blob: 6def6f826a543a3dbed0b7f7a28636ffac2c2742 [file] [log] [blame]
Li Yangce973b12006-08-14 23:00:11 -07001/*
Kim Phillips4e19b5c2007-05-11 18:25:07 -05002 * Copyright (C) 2006-2007 Freescale Semicondutor, Inc. All rights reserved.
Li Yangce973b12006-08-14 23:00:11 -07003 *
4 * Author: Shlomi Gridish <gridish@freescale.com>
Li Yang18a8e862006-10-19 21:07:34 -05005 * Li Yang <leoli@freescale.com>
Li Yangce973b12006-08-14 23:00:11 -07006 *
7 * Description:
8 * QE UCC Gigabit Ethernet Driver
9 *
Li Yangce973b12006-08-14 23:00:11 -070010 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 */
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/errno.h>
18#include <linux/slab.h>
19#include <linux/stddef.h>
20#include <linux/interrupt.h>
21#include <linux/netdevice.h>
22#include <linux/etherdevice.h>
23#include <linux/skbuff.h>
24#include <linux/spinlock.h>
25#include <linux/mm.h>
Li Yangce973b12006-08-14 23:00:11 -070026#include <linux/dma-mapping.h>
27#include <linux/fsl_devices.h>
Li Yangce973b12006-08-14 23:00:11 -070028#include <linux/mii.h>
Kim Phillips728de4c92007-04-13 01:26:03 -050029#include <linux/phy.h>
Timur Tabidf19b6b2007-01-09 12:31:38 -060030#include <linux/workqueue.h>
Stephen Rothwell55b6c8e2008-05-23 16:28:54 +100031#include <linux/of_platform.h>
Li Yangce973b12006-08-14 23:00:11 -070032
33#include <asm/uaccess.h>
34#include <asm/irq.h>
35#include <asm/io.h>
36#include <asm/immap_qe.h>
37#include <asm/qe.h>
38#include <asm/ucc.h>
39#include <asm/ucc_fast.h>
40
41#include "ucc_geth.h"
Kim Phillips728de4c92007-04-13 01:26:03 -050042#include "ucc_geth_mii.h"
Li Yangce973b12006-08-14 23:00:11 -070043
44#undef DEBUG
45
Li Yangce973b12006-08-14 23:00:11 -070046#define ugeth_printk(level, format, arg...) \
47 printk(level format "\n", ## arg)
48
49#define ugeth_dbg(format, arg...) \
50 ugeth_printk(KERN_DEBUG , format , ## arg)
51#define ugeth_err(format, arg...) \
52 ugeth_printk(KERN_ERR , format , ## arg)
53#define ugeth_info(format, arg...) \
54 ugeth_printk(KERN_INFO , format , ## arg)
55#define ugeth_warn(format, arg...) \
56 ugeth_printk(KERN_WARNING , format , ## arg)
57
58#ifdef UGETH_VERBOSE_DEBUG
59#define ugeth_vdbg ugeth_dbg
60#else
61#define ugeth_vdbg(fmt, args...) do { } while (0)
62#endif /* UGETH_VERBOSE_DEBUG */
Li Yang890de952007-07-19 11:48:29 +080063#define UGETH_MSG_DEFAULT (NETIF_MSG_IFUP << 1 ) - 1
Li Yangce973b12006-08-14 23:00:11 -070064
Emil Medve88a15f22007-10-15 08:43:50 -050065
Li Yangce973b12006-08-14 23:00:11 -070066static DEFINE_SPINLOCK(ugeth_lock);
67
Li Yang890de952007-07-19 11:48:29 +080068static struct {
69 u32 msg_enable;
70} debug = { -1 };
71
72module_param_named(debug, debug.msg_enable, int, 0);
73MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 0xffff=all)");
74
Li Yang18a8e862006-10-19 21:07:34 -050075static struct ucc_geth_info ugeth_primary_info = {
Li Yangce973b12006-08-14 23:00:11 -070076 .uf_info = {
77 .bd_mem_part = MEM_PART_SYSTEM,
78 .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES,
79 .max_rx_buf_length = 1536,
Kim Phillips728de4c92007-04-13 01:26:03 -050080 /* adjusted at startup if max-speed 1000 */
Li Yangce973b12006-08-14 23:00:11 -070081 .urfs = UCC_GETH_URFS_INIT,
82 .urfet = UCC_GETH_URFET_INIT,
83 .urfset = UCC_GETH_URFSET_INIT,
84 .utfs = UCC_GETH_UTFS_INIT,
85 .utfet = UCC_GETH_UTFET_INIT,
86 .utftt = UCC_GETH_UTFTT_INIT,
Li Yangce973b12006-08-14 23:00:11 -070087 .ufpt = 256,
88 .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET,
89 .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL,
90 .tenc = UCC_FAST_TX_ENCODING_NRZ,
91 .renc = UCC_FAST_RX_ENCODING_NRZ,
92 .tcrc = UCC_FAST_16_BIT_CRC,
93 .synl = UCC_FAST_SYNC_LEN_NOT_USED,
94 },
95 .numQueuesTx = 1,
96 .numQueuesRx = 1,
97 .extendedFilteringChainPointer = ((uint32_t) NULL),
98 .typeorlen = 3072 /*1536 */ ,
99 .nonBackToBackIfgPart1 = 0x40,
100 .nonBackToBackIfgPart2 = 0x60,
101 .miminumInterFrameGapEnforcement = 0x50,
102 .backToBackInterFrameGap = 0x60,
103 .mblinterval = 128,
104 .nortsrbytetime = 5,
105 .fracsiz = 1,
106 .strictpriorityq = 0xff,
107 .altBebTruncation = 0xa,
108 .excessDefer = 1,
109 .maxRetransmission = 0xf,
110 .collisionWindow = 0x37,
111 .receiveFlowControl = 1,
Li Yangac421852007-07-19 11:47:47 +0800112 .transmitFlowControl = 1,
Li Yangce973b12006-08-14 23:00:11 -0700113 .maxGroupAddrInHash = 4,
114 .maxIndAddrInHash = 4,
115 .prel = 7,
116 .maxFrameLength = 1518,
117 .minFrameLength = 64,
118 .maxD1Length = 1520,
119 .maxD2Length = 1520,
120 .vlantype = 0x8100,
121 .ecamptr = ((uint32_t) NULL),
122 .eventRegMask = UCCE_OTHER,
123 .pausePeriod = 0xf000,
124 .interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1},
125 .bdRingLenTx = {
126 TX_BD_RING_LEN,
127 TX_BD_RING_LEN,
128 TX_BD_RING_LEN,
129 TX_BD_RING_LEN,
130 TX_BD_RING_LEN,
131 TX_BD_RING_LEN,
132 TX_BD_RING_LEN,
133 TX_BD_RING_LEN},
134
135 .bdRingLenRx = {
136 RX_BD_RING_LEN,
137 RX_BD_RING_LEN,
138 RX_BD_RING_LEN,
139 RX_BD_RING_LEN,
140 RX_BD_RING_LEN,
141 RX_BD_RING_LEN,
142 RX_BD_RING_LEN,
143 RX_BD_RING_LEN},
144
145 .numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1,
146 .largestexternallookupkeysize =
147 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE,
Li Yangac421852007-07-19 11:47:47 +0800148 .statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE |
149 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX |
150 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX,
Li Yangce973b12006-08-14 23:00:11 -0700151 .vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP,
152 .vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP,
153 .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT,
154 .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE,
155 .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC,
Joakim Tjernlundffea31e2008-03-06 18:48:46 +0800156 .numThreadsTx = UCC_GETH_NUM_OF_THREADS_1,
157 .numThreadsRx = UCC_GETH_NUM_OF_THREADS_1,
Li Yangce973b12006-08-14 23:00:11 -0700158 .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
159 .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2,
160};
161
Li Yang18a8e862006-10-19 21:07:34 -0500162static struct ucc_geth_info ugeth_info[8];
Li Yangce973b12006-08-14 23:00:11 -0700163
164#ifdef DEBUG
165static void mem_disp(u8 *addr, int size)
166{
167 u8 *i;
168 int size16Aling = (size >> 4) << 4;
169 int size4Aling = (size >> 2) << 2;
170 int notAlign = 0;
171 if (size % 16)
172 notAlign = 1;
173
174 for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16)
175 printk("0x%08x: %08x %08x %08x %08x\r\n",
176 (u32) i,
177 *((u32 *) (i)),
178 *((u32 *) (i + 4)),
179 *((u32 *) (i + 8)), *((u32 *) (i + 12)));
180 if (notAlign == 1)
181 printk("0x%08x: ", (u32) i);
182 for (; (u32) i < (u32) addr + size4Aling; i += 4)
183 printk("%08x ", *((u32 *) (i)));
184 for (; (u32) i < (u32) addr + size; i++)
185 printk("%02x", *((u8 *) (i)));
186 if (notAlign == 1)
187 printk("\r\n");
188}
189#endif /* DEBUG */
190
Li Yangce973b12006-08-14 23:00:11 -0700191static struct list_head *dequeue(struct list_head *lh)
192{
193 unsigned long flags;
194
Scott Wood1083cfe2006-12-07 13:31:07 -0600195 spin_lock_irqsave(&ugeth_lock, flags);
Li Yangce973b12006-08-14 23:00:11 -0700196 if (!list_empty(lh)) {
197 struct list_head *node = lh->next;
198 list_del(node);
Scott Wood1083cfe2006-12-07 13:31:07 -0600199 spin_unlock_irqrestore(&ugeth_lock, flags);
Li Yangce973b12006-08-14 23:00:11 -0700200 return node;
201 } else {
Scott Wood1083cfe2006-12-07 13:31:07 -0600202 spin_unlock_irqrestore(&ugeth_lock, flags);
Li Yangce973b12006-08-14 23:00:11 -0700203 return NULL;
204 }
205}
206
Andy Fleming6fee40e2008-05-02 13:01:23 -0500207static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth,
208 u8 __iomem *bd)
Li Yangce973b12006-08-14 23:00:11 -0700209{
210 struct sk_buff *skb = NULL;
211
212 skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length +
213 UCC_GETH_RX_DATA_BUF_ALIGNMENT);
214
215 if (skb == NULL)
216 return NULL;
217
218 /* We need the data buffer to be aligned properly. We will reserve
219 * as many bytes as needed to align the data properly
220 */
221 skb_reserve(skb,
222 UCC_GETH_RX_DATA_BUF_ALIGNMENT -
223 (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT -
224 1)));
225
226 skb->dev = ugeth->dev;
227
Andy Fleming6fee40e2008-05-02 13:01:23 -0500228 out_be32(&((struct qe_bd __iomem *)bd)->buf,
Andy Fleming7f802022008-05-15 17:00:21 -0500229 dma_map_single(&ugeth->dev->dev,
Li Yangce973b12006-08-14 23:00:11 -0700230 skb->data,
231 ugeth->ug_info->uf_info.max_rx_buf_length +
232 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
233 DMA_FROM_DEVICE));
234
Andy Fleming6fee40e2008-05-02 13:01:23 -0500235 out_be32((u32 __iomem *)bd,
236 (R_E | R_I | (in_be32((u32 __iomem*)bd) & R_W)));
Li Yangce973b12006-08-14 23:00:11 -0700237
238 return skb;
239}
240
Li Yang18a8e862006-10-19 21:07:34 -0500241static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ)
Li Yangce973b12006-08-14 23:00:11 -0700242{
Andy Fleming6fee40e2008-05-02 13:01:23 -0500243 u8 __iomem *bd;
Li Yangce973b12006-08-14 23:00:11 -0700244 u32 bd_status;
245 struct sk_buff *skb;
246 int i;
247
248 bd = ugeth->p_rx_bd_ring[rxQ];
249 i = 0;
250
251 do {
Andy Fleming6fee40e2008-05-02 13:01:23 -0500252 bd_status = in_be32((u32 __iomem *)bd);
Li Yangce973b12006-08-14 23:00:11 -0700253 skb = get_new_skb(ugeth, bd);
254
255 if (!skb) /* If can not allocate data buffer,
256 abort. Cleanup will be elsewhere */
257 return -ENOMEM;
258
259 ugeth->rx_skbuff[rxQ][i] = skb;
260
261 /* advance the BD pointer */
Li Yang18a8e862006-10-19 21:07:34 -0500262 bd += sizeof(struct qe_bd);
Li Yangce973b12006-08-14 23:00:11 -0700263 i++;
264 } while (!(bd_status & R_W));
265
266 return 0;
267}
268
Li Yang18a8e862006-10-19 21:07:34 -0500269static int fill_init_enet_entries(struct ucc_geth_private *ugeth,
Andy Fleming6fee40e2008-05-02 13:01:23 -0500270 u32 *p_start,
Li Yangce973b12006-08-14 23:00:11 -0700271 u8 num_entries,
272 u32 thread_size,
273 u32 thread_alignment,
Li Yang18a8e862006-10-19 21:07:34 -0500274 enum qe_risc_allocation risc,
Li Yangce973b12006-08-14 23:00:11 -0700275 int skip_page_for_first_entry)
276{
277 u32 init_enet_offset;
278 u8 i;
279 int snum;
280
281 for (i = 0; i < num_entries; i++) {
282 if ((snum = qe_get_snum()) < 0) {
Li Yang890de952007-07-19 11:48:29 +0800283 if (netif_msg_ifup(ugeth))
284 ugeth_err("fill_init_enet_entries: Can not get SNUM.");
Li Yangce973b12006-08-14 23:00:11 -0700285 return snum;
286 }
287 if ((i == 0) && skip_page_for_first_entry)
288 /* First entry of Rx does not have page */
289 init_enet_offset = 0;
290 else {
291 init_enet_offset =
292 qe_muram_alloc(thread_size, thread_alignment);
Timur Tabi4c356302007-05-08 14:46:36 -0500293 if (IS_ERR_VALUE(init_enet_offset)) {
Li Yang890de952007-07-19 11:48:29 +0800294 if (netif_msg_ifup(ugeth))
295 ugeth_err("fill_init_enet_entries: Can not allocate DPRAM memory.");
Li Yangce973b12006-08-14 23:00:11 -0700296 qe_put_snum((u8) snum);
297 return -ENOMEM;
298 }
299 }
300 *(p_start++) =
301 ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset
302 | risc;
303 }
304
305 return 0;
306}
307
Li Yang18a8e862006-10-19 21:07:34 -0500308static int return_init_enet_entries(struct ucc_geth_private *ugeth,
Andy Fleming6fee40e2008-05-02 13:01:23 -0500309 u32 *p_start,
Li Yangce973b12006-08-14 23:00:11 -0700310 u8 num_entries,
Li Yang18a8e862006-10-19 21:07:34 -0500311 enum qe_risc_allocation risc,
Li Yangce973b12006-08-14 23:00:11 -0700312 int skip_page_for_first_entry)
313{
314 u32 init_enet_offset;
315 u8 i;
316 int snum;
317
318 for (i = 0; i < num_entries; i++) {
Andy Fleming6fee40e2008-05-02 13:01:23 -0500319 u32 val = *p_start;
320
Li Yangce973b12006-08-14 23:00:11 -0700321 /* Check that this entry was actually valid --
322 needed in case failed in allocations */
Andy Fleming6fee40e2008-05-02 13:01:23 -0500323 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
Li Yangce973b12006-08-14 23:00:11 -0700324 snum =
Andy Fleming6fee40e2008-05-02 13:01:23 -0500325 (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
Li Yangce973b12006-08-14 23:00:11 -0700326 ENET_INIT_PARAM_SNUM_SHIFT;
327 qe_put_snum((u8) snum);
328 if (!((i == 0) && skip_page_for_first_entry)) {
329 /* First entry of Rx does not have page */
330 init_enet_offset =
Andy Fleming6fee40e2008-05-02 13:01:23 -0500331 (val & ENET_INIT_PARAM_PTR_MASK);
Li Yangce973b12006-08-14 23:00:11 -0700332 qe_muram_free(init_enet_offset);
333 }
Andy Fleming6fee40e2008-05-02 13:01:23 -0500334 *p_start++ = 0;
Li Yangce973b12006-08-14 23:00:11 -0700335 }
336 }
337
338 return 0;
339}
340
341#ifdef DEBUG
Li Yang18a8e862006-10-19 21:07:34 -0500342static int dump_init_enet_entries(struct ucc_geth_private *ugeth,
Andy Fleming6fee40e2008-05-02 13:01:23 -0500343 u32 __iomem *p_start,
Li Yangce973b12006-08-14 23:00:11 -0700344 u8 num_entries,
345 u32 thread_size,
Li Yang18a8e862006-10-19 21:07:34 -0500346 enum qe_risc_allocation risc,
Li Yangce973b12006-08-14 23:00:11 -0700347 int skip_page_for_first_entry)
348{
349 u32 init_enet_offset;
350 u8 i;
351 int snum;
352
353 for (i = 0; i < num_entries; i++) {
Andy Fleming6fee40e2008-05-02 13:01:23 -0500354 u32 val = in_be32(p_start);
355
Li Yangce973b12006-08-14 23:00:11 -0700356 /* Check that this entry was actually valid --
357 needed in case failed in allocations */
Andy Fleming6fee40e2008-05-02 13:01:23 -0500358 if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) {
Li Yangce973b12006-08-14 23:00:11 -0700359 snum =
Andy Fleming6fee40e2008-05-02 13:01:23 -0500360 (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >>
Li Yangce973b12006-08-14 23:00:11 -0700361 ENET_INIT_PARAM_SNUM_SHIFT;
362 qe_put_snum((u8) snum);
363 if (!((i == 0) && skip_page_for_first_entry)) {
364 /* First entry of Rx does not have page */
365 init_enet_offset =
366 (in_be32(p_start) &
367 ENET_INIT_PARAM_PTR_MASK);
368 ugeth_info("Init enet entry %d:", i);
369 ugeth_info("Base address: 0x%08x",
370 (u32)
371 qe_muram_addr(init_enet_offset));
372 mem_disp(qe_muram_addr(init_enet_offset),
373 thread_size);
374 }
375 p_start++;
376 }
377 }
378
379 return 0;
380}
381#endif
382
Li Yang18a8e862006-10-19 21:07:34 -0500383static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont)
Li Yangce973b12006-08-14 23:00:11 -0700384{
385 kfree(enet_addr_cont);
386}
387
Timur Tabidf19b6b2007-01-09 12:31:38 -0600388static void set_mac_addr(__be16 __iomem *reg, u8 *mac)
Li Yangce973b12006-08-14 23:00:11 -0700389{
Li Yang18a8e862006-10-19 21:07:34 -0500390 out_be16(&reg[0], ((u16)mac[5] << 8) | mac[4]);
391 out_be16(&reg[1], ((u16)mac[3] << 8) | mac[2]);
392 out_be16(&reg[2], ((u16)mac[1] << 8) | mac[0]);
393}
394
Li Yang18a8e862006-10-19 21:07:34 -0500395static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num)
Li Yangce973b12006-08-14 23:00:11 -0700396{
Andy Fleming6fee40e2008-05-02 13:01:23 -0500397 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
Li Yangce973b12006-08-14 23:00:11 -0700398
399 if (!(paddr_num < NUM_OF_PADDRS)) {
Harvey Harrisonb39d66a2008-08-20 16:52:04 -0700400 ugeth_warn("%s: Illagel paddr_num.", __func__);
Li Yangce973b12006-08-14 23:00:11 -0700401 return -EINVAL;
402 }
403
404 p_82xx_addr_filt =
Andy Fleming6fee40e2008-05-02 13:01:23 -0500405 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
Li Yangce973b12006-08-14 23:00:11 -0700406 addressfiltering;
407
408 /* Writing address ff.ff.ff.ff.ff.ff disables address
409 recognition for this register */
410 out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff);
411 out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff);
412 out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff);
413
414 return 0;
415}
416
Li Yang18a8e862006-10-19 21:07:34 -0500417static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth,
418 u8 *p_enet_addr)
Li Yangce973b12006-08-14 23:00:11 -0700419{
Andy Fleming6fee40e2008-05-02 13:01:23 -0500420 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
Li Yangce973b12006-08-14 23:00:11 -0700421 u32 cecr_subblock;
422
423 p_82xx_addr_filt =
Andy Fleming6fee40e2008-05-02 13:01:23 -0500424 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram->
Li Yangce973b12006-08-14 23:00:11 -0700425 addressfiltering;
426
427 cecr_subblock =
428 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
429
430 /* Ethernet frames are defined in Little Endian mode,
431 therefor to insert */
432 /* the address to the hash (Big Endian mode), we reverse the bytes.*/
Li Yang18a8e862006-10-19 21:07:34 -0500433
434 set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr);
Li Yangce973b12006-08-14 23:00:11 -0700435
436 qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock,
Li Yang18a8e862006-10-19 21:07:34 -0500437 QE_CR_PROTOCOL_ETHERNET, 0);
Li Yangce973b12006-08-14 23:00:11 -0700438}
439
440#ifdef CONFIG_UGETH_MAGIC_PACKET
Li Yang18a8e862006-10-19 21:07:34 -0500441static void magic_packet_detection_enable(struct ucc_geth_private *ugeth)
Li Yangce973b12006-08-14 23:00:11 -0700442{
Li Yang18a8e862006-10-19 21:07:34 -0500443 struct ucc_fast_private *uccf;
Andy Fleming6fee40e2008-05-02 13:01:23 -0500444 struct ucc_geth __iomem *ug_regs;
Li Yangce973b12006-08-14 23:00:11 -0700445
446 uccf = ugeth->uccf;
447 ug_regs = ugeth->ug_regs;
448
449 /* Enable interrupts for magic packet detection */
Timur Tabi3bc53422009-01-11 00:25:21 -0800450 setbits32(uccf->p_uccm, UCC_GETH_UCCE_MPD);
Li Yangce973b12006-08-14 23:00:11 -0700451
452 /* Enable magic packet detection */
Timur Tabi3bc53422009-01-11 00:25:21 -0800453 setbits32(&ug_regs->maccfg2, MACCFG2_MPE);
Li Yangce973b12006-08-14 23:00:11 -0700454}
455
Li Yang18a8e862006-10-19 21:07:34 -0500456static void magic_packet_detection_disable(struct ucc_geth_private *ugeth)
Li Yangce973b12006-08-14 23:00:11 -0700457{
Li Yang18a8e862006-10-19 21:07:34 -0500458 struct ucc_fast_private *uccf;
Andy Fleming6fee40e2008-05-02 13:01:23 -0500459 struct ucc_geth __iomem *ug_regs;
Li Yangce973b12006-08-14 23:00:11 -0700460
461 uccf = ugeth->uccf;
462 ug_regs = ugeth->ug_regs;
463
464 /* Disable interrupts for magic packet detection */
Timur Tabi3bc53422009-01-11 00:25:21 -0800465 clrbits32(uccf->p_uccm, UCC_GETH_UCCE_MPD);
Li Yangce973b12006-08-14 23:00:11 -0700466
467 /* Disable magic packet detection */
Timur Tabi3bc53422009-01-11 00:25:21 -0800468 clrbits32(&ug_regs->maccfg2, MACCFG2_MPE);
Li Yangce973b12006-08-14 23:00:11 -0700469}
470#endif /* MAGIC_PACKET */
471
Li Yang18a8e862006-10-19 21:07:34 -0500472static inline int compare_addr(u8 **addr1, u8 **addr2)
Li Yangce973b12006-08-14 23:00:11 -0700473{
474 return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS);
475}
476
477#ifdef DEBUG
Li Yang18a8e862006-10-19 21:07:34 -0500478static void get_statistics(struct ucc_geth_private *ugeth,
479 struct ucc_geth_tx_firmware_statistics *
Li Yangce973b12006-08-14 23:00:11 -0700480 tx_firmware_statistics,
Li Yang18a8e862006-10-19 21:07:34 -0500481 struct ucc_geth_rx_firmware_statistics *
Li Yangce973b12006-08-14 23:00:11 -0700482 rx_firmware_statistics,
Li Yang18a8e862006-10-19 21:07:34 -0500483 struct ucc_geth_hardware_statistics *hardware_statistics)
Li Yangce973b12006-08-14 23:00:11 -0700484{
Andy Fleming6fee40e2008-05-02 13:01:23 -0500485 struct ucc_fast __iomem *uf_regs;
486 struct ucc_geth __iomem *ug_regs;
Li Yang18a8e862006-10-19 21:07:34 -0500487 struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram;
488 struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram;
Li Yangce973b12006-08-14 23:00:11 -0700489
490 ug_regs = ugeth->ug_regs;
Andy Fleming6fee40e2008-05-02 13:01:23 -0500491 uf_regs = (struct ucc_fast __iomem *) ug_regs;
Li Yangce973b12006-08-14 23:00:11 -0700492 p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram;
493 p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram;
494
495 /* Tx firmware only if user handed pointer and driver actually
496 gathers Tx firmware statistics */
497 if (tx_firmware_statistics && p_tx_fw_statistics_pram) {
498 tx_firmware_statistics->sicoltx =
499 in_be32(&p_tx_fw_statistics_pram->sicoltx);
500 tx_firmware_statistics->mulcoltx =
501 in_be32(&p_tx_fw_statistics_pram->mulcoltx);
502 tx_firmware_statistics->latecoltxfr =
503 in_be32(&p_tx_fw_statistics_pram->latecoltxfr);
504 tx_firmware_statistics->frabortduecol =
505 in_be32(&p_tx_fw_statistics_pram->frabortduecol);
506 tx_firmware_statistics->frlostinmactxer =
507 in_be32(&p_tx_fw_statistics_pram->frlostinmactxer);
508 tx_firmware_statistics->carriersenseertx =
509 in_be32(&p_tx_fw_statistics_pram->carriersenseertx);
510 tx_firmware_statistics->frtxok =
511 in_be32(&p_tx_fw_statistics_pram->frtxok);
512 tx_firmware_statistics->txfrexcessivedefer =
513 in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer);
