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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
4 *
5 * This software may be redistributed and/or modified under
6 * the terms of the GNU General Public License as published by the Free
7 * Software Foundation; either version 2 of the License, or
8 * any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * for more details.
14 *
15 * File: via-velocity.h
16 *
17 * Purpose: Header file to define driver's private structures.
18 *
19 * Author: Chuang Liang-Shing, AJ Jiang
20 *
21 * Date: Jan 24, 2003
22 */
23
24
25#ifndef VELOCITY_H
26#define VELOCITY_H
27
28#define VELOCITY_TX_CSUM_SUPPORT
29
30#define VELOCITY_NAME "via-velocity"
31#define VELOCITY_FULL_DRV_NAM "VIA Networking Velocity Family Gigabit Ethernet Adapter Driver"
Andy Gospodarekd5b20692006-09-11 17:39:18 -040032#define VELOCITY_VERSION "1.14"
Linus Torvalds1da177e2005-04-16 15:20:36 -070033
Jeff Garzikcabb7662006-06-27 09:25:28 -040034#define VELOCITY_IO_SIZE 256
35
Linus Torvalds1da177e2005-04-16 15:20:36 -070036#define PKT_BUF_SZ 1540
37
38#define MAX_UNITS 8
39#define OPTION_DEFAULT { [0 ... MAX_UNITS-1] = -1}
40
41#define REV_ID_VT6110 (0)
42
43#define BYTE_REG_BITS_ON(x,p) do { writeb(readb((p))|(x),(p));} while (0)
44#define WORD_REG_BITS_ON(x,p) do { writew(readw((p))|(x),(p));} while (0)
45#define DWORD_REG_BITS_ON(x,p) do { writel(readl((p))|(x),(p));} while (0)
46
47#define BYTE_REG_BITS_IS_ON(x,p) (readb((p)) & (x))
48#define WORD_REG_BITS_IS_ON(x,p) (readw((p)) & (x))
49#define DWORD_REG_BITS_IS_ON(x,p) (readl((p)) & (x))
50
51#define BYTE_REG_BITS_OFF(x,p) do { writeb(readb((p)) & (~(x)),(p));} while (0)
52#define WORD_REG_BITS_OFF(x,p) do { writew(readw((p)) & (~(x)),(p));} while (0)
53#define DWORD_REG_BITS_OFF(x,p) do { writel(readl((p)) & (~(x)),(p));} while (0)
54
55#define BYTE_REG_BITS_SET(x,m,p) do { writeb( (readb((p)) & (~(m))) |(x),(p));} while (0)
56#define WORD_REG_BITS_SET(x,m,p) do { writew( (readw((p)) & (~(m))) |(x),(p));} while (0)
57#define DWORD_REG_BITS_SET(x,m,p) do { writel( (readl((p)) & (~(m)))|(x),(p));} while (0)
58
59#define VAR_USED(p) do {(p)=(p);} while (0)
60
61/*
62 * Purpose: Structures for MAX RX/TX descriptors.
63 */
64
65
66#define B_OWNED_BY_CHIP 1
67#define B_OWNED_BY_HOST 0
68
69/*
70 * Bits in the RSR0 register
71 */
72
Al Viro4a51c0d2008-01-30 19:10:13 +000073#define RSR_DETAG cpu_to_le16(0x0080)
74#define RSR_SNTAG cpu_to_le16(0x0040)
75#define RSR_RXER cpu_to_le16(0x0020)
76#define RSR_RL cpu_to_le16(0x0010)
77#define RSR_CE cpu_to_le16(0x0008)
78#define RSR_FAE cpu_to_le16(0x0004)
79#define RSR_CRC cpu_to_le16(0x0002)
80#define RSR_VIDM cpu_to_le16(0x0001)
Linus Torvalds1da177e2005-04-16 15:20:36 -070081
82/*
83 * Bits in the RSR1 register
84 */
85
Al Viro4a51c0d2008-01-30 19:10:13 +000086#define RSR_RXOK cpu_to_le16(0x8000) // rx OK
87#define RSR_PFT cpu_to_le16(0x4000) // Perfect filtering address match
88#define RSR_MAR cpu_to_le16(0x2000) // MAC accept multicast address packet
89#define RSR_BAR cpu_to_le16(0x1000) // MAC accept broadcast address packet
90#define RSR_PHY cpu_to_le16(0x0800) // MAC accept physical address packet
91#define RSR_VTAG cpu_to_le16(0x0400) // 802.1p/1q tagging packet indicator
92#define RSR_STP cpu_to_le16(0x0200) // start of packet
93#define RSR_EDP cpu_to_le16(0x0100) // end of packet
Linus Torvalds1da177e2005-04-16 15:20:36 -070094
95/*
96 * Bits in the CSM register
97 */
98
99#define CSM_IPOK 0x40 //IP Checkusm validatiaon ok
100#define CSM_TUPOK 0x20 //TCP/UDP Checkusm validatiaon ok
101#define CSM_FRAG 0x10 //Fragment IP datagram
102#define CSM_IPKT 0x04 //Received an IP packet
103#define CSM_TCPKT 0x02 //Received a TCP packet
104#define CSM_UDPKT 0x01 //Received a UDP packet
105
106/*
107 * Bits in the TSR0 register
108 */
109
Al Viro4a51c0d2008-01-30 19:10:13 +0000110#define TSR0_ABT cpu_to_le16(0x0080) // Tx abort because of excessive collision
111#define TSR0_OWT cpu_to_le16(0x0040) // Jumbo frame Tx abort
112#define TSR0_OWC cpu_to_le16(0x0020) // Out of window collision
113#define TSR0_COLS cpu_to_le16(0x0010) // experience collision in this transmit event
114#define TSR0_NCR3 cpu_to_le16(0x0008) // collision retry counter[3]
115#define TSR0_NCR2 cpu_to_le16(0x0004) // collision retry counter[2]
116#define TSR0_NCR1 cpu_to_le16(0x0002) // collision retry counter[1]
117#define TSR0_NCR0 cpu_to_le16(0x0001) // collision retry counter[0]
118#define TSR0_TERR cpu_to_le16(0x8000) //
119#define TSR0_FDX cpu_to_le16(0x4000) // current transaction is serviced by full duplex mode
120#define TSR0_GMII cpu_to_le16(0x2000) // current transaction is serviced by GMII mode
121#define TSR0_LNKFL cpu_to_le16(0x1000) // packet serviced during link down
122#define TSR0_SHDN cpu_to_le16(0x0400) // shutdown case
123#define TSR0_CRS cpu_to_le16(0x0200) // carrier sense lost
124#define TSR0_CDH cpu_to_le16(0x0100) // AQE test fail (CD heartbeat)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125
126//
127// Bits in the TCR0 register
128//
129#define TCR0_TIC 0x80 // assert interrupt immediately while descriptor has been send complete
130#define TCR0_PIC 0x40 // priority interrupt request, INA# is issued over adaptive interrupt scheme
131#define TCR0_VETAG 0x20 // enable VLAN tag
132#define TCR0_IPCK 0x10 // request IP checksum calculation.
133#define TCR0_UDPCK 0x08 // request UDP checksum calculation.
134#define TCR0_TCPCK 0x04 // request TCP checksum calculation.
135#define TCR0_JMBO 0x02 // indicate a jumbo packet in GMAC side
136#define TCR0_CRC 0x01 // disable CRC generation
137
138#define TCPLS_NORMAL 3
139#define TCPLS_START 2
140#define TCPLS_END 1
141#define TCPLS_MED 0
142
143
144// max transmit or receive buffer size
145#define CB_RX_BUF_SIZE 2048UL // max buffer size
146 // NOTE: must be multiple of 4
147
148#define CB_MAX_RD_NUM 512 // MAX # of RD
149#define CB_MAX_TD_NUM 256 // MAX # of TD
150
151#define CB_INIT_RD_NUM_3119 128 // init # of RD, for setup VT3119
152#define CB_INIT_TD_NUM_3119 64 // init # of TD, for setup VT3119
153
154#define CB_INIT_RD_NUM 128 // init # of RD, for setup default
155#define CB_INIT_TD_NUM 64 // init # of TD, for setup default
156
157// for 3119
158#define CB_TD_RING_NUM 4 // # of TD rings.
