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Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -07001/*
2 * SuperH Ethernet device driver
3 *
4 * Copyright (C) 2006-2008 Nobuhiro Iwamatsu
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +00005 * Copyright (C) 2008-2009 Renesas Solutions Corp.
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -07006 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * The full GNU General Public License is included in this distribution in
20 * the file called "COPYING".
21 */
22
23#ifndef __SH_ETH_H__
24#define __SH_ETH_H__
25
26#include <linux/module.h>
27#include <linux/kernel.h>
28#include <linux/spinlock.h>
29#include <linux/workqueue.h>
30#include <linux/netdevice.h>
31#include <linux/phy.h>
32
Yoshinori Sato71557a32008-08-06 19:49:00 -040033#include <asm/sh_eth.h>
34
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -070035#define CARDNAME "sh-eth"
36#define TX_TIMEOUT (5*HZ)
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +090037#define TX_RING_SIZE 64 /* Tx ring size */
38#define RX_RING_SIZE 64 /* Rx ring size */
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -070039#define ETHERSMALL 60
40#define PKT_BUF_SZ 1538
41
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +000042#if defined(CONFIG_CPU_SUBTYPE_SH7763)
Yoshihiro Shimoda65ac8852009-05-24 23:54:30 +000043/* This CPU register maps is very difference by other SH4 CPU */
44
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -070045/* Chip Base Address */
Nobuhiro Iwamatsu2e2a6a92009-03-16 19:52:23 +000046# define SH_TSU_ADDR 0xFEE01800
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +000047# define ARSTR SH_TSU_ADDR
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -070048
49/* Chip Registers */
50/* E-DMAC */
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +090051# define EDSR 0x000
52# define EDMR 0x400
53# define EDTRR 0x408
54# define EDRRR 0x410
55# define EESR 0x428
56# define EESIPR 0x430
57# define TDLAR 0x010
58# define TDFAR 0x014
59# define TDFXR 0x018
60# define TDFFR 0x01C
61# define RDLAR 0x030
62# define RDFAR 0x034
63# define RDFXR 0x038
64# define RDFFR 0x03C
65# define TRSCER 0x438
66# define RMFCR 0x440
67# define TFTR 0x448
68# define FDR 0x450
69# define RMCR 0x458
70# define RPADIR 0x460
71# define FCFTR 0x468
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -070072
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +090073/* Ether Register */
74# define ECMR 0x500
75# define ECSR 0x510
76# define ECSIPR 0x518
77# define PIR 0x520
78# define PSR 0x528
79# define PIPR 0x52C
80# define RFLR 0x508
81# define APR 0x554
82# define MPR 0x558
83# define PFTCR 0x55C
84# define PFRCR 0x560
85# define TPAUSER 0x564
86# define GECMR 0x5B0
87# define BCULR 0x5B4
88# define MAHR 0x5C0
89# define MALR 0x5C8
90# define TROCR 0x700
91# define CDCR 0x708
92# define LCCR 0x710
93# define CEFCR 0x740
94# define FRECR 0x748
95# define TSFRCR 0x750
96# define TLFRCR 0x758
97# define RFCR 0x760
98# define CERCR 0x768
99# define CEECR 0x770
100# define MAFCR 0x778