514 tx_firmware_statistics->txpkts256 =
515 in_be32(&p_tx_fw_statistics_pram->txpkts256);
516 tx_firmware_statistics->txpkts512 =
517 in_be32(&p_tx_fw_statistics_pram->txpkts512);
518 tx_firmware_statistics->txpkts1024 =
519 in_be32(&p_tx_fw_statistics_pram->txpkts1024);
520 tx_firmware_statistics->txpktsjumbo =
521 in_be32(&p_tx_fw_statistics_pram->txpktsjumbo);
522 }
523
524 /* Rx firmware only if user handed pointer and driver actually
525 * gathers Rx firmware statistics */
526 if (rx_firmware_statistics && p_rx_fw_statistics_pram) {
527 int i;
528 rx_firmware_statistics->frrxfcser =
529 in_be32(&p_rx_fw_statistics_pram->frrxfcser);
530 rx_firmware_statistics->fraligner =
531 in_be32(&p_rx_fw_statistics_pram->fraligner);
532 rx_firmware_statistics->inrangelenrxer =
533 in_be32(&p_rx_fw_statistics_pram->inrangelenrxer);
534 rx_firmware_statistics->outrangelenrxer =
535 in_be32(&p_rx_fw_statistics_pram->outrangelenrxer);
536 rx_firmware_statistics->frtoolong =
537 in_be32(&p_rx_fw_statistics_pram->frtoolong);
538 rx_firmware_statistics->runt =
539 in_be32(&p_rx_fw_statistics_pram->runt);
540 rx_firmware_statistics->verylongevent =
541 in_be32(&p_rx_fw_statistics_pram->verylongevent);
542 rx_firmware_statistics->symbolerror =
543 in_be32(&p_rx_fw_statistics_pram->symbolerror);
544 rx_firmware_statistics->dropbsy =
545 in_be32(&p_rx_fw_statistics_pram->dropbsy);
546 for (i = 0; i < 0x8; i++)
547 rx_firmware_statistics->res0[i] =
548 p_rx_fw_statistics_pram->res0[i];
549 rx_firmware_statistics->mismatchdrop =
550 in_be32(&p_rx_fw_statistics_pram->mismatchdrop);
551 rx_firmware_statistics->underpkts =
552 in_be32(&p_rx_fw_statistics_pram->underpkts);
553 rx_firmware_statistics->pkts256 =
554 in_be32(&p_rx_fw_statistics_pram->pkts256);
555 rx_firmware_statistics->pkts512 =
556 in_be32(&p_rx_fw_statistics_pram->pkts512);
557 rx_firmware_statistics->pkts1024 =
558 in_be32(&p_rx_fw_statistics_pram->pkts1024);
559 rx_firmware_statistics->pktsjumbo =
560 in_be32(&p_rx_fw_statistics_pram->pktsjumbo);
561 rx_firmware_statistics->frlossinmacer =
562 in_be32(&p_rx_fw_statistics_pram->frlossinmacer);
563 rx_firmware_statistics->pausefr =
564 in_be32(&p_rx_fw_statistics_pram->pausefr);
565 for (i = 0; i < 0x4; i++)
566 rx_firmware_statistics->res1[i] =
567 p_rx_fw_statistics_pram->res1[i];
568 rx_firmware_statistics->removevlan =
569 in_be32(&p_rx_fw_statistics_pram->removevlan);
570 rx_firmware_statistics->replacevlan =
571 in_be32(&p_rx_fw_statistics_pram->replacevlan);
572 rx_firmware_statistics->insertvlan =
573 in_be32(&p_rx_fw_statistics_pram->insertvlan);
574 }
575
576 /* Hardware only if user handed pointer and driver actually
577 gathers hardware statistics */
Timur Tabi3bc53422009-01-11 00:25:21 -0800578 if (hardware_statistics &&
579 (in_be32(&uf_regs->upsmr) & UCC_GETH_UPSMR_HSE)) {
Li Yangce973b12006-08-14 23:00:11 -0700580 hardware_statistics->tx64 = in_be32(&ug_regs->tx64);
581 hardware_statistics->tx127 = in_be32(&ug_regs->tx127);
582 hardware_statistics->tx255 = in_be32(&ug_regs->tx255);
583 hardware_statistics->rx64 = in_be32(&ug_regs->rx64);
584 hardware_statistics->rx127 = in_be32(&ug_regs->rx127);
585 hardware_statistics->rx255 = in_be32(&ug_regs->rx255);
586 hardware_statistics->txok = in_be32(&ug_regs->txok);
587 hardware_statistics->txcf = in_be16(&ug_regs->txcf);
588 hardware_statistics->tmca = in_be32(&ug_regs->tmca);
589 hardware_statistics->tbca = in_be32(&ug_regs->tbca);
590 hardware_statistics->rxfok = in_be32(&ug_regs->rxfok);
591 hardware_statistics->rxbok = in_be32(&ug_regs->rxbok);
592 hardware_statistics->rbyt = in_be32(&ug_regs->rbyt);
593 hardware_statistics->rmca = in_be32(&ug_regs->rmca);
594 hardware_statistics->rbca = in_be32(&ug_regs->rbca);
595 }
596}
597
Li Yang18a8e862006-10-19 21:07:34 -0500598static void dump_bds(struct ucc_geth_private *ugeth)
Li Yangce973b12006-08-14 23:00:11 -0700599{
600 int i;
601 int length;
602
603 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
604 if (ugeth->p_tx_bd_ring[i]) {
605 length =
606 (ugeth->ug_info->bdRingLenTx[i] *
Li Yang18a8e862006-10-19 21:07:34 -0500607 sizeof(struct qe_bd));
Li Yangce973b12006-08-14 23:00:11 -0700608 ugeth_info("TX BDs[%d]", i);
609 mem_disp(ugeth->p_tx_bd_ring[i], length);
610 }
611 }
612 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
613 if (ugeth->p_rx_bd_ring[i]) {
614 length =
615 (ugeth->ug_info->bdRingLenRx[i] *
Li Yang18a8e862006-10-19 21:07:34 -0500616 sizeof(struct qe_bd));
Li Yangce973b12006-08-14 23:00:11 -0700617 ugeth_info("RX BDs[%d]", i);
618 mem_disp(ugeth->p_rx_bd_ring[i], length);
619 }
620 }
621}
622
Li Yang18a8e862006-10-19 21:07:34 -0500623static void dump_regs(struct ucc_geth_private *ugeth)
Li Yangce973b12006-08-14 23:00:11 -0700624{
625 int i;
626
627 ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num);
628 ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs);
629
630 ugeth_info("maccfg1 : addr - 0x%08x, val - 0x%08x",
631 (u32) & ugeth->ug_regs->maccfg1,
632 in_be32(&ugeth->ug_regs->maccfg1));
633 ugeth_info("maccfg2 : addr - 0x%08x, val - 0x%08x",
634 (u32) & ugeth->ug_regs->maccfg2,
635 in_be32(&ugeth->ug_regs->maccfg2));
636 ugeth_info("ipgifg : addr - 0x%08x, val - 0x%08x",
637 (u32) & ugeth->ug_regs->ipgifg,
638 in_be32(&ugeth->ug_regs->ipgifg));
639 ugeth_info("hafdup : addr - 0x%08x, val - 0x%08x",
640 (u32) & ugeth->ug_regs->hafdup,
641 in_be32(&ugeth->ug_regs->hafdup));
Li Yangce973b12006-08-14 23:00:11 -0700642 ugeth_info("ifctl : addr - 0x%08x, val - 0x%08x",
643 (u32) & ugeth->ug_regs->ifctl,
644 in_be32(&ugeth->ug_regs->ifctl));
645 ugeth_info("ifstat : addr - 0x%08x, val - 0x%08x",
646 (u32) & ugeth->ug_regs->ifstat,
647 in_be32(&ugeth->ug_regs->ifstat));
648 ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x",
649 (u32) & ugeth->ug_regs->macstnaddr1,
650 in_be32(&ugeth->ug_regs->macstnaddr1));
651 ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x",
652 (u32) & ugeth->ug_regs->macstnaddr2,
653 in_be32(&ugeth->ug_regs->macstnaddr2));
654 ugeth_info("uempr : addr - 0x%08x, val - 0x%08x",
655 (u32) & ugeth->ug_regs->uempr,
656 in_be32(&ugeth->ug_regs->uempr));
657 ugeth_info("utbipar : addr - 0x%08x, val - 0x%08x",
658 (u32) & ugeth->ug_regs->utbipar,
659 in_be32(&ugeth->ug_regs->utbipar));
660 ugeth_info("uescr : addr - 0x%08x, val - 0x%04x",
661 (u32) & ugeth->ug_regs->uescr,
662 in_be16(&ugeth->ug_regs->uescr));
663 ugeth_info("tx64 : addr - 0x%08x, val - 0x%08x",
664 (u32) & ugeth->ug_regs->tx64,
665 in_be32(&ugeth->ug_regs->tx64));
666 ugeth_info("tx127 : addr - 0x%08x, val - 0x%08x",
667 (u32) & ugeth->ug_regs->tx127,
668 in_be32(&ugeth->ug_regs->tx127));
669 ugeth_info("tx255 : addr - 0x%08x, val - 0x%08x",
670 (u32) & ugeth->ug_regs->tx255,
671 in_be32(&ugeth->ug_regs->tx255));
672 ugeth_info("rx64 : addr - 0x%08x, val - 0x%08x",
673 (u32) & ugeth->ug_regs->rx64,
674 in_be32(&ugeth->ug_regs->rx64));
675 ugeth_info("rx127 : addr - 0x%08x, val - 0x%08x",
676 (u32) & ugeth->ug_regs->rx127,
677 in_be32(&ugeth->ug_regs->rx127));
678 ugeth_info("rx255 : addr - 0x%08x, val - 0x%08x",
679 (u32) & ugeth->ug_regs->rx255,
680 in_be32(&ugeth->ug_regs->rx255));
681 ugeth_info("txok : addr - 0x%08x, val - 0x%08x",
682 (u32) & ugeth->ug_regs->txok,
683 in_be32(&ugeth->ug_regs->txok));
684 ugeth_info("txcf : addr - 0x%08x, val - 0x%04x",
685 (u32) & ugeth->ug_regs->txcf,
686 in_be16(&ugeth->ug_regs->txcf));
687 ugeth_info("tmca : addr - 0x%08x, val - 0x%08x",
688 (u32) & ugeth->ug_regs->tmca,
689 in_be32(&ugeth->ug_regs->tmca));
690 ugeth_info("tbca : addr - 0x%08x, val - 0x%08x",
691 (u32) & ugeth->ug_regs->tbca,
692 in_be32(&ugeth->ug_regs->tbca));
693 ugeth_info("rxfok : addr - 0x%08x, val - 0x%08x",
694 (u32) & ugeth->ug_regs->rxfok,
695 in_be32(&ugeth->ug_regs->rxfok));
696 ugeth_info("rxbok : addr - 0x%08x, val - 0x%08x",
697 (u32) & ugeth->ug_regs->rxbok,
698 in_be32(&ugeth->ug_regs->rxbok));
699 ugeth_info("rbyt : addr - 0x%08x, val - 0x%08x",
700 (u32) & ugeth->ug_regs->rbyt,
701 in_be32(&ugeth->ug_regs->rbyt));
702 ugeth_info("rmca : addr - 0x%08x, val - 0x%08x",
703 (u32) & ugeth->ug_regs->rmca,
704 in_be32(&ugeth->ug_regs->rmca));
705 ugeth_info("rbca : addr - 0x%08x, val - 0x%08x",
706 (u32) & ugeth->ug_regs->rbca,
707 in_be32(&ugeth->ug_regs->rbca));
708 ugeth_info("scar : addr - 0x%08x, val - 0x%08x",
709 (u32) & ugeth->ug_regs->scar,
710 in_be32(&ugeth->ug_regs->scar));
711 ugeth_info("scam : addr - 0x%08x, val - 0x%08x",
712 (u32) & ugeth->ug_regs->scam,
713 in_be32(&ugeth->ug_regs->scam));
714
715 if (ugeth->p_thread_data_tx) {
716 int numThreadsTxNumerical;
717 switch (ugeth->ug_info->numThreadsTx) {
718 case UCC_GETH_NUM_OF_THREADS_1:
719 numThreadsTxNumerical = 1;
720 break;
721 case UCC_GETH_NUM_OF_THREADS_2:
722 numThreadsTxNumerical = 2;
723 break;
724 case UCC_GETH_NUM_OF_THREADS_4:
725 numThreadsTxNumerical = 4;
726 break;
727 case UCC_GETH_NUM_OF_THREADS_6:
728 numThreadsTxNumerical = 6;
729 break;
730 case UCC_GETH_NUM_OF_THREADS_8:
731 numThreadsTxNumerical = 8;
732 break;
733 default:
734 numThreadsTxNumerical = 0;
735 break;
736 }
737
738 ugeth_info("Thread data TXs:");
739 ugeth_info("Base address: 0x%08x",
740 (u32) ugeth->p_thread_data_tx);
741 for (i = 0; i < numThreadsTxNumerical; i++) {
742 ugeth_info("Thread data TX[%d]:", i);
743 ugeth_info("Base address: 0x%08x",
744 (u32) & ugeth->p_thread_data_tx[i]);
745 mem_disp((u8 *) & ugeth->p_thread_data_tx[i],
Li Yang18a8e862006-10-19 21:07:34 -0500746 sizeof(struct ucc_geth_thread_data_tx));
Li Yangce973b12006-08-14 23:00:11 -0700747 }
748 }
749 if (ugeth->p_thread_data_rx) {
750 int numThreadsRxNumerical;
751 switch (ugeth->ug_info->numThreadsRx) {
752 case UCC_GETH_NUM_OF_THREADS_1:
753 numThreadsRxNumerical = 1;
754 break;
755 case UCC_GETH_NUM_OF_THREADS_2:
756 numThreadsRxNumerical = 2;
757 break;
758 case UCC_GETH_NUM_OF_THREADS_4:
759 numThreadsRxNumerical = 4;
760 break;
761 case UCC_GETH_NUM_OF_THREADS_6:
762 numThreadsRxNumerical = 6;
763 break;
764 case UCC_GETH_NUM_OF_THREADS_8:
765 numThreadsRxNumerical = 8;
766 break;
767 default:
768 numThreadsRxNumerical = 0;
769 break;
770 }
771
772 ugeth_info("Thread data RX:");
773 ugeth_info("Base address: 0x%08x",
774 (u32) ugeth->p_thread_data_rx);
775 for (i = 0; i < numThreadsRxNumerical; i++) {
776 ugeth_info("Thread data RX[%d]:", i);
777 ugeth_info("Base address: 0x%08x",
778 (u32) & ugeth->p_thread_data_rx[i]);
779 mem_disp((u8 *) & ugeth->p_thread_data_rx[i],
Li Yang18a8e862006-10-19 21:07:34 -0500780 sizeof(struct ucc_geth_thread_data_rx));
Li Yangce973b12006-08-14 23:00:11 -0700781 }
782 }
783 if (ugeth->p_exf_glbl_param) {
784 ugeth_info("EXF global param:");
785 ugeth_info("Base address: 0x%08x",
786 (u32) ugeth->p_exf_glbl_param);
787 mem_disp((u8 *) ugeth->p_exf_glbl_param,
788 sizeof(*ugeth->p_exf_glbl_param));
789 }
790 if (ugeth->p_tx_glbl_pram) {
791 ugeth_info("TX global param:");
792 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram);
793 ugeth_info("temoder : addr - 0x%08x, val - 0x%04x",
794 (u32) & ugeth->p_tx_glbl_pram->temoder,
795 in_be16(&ugeth->p_tx_glbl_pram->temoder));
796 ugeth_info("sqptr : addr - 0x%08x, val - 0x%08x",
797 (u32) & ugeth->p_tx_glbl_pram->sqptr,
798 in_be32(&ugeth->p_tx_glbl_pram->sqptr));
799 ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x",
800 (u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer,
801 in_be32(&ugeth->p_tx_glbl_pram->
802 schedulerbasepointer));
803 ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x",
804 (u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr,
805 in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr));
806 ugeth_info("tstate : addr - 0x%08x, val - 0x%08x",
807 (u32) & ugeth->p_tx_glbl_pram->tstate,
808 in_be32(&ugeth->p_tx_glbl_pram->tstate));
809 ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x",
810 (u32) & ugeth->p_tx_glbl_pram->iphoffset[0],
811 ugeth->p_tx_glbl_pram->iphoffset[0]);
812 ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x",
813 (u32) & ugeth->p_tx_glbl_pram->iphoffset[1],
814 ugeth->p_tx_glbl_pram->iphoffset[1]);
815 ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x",
816 (u32) & ugeth->p_tx_glbl_pram->iphoffset[2],
817 ugeth->p_tx_glbl_pram->iphoffset[2]);
818 ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x",
819 (u32) & ugeth->p_tx_glbl_pram->iphoffset[3],
820 ugeth->p_tx_glbl_pram->iphoffset[3]);
821 ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x",
822 (u32) & ugeth->p_tx_glbl_pram->iphoffset[4],
823 ugeth->p_tx_glbl_pram->iphoffset[4]);
824 ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x",
825 (u32) & ugeth->p_tx_glbl_pram->iphoffset[5],
826 ugeth->p_tx_glbl_pram->iphoffset[5]);
827 ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x",
828 (u32) & ugeth->p_tx_glbl_pram->iphoffset[6],
829 ugeth->p_tx_glbl_pram->iphoffset[6]);
830 ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x",
831 (u32) & ugeth->p_tx_glbl_pram->iphoffset[7],
832 ugeth->p_tx_glbl_pram->iphoffset[7]);
833 ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x",
834 (u32) & ugeth->p_tx_glbl_pram->vtagtable[0],
835 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0]));
836 ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x",
837 (u32) & ugeth->p_tx_glbl_pram->vtagtable[1],
838 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1]));
839 ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x",
840 (u32) & ugeth->p_tx_glbl_pram->vtagtable[2],
841 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2]));
842 ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x",
843 (u32) & ugeth->p_tx_glbl_pram->vtagtable[3],
844 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3]));
845 ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x",
846 (u32) & ugeth->p_tx_glbl_pram->vtagtable[4],
847 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4]));
848 ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x",
849 (u32) & ugeth->p_tx_glbl_pram->vtagtable[5],
850 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5]));
851 ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x",
852 (u32) & ugeth->p_tx_glbl_pram->vtagtable[6],
853 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6]));
854 ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x",
855 (u32) & ugeth->p_tx_glbl_pram->vtagtable[7],
856 in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7]));
857 ugeth_info("tqptr : addr - 0x%08x, val - 0x%08x",
858 (u32) & ugeth->p_tx_glbl_pram->tqptr,
859 in_be32(&ugeth->p_tx_glbl_pram->tqptr));
860 }
861 if (ugeth->p_rx_glbl_pram) {
862 ugeth_info("RX global param:");
863 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram);
864 ugeth_info("remoder : addr - 0x%08x, val - 0x%08x",
865 (u32) & ugeth->p_rx_glbl_pram->remoder,
866 in_be32(&ugeth->p_rx_glbl_pram->remoder));
867 ugeth_info("rqptr : addr - 0x%08x, val - 0x%08x",
868 (u32) & ugeth->p_rx_glbl_pram->rqptr,
869 in_be32(&ugeth->p_rx_glbl_pram->rqptr));
870 ugeth_info("typeorlen : addr - 0x%08x, val - 0x%04x",
871 (u32) & ugeth->p_rx_glbl_pram->typeorlen,
872 in_be16(&ugeth->p_rx_glbl_pram->typeorlen));
873 ugeth_info("rxgstpack : addr - 0x%08x, val - 0x%02x",
874 (u32) & ugeth->p_rx_glbl_pram->rxgstpack,
875 ugeth->p_rx_glbl_pram->rxgstpack);
876 ugeth_info("rxrmonbaseptr : addr - 0x%08x, val - 0x%08x",
877 (u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr,
878 in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr));
879 ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x",
880 (u32) & ugeth->p_rx_glbl_pram->intcoalescingptr,
881 in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr));
882 ugeth_info("rstate : addr - 0x%08x, val - 0x%02x",
883 (u32) & ugeth->p_rx_glbl_pram->rstate,
884 ugeth->p_rx_glbl_pram->rstate);
885 ugeth_info("mrblr : addr - 0x%08x, val - 0x%04x",
886 (u32) & ugeth->p_rx_glbl_pram->mrblr,
887 in_be16(&ugeth->p_rx_glbl_pram->mrblr));
888 ugeth_info("rbdqptr : addr - 0x%08x, val - 0x%08x",
889 (u32) & ugeth->p_rx_glbl_pram->rbdqptr,
890 in_be32(&ugeth->p_rx_glbl_pram->rbdqptr));
891 ugeth_info("mflr : addr - 0x%08x, val - 0x%04x",
892 (u32) & ugeth->p_rx_glbl_pram->mflr,
893 in_be16(&ugeth->p_rx_glbl_pram->mflr));
894 ugeth_info("minflr : addr - 0x%08x, val - 0x%04x",
895 (u32) & ugeth->p_rx_glbl_pram->minflr,
896 in_be16(&ugeth->p_rx_glbl_pram->minflr));
897 ugeth_info("maxd1 : addr - 0x%08x, val - 0x%04x",
898 (u32) & ugeth->p_rx_glbl_pram->maxd1,
899 in_be16(&ugeth->p_rx_glbl_pram->maxd1));
900 ugeth_info("maxd2 : addr - 0x%08x, val - 0x%04x",
901 (u32) & ugeth->p_rx_glbl_pram->maxd2,
902 in_be16(&ugeth->p_rx_glbl_pram->maxd2));
903 ugeth_info("ecamptr : addr - 0x%08x, val - 0x%08x",
904 (u32) & ugeth->p_rx_glbl_pram->ecamptr,
905 in_be32(&ugeth->p_rx_glbl_pram->ecamptr));
906 ugeth_info("l2qt : addr - 0x%08x, val - 0x%08x",
907 (u32) & ugeth->p_rx_glbl_pram->l2qt,
908 in_be32(&ugeth->p_rx_glbl_pram->l2qt));
909 ugeth_info("l3qt[0] : addr - 0x%08x, val - 0x%08x",
910 (u32) & ugeth->p_rx_glbl_pram->l3qt[0],
911 in_be32(&ugeth->p_rx_glbl_pram->l3qt[0]));
912 ugeth_info("l3qt[1] : addr - 0x%08x, val - 0x%08x",
913 (u32) & ugeth->p_rx_glbl_pram->l3qt[1],
914 in_be32(&ugeth->p_rx_glbl_pram->l3qt[1]));
915 ugeth_info("l3qt[2] : addr - 0x%08x, val - 0x%08x",
916 (u32) & ugeth->p_rx_glbl_pram->l3qt[2],
917 in_be32(&ugeth->p_rx_glbl_pram->l3qt[2]));
918 ugeth_info("l3qt[3] : addr - 0x%08x, val - 0x%08x",
919 (u32) & ugeth->p_rx_glbl_pram->l3qt[3],
920 in_be32(&ugeth->p_rx_glbl_pram->l3qt[3]));
921 ugeth_info("l3qt[4] : addr - 0x%08x, val - 0x%08x",
922 (u32) & ugeth->p_rx_glbl_pram->l3qt[4],
923 in_be32(&ugeth->p_rx_glbl_pram->l3qt[4]));
924 ugeth_info("l3qt[5] : addr - 0x%08x, val - 0x%08x",
925 (u32) & ugeth->p_rx_glbl_pram->l3qt[5],
926 in_be32(&ugeth->p_rx_glbl_pram->l3qt[5]));
927 ugeth_info("l3qt[6] : addr - 0x%08x, val - 0x%08x",
928 (u32) & ugeth->p_rx_glbl_pram->l3qt[6],
929 in_be32(&ugeth->p_rx_glbl_pram->l3qt[6]));
930 ugeth_info("l3qt[7] : addr - 0x%08x, val - 0x%08x",
931 (u32) & ugeth->p_rx_glbl_pram->l3qt[7],
932 in_be32(&ugeth->p_rx_glbl_pram->l3qt[7]));
933 ugeth_info("vlantype : addr - 0x%08x, val - 0x%04x",
934 (u32) & ugeth->p_rx_glbl_pram->vlantype,
935 in_be16(&ugeth->p_rx_glbl_pram->vlantype));
936 ugeth_info("vlantci : addr - 0x%08x, val - 0x%04x",
937 (u32) & ugeth->p_rx_glbl_pram->vlantci,
938 in_be16(&ugeth->p_rx_glbl_pram->vlantci));
939 for (i = 0; i < 64; i++)
940 ugeth_info
941 ("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x",
942 i,
943 (u32) & ugeth->p_rx_glbl_pram->addressfiltering[i],
944 ugeth->p_rx_glbl_pram->addressfiltering[i]);
945 ugeth_info("exfGlobalParam : addr - 0x%08x, val - 0x%08x",
946 (u32) & ugeth->p_rx_glbl_pram->exfGlobalParam,
947 in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam));
948 }
949 if (ugeth->p_send_q_mem_reg) {
950 ugeth_info("Send Q memory registers:");
951 ugeth_info("Base address: 0x%08x",
952 (u32) ugeth->p_send_q_mem_reg);
953 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
954 ugeth_info("SQQD[%d]:", i);
955 ugeth_info("Base address: 0x%08x",
956 (u32) & ugeth->p_send_q_mem_reg->sqqd[i]);
957 mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i],
Li Yang18a8e862006-10-19 21:07:34 -0500958 sizeof(struct ucc_geth_send_queue_qd));
Li Yangce973b12006-08-14 23:00:11 -0700959 }
960 }
961 if (ugeth->p_scheduler) {
962 ugeth_info("Scheduler:");
963 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler);
964 mem_disp((u8 *) ugeth->p_scheduler,
965 sizeof(*ugeth->p_scheduler));
966 }
967 if (ugeth->p_tx_fw_statistics_pram) {
968 ugeth_info("TX FW statistics pram:");
969 ugeth_info("Base address: 0x%08x",
970 (u32) ugeth->p_tx_fw_statistics_pram);
971 mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram,
972 sizeof(*ugeth->p_tx_fw_statistics_pram));
973 }
974 if (ugeth->p_rx_fw_statistics_pram) {
975 ugeth_info("RX FW statistics pram:");
976 ugeth_info("Base address: 0x%08x",
977 (u32) ugeth->p_rx_fw_statistics_pram);
978 mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram,
979 sizeof(*ugeth->p_rx_fw_statistics_pram));
980 }
981 if (ugeth->p_rx_irq_coalescing_tbl) {
982 ugeth_info("RX IRQ coalescing tables:");
983 ugeth_info("Base address: 0x%08x",
984 (u32) ugeth->p_rx_irq_coalescing_tbl);
985 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
986 ugeth_info("RX IRQ coalescing table entry[%d]:", i);
987 ugeth_info("Base address: 0x%08x",
988 (u32) & ugeth->p_rx_irq_coalescing_tbl->
989 coalescingentry[i]);
990 ugeth_info
991 ("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x",
992 (u32) & ugeth->p_rx_irq_coalescing_tbl->
993 coalescingentry[i].interruptcoalescingmaxvalue,
994 in_be32(&ugeth->p_rx_irq_coalescing_tbl->
995 coalescingentry[i].
