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Commit | Line | Data |
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9751ee09 | 1 | /* |
1cc0a9f4 | 2 | * sh_eth.c - Driver for Renesas ethernet controller. |
9751ee09 | 3 | * |
3bb4cc31 | 4 | * Copyright (C) 2008, 2011 Renesas Solutions Corp. |
f7ca1f76 | 5 | * Copyright (c) 2008, 2011, 2014 2014 Nobuhiro Iwamatsu |
9751ee09 | 6 | * Copyright (c) 2007 Carlos Munoz <carlos@kenati.com> |
f7ca1f76 | 7 | * Copyright (C) 2013, 2014 Renesas Electronics Corporation |
9751ee09 | 8 | * |
1a459660 | 9 | * SPDX-License-Identifier: GPL-2.0+ |
9751ee09 NI |
10 | */ |
11 | ||
12 | #include <config.h> | |
13 | #include <common.h> | |
14 | #include <malloc.h> | |
15 | #include <net.h> | |
bd3980cc | 16 | #include <netdev.h> |
bd1024b0 | 17 | #include <miiphy.h> |
1221ce45 | 18 | #include <linux/errno.h> |
9751ee09 NI |
19 | #include <asm/io.h> |
20 | ||
21 | #include "sh_eth.h" | |
22 | ||
23 | #ifndef CONFIG_SH_ETHER_USE_PORT | |
24 | # error "Please define CONFIG_SH_ETHER_USE_PORT" | |
25 | #endif | |
26 | #ifndef CONFIG_SH_ETHER_PHY_ADDR | |
27 | # error "Please define CONFIG_SH_ETHER_PHY_ADDR" | |
28 | #endif | |
870cc23f | 29 | |
92f07134 NI |
30 | #if defined(CONFIG_SH_ETHER_CACHE_WRITEBACK) && !defined(CONFIG_SYS_DCACHE_OFF) |
31 | #define flush_cache_wback(addr, len) \ | |
aae5d237 NI |
32 | flush_dcache_range((u32)addr, \ |
33 | (u32)(addr + ALIGN(len, CONFIG_SH_ETHER_ALIGNE_SIZE))) | |
68260aab YS |
34 | #else |
35 | #define flush_cache_wback(...) | |
36 | #endif | |
9751ee09 | 37 | |
92f07134 NI |
38 | #if defined(CONFIG_SH_ETHER_CACHE_INVALIDATE) && defined(CONFIG_ARM) |
39 | #define invalidate_cache(addr, len) \ | |
40 | { \ | |
41 | u32 line_size = CONFIG_SH_ETHER_ALIGNE_SIZE; \ | |
42 | u32 start, end; \ | |
43 | \ | |
44 | start = (u32)addr; \ | |
45 | end = start + len; \ | |
46 | start &= ~(line_size - 1); \ | |
47 | end = ((end + line_size - 1) & ~(line_size - 1)); \ | |
48 | \ | |
49 | invalidate_dcache_range(start, end); \ | |
50 | } | |
51 | #else | |
52 | #define invalidate_cache(...) | |
53 | #endif | |
54 | ||
4ba62c72 NI |
55 | #define TIMEOUT_CNT 1000 |
56 | ||
10cbe3b6 | 57 | int sh_eth_send(struct eth_device *dev, void *packet, int len) |
9751ee09 | 58 | { |
bd3980cc NI |
59 | struct sh_eth_dev *eth = dev->priv; |
60 | int port = eth->port, ret = 0, timeout; | |
61 | struct sh_eth_info *port_info = ð->port_info[port]; | |
9751ee09 NI |
62 | |
63 | if (!packet || len > 0xffff) { | |
bd3980cc NI |
64 | printf(SHETHER_NAME ": %s: Invalid argument\n", __func__); |
65 | ret = -EINVAL; | |
66 | goto err; | |
9751ee09 NI |
67 | } |
68 | ||
69 | /* packet must be a 4 byte boundary */ | |
ee6ec5d4 | 70 | if ((int)packet & 3) { |
