 00:21:14 -080010179 if ((tp->pdev->subsystem_vendor ==
10180 PCI_VENDOR_ID_ARIMA) &&
10181 (tp->pdev->subsystem_device == 0x205a ||
10182 tp->pdev->subsystem_device == 0x2063))
10183 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
10184 } else {
David S. Millerf49639e2006-06-09 11:58:36 -070010185 tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT;
Michael Chan9d26e212006-12-07 00:21:14 -080010186 tp->tg3_flags2 |= TG3_FLG2_IS_NIC;
10187 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070010188
10189 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
10190 tp->tg3_flags |= TG3_FLAG_ENABLE_ASF;
John W. Linvillecbf46852005-04-21 17:01:29 -070010191 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS)
Linus Torvalds1da177e2005-04-16 15:20:36 -070010192 tp->tg3_flags2 |= TG3_FLG2_ASF_NEW_HANDSHAKE;
10193 }
Gary Zambranoa85feb82007-05-05 11:52:19 -070010194 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES &&
10195 !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL))
10196 tp->tg3_flags &= ~TG3_FLAG_WOL_CAP;
Linus Torvalds1da177e2005-04-16 15:20:36 -070010197
10198 if (cfg2 & (1 << 17))
10199 tp->tg3_flags2 |= TG3_FLG2_CAPACITIVE_COUPLING;
10200
10201 /* serdes signal pre-emphasis in register 0x590 set by */
10202 /* bootcode if bit 18 is set */
10203 if (cfg2 & (1 << 18))
10204 tp->tg3_flags2 |= TG3_FLG2_SERDES_PREEMPHASIS;
Matt Carlson8ed5d972007-05-07 00:25:49 -070010205
10206 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
10207 u32 cfg3;
10208
10209 tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3);
10210 if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE)
10211 tp->tg3_flags |= TG3_FLAG_ASPM_WORKAROUND;
10212 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070010213 }
Michael Chan7d0c41e2005-04-21 17:06:20 -070010214}
10215
10216static int __devinit tg3_phy_probe(struct tg3 *tp)
10217{
10218 u32 hw_phy_id_1, hw_phy_id_2;
10219 u32 hw_phy_id, hw_phy_id_masked;
10220 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -070010221
10222 /* Reading the PHY ID register can conflict with ASF
10223 * firwmare access to the PHY hardware.
10224 */
10225 err = 0;
10226 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
10227 hw_phy_id = hw_phy_id_masked = PHY_ID_INVALID;
10228 } else {
10229 /* Now read the physical PHY_ID from the chip and verify
10230 * that it is sane. If it doesn't look good, we fall back
10231 * to either the hard-coded table based PHY_ID and failing
10232 * that the value found in the eeprom area.
10233 */
10234 err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1);
10235 err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2);
10236
10237 hw_phy_id = (hw_phy_id_1 & 0xffff) << 10;
10238 hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16;
10239 hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0;
10240
10241 hw_phy_id_masked = hw_phy_id & PHY_ID_MASK;
10242 }
10243
10244 if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) {
10245 tp->phy_id = hw_phy_id;
10246 if (hw_phy_id_masked == PHY_ID_BCM8002)
10247 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
Michael Chanda6b2d02005-08-19 12:54:29 -070010248 else
10249 tp->tg3_flags2 &= ~TG3_FLG2_PHY_SERDES;
Linus Torvalds1da177e2005-04-16 15:20:36 -070010250 } else {
Michael Chan7d0c41e2005-04-21 17:06:20 -070010251 if (tp->phy_id != PHY_ID_INVALID) {
10252 /* Do nothing, phy ID already set up in
10253 * tg3_get_eeprom_hw_cfg().
10254 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070010255 } else {
10256 struct subsys_tbl_ent *p;
10257
10258 /* No eeprom signature? Try the hardcoded
10259 * subsys device table.
10260 */
10261 p = lookup_by_subsys(tp);
10262 if (!p)
10263 return -ENODEV;
10264
10265 tp->phy_id = p->phy_id;
10266 if (!tp->phy_id ||
10267 tp->phy_id == PHY_ID_BCM8002)
10268 tp->tg3_flags2 |= TG3_FLG2_PHY_SERDES;
10269 }
10270 }
10271
Michael Chan747e8f82005-07-25 12:33:22 -070010272 if (!(tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) &&
Linus Torvalds1da177e2005-04-16 15:20:36 -070010273 !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
Michael Chan3600d912006-12-07 00:21:48 -080010274 u32 bmsr, adv_reg, tg3_ctrl, mask;
Linus Torvalds1da177e2005-04-16 15:20:36 -070010275
10276 tg3_readphy(tp, MII_BMSR, &bmsr);
10277 if (!tg3_readphy(tp, MII_BMSR, &bmsr) &&
10278 (bmsr & BMSR_LSTATUS))
10279 goto skip_phy_reset;
Jeff Garzik6aa20a22006-09-13 13:24:59 -040010280
Linus Torvalds1da177e2005-04-16 15:20:36 -070010281 err = tg3_phy_reset(tp);
10282 if (err)
10283 return err;
10284
10285 adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL |
10286 ADVERTISE_100HALF | ADVERTISE_100FULL |
10287 ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
10288 tg3_ctrl = 0;
10289 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY)) {
10290 tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF |
10291 MII_TG3_CTRL_ADV_1000_FULL);
10292 if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10293 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)
10294 tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER |
10295 MII_TG3_CTRL_ENABLE_AS_MASTER);
10296 }
10297
Michael Chan3600d912006-12-07 00:21:48 -080010298 mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
10299 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
10300 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full);
10301 if (!tg3_copper_is_advertising_all(tp, mask)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -070010302 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10303
10304 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10305 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10306
10307 tg3_writephy(tp, MII_BMCR,
10308 BMCR_ANENABLE | BMCR_ANRESTART);
10309 }
10310 tg3_phy_set_wirespeed(tp);
10311
10312 tg3_writephy(tp, MII_ADVERTISE, adv_reg);
10313 if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
10314 tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl);
10315 }
10316
10317skip_phy_reset:
10318 if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) {
10319 err = tg3_init_5401phy_dsp(tp);
10320 if (err)
10321 return err;
10322 }
10323
10324 if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) {
10325 err = tg3_init_5401phy_dsp(tp);
10326 }
10327
Michael Chan747e8f82005-07-25 12:33:22 -070010328 if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES)
Linus Torvalds1da177e2005-04-16 15:20:36 -070010329 tp->link_config.advertising =
10330 (ADVERTISED_1000baseT_Half |
10331 ADVERTISED_1000baseT_Full |
10332 ADVERTISED_Autoneg |
10333 ADVERTISED_FIBRE);
10334 if (tp->tg3_flags & TG3_FLAG_10_100_ONLY)
10335 tp->link_config.advertising &=
10336 ~(ADVERTISED_1000baseT_Half |
10337 ADVERTISED_1000baseT_Full);
10338
10339 return err;
10340}
10341
10342static void __devinit tg3_read_partno(struct tg3 *tp)
10343{
10344 unsigned char vpd_data[256];
Michael Chanaf2c6a42006-11-07 14:57:51 -080010345 unsigned int i;
Michael Chan1b277772006-03-20 22:27:48 -080010346 u32 magic;
Linus Torvalds1da177e2005-04-16 15:20:36 -070010347
Michael Chan18201802006-03-20 22:29:15 -080010348 if (tg3_nvram_read_swab(tp, 0x0, &magic))
David S. Millerf49639e2006-06-09 11:58:36 -070010349 goto out_not_found;
Linus Torvalds1da177e2005-04-16 15:20:36 -070010350
Michael Chan18201802006-03-20 22:29:15 -080010351 if (magic == TG3_EEPROM_MAGIC) {
Michael Chan1b277772006-03-20 22:27:48 -080010352 for (i = 0; i < 256; i += 4) {
10353 u32 tmp;
Linus Torvalds1da177e2005-04-16 15:20:36 -070010354
Michael Chan1b277772006-03-20 22:27:48 -080010355 if (tg3_nvram_read(tp, 0x100 + i, &tmp))
10356 goto out_not_found;
10357
10358 vpd_data[i + 0] = ((tmp >> 0) & 0xff);
10359 vpd_data[i + 1] = ((tmp >> 8) & 0xff);
10360 vpd_data[i + 2] = ((tmp >> 16) & 0xff);
10361 vpd_data[i + 3] = ((tmp >> 24) & 0xff);
10362 }
10363 } else {
10364 int vpd_cap;
10365
10366 vpd_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_VPD);
10367 for (i = 0; i < 256; i += 4) {
10368 u32 tmp, j = 0;
10369 u16 tmp16;
10370
10371 pci_write_config_word(tp->pdev, vpd_cap + PCI_VPD_ADDR,
10372 i);
10373 while (j++ < 100) {
10374 pci_read_config_word(tp->pdev, vpd_cap +
10375 PCI_VPD_ADDR, &tmp16);
10376 if (tmp16 & 0x8000)
10377 break;
10378 msleep(1);
10379 }
David S. Millerf49639e2006-06-09 11:58:36 -070010380 if (!(tmp16 & 0x8000))
10381 goto out_not_found;
10382
Michael Chan1b277772006-03-20 22:27:48 -080010383 pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA,
10384 &tmp);
10385 tmp = cpu_to_le32(tmp);
10386 memcpy(&vpd_data[i], &tmp, 4);
10387 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070010388 }
10389
10390 /* Now parse and find the part number. */
Michael Chanaf2c6a42006-11-07 14:57:51 -080010391 for (i = 0; i < 254; ) {
Linus Torvalds1da177e2005-04-16 15:20:36 -070010392 unsigned char val = vpd_data[i];
Michael Chanaf2c6a42006-11-07 14:57:51 -080010393 unsigned int block_end;
Linus Torvalds1da177e2005-04-16 15:20:36 -070010394
10395 if (val == 0x82 || val == 0x91) {
10396 i = (i + 3 +
10397 (vpd_data[i + 1] +
10398 (vpd_data[i + 2] << 8)));
10399 continue;
10400 }
10401
10402 if (val != 0x90)
10403 goto out_not_found;
10404
10405 block_end = (i + 3 +
10406 (vpd_data[i + 1] +
10407 (vpd_data[i + 2] << 8)));
10408 i += 3;
Michael Chanaf2c6a42006-11-07 14:57:51 -080010409
10410 if (block_end > 256)
10411 goto out_not_found;
10412
10413 while (i < (block_end - 2)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -070010414 if (vpd_data[i + 0] == 'P' &&
10415 vpd_data[i + 1] == 'N') {
10416 int partno_len = vpd_data[i + 2];
10417
Michael Chanaf2c6a42006-11-07 14:57:51 -080010418 i += 3;
10419 if (partno_len > 24 || (partno_len + i) > 256)
Linus Torvalds1da177e2005-04-16 15:20:36 -070010420 goto out_not_found;
10421
10422 memcpy(tp->board_part_number,
Michael Chanaf2c6a42006-11-07 14:57:51 -080010423 &vpd_data[i], partno_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -070010424
10425 /* Success. */
10426 return;
10427 }
Michael Chanaf2c6a42006-11-07 14:57:51 -080010428 i += 3 + vpd_data[i + 2];
Linus Torvalds1da177e2005-04-16 15:20:36 -070010429 }
10430
10431 /* Part number not found. */
10432 goto out_not_found;
10433 }
10434
10435out_not_found:
Michael Chanb5d37722006-09-27 16:06:21 -070010436 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
10437 strcpy(tp->board_part_number, "BCM95906");
10438 else
10439 strcpy(tp->board_part_number, "none");
Linus Torvalds1da177e2005-04-16 15:20:36 -070010440}
10441
Michael Chanc4e65752006-03-20 22:29:32 -080010442static void __devinit tg3_read_fw_ver(struct tg3 *tp)
10443{
10444 u32 val, offset, start;
10445
10446 if (tg3_nvram_read_swab(tp, 0, &val))
10447 return;
10448
10449 if (val != TG3_EEPROM_MAGIC)
10450 return;
10451
10452 if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
10453 tg3_nvram_read_swab(tp, 0x4, &start))
10454 return;
10455
10456 offset = tg3_nvram_logical_addr(tp, offset);
10457 if (tg3_nvram_read_swab(tp, offset, &val))
10458 return;
10459
10460 if ((val & 0xfc000000) == 0x0c000000) {
10461 u32 ver_offset, addr;
10462 int i;
10463
10464 if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
10465 tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
10466 return;
10467
10468 if (val != 0)
10469 return;
10470
10471 addr = offset + ver_offset - start;