101
102/* TSU Absolute Address */
103# define TSU_CTRST 0x004
104# define TSU_FWEN0 0x010
105# define TSU_FWEN1 0x014
106# define TSU_FCM 0x18
107# define TSU_BSYSL0 0x20
108# define TSU_BSYSL1 0x24
109# define TSU_PRISL0 0x28
110# define TSU_PRISL1 0x2C
111# define TSU_FWSL0 0x30
112# define TSU_FWSL1 0x34
113# define TSU_FWSLC 0x38
114# define TSU_QTAG0 0x40
115# define TSU_QTAG1 0x44
116# define TSU_FWSR 0x50
117# define TSU_FWINMK 0x54
118# define TSU_ADQT0 0x48
119# define TSU_ADQT1 0x4C
120# define TSU_VTAG0 0x58
121# define TSU_VTAG1 0x5C
122# define TSU_ADSBSY 0x60
123# define TSU_TEN 0x64
124# define TSU_POST1 0x70
125# define TSU_POST2 0x74
126# define TSU_POST3 0x78
127# define TSU_POST4 0x7C
128# define TSU_ADRH0 0x100
129# define TSU_ADRL0 0x104
130# define TSU_ADRH31 0x1F8
131# define TSU_ADRL31 0x1FC
132
133# define TXNLCR0 0x80
134# define TXALCR0 0x84
135# define RXNLCR0 0x88
136# define RXALCR0 0x8C
137# define FWNLCR0 0x90
138# define FWALCR0 0x94
139# define TXNLCR1 0xA0
140# define TXALCR1 0xA4
141# define RXNLCR1 0xA8
142# define RXALCR1 0xAC
143# define FWNLCR1 0xB0
144# define FWALCR1 0x40
145
Yoshihiro Shimoda65ac8852009-05-24 23:54:30 +0000146#elif defined(CONFIG_CPU_SH4) /* #if defined(CONFIG_CPU_SUBTYPE_SH7763) */
147/* EtherC */
148#define ECMR 0x100
149#define RFLR 0x108
150#define ECSR 0x110
151#define ECSIPR 0x118
152#define PIR 0x120
153#define PSR 0x128
154#define RDMLR 0x140
155#define IPGR 0x150
156#define APR 0x154
157#define MPR 0x158
158#define TPAUSER 0x164
159#define RFCF 0x160
160#define TPAUSECR 0x168
161#define BCFRR 0x16c
162#define MAHR 0x1c0
163#define MALR 0x1c8
164#define TROCR 0x1d0
165#define CDCR 0x1d4
166#define LCCR 0x1d8
167#define CNDCR 0x1dc
168#define CEFCR 0x1e4
169#define FRECR 0x1e8
170#define TSFRCR 0x1ec
171#define TLFRCR 0x1f0
172#define RFCR 0x1f4
173#define MAFCR 0x1f8
174#define RTRATE 0x1fc
175
176/* E-DMAC */
177#define EDMR 0x000
178#define EDTRR 0x008
179#define EDRRR 0x010
180#define TDLAR 0x018
181#define RDLAR 0x020
182#define EESR 0x028
183#define EESIPR 0x030
184#define TRSCER 0x038
185#define RMFCR 0x040
186#define TFTR 0x048
187#define FDR 0x050
188#define RMCR 0x058
189#define TFUCR 0x064
190#define RFOCR 0x068
191#define FCFTR 0x070
192#define RPADIR 0x078
193#define TRIMD 0x07c
194#define RBWAR 0x0c8
195#define RDFAR 0x0cc
196#define TBRAR 0x0d4
197#define TDFAR 0x0d8
198#else /* #elif defined(CONFIG_CPU_SH4) */
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000199/* This section is SH3 or SH2 */
Yoshinori Sato71557a32008-08-06 19:49:00 -0400200#ifndef CONFIG_CPU_SUBTYPE_SH7619
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900201/* Chip base address */
202# define SH_TSU_ADDR 0xA7000804
203# define ARSTR 0xA7000800
Yoshinori Sato71557a32008-08-06 19:49:00 -0400204#endif
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900205/* Chip Registers */
206/* E-DMAC */
207# define EDMR 0x0000
208# define EDTRR 0x0004
209# define EDRRR 0x0008
210# define TDLAR 0x000C
211# define RDLAR 0x0010
212# define EESR 0x0014