159#define CB_MAX_SEG_PER_PKT 7 // max data seg per packet (Tx)
160
161
162/*
163 * If collisions excess 15 times , tx will abort, and
164 * if tx fifo underflow, tx will fail
165 * we should try to resend it
166 */
167
168#define CB_MAX_TX_ABORT_RETRY 3
169
170/*
171 * Receive descriptor
172 */
173
174struct rdesc0 {
Al Viro4a51c0d2008-01-30 19:10:13 +0000175 __le16 RSR; /* Receive status */
176 __le16 len; /* bits 0--13; bit 15 - owner */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700177};
178
179struct rdesc1 {
Al Viro4a51c0d2008-01-30 19:10:13 +0000180 __le16 PQTAG;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700181 u8 CSM;
182 u8 IPKT;
183};
184
Al Viro4a51c0d2008-01-30 19:10:13 +0000185enum {
186 RX_INTEN = __constant_cpu_to_le16(0x8000)
187};
188
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189struct rx_desc {
190 struct rdesc0 rdesc0;
191 struct rdesc1 rdesc1;
Al Viro4a51c0d2008-01-30 19:10:13 +0000192 __le32 pa_low; /* Low 32 bit PCI address */
193 __le16 pa_high; /* Next 16 bit PCI address (48 total) */
194 __le16 size; /* bits 0--14 - frame size, bit 15 - enable int. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195} __attribute__ ((__packed__));
196
197/*
198 * Transmit descriptor
199 */
200
201struct tdesc0 {
Al Viro4a51c0d2008-01-30 19:10:13 +0000202 __le16 TSR; /* Transmit status register */
203 __le16 len; /* bits 0--13 - size of frame, bit 15 - owner */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700204};
205
Al Viro4a51c0d2008-01-30 19:10:13 +0000206struct tdesc1 {
207 __le16 vlan;
208 u8 TCR;
209 u8 cmd; /* bits 0--1 - TCPLS, bits 4--7 - CMDZ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700210} __attribute__ ((__packed__));
211
Al Viro4a51c0d2008-01-30 19:10:13 +0000212enum {
213 TD_QUEUE = __constant_cpu_to_le16(0x8000)
214};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700215
216struct td_buf {
Al Viro4a51c0d2008-01-30 19:10:13 +0000217 __le32 pa_low;
218 __le16 pa_high;
219 __le16 size; /* bits 0--13 - size, bit 15 - queue */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220} __attribute__ ((__packed__));
221
222struct tx_desc {
223 struct tdesc0 tdesc0;
224 struct tdesc1 tdesc1;
225 struct td_buf td_buf[7];
226};
227
228struct velocity_rd_info {
229 struct sk_buff *skb;
230 dma_addr_t skb_dma;
231};
232
Linus Torvalds1da177e2005-04-16 15:20:36 -0700233/*
234 * Used to track transmit side buffers.
235 */
236
237struct velocity_td_info {
238 struct sk_buff *skb;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700239 int nskb_dma;
240 dma_addr_t skb_dma[7];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700241};
242
243enum velocity_owner {
244 OWNED_BY_HOST = 0,
Al Viro4a51c0d2008-01-30 19:10:13 +0000245 OWNED_BY_NIC = __constant_cpu_to_le16(0x8000)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700246};
247
248
249/*
250 * MAC registers and macros.
251 */
252
253
254#define MCAM_SIZE 64
255#define VCAM_SIZE 64
256#define TX_QUEUE_NO 4
257
258#define MAX_HW_MIB_COUNTER 32
Jay Cliburn83055d42006-05-24 00:02:51 +0200259#define VELOCITY_MIN_MTU (64)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700260#define VELOCITY_MAX_MTU (9000)
261
262/*
263 * Registers in the MAC
264 */
265
266#define MAC_REG_PAR 0x00 // physical address
267#define MAC_REG_RCR 0x06
268#define MAC_REG_TCR 0x07
269#define MAC_REG_CR0_SET 0x08
270#define MAC_REG_CR1_SET 0x09
271#define MAC_REG_CR2_SET 0x0A
272#define MAC_REG_CR3_SET 0x0B
273#define MAC_REG_CR0_CLR 0x0C
274#define MAC_REG_CR1_CLR 0x0D
275#define MAC_REG_CR2_CLR 0x0E
276#define MAC_REG_CR3_CLR 0x0F
277#define MAC_REG_MAR 0x10
278#define MAC_REG_CAM 0x10
279#define MAC_REG_DEC_BASE_HI 0x18
280#define MAC_REG_DBF_BASE_HI 0x1C
281#define MAC_REG_ISR_CTL 0x20
282#define MAC_REG_ISR_HOTMR 0x20
283#define MAC_REG_ISR_TSUPTHR 0x20
284#define MAC_REG_ISR_RSUPTHR 0x20
285#define MAC_REG_ISR_CTL1 0x21
286#define MAC_REG_TXE_SR 0x22
287#define MAC_REG_RXE_SR 0x23
288#define MAC_REG_ISR 0x24
289#define MAC_REG_ISR0 0x24
290#define MAC_REG_ISR1 0x25
291#define MAC_REG_ISR2 0x26
292#define MAC_REG_ISR3 0x27
293#define MAC_REG_IMR 0x28
294#define MAC_REG_IMR0 0x28
295#define MAC_REG_IMR1 0x29
296#define MAC_REG_IMR2 0x2A
297#define MAC_REG_IMR3 0x2B
298#define MAC_REG_TDCSR_SET 0x30
299#define MAC_REG_RDCSR_SET 0x32
300#define MAC_REG_TDCSR_CLR 0x34
301#define MAC_REG_RDCSR_CLR 0x36
302#define MAC_REG_RDBASE_LO 0x38
303#define MAC_REG_RDINDX 0x3C
304#define MAC_REG_TDBASE_LO 0x40
305#define MAC_REG_RDCSIZE 0x50
306#define MAC_REG_TDCSIZE 0x52
307#define MAC_REG_TDINDX 0x54
308#define MAC_REG_TDIDX0 0x54
309#define MAC_REG_TDIDX1 0x56
310#define MAC_REG_TDIDX2 0x58
311#define MAC_REG_TDIDX3 0x5A
312#define MAC_REG_PAUSE_TIMER 0x5C
313#define MAC_REG_RBRDU 0x5E
314#define MAC_REG_FIFO_TEST0 0x60
315#define MAC_REG_FIFO_TEST1 0x64
316#define MAC_REG_CAMADDR 0x68
317#define MAC_REG_CAMCR 0x69
318#define MAC_REG_GFTEST 0x6A
319#define MAC_REG_FTSTCMD 0x6B
320#define MAC_REG_MIICFG 0x6C
321#define MAC_REG_MIISR 0x6D
322#define MAC_REG_PHYSR0 0x6E
323#define MAC_REG_PHYSR1 0x6F
324#define MAC_REG_MIICR 0x70
325#define MAC_REG_MIIADR 0x71
326#define MAC_REG_MIIDATA 0x72
327#define MAC_REG_SOFT_TIMER0 0x74
328#define MAC_REG_SOFT_TIMER1 0x76
329#define MAC_REG_CFGA 0x78
330#define MAC_REG_CFGB 0x79
331#define MAC_REG_CFGC 0x7A
332#define MAC_REG_CFGD 0x7B
333#define MAC_REG_DCFG0 0x7C
334#define MAC_REG_DCFG1 0x7D
335#define MAC_REG_MCFG0 0x7E
336#define MAC_REG_MCFG1 0x7F
337
338#define MAC_REG_TBIST 0x80
339#define MAC_REG_RBIST 0x81
340#define MAC_REG_PMCC 0x82
341#define MAC_REG_STICKHW 0x83
342#define MAC_REG_MIBCR 0x84
343#define MAC_REG_EERSV 0x85
344#define MAC_REG_REVID 0x86
345#define MAC_REG_MIBREAD 0x88
346#define MAC_REG_BPMA 0x8C
347#define MAC_REG_EEWR_DATA 0x8C
348#define MAC_REG_BPMD_WR 0x8F
349#define MAC_REG_BPCMD 0x90
350#define MAC_REG_BPMD_RD 0x91
351#define MAC_REG_EECHKSUM 0x92
352#define MAC_REG_EECSR 0x93
353#define MAC_REG_EERD_DATA 0x94
354#define MAC_REG_EADDR 0x96
355#define MAC_REG_EMBCMD 0x97
356#define MAC_REG_JMPSR0 0x98
357#define MAC_REG_JMPSR1 0x99
358#define MAC_REG_JMPSR2 0x9A
359#define MAC_REG_JMPSR3 0x9B
360#define MAC_REG_CHIPGSR 0x9C
361#define MAC_REG_TESTCFG 0x9D
362#define MAC_REG_DEBUG 0x9E
363#define MAC_REG_CHIPGCR 0x9F