10472 for (i = 0; i < 16; i += 4) {
10473 if (tg3_nvram_read(tp, addr + i, &val))
10474 return;
10475
10476 val = cpu_to_le32(val);
10477 memcpy(tp->fw_ver + i, &val, 4);
10478 }
10479 }
10480}
10481
Michael Chan7544b092007-05-05 13:08:32 -070010482static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
10483
Linus Torvalds1da177e2005-04-16 15:20:36 -070010484static int __devinit tg3_get_invariants(struct tg3 *tp)
10485{
10486 static struct pci_device_id write_reorder_chipsets[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070010487 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10488 PCI_DEVICE_ID_AMD_FE_GATE_700C) },
John W. Linvillec165b002006-07-08 13:28:53 -070010489 { PCI_DEVICE(PCI_VENDOR_ID_AMD,
10490 PCI_DEVICE_ID_AMD_8131_BRIDGE) },
Michael Chan399de502005-10-03 14:02:39 -070010491 { PCI_DEVICE(PCI_VENDOR_ID_VIA,
10492 PCI_DEVICE_ID_VIA_8385_0) },
Linus Torvalds1da177e2005-04-16 15:20:36 -070010493 { },
10494 };
10495 u32 misc_ctrl_reg;
10496 u32 cacheline_sz_reg;
10497 u32 pci_state_reg, grc_misc_cfg;
10498 u32 val;
10499 u16 pci_cmd;
Michael Chanc7835a72006-11-15 21:14:42 -080010500 int err, pcie_cap;
Linus Torvalds1da177e2005-04-16 15:20:36 -070010501
Linus Torvalds1da177e2005-04-16 15:20:36 -070010502 /* Force memory write invalidate off. If we leave it on,
10503 * then on 5700_BX chips we have to enable a workaround.
10504 * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary
10505 * to match the cacheline size. The Broadcom driver have this
10506 * workaround but turns MWI off all the times so never uses
10507 * it. This seems to suggest that the workaround is insufficient.
10508 */
10509 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10510 pci_cmd &= ~PCI_COMMAND_INVALIDATE;
10511 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10512
10513 /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL
10514 * has the register indirect write enable bit set before
10515 * we try to access any of the MMIO registers. It is also
10516 * critical that the PCI-X hw workaround situation is decided
10517 * before that as well.
10518 */
10519 pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10520 &misc_ctrl_reg);
10521
10522 tp->pci_chip_rev_id = (misc_ctrl_reg >>
10523 MISC_HOST_CTRL_CHIPREV_SHIFT);
10524
Michael Chanff645be2005-04-21 17:09:53 -070010525 /* Wrong chip ID in 5752 A0. This code can be removed later
10526 * as A0 is not in production.
10527 */
10528 if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW)
10529 tp->pci_chip_rev_id = CHIPREV_ID_5752_A0;
10530
Michael Chan68929142005-08-09 20:17:14 -070010531 /* If we have 5702/03 A1 or A2 on certain ICH chipsets,
10532 * we need to disable memory and use config. cycles
10533 * only to access all registers. The 5702/03 chips
10534 * can mistakenly decode the special cycles from the
10535 * ICH chipsets as memory write cycles, causing corruption
10536 * of register and memory space. Only certain ICH bridges
10537 * will drive special cycles with non-zero data during the
10538 * address phase which can fall within the 5703's address
10539 * range. This is not an ICH bug as the PCI spec allows
10540 * non-zero address during special cycles. However, only
10541 * these ICH bridges are known to drive non-zero addresses
10542 * during special cycles.
10543 *
10544 * Since special cycles do not cross PCI bridges, we only
10545 * enable this workaround if the 5703 is on the secondary
10546 * bus of these ICH bridges.
10547 */
10548 if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) ||
10549 (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) {
10550 static struct tg3_dev_id {
10551 u32 vendor;
10552 u32 device;
10553 u32 rev;
10554 } ich_chipsets[] = {
10555 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8,
10556 PCI_ANY_ID },
10557 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8,
10558 PCI_ANY_ID },
10559 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11,
10560 0xa },
10561 { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6,
10562 PCI_ANY_ID },
10563 { },
10564 };
10565 struct tg3_dev_id *pci_id = &ich_chipsets[0];
10566 struct pci_dev *bridge = NULL;
10567
10568 while (pci_id->vendor != 0) {
10569 bridge = pci_get_device(pci_id->vendor, pci_id->device,
10570 bridge);
10571 if (!bridge) {
10572 pci_id++;
10573 continue;
10574 }
10575 if (pci_id->rev != PCI_ANY_ID) {
Auke Kok44c10132007-06-08 15:46:36 -070010576 if (bridge->revision > pci_id->rev)
Michael Chan68929142005-08-09 20:17:14 -070010577 continue;
10578 }
10579 if (bridge->subordinate &&
10580 (bridge->subordinate->number ==
10581 tp->pdev->bus->number)) {
10582
10583 tp->tg3_flags2 |= TG3_FLG2_ICH_WORKAROUND;
10584 pci_dev_put(bridge);
10585 break;
10586 }
10587 }
10588 }
10589
Michael Chan4a29cc22006-03-19 13:21:12 -080010590 /* The EPB bridge inside 5714, 5715, and 5780 cannot support
10591 * DMA addresses > 40-bit. This bridge may have other additional
10592 * 57xx devices behind it in some 4-port NIC designs for example.
10593 * Any tg3 device found behind the bridge will also need the 40-bit
10594 * DMA workaround.
10595 */
Michael Chana4e2b342005-10-26 15:46:52 -070010596 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
10597 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
10598 tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
Michael Chan4a29cc22006-03-19 13:21:12 -080010599 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
Michael Chan4cf78e42005-07-25 12:29:19 -070010600 tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
Michael Chana4e2b342005-10-26 15:46:52 -070010601 }
Michael Chan4a29cc22006-03-19 13:21:12 -080010602 else {
10603 struct pci_dev *bridge = NULL;
10604
10605 do {
10606 bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
10607 PCI_DEVICE_ID_SERVERWORKS_EPB,
10608 bridge);
10609 if (bridge && bridge->subordinate &&
10610 (bridge->subordinate->number <=
10611 tp->pdev->bus->number) &&
10612 (bridge->subordinate->subordinate >=
10613 tp->pdev->bus->number)) {
10614 tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
10615 pci_dev_put(bridge);
10616 break;
10617 }
10618 } while (bridge);
10619 }
Michael Chan4cf78e42005-07-25 12:29:19 -070010620
Linus Torvalds1da177e2005-04-16 15:20:36 -070010621 /* Initialize misc host control in PCI block. */
10622 tp->misc_host_ctrl |= (misc_ctrl_reg &
10623 MISC_HOST_CTRL_CHIPREV);
10624 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10625 tp->misc_host_ctrl);
10626
10627 pci_read_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10628 &cacheline_sz_reg);
10629
10630 tp->pci_cacheline_sz = (cacheline_sz_reg >> 0) & 0xff;
10631 tp->pci_lat_timer = (cacheline_sz_reg >> 8) & 0xff;
10632 tp->pci_hdr_type = (cacheline_sz_reg >> 16) & 0xff;
10633 tp->pci_bist = (cacheline_sz_reg >> 24) & 0xff;
10634
Michael Chan7544b092007-05-05 13:08:32 -070010635 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
10636 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
10637 tp->pdev_peer = tg3_find_peer(tp);
10638
John W. Linville2052da92005-04-21 16:56:08 -070010639 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
Michael Chan4cf78e42005-07-25 12:29:19 -070010640 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
Michael Chanaf36e6b2006-03-23 01:28:06 -080010641 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
Michael Chand9ab5ad2006-03-20 22:27:35 -080010642 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
Michael Chanb5d37722006-09-27 16:06:21 -070010643 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
Michael Chana4e2b342005-10-26 15:46:52 -070010644 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
John W. Linville6708e5c2005-04-21 17:00:52 -070010645 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
10646
John W. Linville1b440c562005-04-21 17:03:18 -070010647 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) ||
10648 (tp->tg3_flags2 & TG3_FLG2_5750_PLUS))
10649 tp->tg3_flags2 |= TG3_FLG2_5705_PLUS;
10650
Michael Chan5a6f3072006-03-20 22:28:05 -080010651 if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
Michael Chan7544b092007-05-05 13:08:32 -070010652 tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
10653 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
10654 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX ||
10655 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 &&
10656 tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 &&
10657 tp->pdev_peer == tp->pdev))
10658 tp->tg3_flags &= ~TG3_FLAG_SUPPORT_MSI;
10659
Michael Chanaf36e6b2006-03-23 01:28:06 -080010660 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
Michael Chanb5d37722006-09-27 16:06:21 -070010661 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
10662 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
Michael Chan5a6f3072006-03-20 22:28:05 -080010663 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
Michael Chanfcfa0a32006-03-20 22:28:41 -080010664 tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
Michael Chan52c0fd82006-06-29 20:15:54 -070010665 } else {
Michael Chan7f62ad52007-02-20 23:25:40 -080010666 tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
Michael Chan52c0fd82006-06-29 20:15:54 -070010667 if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
10668 ASIC_REV_5750 &&
10669 tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
Michael Chan7f62ad52007-02-20 23:25:40 -080010670 tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
Michael Chan52c0fd82006-06-29 20:15:54 -070010671 }
Michael Chan5a6f3072006-03-20 22:28:05 -080010672 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070010673
Michael Chan0f893dc2005-07-25 12:30:38 -070010674 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705 &&
10675 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5750 &&
Michael Chand9ab5ad2006-03-20 22:27:35 -080010676 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 &&
Michael Chanaf36e6b2006-03-23 01:28:06 -080010677 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
Michael Chanb5d37722006-09-27 16:06:21 -070010678 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787 &&
10679 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
Michael Chan0f893dc2005-07-25 12:30:38 -070010680 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
10681
Michael Chanc7835a72006-11-15 21:14:42 -080010682 pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP);
10683 if (pcie_cap != 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -070010684 tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS;
Michael Chanc7835a72006-11-15 21:14:42 -080010685 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10686 u16 lnkctl;
10687
10688 pci_read_config_word(tp->pdev,
10689 pcie_cap + PCI_EXP_LNKCTL,
10690 &lnkctl);
10691 if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN)
10692 tp->tg3_flags2 &= ~TG3_FLG2_HW_TSO_2;
10693 }
10694 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070010695
Michael Chan399de502005-10-03 14:02:39 -070010696 /* If we have an AMD 762 or VIA K8T800 chipset, write
10697 * reordering to the mailbox registers done by the host
10698 * controller can cause major troubles. We read back from
10699 * every mailbox register write to force the writes to be
10700 * posted to the chip in order.