dc14867d | 71 | printf(SHETHER_NAME ": %s: packet not 4 byte aligned\n" |
e2752db0 | 72 | , __func__); |
bd3980cc NI |
73 | ret = -EFAULT; |
74 | goto err; | |
9751ee09 NI |
75 | } |
76 | ||
77 | /* Update tx descriptor */ | |
68260aab | 78 | flush_cache_wback(packet, len); |
9751ee09 NI |
79 | port_info->tx_desc_cur->td2 = ADDR_TO_PHY(packet); |
80 | port_info->tx_desc_cur->td1 = len << 16; | |
81 | /* Must preserve the end of descriptor list indication */ | |
82 | if (port_info->tx_desc_cur->td0 & TD_TDLE) | |
83 | port_info->tx_desc_cur->td0 = TD_TACT | TD_TFP | TD_TDLE; | |
84 | else | |
85 | port_info->tx_desc_cur->td0 = TD_TACT | TD_TFP; | |
86 | ||
f7ca1f76 NI |
87 | flush_cache_wback(port_info->tx_desc_cur, sizeof(struct tx_desc_s)); |
88 | ||
9751ee09 | 89 | /* Restart the transmitter if disabled */ |
fbfb5115 NI |
90 | if (!(sh_eth_read(port_info, EDTRR) & EDTRR_TRNS)) |
91 | sh_eth_write(port_info, EDTRR_TRNS, EDTRR); | |
9751ee09 NI |
92 | |
93 | /* Wait until packet is transmitted */ | |
4ba62c72 | 94 | timeout = TIMEOUT_CNT; |
92f07134 NI |
95 | do { |
96 | invalidate_cache(port_info->tx_desc_cur, | |
97 | sizeof(struct tx_desc_s)); | |
9751ee09 | 98 | udelay(100); |
92f07134 | 99 | } while (port_info->tx_desc_cur->td0 & TD_TACT && timeout--); |
9751ee09 NI |
100 | |
101 | if (timeout < 0) { | |
bd3980cc NI |
102 | printf(SHETHER_NAME ": transmit timeout\n"); |
103 | ret = -ETIMEDOUT; | |
9751ee09 NI |
104 | goto err; |
105 | } | |
106 | ||
9751ee09 NI |
107 | port_info->tx_desc_cur++; |
108 | if (port_info->tx_desc_cur >= port_info->tx_desc_base + NUM_TX_DESC) | |
109 | port_info->tx_desc_cur = port_info->tx_desc_base; | |
110 | ||
bd3980cc NI |
111 | err: |
112 | return ret; | |
9751ee09 NI |
113 | } |
114 | ||
bd3980cc | 115 | int sh_eth_recv(struct eth_device *dev) |
9751ee09 | 116 | { |
bd3980cc NI |
117 | struct sh_eth_dev *eth = dev->priv; |
118 | int port = eth->port, len = 0; | |
119 | struct sh_eth_info *port_info = ð->port_info[port]; | |
10cbe3b6 | 120 | uchar *packet; |
9751ee09 NI |
121 | |
122 | /* Check if the rx descriptor is ready */ | |
92f07134 | 123 | invalidate_cache(port_info->rx_desc_cur, sizeof(struct rx_desc_s)); |
9751ee09 NI |
124 | if (!(port_info->rx_desc_cur->rd0 & RD_RACT)) { |
125 | /* Check for errors */ | |
126 | if (!(port_info->rx_desc_cur->rd0 & RD_RFE)) { | |
127 | len = port_info->rx_desc_cur->rd1 & 0xffff; | |
10cbe3b6 JH |
128 | packet = (uchar *) |
129 | ADDR_TO_P2(port_info->rx_desc_cur->rd2); | |
92f07134 | 130 | invalidate_cache(packet, len); |
1fd92db8 | 131 | net_process_received_packet(packet, len); |
9751ee09 NI |
132 | } |
133 | ||
134 | /* Make current descriptor available again */ | |
135 | if (port_info->rx_desc_cur->rd0 & RD_RDLE) | |
136 | port_info->rx_desc_cur->rd0 = RD_RACT | RD_RDLE; | |