364#define MAC_REG_WOLCR0_SET 0xA0
365#define MAC_REG_WOLCR1_SET 0xA1
366#define MAC_REG_PWCFG_SET 0xA2
367#define MAC_REG_WOLCFG_SET 0xA3
368#define MAC_REG_WOLCR0_CLR 0xA4
369#define MAC_REG_WOLCR1_CLR 0xA5
370#define MAC_REG_PWCFG_CLR 0xA6
371#define MAC_REG_WOLCFG_CLR 0xA7
372#define MAC_REG_WOLSR0_SET 0xA8
373#define MAC_REG_WOLSR1_SET 0xA9
374#define MAC_REG_WOLSR0_CLR 0xAC
375#define MAC_REG_WOLSR1_CLR 0xAD
376#define MAC_REG_PATRN_CRC0 0xB0
377#define MAC_REG_PATRN_CRC1 0xB2
378#define MAC_REG_PATRN_CRC2 0xB4
379#define MAC_REG_PATRN_CRC3 0xB6
380#define MAC_REG_PATRN_CRC4 0xB8
381#define MAC_REG_PATRN_CRC5 0xBA
382#define MAC_REG_PATRN_CRC6 0xBC
383#define MAC_REG_PATRN_CRC7 0xBE
384#define MAC_REG_BYTEMSK0_0 0xC0
385#define MAC_REG_BYTEMSK0_1 0xC4
386#define MAC_REG_BYTEMSK0_2 0xC8
387#define MAC_REG_BYTEMSK0_3 0xCC
388#define MAC_REG_BYTEMSK1_0 0xD0
389#define MAC_REG_BYTEMSK1_1 0xD4
390#define MAC_REG_BYTEMSK1_2 0xD8
391#define MAC_REG_BYTEMSK1_3 0xDC
392#define MAC_REG_BYTEMSK2_0 0xE0
393#define MAC_REG_BYTEMSK2_1 0xE4
394#define MAC_REG_BYTEMSK2_2 0xE8
395#define MAC_REG_BYTEMSK2_3 0xEC
396#define MAC_REG_BYTEMSK3_0 0xF0
397#define MAC_REG_BYTEMSK3_1 0xF4
398#define MAC_REG_BYTEMSK3_2 0xF8
399#define MAC_REG_BYTEMSK3_3 0xFC
400
401/*
402 * Bits in the RCR register
403 */
404
405#define RCR_AS 0x80
406#define RCR_AP 0x40
407#define RCR_AL 0x20
408#define RCR_PROM 0x10
409#define RCR_AB 0x08
410#define RCR_AM 0x04
411#define RCR_AR 0x02
412#define RCR_SEP 0x01
413
414/*
415 * Bits in the TCR register
416 */
417
418#define TCR_TB2BDIS 0x80
419#define TCR_COLTMC1 0x08
420#define TCR_COLTMC0 0x04
421#define TCR_LB1 0x02 /* loopback[1] */
422#define TCR_LB0 0x01 /* loopback[0] */
423
424/*
425 * Bits in the CR0 register
426 */
427
428#define CR0_TXON 0x00000008UL
429#define CR0_RXON 0x00000004UL
430#define CR0_STOP 0x00000002UL /* stop MAC, default = 1 */
431#define CR0_STRT 0x00000001UL /* start MAC */
432#define CR0_SFRST 0x00008000UL /* software reset */
433#define CR0_TM1EN 0x00004000UL
434#define CR0_TM0EN 0x00002000UL
435#define CR0_DPOLL 0x00000800UL /* disable rx/tx auto polling */
436#define CR0_DISAU 0x00000100UL
437#define CR0_XONEN 0x00800000UL
438#define CR0_FDXTFCEN 0x00400000UL /* full-duplex TX flow control enable */
439#define CR0_FDXRFCEN 0x00200000UL /* full-duplex RX flow control enable */
440#define CR0_HDXFCEN 0x00100000UL /* half-duplex flow control enable */
441#define CR0_XHITH1 0x00080000UL /* TX XON high threshold 1 */
442#define CR0_XHITH0 0x00040000UL /* TX XON high threshold 0 */
443#define CR0_XLTH1 0x00020000UL /* TX pause frame low threshold 1 */
444#define CR0_XLTH0 0x00010000UL /* TX pause frame low threshold 0 */
445#define CR0_GSPRST 0x80000000UL
446#define CR0_FORSRST 0x40000000UL
447#define CR0_FPHYRST 0x20000000UL
448#define CR0_DIAG 0x10000000UL
449#define CR0_INTPCTL 0x04000000UL
450#define CR0_GINTMSK1 0x02000000UL
451#define CR0_GINTMSK0 0x01000000UL
452
453/*
454 * Bits in the CR1 register
455 */
456
457#define CR1_SFRST 0x80 /* software reset */
458#define CR1_TM1EN 0x40
459#define CR1_TM0EN 0x20
460#define CR1_DPOLL 0x08 /* disable rx/tx auto polling */
461#define CR1_DISAU 0x01
462
463/*
464 * Bits in the CR2 register
465 */
466
467#define CR2_XONEN 0x80
468#define CR2_FDXTFCEN 0x40 /* full-duplex TX flow control enable */
469#define CR2_FDXRFCEN 0x20 /* full-duplex RX flow control enable */
470#define CR2_HDXFCEN 0x10 /* half-duplex flow control enable */
471#define CR2_XHITH1 0x08 /* TX XON high threshold 1 */
472#define CR2_XHITH0 0x04 /* TX XON high threshold 0 */
473#define CR2_XLTH1 0x02 /* TX pause frame low threshold 1 */
474#define CR2_XLTH0 0x01 /* TX pause frame low threshold 0 */
475
476/*
477 * Bits in the CR3 register
478 */
479
480#define CR3_GSPRST 0x80
481#define CR3_FORSRST 0x40
482#define CR3_FPHYRST 0x20
483#define CR3_DIAG 0x10
484#define CR3_INTPCTL 0x04
485#define CR3_GINTMSK1 0x02
486#define CR3_GINTMSK0 0x01
487
488#define ISRCTL_UDPINT 0x8000
489#define ISRCTL_TSUPDIS 0x4000
490#define ISRCTL_RSUPDIS 0x2000
491#define ISRCTL_PMSK1 0x1000
492#define ISRCTL_PMSK0 0x0800
493#define ISRCTL_INTPD 0x0400
494#define ISRCTL_HCRLD 0x0200
495#define ISRCTL_SCRLD 0x0100
496
497/*
498 * Bits in the ISR_CTL1 register
499 */
500
501#define ISRCTL1_UDPINT 0x80
502#define ISRCTL1_TSUPDIS 0x40
503#define ISRCTL1_RSUPDIS 0x20
504#define ISRCTL1_PMSK1 0x10
505#define ISRCTL1_PMSK0 0x08
506#define ISRCTL1_INTPD 0x04
507#define ISRCTL1_HCRLD 0x02
508#define ISRCTL1_SCRLD 0x01
509
510/*
511 * Bits in the TXE_SR register
512 */
513
514#define TXESR_TFDBS 0x08
515#define TXESR_TDWBS 0x04
516#define TXESR_TDRBS 0x02
517#define TXESR_TDSTR 0x01
518
519/*
520 * Bits in the RXE_SR register
521 */
522
523#define RXESR_RFDBS 0x08
524#define RXESR_RDWBS 0x04
525#define RXESR_RDRBS 0x02
526#define RXESR_RDSTR 0x01
527
528/*
529 * Bits in the ISR register
530 */
531
532#define ISR_ISR3 0x80000000UL
533#define ISR_ISR2 0x40000000UL
534#define ISR_ISR1 0x20000000UL
535#define ISR_ISR0 0x10000000UL
536#define ISR_TXSTLI 0x02000000UL
537#define ISR_RXSTLI 0x01000000UL
538#define ISR_HFLD 0x00800000UL
539#define ISR_UDPI 0x00400000UL
540#define ISR_MIBFI 0x00200000UL
541#define ISR_SHDNI 0x00100000UL
542#define ISR_PHYI 0x00080000UL
543#define ISR_PWEI 0x00040000UL
544#define ISR_TMR1I 0x00020000UL
545#define ISR_TMR0I 0x00010000UL
546#define ISR_SRCI 0x00008000UL
547#define ISR_LSTPEI 0x00004000UL
548#define ISR_LSTEI 0x00002000UL
549#define ISR_OVFI 0x00001000UL
550#define ISR_FLONI 0x00000800UL
551#define ISR_RACEI 0x00000400UL
552#define ISR_TXWB1I 0x00000200UL
553#define ISR_TXWB0I 0x00000100UL
554#define ISR_PTX3I 0x00000080UL
555#define ISR_PTX2I 0x00000040UL
556#define ISR_PTX1I 0x00000020UL
557#define ISR_PTX0I 0x00000010UL
558#define ISR_PTXI 0x00000008UL
559#define ISR_PRXI 0x00000004UL
560#define ISR_PPTXI 0x00000002UL
561#define ISR_PPRXI 0x00000001UL
562
563/*
564 * Bits in the IMR register
565 */
566
567#define IMR_TXSTLM 0x02000000UL
568#define IMR_UDPIM 0x00400000UL
569#define IMR_MIBFIM 0x00200000UL
570#define IMR_SHDNIM 0x00100000UL
571#define IMR_PHYIM 0x00080000UL
572#define IMR_PWEIM 0x00040000UL
573#define IMR_TMR1IM 0x00020000UL
574#define IMR_TMR0IM 0x00010000UL
575
576#define IMR_SRCIM 0x00008000UL