10701 */
10702 if (pci_dev_present(write_reorder_chipsets) &&
10703 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
10704 tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER;
10705
Linus Torvalds1da177e2005-04-16 15:20:36 -070010706 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10707 tp->pci_lat_timer < 64) {
10708 tp->pci_lat_timer = 64;
10709
10710 cacheline_sz_reg = ((tp->pci_cacheline_sz & 0xff) << 0);
10711 cacheline_sz_reg |= ((tp->pci_lat_timer & 0xff) << 8);
10712 cacheline_sz_reg |= ((tp->pci_hdr_type & 0xff) << 16);
10713 cacheline_sz_reg |= ((tp->pci_bist & 0xff) << 24);
10714
10715 pci_write_config_dword(tp->pdev, TG3PCI_CACHELINESZ,
10716 cacheline_sz_reg);
10717 }
10718
10719 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10720 &pci_state_reg);
10721
10722 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) {
10723 tp->tg3_flags |= TG3_FLAG_PCIX_MODE;
10724
10725 /* If this is a 5700 BX chipset, and we are in PCI-X
10726 * mode, enable register write workaround.
10727 *
10728 * The workaround is to use indirect register accesses
10729 * for all chip writes not to mailbox registers.
10730 */
10731 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) {
10732 u32 pm_reg;
10733 u16 pci_cmd;
10734
10735 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10736
10737 /* The chip can have it's power management PCI config
10738 * space registers clobbered due to this bug.
10739 * So explicitly force the chip into D0 here.
10740 */
10741 pci_read_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10742 &pm_reg);
10743 pm_reg &= ~PCI_PM_CTRL_STATE_MASK;
10744 pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */;
10745 pci_write_config_dword(tp->pdev, TG3PCI_PM_CTRL_STAT,
10746 pm_reg);
10747
10748 /* Also, force SERR#/PERR# in PCI command. */
10749 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10750 pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
10751 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10752 }
10753 }
10754
Michael Chan087fe252005-08-09 20:17:41 -070010755 /* 5700 BX chips need to have their TX producer index mailboxes
10756 * written twice to workaround a bug.
10757 */
10758 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX)
10759 tp->tg3_flags |= TG3_FLAG_TXD_MBOX_HWBUG;
10760
Linus Torvalds1da177e2005-04-16 15:20:36 -070010761 if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0)
10762 tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED;
10763 if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0)
10764 tp->tg3_flags |= TG3_FLAG_PCI_32BIT;
10765
10766 /* Chip-specific fixup from Broadcom driver */
10767 if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) &&
10768 (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) {
10769 pci_state_reg |= PCISTATE_RETRY_SAME_DMA;
10770 pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg);
10771 }
10772
Michael Chan1ee582d2005-08-09 20:16:46 -070010773 /* Default fast path register access methods */
Michael Chan20094932005-08-09 20:16:32 -070010774 tp->read32 = tg3_read32;
Michael Chan1ee582d2005-08-09 20:16:46 -070010775 tp->write32 = tg3_write32;
Michael Chan09ee9292005-08-09 20:17:00 -070010776 tp->read32_mbox = tg3_read32;
Michael Chan20094932005-08-09 20:16:32 -070010777 tp->write32_mbox = tg3_write32;
Michael Chan1ee582d2005-08-09 20:16:46 -070010778 tp->write32_tx_mbox = tg3_write32;
10779 tp->write32_rx_mbox = tg3_write32;
10780
10781 /* Various workaround register access methods */
10782 if (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG)
10783 tp->write32 = tg3_write_indirect_reg32;
Matt Carlson98efd8a2007-05-05 12:47:25 -070010784 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
10785 ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
10786 tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) {
10787 /*
10788 * Back to back register writes can cause problems on these
10789 * chips, the workaround is to read back all reg writes
10790 * except those to mailbox regs.
10791 *
10792 * See tg3_write_indirect_reg32().
10793 */
Michael Chan1ee582d2005-08-09 20:16:46 -070010794 tp->write32 = tg3_write_flush_reg32;
Matt Carlson98efd8a2007-05-05 12:47:25 -070010795 }
10796
Michael Chan1ee582d2005-08-09 20:16:46 -070010797
10798 if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
10799 (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
10800 tp->write32_tx_mbox = tg3_write32_tx_mbox;
10801 if (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)
10802 tp->write32_rx_mbox = tg3_write_flush_reg32;
10803 }
Michael Chan20094932005-08-09 20:16:32 -070010804
Michael Chan68929142005-08-09 20:17:14 -070010805 if (tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND) {
10806 tp->read32 = tg3_read_indirect_reg32;
10807 tp->write32 = tg3_write_indirect_reg32;
10808 tp->read32_mbox = tg3_read_indirect_mbox;
10809 tp->write32_mbox = tg3_write_indirect_mbox;
10810 tp->write32_tx_mbox = tg3_write_indirect_mbox;
10811 tp->write32_rx_mbox = tg3_write_indirect_mbox;
10812
10813 iounmap(tp->regs);
Peter Hagervall22abe312005-09-16 17:01:03 -070010814 tp->regs = NULL;
Michael Chan68929142005-08-09 20:17:14 -070010815
10816 pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd);
10817 pci_cmd &= ~PCI_COMMAND_MEMORY;
10818 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
10819 }
Michael Chanb5d37722006-09-27 16:06:21 -070010820 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
10821 tp->read32_mbox = tg3_read32_mbox_5906;
10822 tp->write32_mbox = tg3_write32_mbox_5906;
10823 tp->write32_tx_mbox = tg3_write32_mbox_5906;
10824 tp->write32_rx_mbox = tg3_write32_mbox_5906;
10825 }
Michael Chan68929142005-08-09 20:17:14 -070010826
Michael Chanbbadf502006-04-06 21:46:34 -070010827 if (tp->write32 == tg3_write_indirect_reg32 ||
10828 ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
10829 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
David S. Millerf49639e2006-06-09 11:58:36 -070010830 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
Michael Chanbbadf502006-04-06 21:46:34 -070010831 tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
10832
Michael Chan7d0c41e2005-04-21 17:06:20 -070010833 /* Get eeprom hw config before calling tg3_set_power_state().
Michael Chan9d26e212006-12-07 00:21:14 -080010834 * In particular, the TG3_FLG2_IS_NIC flag must be
Michael Chan7d0c41e2005-04-21 17:06:20 -070010835 * determined before calling tg3_set_power_state() so that
10836 * we know whether or not to switch out of Vaux power.
10837 * When the flag is set, it means that GPIO1 is used for eeprom
10838 * write protect and also implies that it is a LOM where GPIOs
10839 * are not used to switch power.
Jeff Garzik6aa20a22006-09-13 13:24:59 -040010840 */
Michael Chan7d0c41e2005-04-21 17:06:20 -070010841 tg3_get_eeprom_hw_cfg(tp);
10842
Michael Chan314fba32005-04-21 17:07:04 -070010843 /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
10844 * GPIO1 driven high will bring 5700's external PHY out of reset.
10845 * It is also used as eeprom write protect on LOMs.
10846 */
10847 tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM;
10848 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10849 (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
10850 tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
10851 GRC_LCLCTRL_GPIO_OUTPUT1);
Michael Chan3e7d83b2005-04-21 17:10:36 -070010852 /* Unused GPIO3 must be driven as output on 5752 because there
10853 * are no pull-up resistors on unused GPIO pins.
10854 */
10855 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
10856 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
Michael Chan314fba32005-04-21 17:07:04 -070010857
Michael Chanaf36e6b2006-03-23 01:28:06 -080010858 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
10859 tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL;
10860
Linus Torvalds1da177e2005-04-16 15:20:36 -070010861 /* Force the chip into D0. */
Michael Chanbc1c7562006-03-20 17:48:03 -080010862 err = tg3_set_power_state(tp, PCI_D0);
Linus Torvalds1da177e2005-04-16 15:20:36 -070010863 if (err) {
10864 printk(KERN_ERR PFX "(%s) transition to D0 failed\n",
10865 pci_name(tp->pdev));
10866 return err;
10867 }
10868
10869 /* 5700 B0 chips do not support checksumming correctly due
10870 * to hardware bugs.
