1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
4 * All rights reserved.
5 *
6 * File: via-velocity.h
7 *
8 * Purpose: Header file to define driver's private structures.
9 *
10 * Author: Chuang Liang-Shing, AJ Jiang
11 *
12 * Date: Jan 24, 2003
13 */
14
15
16#ifndef VELOCITY_H
17#define VELOCITY_H
18
19#define VELOCITY_TX_CSUM_SUPPORT
20
21#define VELOCITY_NAME "via-velocity"
22#define VELOCITY_FULL_DRV_NAM "VIA Networking Velocity Family Gigabit Ethernet Adapter Driver"
23#define VELOCITY_VERSION "1.15"
24
25#define VELOCITY_IO_SIZE 256
26
27#define PKT_BUF_SZ 1540
28
29#define MAX_UNITS 8
30#define OPTION_DEFAULT { [0 ... MAX_UNITS-1] = -1}
31
32#define REV_ID_VT6110 (0)
33
34#define BYTE_REG_BITS_ON(x,p) do { writeb(readb((p))|(x),(p));} while (0)
35#define WORD_REG_BITS_ON(x,p) do { writew(readw((p))|(x),(p));} while (0)
36#define DWORD_REG_BITS_ON(x,p) do { writel(readl((p))|(x),(p));} while (0)
37
38#define BYTE_REG_BITS_IS_ON(x,p) (readb((p)) & (x))
39#define WORD_REG_BITS_IS_ON(x,p) (readw((p)) & (x))
40#define DWORD_REG_BITS_IS_ON(x,p) (readl((p)) & (x))
41
42#define BYTE_REG_BITS_OFF(x,p) do { writeb(readb((p)) & (~(x)),(p));} while (0)
43#define WORD_REG_BITS_OFF(x,p) do { writew(readw((p)) & (~(x)),(p));} while (0)
44#define DWORD_REG_BITS_OFF(x,p) do { writel(readl((p)) & (~(x)),(p));} while (0)
45
46#define BYTE_REG_BITS_SET(x,m,p) do { writeb( (readb((p)) & (~(m))) |(x),(p));} while (0)
47#define WORD_REG_BITS_SET(x,m,p) do { writew( (readw((p)) & (~(m))) |(x),(p));} while (0)
48#define DWORD_REG_BITS_SET(x,m,p) do { writel( (readl((p)) & (~(m)))|(x),(p));} while (0)
49
50#define VAR_USED(p) do {(p)=(p);} while (0)
51
52/*
53 * Purpose: Structures for MAX RX/TX descriptors.
54 */
55
56
57#define B_OWNED_BY_CHIP 1
58#define B_OWNED_BY_HOST 0
59
60/*
61 * Bits in the RSR0 register
62 */
63
64#define RSR_DETAG cpu_to_le16(0x0080)
65#define RSR_SNTAG cpu_to_le16(0x0040)
66#define RSR_RXER cpu_to_le16(0x0020)
67#define RSR_RL cpu_to_le16(0x0010)
68#define RSR_CE cpu_to_le16(0x0008)
69#define RSR_FAE cpu_to_le16(0x0004)
70#define RSR_CRC cpu_to_le16(0x0002)
71#define RSR_VIDM cpu_to_le16(0x0001)
72
73/*
74 * Bits in the RSR1 register
75 */
76
77#define RSR_RXOK cpu_to_le16(0x8000) // rx OK
78#define RSR_PFT cpu_to_le16(0x4000) // Perfect filtering address match
79#define RSR_MAR cpu_to_le16(0x2000) // MAC accept multicast address packet
80#define RSR_BAR cpu_to_le16(0x1000) // MAC accept broadcast address packet
81#define RSR_PHY cpu_to_le16(0x0800) // MAC accept physical address packet
82#define RSR_VTAG cpu_to_le16(0x0400) // 802.1p/1q tagging packet indicator
83#define RSR_STP cpu_to_le16(0x0200) // start of packet
84#define RSR_EDP cpu_to_le16(0x0100) // end of packet
85
86/*
87 * Bits in the CSM register
88 */
89
90#define CSM_IPOK 0x40 //IP Checksum validation ok
91#define CSM_TUPOK 0x20 //TCP/UDP Checksum validation ok
92#define CSM_FRAG 0x10 //Fragment IP datagram
93#define CSM_IPKT 0x04 //Received an IP packet
94#define CSM_TCPKT 0x02 //Received a TCP packet
95#define CSM_UDPKT 0x01 //Received a UDP packet
96
97/*
98 * Bits in the TSR0 register
99 */
100
101#define TSR0_ABT cpu_to_le16(0x0080) // Tx abort because of excessive collision
102#define TSR0_OWT cpu_to_le16(0x0040) // Jumbo frame Tx abort
103#define TSR0_OWC cpu_to_le16(0x0020) // Out of window collision
104#define TSR0_COLS cpu_to_le16(0x0010) // experience collision in this transmit event
105#define TSR0_NCR3 cpu_to_le16(0x0008) // collision retry counter[3]
106#define TSR0_NCR2 cpu_to_le16(0x0004) // collision retry counter[2]
107#define TSR0_NCR1 cpu_to_le16(0x0002) // collision retry counter[1]
108#define TSR0_NCR0 cpu_to_le16(0x0001) // collision retry counter[0]
109#define TSR0_TERR cpu_to_le16(0x8000) //
110#define TSR0_FDX cpu_to_le16(0x4000) // current transaction is serviced by full duplex mode
111#define TSR0_GMII cpu_to_le16(0x2000) // current transaction is serviced by GMII mode
112#define TSR0_LNKFL cpu_to_le16(0x1000) // packet serviced during link down
113#define TSR0_SHDN cpu_to_le16(0x0400) // shutdown case
114#define TSR0_CRS cpu_to_le16(0x0200) // carrier sense lost
115#define TSR0_CDH cpu_to_le16(0x0100) // AQE test fail (CD heartbeat)
116
117//
118// Bits in the TCR0 register
119//
120#define TCR0_TIC 0x80 // assert interrupt immediately while descriptor has been send complete
121#define TCR0_PIC 0x40 // priority interrupt request, INA# is issued over adaptive interrupt scheme
122#define TCR0_VETAG 0x20 // enable VLAN tag
123#define TCR0_IPCK 0x10 // request IP checksum calculation.
124#define TCR0_UDPCK 0x08 // request UDP checksum calculation.
125#define TCR0_TCPCK 0x04 // request TCP checksum calculation.
126#define TCR0_JMBO 0x02 // indicate a jumbo packet in GMAC side
127#define TCR0_CRC 0x01 // disable CRC generation
128
129#define TCPLS_NORMAL 3
130#define TCPLS_START 2
131#define TCPLS_END 1
132#define TCPLS_MED 0
133
134
135// max transmit or receive buffer size
136#define CB_RX_BUF_SIZE 2048UL // max buffer size
137 // NOTE: must be multiple of 4
138
139#define CB_MAX_RD_NUM 512 // MAX # of RD
140#define CB_MAX_TD_NUM 256 // MAX # of TD
141
142#define CB_INIT_RD_NUM_3119 128 // init # of RD, for setup VT3119
143#define CB_INIT_TD_NUM_3119 64 // init # of TD, for setup VT3119
144
145#define CB_INIT_RD_NUM 128 // init # of RD, for setup default
146#define CB_INIT_TD_NUM 64 // init # of TD, for setup default
147
148// for 3119
149#define CB_TD_RING_NUM 4 // # of TD rings.