577#define IMR_LSTPEIM 0x00004000UL
578#define IMR_LSTEIM 0x00002000UL
579#define IMR_OVFIM 0x00001000UL
580#define IMR_FLONIM 0x00000800UL
581#define IMR_RACEIM 0x00000400UL
582#define IMR_TXWB1IM 0x00000200UL
583#define IMR_TXWB0IM 0x00000100UL
584
585#define IMR_PTX3IM 0x00000080UL
586#define IMR_PTX2IM 0x00000040UL
587#define IMR_PTX1IM 0x00000020UL
588#define IMR_PTX0IM 0x00000010UL
589#define IMR_PTXIM 0x00000008UL
590#define IMR_PRXIM 0x00000004UL
591#define IMR_PPTXIM 0x00000002UL
592#define IMR_PPRXIM 0x00000001UL
593
594/* 0x0013FB0FUL = initial value of IMR */
595
596#define INT_MASK_DEF (IMR_PPTXIM|IMR_PPRXIM|IMR_PTXIM|IMR_PRXIM|\
597 IMR_PWEIM|IMR_TXWB0IM|IMR_TXWB1IM|IMR_FLONIM|\
598 IMR_OVFIM|IMR_LSTEIM|IMR_LSTPEIM|IMR_SRCIM|IMR_MIBFIM|\
599 IMR_SHDNIM|IMR_TMR1IM|IMR_TMR0IM|IMR_TXSTLM)
600
601/*
602 * Bits in the TDCSR0/1, RDCSR0 register
603 */
604
605#define TRDCSR_DEAD 0x0008
606#define TRDCSR_WAK 0x0004
607#define TRDCSR_ACT 0x0002
608#define TRDCSR_RUN 0x0001
609
610/*
611 * Bits in the CAMADDR register
612 */
613
614#define CAMADDR_CAMEN 0x80
615#define CAMADDR_VCAMSL 0x40
616
617/*
618 * Bits in the CAMCR register
619 */
620
621#define CAMCR_PS1 0x80
622#define CAMCR_PS0 0x40
623#define CAMCR_AITRPKT 0x20
624#define CAMCR_AITR16 0x10
625#define CAMCR_CAMRD 0x08
626#define CAMCR_CAMWR 0x04
627#define CAMCR_PS_CAM_MASK 0x40
628#define CAMCR_PS_CAM_DATA 0x80
629#define CAMCR_PS_MAR 0x00
630
631/*
632 * Bits in the MIICFG register
633 */
634
635#define MIICFG_MPO1 0x80
636#define MIICFG_MPO0 0x40
637#define MIICFG_MFDC 0x20
638
639/*
640 * Bits in the MIISR register
641 */
642
643#define MIISR_MIDLE 0x80
644
645/*
646 * Bits in the PHYSR0 register
647 */
648
649#define PHYSR0_PHYRST 0x80
650#define PHYSR0_LINKGD 0x40
651#define PHYSR0_FDPX 0x10
652#define PHYSR0_SPDG 0x08
653#define PHYSR0_SPD10 0x04
654#define PHYSR0_RXFLC 0x02
655#define PHYSR0_TXFLC 0x01
656
657/*
658 * Bits in the PHYSR1 register
659 */
660
661#define PHYSR1_PHYTBI 0x01
662
663/*
664 * Bits in the MIICR register
665 */
666
667#define MIICR_MAUTO 0x80
668#define MIICR_RCMD 0x40
669#define MIICR_WCMD 0x20
670#define MIICR_MDPM 0x10
671#define MIICR_MOUT 0x08
672#define MIICR_MDO 0x04
673#define MIICR_MDI 0x02
674#define MIICR_MDC 0x01
675
676/*
677 * Bits in the MIIADR register
678 */
679
680#define MIIADR_SWMPL 0x80
681
682/*
683 * Bits in the CFGA register
684 */
685
686#define CFGA_PMHCTG 0x08
687#define CFGA_GPIO1PD 0x04
688#define CFGA_ABSHDN 0x02
689#define CFGA_PACPI 0x01
690
691/*
692 * Bits in the CFGB register
693 */
694
695#define CFGB_GTCKOPT 0x80
696#define CFGB_MIIOPT 0x40
697#define CFGB_CRSEOPT 0x20
698#define CFGB_OFSET 0x10
699#define CFGB_CRANDOM 0x08
700#define CFGB_CAP 0x04
701#define CFGB_MBA 0x02
702#define CFGB_BAKOPT 0x01
703
704/*
705 * Bits in the CFGC register
706 */
707
708#define CFGC_EELOAD 0x80
709#define CFGC_BROPT 0x40
710#define CFGC_DLYEN 0x20
711#define CFGC_DTSEL 0x10
712#define CFGC_BTSEL 0x08
713#define CFGC_BPS2 0x04 /* bootrom select[2] */
714#define CFGC_BPS1 0x02 /* bootrom select[1] */
715#define CFGC_BPS0 0x01 /* bootrom select[0] */
716
717/*
718 * Bits in the CFGD register
719 */
720
721#define CFGD_IODIS 0x80
722#define CFGD_MSLVDACEN 0x40
723#define CFGD_CFGDACEN 0x20
724#define CFGD_PCI64EN 0x10
725#define CFGD_HTMRL4 0x08
726
727/*
728 * Bits in the DCFG1 register
729 */
730
731#define DCFG_XMWI 0x8000
732#define DCFG_XMRM 0x4000
733#define DCFG_XMRL 0x2000
734#define DCFG_PERDIS 0x1000
735#define DCFG_MRWAIT 0x0400
736#define DCFG_MWWAIT 0x0200
737#define DCFG_LATMEN 0x0100
738
739/*
740 * Bits in the MCFG0 register
741 */
742
743#define MCFG_RXARB 0x0080
744#define MCFG_RFT1 0x0020
745#define MCFG_RFT0 0x0010
746#define MCFG_LOWTHOPT 0x0008
747#define MCFG_PQEN 0x0004
748#define MCFG_RTGOPT 0x0002
749#define MCFG_VIDFR 0x0001
750
751/*
752 * Bits in the MCFG1 register
753 */
754
755#define MCFG_TXARB 0x8000
756#define MCFG_TXQBK1 0x0800
757#define MCFG_TXQBK0 0x0400
758#define MCFG_TXQNOBK 0x0200
759#define MCFG_SNAPOPT 0x0100
760
761/*
762 * Bits in the PMCC register
763 */
764
765#define PMCC_DSI 0x80
766#define PMCC_D2_DIS 0x40
767#define PMCC_D1_DIS 0x20
768#define PMCC_D3C_EN 0x10
769#define PMCC_D3H_EN 0x08
770#define PMCC_D2_EN 0x04
771#define PMCC_D1_EN 0x02
772#define PMCC_D0_EN 0x01
773
774/*
775 * Bits in STICKHW
776 */
777
778#define STICKHW_SWPTAG 0x10
779#define STICKHW_WOLSR 0x08
780#define STICKHW_WOLEN 0x04
781#define STICKHW_DS1 0x02 /* R/W by software/cfg cycle */
782#define STICKHW_DS0 0x01 /* suspend well DS write port */
783
784/*
785 * Bits in the MIBCR register
786 */
787
788#define MIBCR_MIBISTOK 0x80
789#define MIBCR_MIBISTGO 0x40
790#define MIBCR_MIBINC 0x20
791#define MIBCR_MIBHI 0x10
792#define MIBCR_MIBFRZ 0x08
793#define MIBCR_MIBFLSH 0x04
794#define MIBCR_MPTRINI 0x02
795#define MIBCR_MIBCLR 0x01
796
797/*
798 * Bits in the EERSV register
799 */
800
801#define EERSV_BOOT_RPL ((u8) 0x01) /* Boot method selection for VT6110 */
802
803#define EERSV_BOOT_MASK ((u8) 0x06)
804#define EERSV_BOOT_INT19 ((u8) 0x00)
805#define EERSV_BOOT_INT18 ((u8) 0x02)
806#define EERSV_BOOT_LOCAL ((u8) 0x04)
807#define EERSV_BOOT_BEV ((u8) 0x06)
808
809
810/*
811 * Bits in BPCMD
812 */
813
814#define BPCMD_BPDNE 0x80
815#define BPCMD_EBPWR 0x02
816#define BPCMD_EBPRD 0x01
817
818/*
819 * Bits in the EECSR register
820 */
821
822#define EECSR_EMBP 0x40 /* eeprom embeded programming */
823#define EECSR_RELOAD 0x20 /* eeprom content reload */
824#define EECSR_DPM 0x10 /* eeprom direct programming */
825#define EECSR_ECS 0x08 /* eeprom CS pin */
826#define EECSR_ECK 0x04 /* eeprom CK pin */
827#define EECSR_EDI 0x02 /* eeprom DI pin */
828#define EECSR_EDO 0x01 /* eeprom DO pin */
829
830/*
831 * Bits in the EMBCMD register
832 */
833
834#define EMBCMD_EDONE 0x80
835#define EMBCMD_EWDIS 0x08
836#define EMBCMD_EWEN 0x04
837#define EMBCMD_EWR 0x02
838#define EMBCMD_ERD 0x01
839
840/*
841 * Bits in TESTCFG register
842 */
843
844#define TESTCFG_HBDIS 0x80
845
846/*
847 * Bits in CHIPGCR register
848 */
849
850#define CHIPGCR_FCGMII 0x80
851#define CHIPGCR_FCFDX 0x40
852#define CHIPGCR_FCRESV 0x20
853#define CHIPGCR_FCMODE 0x10
854#define CHIPGCR_LPSOPT 0x08
855#define CHIPGCR_TM1US 0x04
856#define CHIPGCR_TM0US 0x02