996 interruptcoalescingmaxvalue));
997 ugeth_info
998 ("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x",
999 (u32) & ugeth->p_rx_irq_coalescing_tbl->
1000 coalescingentry[i].interruptcoalescingcounter,
1001 in_be32(&ugeth->p_rx_irq_coalescing_tbl->
1002 coalescingentry[i].
1003 interruptcoalescingcounter));
1004 }
1005 }
1006 if (ugeth->p_rx_bd_qs_tbl) {
1007 ugeth_info("RX BD QS tables:");
1008 ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl);
1009 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1010 ugeth_info("RX BD QS table[%d]:", i);
1011 ugeth_info("Base address: 0x%08x",
1012 (u32) & ugeth->p_rx_bd_qs_tbl[i]);
1013 ugeth_info
1014 ("bdbaseptr : addr - 0x%08x, val - 0x%08x",
1015 (u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr,
1016 in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr));
1017 ugeth_info
1018 ("bdptr : addr - 0x%08x, val - 0x%08x",
1019 (u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr,
1020 in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr));
1021 ugeth_info
1022 ("externalbdbaseptr: addr - 0x%08x, val - 0x%08x",
1023 (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
1024 in_be32(&ugeth->p_rx_bd_qs_tbl[i].
1025 externalbdbaseptr));
1026 ugeth_info
1027 ("externalbdptr : addr - 0x%08x, val - 0x%08x",
1028 (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr,
1029 in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr));
1030 ugeth_info("ucode RX Prefetched BDs:");
1031 ugeth_info("Base address: 0x%08x",
1032 (u32)
1033 qe_muram_addr(in_be32
1034 (&ugeth->p_rx_bd_qs_tbl[i].
1035 bdbaseptr)));
1036 mem_disp((u8 *)
1037 qe_muram_addr(in_be32
1038 (&ugeth->p_rx_bd_qs_tbl[i].
1039 bdbaseptr)),
Li Yang18a8e862006-10-19 21:07:34 -05001040 sizeof(struct ucc_geth_rx_prefetched_bds));
Li Yangce973b12006-08-14 23:00:11 -07001041 }
1042 }
1043 if (ugeth->p_init_enet_param_shadow) {
1044 int size;
1045 ugeth_info("Init enet param shadow:");
1046 ugeth_info("Base address: 0x%08x",
1047 (u32) ugeth->p_init_enet_param_shadow);
1048 mem_disp((u8 *) ugeth->p_init_enet_param_shadow,
1049 sizeof(*ugeth->p_init_enet_param_shadow));
1050
Li Yang18a8e862006-10-19 21:07:34 -05001051 size = sizeof(struct ucc_geth_thread_rx_pram);
Li Yangce973b12006-08-14 23:00:11 -07001052 if (ugeth->ug_info->rxExtendedFiltering) {
1053 size +=
1054 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
1055 if (ugeth->ug_info->largestexternallookupkeysize ==
1056 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
1057 size +=
1058 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
1059 if (ugeth->ug_info->largestexternallookupkeysize ==
1060 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
1061 size +=
1062 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
1063 }
1064
1065 dump_init_enet_entries(ugeth,
1066 &(ugeth->p_init_enet_param_shadow->
1067 txthread[0]),
1068 ENET_INIT_PARAM_MAX_ENTRIES_TX,
Li Yang18a8e862006-10-19 21:07:34 -05001069 sizeof(struct ucc_geth_thread_tx_pram),
Li Yangce973b12006-08-14 23:00:11 -07001070 ugeth->ug_info->riscTx, 0);
1071 dump_init_enet_entries(ugeth,
1072 &(ugeth->p_init_enet_param_shadow->
1073 rxthread[0]),
1074 ENET_INIT_PARAM_MAX_ENTRIES_RX, size,
1075 ugeth->ug_info->riscRx, 1);
1076 }
1077}
1078#endif /* DEBUG */
1079
Andy Fleming6fee40e2008-05-02 13:01:23 -05001080static void init_default_reg_vals(u32 __iomem *upsmr_register,
1081 u32 __iomem *maccfg1_register,
1082 u32 __iomem *maccfg2_register)
Li Yangce973b12006-08-14 23:00:11 -07001083{
1084 out_be32(upsmr_register, UCC_GETH_UPSMR_INIT);
1085 out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT);
1086 out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT);
1087}
1088
1089static int init_half_duplex_params(int alt_beb,
1090 int back_pressure_no_backoff,
1091 int no_backoff,
1092 int excess_defer,
1093 u8 alt_beb_truncation,
1094 u8 max_retransmissions,
1095 u8 collision_window,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001096 u32 __iomem *hafdup_register)
Li Yangce973b12006-08-14 23:00:11 -07001097{
1098 u32 value = 0;
1099
1100 if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) ||
1101 (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) ||
1102 (collision_window > HALFDUP_COLLISION_WINDOW_MAX))
1103 return -EINVAL;
1104
1105 value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT);
1106
1107 if (alt_beb)
1108 value |= HALFDUP_ALT_BEB;
1109 if (back_pressure_no_backoff)
1110 value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF;
1111 if (no_backoff)
1112 value |= HALFDUP_NO_BACKOFF;
1113 if (excess_defer)
1114 value |= HALFDUP_EXCESSIVE_DEFER;
1115
1116 value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT);
1117
1118 value |= collision_window;
1119
1120 out_be32(hafdup_register, value);
1121 return 0;
1122}
1123
1124static int init_inter_frame_gap_params(u8 non_btb_cs_ipg,
1125 u8 non_btb_ipg,
1126 u8 min_ifg,
1127 u8 btb_ipg,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001128 u32 __iomem *ipgifg_register)
Li Yangce973b12006-08-14 23:00:11 -07001129{
1130 u32 value = 0;
1131
1132 /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back
1133 IPG part 2 */
1134 if (non_btb_cs_ipg > non_btb_ipg)
1135 return -EINVAL;
1136
1137 if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) ||
1138 (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) ||
1139 /*(min_ifg > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */
1140 (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX))
1141 return -EINVAL;
1142
1143 value |=
1144 ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) &
1145 IPGIFG_NBTB_CS_IPG_MASK);
1146 value |=
1147 ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) &
1148 IPGIFG_NBTB_IPG_MASK);
1149 value |=
1150 ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) &
1151 IPGIFG_MIN_IFG_MASK);
1152 value |= (btb_ipg & IPGIFG_BTB_IPG_MASK);
1153
1154 out_be32(ipgifg_register, value);
1155 return 0;
1156}
1157
Li Yangac421852007-07-19 11:47:47 +08001158int init_flow_control_params(u32 automatic_flow_control_mode,
Li Yangce973b12006-08-14 23:00:11 -07001159 int rx_flow_control_enable,
1160 int tx_flow_control_enable,
1161 u16 pause_period,
1162 u16 extension_field,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001163 u32 __iomem *upsmr_register,
1164 u32 __iomem *uempr_register,
1165 u32 __iomem *maccfg1_register)
Li Yangce973b12006-08-14 23:00:11 -07001166{
1167 u32 value = 0;
1168
1169 /* Set UEMPR register */
1170 value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT;
1171 value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT;
1172 out_be32(uempr_register, value);
1173
1174 /* Set UPSMR register */
Timur Tabi3bc53422009-01-11 00:25:21 -08001175 setbits32(upsmr_register, automatic_flow_control_mode);
Li Yangce973b12006-08-14 23:00:11 -07001176
1177 value = in_be32(maccfg1_register);
1178 if (rx_flow_control_enable)
1179 value |= MACCFG1_FLOW_RX;
1180 if (tx_flow_control_enable)
1181 value |= MACCFG1_FLOW_TX;
1182 out_be32(maccfg1_register, value);
1183
1184 return 0;
1185}
1186
1187static int init_hw_statistics_gathering_mode(int enable_hardware_statistics,
1188 int auto_zero_hardware_statistics,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001189 u32 __iomem *upsmr_register,
1190 u16 __iomem *uescr_register)
Li Yangce973b12006-08-14 23:00:11 -07001191{
Li Yangce973b12006-08-14 23:00:11 -07001192 u16 uescr_value = 0;
Timur Tabi3bc53422009-01-11 00:25:21 -08001193
Li Yangce973b12006-08-14 23:00:11 -07001194 /* Enable hardware statistics gathering if requested */
Timur Tabi3bc53422009-01-11 00:25:21 -08001195 if (enable_hardware_statistics)
1196 setbits32(upsmr_register, UCC_GETH_UPSMR_HSE);
Li Yangce973b12006-08-14 23:00:11 -07001197
1198 /* Clear hardware statistics counters */
1199 uescr_value = in_be16(uescr_register);
1200 uescr_value |= UESCR_CLRCNT;
1201 /* Automatically zero hardware statistics counters on read,
1202 if requested */
1203 if (auto_zero_hardware_statistics)
1204 uescr_value |= UESCR_AUTOZ;
1205 out_be16(uescr_register, uescr_value);
1206
1207 return 0;
1208}
1209
1210static int init_firmware_statistics_gathering_mode(int
1211 enable_tx_firmware_statistics,
1212 int enable_rx_firmware_statistics,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001213 u32 __iomem *tx_rmon_base_ptr,
Li Yangce973b12006-08-14 23:00:11 -07001214 u32 tx_firmware_statistics_structure_address,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001215 u32 __iomem *rx_rmon_base_ptr,
Li Yangce973b12006-08-14 23:00:11 -07001216 u32 rx_firmware_statistics_structure_address,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001217 u16 __iomem *temoder_register,
1218 u32 __iomem *remoder_register)
Li Yangce973b12006-08-14 23:00:11 -07001219{
1220 /* Note: this function does not check if */
1221 /* the parameters it receives are NULL */
Li Yangce973b12006-08-14 23:00:11 -07001222
1223 if (enable_tx_firmware_statistics) {
1224 out_be32(tx_rmon_base_ptr,
1225 tx_firmware_statistics_structure_address);
Timur Tabi3bc53422009-01-11 00:25:21 -08001226 setbits16(temoder_register, TEMODER_TX_RMON_STATISTICS_ENABLE);
Li Yangce973b12006-08-14 23:00:11 -07001227 }
1228
1229 if (enable_rx_firmware_statistics) {
1230 out_be32(rx_rmon_base_ptr,
1231 rx_firmware_statistics_structure_address);
Timur Tabi3bc53422009-01-11 00:25:21 -08001232 setbits32(remoder_register, REMODER_RX_RMON_STATISTICS_ENABLE);
Li Yangce973b12006-08-14 23:00:11 -07001233 }
1234
1235 return 0;
1236}
1237
1238static int init_mac_station_addr_regs(u8 address_byte_0,
1239 u8 address_byte_1,
1240 u8 address_byte_2,
1241 u8 address_byte_3,
1242 u8 address_byte_4,
1243 u8 address_byte_5,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001244 u32 __iomem *macstnaddr1_register,
1245 u32 __iomem *macstnaddr2_register)
Li Yangce973b12006-08-14 23:00:11 -07001246{
1247 u32 value = 0;
1248
1249 /* Example: for a station address of 0x12345678ABCD, */
1250 /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */
1251
1252 /* MACSTNADDR1 Register: */
1253
1254 /* 0 7 8 15 */
1255 /* station address byte 5 station address byte 4 */
1256 /* 16 23 24 31 */
1257 /* station address byte 3 station address byte 2 */
1258 value |= (u32) ((address_byte_2 << 0) & 0x000000FF);
1259 value |= (u32) ((address_byte_3 << 8) & 0x0000FF00);
1260 value |= (u32) ((address_byte_4 << 16) & 0x00FF0000);
1261 value |= (u32) ((address_byte_5 << 24) & 0xFF000000);
1262
1263 out_be32(macstnaddr1_register, value);
1264
1265 /* MACSTNADDR2 Register: */
1266
1267 /* 0 7 8 15 */
1268 /* station address byte 1 station address byte 0 */
1269 /* 16 23 24 31 */
1270 /* reserved reserved */
1271 value = 0;
1272 value |= (u32) ((address_byte_0 << 16) & 0x00FF0000);
1273 value |= (u32) ((address_byte_1 << 24) & 0xFF000000);
1274
1275 out_be32(macstnaddr2_register, value);
1276
1277 return 0;
1278}
1279
Li Yangce973b12006-08-14 23:00:11 -07001280static int init_check_frame_length_mode(int length_check,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001281 u32 __iomem *maccfg2_register)
Li Yangce973b12006-08-14 23:00:11 -07001282{
1283 u32 value = 0;
1284
1285 value = in_be32(maccfg2_register);
1286
1287 if (length_check)
1288 value |= MACCFG2_LC;
1289 else
1290 value &= ~MACCFG2_LC;
1291
1292 out_be32(maccfg2_register, value);
1293 return 0;
1294}
1295
1296static int init_preamble_length(u8 preamble_length,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001297 u32 __iomem *maccfg2_register)
Li Yangce973b12006-08-14 23:00:11 -07001298{
Li Yangce973b12006-08-14 23:00:11 -07001299 if ((preamble_length < 3) || (preamble_length > 7))
1300 return -EINVAL;
1301
Timur Tabi3bc53422009-01-11 00:25:21 -08001302 clrsetbits_be32(maccfg2_register, MACCFG2_PREL_MASK,
1303 preamble_length << MACCFG2_PREL_SHIFT);
1304
Li Yangce973b12006-08-14 23:00:11 -07001305 return 0;
1306}
1307
Li Yangce973b12006-08-14 23:00:11 -07001308static int init_rx_parameters(int reject_broadcast,
1309 int receive_short_frames,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001310 int promiscuous, u32 __iomem *upsmr_register)
Li Yangce973b12006-08-14 23:00:11 -07001311{
1312 u32 value = 0;
1313
1314 value = in_be32(upsmr_register);
1315
1316 if (reject_broadcast)
Timur Tabi3bc53422009-01-11 00:25:21 -08001317 value |= UCC_GETH_UPSMR_BRO;
Li Yangce973b12006-08-14 23:00:11 -07001318 else
Timur Tabi3bc53422009-01-11 00:25:21 -08001319 value &= ~UCC_GETH_UPSMR_BRO;
Li Yangce973b12006-08-14 23:00:11 -07001320
1321 if (receive_short_frames)
Timur Tabi3bc53422009-01-11 00:25:21 -08001322 value |= UCC_GETH_UPSMR_RSH;
Li Yangce973b12006-08-14 23:00:11 -07001323 else
Timur Tabi3bc53422009-01-11 00:25:21 -08001324 value &= ~UCC_GETH_UPSMR_RSH;
Li Yangce973b12006-08-14 23:00:11 -07001325
1326 if (promiscuous)
Timur Tabi3bc53422009-01-11 00:25:21 -08001327 value |= UCC_GETH_UPSMR_PRO;
Li Yangce973b12006-08-14 23:00:11 -07001328 else
Timur Tabi3bc53422009-01-11 00:25:21 -08001329 value &= ~UCC_GETH_UPSMR_PRO;
Li Yangce973b12006-08-14 23:00:11 -07001330
1331 out_be32(upsmr_register, value);
1332
1333 return 0;
1334}
1335
1336static int init_max_rx_buff_len(u16 max_rx_buf_len,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001337 u16 __iomem *mrblr_register)
Li Yangce973b12006-08-14 23:00:11 -07001338{
1339 /* max_rx_buf_len value must be a multiple of 128 */
1340 if ((max_rx_buf_len == 0)
1341 || (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT))
1342 return -EINVAL;
1343
1344 out_be16(mrblr_register, max_rx_buf_len);
1345 return 0;
1346}
1347
1348static int init_min_frame_len(u16 min_frame_length,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001349 u16 __iomem *minflr_register,
1350 u16 __iomem *mrblr_register)
Li Yangce973b12006-08-14 23:00:11 -07001351{
1352 u16 mrblr_value = 0;
1353
1354 mrblr_value = in_be16(mrblr_register);
1355 if (min_frame_length >= (mrblr_value - 4))
1356 return -EINVAL;
1357
1358 out_be16(minflr_register, min_frame_length);
1359 return 0;
1360}
1361
Li Yang18a8e862006-10-19 21:07:34 -05001362static int adjust_enet_interface(struct ucc_geth_private *ugeth)
Li Yangce973b12006-08-14 23:00:11 -07001363{
Li Yang18a8e862006-10-19 21:07:34 -05001364 struct ucc_geth_info *ug_info;
Andy Fleming6fee40e2008-05-02 13:01:23 -05001365 struct ucc_geth __iomem *ug_regs;
1366 struct ucc_fast __iomem *uf_regs;
Kim Phillips728de4c92007-04-13 01:26:03 -05001367 int ret_val;
1368 u32 upsmr, maccfg2, tbiBaseAddress;
Li Yangce973b12006-08-14 23:00:11 -07001369 u16 value;
1370
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07001371 ugeth_vdbg("%s: IN", __func__);
Li Yangce973b12006-08-14 23:00:11 -07001372
1373 ug_info = ugeth->ug_info;
1374 ug_regs = ugeth->ug_regs;
1375 uf_regs = ugeth->uccf->uf_regs;
1376
Li Yangce973b12006-08-14 23:00:11 -07001377 /* Set MACCFG2 */
1378 maccfg2 = in_be32(&ug_regs->maccfg2);
1379 maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK;
Kim Phillips728de4c92007-04-13 01:26:03 -05001380 if ((ugeth->max_speed == SPEED_10) ||
1381 (ugeth->max_speed == SPEED_100))
Li Yangce973b12006-08-14 23:00:11 -07001382 maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE;
Kim Phillips728de4c92007-04-13 01:26:03 -05001383 else if (ugeth->max_speed == SPEED_1000)
Li Yangce973b12006-08-14 23:00:11 -07001384 maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE;
1385 maccfg2 |= ug_info->padAndCrc;
1386 out_be32(&ug_regs->maccfg2, maccfg2);
1387
1388 /* Set UPSMR */
1389 upsmr = in_be32(&uf_regs->upsmr);
Timur Tabi3bc53422009-01-11 00:25:21 -08001390 upsmr &= ~(UCC_GETH_UPSMR_RPM | UCC_GETH_UPSMR_R10M |
1391 UCC_GETH_UPSMR_TBIM | UCC_GETH_UPSMR_RMM);
Kim Phillips728de4c92007-04-13 01:26:03 -05001392 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1393 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1394 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
Kim Phillipsbd0ceaa2007-11-26 16:17:58 -06001395 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1396 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
Kim Phillips728de4c92007-04-13 01:26:03 -05001397 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
Timur Tabi3bc53422009-01-11 00:25:21 -08001398 upsmr |= UCC_GETH_UPSMR_RPM;
Kim Phillips728de4c92007-04-13 01:26:03 -05001399 switch (ugeth->max_speed) {
1400 case SPEED_10:
Timur Tabi3bc53422009-01-11 00:25:21 -08001401 upsmr |= UCC_GETH_UPSMR_R10M;
Kim Phillips728de4c92007-04-13 01:26:03 -05001402 /* FALLTHROUGH */
1403 case SPEED_100:
1404 if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI)
Timur Tabi3bc53422009-01-11 00:25:21 -08001405 upsmr |= UCC_GETH_UPSMR_RMM;
Kim Phillips728de4c92007-04-13 01:26:03 -05001406 }
1407 }
1408 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1409 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
Timur Tabi3bc53422009-01-11 00:25:21 -08001410 upsmr |= UCC_GETH_UPSMR_TBIM;
Kim Phillips728de4c92007-04-13 01:26:03 -05001411 }
Li Yangce973b12006-08-14 23:00:11 -07001412 out_be32(&uf_regs->upsmr, upsmr);
1413
Li Yangce973b12006-08-14 23:00:11 -07001414 /* Disable autonegotiation in tbi mode, because by default it
1415 comes up in autonegotiation mode. */
1416 /* Note that this depends on proper setting in utbipar register. */
Kim Phillips728de4c92007-04-13 01:26:03 -05001417 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) ||
1418 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
Li Yangce973b12006-08-14 23:00:11 -07001419 tbiBaseAddress = in_be32(&ug_regs->utbipar);
1420 tbiBaseAddress &= UTBIPAR_PHY_ADDRESS_MASK;
1421 tbiBaseAddress >>= UTBIPAR_PHY_ADDRESS_SHIFT;
Kim Phillips728de4c92007-04-13 01:26:03 -05001422 value = ugeth->phydev->bus->read(ugeth->phydev->bus,
1423 (u8) tbiBaseAddress, ENET_TBI_MII_CR);
Li Yangce973b12006-08-14 23:00:11 -07001424 value &= ~0x1000; /* Turn off autonegotiation */
Kim Phillips728de4c92007-04-13 01:26:03 -05001425 ugeth->phydev->bus->write(ugeth->phydev->bus,
1426 (u8) tbiBaseAddress, ENET_TBI_MII_CR, value);
Li Yangce973b12006-08-14 23:00:11 -07001427 }
1428
1429 init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);
1430
1431 ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2);
1432 if (ret_val != 0) {
Li Yang890de952007-07-19 11:48:29 +08001433 if (netif_msg_probe(ugeth))
1434 ugeth_err("%s: Preamble length must be between 3 and 7 inclusive.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07001435 __func__);
Li Yangce973b12006-08-14 23:00:11 -07001436 return ret_val;
1437 }
1438
1439 return 0;
1440}
1441
1442/* Called every time the controller might need to be made
1443 * aware of new link state. The PHY code conveys this
1444 * information through variables in the ugeth structure, and this
1445 * function converts those variables into the appropriate
1446 * register values, and can bring down the device if needed.
