2 * sh_eth.h - Driver for Renesas SuperH ethernet controler.
4 * Copyright (C) 2008 Renesas Solutions Corp.
5 * Copyright (c) 2008 Nobuhiro Iwamatsu
6 * Copyright (c) 2007 Carlos Munoz <carlos@kenati.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include <asm/types.h>
26 #define SHETHER_NAME "sh_eth"
28 /* Malloc returns addresses in the P1 area (cacheable). However we need to
29 use area P2 (non-cacheable) */
30 #define ADDR_TO_P2(addr) ((((int)(addr) & ~0xe0000000) | 0xa0000000))
32 /* The ethernet controller needs to use physical addresses */
33 #if defined(CONFIG_SH_32BIT)
34 #define ADDR_TO_PHY(addr) ((((int)(addr) & ~0xe0000000) | 0x40000000))
36 #define ADDR_TO_PHY(addr) ((int)(addr) & ~0xe0000000)
39 /* Number of supported ports */
40 #define MAX_PORT_NUM 2
42 /* Buffers must be big enough to hold the largest ethernet frame. Also, rx
43 buffers must be a multiple of 32 bytes */
44 #define MAX_BUF_SIZE (48 * 32)
46 /* The number of tx descriptors must be large enough to point to 5 or more
47 frames. If each frame uses 2 descriptors, at least 10 descriptors are needed.
48 We use one descriptor per frame */
51 /* The size of the tx descriptor is determined by how much padding is used.
52 4, 20, or 52 bytes of padding can be used */
53 #define TX_DESC_PADDING 4
54 #define TX_DESC_SIZE (12 + TX_DESC_PADDING)
56 /* Tx descriptor. We always use 3 bytes of padding */
60 u32 td2; /* Buffer start */
64 /* There is no limitation in the number of rx descriptors */
67 /* The size of the rx descriptor is determined by how much padding is used.
68 4, 20, or 52 bytes of padding can be used */
69 #define RX_DESC_PADDING 4
70 #define RX_DESC_SIZE (12 + RX_DESC_PADDING)
72 /* Rx descriptor. We always use 4 bytes of padding */
76 u32 rd2; /* Buffer start */
81 struct tx_desc_s *tx_desc_malloc;
82 struct tx_desc_s *tx_desc_base;
83 struct tx_desc_s *tx_desc_cur;
84 struct rx_desc_s *rx_desc_malloc;
85 struct rx_desc_s *rx_desc_base;
86 struct rx_desc_s *rx_desc_cur;
91 struct eth_device *dev;
96 struct sh_eth_info port_info[MAX_PORT_NUM];
99 /* Register Address */
100 #ifdef CONFIG_CPU_SH7763
101 #define BASE_IO_ADDR 0xfee00000
103 #define EDSR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0000)
105 #define TDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0010)
106 #define TDFAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0014)
107 #define TDFXR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0018)
108 #define TDFFR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x001c)
110 #define RDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0030)
111 #define RDFAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0034)
112 #define RDFXR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0038)
113 #define RDFFR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x003c)
115 #define EDMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0400)
116 #define EDTRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0408)
117 #define EDRRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0410)
118 #define EESR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0428)
119 #define EESIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0430)
120 #define TRSCER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0438)
121 #define TFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0448)
122 #define FDR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0450)