10871 */
10872 if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
10873 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
10874
Linus Torvalds1da177e2005-04-16 15:20:36 -070010875 /* Derive initial jumbo mode from MTU assigned in
10876 * ether_setup() via the alloc_etherdev() call
10877 */
Michael Chan0f893dc2005-07-25 12:30:38 -070010878 if (tp->dev->mtu > ETH_DATA_LEN &&
Michael Chana4e2b342005-10-26 15:46:52 -070010879 !(tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
Michael Chan0f893dc2005-07-25 12:30:38 -070010880 tp->tg3_flags |= TG3_FLAG_JUMBO_RING_ENABLE;
Linus Torvalds1da177e2005-04-16 15:20:36 -070010881
10882 /* Determine WakeOnLan speed to use. */
10883 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
10884 tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 ||
10885 tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 ||
10886 tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) {
10887 tp->tg3_flags &= ~(TG3_FLAG_WOL_SPEED_100MB);
10888 } else {
10889 tp->tg3_flags |= TG3_FLAG_WOL_SPEED_100MB;
10890 }
10891
10892 /* A few boards don't want Ethernet@WireSpeed phy feature */
10893 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) ||
10894 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) &&
10895 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) &&
Michael Chan747e8f82005-07-25 12:33:22 -070010896 (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) ||
Michael Chanb5d37722006-09-27 16:06:21 -070010897 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) ||
Michael Chan747e8f82005-07-25 12:33:22 -070010898 (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES))
Linus Torvalds1da177e2005-04-16 15:20:36 -070010899 tp->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED;
10900
10901 if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX ||
10902 GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX)
10903 tp->tg3_flags2 |= TG3_FLG2_PHY_ADC_BUG;
10904 if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0)
10905 tp->tg3_flags2 |= TG3_FLG2_PHY_5704_A0_BUG;
10906
Michael Chanc424cb22006-04-29 18:56:34 -070010907 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
10908 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
Michael Chanc1d2a192007-01-08 19:57:20 -080010909 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) {
Michael Chand4011ad2007-02-13 12:17:25 -080010910 if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
10911 tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
10912 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
Michael Chanc1d2a192007-01-08 19:57:20 -080010913 if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M)
10914 tp->tg3_flags2 |= TG3_FLG2_PHY_ADJUST_TRIM;
10915 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
Michael Chanc424cb22006-04-29 18:56:34 -070010916 tp->tg3_flags2 |= TG3_FLG2_PHY_BER_BUG;
10917 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070010918
Linus Torvalds1da177e2005-04-16 15:20:36 -070010919 tp->coalesce_mode = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -070010920 if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX &&
10921 GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX)
10922 tp->coalesce_mode |= HOSTCC_MODE_32BYTE;
10923
10924 /* Initialize MAC MI mode, polling disabled. */
10925 tw32_f(MAC_MI_MODE, tp->mi_mode);
10926 udelay(80);
10927
10928 /* Initialize data/descriptor byte/word swapping. */
10929 val = tr32(GRC_MODE);
10930 val &= GRC_MODE_HOST_STACKUP;
10931 tw32(GRC_MODE, val | tp->grc_mode);
10932
10933 tg3_switch_clocks(tp);
10934
10935 /* Clear this out for sanity. */
10936 tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
10937
10938 pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE,
10939 &pci_state_reg);
10940 if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 &&
10941 (tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) == 0) {
10942 u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl);
10943
10944 if (chiprevid == CHIPREV_ID_5701_A0 ||
10945 chiprevid == CHIPREV_ID_5701_B0 ||
10946 chiprevid == CHIPREV_ID_5701_B2 ||
10947 chiprevid == CHIPREV_ID_5701_B5) {
10948 void __iomem *sram_base;
10949
10950 /* Write some dummy words into the SRAM status block
10951 * area, see if it reads back correctly. If the return
10952 * value is bad, force enable the PCIX workaround.
10953 */
10954 sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK;
10955
10956 writel(0x00000000, sram_base);
10957 writel(0x00000000, sram_base + 4);
10958 writel(0xffffffff, sram_base + 4);
10959 if (readl(sram_base) != 0x00000000)
10960 tp->tg3_flags |= TG3_FLAG_PCIX_TARGET_HWBUG;
10961 }
10962 }
10963
10964 udelay(50);
10965 tg3_nvram_init(tp);
10966
10967 grc_misc_cfg = tr32(GRC_MISC_CFG);
10968 grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK;
10969
Linus Torvalds1da177e2005-04-16 15:20:36 -070010970 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10971 (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 ||
10972 grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M))
10973 tp->tg3_flags2 |= TG3_FLG2_IS_5788;
10974
David S. Millerfac9b832005-05-18 22:46:34 -070010975 if (!(tp->tg3_flags2 & TG3_FLG2_IS_5788) &&
10976 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700))
10977 tp->tg3_flags |= TG3_FLAG_TAGGED_STATUS;
10978 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS) {
10979 tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD |
10980 HOSTCC_MODE_CLRTICK_TXBD);
10981
10982 tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS;
10983 pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL,
10984 tp->misc_host_ctrl);
10985 }
10986
Linus Torvalds1da177e2005-04-16 15:20:36 -070010987 /* these are limited to 10/100 only */
10988 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 &&
10989 (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) ||
10990 (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 &&
10991 tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10992 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 ||
10993 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 ||
10994 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) ||
10995 (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
10996 (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F ||
Michael Chan676917d2006-12-07 00:20:22 -080010997 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F ||
10998 tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) ||
Michael Chanb5d37722006-09-27 16:06:21 -070010999 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
Linus Torvalds1da177e2005-04-16 15:20:36 -070011000 tp->tg3_flags |= TG3_FLAG_10_100_ONLY;
11001
11002 err = tg3_phy_probe(tp);
11003 if (err) {
11004 printk(KERN_ERR PFX "(%s) phy probe failed, err %d\n",
11005 pci_name(tp->pdev), err);
11006 /* ... but do not return immediately ... */
11007 }
11008
11009 tg3_read_partno(tp);
Michael Chanc4e65752006-03-20 22:29:32 -080011010 tg3_read_fw_ver(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -070011011
11012 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
11013 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
11014 } else {
11015 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
11016 tp->tg3_flags |= TG3_FLAG_USE_MI_INTERRUPT;
11017 else
11018 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
11019 }
11020
11021 /* 5700 {AX,BX} chips have a broken status block link
11022 * change bit implementation, so we must use the
11023 * status register in those cases.
11024 */
11025 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700)
11026 tp->tg3_flags |= TG3_FLAG_USE_LINKCHG_REG;
11027 else
11028 tp->tg3_flags &= ~TG3_FLAG_USE_LINKCHG_REG;
11029
11030 /* The led_ctrl is set during tg3_phy_probe, here we might
11031 * have to force the link status polling mechanism based
11032 * upon subsystem IDs.
11033 */
11034 if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
Michael Chan007a880d2007-05-31 14:49:51 -070011035 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
Linus Torvalds1da177e2005-04-16 15:20:36 -070011036 !(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
11037 tp->tg3_flags |= (TG3_FLAG_USE_MI_INTERRUPT |
11038 TG3_FLAG_USE_LINKCHG_REG);
11039 }
11040
11041 /* For all SERDES we poll the MAC status register. */
11042 if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)
11043 tp->tg3_flags |= TG3_FLAG_POLL_SERDES;
11044 else
11045 tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
11046
Michael Chan5a6f3072006-03-20 22:28:05 -080011047 /* All chips before 5787 can get confused if TX buffers
Linus Torvalds1da177e2005-04-16 15:20:36 -070011048 * straddle the 4GB address boundary in some cases.
11049 */
Michael Chanaf36e6b2006-03-23 01:28:06 -080011050 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
Michael Chanb5d37722006-09-27 16:06:21 -070011051 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
11052 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
Michael Chan5a6f3072006-03-20 22:28:05 -080011053 tp->dev->hard_start_xmit = tg3_start_xmit;
11054 else
11055 tp->dev->hard_start_xmit = tg3_start_xmit_dma_bug;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011056
11057 tp->rx_offset = 2;
11058 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
11059 (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0)
11060 tp->rx_offset = 0;
11061
Michael Chanf92905d2006-06-29 20:14:29 -070011062 tp->rx_std_max_post = TG3_RX_RING_SIZE;
11063
11064 /* Increment the rx prod index on the rx std ring by at most
11065 * 8 for these chips to workaround hw errata.
11066 */
11067 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 ||
11068 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
11069 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
11070 tp->rx_std_max_post = 8;
11071
Linus Torvalds1da177e2005-04-16 15:20:36 -070011072 /* By default, disable wake-on-lan. User can change this
11073 * using ETHTOOL_SWOL.
11074 */
11075 tp->tg3_flags &= ~TG3_FLAG_WOL_ENABLE;
11076
Matt Carlson8ed5d972007-05-07 00:25:49 -070011077 if (tp->tg3_flags & TG3_FLAG_ASPM_WORKAROUND)
11078 tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) &
11079 PCIE_PWR_MGMT_L1_THRESH_MSK;
11080
Linus Torvalds1da177e2005-04-16 15:20:36 -070011081 return err;
11082}
11083
David S. Miller49b6e95f2007-03-29 01:38:42 -070011084#ifdef CONFIG_SPARC
Linus Torvalds1da177e2005-04-16 15:20:36 -070011085static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp)
11086{
11087 struct net_device *dev = tp->dev;
11088 struct pci_dev *pdev = tp->pdev;
David S. Miller49b6e95f2007-03-29 01:38:42 -070011089 struct device_node *dp = pci_device_to_OF_node(pdev);
David S. Miller374d4ca2007-03-29 01:57:57 -070011090 const unsigned char *addr;
David S. Miller49b6e95f2007-03-29 01:38:42 -070011091 int len;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011092
David S. Miller49b6e95f2007-03-29 01:38:42 -070011093 addr = of_get_property(dp, "local-mac-address", &len);
11094 if (addr && len == 6) {
11095 memcpy(dev->dev_addr, addr, 6);
11096 memcpy(dev->perm_addr, dev->dev_addr, 6);
11097 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011098 }
11099 return -ENODEV;
11100}
11101
11102static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp)
11103{
11104 struct net_device *dev = tp->dev;
11105
11106 memcpy(dev->dev_addr, idprom->id_ethaddr, 6);
John W. Linville2ff43692005-09-12 14:44:20 -070011107 memcpy(dev->perm_addr, idprom->id_ethaddr, 6);
Linus Torvalds1da177e2005-04-16 15:20:36 -070011108 return 0;
11109}
11110#endif
11111
11112static int __devinit tg3_get_device_address(struct tg3 *tp)
11113{
11114 struct net_device *dev = tp->dev;
11115 u32 hi, lo, mac_offset;
Michael Chan008652b2006-03-27 23:14:53 -080011116 int addr_ok = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011117
David S. Miller49b6e95f2007-03-29 01:38:42 -070011118#ifdef CONFIG_SPARC
Linus Torvalds1da177e2005-04-16 15:20:36 -070011119 if (!tg3_get_macaddr_sparc(tp))
11120 return 0;
11121#endif
11122
11123 mac_offset = 0x7c;
David S. Millerf49639e2006-06-09 11:58:36 -070011124 if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
Michael Chana4e2b342005-10-26 15:46:52 -070011125 (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -070011126 if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID)
11127 mac_offset = 0xcc;
11128 if (tg3_nvram_lock(tp))
11129 tw32_f(NVRAM_CMD, NVRAM_CMD_RESET);
11130 else
11131 tg3_nvram_unlock(tp);
11132 }
Michael Chanb5d37722006-09-27 16:06:21 -070011133 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
11134 mac_offset = 0x10;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011135
11136 /* First try to get it from MAC address mailbox. */
11137 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi);
11138 if ((hi >> 16) == 0x484b) {
11139 dev->dev_addr[0] = (hi >> 8) & 0xff;
11140 dev->dev_addr[1] = (hi >> 0) & 0xff;
11141
11142 tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo);
11143 dev->dev_addr[2] = (lo >> 24) & 0xff;
11144 dev->dev_addr[3] = (lo >> 16) & 0xff;
11145 dev->dev_addr[4] = (lo >> 8) & 0xff;
11146 dev->dev_addr[5] = (lo >> 0) & 0xff;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011147
Michael Chan008652b2006-03-27 23:14:53 -080011148 /* Some old bootcode may report a 0 MAC address in SRAM */
11149 addr_ok = is_valid_ether_addr(&dev->dev_addr[0]);
11150 }
11151 if (!addr_ok) {
11152 /* Next, try NVRAM. */
David S. Millerf49639e2006-06-09 11:58:36 -070011153 if (!tg3_nvram_read(tp, mac_offset + 0, &hi) &&
Michael Chan008652b2006-03-27 23:14:53 -080011154 !tg3_nvram_read(tp, mac_offset + 4, &lo)) {
11155 dev->dev_addr[0] = ((hi >> 16) & 0xff);
11156 dev->dev_addr[1] = ((hi >> 24) & 0xff);
11157 dev->dev_addr[2] = ((lo >> 0) & 0xff);
11158 dev->dev_addr[3] = ((lo >> 8) & 0xff);
11159 dev->dev_addr[4] = ((lo >> 16) & 0xff);
11160 dev->dev_addr[5] = ((lo >> 24) & 0xff);
11161 }
11162 /* Finally just fetch it out of the MAC control regs. */
11163 else {
11164 hi = tr32(MAC_ADDR_0_HIGH);
11165 lo = tr32(MAC_ADDR_0_LOW);
11166
11167 dev->dev_addr[5] = lo & 0xff;
11168 dev->dev_addr[4] = (lo >> 8) & 0xff;
11169 dev->dev_addr[3] = (lo >> 16) & 0xff;
11170 dev->dev_addr[2] = (lo >> 24) & 0xff;
11171 dev->dev_addr[1] = hi & 0xff;
11172 dev->dev_addr[0] = (hi >> 8) & 0xff;
11173 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070011174 }
11175
11176 if (!is_valid_ether_addr(&dev->dev_addr[0])) {
11177#ifdef CONFIG_SPARC64
11178 if (!tg3_get_default_macaddr_sparc(tp))
11179 return 0;
11180#endif
11181 return -EINVAL;
11182 }
John W. Linville2ff43692005-09-12 14:44:20 -070011183 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -070011184 return 0;
11185}
11186
David S. Miller59e6b432005-05-18 22:50:10 -070011187#define BOUNDARY_SINGLE_CACHELINE 1
11188#define BOUNDARY_MULTI_CACHELINE 2
11189
11190static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
11191{
11192 int cacheline_size;
11193 u8 byte;
11194 int goal;
11195
11196 pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte);
11197 if (byte == 0)
11198 cacheline_size = 1024;
11199 else
11200 cacheline_size = (int) byte * 4;
11201
11202 /* On 5703 and later chips, the boundary bits have no
11203 * effect.