213# define EESIPR 0x0018
214# define TRSCER 0x001C
215# define RMFCR 0x0020
216# define TFTR 0x0024
217# define FDR 0x0028
218# define RMCR 0x002C
219# define EDOCR 0x0030
220# define FCFTR 0x0034
221# define RPADIR 0x0038
222# define TRIMD 0x003C
223# define RBWAR 0x0040
224# define RDFAR 0x0044
225# define TBRAR 0x004C
226# define TDFAR 0x0050
227
228/* Ether Register */
229# define ECMR 0x0160
230# define ECSR 0x0164
231# define ECSIPR 0x0168
232# define PIR 0x016C
233# define MAHR 0x0170
234# define MALR 0x0174
235# define RFLR 0x0178
236# define PSR 0x017C
237# define TROCR 0x0180
238# define CDCR 0x0184
239# define LCCR 0x0188
240# define CNDCR 0x018C
241# define CEFCR 0x0194
242# define FRECR 0x0198
243# define TSFRCR 0x019C
244# define TLFRCR 0x01A0
245# define RFCR 0x01A4
246# define MAFCR 0x01A8
247# define IPGR 0x01B4
248# if defined(CONFIG_CPU_SUBTYPE_SH7710)
249# define APR 0x01B8
250# define MPR 0x01BC
251# define TPAUSER 0x1C4
252# define BCFR 0x1CC
253# endif /* CONFIG_CPU_SH7710 */
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700254
255/* TSU */
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900256# define TSU_CTRST 0x004
257# define TSU_FWEN0 0x010
258# define TSU_FWEN1 0x014
259# define TSU_FCM 0x018
260# define TSU_BSYSL0 0x020
261# define TSU_BSYSL1 0x024
262# define TSU_PRISL0 0x028
263# define TSU_PRISL1 0x02C
264# define TSU_FWSL0 0x030
265# define TSU_FWSL1 0x034
266# define TSU_FWSLC 0x038
267# define TSU_QTAGM0 0x040
268# define TSU_QTAGM1 0x044
269# define TSU_ADQT0 0x048
270# define TSU_ADQT1 0x04C
271# define TSU_FWSR 0x050
272# define TSU_FWINMK 0x054
273# define TSU_ADSBSY 0x060
274# define TSU_TEN 0x064
275# define TSU_POST1 0x070
276# define TSU_POST2 0x074
277# define TSU_POST3 0x078
278# define TSU_POST4 0x07C
279# define TXNLCR0 0x080
280# define TXALCR0 0x084
281# define RXNLCR0 0x088
282# define RXALCR0 0x08C
283# define FWNLCR0 0x090
284# define FWALCR0 0x094
285# define TXNLCR1 0x0A0
286# define TXALCR1 0x0A4
287# define RXNLCR1 0x0A8
288# define RXALCR1 0x0AC
289# define FWNLCR1 0x0B0
290# define FWALCR1 0x0B4
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700291
292#define TSU_ADRH0 0x0100
293#define TSU_ADRL0 0x0104
294#define TSU_ADRL31 0x01FC
295
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900296#endif /* CONFIG_CPU_SUBTYPE_SH7763 */
297
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000298/* There are avoid compile error... */
299#if !defined(BCULR)
300#define BCULR 0x0fc
301#endif
302#if !defined(TRIMD)
303#define TRIMD 0x0fc
304#endif
305#if !defined(APR)
306#define APR 0x0fc
307#endif
308#if !defined(MPR)
309#define MPR 0x0fc
310#endif
311#if !defined(TPAUSER)
312#define TPAUSER 0x0fc
313#endif
314
315/* Driver's parameters */
316#if defined(CONFIG_CPU_SH4)
317#define SH4_SKB_RX_ALIGN 32
318#else
319#define SH2_SH3_SKB_RX_ALIGN 2
320#endif
321
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900322/*
323 * Register's bits
324 */
325#ifdef CONFIG_CPU_SUBTYPE_SH7763
326/* EDSR */
327enum EDSR_BIT {
328 EDSR_ENT = 0x01, EDSR_ENR = 0x02,