150#define CB_MAX_SEG_PER_PKT 7 // max data seg per packet (Tx)
151
152
153/*
154 * If collisions excess 15 times , tx will abort, and
155 * if tx fifo underflow, tx will fail
156 * we should try to resend it
157 */
158
159#define CB_MAX_TX_ABORT_RETRY 3
160
161/*
162 * Receive descriptor
163 */
164
165struct rdesc0 {
166 __le16 RSR; /* Receive status */
167 __le16 len; /* bits 0--13; bit 15 - owner */
168};
169
170struct rdesc1 {
171 __le16 PQTAG;
172 u8 CSM;
173 u8 IPKT;
174};
175
176enum {
177 RX_INTEN = cpu_to_le16(0x8000)
178};
179
180struct rx_desc {
181 struct rdesc0 rdesc0;
182 struct rdesc1 rdesc1;
183 __le32 pa_low; /* Low 32 bit PCI address */
184 __le16 pa_high; /* Next 16 bit PCI address (48 total) */
185 __le16 size; /* bits 0--14 - frame size, bit 15 - enable int. */
186} __packed;
187
188/*
189 * Transmit descriptor
190 */
191
192struct tdesc0 {
193 __le16 TSR; /* Transmit status register */
194 __le16 len; /* bits 0--13 - size of frame, bit 15 - owner */
195};
196
197struct tdesc1 {
198 __le16 vlan;
199 u8 TCR;
200 u8 cmd; /* bits 0--1 - TCPLS, bits 4--7 - CMDZ */
201} __packed;
202
203enum {
204 TD_QUEUE = cpu_to_le16(0x8000)
205};
206
207struct td_buf {
208 __le32 pa_low;
209 __le16 pa_high;
210 __le16 size; /* bits 0--13 - size, bit 15 - queue */
211} __packed;
212
213struct tx_desc {
214 struct tdesc0 tdesc0;
215 struct tdesc1 tdesc1;
216 struct td_buf td_buf[7];
217};
218
219struct velocity_rd_info {
220 struct sk_buff *skb;
221 dma_addr_t skb_dma;
222};
223
224/*
225 * Used to track transmit side buffers.
226 */
227
228struct velocity_td_info {
229 struct sk_buff *skb;
230 int nskb_dma;
231 dma_addr_t skb_dma[7];
232};
233
234enum velocity_owner {
235 OWNED_BY_HOST = 0,
236 OWNED_BY_NIC = cpu_to_le16(0x8000)
237};
238
239
240/*
241 * MAC registers and macros.
242 */
243
244
245#define MCAM_SIZE 64
246#define VCAM_SIZE 64
247#define TX_QUEUE_NO 4
248
249#define MAX_HW_MIB_COUNTER 32
250#define VELOCITY_MIN_MTU (64)
251#define VELOCITY_MAX_MTU (9000)
252
253/*
254 * Registers in the MAC
255 */
256
257#define MAC_REG_PAR 0x00 // physical address
258#define MAC_REG_RCR 0x06
259#define MAC_REG_TCR 0x07
260#define MAC_REG_CR0_SET 0x08
261#define MAC_REG_CR1_SET 0x09
262#define MAC_REG_CR2_SET 0x0A
263#define MAC_REG_CR3_SET 0x0B
264#define MAC_REG_CR0_CLR 0x0C
265#define MAC_REG_CR1_CLR 0x0D
266#define MAC_REG_CR2_CLR 0x0E
267#define MAC_REG_CR3_CLR 0x0F
268#define MAC_REG_MAR 0x10
269#define MAC_REG_CAM 0x10
270#define MAC_REG_DEC_BASE_HI 0x18
271#define MAC_REG_DBF_BASE_HI 0x1C
272#define MAC_REG_ISR_CTL 0x20
273#define MAC_REG_ISR_HOTMR 0x20
274#define MAC_REG_ISR_TSUPTHR 0x20
275#define MAC_REG_ISR_RSUPTHR 0x20
276#define MAC_REG_ISR_CTL1 0x21
277#define MAC_REG_TXE_SR 0x22
278#define MAC_REG_RXE_SR 0x23
279#define MAC_REG_ISR 0x24
280#define MAC_REG_ISR0 0x24
281#define MAC_REG_ISR1 0x25
282#define MAC_REG_ISR2 0x26
283#define MAC_REG_ISR3 0x27
284#define MAC_REG_IMR 0x28
285#define MAC_REG_IMR0 0x28
286#define MAC_REG_IMR1 0x29
287#define MAC_REG_IMR2 0x2A
288#define MAC_REG_IMR3 0x2B
289#define MAC_REG_TDCSR_SET 0x30
290#define MAC_REG_RDCSR_SET 0x32
291#define MAC_REG_TDCSR_CLR 0x34
292#define MAC_REG_RDCSR_CLR 0x36
293#define MAC_REG_RDBASE_LO 0x38
294#define MAC_REG_RDINDX 0x3C
295#define MAC_REG_TDBASE_LO 0x40
296#define MAC_REG_RDCSIZE 0x50
297#define MAC_REG_TDCSIZE 0x52
298#define MAC_REG_TDINDX 0x54
299#define MAC_REG_TDIDX0 0x54
300#define MAC_REG_TDIDX1 0x56
301#define MAC_REG_TDIDX2 0x58
302#define MAC_REG_TDIDX3 0x5A
303#define MAC_REG_PAUSE_TIMER 0x5C
304#define MAC_REG_RBRDU 0x5E
305#define MAC_REG_FIFO_TEST0 0x60
306#define MAC_REG_FIFO_TEST1 0x64
307#define MAC_REG_CAMADDR 0x68
308#define MAC_REG_CAMCR 0x69
309#define MAC_REG_GFTEST 0x6A
310#define MAC_REG_FTSTCMD 0x6B
311#define MAC_REG_MIICFG 0x6C
312#define MAC_REG_MIISR 0x6D
313#define MAC_REG_PHYSR0 0x6E
314#define MAC_REG_PHYSR1 0x6F
315#define MAC_REG_MIICR 0x70
316#define MAC_REG_MIIADR 0x71
317#define MAC_REG_MIIDATA 0x72
318#define MAC_REG_SOFT_TIMER0 0x74
319#define MAC_REG_SOFT_TIMER1 0x76
320#define MAC_REG_CFGA 0x78
321#define MAC_REG_CFGB 0x79
322#define MAC_REG_CFGC 0x7A
323#define MAC_REG_CFGD 0x7B
324#define MAC_REG_DCFG0 0x7C
325#define MAC_REG_DCFG1 0x7D
326#define MAC_REG_MCFG0 0x7E
327#define MAC_REG_MCFG1 0x7F
328
329#define MAC_REG_TBIST 0x80
330#define MAC_REG_RBIST 0x81
331#define MAC_REG_PMCC 0x82
332#define MAC_REG_STICKHW 0x83
333#define MAC_REG_MIBCR 0x84
334#define MAC_REG_EERSV 0x85
335#define MAC_REG_REVID 0x86
336#define MAC_REG_MIBREAD 0x88
337#define MAC_REG_BPMA 0x8C
338#define MAC_REG_EEWR_DATA 0x8C
339#define MAC_REG_BPMD_WR 0x8F
340#define MAC_REG_BPCMD 0x90
341#define MAC_REG_BPMD_RD 0x91
342#define MAC_REG_EECHKSUM 0x92
343#define MAC_REG_EECSR 0x93
344#define MAC_REG_EERD_DATA 0x94
345#define MAC_REG_EADDR 0x96
346#define MAC_REG_EMBCMD 0x97
347#define MAC_REG_JMPSR0 0x98
348#define MAC_REG_JMPSR1 0x99
349#define MAC_REG_JMPSR2 0x9A
350#define MAC_REG_JMPSR3 0x9B
351#define MAC_REG_CHIPGSR 0x9C
352#define MAC_REG_TESTCFG 0x9D
353#define MAC_REG_DEBUG 0x9E
354#define MAC_REG_CHIPGCR 0x9F /* Chip Operation and Diagnostic Control */