857#define CHIPGCR_PHYINTEN 0x01
858
859/*
860 * Bits in WOLCR0
861 */
862
863#define WOLCR_MSWOLEN7 0x0080 /* enable pattern match filtering */
864#define WOLCR_MSWOLEN6 0x0040
865#define WOLCR_MSWOLEN5 0x0020
866#define WOLCR_MSWOLEN4 0x0010
867#define WOLCR_MSWOLEN3 0x0008
868#define WOLCR_MSWOLEN2 0x0004
869#define WOLCR_MSWOLEN1 0x0002
870#define WOLCR_MSWOLEN0 0x0001
871#define WOLCR_ARP_EN 0x0001
872
873/*
874 * Bits in WOLCR1
875 */
876
877#define WOLCR_LINKOFF_EN 0x0800 /* link off detected enable */
878#define WOLCR_LINKON_EN 0x0400 /* link on detected enable */
879#define WOLCR_MAGIC_EN 0x0200 /* magic packet filter enable */
880#define WOLCR_UNICAST_EN 0x0100 /* unicast filter enable */
881
882
883/*
884 * Bits in PWCFG
885 */
886
887#define PWCFG_PHYPWOPT 0x80 /* internal MII I/F timing */
888#define PWCFG_PCISTICK 0x40 /* PCI sticky R/W enable */
889#define PWCFG_WOLTYPE 0x20 /* pulse(1) or button (0) */
890#define PWCFG_LEGCY_WOL 0x10
891#define PWCFG_PMCSR_PME_SR 0x08
892#define PWCFG_PMCSR_PME_EN 0x04 /* control by PCISTICK */
893#define PWCFG_LEGACY_WOLSR 0x02 /* Legacy WOL_SR shadow */
894#define PWCFG_LEGACY_WOLEN 0x01 /* Legacy WOL_EN shadow */
895
896/*
897 * Bits in WOLCFG
898 */
899
900#define WOLCFG_PMEOVR 0x80 /* for legacy use, force PMEEN always */
901#define WOLCFG_SAM 0x20 /* accept multicast case reset, default=0 */
902#define WOLCFG_SAB 0x10 /* accept broadcast case reset, default=0 */
903#define WOLCFG_SMIIACC 0x08 /* ?? */
904#define WOLCFG_SGENWH 0x02
905#define WOLCFG_PHYINTEN 0x01 /* 0:PHYINT trigger enable, 1:use internal MII
906 to report status change */
907/*
908 * Bits in WOLSR1
909 */
910
911#define WOLSR_LINKOFF_INT 0x0800
912#define WOLSR_LINKON_INT 0x0400
913#define WOLSR_MAGIC_INT 0x0200
914#define WOLSR_UNICAST_INT 0x0100
915
916/*
917 * Ethernet address filter type
918 */
919
920#define PKT_TYPE_NONE 0x0000 /* Turn off receiver */
921#define PKT_TYPE_DIRECTED 0x0001 /* obselete, directed address is always accepted */
922#define PKT_TYPE_MULTICAST 0x0002
923#define PKT_TYPE_ALL_MULTICAST 0x0004
924#define PKT_TYPE_BROADCAST 0x0008
925#define PKT_TYPE_PROMISCUOUS 0x0020
926#define PKT_TYPE_LONG 0x2000 /* NOTE.... the definition of LONG is >2048 bytes in our chip */
927#define PKT_TYPE_RUNT 0x4000
928#define PKT_TYPE_ERROR 0x8000 /* Accept error packets, e.g. CRC error */
929
930/*
931 * Loopback mode
932 */
933
934#define MAC_LB_NONE 0x00
935#define MAC_LB_INTERNAL 0x01
936#define MAC_LB_EXTERNAL 0x02
937
938/*
939 * Enabled mask value of irq
940 */
941
942#if defined(_SIM)
943#define IMR_MASK_VALUE 0x0033FF0FUL /* initial value of IMR
944 set IMR0 to 0x0F according to spec */
945
946#else
947#define IMR_MASK_VALUE 0x0013FB0FUL /* initial value of IMR
948 ignore MIBFI,RACEI to
949 reduce intr. frequency
950 NOTE.... do not enable NoBuf int mask at driver driver
951 when (1) NoBuf -> RxThreshold = SF
952 (2) OK -> RxThreshold = original value
953 */
954#endif
955
956/*
957 * Revision id
958 */
959
960#define REV_ID_VT3119_A0 0x00
961#define REV_ID_VT3119_A1 0x01
962#define REV_ID_VT3216_A0 0x10
963
964/*
965 * Max time out delay time
966 */
967
968#define W_MAX_TIMEOUT 0x0FFFU
969
970
971/*
972 * MAC registers as a structure. Cannot be directly accessed this
973 * way but generates offsets for readl/writel() calls
974 */
975
976struct mac_regs {
977 volatile u8 PAR[6]; /* 0x00 */
978 volatile u8 RCR;
979 volatile u8 TCR;
980
Al Viro4a51c0d2008-01-30 19:10:13 +0000981 volatile __le32 CR0Set; /* 0x08 */
982 volatile __le32 CR0Clr; /* 0x0C */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700983
984 volatile u8 MARCAM[8]; /* 0x10 */
985
Al Viro4a51c0d2008-01-30 19:10:13 +0000986 volatile __le32 DecBaseHi; /* 0x18 */
987 volatile __le16 DbfBaseHi; /* 0x1C */
988 volatile __le16 reserved_1E;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700989
Al Viro4a51c0d2008-01-30 19:10:13 +0000990 volatile __le16 ISRCTL; /* 0x20 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700991 volatile u8 TXESR;
992 volatile u8 RXESR;
993
Al Viro4a51c0d2008-01-30 19:10:13 +0000994 volatile __le32 ISR; /* 0x24 */
995 volatile __le32 IMR;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700996
Al Viro4a51c0d2008-01-30 19:10:13 +0000997 volatile __le32 TDStatusPort; /* 0x2C */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700998
Al Viro4a51c0d2008-01-30 19:10:13 +0000999 volatile __le16 TDCSRSet; /* 0x30 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001000 volatile u8 RDCSRSet;
1001 volatile u8 reserved_33;
Al Viro4a51c0d2008-01-30 19:10:13 +00001002 volatile __le16 TDCSRClr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001003 volatile u8 RDCSRClr;
1004 volatile u8 reserved_37;
1005
Al Viro4a51c0d2008-01-30 19:10:13 +00001006 volatile __le32 RDBaseLo; /* 0x38 */
1007 volatile __le16 RDIdx; /* 0x3C */
1008 volatile __le16 reserved_3E;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001009
Al Viro4a51c0d2008-01-30 19:10:13 +00001010 volatile __le32 TDBaseLo[4]; /* 0x40 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001011
Al Viro4a51c0d2008-01-30 19:10:13 +00001012 volatile __le16 RDCSize; /* 0x50 */
1013 volatile __le16 TDCSize; /* 0x52 */
1014 volatile __le16 TDIdx[4]; /* 0x54 */
1015 volatile __le16 tx_pause_timer; /* 0x5C */
1016 volatile __le16 RBRDU; /* 0x5E */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001017
Al Viro4a51c0d2008-01-30 19:10:13 +00001018 volatile __le32 FIFOTest0; /* 0x60 */
1019 volatile __le32 FIFOTest1; /* 0x64 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001020
1021 volatile u8 CAMADDR; /* 0x68 */
1022 volatile u8 CAMCR; /* 0x69 */
1023 volatile u8 GFTEST; /* 0x6A */
1024 volatile u8 FTSTCMD; /* 0x6B */
1025
1026 volatile u8 MIICFG; /* 0x6C */
1027 volatile u8 MIISR;
1028 volatile u8 PHYSR0;
1029 volatile u8 PHYSR1;
1030 volatile u8 MIICR;
1031 volatile u8 MIIADR;
Al Viro4a51c0d2008-01-30 19:10:13 +00001032 volatile __le16 MIIDATA;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001033
Al Viro4a51c0d2008-01-30 19:10:13 +00001034 volatile __le16 SoftTimer0; /* 0x74 */
1035 volatile __le16 SoftTimer1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001036
1037 volatile u8 CFGA; /* 0x78 */
1038 volatile u8 CFGB;
1039 volatile u8 CFGC;
1040 volatile u8 CFGD;
1041