329};
330#define EDSR_ENALL (EDSR_ENT|EDSR_ENR)
331
332/* GECMR */
333enum GECMR_BIT {
334 GECMR_10 = 0x0, GECMR_100 = 0x04, GECMR_1000 = 0x01,
335};
336#endif
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700337
338/* EDMR */
339enum DMAC_M_BIT {
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000340 EDMR_EL = 0x40, /* Litte endian */
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900341 EDMR_DL1 = 0x20, EDMR_DL0 = 0x10,
342#ifdef CONFIG_CPU_SUBTYPE_SH7763
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000343 EDMR_SRST = 0x03,
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900344#else /* CONFIG_CPU_SUBTYPE_SH7763 */
345 EDMR_SRST = 0x01,
346#endif
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700347};
348
349/* EDTRR */
350enum DMAC_T_BIT {
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900351#ifdef CONFIG_CPU_SUBTYPE_SH7763
352 EDTRR_TRNS = 0x03,
353#else
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700354 EDTRR_TRNS = 0x01,
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900355#endif
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700356};
357
358/* EDRRR*/
359enum EDRRR_R_BIT {
360 EDRRR_R = 0x01,
361};
362
363/* TPAUSER */
364enum TPAUSER_BIT {
365 TPAUSER_TPAUSE = 0x0000ffff,
366 TPAUSER_UNLIMITED = 0,
367};
368
369/* BCFR */
370enum BCFR_BIT {
371 BCFR_RPAUSE = 0x0000ffff,
372 BCFR_UNLIMITED = 0,
373};
374
375/* PIR */
376enum PIR_BIT {
377 PIR_MDI = 0x08, PIR_MDO = 0x04, PIR_MMD = 0x02, PIR_MDC = 0x01,
378};
379
380/* PSR */
381enum PHY_STATUS_BIT { PHY_ST_LINK = 0x01, };
382
383/* EESR */
384enum EESR_BIT {
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000385 EESR_TWB1 = 0x80000000,
386 EESR_TWB = 0x40000000, /* same as TWB0 */
387 EESR_TC1 = 0x20000000,
388 EESR_TUC = 0x10000000,
389 EESR_ROC = 0x08000000,
390 EESR_TABT = 0x04000000,
391 EESR_RABT = 0x02000000,
392 EESR_RFRMER = 0x01000000, /* same as RFCOF */
393 EESR_ADE = 0x00800000,
394 EESR_ECI = 0x00400000,
395 EESR_FTC = 0x00200000, /* same as TC or TC0 */
396 EESR_TDE = 0x00100000,
397 EESR_TFE = 0x00080000, /* same as TFUF */
398 EESR_FRC = 0x00040000, /* same as FR */
399 EESR_RDE = 0x00020000,
400 EESR_RFE = 0x00010000,
401 EESR_CND = 0x00000800,
402 EESR_DLC = 0x00000400,
403 EESR_CD = 0x00000200,
404 EESR_RTO = 0x00000100,
405 EESR_RMAF = 0x00000080,
406 EESR_CEEF = 0x00000040,
407 EESR_CELF = 0x00000020,
408 EESR_RRF = 0x00000010,
409 EESR_RTLF = 0x00000008,
410 EESR_RTSF = 0x00000004,
411 EESR_PRE = 0x00000002,
412 EESR_CERF = 0x00000001,
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700413};
414
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000415#define DEFAULT_TX_CHECK (EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | \
416 EESR_RTO)
417#define DEFAULT_EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | \
418 EESR_RDE | EESR_RFRMER | EESR_ADE | \
419 EESR_TFE | EESR_TDE | EESR_ECI)
420#define DEFAULT_TX_ERROR_CHECK (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | \
421 EESR_TFE)
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700422