355#define MAC_REG_WOLCR0_SET 0xA0
356#define MAC_REG_WOLCR1_SET 0xA1
357#define MAC_REG_PWCFG_SET 0xA2
358#define MAC_REG_WOLCFG_SET 0xA3
359#define MAC_REG_WOLCR0_CLR 0xA4
360#define MAC_REG_WOLCR1_CLR 0xA5
361#define MAC_REG_PWCFG_CLR 0xA6
362#define MAC_REG_WOLCFG_CLR 0xA7
363#define MAC_REG_WOLSR0_SET 0xA8
364#define MAC_REG_WOLSR1_SET 0xA9
365#define MAC_REG_WOLSR0_CLR 0xAC
366#define MAC_REG_WOLSR1_CLR 0xAD
367#define MAC_REG_PATRN_CRC0 0xB0
368#define MAC_REG_PATRN_CRC1 0xB2
369#define MAC_REG_PATRN_CRC2 0xB4
370#define MAC_REG_PATRN_CRC3 0xB6
371#define MAC_REG_PATRN_CRC4 0xB8
372#define MAC_REG_PATRN_CRC5 0xBA
373#define MAC_REG_PATRN_CRC6 0xBC
374#define MAC_REG_PATRN_CRC7 0xBE
375#define MAC_REG_BYTEMSK0_0 0xC0
376#define MAC_REG_BYTEMSK0_1 0xC4
377#define MAC_REG_BYTEMSK0_2 0xC8
378#define MAC_REG_BYTEMSK0_3 0xCC
379#define MAC_REG_BYTEMSK1_0 0xD0
380#define MAC_REG_BYTEMSK1_1 0xD4
381#define MAC_REG_BYTEMSK1_2 0xD8
382#define MAC_REG_BYTEMSK1_3 0xDC
383#define MAC_REG_BYTEMSK2_0 0xE0
384#define MAC_REG_BYTEMSK2_1 0xE4
385#define MAC_REG_BYTEMSK2_2 0xE8
386#define MAC_REG_BYTEMSK2_3 0xEC
387#define MAC_REG_BYTEMSK3_0 0xF0
388#define MAC_REG_BYTEMSK3_1 0xF4
389#define MAC_REG_BYTEMSK3_2 0xF8
390#define MAC_REG_BYTEMSK3_3 0xFC
391
392/*
393 * Bits in the RCR register
394 */
395
396#define RCR_AS 0x80
397#define RCR_AP 0x40
398#define RCR_AL 0x20
399#define RCR_PROM 0x10
400#define RCR_AB 0x08
401#define RCR_AM 0x04
402#define RCR_AR 0x02
403#define RCR_SEP 0x01
404
405/*
406 * Bits in the TCR register
407 */
408
409#define TCR_TB2BDIS 0x80
410#define TCR_COLTMC1 0x08
411#define TCR_COLTMC0 0x04
412#define TCR_LB1 0x02 /* loopback[1] */
413#define TCR_LB0 0x01 /* loopback[0] */
414
415/*
416 * Bits in the CR0 register
417 */
418
419#define CR0_TXON 0x00000008UL
420#define CR0_RXON 0x00000004UL
421#define CR0_STOP 0x00000002UL /* stop MAC, default = 1 */
422#define CR0_STRT 0x00000001UL /* start MAC */
423#define CR0_SFRST 0x00008000UL /* software reset */
424#define CR0_TM1EN 0x00004000UL
425#define CR0_TM0EN 0x00002000UL
426#define CR0_DPOLL 0x00000800UL /* disable rx/tx auto polling */
427#define CR0_DISAU 0x00000100UL
428#define CR0_XONEN 0x00800000UL
429#define CR0_FDXTFCEN 0x00400000UL /* full-duplex TX flow control enable */
430#define CR0_FDXRFCEN 0x00200000UL /* full-duplex RX flow control enable */
431#define CR0_HDXFCEN 0x00100000UL /* half-duplex flow control enable */
432#define CR0_XHITH1 0x00080000UL /* TX XON high threshold 1 */
433#define CR0_XHITH0 0x00040000UL /* TX XON high threshold 0 */
434#define CR0_XLTH1 0x00020000UL /* TX pause frame low threshold 1 */
435#define CR0_XLTH0 0x00010000UL /* TX pause frame low threshold 0 */
436#define CR0_GSPRST 0x80000000UL
437#define CR0_FORSRST 0x40000000UL
438#define CR0_FPHYRST 0x20000000UL
439#define CR0_DIAG 0x10000000UL
440#define CR0_INTPCTL 0x04000000UL
441#define CR0_GINTMSK1 0x02000000UL
442#define CR0_GINTMSK0 0x01000000UL
443
444/*
445 * Bits in the CR1 register
446 */
447
448#define CR1_SFRST 0x80 /* software reset */
449#define CR1_TM1EN 0x40
450#define CR1_TM0EN 0x20
451#define CR1_DPOLL 0x08 /* disable rx/tx auto polling */
452#define CR1_DISAU 0x01
453
454/*
455 * Bits in the CR2 register
456 */
457
458#define CR2_XONEN 0x80
459#define CR2_FDXTFCEN 0x40 /* full-duplex TX flow control enable */
460#define CR2_FDXRFCEN 0x20 /* full-duplex RX flow control enable */
461#define CR2_HDXFCEN 0x10 /* half-duplex flow control enable */
462#define CR2_XHITH1 0x08 /* TX XON high threshold 1 */
463#define CR2_XHITH0 0x04 /* TX XON high threshold 0 */
464#define CR2_XLTH1 0x02 /* TX pause frame low threshold 1 */
465#define CR2_XLTH0 0x01 /* TX pause frame low threshold 0 */
466
467/*
468 * Bits in the CR3 register
469 */
470
471#define CR3_GSPRST 0x80
472#define CR3_FORSRST 0x40
473#define CR3_FPHYRST 0x20
474#define CR3_DIAG 0x10
475#define CR3_INTPCTL 0x04
476#define CR3_GINTMSK1 0x02
477#define CR3_GINTMSK0 0x01
478
479#define ISRCTL_UDPINT 0x8000
480#define ISRCTL_TSUPDIS 0x4000
481#define ISRCTL_RSUPDIS 0x2000
482#define ISRCTL_PMSK1 0x1000
483#define ISRCTL_PMSK0 0x0800
484#define ISRCTL_INTPD 0x0400
485#define ISRCTL_HCRLD 0x0200
486#define ISRCTL_SCRLD 0x0100
487
488/*
489 * Bits in the ISR_CTL1 register
490 */
491
492#define ISRCTL1_UDPINT 0x80
493#define ISRCTL1_TSUPDIS 0x40
494#define ISRCTL1_RSUPDIS 0x20
495#define ISRCTL1_PMSK1 0x10
496#define ISRCTL1_PMSK0 0x08
497#define ISRCTL1_INTPD 0x04
498#define ISRCTL1_HCRLD 0x02
499#define ISRCTL1_SCRLD 0x01
500
501/*
502 * Bits in the TXE_SR register
503 */
504
505#define TXESR_TFDBS 0x08
506#define TXESR_TDWBS 0x04
507#define TXESR_TDRBS 0x02
508#define TXESR_TDSTR 0x01
509
510/*
511 * Bits in the RXE_SR register
512 */
513
514#define RXESR_RFDBS 0x08
515#define RXESR_RDWBS 0x04
516#define RXESR_RDRBS 0x02
517#define RXESR_RDSTR 0x01
518
519/*
520 * Bits in the ISR register
521 */
522
523#define ISR_ISR3 0x80000000UL
524#define ISR_ISR2 0x40000000UL
525#define ISR_ISR1 0x20000000UL
526#define ISR_ISR0 0x10000000UL
527#define ISR_TXSTLI 0x02000000UL
528#define ISR_RXSTLI 0x01000000UL
529#define ISR_HFLD 0x00800000UL
530#define ISR_UDPI 0x00400000UL