11204 */
11205 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11206 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
11207 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
11208 goto out;
11209
11210#if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
11211 goal = BOUNDARY_MULTI_CACHELINE;
11212#else
11213#if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA)
11214 goal = BOUNDARY_SINGLE_CACHELINE;
11215#else
11216 goal = 0;
11217#endif
11218#endif
11219
11220 if (!goal)
11221 goto out;
11222
11223 /* PCI controllers on most RISC systems tend to disconnect
11224 * when a device tries to burst across a cache-line boundary.
11225 * Therefore, letting tg3 do so just wastes PCI bandwidth.
11226 *
11227 * Unfortunately, for PCI-E there are only limited
11228 * write-side controls for this, and thus for reads
11229 * we will still get the disconnects. We'll also waste
11230 * these PCI cycles for both read and write for chips
11231 * other than 5700 and 5701 which do not implement the
11232 * boundary bits.
11233 */
11234 if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
11235 !(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
11236 switch (cacheline_size) {
11237 case 16:
11238 case 32:
11239 case 64:
11240 case 128:
11241 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11242 val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX |
11243 DMA_RWCTRL_WRITE_BNDRY_128_PCIX);
11244 } else {
11245 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11246 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11247 }
11248 break;
11249
11250 case 256:
11251 val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX |
11252 DMA_RWCTRL_WRITE_BNDRY_256_PCIX);
11253 break;
11254
11255 default:
11256 val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX |
11257 DMA_RWCTRL_WRITE_BNDRY_384_PCIX);
11258 break;
11259 };
11260 } else if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11261 switch (cacheline_size) {
11262 case 16:
11263 case 32:
11264 case 64:
11265 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11266 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11267 val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE;
11268 break;
11269 }
11270 /* fallthrough */
11271 case 128:
11272 default:
11273 val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE;
11274 val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE;
11275 break;
11276 };
11277 } else {
11278 switch (cacheline_size) {
11279 case 16:
11280 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11281 val |= (DMA_RWCTRL_READ_BNDRY_16 |
11282 DMA_RWCTRL_WRITE_BNDRY_16);
11283 break;
11284 }
11285 /* fallthrough */
11286 case 32:
11287 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11288 val |= (DMA_RWCTRL_READ_BNDRY_32 |
11289 DMA_RWCTRL_WRITE_BNDRY_32);
11290 break;
11291 }
11292 /* fallthrough */
11293 case 64:
11294 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11295 val |= (DMA_RWCTRL_READ_BNDRY_64 |
11296 DMA_RWCTRL_WRITE_BNDRY_64);
11297 break;
11298 }
11299 /* fallthrough */
11300 case 128:
11301 if (goal == BOUNDARY_SINGLE_CACHELINE) {
11302 val |= (DMA_RWCTRL_READ_BNDRY_128 |
11303 DMA_RWCTRL_WRITE_BNDRY_128);
11304 break;
11305 }
11306 /* fallthrough */
11307 case 256:
11308 val |= (DMA_RWCTRL_READ_BNDRY_256 |
11309 DMA_RWCTRL_WRITE_BNDRY_256);
11310 break;
11311 case 512:
11312 val |= (DMA_RWCTRL_READ_BNDRY_512 |
11313 DMA_RWCTRL_WRITE_BNDRY_512);
11314 break;
11315 case 1024:
11316 default:
11317 val |= (DMA_RWCTRL_READ_BNDRY_1024 |
11318 DMA_RWCTRL_WRITE_BNDRY_1024);
11319 break;
11320 };
11321 }
11322
11323out:
11324 return val;
11325}
11326
Linus Torvalds1da177e2005-04-16 15:20:36 -070011327static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device)
11328{
11329 struct tg3_internal_buffer_desc test_desc;
11330 u32 sram_dma_descs;
11331 int i, ret;
11332
11333 sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE;
11334
11335 tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0);
11336 tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0);
11337 tw32(RDMAC_STATUS, 0);
11338 tw32(WDMAC_STATUS, 0);
11339
11340 tw32(BUFMGR_MODE, 0);
11341 tw32(FTQ_RESET, 0);
11342
11343 test_desc.addr_hi = ((u64) buf_dma) >> 32;
11344 test_desc.addr_lo = buf_dma & 0xffffffff;
11345 test_desc.nic_mbuf = 0x00002100;
11346 test_desc.len = size;
11347
11348 /*
11349 * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz
11350 * the *second* time the tg3 driver was getting loaded after an
11351 * initial scan.
11352 *
11353 * Broadcom tells me:
11354 * ...the DMA engine is connected to the GRC block and a DMA
11355 * reset may affect the GRC block in some unpredictable way...
11356 * The behavior of resets to individual blocks has not been tested.
11357 *
11358 * Broadcom noted the GRC reset will also reset all sub-components.
11359 */
11360 if (to_device) {
11361 test_desc.cqid_sqid = (13 << 8) | 2;
11362
11363 tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE);
11364 udelay(40);
11365 } else {
11366 test_desc.cqid_sqid = (16 << 8) | 7;
11367
11368 tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE);
11369 udelay(40);
11370 }
11371 test_desc.flags = 0x00000005;
11372
11373 for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) {
11374 u32 val;
11375
11376 val = *(((u32 *)&test_desc) + i);
11377 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR,
11378 sram_dma_descs + (i * sizeof(u32)));
11379 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
11380 }
11381 pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
11382
11383 if (to_device) {
11384 tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs);
11385 } else {
11386 tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs);
11387 }
11388
11389 ret = -ENODEV;
11390 for (i = 0; i < 40; i++) {
11391 u32 val;
11392
11393 if (to_device)
11394 val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ);
11395 else
11396 val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ);
11397 if ((val & 0xffff) == sram_dma_descs) {
11398 ret = 0;
11399 break;
11400 }
11401
11402 udelay(100);
11403 }
11404
11405 return ret;
11406}
11407
David S. Millerded73402005-05-23 13:59:47 -070011408#define TEST_BUFFER_SIZE 0x2000
Linus Torvalds1da177e2005-04-16 15:20:36 -070011409
11410static int __devinit tg3_test_dma(struct tg3 *tp)
11411{
11412 dma_addr_t buf_dma;
David S. Miller59e6b432005-05-18 22:50:10 -070011413 u32 *buf, saved_dma_rwctrl;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011414 int ret;
11415
11416 buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
11417 if (!buf) {
11418 ret = -ENOMEM;
11419 goto out_nofree;
11420 }
11421
11422 tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) |
11423 (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT));
11424
David S. Miller59e6b432005-05-18 22:50:10 -070011425 tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
Linus Torvalds1da177e2005-04-16 15:20:36 -070011426
11427 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11428 /* DMA read watermark not used on PCIE */
11429 tp->dma_rwctrl |= 0x00180000;
11430 } else if (!(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
Michael Chan85e94ce2005-04-21 17:05:28 -070011431 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ||
11432 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)
Linus Torvalds1da177e2005-04-16 15:20:36 -070011433 tp->dma_rwctrl |= 0x003f0000;
11434 else
11435 tp->dma_rwctrl |= 0x003f000f;
11436 } else {
11437 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11438 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
11439 u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
Michael Chan49afdeb2007-02-13 12:17:03 -080011440 u32 read_water = 0x7;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011441
Michael Chan4a29cc22006-03-19 13:21:12 -080011442 /* If the 5704 is behind the EPB bridge, we can
11443 * do the less restrictive ONE_DMA workaround for
11444 * better performance.
11445 */
11446 if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
11447 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11448 tp->dma_rwctrl |= 0x8000;
11449 else if (ccval == 0x6 || ccval == 0x7)
Linus Torvalds1da177e2005-04-16 15:20:36 -070011450 tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
11451
Michael Chan49afdeb2007-02-13 12:17:03 -080011452 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703)
11453 read_water = 4;
David S. Miller59e6b432005-05-18 22:50:10 -070011454 /* Set bit 23 to enable PCIX hw bug fix */
Michael Chan49afdeb2007-02-13 12:17:03 -080011455 tp->dma_rwctrl |=
11456 (read_water << DMA_RWCTRL_READ_WATER_SHIFT) |
11457 (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) |
11458 (1 << 23);
Michael Chan4cf78e42005-07-25 12:29:19 -070011459 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) {
11460 /* 5780 always in PCIX mode */
11461 tp->dma_rwctrl |= 0x00144000;
Michael Chana4e2b342005-10-26 15:46:52 -070011462 } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
11463 /* 5714 always in PCIX mode */
11464 tp->dma_rwctrl |= 0x00148000;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011465 } else {
11466 tp->dma_rwctrl |= 0x001b000f;
11467 }
11468 }
11469
11470 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
11471 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
11472 tp->dma_rwctrl &= 0xfffffff0;
11473
11474 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11475 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
11476 /* Remove this if it causes problems for some boards. */
11477 tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT;
11478
11479 /* On 5700/5701 chips, we need to set this bit.