423/* EESIPR */
424enum DMAC_IM_BIT {
425 DMAC_M_TWB = 0x40000000, DMAC_M_TABT = 0x04000000,
426 DMAC_M_RABT = 0x02000000,
427 DMAC_M_RFRMER = 0x01000000, DMAC_M_ADF = 0x00800000,
428 DMAC_M_ECI = 0x00400000, DMAC_M_FTC = 0x00200000,
429 DMAC_M_TDE = 0x00100000, DMAC_M_TFE = 0x00080000,
430 DMAC_M_FRC = 0x00040000, DMAC_M_RDE = 0x00020000,
431 DMAC_M_RFE = 0x00010000, DMAC_M_TINT4 = 0x00000800,
432 DMAC_M_TINT3 = 0x00000400, DMAC_M_TINT2 = 0x00000200,
433 DMAC_M_TINT1 = 0x00000100, DMAC_M_RINT8 = 0x00000080,
434 DMAC_M_RINT5 = 0x00000010, DMAC_M_RINT4 = 0x00000008,
435 DMAC_M_RINT3 = 0x00000004, DMAC_M_RINT2 = 0x00000002,
436 DMAC_M_RINT1 = 0x00000001,
437};
438
439/* Receive descriptor bit */
440enum RD_STS_BIT {
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900441 RD_RACT = 0x80000000, RD_RDEL = 0x40000000,
442 RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000,
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700443 RD_RFE = 0x08000000, RD_RFS10 = 0x00000200,
444 RD_RFS9 = 0x00000100, RD_RFS8 = 0x00000080,
445 RD_RFS7 = 0x00000040, RD_RFS6 = 0x00000020,
446 RD_RFS5 = 0x00000010, RD_RFS4 = 0x00000008,
447 RD_RFS3 = 0x00000004, RD_RFS2 = 0x00000002,
448 RD_RFS1 = 0x00000001,
449};
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900450#define RDF1ST RD_RFP1
451#define RDFEND RD_RFP0
452#define RD_RFP (RD_RFP1|RD_RFP0)
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700453
454/* FCFTR */
455enum FCFTR_BIT {
456 FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000,
457 FCFTR_RFF0 = 0x00010000, FCFTR_RFD2 = 0x00000004,
458 FCFTR_RFD1 = 0x00000002, FCFTR_RFD0 = 0x00000001,
459};
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000460#define DEFAULT_FIFO_F_D_RFF (FCFTR_RFF2 | FCFTR_RFF1 | FCFTR_RFF0)
461#define DEFAULT_FIFO_F_D_RFD (FCFTR_RFD2 | FCFTR_RFD1 | FCFTR_RFD0)
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700462
463/* Transfer descriptor bit */
464enum TD_STS_BIT {
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900465 TD_TACT = 0x80000000,
466 TD_TDLE = 0x40000000, TD_TFP1 = 0x20000000,
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700467 TD_TFP0 = 0x10000000,
468};
469#define TDF1ST TD_TFP1
470#define TDFEND TD_TFP0
471#define TD_TFP (TD_TFP1|TD_TFP0)
472
473/* RMCR */
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000474#define DEFAULT_RMCR_VALUE 0x00000000
475
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700476/* ECMR */
477enum FELIC_MODE_BIT {
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900478 ECMR_TRCCM = 0x04000000, ECMR_RCSC = 0x00800000,
479 ECMR_DPAD = 0x00200000, ECMR_RZPF = 0x00100000,
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700480 ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000,
481 ECMR_TXF = 0x00010000, ECMR_MCT = 0x00002000, ECMR_PRCEF = 0x00001000,
482 ECMR_PMDE = 0x00000200, ECMR_RE = 0x00000040, ECMR_TE = 0x00000020,
Yoshihiro Shimoda65ac8852009-05-24 23:54:30 +0000483 ECMR_RTM = 0x00000010, ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004,