531#define ISR_MIBFI 0x00200000UL
532#define ISR_SHDNI 0x00100000UL
533#define ISR_PHYI 0x00080000UL
534#define ISR_PWEI 0x00040000UL
535#define ISR_TMR1I 0x00020000UL
536#define ISR_TMR0I 0x00010000UL
537#define ISR_SRCI 0x00008000UL
538#define ISR_LSTPEI 0x00004000UL
539#define ISR_LSTEI 0x00002000UL
540#define ISR_OVFI 0x00001000UL
541#define ISR_FLONI 0x00000800UL
542#define ISR_RACEI 0x00000400UL
543#define ISR_TXWB1I 0x00000200UL
544#define ISR_TXWB0I 0x00000100UL
545#define ISR_PTX3I 0x00000080UL
546#define ISR_PTX2I 0x00000040UL
547#define ISR_PTX1I 0x00000020UL
548#define ISR_PTX0I 0x00000010UL
549#define ISR_PTXI 0x00000008UL
550#define ISR_PRXI 0x00000004UL
551#define ISR_PPTXI 0x00000002UL
552#define ISR_PPRXI 0x00000001UL
553
554/*
555 * Bits in the IMR register
556 */
557
558#define IMR_TXSTLM 0x02000000UL
559#define IMR_UDPIM 0x00400000UL
560#define IMR_MIBFIM 0x00200000UL
561#define IMR_SHDNIM 0x00100000UL
562#define IMR_PHYIM 0x00080000UL
563#define IMR_PWEIM 0x00040000UL
564#define IMR_TMR1IM 0x00020000UL
565#define IMR_TMR0IM 0x00010000UL
566
567#define IMR_SRCIM 0x00008000UL
568#define IMR_LSTPEIM 0x00004000UL
569#define IMR_LSTEIM 0x00002000UL
570#define IMR_OVFIM 0x00001000UL
571#define IMR_FLONIM 0x00000800UL
572#define IMR_RACEIM 0x00000400UL
573#define IMR_TXWB1IM 0x00000200UL
574#define IMR_TXWB0IM 0x00000100UL
575
576#define IMR_PTX3IM 0x00000080UL
577#define IMR_PTX2IM 0x00000040UL
578#define IMR_PTX1IM 0x00000020UL
579#define IMR_PTX0IM 0x00000010UL
580#define IMR_PTXIM 0x00000008UL
581#define IMR_PRXIM 0x00000004UL
582#define IMR_PPTXIM 0x00000002UL
583#define IMR_PPRXIM 0x00000001UL
584
585/* 0x0013FB0FUL = initial value of IMR */
586
587#define INT_MASK_DEF (IMR_PPTXIM|IMR_PPRXIM|IMR_PTXIM|IMR_PRXIM|\
588 IMR_PWEIM|IMR_TXWB0IM|IMR_TXWB1IM|IMR_FLONIM|\
589 IMR_OVFIM|IMR_LSTEIM|IMR_LSTPEIM|IMR_SRCIM|IMR_MIBFIM|\
590 IMR_SHDNIM|IMR_TMR1IM|IMR_TMR0IM|IMR_TXSTLM)
591
592/*
593 * Bits in the TDCSR0/1, RDCSR0 register
594 */
595
596#define TRDCSR_DEAD 0x0008
597#define TRDCSR_WAK 0x0004
598#define TRDCSR_ACT 0x0002
599#define TRDCSR_RUN 0x0001
600
601/*
602 * Bits in the CAMADDR register
603 */
604
605#define CAMADDR_CAMEN 0x80
606#define CAMADDR_VCAMSL 0x40
607
608/*
609 * Bits in the CAMCR register
610 */
611
612#define CAMCR_PS1 0x80
613#define CAMCR_PS0 0x40
614#define CAMCR_AITRPKT 0x20
615#define CAMCR_AITR16 0x10
616#define CAMCR_CAMRD 0x08
617#define CAMCR_CAMWR 0x04
618#define CAMCR_PS_CAM_MASK 0x40
619#define CAMCR_PS_CAM_DATA 0x80
620#define CAMCR_PS_MAR 0x00
621
622/*
623 * Bits in the MIICFG register
624 */
625
626#define MIICFG_MPO1 0x80
627#define MIICFG_MPO0 0x40
628#define MIICFG_MFDC 0x20
629
630/*
631 * Bits in the MIISR register
632 */
633
634#define MIISR_MIDLE 0x80
635
636/*
637 * Bits in the PHYSR0 register
638 */
639
640#define PHYSR0_PHYRST 0x80
641#define PHYSR0_LINKGD 0x40
642#define PHYSR0_FDPX 0x10
643#define PHYSR0_SPDG 0x08
644#define PHYSR0_SPD10 0x04
645#define PHYSR0_RXFLC 0x02
646#define PHYSR0_TXFLC 0x01
647
648/*
649 * Bits in the PHYSR1 register
650 */
651
652#define PHYSR1_PHYTBI 0x01
653
654/*
655 * Bits in the MIICR register
656 */
657
658#define MIICR_MAUTO 0x80
659#define MIICR_RCMD 0x40
660#define MIICR_WCMD 0x20
661#define MIICR_MDPM 0x10
662#define MIICR_MOUT 0x08
663#define MIICR_MDO 0x04
664#define MIICR_MDI 0x02
665#define MIICR_MDC 0x01
666
667/*
668 * Bits in the MIIADR register
669 */
670
671#define MIIADR_SWMPL 0x80
672
673/*
674 * Bits in the CFGA register
675 */
676
677#define CFGA_PMHCTG 0x08
678#define CFGA_GPIO1PD 0x04
679#define CFGA_ABSHDN 0x02
680#define CFGA_PACPI 0x01
681
682/*
683 * Bits in the CFGB register
684 */
685
686#define CFGB_GTCKOPT 0x80
687#define CFGB_MIIOPT 0x40
688#define CFGB_CRSEOPT 0x20
689#define CFGB_OFSET 0x10
690#define CFGB_CRANDOM 0x08
691#define CFGB_CAP 0x04
692#define CFGB_MBA 0x02
693#define CFGB_BAKOPT 0x01
694
695/*
696 * Bits in the CFGC register
697 */
698
699#define CFGC_EELOAD 0x80
700#define CFGC_BROPT 0x40
701#define CFGC_DLYEN 0x20
702#define CFGC_DTSEL 0x10
703#define CFGC_BTSEL 0x08
704#define CFGC_BPS2 0x04 /* bootrom select[2] */
705#define CFGC_BPS1 0x02 /* bootrom select[1] */
706#define CFGC_BPS0 0x01 /* bootrom select[0] */
707
708/*
709 * Bits in the CFGD register
710 */
711
712#define CFGD_IODIS 0x80
713#define CFGD_MSLVDACEN 0x40
714#define CFGD_CFGDACEN 0x20
715#define CFGD_PCI64EN 0x10
716#define CFGD_HTMRL4 0x08
717
718/*
719 * Bits in the DCFG1 register
720 */
721
722#define DCFG_XMWI 0x8000
723#define DCFG_XMRM 0x4000
724#define DCFG_XMRL 0x2000
725#define DCFG_PERDIS 0x1000
726#define DCFG_MRWAIT 0x0400
727#define DCFG_MWWAIT 0x0200
728#define DCFG_LATMEN 0x0100
729
730/*
731 * Bits in the MCFG0 register
732 */
733
734#define MCFG_RXARB 0x0080
735#define MCFG_RFT1 0x0020
736#define MCFG_RFT0 0x0010
737#define MCFG_LOWTHOPT 0x0008
738#define MCFG_PQEN 0x0004
739#define MCFG_RTGOPT 0x0002
740#define MCFG_VIDFR 0x0001
741
742/*
743 * Bits in the MCFG1 register
744 */
745
746#define MCFG_TXARB 0x8000
747#define MCFG_TXQBK1 0x0800
748#define MCFG_TXQBK0 0x0400
749#define MCFG_TXQNOBK 0x0200
750#define MCFG_SNAPOPT 0x0100