Al Viro4a51c0d2008-01-30 19:10:13 +00001042 volatile __le16 DCFG; /* 0x7C */
1043 volatile __le16 MCFG;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001044
1045 volatile u8 TBIST; /* 0x80 */
1046 volatile u8 RBIST;
1047 volatile u8 PMCPORT;
1048 volatile u8 STICKHW;
1049
1050 volatile u8 MIBCR; /* 0x84 */
1051 volatile u8 reserved_85;
1052 volatile u8 rev_id;
1053 volatile u8 PORSTS;
1054
Al Viro4a51c0d2008-01-30 19:10:13 +00001055 volatile __le32 MIBData; /* 0x88 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001056
Al Viro4a51c0d2008-01-30 19:10:13 +00001057 volatile __le16 EEWrData;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001058
1059 volatile u8 reserved_8E;
1060 volatile u8 BPMDWr;
1061 volatile u8 BPCMD;
1062 volatile u8 BPMDRd;
1063
1064 volatile u8 EECHKSUM; /* 0x92 */
1065 volatile u8 EECSR;
1066
Al Viro4a51c0d2008-01-30 19:10:13 +00001067 volatile __le16 EERdData; /* 0x94 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001068 volatile u8 EADDR;
1069 volatile u8 EMBCMD;
1070
1071
1072 volatile u8 JMPSR0; /* 0x98 */
1073 volatile u8 JMPSR1;
1074 volatile u8 JMPSR2;
1075 volatile u8 JMPSR3;
1076 volatile u8 CHIPGSR; /* 0x9C */
1077 volatile u8 TESTCFG;
1078 volatile u8 DEBUG;
1079 volatile u8 CHIPGCR;
1080
Al Viro4a51c0d2008-01-30 19:10:13 +00001081 volatile __le16 WOLCRSet; /* 0xA0 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001082 volatile u8 PWCFGSet;
1083 volatile u8 WOLCFGSet;
1084
Al Viro4a51c0d2008-01-30 19:10:13 +00001085 volatile __le16 WOLCRClr; /* 0xA4 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001086 volatile u8 PWCFGCLR;
1087 volatile u8 WOLCFGClr;
1088
Al Viro4a51c0d2008-01-30 19:10:13 +00001089 volatile __le16 WOLSRSet; /* 0xA8 */
1090 volatile __le16 reserved_AA;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001091
Al Viro4a51c0d2008-01-30 19:10:13 +00001092 volatile __le16 WOLSRClr; /* 0xAC */
1093 volatile __le16 reserved_AE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001094
Al Viro4a51c0d2008-01-30 19:10:13 +00001095 volatile __le16 PatternCRC[8]; /* 0xB0 */
1096 volatile __le32 ByteMask[4][4]; /* 0xC0 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001097} __attribute__ ((__packed__));
1098
1099
1100enum hw_mib {
1101 HW_MIB_ifRxAllPkts = 0,
1102 HW_MIB_ifRxOkPkts,
1103 HW_MIB_ifTxOkPkts,
1104 HW_MIB_ifRxErrorPkts,
1105 HW_MIB_ifRxRuntOkPkt,
1106 HW_MIB_ifRxRuntErrPkt,
1107 HW_MIB_ifRx64Pkts,
1108 HW_MIB_ifTx64Pkts,
1109 HW_MIB_ifRx65To127Pkts,
1110 HW_MIB_ifTx65To127Pkts,
1111 HW_MIB_ifRx128To255Pkts,
1112 HW_MIB_ifTx128To255Pkts,
1113 HW_MIB_ifRx256To511Pkts,
1114 HW_MIB_ifTx256To511Pkts,
1115 HW_MIB_ifRx512To1023Pkts,
1116 HW_MIB_ifTx512To1023Pkts,
1117 HW_MIB_ifRx1024To1518Pkts,
1118 HW_MIB_ifTx1024To1518Pkts,
1119 HW_MIB_ifTxEtherCollisions,
1120 HW_MIB_ifRxPktCRCE,
1121 HW_MIB_ifRxJumboPkts,
1122 HW_MIB_ifTxJumboPkts,
1123 HW_MIB_ifRxMacControlFrames,
1124 HW_MIB_ifTxMacControlFrames,
1125 HW_MIB_ifRxPktFAE,
1126 HW_MIB_ifRxLongOkPkt,
1127 HW_MIB_ifRxLongPktErrPkt,
1128 HW_MIB_ifTXSQEErrors,
1129 HW_MIB_ifRxNobuf,
1130 HW_MIB_ifRxSymbolErrors,
1131 HW_MIB_ifInRangeLengthErrors,
1132 HW_MIB_ifLateCollisions,
1133 HW_MIB_SIZE
1134};
1135
1136enum chip_type {
1137 CHIP_TYPE_VT6110 = 1,
1138};
1139
1140struct velocity_info_tbl {
1141 enum chip_type chip_id;
Stephen Hemminger01faccb2007-08-24 14:40:45 -07001142 const char *name;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001143 int txqueue;
1144 u32 flags;
1145};
1146
1147#define mac_hw_mibs_init(regs) {\
1148 BYTE_REG_BITS_ON(MIBCR_MIBFRZ,&((regs)->MIBCR));\
1149 BYTE_REG_BITS_ON(MIBCR_MIBCLR,&((regs)->MIBCR));\
1150 do {}\
1151 while (BYTE_REG_BITS_IS_ON(MIBCR_MIBCLR,&((regs)->MIBCR)));\
1152 BYTE_REG_BITS_OFF(MIBCR_MIBFRZ,&((regs)->MIBCR));\
1153}
1154
1155#define mac_read_isr(regs) readl(&((regs)->ISR))
1156#define mac_write_isr(regs, x) writel((x),&((regs)->ISR))
1157#define mac_clear_isr(regs) writel(0xffffffffL,&((regs)->ISR))
1158
1159#define mac_write_int_mask(mask, regs) writel((mask),&((regs)->IMR));
1160#define mac_disable_int(regs) writel(CR0_GINTMSK1,&((regs)->CR0Clr))
1161#define mac_enable_int(regs) writel(CR0_GINTMSK1,&((regs)->CR0Set))
1162
Linus Torvalds1da177e2005-04-16 15:20:36 -07001163#define mac_set_dma_length(regs, n) {\
1164 BYTE_REG_BITS_SET((n),0x07,&((regs)->DCFG));\
1165}
1166
1167#define mac_set_rx_thresh(regs, n) {\
1168 BYTE_REG_BITS_SET((n),(MCFG_RFT0|MCFG_RFT1),&((regs)->MCFG));\
1169}
1170
1171#define mac_rx_queue_run(regs) {\
1172 writeb(TRDCSR_RUN, &((regs)->RDCSRSet));\
1173}
1174
1175#define mac_rx_queue_wake(regs) {\
1176 writeb(TRDCSR_WAK, &((regs)->RDCSRSet));\
1177}
1178
1179#define mac_tx_queue_run(regs, n) {\
1180 writew(TRDCSR_RUN<<((n)*4),&((regs)->TDCSRSet));\
1181}
1182
1183#define mac_tx_queue_wake(regs, n) {\
1184 writew(TRDCSR_WAK<<(n*4),&((regs)->TDCSRSet));\
1185}
1186
Stephen Hemminger01faccb2007-08-24 14:40:45 -07001187static inline void mac_eeprom_reload(struct mac_regs __iomem * regs) {
1188 int i=0;
1189
1190 BYTE_REG_BITS_ON(EECSR_RELOAD,&(regs->EECSR));
1191 do {
1192 udelay(10);
1193 if (i++>0x1000)
1194 break;
1195 } while (BYTE_REG_BITS_IS_ON(EECSR_RELOAD,&(regs->EECSR)));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001196}
1197
Linus Torvalds1da177e2005-04-16 15:20:36 -07001198/*
1199 * Header for WOL definitions. Used to compute hashes
1200 */
1201
1202typedef u8 MCAM_ADDR[ETH_ALEN];
1203
1204struct arp_packet {
1205 u8 dest_mac[ETH_ALEN];
1206 u8 src_mac[ETH_ALEN];
Al Viro4a51c0d2008-01-30 19:10:13 +00001207 __be16 type;
1208 __be16 ar_hrd;
1209 __be16 ar_pro;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001210 u8 ar_hln;
1211 u8 ar_pln;
Al Viro4a51c0d2008-01-30 19:10:13 +00001212 __be16 ar_op;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001213 u8 ar_sha[ETH_ALEN];
1214 u8 ar_sip[4];
1215 u8 ar_tha[ETH_ALEN];
1216 u8 ar_tip[4];
1217} __attribute__ ((__packed__));
1218
1219struct _magic_packet {
1220 u8 dest_mac[6];
1221 u8 src_mac[6];
Al Viro4a51c0d2008-01-30 19:10:13 +00001222 __be16 type;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001223 u8 MAC[16][6];
1224 u8 password[6];
1225} __attribute__ ((__packed__));
1226
1227/*
1228 * Store for chip context when saving and restoring status. Not
1229 * all fields are saved/restored currently.