1447 */
Kim Phillips728de4c92007-04-13 01:26:03 -05001448
Li Yangce973b12006-08-14 23:00:11 -07001449static void adjust_link(struct net_device *dev)
1450{
Li Yang18a8e862006-10-19 21:07:34 -05001451 struct ucc_geth_private *ugeth = netdev_priv(dev);
Andy Fleming6fee40e2008-05-02 13:01:23 -05001452 struct ucc_geth __iomem *ug_regs;
1453 struct ucc_fast __iomem *uf_regs;
Kim Phillips728de4c92007-04-13 01:26:03 -05001454 struct phy_device *phydev = ugeth->phydev;
1455 unsigned long flags;
1456 int new_state = 0;
Li Yangce973b12006-08-14 23:00:11 -07001457
1458 ug_regs = ugeth->ug_regs;
Kim Phillips728de4c92007-04-13 01:26:03 -05001459 uf_regs = ugeth->uccf->uf_regs;
Li Yangce973b12006-08-14 23:00:11 -07001460
Kim Phillips728de4c92007-04-13 01:26:03 -05001461 spin_lock_irqsave(&ugeth->lock, flags);
1462
1463 if (phydev->link) {
1464 u32 tempval = in_be32(&ug_regs->maccfg2);
1465 u32 upsmr = in_be32(&uf_regs->upsmr);
Li Yangce973b12006-08-14 23:00:11 -07001466 /* Now we make sure that we can be in full duplex mode.
1467 * If not, we operate in half-duplex mode. */
Kim Phillips728de4c92007-04-13 01:26:03 -05001468 if (phydev->duplex != ugeth->oldduplex) {
1469 new_state = 1;
1470 if (!(phydev->duplex))
Li Yangce973b12006-08-14 23:00:11 -07001471 tempval &= ~(MACCFG2_FDX);
Kim Phillips728de4c92007-04-13 01:26:03 -05001472 else
Li Yangce973b12006-08-14 23:00:11 -07001473 tempval |= MACCFG2_FDX;
Kim Phillips728de4c92007-04-13 01:26:03 -05001474 ugeth->oldduplex = phydev->duplex;
Li Yangce973b12006-08-14 23:00:11 -07001475 }
1476
Kim Phillips728de4c92007-04-13 01:26:03 -05001477 if (phydev->speed != ugeth->oldspeed) {
1478 new_state = 1;
1479 switch (phydev->speed) {
1480 case SPEED_1000:
1481 tempval = ((tempval &
1482 ~(MACCFG2_INTERFACE_MODE_MASK)) |
1483 MACCFG2_INTERFACE_MODE_BYTE);
Li Yangce973b12006-08-14 23:00:11 -07001484 break;
Kim Phillips728de4c92007-04-13 01:26:03 -05001485 case SPEED_100:
1486 case SPEED_10:
1487 tempval = ((tempval &
1488 ~(MACCFG2_INTERFACE_MODE_MASK)) |
1489 MACCFG2_INTERFACE_MODE_NIBBLE);
1490 /* if reduced mode, re-set UPSMR.R10M */
1491 if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) ||
1492 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) ||
1493 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) ||
Kim Phillipsbd0ceaa2007-11-26 16:17:58 -06001494 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
1495 (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
Kim Phillips728de4c92007-04-13 01:26:03 -05001496 (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) {
1497 if (phydev->speed == SPEED_10)
Timur Tabi3bc53422009-01-11 00:25:21 -08001498 upsmr |= UCC_GETH_UPSMR_R10M;
Kim Phillips728de4c92007-04-13 01:26:03 -05001499 else
Timur Tabi3bc53422009-01-11 00:25:21 -08001500 upsmr &= ~UCC_GETH_UPSMR_R10M;
Kim Phillips728de4c92007-04-13 01:26:03 -05001501 }
Li Yangce973b12006-08-14 23:00:11 -07001502 break;
1503 default:
Kim Phillips728de4c92007-04-13 01:26:03 -05001504 if (netif_msg_link(ugeth))
1505 ugeth_warn(
1506 "%s: Ack! Speed (%d) is not 10/100/1000!",
1507 dev->name, phydev->speed);
Li Yangce973b12006-08-14 23:00:11 -07001508 break;
1509 }
Kim Phillips728de4c92007-04-13 01:26:03 -05001510 ugeth->oldspeed = phydev->speed;
Li Yangce973b12006-08-14 23:00:11 -07001511 }
1512
Kim Phillips728de4c92007-04-13 01:26:03 -05001513 out_be32(&ug_regs->maccfg2, tempval);
1514 out_be32(&uf_regs->upsmr, upsmr);
1515
Li Yangce973b12006-08-14 23:00:11 -07001516 if (!ugeth->oldlink) {
Kim Phillips728de4c92007-04-13 01:26:03 -05001517 new_state = 1;
Li Yangce973b12006-08-14 23:00:11 -07001518 ugeth->oldlink = 1;
Li Yangce973b12006-08-14 23:00:11 -07001519 }
Kim Phillips728de4c92007-04-13 01:26:03 -05001520 } else if (ugeth->oldlink) {
1521 new_state = 1;
Li Yangce973b12006-08-14 23:00:11 -07001522 ugeth->oldlink = 0;
1523 ugeth->oldspeed = 0;
1524 ugeth->oldduplex = -1;
Li Yangce973b12006-08-14 23:00:11 -07001525 }
Kim Phillips728de4c92007-04-13 01:26:03 -05001526
1527 if (new_state && netif_msg_link(ugeth))
1528 phy_print_status(phydev);
1529
1530 spin_unlock_irqrestore(&ugeth->lock, flags);
Li Yangce973b12006-08-14 23:00:11 -07001531}
1532
1533/* Configure the PHY for dev.
1534 * returns 0 if success. -1 if failure
1535 */
1536static int init_phy(struct net_device *dev)
1537{
Kim Phillips728de4c92007-04-13 01:26:03 -05001538 struct ucc_geth_private *priv = netdev_priv(dev);
1539 struct phy_device *phydev;
1540 char phy_id[BUS_ID_SIZE];
Li Yangce973b12006-08-14 23:00:11 -07001541
Kim Phillips728de4c92007-04-13 01:26:03 -05001542 priv->oldlink = 0;
1543 priv->oldspeed = 0;
1544 priv->oldduplex = -1;
Li Yangce973b12006-08-14 23:00:11 -07001545
Kay Sieversfb28ad32008-11-10 13:55:14 -08001546 snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, priv->ug_info->mdio_bus,
1547 priv->ug_info->phy_address);
Li Yangce973b12006-08-14 23:00:11 -07001548
Kim Phillips728de4c92007-04-13 01:26:03 -05001549 phydev = phy_connect(dev, phy_id, &adjust_link, 0, priv->phy_interface);
Li Yangce973b12006-08-14 23:00:11 -07001550
Kim Phillips728de4c92007-04-13 01:26:03 -05001551 if (IS_ERR(phydev)) {
1552 printk("%s: Could not attach to PHY\n", dev->name);
1553 return PTR_ERR(phydev);
Li Yangce973b12006-08-14 23:00:11 -07001554 }
1555
Kim Phillips728de4c92007-04-13 01:26:03 -05001556 phydev->supported &= (ADVERTISED_10baseT_Half |
Li Yangce973b12006-08-14 23:00:11 -07001557 ADVERTISED_10baseT_Full |
1558 ADVERTISED_100baseT_Half |
Kim Phillips728de4c92007-04-13 01:26:03 -05001559 ADVERTISED_100baseT_Full);
Li Yangce973b12006-08-14 23:00:11 -07001560
Kim Phillips728de4c92007-04-13 01:26:03 -05001561 if (priv->max_speed == SPEED_1000)
1562 phydev->supported |= ADVERTISED_1000baseT_Full;
Li Yangce973b12006-08-14 23:00:11 -07001563
Kim Phillips728de4c92007-04-13 01:26:03 -05001564 phydev->advertising = phydev->supported;
Li Yangce973b12006-08-14 23:00:11 -07001565
Kim Phillips728de4c92007-04-13 01:26:03 -05001566 priv->phydev = phydev;
Li Yangce973b12006-08-14 23:00:11 -07001567
1568 return 0;
Li Yangce973b12006-08-14 23:00:11 -07001569}
1570
Kim Phillips728de4c92007-04-13 01:26:03 -05001571
Li Yangce973b12006-08-14 23:00:11 -07001572
Li Yang18a8e862006-10-19 21:07:34 -05001573static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
Li Yangce973b12006-08-14 23:00:11 -07001574{
Li Yang18a8e862006-10-19 21:07:34 -05001575 struct ucc_fast_private *uccf;
Li Yangce973b12006-08-14 23:00:11 -07001576 u32 cecr_subblock;
1577 u32 temp;
Anton Vorontsovb3431c62008-12-18 08:23:22 +00001578 int i = 10;
Li Yangce973b12006-08-14 23:00:11 -07001579
1580 uccf = ugeth->uccf;
1581
1582 /* Mask GRACEFUL STOP TX interrupt bit and clear it */
Timur Tabi3bc53422009-01-11 00:25:21 -08001583 clrbits32(uccf->p_uccm, UCC_GETH_UCCE_GRA);
1584 out_be32(uccf->p_ucce, UCC_GETH_UCCE_GRA); /* clear by writing 1 */
Li Yangce973b12006-08-14 23:00:11 -07001585
1586 /* Issue host command */
1587 cecr_subblock =
1588 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
1589 qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock,
Li Yang18a8e862006-10-19 21:07:34 -05001590 QE_CR_PROTOCOL_ETHERNET, 0);
Li Yangce973b12006-08-14 23:00:11 -07001591
1592 /* Wait for command to complete */
1593 do {
Anton Vorontsovb3431c62008-12-18 08:23:22 +00001594 msleep(10);
Li Yangce973b12006-08-14 23:00:11 -07001595 temp = in_be32(uccf->p_ucce);
Timur Tabi3bc53422009-01-11 00:25:21 -08001596 } while (!(temp & UCC_GETH_UCCE_GRA) && --i);
Li Yangce973b12006-08-14 23:00:11 -07001597
1598 uccf->stopped_tx = 1;
1599
1600 return 0;
1601}
1602
Li Yang18a8e862006-10-19 21:07:34 -05001603static int ugeth_graceful_stop_rx(struct ucc_geth_private * ugeth)
Li Yangce973b12006-08-14 23:00:11 -07001604{
Li Yang18a8e862006-10-19 21:07:34 -05001605 struct ucc_fast_private *uccf;
Li Yangce973b12006-08-14 23:00:11 -07001606 u32 cecr_subblock;
1607 u8 temp;
Anton Vorontsovb3431c62008-12-18 08:23:22 +00001608 int i = 10;
Li Yangce973b12006-08-14 23:00:11 -07001609
1610 uccf = ugeth->uccf;
1611
1612 /* Clear acknowledge bit */
Andy Fleming6fee40e2008-05-02 13:01:23 -05001613 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
Li Yangce973b12006-08-14 23:00:11 -07001614 temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX;
Andy Fleming6fee40e2008-05-02 13:01:23 -05001615 out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp);
Li Yangce973b12006-08-14 23:00:11 -07001616
1617 /* Keep issuing command and checking acknowledge bit until
1618 it is asserted, according to spec */
1619 do {
1620 /* Issue host command */
1621 cecr_subblock =
1622 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.
1623 ucc_num);
1624 qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock,
Li Yang18a8e862006-10-19 21:07:34 -05001625 QE_CR_PROTOCOL_ETHERNET, 0);
Anton Vorontsovb3431c62008-12-18 08:23:22 +00001626 msleep(10);
Andy Fleming6fee40e2008-05-02 13:01:23 -05001627 temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack);
Anton Vorontsovb3431c62008-12-18 08:23:22 +00001628 } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX) && --i);
Li Yangce973b12006-08-14 23:00:11 -07001629
1630 uccf->stopped_rx = 1;
1631
1632 return 0;
1633}
1634
Li Yang18a8e862006-10-19 21:07:34 -05001635static int ugeth_restart_tx(struct ucc_geth_private *ugeth)
Li Yangce973b12006-08-14 23:00:11 -07001636{
Li Yang18a8e862006-10-19 21:07:34 -05001637 struct ucc_fast_private *uccf;
Li Yangce973b12006-08-14 23:00:11 -07001638 u32 cecr_subblock;
1639
1640 uccf = ugeth->uccf;
1641
1642 cecr_subblock =
1643 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
Li Yang18a8e862006-10-19 21:07:34 -05001644 qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0);
Li Yangce973b12006-08-14 23:00:11 -07001645 uccf->stopped_tx = 0;
1646
1647 return 0;
1648}
1649
Li Yang18a8e862006-10-19 21:07:34 -05001650static int ugeth_restart_rx(struct ucc_geth_private *ugeth)
Li Yangce973b12006-08-14 23:00:11 -07001651{
Li Yang18a8e862006-10-19 21:07:34 -05001652 struct ucc_fast_private *uccf;
Li Yangce973b12006-08-14 23:00:11 -07001653 u32 cecr_subblock;
1654
1655 uccf = ugeth->uccf;
1656
1657 cecr_subblock =
1658 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
Li Yang18a8e862006-10-19 21:07:34 -05001659 qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
Li Yangce973b12006-08-14 23:00:11 -07001660 0);
1661 uccf->stopped_rx = 0;
1662
1663 return 0;
1664}
1665
Li Yang18a8e862006-10-19 21:07:34 -05001666static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode)
Li Yangce973b12006-08-14 23:00:11 -07001667{
Li Yang18a8e862006-10-19 21:07:34 -05001668 struct ucc_fast_private *uccf;
Li Yangce973b12006-08-14 23:00:11 -07001669 int enabled_tx, enabled_rx;
1670
1671 uccf = ugeth->uccf;
1672
1673 /* check if the UCC number is in range. */
1674 if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
Li Yang890de952007-07-19 11:48:29 +08001675 if (netif_msg_probe(ugeth))
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07001676 ugeth_err("%s: ucc_num out of range.", __func__);
Li Yangce973b12006-08-14 23:00:11 -07001677 return -EINVAL;
1678 }
1679
1680 enabled_tx = uccf->enabled_tx;
1681 enabled_rx = uccf->enabled_rx;
1682
1683 /* Get Tx and Rx going again, in case this channel was actively
1684 disabled. */
1685 if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx)
1686 ugeth_restart_tx(ugeth);
1687 if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx)
1688 ugeth_restart_rx(ugeth);
1689
1690 ucc_fast_enable(uccf, mode); /* OK to do even if not disabled */
1691
1692 return 0;
1693
1694}
1695
Li Yang18a8e862006-10-19 21:07:34 -05001696static int ugeth_disable(struct ucc_geth_private * ugeth, enum comm_dir mode)
Li Yangce973b12006-08-14 23:00:11 -07001697{
Li Yang18a8e862006-10-19 21:07:34 -05001698 struct ucc_fast_private *uccf;
Li Yangce973b12006-08-14 23:00:11 -07001699
1700 uccf = ugeth->uccf;
1701
1702 /* check if the UCC number is in range. */
1703 if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) {
Li Yang890de952007-07-19 11:48:29 +08001704 if (netif_msg_probe(ugeth))
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07001705 ugeth_err("%s: ucc_num out of range.", __func__);
Li Yangce973b12006-08-14 23:00:11 -07001706 return -EINVAL;
1707 }
1708
1709 /* Stop any transmissions */
1710 if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx)
1711 ugeth_graceful_stop_tx(ugeth);
1712
1713 /* Stop any receptions */
1714 if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx)
1715 ugeth_graceful_stop_rx(ugeth);
1716
1717 ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */
1718
1719 return 0;
1720}
1721
Li Yang18a8e862006-10-19 21:07:34 -05001722static void ugeth_dump_regs(struct ucc_geth_private *ugeth)
Li Yangce973b12006-08-14 23:00:11 -07001723{
1724#ifdef DEBUG
1725 ucc_fast_dump_regs(ugeth->uccf);
1726 dump_regs(ugeth);
1727 dump_bds(ugeth);
1728#endif
1729}
1730
Li Yang18a8e862006-10-19 21:07:34 -05001731static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private *
Li Yangce973b12006-08-14 23:00:11 -07001732 ugeth,
Li Yang18a8e862006-10-19 21:07:34 -05001733 enum enet_addr_type
Li Yangce973b12006-08-14 23:00:11 -07001734 enet_addr_type)
1735{
Andy Fleming6fee40e2008-05-02 13:01:23 -05001736 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
Li Yang18a8e862006-10-19 21:07:34 -05001737 struct ucc_fast_private *uccf;
1738 enum comm_dir comm_dir;
Li Yangce973b12006-08-14 23:00:11 -07001739 struct list_head *p_lh;
1740 u16 i, num;
Andy Fleming6fee40e2008-05-02 13:01:23 -05001741 u32 __iomem *addr_h;
1742 u32 __iomem *addr_l;
Li Yangce973b12006-08-14 23:00:11 -07001743 u8 *p_counter;
1744
1745 uccf = ugeth->uccf;
1746
1747 p_82xx_addr_filt =
Andy Fleming6fee40e2008-05-02 13:01:23 -05001748 (struct ucc_geth_82xx_address_filtering_pram __iomem *)
1749 ugeth->p_rx_glbl_pram->addressfiltering;
Li Yangce973b12006-08-14 23:00:11 -07001750
1751 if (enet_addr_type == ENET_ADDR_TYPE_GROUP) {
1752 addr_h = &(p_82xx_addr_filt->gaddr_h);
1753 addr_l = &(p_82xx_addr_filt->gaddr_l);
1754 p_lh = &ugeth->group_hash_q;
1755 p_counter = &(ugeth->numGroupAddrInHash);
1756 } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) {
1757 addr_h = &(p_82xx_addr_filt->iaddr_h);
1758 addr_l = &(p_82xx_addr_filt->iaddr_l);
1759 p_lh = &ugeth->ind_hash_q;
1760 p_counter = &(ugeth->numIndAddrInHash);
1761 } else
1762 return -EINVAL;
1763
1764 comm_dir = 0;
1765 if (uccf->enabled_tx)
1766 comm_dir |= COMM_DIR_TX;
1767 if (uccf->enabled_rx)
1768 comm_dir |= COMM_DIR_RX;
1769 if (comm_dir)
1770 ugeth_disable(ugeth, comm_dir);
1771
1772 /* Clear the hash table. */
1773 out_be32(addr_h, 0x00000000);
1774 out_be32(addr_l, 0x00000000);
1775
1776 if (!p_lh)
1777 return 0;
1778
1779 num = *p_counter;
1780
1781 /* Delete all remaining CQ elements */
1782 for (i = 0; i < num; i++)
1783 put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh)));
1784
1785 *p_counter = 0;
1786
1787 if (comm_dir)
1788 ugeth_enable(ugeth, comm_dir);
1789
1790 return 0;
1791}
1792
Li Yang18a8e862006-10-19 21:07:34 -05001793static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth,
Li Yangce973b12006-08-14 23:00:11 -07001794 u8 paddr_num)
1795{
1796 ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */
1797 return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */
1798}
1799
Li Yang18a8e862006-10-19 21:07:34 -05001800static void ucc_geth_memclean(struct ucc_geth_private *ugeth)
Li Yangce973b12006-08-14 23:00:11 -07001801{
1802 u16 i, j;
Andy Fleming6fee40e2008-05-02 13:01:23 -05001803 u8 __iomem *bd;
Li Yangce973b12006-08-14 23:00:11 -07001804
1805 if (!ugeth)
1806 return;
1807
Anton Vorontsov80a9fad2008-02-01 16:22:48 +03001808 if (ugeth->uccf) {
Li Yangce973b12006-08-14 23:00:11 -07001809 ucc_fast_free(ugeth->uccf);
Anton Vorontsov80a9fad2008-02-01 16:22:48 +03001810 ugeth->uccf = NULL;
1811 }
Li Yangce973b12006-08-14 23:00:11 -07001812
1813 if (ugeth->p_thread_data_tx) {
1814 qe_muram_free(ugeth->thread_dat_tx_offset);
1815 ugeth->p_thread_data_tx = NULL;
1816 }
1817 if (ugeth->p_thread_data_rx) {
1818 qe_muram_free(ugeth->thread_dat_rx_offset);
1819 ugeth->p_thread_data_rx = NULL;
1820 }
1821 if (ugeth->p_exf_glbl_param) {
1822 qe_muram_free(ugeth->exf_glbl_param_offset);
1823 ugeth->p_exf_glbl_param = NULL;
1824 }
1825 if (ugeth->p_rx_glbl_pram) {
1826 qe_muram_free(ugeth->rx_glbl_pram_offset);
1827 ugeth->p_rx_glbl_pram = NULL;
1828 }
1829 if (ugeth->p_tx_glbl_pram) {
1830 qe_muram_free(ugeth->tx_glbl_pram_offset);
1831 ugeth->p_tx_glbl_pram = NULL;
1832 }
1833 if (ugeth->p_send_q_mem_reg) {
1834 qe_muram_free(ugeth->send_q_mem_reg_offset);
1835 ugeth->p_send_q_mem_reg = NULL;
1836 }
1837 if (ugeth->p_scheduler) {
1838 qe_muram_free(ugeth->scheduler_offset);
1839 ugeth->p_scheduler = NULL;
1840 }
1841 if (ugeth->p_tx_fw_statistics_pram) {
1842 qe_muram_free(ugeth->tx_fw_statistics_pram_offset);
1843 ugeth->p_tx_fw_statistics_pram = NULL;
1844 }
1845 if (ugeth->p_rx_fw_statistics_pram) {
1846 qe_muram_free(ugeth->rx_fw_statistics_pram_offset);
1847 ugeth->p_rx_fw_statistics_pram = NULL;
1848 }
1849 if (ugeth->p_rx_irq_coalescing_tbl) {
1850 qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset);
1851 ugeth->p_rx_irq_coalescing_tbl = NULL;
1852 }
1853 if (ugeth->p_rx_bd_qs_tbl) {
1854 qe_muram_free(ugeth->rx_bd_qs_tbl_offset);
1855 ugeth->p_rx_bd_qs_tbl = NULL;
1856 }
1857 if (ugeth->p_init_enet_param_shadow) {
1858 return_init_enet_entries(ugeth,
1859 &(ugeth->p_init_enet_param_shadow->
1860 rxthread[0]),
1861 ENET_INIT_PARAM_MAX_ENTRIES_RX,
1862 ugeth->ug_info->riscRx, 1);
1863 return_init_enet_entries(ugeth,
1864 &(ugeth->p_init_enet_param_shadow->
1865 txthread[0]),
1866 ENET_INIT_PARAM_MAX_ENTRIES_TX,
1867 ugeth->ug_info->riscTx, 0);
1868 kfree(ugeth->p_init_enet_param_shadow);
1869 ugeth->p_init_enet_param_shadow = NULL;
1870 }
1871 for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) {
1872 bd = ugeth->p_tx_bd_ring[i];
Nicu Ioan Petru3a8205e2007-04-13 01:26:29 -05001873 if (!bd)
1874 continue;
Li Yangce973b12006-08-14 23:00:11 -07001875 for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) {
1876 if (ugeth->tx_skbuff[i][j]) {
Andy Fleming7f802022008-05-15 17:00:21 -05001877 dma_unmap_single(&ugeth->dev->dev,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001878 in_be32(&((struct qe_bd __iomem *)bd)->buf),
1879 (in_be32((u32 __iomem *)bd) &
Li Yangce973b12006-08-14 23:00:11 -07001880 BD_LENGTH_MASK),
1881 DMA_TO_DEVICE);
1882 dev_kfree_skb_any(ugeth->tx_skbuff[i][j]);
1883 ugeth->tx_skbuff[i][j] = NULL;
1884 }
1885 }
1886
1887 kfree(ugeth->tx_skbuff[i]);
1888
1889 if (ugeth->p_tx_bd_ring[i]) {
1890 if (ugeth->ug_info->uf_info.bd_mem_part ==
1891 MEM_PART_SYSTEM)
1892 kfree((void *)ugeth->tx_bd_ring_offset[i]);
1893 else if (ugeth->ug_info->uf_info.bd_mem_part ==
1894 MEM_PART_MURAM)
1895 qe_muram_free(ugeth->tx_bd_ring_offset[i]);
1896 ugeth->p_tx_bd_ring[i] = NULL;
1897 }
1898 }
1899 for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) {
1900 if (ugeth->p_rx_bd_ring[i]) {
1901 /* Return existing data buffers in ring */
1902 bd = ugeth->p_rx_bd_ring[i];
1903 for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) {
1904 if (ugeth->rx_skbuff[i][j]) {
Andy Fleming7f802022008-05-15 17:00:21 -05001905 dma_unmap_single(&ugeth->dev->dev,
Andy Fleming6fee40e2008-05-02 13:01:23 -05001906 in_be32(&((struct qe_bd __iomem *)bd)->buf),
Li Yang18a8e862006-10-19 21:07:34 -05001907 ugeth->ug_info->
1908 uf_info.max_rx_buf_length +
1909 UCC_GETH_RX_DATA_BUF_ALIGNMENT,
1910 DMA_FROM_DEVICE);
1911 dev_kfree_skb_any(
1912 ugeth->rx_skbuff[i][j]);
Li Yangce973b12006-08-14 23:00:11 -07001913 ugeth->rx_skbuff[i][j] = NULL;
1914 }
Li Yang18a8e862006-10-19 21:07:34 -05001915 bd += sizeof(struct qe_bd);
Li Yangce973b12006-08-14 23:00:11 -07001916 }
1917
1918 kfree(ugeth->rx_skbuff[i]);
1919
1920 if (ugeth->ug_info->uf_info.bd_mem_part ==
1921 MEM_PART_SYSTEM)
1922 kfree((void *)ugeth->rx_bd_ring_offset[i]);
1923 else if (ugeth->ug_info->uf_info.bd_mem_part ==
1924 MEM_PART_MURAM)
1925 qe_muram_free(ugeth->rx_bd_ring_offset[i]);
1926 ugeth->p_rx_bd_ring[i] = NULL;
1927 }
1928 }
1929 while (!list_empty(&ugeth->group_hash_q))
1930 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
1931 (dequeue(&ugeth->group_hash_q)));
1932 while (!list_empty(&ugeth->ind_hash_q))
1933 put_enet_addr_container(ENET_ADDR_CONT_ENTRY
1934 (dequeue(&ugeth->ind_hash_q)));
Anton Vorontsov3e73fc92008-12-18 08:23:33 +00001935 if (ugeth->ug_regs) {
1936 iounmap(ugeth->ug_regs);
1937 ugeth->ug_regs = NULL;
1938 }
Li Yangce973b12006-08-14 23:00:11 -07001939}
1940
1941static void ucc_geth_set_multi(struct net_device *dev)
1942{
Li Yang18a8e862006-10-19 21:07:34 -05001943 struct ucc_geth_private *ugeth;
Li Yangce973b12006-08-14 23:00:11 -07001944 struct dev_mc_list *dmi;
Andy Fleming6fee40e2008-05-02 13:01:23 -05001945 struct ucc_fast __iomem *uf_regs;
1946 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
Joakim Tjernlund9030b3d2007-10-17 11:05:41 +02001947 int i;
Li Yangce973b12006-08-14 23:00:11 -07001948
1949 ugeth = netdev_priv(dev);
1950
1951 uf_regs = ugeth->uccf->uf_regs;
1952
1953 if (dev->flags & IFF_PROMISC) {
Timur Tabi3bc53422009-01-11 00:25:21 -08001954 setbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO);
Li Yangce973b12006-08-14 23:00:11 -07001955 } else {
Timur Tabi3bc53422009-01-11 00:25:21 -08001956 clrbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO);
Li Yangce973b12006-08-14 23:00:11 -07001957
1958 p_82xx_addr_filt =
Andy Fleming6fee40e2008-05-02 13:01:23 -05001959 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
Li Yangce973b12006-08-14 23:00:11 -07001960 p_rx_glbl_pram->addressfiltering;
1961
1962 if (dev->flags & IFF_ALLMULTI) {
1963 /* Catch all multicast addresses, so set the
1964 * filter to all 1's.