751
752/*
753 * Bits in the PMCC register
754 */
755
756#define PMCC_DSI 0x80
757#define PMCC_D2_DIS 0x40
758#define PMCC_D1_DIS 0x20
759#define PMCC_D3C_EN 0x10
760#define PMCC_D3H_EN 0x08
761#define PMCC_D2_EN 0x04
762#define PMCC_D1_EN 0x02
763#define PMCC_D0_EN 0x01
764
765/*
766 * Bits in STICKHW
767 */
768
769#define STICKHW_SWPTAG 0x10
770#define STICKHW_WOLSR 0x08
771#define STICKHW_WOLEN 0x04
772#define STICKHW_DS1 0x02 /* R/W by software/cfg cycle */
773#define STICKHW_DS0 0x01 /* suspend well DS write port */
774
775/*
776 * Bits in the MIBCR register
777 */
778
779#define MIBCR_MIBISTOK 0x80
780#define MIBCR_MIBISTGO 0x40
781#define MIBCR_MIBINC 0x20
782#define MIBCR_MIBHI 0x10
783#define MIBCR_MIBFRZ 0x08
784#define MIBCR_MIBFLSH 0x04
785#define MIBCR_MPTRINI 0x02
786#define MIBCR_MIBCLR 0x01
787
788/*
789 * Bits in the EERSV register
790 */
791
792#define EERSV_BOOT_RPL ((u8) 0x01) /* Boot method selection for VT6110 */
793
794#define EERSV_BOOT_MASK ((u8) 0x06)
795#define EERSV_BOOT_INT19 ((u8) 0x00)
796#define EERSV_BOOT_INT18 ((u8) 0x02)
797#define EERSV_BOOT_LOCAL ((u8) 0x04)
798#define EERSV_BOOT_BEV ((u8) 0x06)
799
800
801/*
802 * Bits in BPCMD
803 */
804
805#define BPCMD_BPDNE 0x80
806#define BPCMD_EBPWR 0x02
807#define BPCMD_EBPRD 0x01
808
809/*
810 * Bits in the EECSR register
811 */
812
813#define EECSR_EMBP 0x40 /* eeprom embedded programming */
814#define EECSR_RELOAD 0x20 /* eeprom content reload */
815#define EECSR_DPM 0x10 /* eeprom direct programming */
816#define EECSR_ECS 0x08 /* eeprom CS pin */
817#define EECSR_ECK 0x04 /* eeprom CK pin */
818#define EECSR_EDI 0x02 /* eeprom DI pin */
819#define EECSR_EDO 0x01 /* eeprom DO pin */
820
821/*
822 * Bits in the EMBCMD register
823 */
824
825#define EMBCMD_EDONE 0x80
826#define EMBCMD_EWDIS 0x08
827#define EMBCMD_EWEN 0x04
828#define EMBCMD_EWR 0x02
829#define EMBCMD_ERD 0x01
830
831/*
832 * Bits in TESTCFG register
833 */
834
835#define TESTCFG_HBDIS 0x80
836
837/*
838 * Bits in CHIPGCR register
839 */
840
841#define CHIPGCR_FCGMII 0x80 /* force GMII (else MII only) */
842#define CHIPGCR_FCFDX 0x40 /* force full duplex */
843#define CHIPGCR_FCRESV 0x20
844#define CHIPGCR_FCMODE 0x10 /* enable MAC forced mode */
845#define CHIPGCR_LPSOPT 0x08
846#define CHIPGCR_TM1US 0x04
847#define CHIPGCR_TM0US 0x02
848#define CHIPGCR_PHYINTEN 0x01
849
850/*
851 * Bits in WOLCR0
852 */
853
854#define WOLCR_MSWOLEN7 0x0080 /* enable pattern match filtering */
855#define WOLCR_MSWOLEN6 0x0040
856#define WOLCR_MSWOLEN5 0x0020
857#define WOLCR_MSWOLEN4 0x0010
858#define WOLCR_MSWOLEN3 0x0008
859#define WOLCR_MSWOLEN2 0x0004
860#define WOLCR_MSWOLEN1 0x0002
861#define WOLCR_MSWOLEN0 0x0001
862#define WOLCR_ARP_EN 0x0001
863
864/*
865 * Bits in WOLCR1
866 */
867
868#define WOLCR_LINKOFF_EN 0x0800 /* link off detected enable */
869#define WOLCR_LINKON_EN 0x0400 /* link on detected enable */
870#define WOLCR_MAGIC_EN 0x0200 /* magic packet filter enable */
871#define WOLCR_UNICAST_EN 0x0100 /* unicast filter enable */
872
873
874/*
875 * Bits in PWCFG
876 */
877
878#define PWCFG_PHYPWOPT 0x80 /* internal MII I/F timing */
879#define PWCFG_PCISTICK 0x40 /* PCI sticky R/W enable */
880#define PWCFG_WOLTYPE 0x20 /* pulse(1) or button (0) */
881#define PWCFG_LEGCY_WOL 0x10
882#define PWCFG_PMCSR_PME_SR 0x08
883#define PWCFG_PMCSR_PME_EN 0x04 /* control by PCISTICK */
884#define PWCFG_LEGACY_WOLSR 0x02 /* Legacy WOL_SR shadow */
885#define PWCFG_LEGACY_WOLEN 0x01 /* Legacy WOL_EN shadow */
886
887/*
888 * Bits in WOLCFG
889 */
890
891#define WOLCFG_PMEOVR 0x80 /* for legacy use, force PMEEN always */
892#define WOLCFG_SAM 0x20 /* accept multicast case reset, default=0 */
893#define WOLCFG_SAB 0x10 /* accept broadcast case reset, default=0 */
894#define WOLCFG_SMIIACC 0x08 /* ?? */
895#define WOLCFG_SGENWH 0x02
896#define WOLCFG_PHYINTEN 0x01 /* 0:PHYINT trigger enable, 1:use internal MII
897 to report status change */
898/*
899 * Bits in WOLSR1
900 */
901
902#define WOLSR_LINKOFF_INT 0x0800
903#define WOLSR_LINKON_INT 0x0400
904#define WOLSR_MAGIC_INT 0x0200
905#define WOLSR_UNICAST_INT 0x0100
906
907/*
908 * Ethernet address filter type
909 */
910
911#define PKT_TYPE_NONE 0x0000 /* Turn off receiver */
912#define PKT_TYPE_DIRECTED 0x0001 /* obselete, directed address is always accepted */
913#define PKT_TYPE_MULTICAST 0x0002
914#define PKT_TYPE_ALL_MULTICAST 0x0004
915#define PKT_TYPE_BROADCAST 0x0008
916#define PKT_TYPE_PROMISCUOUS 0x0020
917#define PKT_TYPE_LONG 0x2000 /* NOTE.... the definition of LONG is >2048 bytes in our chip */
918#define PKT_TYPE_RUNT 0x4000
919#define PKT_TYPE_ERROR 0x8000 /* Accept error packets, e.g. CRC error */
920
921/*
922 * Loopback mode
923 */
924
925#define MAC_LB_NONE 0x00
926#define MAC_LB_INTERNAL 0x01
927#define MAC_LB_EXTERNAL 0x02
928
929/*
930 * Enabled mask value of irq
931 */
932
933#if defined(_SIM)
934#define IMR_MASK_VALUE 0x0033FF0FUL /* initial value of IMR
935 set IMR0 to 0x0F according to spec */
936
937#else
938#define IMR_MASK_VALUE 0x0013FB0FUL /* initial value of IMR
939 ignore MIBFI,RACEI to
940 reduce intr. frequency
941 NOTE.... do not enable NoBuf int mask at driver