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000484 ECMR_DM = 0x00000002, ECMR_PRM = 0x00000001,
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700485};
486
487/* ECSR */
488enum ECSR_STATUS_BIT {
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900489 ECSR_BRCRX = 0x20, ECSR_PSRTO = 0x10,
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900490 ECSR_LCHNG = 0x04,
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700491 ECSR_MPD = 0x02, ECSR_ICD = 0x01,
492};
493
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000494#define DEFAULT_ECSR_INIT (ECSR_BRCRX | ECSR_PSRTO | ECSR_LCHNG | \
495 ECSR_ICD | ECSIPR_MPDIP)
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900496
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700497/* ECSIPR */
498enum ECSIPR_STATUS_MASK_BIT {
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900499 ECSIPR_BRCRXIP = 0x20, ECSIPR_PSRTOIP = 0x10,
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900500 ECSIPR_LCHNGIP = 0x04,
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700501 ECSIPR_MPDIP = 0x02, ECSIPR_ICDIP = 0x01,
502};
503
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000504#define DEFAULT_ECSIPR_INIT (ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | \
505 ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP)
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900506
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700507/* APR */
508enum APR_BIT {
509 APR_AP = 0x00000001,
510};
511
512/* MPR */
513enum MPR_BIT {
514 MPR_MP = 0x00000001,
515};
516
517/* TRSCER */
518enum DESC_I_BIT {
519 DESC_I_TINT4 = 0x0800, DESC_I_TINT3 = 0x0400, DESC_I_TINT2 = 0x0200,
520 DESC_I_TINT1 = 0x0100, DESC_I_RINT8 = 0x0080, DESC_I_RINT5 = 0x0010,
521 DESC_I_RINT4 = 0x0008, DESC_I_RINT3 = 0x0004, DESC_I_RINT2 = 0x0002,
522 DESC_I_RINT1 = 0x0001,
523};
524
525/* RPADIR */
526enum RPADIR_BIT {
527 RPADIR_PADS1 = 0x20000, RPADIR_PADS0 = 0x10000,
528 RPADIR_PADR = 0x0003f,
529};
530
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900531/* RFLR */
532#define RFLR_VALUE 0x1000
533
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700534/* FDR */
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000535#define DEFAULT_FDR_INIT 0x00000707
536
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700537enum phy_offsets {
538 PHY_CTRL = 0, PHY_STAT = 1, PHY_IDT1 = 2, PHY_IDT2 = 3,
539 PHY_ANA = 4, PHY_ANL = 5, PHY_ANE = 6,
540 PHY_16 = 16,
541};
542
543/* PHY_CTRL */
544enum PHY_CTRL_BIT {
545 PHY_C_RESET = 0x8000, PHY_C_LOOPBK = 0x4000, PHY_C_SPEEDSL = 0x2000,
546 PHY_C_ANEGEN = 0x1000, PHY_C_PWRDN = 0x0800, PHY_C_ISO = 0x0400,
547 PHY_C_RANEG = 0x0200, PHY_C_DUPLEX = 0x0100, PHY_C_COLT = 0x0080,
548};
549#define DM9161_PHY_C_ANEGEN 0 /* auto nego special */
550
551/* PHY_STAT */
552enum PHY_STAT_BIT {
553 PHY_S_100T4 = 0x8000, PHY_S_100X_F = 0x4000, PHY_S_100X_H = 0x2000,
554 PHY_S_10T_F = 0x1000, PHY_S_10T_H = 0x0800, PHY_S_ANEGC = 0x0020,
555 PHY_S_RFAULT = 0x0010, PHY_S_ANEGA = 0x0008, PHY_S_LINK = 0x0004,
556 PHY_S_JAB = 0x0002, PHY_S_EXTD = 0x0001,
557};