123 #define RMCR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0458)
124 #define RPADIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0460)
125 #define FCFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0468)
126 #define ECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0500)
127 #define RFLR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0508)
128 #define ECSIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0518)
129 #define PIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0520)
130 #define PIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x052c)
131 #define APR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0554)
132 #define MPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0558)
133 #define TPAUSER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0564)
134 #define GECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05b0)
135 #define MALR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05c8)
136 #define MAHR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05c0)
138 #elif defined(CONFIG_CPU_SH7757)
139 #define BASE_IO_ADDR 0xfef00000
141 #define TDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0018)
142 #define RDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0020)
144 #define EDMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0000)
145 #define EDTRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0008)
146 #define EDRRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0010)
147 #define EESR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0028)
148 #define EESIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0030)
149 #define TRSCER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0038)
150 #define TFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0048)
151 #define FDR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0050)
152 #define RMCR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0058)
153 #define FCFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0070)
154 #define ECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0100)
155 #define RFLR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0108)
156 #define ECSIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0118)
157 #define PIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0120)
158 #define APR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0154)
159 #define MPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0158)
160 #define TPAUSER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0164)
161 #define MAHR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x01c0)
162 #define MALR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x01c8)
163 #define RTRATE(port) (BASE_IO_ADDR + 0x800 * (port) + 0x01fc)
168 * Copy from Linux driver source code
170 #ifdef CONFIG_CPU_SH7763
173 EDSR_ENT = 0x01, EDSR_ENR = 0x02,
175 #define EDSR_ENALL (EDSR_ENT|EDSR_ENR)
180 EDMR_DL1 = 0x20, EDMR_DL0 = 0x10,
181 #ifdef CONFIG_CPU_SH7763
183 EMDR_DESC_R = 0x30, /* Descriptor reserve size */
184 EDMR_EL = 0x40, /* Litte endian */
185 #elif defined CONFIG_CPU_SH7757
187 EMDR_DESC_R = 0x30, /* Descriptor reserve size */
188 EDMR_EL = 0x40, /* Litte endian */
189 #else /* CONFIG_CPU_SH7763 */
195 #define RFLR_RFL_MIN 0x05EE /* Recv Frame length 1518 byte */
199 #ifdef CONFIG_CPU_SH7763
208 GECMR_1000B = 0x01, GECMR_100B = 0x04, GECMR_10B = 0x00,
218 TPAUSER_TPAUSE = 0x0000ffff,
219 TPAUSER_UNLIMITED = 0,
224 BCFR_RPAUSE = 0x0000ffff,