11480 * Otherwise the chip will issue cacheline transactions
11481 * to streamable DMA memory with not all the byte
11482 * enables turned on. This is an error on several
11483 * RISC PCI controllers, in particular sparc64.
11484 *
11485 * On 5703/5704 chips, this bit has been reassigned
11486 * a different meaning. In particular, it is used
11487 * on those chips to enable a PCI-X workaround.
11488 */
11489 tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE;
11490 }
11491
11492 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11493
11494#if 0
11495 /* Unneeded, already done by tg3_get_invariants. */
11496 tg3_switch_clocks(tp);
11497#endif
11498
11499 ret = 0;
11500 if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
11501 GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
11502 goto out;
11503
David S. Miller59e6b432005-05-18 22:50:10 -070011504 /* It is best to perform DMA test with maximum write burst size
11505 * to expose the 5700/5701 write DMA bug.
11506 */
11507 saved_dma_rwctrl = tp->dma_rwctrl;
11508 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11509 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11510
Linus Torvalds1da177e2005-04-16 15:20:36 -070011511 while (1) {
11512 u32 *p = buf, i;
11513
11514 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++)
11515 p[i] = i;
11516
11517 /* Send the buffer to the chip. */
11518 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1);
11519 if (ret) {
11520 printk(KERN_ERR "tg3_test_dma() Write the buffer failed %d\n", ret);
11521 break;
11522 }
11523
11524#if 0
11525 /* validate data reached card RAM correctly. */
11526 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11527 u32 val;
11528 tg3_read_mem(tp, 0x2100 + (i*4), &val);
11529 if (le32_to_cpu(val) != p[i]) {
11530 printk(KERN_ERR " tg3_test_dma() Card buffer corrupted on write! (%d != %d)\n", val, i);
11531 /* ret = -ENODEV here? */
11532 }
11533 p[i] = 0;
11534 }
11535#endif
11536 /* Now read it back. */
11537 ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0);
11538 if (ret) {
11539 printk(KERN_ERR "tg3_test_dma() Read the buffer failed %d\n", ret);
11540
11541 break;
11542 }
11543
11544 /* Verify it. */
11545 for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) {
11546 if (p[i] == i)
11547 continue;
11548
David S. Miller59e6b432005-05-18 22:50:10 -070011549 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11550 DMA_RWCTRL_WRITE_BNDRY_16) {
11551 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011552 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11553 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11554 break;
11555 } else {
11556 printk(KERN_ERR "tg3_test_dma() buffer corrupted on read back! (%d != %d)\n", p[i], i);
11557 ret = -ENODEV;
11558 goto out;
11559 }
11560 }
11561
11562 if (i == (TEST_BUFFER_SIZE / sizeof(u32))) {
11563 /* Success. */
11564 ret = 0;
11565 break;
11566 }
11567 }
David S. Miller59e6b432005-05-18 22:50:10 -070011568 if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) !=
11569 DMA_RWCTRL_WRITE_BNDRY_16) {
Michael Chan6d1cfba2005-06-08 14:13:14 -070011570 static struct pci_device_id dma_wait_state_chipsets[] = {
11571 { PCI_DEVICE(PCI_VENDOR_ID_APPLE,
11572 PCI_DEVICE_ID_APPLE_UNI_N_PCI15) },
11573 { },
11574 };
11575
David S. Miller59e6b432005-05-18 22:50:10 -070011576 /* DMA test passed without adjusting DMA boundary,
Michael Chan6d1cfba2005-06-08 14:13:14 -070011577 * now look for chipsets that are known to expose the
11578 * DMA bug without failing the test.
David S. Miller59e6b432005-05-18 22:50:10 -070011579 */
Michael Chan6d1cfba2005-06-08 14:13:14 -070011580 if (pci_dev_present(dma_wait_state_chipsets)) {
11581 tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK;
11582 tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16;
11583 }
11584 else
11585 /* Safe to use the calculated DMA boundary. */
11586 tp->dma_rwctrl = saved_dma_rwctrl;
11587
David S. Miller59e6b432005-05-18 22:50:10 -070011588 tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl);
11589 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070011590
11591out:
11592 pci_free_consistent(tp->pdev, TEST_BUFFER_SIZE, buf, buf_dma);
11593out_nofree:
11594 return ret;
11595}
11596
11597static void __devinit tg3_init_link_config(struct tg3 *tp)
11598{
11599 tp->link_config.advertising =
11600 (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
11601 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
11602 ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full |
11603 ADVERTISED_Autoneg | ADVERTISED_MII);
11604 tp->link_config.speed = SPEED_INVALID;
11605 tp->link_config.duplex = DUPLEX_INVALID;
11606 tp->link_config.autoneg = AUTONEG_ENABLE;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011607 tp->link_config.active_speed = SPEED_INVALID;
11608 tp->link_config.active_duplex = DUPLEX_INVALID;
11609 tp->link_config.phy_is_low_power = 0;
11610 tp->link_config.orig_speed = SPEED_INVALID;
11611 tp->link_config.orig_duplex = DUPLEX_INVALID;
11612 tp->link_config.orig_autoneg = AUTONEG_INVALID;
11613}
11614
11615static void __devinit tg3_init_bufmgr_config(struct tg3 *tp)
11616{
Michael Chanfdfec172005-07-25 12:31:48 -070011617 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11618 tp->bufmgr_config.mbuf_read_dma_low_water =
11619 DEFAULT_MB_RDMA_LOW_WATER_5705;
11620 tp->bufmgr_config.mbuf_mac_rx_low_water =
11621 DEFAULT_MB_MACRX_LOW_WATER_5705;
11622 tp->bufmgr_config.mbuf_high_water =
11623 DEFAULT_MB_HIGH_WATER_5705;
Michael Chanb5d37722006-09-27 16:06:21 -070011624 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
11625 tp->bufmgr_config.mbuf_mac_rx_low_water =
11626 DEFAULT_MB_MACRX_LOW_WATER_5906;
11627 tp->bufmgr_config.mbuf_high_water =
11628 DEFAULT_MB_HIGH_WATER_5906;
11629 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070011630
Michael Chanfdfec172005-07-25 12:31:48 -070011631 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11632 DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780;
11633 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11634 DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780;
11635 tp->bufmgr_config.mbuf_high_water_jumbo =
11636 DEFAULT_MB_HIGH_WATER_JUMBO_5780;
11637 } else {
11638 tp->bufmgr_config.mbuf_read_dma_low_water =
11639 DEFAULT_MB_RDMA_LOW_WATER;
11640 tp->bufmgr_config.mbuf_mac_rx_low_water =
11641 DEFAULT_MB_MACRX_LOW_WATER;
11642 tp->bufmgr_config.mbuf_high_water =
11643 DEFAULT_MB_HIGH_WATER;
11644
11645 tp->bufmgr_config.mbuf_read_dma_low_water_jumbo =
11646 DEFAULT_MB_RDMA_LOW_WATER_JUMBO;
11647 tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo =
11648 DEFAULT_MB_MACRX_LOW_WATER_JUMBO;
11649 tp->bufmgr_config.mbuf_high_water_jumbo =
11650 DEFAULT_MB_HIGH_WATER_JUMBO;
11651 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070011652
11653 tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER;
11654 tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER;
11655}
11656
11657static char * __devinit tg3_phy_string(struct tg3 *tp)
11658{
11659 switch (tp->phy_id & PHY_ID_MASK) {
11660 case PHY_ID_BCM5400: return "5400";
11661 case PHY_ID_BCM5401: return "5401";
11662 case PHY_ID_BCM5411: return "5411";
11663 case PHY_ID_BCM5701: return "5701";
11664 case PHY_ID_BCM5703: return "5703";
11665 case PHY_ID_BCM5704: return "5704";
11666 case PHY_ID_BCM5705: return "5705";
11667 case PHY_ID_BCM5750: return "5750";
Michael Chan85e94ce2005-04-21 17:05:28 -070011668 case PHY_ID_BCM5752: return "5752";
Michael Chana4e2b342005-10-26 15:46:52 -070011669 case PHY_ID_BCM5714: return "5714";
Michael Chan4cf78e42005-07-25 12:29:19 -070011670 case PHY_ID_BCM5780: return "5780";
Michael Chanaf36e6b2006-03-23 01:28:06 -080011671 case PHY_ID_BCM5755: return "5755";
Michael Chand9ab5ad2006-03-20 22:27:35 -080011672 case PHY_ID_BCM5787: return "5787";
Michael Chan126a3362006-09-27 16:03:07 -070011673 case PHY_ID_BCM5756: return "5722/5756";
Michael Chanb5d37722006-09-27 16:06:21 -070011674 case PHY_ID_BCM5906: return "5906";
Linus Torvalds1da177e2005-04-16 15:20:36 -070011675 case PHY_ID_BCM8002: return "8002/serdes";
11676 case 0: return "serdes";
11677 default: return "unknown";
11678 };
11679}
11680
Michael Chanf9804dd2005-09-27 12:13:10 -070011681static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
11682{
11683 if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
11684 strcpy(str, "PCI Express");
11685 return str;
11686 } else if (tp->tg3_flags & TG3_FLAG_PCIX_MODE) {
11687 u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f;
11688
11689 strcpy(str, "PCIX:");
11690
11691 if ((clock_ctrl == 7) ||
11692 ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) ==
11693 GRC_MISC_CFG_BOARD_ID_5704CIOBE))
11694 strcat(str, "133MHz");
11695 else if (clock_ctrl == 0)
11696 strcat(str, "33MHz");
11697 else if (clock_ctrl == 2)
11698 strcat(str, "50MHz");
11699 else if (clock_ctrl == 4)
11700 strcat(str, "66MHz");
11701 else if (clock_ctrl == 6)
11702 strcat(str, "100MHz");
Michael Chanf9804dd2005-09-27 12:13:10 -070011703 } else {
11704 strcpy(str, "PCI:");
11705 if (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED)
11706 strcat(str, "66MHz");
11707 else
11708 strcat(str, "33MHz");
11709 }
11710 if (tp->tg3_flags & TG3_FLAG_PCI_32BIT)
11711 strcat(str, ":32-bit");
11712 else
11713 strcat(str, ":64-bit");
11714 return str;
11715}
11716
Michael Chan8c2dc7e2005-12-19 16:26:02 -080011717static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
Linus Torvalds1da177e2005-04-16 15:20:36 -070011718{
11719 struct pci_dev *peer;
11720 unsigned int func, devnr = tp->pdev->devfn & ~7;
11721
11722 for (func = 0; func < 8; func++) {
11723 peer = pci_get_slot(tp->pdev->bus, devnr | func);
11724 if (peer && peer != tp->pdev)
11725 break;
11726 pci_dev_put(peer);
11727 }
Michael Chan16fe9d72005-12-13 21:09:54 -080011728 /* 5704 can be configured in single-port mode, set peer to
11729 * tp->pdev in that case.