137 | else | |
138 | port_info->rx_desc_cur->rd0 = RD_RACT; | |
f7ca1f76 NI |
139 | |
140 | flush_cache_wback(port_info->rx_desc_cur, | |
141 | sizeof(struct rx_desc_s)); | |
142 | ||
9751ee09 NI |
143 | /* Point to the next descriptor */ |
144 | port_info->rx_desc_cur++; | |
145 | if (port_info->rx_desc_cur >= | |
146 | port_info->rx_desc_base + NUM_RX_DESC) | |
147 | port_info->rx_desc_cur = port_info->rx_desc_base; | |
148 | } | |
149 | ||
150 | /* Restart the receiver if disabled */ | |
fbfb5115 NI |
151 | if (!(sh_eth_read(port_info, EDRRR) & EDRRR_R)) |
152 | sh_eth_write(port_info, EDRRR_R, EDRRR); | |
9751ee09 NI |
153 | |
154 | return len; | |
155 | } | |
156 | ||
bd3980cc | 157 | static int sh_eth_reset(struct sh_eth_dev *eth) |
9751ee09 | 158 | { |
fbfb5115 | 159 | struct sh_eth_info *port_info = ð->port_info[eth->port]; |
62cbddc4 | 160 | #if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ) |
bd3980cc | 161 | int ret = 0, i; |
9751ee09 NI |
162 | |
163 | /* Start e-dmac transmitter and receiver */ | |
fbfb5115 | 164 | sh_eth_write(port_info, EDSR_ENALL, EDSR); |
9751ee09 NI |
165 | |
166 | /* Perform a software reset and wait for it to complete */ | |
fbfb5115 | 167 | sh_eth_write(port_info, EDMR_SRST, EDMR); |
e2752db0 | 168 | for (i = 0; i < TIMEOUT_CNT; i++) { |
fbfb5115 | 169 | if (!(sh_eth_read(port_info, EDMR) & EDMR_SRST)) |
9751ee09 NI |
170 | break; |
171 | udelay(1000); | |
172 | } | |
173 | ||
4ba62c72 | 174 | if (i == TIMEOUT_CNT) { |
bd3980cc NI |
175 | printf(SHETHER_NAME ": Software reset timeout\n"); |
176 | ret = -EIO; | |
9751ee09 | 177 | } |
bd3980cc NI |
178 | |
179 | return ret; | |
903de461 | 180 | #else |
fbfb5115 | 181 | sh_eth_write(port_info, sh_eth_read(port_info, EDMR) | EDMR_SRST, EDMR); |
903de461 | 182 | udelay(3000); |
fbfb5115 NI |
183 | sh_eth_write(port_info, |
184 | sh_eth_read(port_info, EDMR) & ~EDMR_SRST, EDMR); | |
903de461 YS |
185 | |
186 | return 0; | |
187 | #endif | |
9751ee09 NI |
188 | } |
189 | ||
bd3980cc | 190 | static int sh_eth_tx_desc_init(struct sh_eth_dev *eth) |
9751ee09 | 191 | { |
bd3980cc | 192 | int port = eth->port, i, ret = 0; |
000889cd | 193 | u32 alloc_desc_size = NUM_TX_DESC * sizeof(struct tx_desc_s); |
bd3980cc | 194 | struct sh_eth_info *port_info = ð->port_info[port]; |
9751ee09 | 195 | struct tx_desc_s *cur_tx_desc; |
9751ee09 | 196 | |
bd3980cc | 197 | /* |
703949e4 NI |
198 | * Allocate rx descriptors. They must be aligned to size of struct |
199 | * tx_desc_s. | |
bd3980cc | 200 | */ |
000889cd NI |
201 | port_info->tx_desc_alloc = |
202 | memalign(sizeof(struct tx_desc_s), alloc_desc_size); | |
203 | if (!port_info->tx_desc_alloc) { | |
204 | printf(SHETHER_NAME ": memalign failed\n"); | |
bd3980cc NI |
205 | ret = -ENOMEM; |