1965 */
1966 out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff);
1967 out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff);
1968 } else {
1969 /* Clear filter and add the addresses in the list.
1970 */
1971 out_be32(&p_82xx_addr_filt->gaddr_h, 0x0);
1972 out_be32(&p_82xx_addr_filt->gaddr_l, 0x0);
1973
1974 dmi = dev->mc_list;
1975
1976 for (i = 0; i < dev->mc_count; i++, dmi = dmi->next) {
1977
1978 /* Only support group multicast for now.
1979 */
1980 if (!(dmi->dmi_addr[0] & 1))
1981 continue;
1982
Li Yangce973b12006-08-14 23:00:11 -07001983 /* Ask CPM to run CRC and set bit in
1984 * filter mask.
1985 */
Joakim Tjernlund9030b3d2007-10-17 11:05:41 +02001986 hw_add_addr_in_hash(ugeth, dmi->dmi_addr);
Li Yangce973b12006-08-14 23:00:11 -07001987 }
1988 }
1989 }
1990}
1991
Li Yang18a8e862006-10-19 21:07:34 -05001992static void ucc_geth_stop(struct ucc_geth_private *ugeth)
Li Yangce973b12006-08-14 23:00:11 -07001993{
Andy Fleming6fee40e2008-05-02 13:01:23 -05001994 struct ucc_geth __iomem *ug_regs = ugeth->ug_regs;
Kim Phillips728de4c92007-04-13 01:26:03 -05001995 struct phy_device *phydev = ugeth->phydev;
Li Yangce973b12006-08-14 23:00:11 -07001996
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07001997 ugeth_vdbg("%s: IN", __func__);
Li Yangce973b12006-08-14 23:00:11 -07001998
1999 /* Disable the controller */
2000 ugeth_disable(ugeth, COMM_DIR_RX_AND_TX);
2001
2002 /* Tell the kernel the link is down */
Kim Phillips728de4c92007-04-13 01:26:03 -05002003 phy_stop(phydev);
Li Yangce973b12006-08-14 23:00:11 -07002004
2005 /* Mask all interrupts */
Timur Tabic6f50472007-07-10 07:51:11 -05002006 out_be32(ugeth->uccf->p_uccm, 0x00000000);
Li Yangce973b12006-08-14 23:00:11 -07002007
2008 /* Clear all interrupts */
2009 out_be32(ugeth->uccf->p_ucce, 0xffffffff);
2010
2011 /* Disable Rx and Tx */
Timur Tabi3bc53422009-01-11 00:25:21 -08002012 clrbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
Li Yangce973b12006-08-14 23:00:11 -07002013
Li Yangce973b12006-08-14 23:00:11 -07002014 ucc_geth_memclean(ugeth);
2015}
2016
Kim Phillips728de4c92007-04-13 01:26:03 -05002017static int ucc_struct_init(struct ucc_geth_private *ugeth)
Li Yangce973b12006-08-14 23:00:11 -07002018{
Li Yang18a8e862006-10-19 21:07:34 -05002019 struct ucc_geth_info *ug_info;
2020 struct ucc_fast_info *uf_info;
Kim Phillips728de4c92007-04-13 01:26:03 -05002021 int i;
Li Yangce973b12006-08-14 23:00:11 -07002022
2023 ug_info = ugeth->ug_info;
2024 uf_info = &ug_info->uf_info;
2025
2026 if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) ||
2027 (uf_info->bd_mem_part == MEM_PART_MURAM))) {
Li Yang890de952007-07-19 11:48:29 +08002028 if (netif_msg_probe(ugeth))
2029 ugeth_err("%s: Bad memory partition value.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002030 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002031 return -EINVAL;
2032 }
2033
2034 /* Rx BD lengths */
2035 for (i = 0; i < ug_info->numQueuesRx; i++) {
2036 if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) ||
2037 (ug_info->bdRingLenRx[i] %
2038 UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) {
Li Yang890de952007-07-19 11:48:29 +08002039 if (netif_msg_probe(ugeth))
2040 ugeth_err
2041 ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002042 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002043 return -EINVAL;
2044 }
2045 }
2046
2047 /* Tx BD lengths */
2048 for (i = 0; i < ug_info->numQueuesTx; i++) {
2049 if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) {
Li Yang890de952007-07-19 11:48:29 +08002050 if (netif_msg_probe(ugeth))
2051 ugeth_err
2052 ("%s: Tx BD ring length must be no smaller than 2.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002053 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002054 return -EINVAL;
2055 }
2056 }
2057
2058 /* mrblr */
2059 if ((uf_info->max_rx_buf_length == 0) ||
2060 (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) {
Li Yang890de952007-07-19 11:48:29 +08002061 if (netif_msg_probe(ugeth))
2062 ugeth_err
2063 ("%s: max_rx_buf_length must be non-zero multiple of 128.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002064 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002065 return -EINVAL;
2066 }
2067
2068 /* num Tx queues */
2069 if (ug_info->numQueuesTx > NUM_TX_QUEUES) {
Li Yang890de952007-07-19 11:48:29 +08002070 if (netif_msg_probe(ugeth))
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002071 ugeth_err("%s: number of tx queues too large.", __func__);
Li Yangce973b12006-08-14 23:00:11 -07002072 return -EINVAL;
2073 }
2074
2075 /* num Rx queues */
2076 if (ug_info->numQueuesRx > NUM_RX_QUEUES) {
Li Yang890de952007-07-19 11:48:29 +08002077 if (netif_msg_probe(ugeth))
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002078 ugeth_err("%s: number of rx queues too large.", __func__);
Li Yangce973b12006-08-14 23:00:11 -07002079 return -EINVAL;
2080 }
2081
2082 /* l2qt */
2083 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) {
2084 if (ug_info->l2qt[i] >= ug_info->numQueuesRx) {
Li Yang890de952007-07-19 11:48:29 +08002085 if (netif_msg_probe(ugeth))
2086 ugeth_err
2087 ("%s: VLAN priority table entry must not be"
2088 " larger than number of Rx queues.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002089 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002090 return -EINVAL;
2091 }
2092 }
2093
2094 /* l3qt */
2095 for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) {
2096 if (ug_info->l3qt[i] >= ug_info->numQueuesRx) {
Li Yang890de952007-07-19 11:48:29 +08002097 if (netif_msg_probe(ugeth))
2098 ugeth_err
2099 ("%s: IP priority table entry must not be"
2100 " larger than number of Rx queues.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002101 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002102 return -EINVAL;
2103 }
2104 }
2105
2106 if (ug_info->cam && !ug_info->ecamptr) {
Li Yang890de952007-07-19 11:48:29 +08002107 if (netif_msg_probe(ugeth))
2108 ugeth_err("%s: If cam mode is chosen, must supply cam ptr.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002109 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002110 return -EINVAL;
2111 }
2112
2113 if ((ug_info->numStationAddresses !=
2114 UCC_GETH_NUM_OF_STATION_ADDRESSES_1)
2115 && ug_info->rxExtendedFiltering) {
Li Yang890de952007-07-19 11:48:29 +08002116 if (netif_msg_probe(ugeth))
2117 ugeth_err("%s: Number of station addresses greater than 1 "
2118 "not allowed in extended parsing mode.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002119 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002120 return -EINVAL;
2121 }
2122
2123 /* Generate uccm_mask for receive */
2124 uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */
2125 for (i = 0; i < ug_info->numQueuesRx; i++)
Timur Tabi3bc53422009-01-11 00:25:21 -08002126 uf_info->uccm_mask |= (UCC_GETH_UCCE_RXF0 << i);
Li Yangce973b12006-08-14 23:00:11 -07002127
2128 for (i = 0; i < ug_info->numQueuesTx; i++)
Timur Tabi3bc53422009-01-11 00:25:21 -08002129 uf_info->uccm_mask |= (UCC_GETH_UCCE_TXB0 << i);
Li Yangce973b12006-08-14 23:00:11 -07002130 /* Initialize the general fast UCC block. */
Kim Phillips728de4c92007-04-13 01:26:03 -05002131 if (ucc_fast_init(uf_info, &ugeth->uccf)) {
Li Yang890de952007-07-19 11:48:29 +08002132 if (netif_msg_probe(ugeth))
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002133 ugeth_err("%s: Failed to init uccf.", __func__);
Li Yangce973b12006-08-14 23:00:11 -07002134 return -ENOMEM;
2135 }
Kim Phillips728de4c92007-04-13 01:26:03 -05002136
Anton Vorontsov3e73fc92008-12-18 08:23:33 +00002137 ugeth->ug_regs = ioremap(uf_info->regs, sizeof(*ugeth->ug_regs));
2138 if (!ugeth->ug_regs) {
2139 if (netif_msg_probe(ugeth))
2140 ugeth_err("%s: Failed to ioremap regs.", __func__);
2141 return -ENOMEM;
2142 }
Kim Phillips728de4c92007-04-13 01:26:03 -05002143
2144 return 0;
2145}
2146
2147static int ucc_geth_startup(struct ucc_geth_private *ugeth)
2148{
Andy Fleming6fee40e2008-05-02 13:01:23 -05002149 struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt;
2150 struct ucc_geth_init_pram __iomem *p_init_enet_pram;
Kim Phillips728de4c92007-04-13 01:26:03 -05002151 struct ucc_fast_private *uccf;
2152 struct ucc_geth_info *ug_info;
2153 struct ucc_fast_info *uf_info;
Andy Fleming6fee40e2008-05-02 13:01:23 -05002154 struct ucc_fast __iomem *uf_regs;
2155 struct ucc_geth __iomem *ug_regs;
Kim Phillips728de4c92007-04-13 01:26:03 -05002156 int ret_val = -EINVAL;
2157 u32 remoder = UCC_GETH_REMODER_INIT;
Timur Tabi3bc53422009-01-11 00:25:21 -08002158 u32 init_enet_pram_offset, cecr_subblock, command;
Kim Phillips728de4c92007-04-13 01:26:03 -05002159 u32 ifstat, i, j, size, l2qt, l3qt, length;
2160 u16 temoder = UCC_GETH_TEMODER_INIT;
2161 u16 test;
2162 u8 function_code = 0;
Andy Fleming6fee40e2008-05-02 13:01:23 -05002163 u8 __iomem *bd;
2164 u8 __iomem *endOfRing;
Kim Phillips728de4c92007-04-13 01:26:03 -05002165 u8 numThreadsRxNumerical, numThreadsTxNumerical;
2166
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002167 ugeth_vdbg("%s: IN", __func__);
Kim Phillips728de4c92007-04-13 01:26:03 -05002168 uccf = ugeth->uccf;
2169 ug_info = ugeth->ug_info;
2170 uf_info = &ug_info->uf_info;
2171 uf_regs = uccf->uf_regs;
2172 ug_regs = ugeth->ug_regs;
Li Yangce973b12006-08-14 23:00:11 -07002173
2174 switch (ug_info->numThreadsRx) {
2175 case UCC_GETH_NUM_OF_THREADS_1:
2176 numThreadsRxNumerical = 1;
2177 break;
2178 case UCC_GETH_NUM_OF_THREADS_2:
2179 numThreadsRxNumerical = 2;
2180 break;
2181 case UCC_GETH_NUM_OF_THREADS_4:
2182 numThreadsRxNumerical = 4;
2183 break;
2184 case UCC_GETH_NUM_OF_THREADS_6:
2185 numThreadsRxNumerical = 6;
2186 break;
2187 case UCC_GETH_NUM_OF_THREADS_8:
2188 numThreadsRxNumerical = 8;
2189 break;
2190 default:
Li Yang890de952007-07-19 11:48:29 +08002191 if (netif_msg_ifup(ugeth))
2192 ugeth_err("%s: Bad number of Rx threads value.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002193 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002194 return -EINVAL;
2195 break;
2196 }
2197
2198 switch (ug_info->numThreadsTx) {
2199 case UCC_GETH_NUM_OF_THREADS_1:
2200 numThreadsTxNumerical = 1;
2201 break;
2202 case UCC_GETH_NUM_OF_THREADS_2:
2203 numThreadsTxNumerical = 2;
2204 break;
2205 case UCC_GETH_NUM_OF_THREADS_4:
2206 numThreadsTxNumerical = 4;
2207 break;
2208 case UCC_GETH_NUM_OF_THREADS_6:
2209 numThreadsTxNumerical = 6;
2210 break;
2211 case UCC_GETH_NUM_OF_THREADS_8:
2212 numThreadsTxNumerical = 8;
2213 break;
2214 default:
Li Yang890de952007-07-19 11:48:29 +08002215 if (netif_msg_ifup(ugeth))
2216 ugeth_err("%s: Bad number of Tx threads value.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002217 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002218 return -EINVAL;
2219 break;
2220 }
2221
2222 /* Calculate rx_extended_features */
2223 ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck ||
2224 ug_info->ipAddressAlignment ||
2225 (ug_info->numStationAddresses !=
2226 UCC_GETH_NUM_OF_STATION_ADDRESSES_1);
2227
2228 ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features ||
2229 (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP)
2230 || (ug_info->vlanOperationNonTagged !=
2231 UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP);
2232
Li Yangce973b12006-08-14 23:00:11 -07002233 init_default_reg_vals(&uf_regs->upsmr,
2234 &ug_regs->maccfg1, &ug_regs->maccfg2);
2235
2236 /* Set UPSMR */
2237 /* For more details see the hardware spec. */
2238 init_rx_parameters(ug_info->bro,
2239 ug_info->rsh, ug_info->pro, &uf_regs->upsmr);
2240
2241 /* We're going to ignore other registers for now, */
2242 /* except as needed to get up and running */
2243
2244 /* Set MACCFG1 */
2245 /* For more details see the hardware spec. */
2246 init_flow_control_params(ug_info->aufc,
2247 ug_info->receiveFlowControl,
Li Yangac421852007-07-19 11:47:47 +08002248 ug_info->transmitFlowControl,
Li Yangce973b12006-08-14 23:00:11 -07002249 ug_info->pausePeriod,
2250 ug_info->extensionField,
2251 &uf_regs->upsmr,
2252 &ug_regs->uempr, &ug_regs->maccfg1);
2253
Timur Tabi3bc53422009-01-11 00:25:21 -08002254 setbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
Li Yangce973b12006-08-14 23:00:11 -07002255
2256 /* Set IPGIFG */
2257 /* For more details see the hardware spec. */
2258 ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1,
2259 ug_info->nonBackToBackIfgPart2,
2260 ug_info->
2261 miminumInterFrameGapEnforcement,
2262 ug_info->backToBackInterFrameGap,
2263 &ug_regs->ipgifg);
2264 if (ret_val != 0) {
Li Yang890de952007-07-19 11:48:29 +08002265 if (netif_msg_ifup(ugeth))
2266 ugeth_err("%s: IPGIFG initialization parameter too large.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002267 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002268 return ret_val;
2269 }
2270
2271 /* Set HAFDUP */
2272 /* For more details see the hardware spec. */
2273 ret_val = init_half_duplex_params(ug_info->altBeb,
2274 ug_info->backPressureNoBackoff,
2275 ug_info->noBackoff,
2276 ug_info->excessDefer,
2277 ug_info->altBebTruncation,
2278 ug_info->maxRetransmission,
2279 ug_info->collisionWindow,
2280 &ug_regs->hafdup);
2281 if (ret_val != 0) {
Li Yang890de952007-07-19 11:48:29 +08002282 if (netif_msg_ifup(ugeth))
2283 ugeth_err("%s: Half Duplex initialization parameter too large.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002284 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002285 return ret_val;
2286 }
2287
2288 /* Set IFSTAT */
2289 /* For more details see the hardware spec. */
2290 /* Read only - resets upon read */
2291 ifstat = in_be32(&ug_regs->ifstat);
2292
2293 /* Clear UEMPR */
2294 /* For more details see the hardware spec. */
2295 out_be32(&ug_regs->uempr, 0);
2296
2297 /* Set UESCR */
2298 /* For more details see the hardware spec. */
2299 init_hw_statistics_gathering_mode((ug_info->statisticsMode &
2300 UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE),
2301 0, &uf_regs->upsmr, &ug_regs->uescr);
2302
2303 /* Allocate Tx bds */
2304 for (j = 0; j < ug_info->numQueuesTx; j++) {
2305 /* Allocate in multiple of
2306 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT,
2307 according to spec */
Li Yang18a8e862006-10-19 21:07:34 -05002308 length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd))
Li Yangce973b12006-08-14 23:00:11 -07002309 / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2310 * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
Li Yang18a8e862006-10-19 21:07:34 -05002311 if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) %
Li Yangce973b12006-08-14 23:00:11 -07002312 UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT)
2313 length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT;
2314 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2315 u32 align = 4;
2316 if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4)
2317 align = UCC_GETH_TX_BD_RING_ALIGNMENT;
2318 ugeth->tx_bd_ring_offset[j] =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002319 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
Ahmed S. Darwish04b588d2007-01-27 00:00:02 -08002320
Li Yangce973b12006-08-14 23:00:11 -07002321 if (ugeth->tx_bd_ring_offset[j] != 0)
2322 ugeth->p_tx_bd_ring[j] =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002323 (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] +
Li Yangce973b12006-08-14 23:00:11 -07002324 align) & ~(align - 1));
2325 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2326 ugeth->tx_bd_ring_offset[j] =
2327 qe_muram_alloc(length,
2328 UCC_GETH_TX_BD_RING_ALIGNMENT);
Timur Tabi4c356302007-05-08 14:46:36 -05002329 if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j]))
Li Yangce973b12006-08-14 23:00:11 -07002330 ugeth->p_tx_bd_ring[j] =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002331 (u8 __iomem *) qe_muram_addr(ugeth->
Li Yangce973b12006-08-14 23:00:11 -07002332 tx_bd_ring_offset[j]);
2333 }
2334 if (!ugeth->p_tx_bd_ring[j]) {
Li Yang890de952007-07-19 11:48:29 +08002335 if (netif_msg_ifup(ugeth))
2336 ugeth_err
2337 ("%s: Can not allocate memory for Tx bd rings.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002338 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002339 return -ENOMEM;
2340 }
2341 /* Zero unused end of bd ring, according to spec */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002342 memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] +
2343 ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0,
Li Yang18a8e862006-10-19 21:07:34 -05002344 length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd));
Li Yangce973b12006-08-14 23:00:11 -07002345 }
2346
2347 /* Allocate Rx bds */
2348 for (j = 0; j < ug_info->numQueuesRx; j++) {
Li Yang18a8e862006-10-19 21:07:34 -05002349 length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd);
Li Yangce973b12006-08-14 23:00:11 -07002350 if (uf_info->bd_mem_part == MEM_PART_SYSTEM) {
2351 u32 align = 4;
2352 if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4)
2353 align = UCC_GETH_RX_BD_RING_ALIGNMENT;
2354 ugeth->rx_bd_ring_offset[j] =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002355 (u32) kmalloc((u32) (length + align), GFP_KERNEL);
Li Yangce973b12006-08-14 23:00:11 -07002356 if (ugeth->rx_bd_ring_offset[j] != 0)
2357 ugeth->p_rx_bd_ring[j] =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002358 (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] +
Li Yangce973b12006-08-14 23:00:11 -07002359 align) & ~(align - 1));
2360 } else if (uf_info->bd_mem_part == MEM_PART_MURAM) {
2361 ugeth->rx_bd_ring_offset[j] =
2362 qe_muram_alloc(length,
2363 UCC_GETH_RX_BD_RING_ALIGNMENT);
Timur Tabi4c356302007-05-08 14:46:36 -05002364 if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j]))
Li Yangce973b12006-08-14 23:00:11 -07002365 ugeth->p_rx_bd_ring[j] =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002366 (u8 __iomem *) qe_muram_addr(ugeth->
Li Yangce973b12006-08-14 23:00:11 -07002367 rx_bd_ring_offset[j]);
2368 }
2369 if (!ugeth->p_rx_bd_ring[j]) {
Li Yang890de952007-07-19 11:48:29 +08002370 if (netif_msg_ifup(ugeth))
2371 ugeth_err
2372 ("%s: Can not allocate memory for Rx bd rings.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002373 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002374 return -ENOMEM;
2375 }
2376 }
2377
2378 /* Init Tx bds */
2379 for (j = 0; j < ug_info->numQueuesTx; j++) {
2380 /* Setup the skbuff rings */
Ahmed S. Darwish04b588d2007-01-27 00:00:02 -08002381 ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2382 ugeth->ug_info->bdRingLenTx[j],
2383 GFP_KERNEL);
Li Yangce973b12006-08-14 23:00:11 -07002384
2385 if (ugeth->tx_skbuff[j] == NULL) {
Li Yang890de952007-07-19 11:48:29 +08002386 if (netif_msg_ifup(ugeth))
2387 ugeth_err("%s: Could not allocate tx_skbuff",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002388 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002389 return -ENOMEM;
2390 }
2391
2392 for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++)
2393 ugeth->tx_skbuff[j][i] = NULL;
2394
2395 ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0;
2396 bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j];
2397 for (i = 0; i < ug_info->bdRingLenTx[j]; i++) {
Li Yang18a8e862006-10-19 21:07:34 -05002398 /* clear bd buffer */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002399 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
Li Yang18a8e862006-10-19 21:07:34 -05002400 /* set bd status and length */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002401 out_be32((u32 __iomem *)bd, 0);
Li Yang18a8e862006-10-19 21:07:34 -05002402 bd += sizeof(struct qe_bd);
Li Yangce973b12006-08-14 23:00:11 -07002403 }
Li Yang18a8e862006-10-19 21:07:34 -05002404 bd -= sizeof(struct qe_bd);
2405 /* set bd status and length */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002406 out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */
Li Yangce973b12006-08-14 23:00:11 -07002407 }
2408
2409 /* Init Rx bds */
2410 for (j = 0; j < ug_info->numQueuesRx; j++) {
2411 /* Setup the skbuff rings */
Ahmed S. Darwish04b588d2007-01-27 00:00:02 -08002412 ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) *
2413 ugeth->ug_info->bdRingLenRx[j],
2414 GFP_KERNEL);
Li Yangce973b12006-08-14 23:00:11 -07002415
2416 if (ugeth->rx_skbuff[j] == NULL) {
Li Yang890de952007-07-19 11:48:29 +08002417 if (netif_msg_ifup(ugeth))
2418 ugeth_err("%s: Could not allocate rx_skbuff",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002419 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002420 return -ENOMEM;
2421 }
2422
2423 for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++)
2424 ugeth->rx_skbuff[j][i] = NULL;
2425
2426 ugeth->skb_currx[j] = 0;
2427 bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j];
2428 for (i = 0; i < ug_info->bdRingLenRx[j]; i++) {
Li Yang18a8e862006-10-19 21:07:34 -05002429 /* set bd status and length */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002430 out_be32((u32 __iomem *)bd, R_I);
Li Yang18a8e862006-10-19 21:07:34 -05002431 /* clear bd buffer */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002432 out_be32(&((struct qe_bd __iomem *)bd)->buf, 0);
Li Yang18a8e862006-10-19 21:07:34 -05002433 bd += sizeof(struct qe_bd);
Li Yangce973b12006-08-14 23:00:11 -07002434 }
Li Yang18a8e862006-10-19 21:07:34 -05002435 bd -= sizeof(struct qe_bd);
2436 /* set bd status and length */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002437 out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */
Li Yangce973b12006-08-14 23:00:11 -07002438 }
2439
2440 /*
2441 * Global PRAM
2442 */
2443 /* Tx global PRAM */
2444 /* Allocate global tx parameter RAM page */
2445 ugeth->tx_glbl_pram_offset =
Li Yang18a8e862006-10-19 21:07:34 -05002446 qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram),
Li Yangce973b12006-08-14 23:00:11 -07002447 UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT);
Timur Tabi4c356302007-05-08 14:46:36 -05002448 if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) {
Li Yang890de952007-07-19 11:48:29 +08002449 if (netif_msg_ifup(ugeth))
2450 ugeth_err
2451 ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002452 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002453 return -ENOMEM;
2454 }
2455 ugeth->p_tx_glbl_pram =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002456 (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth->
Li Yangce973b12006-08-14 23:00:11 -07002457 tx_glbl_pram_offset);
2458 /* Zero out p_tx_glbl_pram */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002459 memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram));
Li Yangce973b12006-08-14 23:00:11 -07002460
2461 /* Fill global PRAM */
2462
2463 /* TQPTR */
2464 /* Size varies with number of Tx threads */
2465 ugeth->thread_dat_tx_offset =
2466 qe_muram_alloc(numThreadsTxNumerical *
Li Yang18a8e862006-10-19 21:07:34 -05002467 sizeof(struct ucc_geth_thread_data_tx) +
Li Yangce973b12006-08-14 23:00:11 -07002468 32 * (numThreadsTxNumerical == 1),
2469 UCC_GETH_THREAD_DATA_ALIGNMENT);
Timur Tabi4c356302007-05-08 14:46:36 -05002470 if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) {
Li Yang890de952007-07-19 11:48:29 +08002471 if (netif_msg_ifup(ugeth))
2472 ugeth_err
2473 ("%s: Can not allocate DPRAM memory for p_thread_data_tx.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002474 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002475 return -ENOMEM;
2476 }
2477
2478 ugeth->p_thread_data_tx =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002479 (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth->
Li Yangce973b12006-08-14 23:00:11 -07002480 thread_dat_tx_offset);
2481 out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset);
2482
2483 /* vtagtable */
2484 for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++)
2485 out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i],
2486 ug_info->vtagtable[i]);
2487
2488 /* iphoffset */
2489 for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++)
Andy Fleming6fee40e2008-05-02 13:01:23 -05002490 out_8(&ugeth->p_tx_glbl_pram->iphoffset[i],
2491 ug_info->iphoffset[i]);
Li Yangce973b12006-08-14 23:00:11 -07002492
2493 /* SQPTR */
2494 /* Size varies with number of Tx queues */
2495 ugeth->send_q_mem_reg_offset =
2496 qe_muram_alloc(ug_info->numQueuesTx *
Li Yang18a8e862006-10-19 21:07:34 -05002497 sizeof(struct ucc_geth_send_queue_qd),
Li Yangce973b12006-08-14 23:00:11 -07002498 UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT);
Timur Tabi4c356302007-05-08 14:46:36 -05002499 if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) {
Li Yang890de952007-07-19 11:48:29 +08002500 if (netif_msg_ifup(ugeth))
2501 ugeth_err
2502 ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002503 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002504 return -ENOMEM;
2505 }
2506
2507 ugeth->p_send_q_mem_reg =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002508 (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth->
Li Yangce973b12006-08-14 23:00:11 -07002509 send_q_mem_reg_offset);
2510 out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset);
2511
2512 /* Setup the table */
2513 /* Assume BD rings are already established */
2514 for (i = 0; i < ug_info->numQueuesTx; i++) {
2515 endOfRing =
2516 ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] -
Li Yang18a8e862006-10-19 21:07:34 -05002517 1) * sizeof(struct qe_bd);
Li Yangce973b12006-08-14 23:00:11 -07002518 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2519 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2520 (u32) virt_to_phys(ugeth->p_tx_bd_ring[i]));
2521 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2522 last_bd_completed_address,
2523 (u32) virt_to_phys(endOfRing));
2524 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2525 MEM_PART_MURAM) {
2526 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base,
2527 (u32) immrbar_virt_to_phys(ugeth->
2528 p_tx_bd_ring[i]));
2529 out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].