11730 */
11731 if (!peer) {
11732 peer = tp->pdev;
11733 return peer;
11734 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070011735
11736 /*
11737 * We don't need to keep the refcount elevated; there's no way
11738 * to remove one half of this device without removing the other
11739 */
11740 pci_dev_put(peer);
11741
11742 return peer;
11743}
11744
David S. Miller15f98502005-05-18 22:49:26 -070011745static void __devinit tg3_init_coal(struct tg3 *tp)
11746{
11747 struct ethtool_coalesce *ec = &tp->coal;
11748
11749 memset(ec, 0, sizeof(*ec));
11750 ec->cmd = ETHTOOL_GCOALESCE;
11751 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS;
11752 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS;
11753 ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES;
11754 ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES;
11755 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT;
11756 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT;
11757 ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT;
11758 ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT;
11759 ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS;
11760
11761 if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD |
11762 HOSTCC_MODE_CLRTICK_TXBD)) {
11763 ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS;
11764 ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS;
11765 ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS;
11766 ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS;
11767 }
Michael Chand244c892005-07-05 14:42:33 -070011768
11769 if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
11770 ec->rx_coalesce_usecs_irq = 0;
11771 ec->tx_coalesce_usecs_irq = 0;
11772 ec->stats_block_coalesce_usecs = 0;
11773 }
David S. Miller15f98502005-05-18 22:49:26 -070011774}
11775
Linus Torvalds1da177e2005-04-16 15:20:36 -070011776static int __devinit tg3_init_one(struct pci_dev *pdev,
11777 const struct pci_device_id *ent)
11778{
11779 static int tg3_version_printed = 0;
11780 unsigned long tg3reg_base, tg3reg_len;
11781 struct net_device *dev;
11782 struct tg3 *tp;
Michael Chan72f2afb2006-03-06 19:28:35 -080011783 int i, err, pm_cap;
Michael Chanf9804dd2005-09-27 12:13:10 -070011784 char str[40];
Michael Chan72f2afb2006-03-06 19:28:35 -080011785 u64 dma_mask, persist_dma_mask;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011786
11787 if (tg3_version_printed++ == 0)
11788 printk(KERN_INFO "%s", version);
11789
11790 err = pci_enable_device(pdev);
11791 if (err) {
11792 printk(KERN_ERR PFX "Cannot enable PCI device, "
11793 "aborting.\n");
11794 return err;
11795 }
11796
11797 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
11798 printk(KERN_ERR PFX "Cannot find proper PCI device "
11799 "base address, aborting.\n");
11800 err = -ENODEV;
11801 goto err_out_disable_pdev;
11802 }
11803
11804 err = pci_request_regions(pdev, DRV_MODULE_NAME);
11805 if (err) {
11806 printk(KERN_ERR PFX "Cannot obtain PCI resources, "
11807 "aborting.\n");
11808 goto err_out_disable_pdev;
11809 }
11810
11811 pci_set_master(pdev);
11812
11813 /* Find power-management capability. */
11814 pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
11815 if (pm_cap == 0) {
11816 printk(KERN_ERR PFX "Cannot find PowerManagement capability, "
11817 "aborting.\n");
11818 err = -EIO;
11819 goto err_out_free_res;
11820 }
11821
Linus Torvalds1da177e2005-04-16 15:20:36 -070011822 tg3reg_base = pci_resource_start(pdev, 0);
11823 tg3reg_len = pci_resource_len(pdev, 0);
11824
11825 dev = alloc_etherdev(sizeof(*tp));
11826 if (!dev) {
11827 printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
11828 err = -ENOMEM;
11829 goto err_out_free_res;
11830 }
11831
11832 SET_MODULE_OWNER(dev);
11833 SET_NETDEV_DEV(dev, &pdev->dev);
11834
Linus Torvalds1da177e2005-04-16 15:20:36 -070011835#if TG3_VLAN_TAG_USED
11836 dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
11837 dev->vlan_rx_register = tg3_vlan_rx_register;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011838#endif
11839
11840 tp = netdev_priv(dev);
11841 tp->pdev = pdev;
11842 tp->dev = dev;
11843 tp->pm_cap = pm_cap;
11844 tp->mac_mode = TG3_DEF_MAC_MODE;
11845 tp->rx_mode = TG3_DEF_RX_MODE;
11846 tp->tx_mode = TG3_DEF_TX_MODE;
11847 tp->mi_mode = MAC_MI_MODE_BASE;
11848 if (tg3_debug > 0)
11849 tp->msg_enable = tg3_debug;
11850 else
11851 tp->msg_enable = TG3_DEF_MSG_ENABLE;
11852
11853 /* The word/byte swap controls here control register access byte
11854 * swapping. DMA data byte swapping is controlled in the GRC_MODE
11855 * setting below.
11856 */
11857 tp->misc_host_ctrl =
11858 MISC_HOST_CTRL_MASK_PCI_INT |
11859 MISC_HOST_CTRL_WORD_SWAP |
11860 MISC_HOST_CTRL_INDIR_ACCESS |
11861 MISC_HOST_CTRL_PCISTATE_RW;
11862
11863 /* The NONFRM (non-frame) byte/word swap controls take effect
11864 * on descriptor entries, anything which isn't packet data.
11865 *
11866 * The StrongARM chips on the board (one for tx, one for rx)
11867 * are running in big-endian mode.
11868 */
11869 tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA |
11870 GRC_MODE_WSWAP_NONFRM_DATA);
11871#ifdef __BIG_ENDIAN
11872 tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA;
11873#endif
11874 spin_lock_init(&tp->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -070011875 spin_lock_init(&tp->indirect_lock);
David Howellsc4028952006-11-22 14:57:56 +000011876 INIT_WORK(&tp->reset_task, tg3_reset_task);
Linus Torvalds1da177e2005-04-16 15:20:36 -070011877
11878 tp->regs = ioremap_nocache(tg3reg_base, tg3reg_len);
11879 if (tp->regs == 0UL) {
11880 printk(KERN_ERR PFX "Cannot map device registers, "
11881 "aborting.\n");
11882 err = -ENOMEM;
11883 goto err_out_free_dev;
11884 }
11885
11886 tg3_init_link_config(tp);
11887
Linus Torvalds1da177e2005-04-16 15:20:36 -070011888 tp->rx_pending = TG3_DEF_RX_RING_PENDING;
11889 tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
11890 tp->tx_pending = TG3_DEF_TX_RING_PENDING;
11891
11892 dev->open = tg3_open;
11893 dev->stop = tg3_close;
11894 dev->get_stats = tg3_get_stats;
11895 dev->set_multicast_list = tg3_set_rx_mode;
11896 dev->set_mac_address = tg3_set_mac_addr;
11897 dev->do_ioctl = tg3_ioctl;
11898 dev->tx_timeout = tg3_tx_timeout;
Stephen Hemmingerbea33482007-10-03 16:41:36 -070011899 netif_napi_add(dev, &tp->napi, tg3_poll, 64);
Linus Torvalds1da177e2005-04-16 15:20:36 -070011900 dev->ethtool_ops = &tg3_ethtool_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011901 dev->watchdog_timeo = TG3_TX_TIMEOUT;
11902 dev->change_mtu = tg3_change_mtu;
11903 dev->irq = pdev->irq;
11904#ifdef CONFIG_NET_POLL_CONTROLLER
11905 dev->poll_controller = tg3_poll_controller;
11906#endif
11907
11908 err = tg3_get_invariants(tp);
11909 if (err) {
11910 printk(KERN_ERR PFX "Problem fetching invariants of chip, "
11911 "aborting.\n");
11912 goto err_out_iounmap;
11913 }
11914
Michael Chan4a29cc22006-03-19 13:21:12 -080011915 /* The EPB bridge inside 5714, 5715, and 5780 and any
11916 * device behind the EPB cannot support DMA addresses > 40-bit.
Michael Chan72f2afb2006-03-06 19:28:35 -080011917 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
11918 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
11919 * do DMA address check in tg3_start_xmit().
11920 */
Michael Chan4a29cc22006-03-19 13:21:12 -080011921 if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
11922 persist_dma_mask = dma_mask = DMA_32BIT_MASK;
11923 else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
Michael Chan72f2afb2006-03-06 19:28:35 -080011924 persist_dma_mask = dma_mask = DMA_40BIT_MASK;
11925#ifdef CONFIG_HIGHMEM
11926 dma_mask = DMA_64BIT_MASK;
11927#endif
Michael Chan4a29cc22006-03-19 13:21:12 -080011928 } else
Michael Chan72f2afb2006-03-06 19:28:35 -080011929 persist_dma_mask = dma_mask = DMA_64BIT_MASK;
11930
11931 /* Configure DMA attributes. */
11932 if (dma_mask > DMA_32BIT_MASK) {
11933 err = pci_set_dma_mask(pdev, dma_mask);
11934 if (!err) {
11935 dev->features |= NETIF_F_HIGHDMA;
11936 err = pci_set_consistent_dma_mask(pdev,
11937 persist_dma_mask);
11938 if (err < 0) {
11939 printk(KERN_ERR PFX "Unable to obtain 64 bit "
11940 "DMA for consistent allocations\n");
11941 goto err_out_iounmap;
11942 }
11943 }
11944 }
11945 if (err || dma_mask == DMA_32BIT_MASK) {
11946 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
11947 if (err) {
11948 printk(KERN_ERR PFX "No usable DMA configuration, "
11949 "aborting.\n");
11950 goto err_out_iounmap;
11951 }
11952 }
11953
Michael Chanfdfec172005-07-25 12:31:48 -070011954 tg3_init_bufmgr_config(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -070011955
Linus Torvalds1da177e2005-04-16 15:20:36 -070011956 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
11957 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
11958 }
11959 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
11960 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
11961 tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
Michael Chanc7835a72006-11-15 21:14:42 -080011962 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
Linus Torvalds1da177e2005-04-16 15:20:36 -070011963 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
11964 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
11965 } else {
Michael Chan7f62ad52007-02-20 23:25:40 -080011966 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
Linus Torvalds1da177e2005-04-16 15:20:36 -070011967 }
11968
Michael Chan4e3a7aa2006-03-20 17:47:44 -080011969 /* TSO is on by default on chips that support hardware TSO.
11970 * Firmware TSO on older chips gives lower performance, so it
11971 * is off by default, but can be enabled using ethtool.
11972 */
Michael Chanb0026622006-07-03 19:42:14 -070011973 if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
Linus Torvalds1da177e2005-04-16 15:20:36 -070011974 dev->features |= NETIF_F_TSO;
Michael Chanb5d37722006-09-27 16:06:21 -070011975 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
11976 (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
Michael Chanb0026622006-07-03 19:42:14 -070011977 dev->features |= NETIF_F_TSO6;
11978 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070011979
Linus Torvalds1da177e2005-04-16 15:20:36 -070011980
11981 if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
11982 !(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
11983 !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
11984 tp->tg3_flags2 |= TG3_FLG2_MAX_RXPEND_64;
11985 tp->rx_pending = 63;
11986 }
11987
Linus Torvalds1da177e2005-04-16 15:20:36 -070011988 err = tg3_get_device_address(tp);
11989 if (err) {
11990 printk(KERN_ERR PFX "Could not obtain valid ethernet address, "
11991 "aborting.\n");
11992 goto err_out_iounmap;
11993 }
11994
11995 /*
11996 * Reset chip in case UNDI or EFI driver did not shutdown
11997 * DMA self test will enable WDMAC and we'll see (spurious)
11998 * pending DMA on the PCI bus at that point.