942 when (1) NoBuf -> RxThreshold = SF
943 (2) OK -> RxThreshold = original value
944 */
945#endif
946
947/*
948 * Revision id
949 */
950
951#define REV_ID_VT3119_A0 0x00
952#define REV_ID_VT3119_A1 0x01
953#define REV_ID_VT3216_A0 0x10
954
955/*
956 * Max time out delay time
957 */
958
959#define W_MAX_TIMEOUT 0x0FFFU
960
961
962/*
963 * MAC registers as a structure. Cannot be directly accessed this
964 * way but generates offsets for readl/writel() calls
965 */
966
967struct mac_regs {
968 volatile u8 PAR[6]; /* 0x00 */
969 volatile u8 RCR;
970 volatile u8 TCR;
971
972 volatile __le32 CR0Set; /* 0x08 */
973 volatile __le32 CR0Clr; /* 0x0C */
974
975 volatile u8 MARCAM[8]; /* 0x10 */
976
977 volatile __le32 DecBaseHi; /* 0x18 */
978 volatile __le16 DbfBaseHi; /* 0x1C */
979 volatile __le16 reserved_1E;
980
981 volatile __le16 ISRCTL; /* 0x20 */
982 volatile u8 TXESR;
983 volatile u8 RXESR;
984
985 volatile __le32 ISR; /* 0x24 */
986 volatile __le32 IMR;
987
988 volatile __le32 TDStatusPort; /* 0x2C */
989
990 volatile __le16 TDCSRSet; /* 0x30 */
991 volatile u8 RDCSRSet;
992 volatile u8 reserved_33;
993 volatile __le16 TDCSRClr;
994 volatile u8 RDCSRClr;
995 volatile u8 reserved_37;
996
997 volatile __le32 RDBaseLo; /* 0x38 */
998 volatile __le16 RDIdx; /* 0x3C */
999 volatile u8 TQETMR; /* 0x3E, VT3216 and above only */
1000 volatile u8 RQETMR; /* 0x3F, VT3216 and above only */
1001
1002 volatile __le32 TDBaseLo[4]; /* 0x40 */
1003
1004 volatile __le16 RDCSize; /* 0x50 */
1005 volatile __le16 TDCSize; /* 0x52 */
1006 volatile __le16 TDIdx[4]; /* 0x54 */
1007 volatile __le16 tx_pause_timer; /* 0x5C */
1008 volatile __le16 RBRDU; /* 0x5E */
1009
1010 volatile __le32 FIFOTest0; /* 0x60 */
1011 volatile __le32 FIFOTest1; /* 0x64 */
1012
1013 volatile u8 CAMADDR; /* 0x68 */
1014 volatile u8 CAMCR; /* 0x69 */
1015 volatile u8 GFTEST; /* 0x6A */
1016 volatile u8 FTSTCMD; /* 0x6B */
1017
1018 volatile u8 MIICFG; /* 0x6C */
1019 volatile u8 MIISR;
1020 volatile u8 PHYSR0;
1021 volatile u8 PHYSR1;
1022 volatile u8 MIICR;
1023 volatile u8 MIIADR;
1024 volatile __le16 MIIDATA;
1025
1026 volatile __le16 SoftTimer0; /* 0x74 */
1027 volatile __le16 SoftTimer1;
1028
1029 volatile u8 CFGA; /* 0x78 */
1030 volatile u8 CFGB;
1031 volatile u8 CFGC;
1032 volatile u8 CFGD;
1033
1034 volatile __le16 DCFG; /* 0x7C */
1035 volatile __le16 MCFG;
1036
1037 volatile u8 TBIST; /* 0x80 */
1038 volatile u8 RBIST;
1039 volatile u8 PMCPORT;
1040 volatile u8 STICKHW;
1041
1042 volatile u8 MIBCR; /* 0x84 */
1043 volatile u8 reserved_85;
1044 volatile u8 rev_id;
1045 volatile u8 PORSTS;
1046
1047 volatile __le32 MIBData; /* 0x88 */
1048
1049 volatile __le16 EEWrData;
1050
1051 volatile u8 reserved_8E;
1052 volatile u8 BPMDWr;
1053 volatile u8 BPCMD;
1054 volatile u8 BPMDRd;
1055
1056 volatile u8 EECHKSUM; /* 0x92 */
1057 volatile u8 EECSR;
1058
1059 volatile __le16 EERdData; /* 0x94 */
1060 volatile u8 EADDR;
1061 volatile u8 EMBCMD;
1062
1063
1064 volatile u8 JMPSR0; /* 0x98 */
1065 volatile u8 JMPSR1;
1066 volatile u8 JMPSR2;
1067 volatile u8 JMPSR3;
1068 volatile u8 CHIPGSR; /* 0x9C */
1069 volatile u8 TESTCFG;
1070 volatile u8 DEBUG;
1071 volatile u8 CHIPGCR;
1072
1073 volatile __le16 WOLCRSet; /* 0xA0 */
1074 volatile u8 PWCFGSet;
1075 volatile u8 WOLCFGSet;
1076
1077 volatile __le16 WOLCRClr; /* 0xA4 */
1078 volatile u8 PWCFGCLR;
1079 volatile u8 WOLCFGClr;
1080
1081 volatile __le16 WOLSRSet; /* 0xA8 */
1082 volatile __le16 reserved_AA;
1083
1084 volatile __le16 WOLSRClr; /* 0xAC */
1085 volatile __le16 reserved_AE;
1086
1087 volatile __le16 PatternCRC[8]; /* 0xB0 */
1088 volatile __le32 ByteMask[4][4]; /* 0xC0 */
1089};
1090
1091
1092enum hw_mib {
1093 HW_MIB_ifRxAllPkts = 0,
1094 HW_MIB_ifRxOkPkts,
1095 HW_MIB_ifTxOkPkts,
1096 HW_MIB_ifRxErrorPkts,
1097 HW_MIB_ifRxRuntOkPkt,
1098 HW_MIB_ifRxRuntErrPkt,
1099 HW_MIB_ifRx64Pkts,
1100 HW_MIB_ifTx64Pkts,
1101 HW_MIB_ifRx65To127Pkts,
1102 HW_MIB_ifTx65To127Pkts,
1103 HW_MIB_ifRx128To255Pkts,
1104 HW_MIB_ifTx128To255Pkts,
1105 HW_MIB_ifRx256To511Pkts,
1106 HW_MIB_ifTx256To511Pkts,
1107 HW_MIB_ifRx512To1023Pkts,
1108 HW_MIB_ifTx512To1023Pkts,
1109 HW_MIB_ifRx1024To1518Pkts,
1110 HW_MIB_ifTx1024To1518Pkts,
1111 HW_MIB_ifTxEtherCollisions,
1112 HW_MIB_ifRxPktCRCE,
1113 HW_MIB_ifRxJumboPkts,
1114 HW_MIB_ifTxJumboPkts,
1115 HW_MIB_ifRxMacControlFrames,
1116 HW_MIB_ifTxMacControlFrames,
1117 HW_MIB_ifRxPktFAE,
1118 HW_MIB_ifRxLongOkPkt,
1119 HW_MIB_ifRxLongPktErrPkt,
1120 HW_MIB_ifTXSQEErrors,
1121 HW_MIB_ifRxNobuf,
1122 HW_MIB_ifRxSymbolErrors,
1123 HW_MIB_ifInRangeLengthErrors,
1124 HW_MIB_ifLateCollisions,
1125 HW_MIB_SIZE
1126};
1127
1128enum chip_type {
1129 CHIP_TYPE_VT6110 = 1,
1130};
1131
1132struct velocity_info_tbl {
1133 enum chip_type chip_id;
1134 const char *name;
1135 int txqueue;
1136 u32 flags;
1137};
1138
1139#define mac_hw_mibs_init(regs) {\
1140 BYTE_REG_BITS_ON(MIBCR_MIBFRZ,&((regs)->MIBCR));\
1141 BYTE_REG_BITS_ON(MIBCR_MIBCLR,&((regs)->MIBCR));\
1142 do {}\
1143 while (BYTE_REG_BITS_IS_ON(MIBCR_MIBCLR,&((regs)->MIBCR)));\
1144 BYTE_REG_BITS_OFF(MIBCR_MIBFRZ,&((regs)->MIBCR));\
1145}
1146