230 PIR_MDI = 0x08, PIR_MDO = 0x04, PIR_MMD = 0x02, PIR_MDC = 0x01,
234 enum PHY_STATUS_BIT { PHY_ST_LINK = 0x01, };
238 #ifndef CONFIG_CPU_SH7763
239 EESR_TWB = 0x40000000,
241 EESR_TWB = 0xC0000000,
242 EESR_TC1 = 0x20000000,
243 EESR_TUC = 0x10000000,
244 EESR_ROC = 0x80000000,
246 EESR_TABT = 0x04000000,
247 EESR_RABT = 0x02000000, EESR_RFRMER = 0x01000000,
248 #ifndef CONFIG_CPU_SH7763
249 EESR_ADE = 0x00800000,
251 EESR_ECI = 0x00400000,
252 EESR_FTC = 0x00200000, EESR_TDE = 0x00100000,
253 EESR_TFE = 0x00080000, EESR_FRC = 0x00040000,
254 EESR_RDE = 0x00020000, EESR_RFE = 0x00010000,
255 #ifndef CONFIG_CPU_SH7763
256 EESR_CND = 0x00000800,
258 EESR_DLC = 0x00000400,
259 EESR_CD = 0x00000200, EESR_RTO = 0x00000100,
260 EESR_RMAF = 0x00000080, EESR_CEEF = 0x00000040,
261 EESR_CELF = 0x00000020, EESR_RRF = 0x00000010,
262 rESR_RTLF = 0x00000008, EESR_RTSF = 0x00000004,
263 EESR_PRE = 0x00000002, EESR_CERF = 0x00000001,
267 #ifdef CONFIG_CPU_SH7763
268 # define TX_CHECK (EESR_TC1 | EESR_FTC)
269 # define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \
270 | EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI)
271 # define TX_ERROR_CEHCK (EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE)
274 # define TX_CHECK (EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO)
275 # define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \
276 | EESR_RFRMER | EESR_ADE | EESR_TFE | EESR_TDE | EESR_ECI)
277 # define TX_ERROR_CEHCK (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE)
282 DMAC_M_TWB = 0x40000000, DMAC_M_TABT = 0x04000000,
283 DMAC_M_RABT = 0x02000000,
284 DMAC_M_RFRMER = 0x01000000, DMAC_M_ADF = 0x00800000,
285 DMAC_M_ECI = 0x00400000, DMAC_M_FTC = 0x00200000,
286 DMAC_M_TDE = 0x00100000, DMAC_M_TFE = 0x00080000,
287 DMAC_M_FRC = 0x00040000, DMAC_M_RDE = 0x00020000,
288 DMAC_M_RFE = 0x00010000, DMAC_M_TINT4 = 0x00000800,
289 DMAC_M_TINT3 = 0x00000400, DMAC_M_TINT2 = 0x00000200,
290 DMAC_M_TINT1 = 0x00000100, DMAC_M_RINT8 = 0x00000080,
291 DMAC_M_RINT5 = 0x00000010, DMAC_M_RINT4 = 0x00000008,
292 DMAC_M_RINT3 = 0x00000004, DMAC_M_RINT2 = 0x00000002,
293 DMAC_M_RINT1 = 0x00000001,
296 /* Receive descriptor bit */
298 RD_RACT = 0x80000000, RD_RDLE = 0x40000000,
299 RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000,
300 RD_RFE = 0x08000000, RD_RFS10 = 0x00000200,
301 RD_RFS9 = 0x00000100, RD_RFS8 = 0x00000080,
302 RD_RFS7 = 0x00000040, RD_RFS6 = 0x00000020,
303 RD_RFS5 = 0x00000010, RD_RFS4 = 0x00000008,
304 RD_RFS3 = 0x00000004, RD_RFS2 = 0x00000002,
305 RD_RFS1 = 0x00000001,
307 #define RDF1ST RD_RFP1
308 #define RDFEND RD_RFP0
309 #define RD_RFP (RD_RFP1|RD_RFP0)
318 FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000,
319 FCFTR_RFF0 = 0x00010000, FCFTR_RFD2 = 0x00000004,
320 FCFTR_RFD1 = 0x00000002, FCFTR_RFD0 = 0x00000001,
322 #define FIFO_F_D_RFF (FCFTR_RFF2|FCFTR_RFF1|FCFTR_RFF0)
323 #define FIFO_F_D_RFD (FCFTR_RFD2|FCFTR_RFD1|FCFTR_RFD0)
325 /* Transfer descriptor bit */
327 #if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7757)
328 TD_TACT = 0x80000000,
330 TD_TACT = 0x7fffffff,
332 TD_TDLE = 0x40000000, TD_TFP1 = 0x20000000,
333 TD_TFP0 = 0x10000000,
335 #define TDF1ST TD_TFP1
336 #define TDFEND TD_TFP0
337 #define TD_TFP (TD_TFP1|TD_TFP0)
340 enum RECV_RST_BIT { RMCR_RST = 0x01, };
342 enum FELIC_MODE_BIT {
343 #ifdef CONFIG_CPU_SH7763
344 ECMR_TRCCM=0x04000000, ECMR_RCSC= 0x00800000, ECMR_DPAD= 0x00200000,
345 ECMR_RZPF = 0x00100000,