2530 last_bd_completed_address,
2531 (u32) immrbar_virt_to_phys(endOfRing));
2532 }
2533 }
2534
2535 /* schedulerbasepointer */
2536
2537 if (ug_info->numQueuesTx > 1) {
2538 /* scheduler exists only if more than 1 tx queue */
2539 ugeth->scheduler_offset =
Li Yang18a8e862006-10-19 21:07:34 -05002540 qe_muram_alloc(sizeof(struct ucc_geth_scheduler),
Li Yangce973b12006-08-14 23:00:11 -07002541 UCC_GETH_SCHEDULER_ALIGNMENT);
Timur Tabi4c356302007-05-08 14:46:36 -05002542 if (IS_ERR_VALUE(ugeth->scheduler_offset)) {
Li Yang890de952007-07-19 11:48:29 +08002543 if (netif_msg_ifup(ugeth))
2544 ugeth_err
2545 ("%s: Can not allocate DPRAM memory for p_scheduler.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002546 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002547 return -ENOMEM;
2548 }
2549
2550 ugeth->p_scheduler =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002551 (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth->
Li Yangce973b12006-08-14 23:00:11 -07002552 scheduler_offset);
2553 out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer,
2554 ugeth->scheduler_offset);
2555 /* Zero out p_scheduler */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002556 memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler));
Li Yangce973b12006-08-14 23:00:11 -07002557
2558 /* Set values in scheduler */
2559 out_be32(&ugeth->p_scheduler->mblinterval,
2560 ug_info->mblinterval);
2561 out_be16(&ugeth->p_scheduler->nortsrbytetime,
2562 ug_info->nortsrbytetime);
Andy Fleming6fee40e2008-05-02 13:01:23 -05002563 out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz);
2564 out_8(&ugeth->p_scheduler->strictpriorityq,
2565 ug_info->strictpriorityq);
2566 out_8(&ugeth->p_scheduler->txasap, ug_info->txasap);
2567 out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw);
Li Yangce973b12006-08-14 23:00:11 -07002568 for (i = 0; i < NUM_TX_QUEUES; i++)
Andy Fleming6fee40e2008-05-02 13:01:23 -05002569 out_8(&ugeth->p_scheduler->weightfactor[i],
2570 ug_info->weightfactor[i]);
Li Yangce973b12006-08-14 23:00:11 -07002571
2572 /* Set pointers to cpucount registers in scheduler */
2573 ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0);
2574 ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1);
2575 ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2);
2576 ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3);
2577 ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4);
2578 ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5);
2579 ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6);
2580 ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7);
2581 }
2582
2583 /* schedulerbasepointer */
2584 /* TxRMON_PTR (statistics) */
2585 if (ug_info->
2586 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
2587 ugeth->tx_fw_statistics_pram_offset =
2588 qe_muram_alloc(sizeof
Li Yang18a8e862006-10-19 21:07:34 -05002589 (struct ucc_geth_tx_firmware_statistics_pram),
Li Yangce973b12006-08-14 23:00:11 -07002590 UCC_GETH_TX_STATISTICS_ALIGNMENT);
Timur Tabi4c356302007-05-08 14:46:36 -05002591 if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) {
Li Yang890de952007-07-19 11:48:29 +08002592 if (netif_msg_ifup(ugeth))
2593 ugeth_err
2594 ("%s: Can not allocate DPRAM memory for"
2595 " p_tx_fw_statistics_pram.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002596 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002597 return -ENOMEM;
2598 }
2599 ugeth->p_tx_fw_statistics_pram =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002600 (struct ucc_geth_tx_firmware_statistics_pram __iomem *)
Li Yangce973b12006-08-14 23:00:11 -07002601 qe_muram_addr(ugeth->tx_fw_statistics_pram_offset);
2602 /* Zero out p_tx_fw_statistics_pram */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002603 memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram,
Li Yang18a8e862006-10-19 21:07:34 -05002604 0, sizeof(struct ucc_geth_tx_firmware_statistics_pram));
Li Yangce973b12006-08-14 23:00:11 -07002605 }
2606
2607 /* temoder */
2608 /* Already has speed set */
2609
2610 if (ug_info->numQueuesTx > 1)
2611 temoder |= TEMODER_SCHEDULER_ENABLE;
2612 if (ug_info->ipCheckSumGenerate)
2613 temoder |= TEMODER_IP_CHECKSUM_GENERATE;
2614 temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT);
2615 out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder);
2616
2617 test = in_be16(&ugeth->p_tx_glbl_pram->temoder);
2618
2619 /* Function code register value to be used later */
Timur Tabi6b0b5942007-10-03 11:34:59 -05002620 function_code = UCC_BMR_BO_BE | UCC_BMR_GBL;
Li Yangce973b12006-08-14 23:00:11 -07002621 /* Required for QE */
2622
2623 /* function code register */
2624 out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24);
2625
2626 /* Rx global PRAM */
2627 /* Allocate global rx parameter RAM page */
2628 ugeth->rx_glbl_pram_offset =
Li Yang18a8e862006-10-19 21:07:34 -05002629 qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram),
Li Yangce973b12006-08-14 23:00:11 -07002630 UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT);
Timur Tabi4c356302007-05-08 14:46:36 -05002631 if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) {
Li Yang890de952007-07-19 11:48:29 +08002632 if (netif_msg_ifup(ugeth))
2633 ugeth_err
2634 ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002635 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002636 return -ENOMEM;
2637 }
2638 ugeth->p_rx_glbl_pram =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002639 (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth->
Li Yangce973b12006-08-14 23:00:11 -07002640 rx_glbl_pram_offset);
2641 /* Zero out p_rx_glbl_pram */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002642 memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram));
Li Yangce973b12006-08-14 23:00:11 -07002643
2644 /* Fill global PRAM */
2645
2646 /* RQPTR */
2647 /* Size varies with number of Rx threads */
2648 ugeth->thread_dat_rx_offset =
2649 qe_muram_alloc(numThreadsRxNumerical *
Li Yang18a8e862006-10-19 21:07:34 -05002650 sizeof(struct ucc_geth_thread_data_rx),
Li Yangce973b12006-08-14 23:00:11 -07002651 UCC_GETH_THREAD_DATA_ALIGNMENT);
Timur Tabi4c356302007-05-08 14:46:36 -05002652 if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) {
Li Yang890de952007-07-19 11:48:29 +08002653 if (netif_msg_ifup(ugeth))
2654 ugeth_err
2655 ("%s: Can not allocate DPRAM memory for p_thread_data_rx.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002656 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002657 return -ENOMEM;
2658 }
2659
2660 ugeth->p_thread_data_rx =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002661 (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth->
Li Yangce973b12006-08-14 23:00:11 -07002662 thread_dat_rx_offset);
2663 out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset);
2664
2665 /* typeorlen */
2666 out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen);
2667
2668 /* rxrmonbaseptr (statistics) */
2669 if (ug_info->
2670 statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
2671 ugeth->rx_fw_statistics_pram_offset =
2672 qe_muram_alloc(sizeof
Li Yang18a8e862006-10-19 21:07:34 -05002673 (struct ucc_geth_rx_firmware_statistics_pram),
Li Yangce973b12006-08-14 23:00:11 -07002674 UCC_GETH_RX_STATISTICS_ALIGNMENT);
Timur Tabi4c356302007-05-08 14:46:36 -05002675 if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) {
Li Yang890de952007-07-19 11:48:29 +08002676 if (netif_msg_ifup(ugeth))
2677 ugeth_err
2678 ("%s: Can not allocate DPRAM memory for"
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002679 " p_rx_fw_statistics_pram.", __func__);
Li Yangce973b12006-08-14 23:00:11 -07002680 return -ENOMEM;
2681 }
2682 ugeth->p_rx_fw_statistics_pram =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002683 (struct ucc_geth_rx_firmware_statistics_pram __iomem *)
Li Yangce973b12006-08-14 23:00:11 -07002684 qe_muram_addr(ugeth->rx_fw_statistics_pram_offset);
2685 /* Zero out p_rx_fw_statistics_pram */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002686 memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0,
Li Yang18a8e862006-10-19 21:07:34 -05002687 sizeof(struct ucc_geth_rx_firmware_statistics_pram));
Li Yangce973b12006-08-14 23:00:11 -07002688 }
2689
2690 /* intCoalescingPtr */
2691
2692 /* Size varies with number of Rx queues */
2693 ugeth->rx_irq_coalescing_tbl_offset =
2694 qe_muram_alloc(ug_info->numQueuesRx *
Michael Barkowski75639072007-04-13 01:26:15 -05002695 sizeof(struct ucc_geth_rx_interrupt_coalescing_entry)
2696 + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT);
Timur Tabi4c356302007-05-08 14:46:36 -05002697 if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) {
Li Yang890de952007-07-19 11:48:29 +08002698 if (netif_msg_ifup(ugeth))
2699 ugeth_err
2700 ("%s: Can not allocate DPRAM memory for"
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002701 " p_rx_irq_coalescing_tbl.", __func__);
Li Yangce973b12006-08-14 23:00:11 -07002702 return -ENOMEM;
2703 }
2704
2705 ugeth->p_rx_irq_coalescing_tbl =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002706 (struct ucc_geth_rx_interrupt_coalescing_table __iomem *)
Li Yangce973b12006-08-14 23:00:11 -07002707 qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset);
2708 out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr,
2709 ugeth->rx_irq_coalescing_tbl_offset);
2710
2711 /* Fill interrupt coalescing table */
2712 for (i = 0; i < ug_info->numQueuesRx; i++) {
2713 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2714 interruptcoalescingmaxvalue,
2715 ug_info->interruptcoalescingmaxvalue[i]);
2716 out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i].
2717 interruptcoalescingcounter,
2718 ug_info->interruptcoalescingmaxvalue[i]);
2719 }
2720
2721 /* MRBLR */
2722 init_max_rx_buff_len(uf_info->max_rx_buf_length,
2723 &ugeth->p_rx_glbl_pram->mrblr);
2724 /* MFLR */
2725 out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength);
2726 /* MINFLR */
2727 init_min_frame_len(ug_info->minFrameLength,
2728 &ugeth->p_rx_glbl_pram->minflr,
2729 &ugeth->p_rx_glbl_pram->mrblr);
2730 /* MAXD1 */
2731 out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length);
2732 /* MAXD2 */
2733 out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length);
2734
2735 /* l2qt */
2736 l2qt = 0;
2737 for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++)
2738 l2qt |= (ug_info->l2qt[i] << (28 - 4 * i));
2739 out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt);
2740
2741 /* l3qt */
2742 for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) {
2743 l3qt = 0;
2744 for (i = 0; i < 8; i++)
2745 l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i));
Li Yang18a8e862006-10-19 21:07:34 -05002746 out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt);
Li Yangce973b12006-08-14 23:00:11 -07002747 }
2748
2749 /* vlantype */
2750 out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype);
2751
2752 /* vlantci */
2753 out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci);
2754
2755 /* ecamptr */
2756 out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr);
2757
2758 /* RBDQPTR */
2759 /* Size varies with number of Rx queues */
2760 ugeth->rx_bd_qs_tbl_offset =
2761 qe_muram_alloc(ug_info->numQueuesRx *
Li Yang18a8e862006-10-19 21:07:34 -05002762 (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2763 sizeof(struct ucc_geth_rx_prefetched_bds)),
Li Yangce973b12006-08-14 23:00:11 -07002764 UCC_GETH_RX_BD_QUEUES_ALIGNMENT);
Timur Tabi4c356302007-05-08 14:46:36 -05002765 if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) {
Li Yang890de952007-07-19 11:48:29 +08002766 if (netif_msg_ifup(ugeth))
2767 ugeth_err
2768 ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002769 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002770 return -ENOMEM;
2771 }
2772
2773 ugeth->p_rx_bd_qs_tbl =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002774 (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth->
Li Yangce973b12006-08-14 23:00:11 -07002775 rx_bd_qs_tbl_offset);
2776 out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset);
2777 /* Zero out p_rx_bd_qs_tbl */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002778 memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl,
Li Yangce973b12006-08-14 23:00:11 -07002779 0,
Li Yang18a8e862006-10-19 21:07:34 -05002780 ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) +
2781 sizeof(struct ucc_geth_rx_prefetched_bds)));
Li Yangce973b12006-08-14 23:00:11 -07002782
2783 /* Setup the table */
2784 /* Assume BD rings are already established */
2785 for (i = 0; i < ug_info->numQueuesRx; i++) {
2786 if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) {
2787 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2788 (u32) virt_to_phys(ugeth->p_rx_bd_ring[i]));
2789 } else if (ugeth->ug_info->uf_info.bd_mem_part ==
2790 MEM_PART_MURAM) {
2791 out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr,
2792 (u32) immrbar_virt_to_phys(ugeth->
2793 p_rx_bd_ring[i]));
2794 }
2795 /* rest of fields handled by QE */
2796 }
2797
2798 /* remoder */
2799 /* Already has speed set */
2800
2801 if (ugeth->rx_extended_features)
2802 remoder |= REMODER_RX_EXTENDED_FEATURES;
2803 if (ug_info->rxExtendedFiltering)
2804 remoder |= REMODER_RX_EXTENDED_FILTERING;
2805 if (ug_info->dynamicMaxFrameLength)
2806 remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH;
2807 if (ug_info->dynamicMinFrameLength)
2808 remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH;
2809 remoder |=
2810 ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT;
2811 remoder |=
2812 ug_info->
2813 vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT;
2814 remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT;
2815 remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT);
2816 if (ug_info->ipCheckSumCheck)
2817 remoder |= REMODER_IP_CHECKSUM_CHECK;
2818 if (ug_info->ipAddressAlignment)
2819 remoder |= REMODER_IP_ADDRESS_ALIGNMENT;
2820 out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder);
2821
2822 /* Note that this function must be called */
2823 /* ONLY AFTER p_tx_fw_statistics_pram */
2824 /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */
2825 init_firmware_statistics_gathering_mode((ug_info->
2826 statisticsMode &
2827 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX),
2828 (ug_info->statisticsMode &
2829 UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX),
2830 &ugeth->p_tx_glbl_pram->txrmonbaseptr,
2831 ugeth->tx_fw_statistics_pram_offset,
2832 &ugeth->p_rx_glbl_pram->rxrmonbaseptr,
2833 ugeth->rx_fw_statistics_pram_offset,
2834 &ugeth->p_tx_glbl_pram->temoder,
2835 &ugeth->p_rx_glbl_pram->remoder);
2836
2837 /* function code register */
Andy Fleming6fee40e2008-05-02 13:01:23 -05002838 out_8(&ugeth->p_rx_glbl_pram->rstate, function_code);
Li Yangce973b12006-08-14 23:00:11 -07002839
2840 /* initialize extended filtering */
2841 if (ug_info->rxExtendedFiltering) {
2842 if (!ug_info->extendedFilteringChainPointer) {
Li Yang890de952007-07-19 11:48:29 +08002843 if (netif_msg_ifup(ugeth))
2844 ugeth_err("%s: Null Extended Filtering Chain Pointer.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002845 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002846 return -EINVAL;
2847 }
2848
2849 /* Allocate memory for extended filtering Mode Global
2850 Parameters */
2851 ugeth->exf_glbl_param_offset =
Li Yang18a8e862006-10-19 21:07:34 -05002852 qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram),
Li Yangce973b12006-08-14 23:00:11 -07002853 UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT);
Timur Tabi4c356302007-05-08 14:46:36 -05002854 if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) {
Li Yang890de952007-07-19 11:48:29 +08002855 if (netif_msg_ifup(ugeth))
2856 ugeth_err
2857 ("%s: Can not allocate DPRAM memory for"
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002858 " p_exf_glbl_param.", __func__);
Li Yangce973b12006-08-14 23:00:11 -07002859 return -ENOMEM;
2860 }
2861
2862 ugeth->p_exf_glbl_param =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002863 (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth->
Li Yangce973b12006-08-14 23:00:11 -07002864 exf_glbl_param_offset);
2865 out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam,
2866 ugeth->exf_glbl_param_offset);
2867 out_be32(&ugeth->p_exf_glbl_param->l2pcdptr,
2868 (u32) ug_info->extendedFilteringChainPointer);
2869
2870 } else { /* initialize 82xx style address filtering */
2871
2872 /* Init individual address recognition registers to disabled */
2873
2874 for (j = 0; j < NUM_OF_PADDRS; j++)
2875 ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j);
2876
Li Yangce973b12006-08-14 23:00:11 -07002877 p_82xx_addr_filt =
Andy Fleming6fee40e2008-05-02 13:01:23 -05002878 (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->
Li Yangce973b12006-08-14 23:00:11 -07002879 p_rx_glbl_pram->addressfiltering;
2880
2881 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2882 ENET_ADDR_TYPE_GROUP);
2883 ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth,
2884 ENET_ADDR_TYPE_INDIVIDUAL);
2885 }
2886
2887 /*
2888 * Initialize UCC at QE level
2889 */
2890
2891 command = QE_INIT_TX_RX;
2892
2893 /* Allocate shadow InitEnet command parameter structure.
2894 * This is needed because after the InitEnet command is executed,
2895 * the structure in DPRAM is released, because DPRAM is a premium
2896 * resource.
2897 * This shadow structure keeps a copy of what was done so that the
2898 * allocated resources can be released when the channel is freed.