1230 */
1231
1232struct velocity_context {
1233 u8 mac_reg[256];
1234 MCAM_ADDR cam_addr[MCAM_SIZE];
1235 u16 vcam[VCAM_SIZE];
1236 u32 cammask[2];
1237 u32 patcrc[2];
1238 u32 pattern[8];
1239};
1240
1241
1242/*
1243 * MII registers.
1244 */
1245
1246
1247/*
1248 * Registers in the MII (offset unit is WORD)
1249 */
1250
1251#define MII_REG_BMCR 0x00 // physical address
1252#define MII_REG_BMSR 0x01 //
1253#define MII_REG_PHYID1 0x02 // OUI
1254#define MII_REG_PHYID2 0x03 // OUI + Module ID + REV ID
1255#define MII_REG_ANAR 0x04 //
1256#define MII_REG_ANLPAR 0x05 //
1257#define MII_REG_G1000CR 0x09 //
1258#define MII_REG_G1000SR 0x0A //
1259#define MII_REG_MODCFG 0x10 //
1260#define MII_REG_TCSR 0x16 //
1261#define MII_REG_PLED 0x1B //
1262// NS, MYSON only
1263#define MII_REG_PCR 0x17 //
1264// ESI only
1265#define MII_REG_PCSR 0x17 //
1266#define MII_REG_AUXCR 0x1C //
1267
1268// Marvell 88E1000/88E1000S
1269#define MII_REG_PSCR 0x10 // PHY specific control register
1270
1271//
1272// Bits in the BMCR register
1273//
1274#define BMCR_RESET 0x8000 //
1275#define BMCR_LBK 0x4000 //
1276#define BMCR_SPEED100 0x2000 //
1277#define BMCR_AUTO 0x1000 //
1278#define BMCR_PD 0x0800 //
1279#define BMCR_ISO 0x0400 //
1280#define BMCR_REAUTO 0x0200 //
1281#define BMCR_FDX 0x0100 //
1282#define BMCR_SPEED1G 0x0040 //
1283//
1284// Bits in the BMSR register
1285//
1286#define BMSR_AUTOCM 0x0020 //
1287#define BMSR_LNK 0x0004 //
1288
1289//
1290// Bits in the ANAR register
1291//
1292#define ANAR_ASMDIR 0x0800 // Asymmetric PAUSE support
1293#define ANAR_PAUSE 0x0400 // Symmetric PAUSE Support
1294#define ANAR_T4 0x0200 //
1295#define ANAR_TXFD 0x0100 //
1296#define ANAR_TX 0x0080 //
1297#define ANAR_10FD 0x0040 //
1298#define ANAR_10 0x0020 //
1299//
1300// Bits in the ANLPAR register
1301//
1302#define ANLPAR_ASMDIR 0x0800 // Asymmetric PAUSE support
1303#define ANLPAR_PAUSE 0x0400 // Symmetric PAUSE Support
1304#define ANLPAR_T4 0x0200 //
1305#define ANLPAR_TXFD 0x0100 //
1306#define ANLPAR_TX 0x0080 //
1307#define ANLPAR_10FD 0x0040 //
1308#define ANLPAR_10 0x0020 //
1309
1310//
1311// Bits in the G1000CR register
1312//
1313#define G1000CR_1000FD 0x0200 // PHY is 1000-T Full-duplex capable
1314#define G1000CR_1000 0x0100 // PHY is 1000-T Half-duplex capable
1315
1316//
1317// Bits in the G1000SR register
1318//
1319#define G1000SR_1000FD 0x0800 // LP PHY is 1000-T Full-duplex capable
1320#define G1000SR_1000 0x0400 // LP PHY is 1000-T Half-duplex capable
1321
1322#define TCSR_ECHODIS 0x2000 //
1323#define AUXCR_MDPPS 0x0004 //
1324
1325// Bits in the PLED register
1326#define PLED_LALBE 0x0004 //
1327
1328// Marvell 88E1000/88E1000S Bits in the PHY specific control register (10h)
1329#define PSCR_ACRSTX 0x0800 // Assert CRS on Transmit
1330
1331#define PHYID_CICADA_CS8201 0x000FC410UL
1332#define PHYID_VT3216_32BIT 0x000FC610UL
1333#define PHYID_VT3216_64BIT 0x000FC600UL
1334#define PHYID_MARVELL_1000 0x01410C50UL
1335#define PHYID_MARVELL_1000S 0x01410C40UL
1336
1337#define PHYID_REV_ID_MASK 0x0000000FUL
1338
1339#define PHYID_GET_PHY_REV_ID(i) ((i) & PHYID_REV_ID_MASK)
1340#define PHYID_GET_PHY_ID(i) ((i) & ~PHYID_REV_ID_MASK)
1341
1342#define MII_REG_BITS_ON(x,i,p) do {\
1343 u16 w;\
1344 velocity_mii_read((p),(i),&(w));\
1345 (w)|=(x);\
1346 velocity_mii_write((p),(i),(w));\
1347} while (0)
1348
1349#define MII_REG_BITS_OFF(x,i,p) do {\
1350 u16 w;\
1351 velocity_mii_read((p),(i),&(w));\
1352 (w)&=(~(x));\
1353 velocity_mii_write((p),(i),(w));\
1354} while (0)
1355
1356#define MII_REG_BITS_IS_ON(x,i,p) ({\
1357 u16 w;\
1358 velocity_mii_read((p),(i),&(w));\
1359 ((int) ((w) & (x)));})
1360
1361#define MII_GET_PHY_ID(p) ({\
1362 u32 id;\
1363 velocity_mii_read((p),MII_REG_PHYID2,(u16 *) &id);\
1364 velocity_mii_read((p),MII_REG_PHYID1,((u16 *) &id)+1);\
1365 (id);})