558
559/* PHY_ANA */
560enum PHY_ANA_BIT {
561 PHY_A_NP = 0x8000, PHY_A_ACK = 0x4000, PHY_A_RF = 0x2000,
562 PHY_A_FCS = 0x0400, PHY_A_T4 = 0x0200, PHY_A_FDX = 0x0100,
563 PHY_A_HDX = 0x0080, PHY_A_10FDX = 0x0040, PHY_A_10HDX = 0x0020,
Nobuhiro Iwamatsub0ca2a22008-06-30 11:08:17 +0900564 PHY_A_SEL = 0x001e,
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700565};
566/* PHY_ANL */
567enum PHY_ANL_BIT {
568 PHY_L_NP = 0x8000, PHY_L_ACK = 0x4000, PHY_L_RF = 0x2000,
569 PHY_L_FCS = 0x0400, PHY_L_T4 = 0x0200, PHY_L_FDX = 0x0100,
570 PHY_L_HDX = 0x0080, PHY_L_10FDX = 0x0040, PHY_L_10HDX = 0x0020,
571 PHY_L_SEL = 0x001f,
572};
573
574/* PHY_ANE */
575enum PHY_ANE_BIT {
576 PHY_E_PDF = 0x0010, PHY_E_LPNPA = 0x0008, PHY_E_NPA = 0x0004,
577 PHY_E_PRX = 0x0002, PHY_E_LPANEGA = 0x0001,
578};
579
580/* DM9161 */
581enum PHY_16_BIT {
582 PHY_16_BP4B45 = 0x8000, PHY_16_BPSCR = 0x4000, PHY_16_BPALIGN = 0x2000,
583 PHY_16_BP_ADPOK = 0x1000, PHY_16_Repeatmode = 0x0800,
584 PHY_16_TXselect = 0x0400,
585 PHY_16_Rsvd = 0x0200, PHY_16_RMIIEnable = 0x0100,
586 PHY_16_Force100LNK = 0x0080,
587 PHY_16_APDLED_CTL = 0x0040, PHY_16_COLLED_CTL = 0x0020,
588 PHY_16_RPDCTR_EN = 0x0010,
589 PHY_16_ResetStMch = 0x0008, PHY_16_PreamSupr = 0x0004,
590 PHY_16_Sleepmode = 0x0002,
591 PHY_16_RemoteLoopOut = 0x0001,
592};
593
594#define POST_RX 0x08
595#define POST_FW 0x04
596#define POST0_RX (POST_RX)
597#define POST0_FW (POST_FW)
598#define POST1_RX (POST_RX >> 2)
599#define POST1_FW (POST_FW >> 2)
600#define POST_ALL (POST0_RX | POST0_FW | POST1_RX | POST1_FW)
601
602/* ARSTR */
603enum ARSTR_BIT { ARSTR_ARSTR = 0x00000001, };
604
605/* TSU_FWEN0 */
606enum TSU_FWEN0_BIT {
607 TSU_FWEN0_0 = 0x00000001,
608};
609
610/* TSU_ADSBSY */
611enum TSU_ADSBSY_BIT {
612 TSU_ADSBSY_0 = 0x00000001,
613};
614
615/* TSU_TEN */
616enum TSU_TEN_BIT {
617 TSU_TEN_0 = 0x80000000,
618};
619
620/* TSU_FWSL0 */
621enum TSU_FWSL0_BIT {
622 TSU_FWSL0_FW50 = 0x1000, TSU_FWSL0_FW40 = 0x0800,
623 TSU_FWSL0_FW30 = 0x0400, TSU_FWSL0_FW20 = 0x0200,
624 TSU_FWSL0_FW10 = 0x0100, TSU_FWSL0_RMSA0 = 0x0010,
625};
626
627/* TSU_FWSLC */
628enum TSU_FWSLC_BIT {
629 TSU_FWSLC_POSTENU = 0x2000, TSU_FWSLC_POSTENL = 0x1000,
630 TSU_FWSLC_CAMSEL03 = 0x0080, TSU_FWSLC_CAMSEL02 = 0x0040,
631 TSU_FWSLC_CAMSEL01 = 0x0020, TSU_FWSLC_CAMSEL00 = 0x0010,
632 TSU_FWSLC_CAMSEL13 = 0x0008, TSU_FWSLC_CAMSEL12 = 0x0004,
633 TSU_FWSLC_CAMSEL11 = 0x0002, TSU_FWSLC_CAMSEL10 = 0x0001,
634};
635
636/*
637 * The sh ether Tx buffer descriptors.
638 * This structure should be 20 bytes.
639 */
640struct sh_eth_txdesc {
641 u32 status; /* TD0 */
642#if defined(CONFIG_CPU_LITTLE_ENDIAN)
643 u16 pad0; /* TD1 */
644 u16 buffer_length; /* TD1 */
645#else
646 u16 buffer_length; /* TD1 */
647 u16 pad0; /* TD1 */
648#endif
649 u32 addr; /* TD2 */
650 u32 pad1; /* padding data */
Yoshinori Sato71557a32008-08-06 19:49:00 -0400651} __attribute__((aligned(2), packed));
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700652
653/*
654 * The sh ether Rx buffer descriptors.
655 * This structure should be 20 bytes.