1147#define mac_read_isr(regs) readl(&((regs)->ISR))
1148#define mac_write_isr(regs, x) writel((x),&((regs)->ISR))
1149#define mac_clear_isr(regs) writel(0xffffffffL,&((regs)->ISR))
1150
1151#define mac_write_int_mask(mask, regs) writel((mask),&((regs)->IMR));
1152#define mac_disable_int(regs) writel(CR0_GINTMSK1,&((regs)->CR0Clr))
1153#define mac_enable_int(regs) writel(CR0_GINTMSK1,&((regs)->CR0Set))
1154
1155#define mac_set_dma_length(regs, n) {\
1156 BYTE_REG_BITS_SET((n),0x07,&((regs)->DCFG));\
1157}
1158
1159#define mac_set_rx_thresh(regs, n) {\
1160 BYTE_REG_BITS_SET((n),(MCFG_RFT0|MCFG_RFT1),&((regs)->MCFG));\
1161}
1162
1163#define mac_rx_queue_run(regs) {\
1164 writeb(TRDCSR_RUN, &((regs)->RDCSRSet));\
1165}
1166
1167#define mac_rx_queue_wake(regs) {\
1168 writeb(TRDCSR_WAK, &((regs)->RDCSRSet));\
1169}
1170
1171#define mac_tx_queue_run(regs, n) {\
1172 writew(TRDCSR_RUN<<((n)*4),&((regs)->TDCSRSet));\
1173}
1174
1175#define mac_tx_queue_wake(regs, n) {\
1176 writew(TRDCSR_WAK<<(n*4),&((regs)->TDCSRSet));\
1177}
1178
1179static inline void mac_eeprom_reload(struct mac_regs __iomem * regs) {
1180 int i=0;
1181
1182 BYTE_REG_BITS_ON(EECSR_RELOAD,&(regs->EECSR));
1183 do {
1184 udelay(10);
1185 if (i++>0x1000)
1186 break;
1187 } while (BYTE_REG_BITS_IS_ON(EECSR_RELOAD,&(regs->EECSR)));
1188}
1189
1190/*
1191 * Header for WOL definitions. Used to compute hashes
1192 */
1193
1194typedef u8 MCAM_ADDR[ETH_ALEN];
1195
1196struct arp_packet {
1197 u8 dest_mac[ETH_ALEN];
1198 u8 src_mac[ETH_ALEN];
1199 __be16 type;
1200 __be16 ar_hrd;
1201 __be16 ar_pro;
1202 u8 ar_hln;
1203 u8 ar_pln;
1204 __be16 ar_op;
1205 u8 ar_sha[ETH_ALEN];
1206 u8 ar_sip[4];
1207 u8 ar_tha[ETH_ALEN];
1208 u8 ar_tip[4];
1209} __packed;
1210
1211struct _magic_packet {
1212 u8 dest_mac[6];
1213 u8 src_mac[6];
1214 __be16 type;
1215 u8 MAC[16][6];
1216 u8 password[6];
1217} __packed;
1218
1219/*
1220 * Store for chip context when saving and restoring status. Not
1221 * all fields are saved/restored currently.
1222 */
1223
1224struct velocity_context {
1225 u8 mac_reg[256];
1226 MCAM_ADDR cam_addr[MCAM_SIZE];
1227 u16 vcam[VCAM_SIZE];
1228 u32 cammask[2];
1229 u32 patcrc[2];
1230 u32 pattern[8];
1231};
1232
1233/*
1234 * Registers in the MII (offset unit is WORD)
1235 */
1236
1237// Marvell 88E1000/88E1000S
1238#define MII_REG_PSCR 0x10 // PHY specific control register
1239
1240//
1241// Bits in the Silicon revision register
1242//
1243
1244#define TCSR_ECHODIS 0x2000 //
1245#define AUXCR_MDPPS 0x0004 //
1246
1247// Bits in the PLED register
1248#define PLED_LALBE 0x0004 //
1249
1250// Marvell 88E1000/88E1000S Bits in the PHY specific control register (10h)
1251#define PSCR_ACRSTX 0x0800 // Assert CRS on Transmit
1252
1253#define PHYID_CICADA_CS8201 0x000FC410UL
1254#define PHYID_VT3216_32BIT 0x000FC610UL
1255#define PHYID_VT3216_64BIT 0x000FC600UL
1256#define PHYID_MARVELL_1000 0x01410C50UL
1257#define PHYID_MARVELL_1000S 0x01410C40UL
1258#define PHYID_ICPLUS_IP101A 0x02430C54UL
1259#define PHYID_REV_ID_MASK 0x0000000FUL
1260
1261#define PHYID_GET_PHY_ID(i) ((i) & ~PHYID_REV_ID_MASK)
1262
1263#define MII_REG_BITS_ON(x,i,p) do {\
1264 u16 w;\
1265 velocity_mii_read((p),(i),&(w));\
1266 (w)|=(x);\
1267 velocity_mii_write((p),(i),(w));\
1268} while (0)
1269
1270#define MII_REG_BITS_OFF(x,i,p) do {\
1271 u16 w;\
1272 velocity_mii_read((p),(i),&(w));\
1273 (w)&=(~(x));\
1274 velocity_mii_write((p),(i),(w));\
1275} while (0)
1276
1277#define MII_REG_BITS_IS_ON(x,i,p) ({\
1278 u16 w;\
1279 velocity_mii_read((p),(i),&(w));\
1280 ((int) ((w) & (x)));})
1281
1282#define MII_GET_PHY_ID(p) ({\
1283 u32 id;\
1284 velocity_mii_read((p),MII_PHYSID2,(u16 *) &id);\
1285 velocity_mii_read((p),MII_PHYSID1,((u16 *) &id)+1);\
1286 (id);})
1287
1288#define VELOCITY_WOL_MAGIC 0x00000000UL
1289#define VELOCITY_WOL_PHY 0x00000001UL
1290#define VELOCITY_WOL_ARP 0x00000002UL
1291#define VELOCITY_WOL_UCAST 0x00000004UL
1292#define VELOCITY_WOL_BCAST 0x00000010UL
1293#define VELOCITY_WOL_MCAST 0x00000020UL
1294#define VELOCITY_WOL_MAGIC_SEC 0x00000040UL
1295
1296/*
1297 * Flags for options
1298 */
1299
1300#define VELOCITY_FLAGS_TAGGING 0x00000001UL
1301#define VELOCITY_FLAGS_RX_CSUM 0x00000004UL
1302#define VELOCITY_FLAGS_IP_ALIGN 0x00000008UL
1303#define VELOCITY_FLAGS_VAL_PKT_LEN 0x00000010UL
1304
1305#define VELOCITY_FLAGS_FLOW_CTRL 0x01000000UL
1306
1307/*
1308 * Flags for driver status
1309 */
1310
1311#define VELOCITY_FLAGS_OPENED 0x00010000UL
1312#define VELOCITY_FLAGS_VMNS_CONNECTED 0x00020000UL
1313#define VELOCITY_FLAGS_VMNS_COMMITTED 0x00040000UL
1314#define VELOCITY_FLAGS_WOL_ENABLED 0x00080000UL
1315
1316/*
1317 * Flags for MII status
1318 */
1319
1320#define VELOCITY_LINK_FAIL 0x00000001UL
1321#define VELOCITY_SPEED_10 0x00000002UL
1322#define VELOCITY_SPEED_100 0x00000004UL
1323#define VELOCITY_SPEED_1000 0x00000008UL
1324#define VELOCITY_DUPLEX_FULL 0x00000010UL
1325#define VELOCITY_AUTONEG_ENABLE 0x00000020UL
1326#define VELOCITY_FORCED_BY_EEPROM 0x00000040UL
1327
1328/*
1329 * For velocity_set_media_duplex
1330 */
1331
1332#define VELOCITY_LINK_CHANGE 0x00000001UL
1333
1334enum speed_opt {
1335 SPD_DPX_AUTO = 0,