1366
1367/*
1368 * Inline debug routine
1369 */
1370
1371
1372enum velocity_msg_level {
1373 MSG_LEVEL_ERR = 0, //Errors that will cause abnormal operation.
1374 MSG_LEVEL_NOTICE = 1, //Some errors need users to be notified.
1375 MSG_LEVEL_INFO = 2, //Normal message.
1376 MSG_LEVEL_VERBOSE = 3, //Will report all trival errors.
1377 MSG_LEVEL_DEBUG = 4 //Only for debug purpose.
1378};
1379
1380#ifdef VELOCITY_DEBUG
1381#define ASSERT(x) { \
1382 if (!(x)) { \
1383 printk(KERN_ERR "assertion %s failed: file %s line %d\n", #x,\
1384 __FUNCTION__, __LINE__);\
1385 BUG(); \
1386 }\
1387}
1388#define VELOCITY_DBG(p,args...) printk(p, ##args)
1389#else
1390#define ASSERT(x)
1391#define VELOCITY_DBG(x)
1392#endif
1393
1394#define VELOCITY_PRT(l, p, args...) do {if (l<=msglevel) printk( p ,##args);} while (0)
1395
1396#define VELOCITY_PRT_CAMMASK(p,t) {\
1397 int i;\
1398 if ((t)==VELOCITY_MULTICAST_CAM) {\
1399 for (i=0;i<(MCAM_SIZE/8);i++)\
1400 printk("%02X",(p)->mCAMmask[i]);\
1401 }\
1402 else {\
1403 for (i=0;i<(VCAM_SIZE/8);i++)\
1404 printk("%02X",(p)->vCAMmask[i]);\
1405 }\
1406 printk("\n");\
1407}
1408
1409
1410
1411#define VELOCITY_WOL_MAGIC 0x00000000UL
1412#define VELOCITY_WOL_PHY 0x00000001UL
1413#define VELOCITY_WOL_ARP 0x00000002UL
1414#define VELOCITY_WOL_UCAST 0x00000004UL
1415#define VELOCITY_WOL_BCAST 0x00000010UL
1416#define VELOCITY_WOL_MCAST 0x00000020UL
1417#define VELOCITY_WOL_MAGIC_SEC 0x00000040UL
1418
1419/*
1420 * Flags for options
1421 */
1422
1423#define VELOCITY_FLAGS_TAGGING 0x00000001UL
1424#define VELOCITY_FLAGS_TX_CSUM 0x00000002UL
1425#define VELOCITY_FLAGS_RX_CSUM 0x00000004UL
1426#define VELOCITY_FLAGS_IP_ALIGN 0x00000008UL
1427#define VELOCITY_FLAGS_VAL_PKT_LEN 0x00000010UL
1428
1429#define VELOCITY_FLAGS_FLOW_CTRL 0x01000000UL
1430
1431/*
1432 * Flags for driver status
1433 */
1434
1435#define VELOCITY_FLAGS_OPENED 0x00010000UL
1436#define VELOCITY_FLAGS_VMNS_CONNECTED 0x00020000UL
1437#define VELOCITY_FLAGS_VMNS_COMMITTED 0x00040000UL
1438#define VELOCITY_FLAGS_WOL_ENABLED 0x00080000UL
1439
1440/*
1441 * Flags for MII status
1442 */
1443
1444#define VELOCITY_LINK_FAIL 0x00000001UL
1445#define VELOCITY_SPEED_10 0x00000002UL
1446#define VELOCITY_SPEED_100 0x00000004UL
1447#define VELOCITY_SPEED_1000 0x00000008UL
1448#define VELOCITY_DUPLEX_FULL 0x00000010UL
1449#define VELOCITY_AUTONEG_ENABLE 0x00000020UL
1450#define VELOCITY_FORCED_BY_EEPROM 0x00000040UL
1451
1452/*
1453 * For velocity_set_media_duplex
1454 */
1455
1456#define VELOCITY_LINK_CHANGE 0x00000001UL
1457
1458enum speed_opt {
1459 SPD_DPX_AUTO = 0,
1460 SPD_DPX_100_HALF = 1,
1461 SPD_DPX_100_FULL = 2,
1462 SPD_DPX_10_HALF = 3,
1463 SPD_DPX_10_FULL = 4
1464};
1465
1466enum velocity_init_type {
1467 VELOCITY_INIT_COLD = 0,
1468 VELOCITY_INIT_RESET,
1469 VELOCITY_INIT_WOL
1470};
1471
1472enum velocity_flow_cntl_type {
1473 FLOW_CNTL_DEFAULT = 1,
1474 FLOW_CNTL_TX,
1475 FLOW_CNTL_RX,
1476 FLOW_CNTL_TX_RX,
1477 FLOW_CNTL_DISABLE,
1478};
1479
1480struct velocity_opt {
1481 int numrx; /* Number of RX descriptors */
1482 int numtx; /* Number of TX descriptors */
1483 enum speed_opt spd_dpx; /* Media link mode */
Stephen Hemminger501e4d22007-08-24 13:56:49 -07001484
Linus Torvalds1da177e2005-04-16 15:20:36 -07001485 int DMA_length; /* DMA length */
1486 int rx_thresh; /* RX_THRESH */
1487 int flow_cntl;
1488 int wol_opts; /* Wake on lan options */
1489 int td_int_count;
1490 int int_works;
1491 int rx_bandwidth_hi;
1492 int rx_bandwidth_lo;
1493 int rx_bandwidth_en;
1494 u32 flags;
1495};
1496
Francois Romieu0fe9f152008-07-31 22:10:10 +02001497#define AVAIL_TD(p,q) ((p)->options.numtx-((p)->tx.used[(q)]))
1498
1499#define GET_RD_BY_IDX(vptr, idx) (vptr->rd_ring[idx])
1500
Linus Torvalds1da177e2005-04-16 15:20:36 -07001501struct velocity_info {
1502 struct list_head list;
1503
1504 struct pci_dev *pdev;
1505 struct net_device *dev;
1506 struct net_device_stats stats;
1507
Stephen Hemminger501e4d22007-08-24 13:56:49 -07001508 struct vlan_group *vlgrp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001509 u8 ip_addr[4];
1510 enum chip_type chip_id;
1511
1512 struct mac_regs __iomem * mac_regs;
1513 unsigned long memaddr;
1514 unsigned long ioaddr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001515
Francois Romieu0fe9f152008-07-31 22:10:10 +02001516 struct tx_info {
1517 int numq;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001518
Francois Romieu0fe9f152008-07-31 22:10:10 +02001519 /* FIXME: the locality of the data seems rather poor. */
1520 int used[TX_QUEUE_NO];
1521 int curr[TX_QUEUE_NO];
1522 int tail[TX_QUEUE_NO];
1523 struct tx_desc *rings[TX_QUEUE_NO];
1524 struct velocity_td_info *infos[TX_QUEUE_NO];
1525 dma_addr_t pool_dma[TX_QUEUE_NO];
1526 } tx;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001527
Francois Romieu0fe9f152008-07-31 22:10:10 +02001528 struct rx_info {
1529 int buf_sz;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001530
Francois Romieu0fe9f152008-07-31 22:10:10 +02001531 int dirty;
1532 int curr;
1533 u32 filled;
1534 struct rx_desc *ring;
1535 struct velocity_rd_info *info; /* It's an array */
1536 dma_addr_t pool_dma;
1537 } rx;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001538
Linus Torvalds1da177e2005-04-16 15:20:36 -07001539 u32 mib_counter[MAX_HW_MIB_COUNTER];
1540 struct velocity_opt options;
1541
1542 u32 int_mask;
1543
1544 u32 flags;
1545
Linus Torvalds1da177e2005-04-16 15:20:36 -07001546 u32 mii_status;
1547 u32 phy_id;
1548 int multicast_limit;
1549
1550 u8 vCAMmask[(VCAM_SIZE / 8)];
1551 u8 mCAMmask[(MCAM_SIZE / 8)];
1552
1553 spinlock_t lock;
1554
1555 int wol_opts;
1556 u8 wol_passwd[6];
1557
1558 struct velocity_context context;
1559
1560 u32 ticks;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001561
Francois Romieu0fe9f152008-07-31 22:10:10 +02001562 u8 rev_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001563};
1564
1565/**
1566 * velocity_get_ip - find an IP address for the device
1567 * @vptr: Velocity to query
1568 *
1569 * Dig out an IP address for this interface so that we can
1570 * configure wakeup with WOL for ARP. If there are multiple IP
1571 * addresses on this chain then we use the first - multi-IP WOL is not
1572 * supported.
1573 *
1574 * CHECK ME: locking
1575 */
1576
Jesper Juhl77933d72005-07-27 11:46:09 -07001577static inline int velocity_get_ip(struct velocity_info *vptr)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001578{
1579 struct in_device *in_dev = (struct in_device *) vptr->dev->ip_ptr;
1580 struct in_ifaddr *ifa;
1581
1582 if (in_dev != NULL) {
1583 ifa = (struct in_ifaddr *) in_dev->ifa_list;
1584 if (ifa != NULL) {
1585 memcpy(vptr->ip_addr, &ifa->ifa_address, 4);
1586 return 0;
1587 }
1588 }
1589 return -ENOENT;
1590}
1591
1592/**
1593 * velocity_update_hw_mibs - fetch MIB counters from chip
1594 * @vptr: velocity to update
1595 *
1596 * The velocity hardware keeps certain counters in the hardware
1597 * side. We need to read these when the user asks for statistics
1598 * or when they overflow (causing an interrupt). The read of the
1599 * statistic clears it, so we keep running master counters in user
1600 * space.
1601 */
1602
1603static inline void velocity_update_hw_mibs(struct velocity_info *vptr)
1604{
1605 u32 tmp;
1606 int i;
1607 BYTE_REG_BITS_ON(MIBCR_MIBFLSH, &(vptr->mac_regs->MIBCR));
1608
1609 while (BYTE_REG_BITS_IS_ON(MIBCR_MIBFLSH, &(vptr->mac_regs->MIBCR)));
1610
1611 BYTE_REG_BITS_ON(MIBCR_MPTRINI, &(vptr->mac_regs->MIBCR));
1612 for (i = 0; i < HW_MIB_SIZE; i++) {
1613 tmp = readl(&(vptr->mac_regs->MIBData)) & 0x00FFFFFFUL;
1614 vptr->mib_counter[i] += tmp;
1615 }
1616}
1617
1618/**
1619 * init_flow_control_register - set up flow control
1620 * @vptr: velocity to configure
1621 *
1622 * Configure the flow control registers for this velocity device.
1623 */
1624
1625static inline void init_flow_control_register(struct velocity_info *vptr)
1626{
1627 struct mac_regs __iomem * regs = vptr->mac_regs;
1628
1629 /* Set {XHITH1, XHITH0, XLTH1, XLTH0} in FlowCR1 to {1, 0, 1, 1}
1630 depend on RD=64, and Turn on XNOEN in FlowCR1 */
1631 writel((CR0_XONEN | CR0_XHITH1 | CR0_XLTH1 | CR0_XLTH0), &regs->CR0Set);
1632 writel((CR0_FDXTFCEN | CR0_FDXRFCEN | CR0_HDXFCEN | CR0_XHITH0), &regs->CR0Clr);
1633
1634 /* Set TxPauseTimer to 0xFFFF */
1635 writew(0xFFFF, &regs->tx_pause_timer);
1636
1637 /* Initialize RBRDU to Rx buffer count. */
1638 writew(vptr->options.numrx, &regs->RBRDU);
1639}
1640
1641
1642#endif