656 */
657struct sh_eth_rxdesc {
658 u32 status; /* RD0 */
659#if defined(CONFIG_CPU_LITTLE_ENDIAN)
660 u16 frame_length; /* RD1 */
661 u16 buffer_length; /* RD1 */
662#else
663 u16 buffer_length; /* RD1 */
664 u16 frame_length; /* RD1 */
665#endif
666 u32 addr; /* RD2 */
667 u32 pad0; /* padding data */
Yoshinori Sato71557a32008-08-06 19:49:00 -0400668} __attribute__((aligned(2), packed));
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700669
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000670/* This structure is used by each CPU dependency handling. */
671struct sh_eth_cpu_data {
672 /* optional functions */
673 void (*chip_reset)(struct net_device *ndev);
674 void (*set_duplex)(struct net_device *ndev);
675 void (*set_rate)(struct net_device *ndev);
676
677 /* mandatory initialize value */
678 unsigned long eesipr_value;
679
680 /* optional initialize value */
681 unsigned long ecsr_value;
682 unsigned long ecsipr_value;
683 unsigned long fdr_value;
684 unsigned long fcftr_value;
685 unsigned long rpadir_value;
686 unsigned long rmcr_value;
687
688 /* interrupt checking mask */
689 unsigned long tx_check;
690 unsigned long eesr_err_check;
691 unsigned long tx_error_check;
692
693 /* hardware features */
694 unsigned no_psr:1; /* EtherC DO NOT have PSR */
695 unsigned apr:1; /* EtherC have APR */
696 unsigned mpr:1; /* EtherC have MPR */
697 unsigned tpauser:1; /* EtherC have TPAUSER */
698 unsigned bculr:1; /* EtherC have BCULR */
699 unsigned hw_swap:1; /* E-DMAC have DE bit in EDMR */
700 unsigned rpadir:1; /* E-DMAC have RPADIR */
701 unsigned no_trimd:1; /* E-DMAC DO NOT have TRIMD */
702 unsigned no_ade:1; /* E-DMAC DO NOT have ADE bit in EESR */
703};
704
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700705struct sh_eth_private {
Magnus Dammbcd51492009-10-09 00:20:04 +0000706 struct platform_device *pdev;
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000707 struct sh_eth_cpu_data *cd;
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700708 dma_addr_t rx_desc_dma;
709 dma_addr_t tx_desc_dma;
710 struct sh_eth_rxdesc *rx_ring;
711 struct sh_eth_txdesc *tx_ring;
712 struct sk_buff **rx_skbuff;
713 struct sk_buff **tx_skbuff;
714 struct net_device_stats stats;
715 struct timer_list timer;
716 spinlock_t lock;
717 u32 cur_rx, dirty_rx; /* Producer/consumer ring indices */
718 u32 cur_tx, dirty_tx;
719 u32 rx_buf_sz; /* Based on MTU+slack. */
Yoshinori Sato71557a32008-08-06 19:49:00 -0400720 int edmac_endian;
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700721 /* MII transceiver section. */
722 u32 phy_id; /* PHY ID */
723 struct mii_bus *mii_bus; /* MDIO bus control */
724 struct phy_device *phydev; /* PHY device control */
725 enum phy_state link;
726 int msg_enable;
727 int speed;
728 int duplex;
729 u32 rx_int_var, tx_int_var; /* interrupt control variables */
730 char post_rx; /* POST receive */
731 char post_fw; /* POST forward */
732 struct net_device_stats tsu_stats; /* TSU forward status */
Yoshihiro Shimoda49235762009-08-27 23:25:03 +0000733
734 unsigned no_ether_link:1;
735 unsigned ether_link_active_low:1;
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700736};
737
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000738static inline void sh_eth_soft_swap(char *src, int len)
Nobuhiro Iwamatsu86a74ff2008-06-09 16:33:56 -0700739{
740#ifdef __LITTLE_ENDIAN__
741 u32 *p = (u32 *)src;
742 u32 *maxp;
743 maxp = p + ((len + sizeof(u32) - 1) / sizeof(u32));
744
745 for (; p < maxp; p++)
746 *p = swab32(*p);
747#endif
748}
Yoshihiro Shimoda380af9e2009-05-24 23:54:21 +0000749
750#endif /* #ifndef __SH_ETH_H__ */