206 | goto err; | |
9751ee09 | 207 | } |
bd3980cc | 208 | |
aae5d237 | 209 | flush_cache_wback(port_info->tx_desc_alloc, alloc_desc_size); |
000889cd | 210 | |
9751ee09 | 211 | /* Make sure we use a P2 address (non-cacheable) */ |
000889cd NI |
212 | port_info->tx_desc_base = |
213 | (struct tx_desc_s *)ADDR_TO_P2((u32)port_info->tx_desc_alloc); | |
9751ee09 NI |
214 | port_info->tx_desc_cur = port_info->tx_desc_base; |
215 | ||
216 | /* Initialize all descriptors */ | |
217 | for (cur_tx_desc = port_info->tx_desc_base, i = 0; i < NUM_TX_DESC; | |
218 | cur_tx_desc++, i++) { | |
219 | cur_tx_desc->td0 = 0x00; | |
220 | cur_tx_desc->td1 = 0x00; | |
221 | cur_tx_desc->td2 = 0x00; | |
222 | } | |
223 | ||
224 | /* Mark the end of the descriptors */ | |
225 | cur_tx_desc--; | |
226 | cur_tx_desc->td0 |= TD_TDLE; | |
227 | ||
dc14867d NI |
228 | /* |
229 | * Point the controller to the tx descriptor list. Must use physical | |
230 | * addresses | |
231 | */ | |
fbfb5115 | 232 | sh_eth_write(port_info, ADDR_TO_PHY(port_info->tx_desc_base), TDLAR); |
62cbddc4 | 233 | #if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ) |
fbfb5115 NI |
234 | sh_eth_write(port_info, ADDR_TO_PHY(port_info->tx_desc_base), TDFAR); |
235 | sh_eth_write(port_info, ADDR_TO_PHY(cur_tx_desc), TDFXR); | |
236 | sh_eth_write(port_info, 0x01, TDFFR);/* Last discriptor bit */ | |
903de461 | 237 | #endif |
9751ee09 | 238 | |
bd3980cc NI |
239 | err: |
240 | return ret; | |
9751ee09 NI |
241 | } |
242 | ||
bd3980cc | 243 | static int sh_eth_rx_desc_init(struct sh_eth_dev *eth) |
9751ee09 | 244 | { |
dc14867d | 245 | int port = eth->port, i, ret = 0; |
000889cd | 246 | u32 alloc_desc_size = NUM_RX_DESC * sizeof(struct rx_desc_s); |
bd3980cc | 247 | struct sh_eth_info *port_info = ð->port_info[port]; |
9751ee09 NI |
248 | struct rx_desc_s *cur_rx_desc; |
249 | u8 *rx_buf; | |
9751ee09 | 250 | |
bd3980cc | 251 | /* |
703949e4 NI |
252 | * Allocate rx descriptors. They must be aligned to size of struct |
253 | * rx_desc_s. | |
bd3980cc | 254 | */ |
000889cd NI |
255 | port_info->rx_desc_alloc = |
256 | memalign(sizeof(struct rx_desc_s), alloc_desc_size); | |
257 | if (!port_info->rx_desc_alloc) { | |
258 | printf(SHETHER_NAME ": memalign failed\n"); | |
bd3980cc NI |
259 | ret = -ENOMEM; |
260 | goto err; | |
9751ee09 | 261 | } |
bd3980cc | 262 | |
000889cd NI |
263 | flush_cache_wback(port_info->rx_desc_alloc, alloc_desc_size); |
264 | ||
9751ee09 | 265 | /* Make sure we use a P2 address (non-cacheable) */ |
000889cd NI |
266 | port_info->rx_desc_base = |
267 | (struct rx_desc_s *)ADDR_TO_P2((u32)port_info->rx_desc_alloc); | |
9751ee09 NI |
268 | |
269 | port_info->rx_desc_cur = port_info->rx_desc_base; | |
270 | ||
bd3980cc | 271 | /* |
000889cd NI |