2899 */
2900 if (!(ugeth->p_init_enet_param_shadow =
Ahmed S. Darwish04b588d2007-01-27 00:00:02 -08002901 kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) {
Li Yang890de952007-07-19 11:48:29 +08002902 if (netif_msg_ifup(ugeth))
2903 ugeth_err
2904 ("%s: Can not allocate memory for"
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002905 " p_UccInitEnetParamShadows.", __func__);
Li Yangce973b12006-08-14 23:00:11 -07002906 return -ENOMEM;
2907 }
2908 /* Zero out *p_init_enet_param_shadow */
2909 memset((char *)ugeth->p_init_enet_param_shadow,
Li Yang18a8e862006-10-19 21:07:34 -05002910 0, sizeof(struct ucc_geth_init_pram));
Li Yangce973b12006-08-14 23:00:11 -07002911
2912 /* Fill shadow InitEnet command parameter structure */
2913
2914 ugeth->p_init_enet_param_shadow->resinit1 =
2915 ENET_INIT_PARAM_MAGIC_RES_INIT1;
2916 ugeth->p_init_enet_param_shadow->resinit2 =
2917 ENET_INIT_PARAM_MAGIC_RES_INIT2;
2918 ugeth->p_init_enet_param_shadow->resinit3 =
2919 ENET_INIT_PARAM_MAGIC_RES_INIT3;
2920 ugeth->p_init_enet_param_shadow->resinit4 =
2921 ENET_INIT_PARAM_MAGIC_RES_INIT4;
2922 ugeth->p_init_enet_param_shadow->resinit5 =
2923 ENET_INIT_PARAM_MAGIC_RES_INIT5;
2924 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2925 ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT;
2926 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2927 ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT;
2928
2929 ugeth->p_init_enet_param_shadow->rgftgfrxglobal |=
2930 ugeth->rx_glbl_pram_offset | ug_info->riscRx;
2931 if ((ug_info->largestexternallookupkeysize !=
2932 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE)
2933 && (ug_info->largestexternallookupkeysize !=
2934 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
2935 && (ug_info->largestexternallookupkeysize !=
2936 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) {
Li Yang890de952007-07-19 11:48:29 +08002937 if (netif_msg_ifup(ugeth))
2938 ugeth_err("%s: Invalid largest External Lookup Key Size.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002939 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002940 return -EINVAL;
2941 }
2942 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize =
2943 ug_info->largestexternallookupkeysize;
Li Yang18a8e862006-10-19 21:07:34 -05002944 size = sizeof(struct ucc_geth_thread_rx_pram);
Li Yangce973b12006-08-14 23:00:11 -07002945 if (ug_info->rxExtendedFiltering) {
2946 size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING;
2947 if (ug_info->largestexternallookupkeysize ==
2948 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES)
2949 size +=
2950 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8;
2951 if (ug_info->largestexternallookupkeysize ==
2952 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES)
2953 size +=
2954 THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16;
2955 }
2956
2957 if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth->
2958 p_init_enet_param_shadow->rxthread[0]),
2959 (u8) (numThreadsRxNumerical + 1)
2960 /* Rx needs one extra for terminator */
2961 , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT,
2962 ug_info->riscRx, 1)) != 0) {
Li Yang890de952007-07-19 11:48:29 +08002963 if (netif_msg_ifup(ugeth))
2964 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002965 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002966 return ret_val;
2967 }
2968
2969 ugeth->p_init_enet_param_shadow->txglobal =
2970 ugeth->tx_glbl_pram_offset | ug_info->riscTx;
2971 if ((ret_val =
2972 fill_init_enet_entries(ugeth,
2973 &(ugeth->p_init_enet_param_shadow->
2974 txthread[0]), numThreadsTxNumerical,
Li Yang18a8e862006-10-19 21:07:34 -05002975 sizeof(struct ucc_geth_thread_tx_pram),
Li Yangce973b12006-08-14 23:00:11 -07002976 UCC_GETH_THREAD_TX_PRAM_ALIGNMENT,
2977 ug_info->riscTx, 0)) != 0) {
Li Yang890de952007-07-19 11:48:29 +08002978 if (netif_msg_ifup(ugeth))
2979 ugeth_err("%s: Can not fill p_init_enet_param_shadow.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002980 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002981 return ret_val;
2982 }
2983
2984 /* Load Rx bds with buffers */
2985 for (i = 0; i < ug_info->numQueuesRx; i++) {
2986 if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) {
Li Yang890de952007-07-19 11:48:29 +08002987 if (netif_msg_ifup(ugeth))
2988 ugeth_err("%s: Can not fill Rx bds with buffers.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07002989 __func__);
Li Yangce973b12006-08-14 23:00:11 -07002990 return ret_val;
2991 }
2992 }
2993
2994 /* Allocate InitEnet command parameter structure */
Li Yang18a8e862006-10-19 21:07:34 -05002995 init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4);
Timur Tabi4c356302007-05-08 14:46:36 -05002996 if (IS_ERR_VALUE(init_enet_pram_offset)) {
Li Yang890de952007-07-19 11:48:29 +08002997 if (netif_msg_ifup(ugeth))
2998 ugeth_err
2999 ("%s: Can not allocate DPRAM memory for p_init_enet_pram.",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07003000 __func__);
Li Yangce973b12006-08-14 23:00:11 -07003001 return -ENOMEM;
3002 }
3003 p_init_enet_pram =
Andy Fleming6fee40e2008-05-02 13:01:23 -05003004 (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset);
Li Yangce973b12006-08-14 23:00:11 -07003005
3006 /* Copy shadow InitEnet command parameter structure into PRAM */
Andy Fleming6fee40e2008-05-02 13:01:23 -05003007 out_8(&p_init_enet_pram->resinit1,
3008 ugeth->p_init_enet_param_shadow->resinit1);
3009 out_8(&p_init_enet_pram->resinit2,
3010 ugeth->p_init_enet_param_shadow->resinit2);
3011 out_8(&p_init_enet_pram->resinit3,
3012 ugeth->p_init_enet_param_shadow->resinit3);
3013 out_8(&p_init_enet_pram->resinit4,
3014 ugeth->p_init_enet_param_shadow->resinit4);
Li Yangce973b12006-08-14 23:00:11 -07003015 out_be16(&p_init_enet_pram->resinit5,
3016 ugeth->p_init_enet_param_shadow->resinit5);
Andy Fleming6fee40e2008-05-02 13:01:23 -05003017 out_8(&p_init_enet_pram->largestexternallookupkeysize,
3018 ugeth->p_init_enet_param_shadow->largestexternallookupkeysize);
Li Yangce973b12006-08-14 23:00:11 -07003019 out_be32(&p_init_enet_pram->rgftgfrxglobal,
3020 ugeth->p_init_enet_param_shadow->rgftgfrxglobal);
3021 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++)
3022 out_be32(&p_init_enet_pram->rxthread[i],
3023 ugeth->p_init_enet_param_shadow->rxthread[i]);
3024 out_be32(&p_init_enet_pram->txglobal,
3025 ugeth->p_init_enet_param_shadow->txglobal);
3026 for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++)
3027 out_be32(&p_init_enet_pram->txthread[i],
3028 ugeth->p_init_enet_param_shadow->txthread[i]);
3029
3030 /* Issue QE command */
3031 cecr_subblock =
3032 ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
Li Yang18a8e862006-10-19 21:07:34 -05003033 qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET,
Li Yangce973b12006-08-14 23:00:11 -07003034 init_enet_pram_offset);
3035
3036 /* Free InitEnet command parameter */
3037 qe_muram_free(init_enet_pram_offset);
3038
3039 return 0;
3040}
3041
Li Yangce973b12006-08-14 23:00:11 -07003042/* This is called by the kernel when a frame is ready for transmission. */
3043/* It is pointed to by the dev->hard_start_xmit function pointer */
3044static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
3045{
Li Yang18a8e862006-10-19 21:07:34 -05003046 struct ucc_geth_private *ugeth = netdev_priv(dev);
Michael Reissd5b90492007-04-13 01:26:19 -05003047#ifdef CONFIG_UGETH_TX_ON_DEMAND
3048 struct ucc_fast_private *uccf;
3049#endif
Andy Fleming6fee40e2008-05-02 13:01:23 -05003050 u8 __iomem *bd; /* BD pointer */
Li Yangce973b12006-08-14 23:00:11 -07003051 u32 bd_status;
3052 u8 txQ = 0;
3053
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07003054 ugeth_vdbg("%s: IN", __func__);
Li Yangce973b12006-08-14 23:00:11 -07003055
3056 spin_lock_irq(&ugeth->lock);
3057
Jeff Garzik09f75cd2007-10-03 17:41:50 -07003058 dev->stats.tx_bytes += skb->len;
Li Yangce973b12006-08-14 23:00:11 -07003059
3060 /* Start from the next BD that should be filled */
3061 bd = ugeth->txBd[txQ];
Andy Fleming6fee40e2008-05-02 13:01:23 -05003062 bd_status = in_be32((u32 __iomem *)bd);
Li Yangce973b12006-08-14 23:00:11 -07003063 /* Save the skb pointer so we can free it later */
3064 ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb;
3065
3066 /* Update the current skb pointer (wrapping if this was the last) */
3067 ugeth->skb_curtx[txQ] =
3068 (ugeth->skb_curtx[txQ] +
3069 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3070
3071 /* set up the buffer descriptor */
Andy Fleming6fee40e2008-05-02 13:01:23 -05003072 out_be32(&((struct qe_bd __iomem *)bd)->buf,
Andy Fleming7f802022008-05-15 17:00:21 -05003073 dma_map_single(&ugeth->dev->dev, skb->data,
3074 skb->len, DMA_TO_DEVICE));
Li Yangce973b12006-08-14 23:00:11 -07003075
Li Yang18a8e862006-10-19 21:07:34 -05003076 /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */
Li Yangce973b12006-08-14 23:00:11 -07003077
3078 bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
3079
Li Yang18a8e862006-10-19 21:07:34 -05003080 /* set bd status and length */
Andy Fleming6fee40e2008-05-02 13:01:23 -05003081 out_be32((u32 __iomem *)bd, bd_status);
Li Yangce973b12006-08-14 23:00:11 -07003082
3083 dev->trans_start = jiffies;
3084
3085 /* Move to next BD in the ring */
3086 if (!(bd_status & T_W))
Li Yanga394f012007-03-06 16:53:46 +08003087 bd += sizeof(struct qe_bd);
Li Yangce973b12006-08-14 23:00:11 -07003088 else
Li Yanga394f012007-03-06 16:53:46 +08003089 bd = ugeth->p_tx_bd_ring[txQ];
Li Yangce973b12006-08-14 23:00:11 -07003090
3091 /* If the next BD still needs to be cleaned up, then the bds
3092 are full. We need to tell the kernel to stop sending us stuff. */
3093 if (bd == ugeth->confBd[txQ]) {
3094 if (!netif_queue_stopped(dev))
3095 netif_stop_queue(dev);
3096 }
3097
Li Yanga394f012007-03-06 16:53:46 +08003098 ugeth->txBd[txQ] = bd;
3099
Li Yangce973b12006-08-14 23:00:11 -07003100 if (ugeth->p_scheduler) {
3101 ugeth->cpucount[txQ]++;
3102 /* Indicate to QE that there are more Tx bds ready for
3103 transmission */
3104 /* This is done by writing a running counter of the bd
3105 count to the scheduler PRAM. */
3106 out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
3107 }
3108
Michael Reissd5b90492007-04-13 01:26:19 -05003109#ifdef CONFIG_UGETH_TX_ON_DEMAND
3110 uccf = ugeth->uccf;
3111 out_be16(uccf->p_utodr, UCC_FAST_TOD);
3112#endif
Li Yangce973b12006-08-14 23:00:11 -07003113 spin_unlock_irq(&ugeth->lock);
3114
Li Yang6f6881b2007-03-19 11:58:02 +08003115 return 0;
Li Yangce973b12006-08-14 23:00:11 -07003116}
3117
Li Yang18a8e862006-10-19 21:07:34 -05003118static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit)
Li Yangce973b12006-08-14 23:00:11 -07003119{
3120 struct sk_buff *skb;
Andy Fleming6fee40e2008-05-02 13:01:23 -05003121 u8 __iomem *bd;
Li Yangce973b12006-08-14 23:00:11 -07003122 u16 length, howmany = 0;
3123 u32 bd_status;
3124 u8 *bdBuffer;
Andrew Morton4b8fdef2007-12-13 16:02:55 -08003125 struct net_device *dev;
Li Yangce973b12006-08-14 23:00:11 -07003126
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07003127 ugeth_vdbg("%s: IN", __func__);
Li Yangce973b12006-08-14 23:00:11 -07003128
Emil Medve88a15f22007-10-15 08:43:50 -05003129 dev = ugeth->dev;
3130
Li Yangce973b12006-08-14 23:00:11 -07003131 /* collect received buffers */
3132 bd = ugeth->rxBd[rxQ];
3133
Andy Fleming6fee40e2008-05-02 13:01:23 -05003134 bd_status = in_be32((u32 __iomem *)bd);
Li Yangce973b12006-08-14 23:00:11 -07003135
3136 /* while there are received buffers and BD is full (~R_E) */
3137 while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) {
Andy Fleming6fee40e2008-05-02 13:01:23 -05003138 bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf);
Li Yangce973b12006-08-14 23:00:11 -07003139 length = (u16) ((bd_status & BD_LENGTH_MASK) - 4);
3140 skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]];
3141
3142 /* determine whether buffer is first, last, first and last
3143 (single buffer frame) or middle (not first and not last) */
3144 if (!skb ||
3145 (!(bd_status & (R_F | R_L))) ||
3146 (bd_status & R_ERRORS_FATAL)) {
Li Yang890de952007-07-19 11:48:29 +08003147 if (netif_msg_rx_err(ugeth))
3148 ugeth_err("%s, %d: ERROR!!! skb - 0x%08x",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07003149 __func__, __LINE__, (u32) skb);
Li Yangce973b12006-08-14 23:00:11 -07003150 if (skb)
3151 dev_kfree_skb_any(skb);
3152
3153 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL;
Jeff Garzik09f75cd2007-10-03 17:41:50 -07003154 dev->stats.rx_dropped++;
Li Yangce973b12006-08-14 23:00:11 -07003155 } else {
Jeff Garzik09f75cd2007-10-03 17:41:50 -07003156 dev->stats.rx_packets++;
Li Yangce973b12006-08-14 23:00:11 -07003157 howmany++;
3158
3159 /* Prep the skb for the packet */
3160 skb_put(skb, length);
3161
3162 /* Tell the skb what kind of packet this is */
3163 skb->protocol = eth_type_trans(skb, ugeth->dev);
3164
Jeff Garzik09f75cd2007-10-03 17:41:50 -07003165 dev->stats.rx_bytes += length;
Li Yangce973b12006-08-14 23:00:11 -07003166 /* Send the packet up the stack */
Li Yangce973b12006-08-14 23:00:11 -07003167 netif_receive_skb(skb);
Li Yangce973b12006-08-14 23:00:11 -07003168 }
3169
Li Yangce973b12006-08-14 23:00:11 -07003170 skb = get_new_skb(ugeth, bd);
3171 if (!skb) {
Li Yang890de952007-07-19 11:48:29 +08003172 if (netif_msg_rx_err(ugeth))
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07003173 ugeth_warn("%s: No Rx Data Buffer", __func__);
Jeff Garzik09f75cd2007-10-03 17:41:50 -07003174 dev->stats.rx_dropped++;
Li Yangce973b12006-08-14 23:00:11 -07003175 break;
3176 }
3177
3178 ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb;
3179
3180 /* update to point at the next skb */
3181 ugeth->skb_currx[rxQ] =
3182 (ugeth->skb_currx[rxQ] +
3183 1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]);
3184
3185 if (bd_status & R_W)
3186 bd = ugeth->p_rx_bd_ring[rxQ];
3187 else
Li Yang18a8e862006-10-19 21:07:34 -05003188 bd += sizeof(struct qe_bd);
Li Yangce973b12006-08-14 23:00:11 -07003189
Andy Fleming6fee40e2008-05-02 13:01:23 -05003190 bd_status = in_be32((u32 __iomem *)bd);
Li Yangce973b12006-08-14 23:00:11 -07003191 }
3192
3193 ugeth->rxBd[rxQ] = bd;
Li Yangce973b12006-08-14 23:00:11 -07003194 return howmany;
3195}
3196
3197static int ucc_geth_tx(struct net_device *dev, u8 txQ)
3198{
3199 /* Start from the next BD that should be filled */
Li Yang18a8e862006-10-19 21:07:34 -05003200 struct ucc_geth_private *ugeth = netdev_priv(dev);
Andy Fleming6fee40e2008-05-02 13:01:23 -05003201 u8 __iomem *bd; /* BD pointer */
Li Yangce973b12006-08-14 23:00:11 -07003202 u32 bd_status;
3203
3204 bd = ugeth->confBd[txQ];
Andy Fleming6fee40e2008-05-02 13:01:23 -05003205 bd_status = in_be32((u32 __iomem *)bd);
Li Yangce973b12006-08-14 23:00:11 -07003206
3207 /* Normal processing. */
3208 while ((bd_status & T_R) == 0) {
3209 /* BD contains already transmitted buffer. */
3210 /* Handle the transmitted buffer and release */
3211 /* the BD to be used with the current frame */
3212
Li Yanga394f012007-03-06 16:53:46 +08003213 if ((bd == ugeth->txBd[txQ]) && (netif_queue_stopped(dev) == 0))
Li Yangce973b12006-08-14 23:00:11 -07003214 break;
3215
Jeff Garzik09f75cd2007-10-03 17:41:50 -07003216 dev->stats.tx_packets++;
Li Yangce973b12006-08-14 23:00:11 -07003217
3218 /* Free the sk buffer associated with this TxBD */
3219 dev_kfree_skb_irq(ugeth->
3220 tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]);
3221 ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL;
3222 ugeth->skb_dirtytx[txQ] =
3223 (ugeth->skb_dirtytx[txQ] +
3224 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]);
3225
3226 /* We freed a buffer, so now we can restart transmission */
3227 if (netif_queue_stopped(dev))
3228 netif_wake_queue(dev);
3229
3230 /* Advance the confirmation BD pointer */
3231 if (!(bd_status & T_W))
Li Yanga394f012007-03-06 16:53:46 +08003232 bd += sizeof(struct qe_bd);
Li Yangce973b12006-08-14 23:00:11 -07003233 else
Li Yanga394f012007-03-06 16:53:46 +08003234 bd = ugeth->p_tx_bd_ring[txQ];
Andy Fleming6fee40e2008-05-02 13:01:23 -05003235 bd_status = in_be32((u32 __iomem *)bd);
Li Yangce973b12006-08-14 23:00:11 -07003236 }
Li Yanga394f012007-03-06 16:53:46 +08003237 ugeth->confBd[txQ] = bd;
Li Yangce973b12006-08-14 23:00:11 -07003238 return 0;
3239}
3240
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003241static int ucc_geth_poll(struct napi_struct *napi, int budget)
Li Yangce973b12006-08-14 23:00:11 -07003242{
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003243 struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi);
Michael Reiss702ff122007-04-13 01:26:11 -05003244 struct ucc_geth_info *ug_info;
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003245 int howmany, i;
Li Yangce973b12006-08-14 23:00:11 -07003246
Michael Reiss702ff122007-04-13 01:26:11 -05003247 ug_info = ugeth->ug_info;
3248
Michael Reiss702ff122007-04-13 01:26:11 -05003249 howmany = 0;
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003250 for (i = 0; i < ug_info->numQueuesRx; i++)
3251 howmany += ucc_geth_rx(ugeth, i, budget - howmany);
Michael Reiss702ff122007-04-13 01:26:11 -05003252
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003253 if (howmany < budget) {
Ben Hutchings288379f2009-01-19 16:43:59 -08003254 napi_complete(napi);
Timur Tabi3bc53422009-01-11 00:25:21 -08003255 setbits32(ugeth->uccf->p_uccm, UCCE_RX_EVENTS);
Michael Reiss702ff122007-04-13 01:26:11 -05003256 }
Li Yangce973b12006-08-14 23:00:11 -07003257
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003258 return howmany;
Li Yangce973b12006-08-14 23:00:11 -07003259}
Li Yangce973b12006-08-14 23:00:11 -07003260
David Howells7d12e782006-10-05 14:55:46 +01003261static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
Li Yangce973b12006-08-14 23:00:11 -07003262{
Jeff Garzik06efcad2007-10-19 03:10:11 -04003263 struct net_device *dev = info;
Li Yang18a8e862006-10-19 21:07:34 -05003264 struct ucc_geth_private *ugeth = netdev_priv(dev);
3265 struct ucc_fast_private *uccf;
3266 struct ucc_geth_info *ug_info;
Michael Reiss702ff122007-04-13 01:26:11 -05003267 register u32 ucce;
3268 register u32 uccm;
Michael Reiss702ff122007-04-13 01:26:11 -05003269 register u32 tx_mask;
3270 u8 i;
Li Yangce973b12006-08-14 23:00:11 -07003271
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07003272 ugeth_vdbg("%s: IN", __func__);
Li Yangce973b12006-08-14 23:00:11 -07003273
Li Yangce973b12006-08-14 23:00:11 -07003274 uccf = ugeth->uccf;
3275 ug_info = ugeth->ug_info;
3276
Michael Reiss702ff122007-04-13 01:26:11 -05003277 /* read and clear events */
3278 ucce = (u32) in_be32(uccf->p_ucce);
3279 uccm = (u32) in_be32(uccf->p_uccm);
3280 ucce &= uccm;
3281 out_be32(uccf->p_ucce, ucce);
Li Yangce973b12006-08-14 23:00:11 -07003282
Michael Reiss702ff122007-04-13 01:26:11 -05003283 /* check for receive events that require processing */
3284 if (ucce & UCCE_RX_EVENTS) {
Ben Hutchings288379f2009-01-19 16:43:59 -08003285 if (napi_schedule_prep(&ugeth->napi)) {
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003286 uccm &= ~UCCE_RX_EVENTS;
Michael Reiss702ff122007-04-13 01:26:11 -05003287 out_be32(uccf->p_uccm, uccm);
Ben Hutchings288379f2009-01-19 16:43:59 -08003288 __napi_schedule(&ugeth->napi);
Li Yangce973b12006-08-14 23:00:11 -07003289 }
Michael Reiss702ff122007-04-13 01:26:11 -05003290 }
Li Yangce973b12006-08-14 23:00:11 -07003291
Michael Reiss702ff122007-04-13 01:26:11 -05003292 /* Tx event processing */
3293 if (ucce & UCCE_TX_EVENTS) {
3294 spin_lock(&ugeth->lock);
Timur Tabi3bc53422009-01-11 00:25:21 -08003295 tx_mask = UCC_GETH_UCCE_TXB0;
Li Yangce973b12006-08-14 23:00:11 -07003296 for (i = 0; i < ug_info->numQueuesTx; i++) {
3297 if (ucce & tx_mask)
3298 ucc_geth_tx(dev, i);
3299 ucce &= ~tx_mask;
3300 tx_mask <<= 1;
3301 }
Michael Reiss702ff122007-04-13 01:26:11 -05003302 spin_unlock(&ugeth->lock);
3303 }
Li Yangce973b12006-08-14 23:00:11 -07003304
Michael Reiss702ff122007-04-13 01:26:11 -05003305 /* Errors and other events */
3306 if (ucce & UCCE_OTHER) {
Timur Tabi3bc53422009-01-11 00:25:21 -08003307 if (ucce & UCC_GETH_UCCE_BSY)
Jeff Garzik09f75cd2007-10-03 17:41:50 -07003308 dev->stats.rx_errors++;
Timur Tabi3bc53422009-01-11 00:25:21 -08003309 if (ucce & UCC_GETH_UCCE_TXE)
Jeff Garzik09f75cd2007-10-03 17:41:50 -07003310 dev->stats.tx_errors++;
Li Yangce973b12006-08-14 23:00:11 -07003311 }
Li Yangce973b12006-08-14 23:00:11 -07003312
3313 return IRQ_HANDLED;
3314}
3315
Anton Vorontsov26d29ea2008-02-01 16:22:54 +03003316#ifdef CONFIG_NET_POLL_CONTROLLER
3317/*
3318 * Polling 'interrupt' - used by things like netconsole to send skbs
3319 * without having to re-enable interrupts. It's not called while
3320 * the interrupt routine is executing.