1336 SPD_DPX_100_HALF = 1,
1337 SPD_DPX_100_FULL = 2,
1338 SPD_DPX_10_HALF = 3,
1339 SPD_DPX_10_FULL = 4,
1340 SPD_DPX_1000_FULL = 5
1341};
1342
1343enum velocity_init_type {
1344 VELOCITY_INIT_COLD = 0,
1345 VELOCITY_INIT_RESET,
1346 VELOCITY_INIT_WOL
1347};
1348
1349enum velocity_flow_cntl_type {
1350 FLOW_CNTL_DEFAULT = 1,
1351 FLOW_CNTL_TX,
1352 FLOW_CNTL_RX,
1353 FLOW_CNTL_TX_RX,
1354 FLOW_CNTL_DISABLE,
1355};
1356
1357struct velocity_opt {
1358 int numrx; /* Number of RX descriptors */
1359 int numtx; /* Number of TX descriptors */
1360 enum speed_opt spd_dpx; /* Media link mode */
1361
1362 int DMA_length; /* DMA length */
1363 int rx_thresh; /* RX_THRESH */
1364 int flow_cntl;
1365 int wol_opts; /* Wake on lan options */
1366 int td_int_count;
1367 int int_works;
1368 int rx_bandwidth_hi;
1369 int rx_bandwidth_lo;
1370 int rx_bandwidth_en;
1371 int rxqueue_timer;
1372 int txqueue_timer;
1373 int tx_intsup;
1374 int rx_intsup;
1375 u32 flags;
1376};
1377
1378#define AVAIL_TD(p,q) ((p)->options.numtx-((p)->tx.used[(q)]))
1379
1380#define GET_RD_BY_IDX(vptr, idx) (vptr->rd_ring[idx])
1381
1382struct velocity_info {
1383 struct device *dev;
1384 struct pci_dev *pdev;
1385 struct net_device *netdev;
1386 bool no_eeprom;
1387
1388 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
1389 u8 ip_addr[4];
1390 enum chip_type chip_id;
1391
1392 struct mac_regs __iomem * mac_regs;
1393 unsigned long memaddr;
1394 unsigned long ioaddr;
1395
1396 struct tx_info {
1397 int numq;
1398
1399 /* FIXME: the locality of the data seems rather poor. */
1400 int used[TX_QUEUE_NO];
1401 int curr[TX_QUEUE_NO];
1402 int tail[TX_QUEUE_NO];
1403 struct tx_desc *rings[TX_QUEUE_NO];
1404 struct velocity_td_info *infos[TX_QUEUE_NO];
1405 dma_addr_t pool_dma[TX_QUEUE_NO];
1406 } tx;
1407
1408 struct rx_info {
1409 int buf_sz;
1410
1411 int dirty;
1412 int curr;
1413 u32 filled;
1414 struct rx_desc *ring;
1415 struct velocity_rd_info *info; /* It's an array */
1416 dma_addr_t pool_dma;
1417 } rx;
1418
1419 u32 mib_counter[MAX_HW_MIB_COUNTER];
1420 struct velocity_opt options;
1421
1422 u32 int_mask;
1423
1424 u32 flags;
1425
1426 u32 mii_status;
1427 u32 phy_id;
1428 int multicast_limit;
1429
1430 u8 vCAMmask[(VCAM_SIZE / 8)];
1431 u8 mCAMmask[(MCAM_SIZE / 8)];
1432
1433 spinlock_t lock;
1434
1435 int wol_opts;
1436 u8 wol_passwd[6];
1437
1438 struct velocity_context context;
1439
1440 u32 ticks;
1441 u32 ethtool_ops_nesting;
1442
1443 u8 rev_id;
1444
1445 struct napi_struct napi;
1446};
1447
1448/**
1449 * velocity_get_ip - find an IP address for the device
1450 * @vptr: Velocity to query
1451 *
1452 * Dig out an IP address for this interface so that we can
1453 * configure wakeup with WOL for ARP. If there are multiple IP
1454 * addresses on this chain then we use the first - multi-IP WOL is not
1455 * supported.
1456 *
1457 */
1458
1459static inline int velocity_get_ip(struct velocity_info *vptr)
1460{
1461 struct in_device *in_dev;
1462 struct in_ifaddr *ifa;
1463 int res = -ENOENT;
1464
1465 rcu_read_lock();
1466 in_dev = __in_dev_get_rcu(dev: vptr->netdev);
1467 if (in_dev != NULL) {
1468 ifa = rcu_dereference(in_dev->ifa_list);
1469 if (ifa != NULL) {
1470 memcpy(vptr->ip_addr, &ifa->ifa_address, 4);
1471 res = 0;
1472 }
1473 }
1474 rcu_read_unlock();
1475 return res;
1476}
1477
1478/**
1479 * velocity_update_hw_mibs - fetch MIB counters from chip
1480 * @vptr: velocity to update
1481 *
1482 * The velocity hardware keeps certain counters in the hardware
1483 * side. We need to read these when the user asks for statistics
1484 * or when they overflow (causing an interrupt). The read of the
1485 * statistic clears it, so we keep running master counters in user
1486 * space.
1487 */
1488
1489static inline void velocity_update_hw_mibs(struct velocity_info *vptr)
1490{
1491 u32 tmp;
1492 int i;
1493 BYTE_REG_BITS_ON(MIBCR_MIBFLSH, &(vptr->mac_regs->MIBCR));
1494
1495 while (BYTE_REG_BITS_IS_ON(MIBCR_MIBFLSH, &(vptr->mac_regs->MIBCR)));
1496
1497 BYTE_REG_BITS_ON(MIBCR_MPTRINI, &(vptr->mac_regs->MIBCR));
1498 for (i = 0; i < HW_MIB_SIZE; i++) {
1499 tmp = readl(addr: &(vptr->mac_regs->MIBData)) & 0x00FFFFFFUL;
1500 vptr->mib_counter[i] += tmp;
1501 }
1502}
1503
1504/**
1505 * init_flow_control_register - set up flow control
1506 * @vptr: velocity to configure
1507 *
1508 * Configure the flow control registers for this velocity device.
1509 */
1510
1511static inline void init_flow_control_register(struct velocity_info *vptr)
1512{
1513 struct mac_regs __iomem * regs = vptr->mac_regs;
1514
1515 /* Set {XHITH1, XHITH0, XLTH1, XLTH0} in FlowCR1 to {1, 0, 1, 1}
1516 depend on RD=64, and Turn on XNOEN in FlowCR1 */
1517 writel(val: (CR0_XONEN | CR0_XHITH1 | CR0_XLTH1 | CR0_XLTH0), addr: &regs->CR0Set);
1518 writel(val: (CR0_FDXTFCEN | CR0_FDXRFCEN | CR0_HDXFCEN | CR0_XHITH0), addr: &regs->CR0Clr);
1519
1520 /* Set TxPauseTimer to 0xFFFF */
1521 writew(val: 0xFFFF, addr: &regs->tx_pause_timer);
1522
1523 /* Initialize RBRDU to Rx buffer count. */
1524 writew(val: vptr->options.numrx, addr: &regs->RBRDU);
1525}
1526
1527
1528#endif
1529

source code of linux/drivers/net/ethernet/via/via-velocity.h