11999 */
12000 if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) ||
12001 (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -070012002 tw32(MEMARB_MODE, MEMARB_MODE_ENABLE);
Michael Chan944d9802005-05-29 14:57:48 -070012003 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -070012004 }
12005
12006 err = tg3_test_dma(tp);
12007 if (err) {
12008 printk(KERN_ERR PFX "DMA engine test failed, aborting.\n");
12009 goto err_out_iounmap;
12010 }
12011
12012 /* Tigon3 can do ipv4 only... and some chips have buggy
12013 * checksumming.
12014 */
12015 if ((tp->tg3_flags & TG3_FLAG_BROKEN_CHECKSUMS) == 0) {
Stephen Hemmingerd212f872007-06-27 00:47:37 -070012016 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
Michael Chanaf36e6b2006-03-23 01:28:06 -080012017 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
12018 GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787)
Stephen Hemmingerd212f872007-06-27 00:47:37 -070012019 dev->features |= NETIF_F_IPV6_CSUM;
12020
Linus Torvalds1da177e2005-04-16 15:20:36 -070012021 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
12022 } else
12023 tp->tg3_flags &= ~TG3_FLAG_RX_CHECKSUMS;
12024
Linus Torvalds1da177e2005-04-16 15:20:36 -070012025 /* flow control autonegotiation is default behavior */
12026 tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
12027
David S. Miller15f98502005-05-18 22:49:26 -070012028 tg3_init_coal(tp);
12029
Michael Chanc49a1562006-12-17 17:07:29 -080012030 pci_set_drvdata(pdev, dev);
12031
Linus Torvalds1da177e2005-04-16 15:20:36 -070012032 err = register_netdev(dev);
12033 if (err) {
12034 printk(KERN_ERR PFX "Cannot register net device, "
12035 "aborting.\n");
12036 goto err_out_iounmap;
12037 }
12038
Michael Chancbb45d22006-12-07 00:24:09 -080012039 printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %s Ethernet ",
Linus Torvalds1da177e2005-04-16 15:20:36 -070012040 dev->name,
12041 tp->board_part_number,
12042 tp->pci_chip_rev_id,
12043 tg3_phy_string(tp),
Michael Chanf9804dd2005-09-27 12:13:10 -070012044 tg3_bus_string(tp, str),
Michael Chancbb45d22006-12-07 00:24:09 -080012045 ((tp->tg3_flags & TG3_FLAG_10_100_ONLY) ? "10/100Base-TX" :
12046 ((tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) ? "1000Base-SX" :
12047 "10/100/1000Base-T")));
Linus Torvalds1da177e2005-04-16 15:20:36 -070012048
12049 for (i = 0; i < 6; i++)
12050 printk("%2.2x%c", dev->dev_addr[i],
12051 i == 5 ? '\n' : ':');
12052
12053 printk(KERN_INFO "%s: RXcsums[%d] LinkChgREG[%d] "
Michael Chan1c46ae02007-03-24 20:54:37 -070012054 "MIirq[%d] ASF[%d] WireSpeed[%d] TSOcap[%d]\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -070012055 dev->name,
12056 (tp->tg3_flags & TG3_FLAG_RX_CHECKSUMS) != 0,
12057 (tp->tg3_flags & TG3_FLAG_USE_LINKCHG_REG) != 0,
12058 (tp->tg3_flags & TG3_FLAG_USE_MI_INTERRUPT) != 0,
12059 (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0,
Linus Torvalds1da177e2005-04-16 15:20:36 -070012060 (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
12061 (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
Michael Chan4a29cc22006-03-19 13:21:12 -080012062 printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
12063 dev->name, tp->dma_rwctrl,
12064 (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
12065 (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
Linus Torvalds1da177e2005-04-16 15:20:36 -070012066
12067 return 0;
12068
12069err_out_iounmap:
Michael Chan68929142005-08-09 20:17:14 -070012070 if (tp->regs) {
12071 iounmap(tp->regs);
Peter Hagervall22abe312005-09-16 17:01:03 -070012072 tp->regs = NULL;
Michael Chan68929142005-08-09 20:17:14 -070012073 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070012074
12075err_out_free_dev:
12076 free_netdev(dev);
12077
12078err_out_free_res:
12079 pci_release_regions(pdev);
12080
12081err_out_disable_pdev:
12082 pci_disable_device(pdev);
12083 pci_set_drvdata(pdev, NULL);
12084 return err;
12085}
12086
12087static void __devexit tg3_remove_one(struct pci_dev *pdev)
12088{
12089 struct net_device *dev = pci_get_drvdata(pdev);
12090
12091 if (dev) {
12092 struct tg3 *tp = netdev_priv(dev);
12093
Michael Chan7faa0062006-02-02 17:29:28 -080012094 flush_scheduled_work();
Linus Torvalds1da177e2005-04-16 15:20:36 -070012095 unregister_netdev(dev);
Michael Chan68929142005-08-09 20:17:14 -070012096 if (tp->regs) {
12097 iounmap(tp->regs);
Peter Hagervall22abe312005-09-16 17:01:03 -070012098 tp->regs = NULL;
Michael Chan68929142005-08-09 20:17:14 -070012099 }
Linus Torvalds1da177e2005-04-16 15:20:36 -070012100 free_netdev(dev);
12101 pci_release_regions(pdev);
12102 pci_disable_device(pdev);
12103 pci_set_drvdata(pdev, NULL);
12104 }
12105}
12106
12107static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
12108{
12109 struct net_device *dev = pci_get_drvdata(pdev);
12110 struct tg3 *tp = netdev_priv(dev);
12111 int err;
12112
Michael Chan3e0c95f2007-08-03 20:56:54 -070012113 /* PCI register 4 needs to be saved whether netif_running() or not.
12114 * MSI address and data need to be saved if using MSI and
12115 * netif_running().
12116 */
12117 pci_save_state(pdev);
12118
Linus Torvalds1da177e2005-04-16 15:20:36 -070012119 if (!netif_running(dev))
12120 return 0;
12121
Michael Chan7faa0062006-02-02 17:29:28 -080012122 flush_scheduled_work();
Linus Torvalds1da177e2005-04-16 15:20:36 -070012123 tg3_netif_stop(tp);
12124
12125 del_timer_sync(&tp->timer);
12126
David S. Millerf47c11e2005-06-24 20:18:35 -070012127 tg3_full_lock(tp, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -070012128 tg3_disable_ints(tp);
David S. Millerf47c11e2005-06-24 20:18:35 -070012129 tg3_full_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -070012130
12131 netif_device_detach(dev);
12132
David S. Millerf47c11e2005-06-24 20:18:35 -070012133 tg3_full_lock(tp, 0);
Michael Chan944d9802005-05-29 14:57:48 -070012134 tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
Michael Chan6a9eba12005-12-13 21:08:58 -080012135 tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
David S. Millerf47c11e2005-06-24 20:18:35 -070012136 tg3_full_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -070012137
12138 err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
12139 if (err) {
David S. Millerf47c11e2005-06-24 20:18:35 -070012140 tg3_full_lock(tp, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -070012141
Michael Chan6a9eba12005-12-13 21:08:58 -080012142 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
Michael Chanb9ec6c12006-07-25 16:37:27 -070012143 if (tg3_restart_hw(tp, 1))
12144 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -070012145
12146 tp->timer.expires = jiffies + tp->timer_offset;
12147 add_timer(&tp->timer);
12148
12149 netif_device_attach(dev);
12150 tg3_netif_start(tp);
12151
Michael Chanb9ec6c12006-07-25 16:37:27 -070012152out:
David S. Millerf47c11e2005-06-24 20:18:35 -070012153 tg3_full_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -070012154 }
12155
12156 return err;
12157}
12158
12159static int tg3_resume(struct pci_dev *pdev)
12160{
12161 struct net_device *dev = pci_get_drvdata(pdev);
12162 struct tg3 *tp = netdev_priv(dev);
12163 int err;
12164
Michael Chan3e0c95f2007-08-03 20:56:54 -070012165 pci_restore_state(tp->pdev);
12166
Linus Torvalds1da177e2005-04-16 15:20:36 -070012167 if (!netif_running(dev))
12168 return 0;
12169
Michael Chanbc1c7562006-03-20 17:48:03 -080012170 err = tg3_set_power_state(tp, PCI_D0);
Linus Torvalds1da177e2005-04-16 15:20:36 -070012171 if (err)
12172 return err;
12173
Michael Chan2fbe43f2007-09-06 12:04:29 +010012174 /* Hardware bug - MSI won't work if INTX disabled. */
12175 if ((tp->tg3_flags2 & TG3_FLG2_5780_CLASS) &&
12176 (tp->tg3_flags2 & TG3_FLG2_USING_MSI))
12177 pci_intx(tp->pdev, 1);
12178
Linus Torvalds1da177e2005-04-16 15:20:36 -070012179 netif_device_attach(dev);
12180
David S. Millerf47c11e2005-06-24 20:18:35 -070012181 tg3_full_lock(tp, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -070012182
Michael Chan6a9eba12005-12-13 21:08:58 -080012183 tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
Michael Chanb9ec6c12006-07-25 16:37:27 -070012184 err = tg3_restart_hw(tp, 1);
12185 if (err)
12186 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -070012187
12188 tp->timer.expires = jiffies + tp->timer_offset;
12189 add_timer(&tp->timer);
12190
Linus Torvalds1da177e2005-04-16 15:20:36 -070012191 tg3_netif_start(tp);
12192
Michael Chanb9ec6c12006-07-25 16:37:27 -070012193out:
David S. Millerf47c11e2005-06-24 20:18:35 -070012194 tg3_full_unlock(tp);
Linus Torvalds1da177e2005-04-16 15:20:36 -070012195
Michael Chanb9ec6c12006-07-25 16:37:27 -070012196 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -070012197}
12198
12199static struct pci_driver tg3_driver = {
12200 .name = DRV_MODULE_NAME,
12201 .id_table = tg3_pci_tbl,
12202 .probe = tg3_init_one,
12203 .remove = __devexit_p(tg3_remove_one),
12204 .suspend = tg3_suspend,
12205 .resume = tg3_resume
12206};
12207
12208static int __init tg3_init(void)
12209{
Jeff Garzik29917622006-08-19 17:48:59 -040012210 return pci_register_driver(&tg3_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -070012211}
12212
12213static void __exit tg3_cleanup(void)
12214{
12215 pci_unregister_driver(&tg3_driver);
12216}
12217
12218module_init(tg3_init);
12219module_exit(tg3_cleanup);