347 ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000,
348 ECMR_TXF = 0x00010000, ECMR_MCT = 0x00002000, ECMR_PRCEF = 0x00001000,
349 ECMR_PMDE = 0x00000200, ECMR_RE = 0x00000040, ECMR_TE = 0x00000020,
350 ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004, ECMR_DM = 0x00000002,
351 ECMR_PRM = 0x00000001,
354 #ifdef CONFIG_CPU_SH7763
355 #define ECMR_CHG_DM (ECMR_TRCCM | ECMR_RZPF | ECMR_ZPF | ECMR_PFR | ECMR_RXF | \
357 #elif CONFIG_CPU_SH7757
358 #define ECMR_CHG_DM (ECMR_ZPF)
360 #define ECMR_CHG_DM (ECMR_ZPF | ECMR_PFR | ECMR_RXF | ECMR_TXF | ECMR_MCT)
364 enum ECSR_STATUS_BIT {
365 #ifndef CONFIG_CPU_SH7763
366 ECSR_BRCRX = 0x20, ECSR_PSRTO = 0x10,
369 ECSR_MPD = 0x02, ECSR_ICD = 0x01,
372 #ifdef CONFIG_CPU_SH7763
373 # define ECSR_INIT (ECSR_ICD | ECSIPR_MPDIP)
375 # define ECSR_INIT (ECSR_BRCRX | ECSR_PSRTO | \
376 ECSR_LCHNG | ECSR_ICD | ECSIPR_MPDIP)
380 enum ECSIPR_STATUS_MASK_BIT {
381 #ifndef CONFIG_CPU_SH7763
382 ECSIPR_BRCRXIP = 0x20, ECSIPR_PSRTOIP = 0x10,
384 ECSIPR_LCHNGIP = 0x04,
385 ECSIPR_MPDIP = 0x02, ECSIPR_ICDIP = 0x01,
388 #ifdef CONFIG_CPU_SH7763
389 # define ECSIPR_INIT (ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP)
391 # define ECSIPR_INIT (ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | \
392 ECSIPR_ICDIP | ECSIPR_MPDIP)
397 #ifdef CONFIG_CPU_SH7757
406 #ifdef CONFIG_CPU_SH7757
415 DESC_I_TINT4 = 0x0800, DESC_I_TINT3 = 0x0400, DESC_I_TINT2 = 0x0200,
416 DESC_I_TINT1 = 0x0100, DESC_I_RINT8 = 0x0080, DESC_I_RINT5 = 0x0010,
417 DESC_I_RINT4 = 0x0008, DESC_I_RINT3 = 0x0004, DESC_I_RINT2 = 0x0002,
418 DESC_I_RINT1 = 0x0001,
423 RPADIR_PADS1 = 0x20000, RPADIR_PADS0 = 0x10000,
424 RPADIR_PADR = 0x0003f,
427 #ifdef CONFIG_CPU_SH7763
428 # define RPADIR_INIT (0x00)
430 # define RPADIR_INIT (RPADIR_PADS1)
435 FIFO_SIZE_T = 0x00000700, FIFO_SIZE_R = 0x00000007,
439 PHY_CTRL = 0, PHY_STAT = 1, PHY_IDT1 = 2, PHY_IDT2 = 3,
440 PHY_ANA = 4, PHY_ANL = 5, PHY_ANE = 6,
446 PHY_C_RESET = 0x8000, PHY_C_LOOPBK = 0x4000, PHY_C_SPEEDSL = 0x2000,
447 PHY_C_ANEGEN = 0x1000, PHY_C_PWRDN = 0x0800, PHY_C_ISO = 0x0400,
448 PHY_C_RANEG = 0x0200, PHY_C_DUPLEX = 0x0100, PHY_C_COLT = 0x0080,
450 #define DM9161_PHY_C_ANEGEN 0 /* auto nego special */
454 PHY_S_100T4 = 0x8000, PHY_S_100X_F = 0x4000, PHY_S_100X_H = 0x2000,
455 PHY_S_10T_F = 0x1000, PHY_S_10T_H = 0x0800, PHY_S_ANEGC = 0x0020,
456 PHY_S_RFAULT = 0x0010, PHY_S_ANEGA = 0x0008, PHY_S_LINK = 0x0004,
457 PHY_S_JAB = 0x0002, PHY_S_EXTD = 0x0001,
462 PHY_A_NP = 0x8000, PHY_A_ACK = 0x4000, PHY_A_RF = 0x2000,
463 PHY_A_FCS = 0x0400, PHY_A_T4 = 0x0200, PHY_A_FDX = 0x0100,
464 PHY_A_HDX = 0x0080, PHY_A_10FDX = 0x0040, PHY_A_10HDX = 0x0020,
471 PHY_L_NP = 0x8000, PHY_L_ACK = 0x4000, PHY_L_RF = 0x2000,
472 PHY_L_FCS = 0x0400, PHY_L_T4 = 0x0200, PHY_L_FDX = 0x0100,
473 PHY_L_HDX = 0x0080, PHY_L_10FDX = 0x0040, PHY_L_10HDX = 0x0020,
479 PHY_E_PDF = 0x0010, PHY_E_LPNPA = 0x0008, PHY_E_NPA = 0x0004,
480 PHY_E_PRX = 0x0002, PHY_E_LPANEGA = 0x0001,
485 PHY_16_BP4B45 = 0x8000, PHY_16_BPSCR = 0x4000, PHY_16_BPALIGN = 0x2000,
486 PHY_16_BP_ADPOK = 0x1000, PHY_16_Repeatmode = 0x0800,
487 PHY_16_TXselect = 0x0400,
488 PHY_16_Rsvd = 0x0200, PHY_16_RMIIEnable = 0x0100,
489 PHY_16_Force100LNK = 0x0080,
490 PHY_16_APDLED_CTL = 0x0040, PHY_16_COLLED_CTL = 0x0020,
491 PHY_16_RPDCTR_EN = 0x0010,
492 PHY_16_ResetStMch = 0x0008, PHY_16_PreamSupr = 0x0004,
493 PHY_16_Sleepmode = 0x0002,
494 PHY_16_RemoteLoopOut = 0x0001,