3321 */
3322static void ucc_netpoll(struct net_device *dev)
3323{
3324 struct ucc_geth_private *ugeth = netdev_priv(dev);
3325 int irq = ugeth->ug_info->uf_info.irq;
3326
3327 disable_irq(irq);
3328 ucc_geth_irq_handler(irq, dev);
3329 enable_irq(irq);
3330}
3331#endif /* CONFIG_NET_POLL_CONTROLLER */
3332
Li Yangce973b12006-08-14 23:00:11 -07003333/* Called when something needs to use the ethernet device */
3334/* Returns 0 for success. */
3335static int ucc_geth_open(struct net_device *dev)
3336{
Li Yang18a8e862006-10-19 21:07:34 -05003337 struct ucc_geth_private *ugeth = netdev_priv(dev);
Li Yangce973b12006-08-14 23:00:11 -07003338 int err;
3339
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07003340 ugeth_vdbg("%s: IN", __func__);
Li Yangce973b12006-08-14 23:00:11 -07003341
3342 /* Test station address */
3343 if (dev->dev_addr[0] & ENET_GROUP_ADDR) {
Li Yang890de952007-07-19 11:48:29 +08003344 if (netif_msg_ifup(ugeth))
3345 ugeth_err("%s: Multicast address used for station address"
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07003346 " - is this what you wanted?", __func__);
Li Yangce973b12006-08-14 23:00:11 -07003347 return -EINVAL;
3348 }
3349
Kim Phillips728de4c92007-04-13 01:26:03 -05003350 err = ucc_struct_init(ugeth);
3351 if (err) {
Li Yang890de952007-07-19 11:48:29 +08003352 if (netif_msg_ifup(ugeth))
3353 ugeth_err("%s: Cannot configure internal struct, aborting.", dev->name);
Anton Vorontsov3e73fc92008-12-18 08:23:33 +00003354 goto out_err_stop;
Kim Phillips728de4c92007-04-13 01:26:03 -05003355 }
3356
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003357 napi_enable(&ugeth->napi);
Francois Romieu1a342d22008-07-11 00:34:40 +02003358
Li Yangce973b12006-08-14 23:00:11 -07003359 err = ucc_geth_startup(ugeth);
3360 if (err) {
Li Yang890de952007-07-19 11:48:29 +08003361 if (netif_msg_ifup(ugeth))
3362 ugeth_err("%s: Cannot configure net device, aborting.",
3363 dev->name);
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003364 goto out_err;
Li Yangce973b12006-08-14 23:00:11 -07003365 }
3366
3367 err = adjust_enet_interface(ugeth);
3368 if (err) {
Li Yang890de952007-07-19 11:48:29 +08003369 if (netif_msg_ifup(ugeth))
3370 ugeth_err("%s: Cannot configure net device, aborting.",
3371 dev->name);
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003372 goto out_err;
Li Yangce973b12006-08-14 23:00:11 -07003373 }
3374
3375 /* Set MACSTNADDR1, MACSTNADDR2 */
3376 /* For more details see the hardware spec. */
3377 init_mac_station_addr_regs(dev->dev_addr[0],
3378 dev->dev_addr[1],
3379 dev->dev_addr[2],
3380 dev->dev_addr[3],
3381 dev->dev_addr[4],
3382 dev->dev_addr[5],
3383 &ugeth->ug_regs->macstnaddr1,
3384 &ugeth->ug_regs->macstnaddr2);
3385
3386 err = init_phy(dev);
3387 if (err) {
Li Yang890de952007-07-19 11:48:29 +08003388 if (netif_msg_ifup(ugeth))
3389 ugeth_err("%s: Cannot initialize PHY, aborting.", dev->name);
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003390 goto out_err;
Li Yangce973b12006-08-14 23:00:11 -07003391 }
Kim Phillips728de4c92007-04-13 01:26:03 -05003392
3393 phy_start(ugeth->phydev);
3394
Li Yangce973b12006-08-14 23:00:11 -07003395 err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
3396 if (err) {
Li Yang890de952007-07-19 11:48:29 +08003397 if (netif_msg_ifup(ugeth))
3398 ugeth_err("%s: Cannot enable net device, aborting.", dev->name);
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003399 goto out_err;
Li Yangce973b12006-08-14 23:00:11 -07003400 }
3401
Anton Vorontsov67c2fb82008-12-18 08:23:29 +00003402 err = request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler,
3403 0, "UCC Geth", dev);
3404 if (err) {
3405 if (netif_msg_ifup(ugeth))
3406 ugeth_err("%s: Cannot get IRQ for net device, aborting.",
3407 dev->name);
Anton Vorontsov67c2fb82008-12-18 08:23:29 +00003408 goto out_err;
3409 }
3410
Li Yangce973b12006-08-14 23:00:11 -07003411 netif_start_queue(dev);
3412
3413 return err;
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003414
3415out_err:
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003416 napi_disable(&ugeth->napi);
Anton Vorontsov3e73fc92008-12-18 08:23:33 +00003417out_err_stop:
Anton Vorontsovba574692008-12-18 08:23:31 +00003418 ucc_geth_stop(ugeth);
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003419 return err;
Li Yangce973b12006-08-14 23:00:11 -07003420}
3421
3422/* Stops the kernel queue, and halts the controller */
3423static int ucc_geth_close(struct net_device *dev)
3424{
Li Yang18a8e862006-10-19 21:07:34 -05003425 struct ucc_geth_private *ugeth = netdev_priv(dev);
Li Yangce973b12006-08-14 23:00:11 -07003426
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07003427 ugeth_vdbg("%s: IN", __func__);
Li Yangce973b12006-08-14 23:00:11 -07003428
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003429 napi_disable(&ugeth->napi);
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003430
Li Yangce973b12006-08-14 23:00:11 -07003431 ucc_geth_stop(ugeth);
3432
Anton Vorontsov67c2fb82008-12-18 08:23:29 +00003433 free_irq(ugeth->ug_info->uf_info.irq, ugeth->dev);
3434
Kim Phillips728de4c92007-04-13 01:26:03 -05003435 phy_disconnect(ugeth->phydev);
3436 ugeth->phydev = NULL;
Li Yangce973b12006-08-14 23:00:11 -07003437
3438 netif_stop_queue(dev);
3439
3440 return 0;
3441}
3442
Anton Vorontsovfdb614c2008-12-23 06:59:25 +00003443/* Reopen device. This will reset the MAC and PHY. */
3444static void ucc_geth_timeout_work(struct work_struct *work)
3445{
3446 struct ucc_geth_private *ugeth;
3447 struct net_device *dev;
3448
3449 ugeth = container_of(work, struct ucc_geth_private, timeout_work);
3450 dev = ugeth->dev;
3451
3452 ugeth_vdbg("%s: IN", __func__);
3453
3454 dev->stats.tx_errors++;
3455
3456 ugeth_dump_regs(ugeth);
3457
3458 if (dev->flags & IFF_UP) {
3459 /*
3460 * Must reset MAC *and* PHY. This is done by reopening
3461 * the device.
3462 */
3463 ucc_geth_close(dev);
3464 ucc_geth_open(dev);
3465 }
3466
3467 netif_tx_schedule_all(dev);
3468}
3469
3470/*
3471 * ucc_geth_timeout gets called when a packet has not been
3472 * transmitted after a set amount of time.
3473 */
3474static void ucc_geth_timeout(struct net_device *dev)
3475{
3476 struct ucc_geth_private *ugeth = netdev_priv(dev);
3477
3478 netif_carrier_off(dev);
3479 schedule_work(&ugeth->timeout_work);
3480}
3481
Kim Phillips4e19b5c2007-05-11 18:25:07 -05003482static phy_interface_t to_phy_interface(const char *phy_connection_type)
Kim Phillips728de4c92007-04-13 01:26:03 -05003483{
Kim Phillips4e19b5c2007-05-11 18:25:07 -05003484 if (strcasecmp(phy_connection_type, "mii") == 0)
Kim Phillips728de4c92007-04-13 01:26:03 -05003485 return PHY_INTERFACE_MODE_MII;
Kim Phillips4e19b5c2007-05-11 18:25:07 -05003486 if (strcasecmp(phy_connection_type, "gmii") == 0)
Kim Phillips728de4c92007-04-13 01:26:03 -05003487 return PHY_INTERFACE_MODE_GMII;
Kim Phillips4e19b5c2007-05-11 18:25:07 -05003488 if (strcasecmp(phy_connection_type, "tbi") == 0)
Kim Phillips728de4c92007-04-13 01:26:03 -05003489 return PHY_INTERFACE_MODE_TBI;
Kim Phillips4e19b5c2007-05-11 18:25:07 -05003490 if (strcasecmp(phy_connection_type, "rmii") == 0)
Kim Phillips728de4c92007-04-13 01:26:03 -05003491 return PHY_INTERFACE_MODE_RMII;
Kim Phillips4e19b5c2007-05-11 18:25:07 -05003492 if (strcasecmp(phy_connection_type, "rgmii") == 0)
Kim Phillips728de4c92007-04-13 01:26:03 -05003493 return PHY_INTERFACE_MODE_RGMII;
Kim Phillips4e19b5c2007-05-11 18:25:07 -05003494 if (strcasecmp(phy_connection_type, "rgmii-id") == 0)
Kim Phillips728de4c92007-04-13 01:26:03 -05003495 return PHY_INTERFACE_MODE_RGMII_ID;
Kim Phillipsbd0ceaa2007-11-26 16:17:58 -06003496 if (strcasecmp(phy_connection_type, "rgmii-txid") == 0)
3497 return PHY_INTERFACE_MODE_RGMII_TXID;
3498 if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0)
3499 return PHY_INTERFACE_MODE_RGMII_RXID;
Kim Phillips4e19b5c2007-05-11 18:25:07 -05003500 if (strcasecmp(phy_connection_type, "rtbi") == 0)
Kim Phillips728de4c92007-04-13 01:26:03 -05003501 return PHY_INTERFACE_MODE_RTBI;
3502
3503 return PHY_INTERFACE_MODE_MII;
3504}
3505
Li Yang18a8e862006-10-19 21:07:34 -05003506static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *match)
Li Yangce973b12006-08-14 23:00:11 -07003507{
Li Yang18a8e862006-10-19 21:07:34 -05003508 struct device *device = &ofdev->dev;
3509 struct device_node *np = ofdev->node;
Kim Phillips728de4c92007-04-13 01:26:03 -05003510 struct device_node *mdio;
Li Yangce973b12006-08-14 23:00:11 -07003511 struct net_device *dev = NULL;
3512 struct ucc_geth_private *ugeth = NULL;
3513 struct ucc_geth_info *ug_info;
Li Yang18a8e862006-10-19 21:07:34 -05003514 struct resource res;
3515 struct device_node *phy;
Kim Phillips728de4c92007-04-13 01:26:03 -05003516 int err, ucc_num, max_speed = 0;
Li Yang18a8e862006-10-19 21:07:34 -05003517 const phandle *ph;
Joakim Tjernlund3d137fd2008-04-11 00:54:43 +02003518 const u32 *fixed_link;
Li Yang18a8e862006-10-19 21:07:34 -05003519 const unsigned int *prop;
Timur Tabi9fb1e352007-12-03 15:17:59 -06003520 const char *sprop;
Li Yang9b4c7a42007-02-08 17:35:54 +08003521 const void *mac_addr;
Kim Phillips728de4c92007-04-13 01:26:03 -05003522 phy_interface_t phy_interface;
3523 static const int enet_to_speed[] = {
3524 SPEED_10, SPEED_10, SPEED_10,
3525 SPEED_100, SPEED_100, SPEED_100,
3526 SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000,
3527 };
3528 static const phy_interface_t enet_to_phy_interface[] = {
3529 PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII,
3530 PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII,
3531 PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII,
3532 PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII,
3533 PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI,
3534 };
Li Yangce973b12006-08-14 23:00:11 -07003535
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07003536 ugeth_vdbg("%s: IN", __func__);
Li Yangce973b12006-08-14 23:00:11 -07003537
Anton Vorontsov56626f32008-04-11 20:06:54 +04003538 prop = of_get_property(np, "cell-index", NULL);
3539 if (!prop) {
3540 prop = of_get_property(np, "device-id", NULL);
3541 if (!prop)
3542 return -ENODEV;
3543 }
3544
Li Yang18a8e862006-10-19 21:07:34 -05003545 ucc_num = *prop - 1;
3546 if ((ucc_num < 0) || (ucc_num > 7))
3547 return -ENODEV;
Li Yangce973b12006-08-14 23:00:11 -07003548
Li Yang18a8e862006-10-19 21:07:34 -05003549 ug_info = &ugeth_info[ucc_num];
Li Yang890de952007-07-19 11:48:29 +08003550 if (ug_info == NULL) {
3551 if (netif_msg_probe(&debug))
3552 ugeth_err("%s: [%d] Missing additional data!",
Harvey Harrisonb39d66a2008-08-20 16:52:04 -07003553 __func__, ucc_num);
Li Yang890de952007-07-19 11:48:29 +08003554 return -ENODEV;
3555 }
3556
Li Yang18a8e862006-10-19 21:07:34 -05003557 ug_info->uf_info.ucc_num = ucc_num;
Kim Phillips728de4c92007-04-13 01:26:03 -05003558
Timur Tabi9fb1e352007-12-03 15:17:59 -06003559 sprop = of_get_property(np, "rx-clock-name", NULL);
3560 if (sprop) {
3561 ug_info->uf_info.rx_clock = qe_clock_source(sprop);
3562 if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) ||
3563 (ug_info->uf_info.rx_clock > QE_CLK24)) {
3564 printk(KERN_ERR
3565 "ucc_geth: invalid rx-clock-name property\n");
3566 return -EINVAL;
3567 }
3568 } else {
3569 prop = of_get_property(np, "rx-clock", NULL);
3570 if (!prop) {
3571 /* If both rx-clock-name and rx-clock are missing,
3572 we want to tell people to use rx-clock-name. */
3573 printk(KERN_ERR
3574 "ucc_geth: missing rx-clock-name property\n");
3575 return -EINVAL;
3576 }
3577 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3578 printk(KERN_ERR
3579 "ucc_geth: invalid rx-clock propperty\n");
3580 return -EINVAL;
3581 }
3582 ug_info->uf_info.rx_clock = *prop;
3583 }
3584
3585 sprop = of_get_property(np, "tx-clock-name", NULL);
3586 if (sprop) {
3587 ug_info->uf_info.tx_clock = qe_clock_source(sprop);
3588 if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) ||
3589 (ug_info->uf_info.tx_clock > QE_CLK24)) {
3590 printk(KERN_ERR
3591 "ucc_geth: invalid tx-clock-name property\n");
3592 return -EINVAL;
3593 }
3594 } else {
Joakim Tjernlunde4105532008-04-29 13:03:57 +02003595 prop = of_get_property(np, "tx-clock", NULL);
Timur Tabi9fb1e352007-12-03 15:17:59 -06003596 if (!prop) {
3597 printk(KERN_ERR
3598 "ucc_geth: mising tx-clock-name property\n");
3599 return -EINVAL;
3600 }
3601 if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) {
3602 printk(KERN_ERR
3603 "ucc_geth: invalid tx-clock property\n");
3604 return -EINVAL;
3605 }
3606 ug_info->uf_info.tx_clock = *prop;
3607 }
3608
Li Yang18a8e862006-10-19 21:07:34 -05003609 err = of_address_to_resource(np, 0, &res);
3610 if (err)
3611 return -EINVAL;
3612
3613 ug_info->uf_info.regs = res.start;
3614 ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
Joakim Tjernlund3d137fd2008-04-11 00:54:43 +02003615 fixed_link = of_get_property(np, "fixed-link", NULL);
3616 if (fixed_link) {
Andy Flemingf38d1002008-04-23 16:56:17 -05003617 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "0");
Joakim Tjernlund3d137fd2008-04-11 00:54:43 +02003618 ug_info->phy_address = fixed_link[0];
3619 phy = NULL;
3620 } else {
3621 ph = of_get_property(np, "phy-handle", NULL);
3622 phy = of_find_node_by_phandle(*ph);
Li Yang18a8e862006-10-19 21:07:34 -05003623
Joakim Tjernlund3d137fd2008-04-11 00:54:43 +02003624 if (phy == NULL)
3625 return -ENODEV;
Li Yang18a8e862006-10-19 21:07:34 -05003626
Joakim Tjernlund3d137fd2008-04-11 00:54:43 +02003627 /* set the PHY address */
3628 prop = of_get_property(phy, "reg", NULL);
3629 if (prop == NULL)
3630 return -1;
3631 ug_info->phy_address = *prop;
Li Yang18a8e862006-10-19 21:07:34 -05003632
Joakim Tjernlund3d137fd2008-04-11 00:54:43 +02003633 /* Set the bus id */
3634 mdio = of_get_parent(phy);
3635
3636 if (mdio == NULL)
3637 return -1;
3638
3639 err = of_address_to_resource(mdio, 0, &res);
3640 of_node_put(mdio);
3641
3642 if (err)
3643 return -1;
3644
Andy Fleming9d9326d2008-04-09 19:38:13 -05003645 snprintf(ug_info->mdio_bus, MII_BUS_ID_SIZE, "%x", res.start);
Joakim Tjernlund3d137fd2008-04-11 00:54:43 +02003646 }
Kim Phillips728de4c92007-04-13 01:26:03 -05003647
3648 /* get the phy interface type, or default to MII */
Kim Phillips4e19b5c2007-05-11 18:25:07 -05003649 prop = of_get_property(np, "phy-connection-type", NULL);
Kim Phillips728de4c92007-04-13 01:26:03 -05003650 if (!prop) {
3651 /* handle interface property present in old trees */
Stephen Rothwell40cd3a42007-05-01 13:54:02 +10003652 prop = of_get_property(phy, "interface", NULL);
Kim Phillips4e19b5c2007-05-11 18:25:07 -05003653 if (prop != NULL) {
Kim Phillips728de4c92007-04-13 01:26:03 -05003654 phy_interface = enet_to_phy_interface[*prop];
Kim Phillips4e19b5c2007-05-11 18:25:07 -05003655 max_speed = enet_to_speed[*prop];
3656 } else
Kim Phillips728de4c92007-04-13 01:26:03 -05003657 phy_interface = PHY_INTERFACE_MODE_MII;
3658 } else {
3659 phy_interface = to_phy_interface((const char *)prop);
3660 }
3661
Kim Phillips4e19b5c2007-05-11 18:25:07 -05003662 /* get speed, or derive from PHY interface */
3663 if (max_speed == 0)
Kim Phillips728de4c92007-04-13 01:26:03 -05003664 switch (phy_interface) {
3665 case PHY_INTERFACE_MODE_GMII:
3666 case PHY_INTERFACE_MODE_RGMII:
3667 case PHY_INTERFACE_MODE_RGMII_ID:
Kim Phillipsbd0ceaa2007-11-26 16:17:58 -06003668 case PHY_INTERFACE_MODE_RGMII_RXID:
3669 case PHY_INTERFACE_MODE_RGMII_TXID:
Kim Phillips728de4c92007-04-13 01:26:03 -05003670 case PHY_INTERFACE_MODE_TBI:
3671 case PHY_INTERFACE_MODE_RTBI:
3672 max_speed = SPEED_1000;
3673 break;
3674 default:
3675 max_speed = SPEED_100;
3676 break;
3677 }
Kim Phillips728de4c92007-04-13 01:26:03 -05003678
3679 if (max_speed == SPEED_1000) {
Kim Phillips4e19b5c2007-05-11 18:25:07 -05003680 /* configure muram FIFOs for gigabit operation */
Kim Phillips728de4c92007-04-13 01:26:03 -05003681 ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT;
3682 ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT;
3683 ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT;
3684 ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT;
3685 ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT;
3686 ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT;
Joakim Tjernlundffea31e2008-03-06 18:48:46 +08003687 ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4;
3688 ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4;
Kim Phillips728de4c92007-04-13 01:26:03 -05003689 }
3690
Li Yang890de952007-07-19 11:48:29 +08003691 if (netif_msg_probe(&debug))
3692 printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d) \n",
3693 ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs,
3694 ug_info->uf_info.irq);
Li Yangce973b12006-08-14 23:00:11 -07003695
Li Yangce973b12006-08-14 23:00:11 -07003696 /* Create an ethernet device instance */
3697 dev = alloc_etherdev(sizeof(*ugeth));
3698
3699 if (dev == NULL)
3700 return -ENOMEM;
3701
3702 ugeth = netdev_priv(dev);
3703 spin_lock_init(&ugeth->lock);
3704
Anton Vorontsov80a9fad2008-02-01 16:22:48 +03003705 /* Create CQs for hash tables */
3706 INIT_LIST_HEAD(&ugeth->group_hash_q);
3707 INIT_LIST_HEAD(&ugeth->ind_hash_q);
3708
Li Yangce973b12006-08-14 23:00:11 -07003709 dev_set_drvdata(device, dev);
3710
3711 /* Set the dev->base_addr to the gfar reg region */
3712 dev->base_addr = (unsigned long)(ug_info->uf_info.regs);
3713
Li Yangce973b12006-08-14 23:00:11 -07003714 SET_NETDEV_DEV(dev, device);
3715
3716 /* Fill in the dev structure */
Li Yangac421852007-07-19 11:47:47 +08003717 uec_set_ethtool_ops(dev);
Li Yangce973b12006-08-14 23:00:11 -07003718 dev->open = ucc_geth_open;
3719 dev->hard_start_xmit = ucc_geth_start_xmit;
3720 dev->tx_timeout = ucc_geth_timeout;
3721 dev->watchdog_timeo = TX_TIMEOUT;
Anton Vorontsov1762a292008-12-18 08:23:26 +00003722 INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work);
Stephen Hemmingerbea33482007-10-03 16:41:36 -07003723 netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT);
Anton Vorontsov26d29ea2008-02-01 16:22:54 +03003724#ifdef CONFIG_NET_POLL_CONTROLLER
3725 dev->poll_controller = ucc_netpoll;
3726#endif
Li Yangce973b12006-08-14 23:00:11 -07003727 dev->stop = ucc_geth_close;
Li Yangce973b12006-08-14 23:00:11 -07003728// dev->change_mtu = ucc_geth_change_mtu;
3729 dev->mtu = 1500;
3730 dev->set_multicast_list = ucc_geth_set_multi;
Li Yangce973b12006-08-14 23:00:11 -07003731
Li Yang890de952007-07-19 11:48:29 +08003732 ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
Kim Phillips728de4c92007-04-13 01:26:03 -05003733 ugeth->phy_interface = phy_interface;
3734 ugeth->max_speed = max_speed;
3735
Li Yangce973b12006-08-14 23:00:11 -07003736 err = register_netdev(dev);
3737 if (err) {
Li Yang890de952007-07-19 11:48:29 +08003738 if (netif_msg_probe(ugeth))
3739 ugeth_err("%s: Cannot register net device, aborting.",
3740 dev->name);
Li Yangce973b12006-08-14 23:00:11 -07003741 free_netdev(dev);
3742 return err;
3743 }
3744
Timur Tabie9eb70c2007-02-21 14:40:12 -06003745 mac_addr = of_get_mac_address(np);
Li Yang9b4c7a42007-02-08 17:35:54 +08003746 if (mac_addr)
3747 memcpy(dev->dev_addr, mac_addr, 6);
Li Yangce973b12006-08-14 23:00:11 -07003748
Kim Phillips728de4c92007-04-13 01:26:03 -05003749 ugeth->ug_info = ug_info;
3750 ugeth->dev = dev;
3751
Li Yangce973b12006-08-14 23:00:11 -07003752 return 0;
3753}
3754
Li Yang18a8e862006-10-19 21:07:34 -05003755static int ucc_geth_remove(struct of_device* ofdev)
Li Yangce973b12006-08-14 23:00:11 -07003756{
Li Yang18a8e862006-10-19 21:07:34 -05003757 struct device *device = &ofdev->dev;
Li Yangce973b12006-08-14 23:00:11 -07003758 struct net_device *dev = dev_get_drvdata(device);
3759 struct ucc_geth_private *ugeth = netdev_priv(dev);
3760
Anton Vorontsov80a9fad2008-02-01 16:22:48 +03003761 unregister_netdev(dev);
Li Yangce973b12006-08-14 23:00:11 -07003762 free_netdev(dev);
Anton Vorontsov80a9fad2008-02-01 16:22:48 +03003763 ucc_geth_memclean(ugeth);
3764 dev_set_drvdata(device, NULL);
Li Yangce973b12006-08-14 23:00:11 -07003765
3766 return 0;
3767}
3768
Li Yang18a8e862006-10-19 21:07:34 -05003769static struct of_device_id ucc_geth_match[] = {
3770 {
3771 .type = "network",
3772 .compatible = "ucc_geth",
3773 },
3774 {},
3775};
3776
3777MODULE_DEVICE_TABLE(of, ucc_geth_match);
3778
3779static struct of_platform_driver ucc_geth_driver = {
3780 .name = DRV_NAME,
3781 .match_table = ucc_geth_match,
3782 .probe = ucc_geth_probe,
3783 .remove = ucc_geth_remove,
Li Yangce973b12006-08-14 23:00:11 -07003784};
3785
3786static int __init ucc_geth_init(void)
3787{
Kim Phillips728de4c92007-04-13 01:26:03 -05003788 int i, ret;
3789
3790 ret = uec_mdio_init();
3791
3792 if (ret)
3793 return ret;
Li Yang18a8e862006-10-19 21:07:34 -05003794
Li Yang890de952007-07-19 11:48:29 +08003795 if (netif_msg_drv(&debug))
3796 printk(KERN_INFO "ucc_geth: " DRV_DESC "\n");
Li Yangce973b12006-08-14 23:00:11 -07003797 for (i = 0; i < 8; i++)
3798 memcpy(&(ugeth_info[i]), &ugeth_primary_info,
3799 sizeof(ugeth_primary_info));
3800
Kim Phillips728de4c92007-04-13 01:26:03 -05003801 ret = of_register_platform_driver(&ucc_geth_driver);
3802
3803 if (ret)
3804 uec_mdio_exit();
3805
3806 return ret;
Li Yangce973b12006-08-14 23:00:11 -07003807}
3808
3809static void __exit ucc_geth_exit(void)
3810{
Kim Phillipsa4f0c2c2006-11-15 12:29:35 -06003811 of_unregister_platform_driver(&ucc_geth_driver);
Kim Phillips728de4c92007-04-13 01:26:03 -05003812 uec_mdio_exit();
Li Yangce973b12006-08-14 23:00:11 -07003813}
3814
3815module_init(ucc_geth_init);
3816module_exit(ucc_geth_exit);
3817
3818MODULE_AUTHOR("Freescale Semiconductor, Inc");
3819MODULE_DESCRIPTION(DRV_DESC);
Kim Phillipsc2bcf002007-04-13 01:26:36 -05003820MODULE_VERSION(DRV_VERSION);
Li Yangce973b12006-08-14 23:00:11 -07003821MODULE_LICENSE("GPL");