272 | * Allocate rx data buffers. They must be RX_BUF_ALIGNE_SIZE bytes |
273 | * aligned and in P2 area. | |
bd3980cc | 274 | */ |
000889cd NI |
275 | port_info->rx_buf_alloc = |
276 | memalign(RX_BUF_ALIGNE_SIZE, NUM_RX_DESC * MAX_BUF_SIZE); | |
277 | if (!port_info->rx_buf_alloc) { | |
278 | printf(SHETHER_NAME ": alloc failed\n"); | |
bd3980cc | 279 | ret = -ENOMEM; |
000889cd | 280 | goto err_buf_alloc; |
9751ee09 | 281 | } |
bd3980cc | 282 | |
000889cd | 283 | port_info->rx_buf_base = (u8 *)ADDR_TO_P2((u32)port_info->rx_buf_alloc); |
9751ee09 NI |
284 | |
285 | /* Initialize all descriptors */ | |
286 | for (cur_rx_desc = port_info->rx_desc_base, | |
287 | rx_buf = port_info->rx_buf_base, i = 0; | |
288 | i < NUM_RX_DESC; cur_rx_desc++, rx_buf += MAX_BUF_SIZE, i++) { | |
289 | cur_rx_desc->rd0 = RD_RACT; | |
290 | cur_rx_desc->rd1 = MAX_BUF_SIZE << 16; | |
dc14867d | 291 | cur_rx_desc->rd2 = (u32)ADDR_TO_PHY(rx_buf); |
9751ee09 NI |
292 | } |
293 | ||
294 | /* Mark the end of the descriptors */ | |
295 | cur_rx_desc--; | |
296 | cur_rx_desc->rd0 |= RD_RDLE; | |
297 | ||
298 | /* Point the controller to the rx descriptor list */ | |
fbfb5115 | 299 | sh_eth_write(port_info, ADDR_TO_PHY(port_info->rx_desc_base), RDLAR); |
62cbddc4 | 300 | #if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ) |
fbfb5115 NI |
301 | sh_eth_write(port_info, ADDR_TO_PHY(port_info->rx_desc_base), RDFAR); |
302 | sh_eth_write(port_info, ADDR_TO_PHY(cur_rx_desc), RDFXR); | |
303 | sh_eth_write(port_info, RDFFR_RDLF, RDFFR); | |
903de461 | 304 | #endif |
9751ee09 | 305 | |
bd3980cc NI |
306 | return ret; |
307 | ||
000889cd NI |
308 | err_buf_alloc: |
309 | free(port_info->rx_desc_alloc); | |
310 | port_info->rx_desc_alloc = NULL; | |
bd3980cc NI |
311 | |
312 | err: | |
313 | return ret; | |
9751ee09 NI |
314 | } |
315 | ||
bd3980cc | 316 | static void sh_eth_tx_desc_free(struct sh_eth_dev *eth) |
9751ee09 | 317 | { |
bd3980cc NI |
318 | int port = eth->port; |
319 | struct sh_eth_info *port_info = ð->port_info[port]; | |
9751ee09 | 320 | |
000889cd NI |
321 | if (port_info->tx_desc_alloc) { |
322 | free(port_info->tx_desc_alloc); | |
323 | port_info->tx_desc_alloc = NULL; | |
9751ee09 | 324 | } |
bd3980cc NI |
325 | } |
326 | ||
327 | static void sh_eth_rx_desc_free(struct sh_eth_dev *eth) | |
328 | { | |
329 | int port = eth->port; | |
330 | struct sh_eth_info *port_info = ð->port_info[port]; | |
9751ee09 | 331 | |
000889cd NI |
332 | if (port_info->rx_desc_alloc) { |
333 | free(port_info->rx_desc_alloc); | |
334 | port_info->rx_desc_alloc = NULL; | |
9751ee09 NI |
335 | } |
336 | ||
000889cd NI |
337 | if (port_info->rx_buf_alloc) { |
338 | free(port_info->rx_buf_alloc); | |
339 | port_info->rx_buf_alloc = NULL; | |
9751ee09 NI |
340 | } |
341 | } | |
342 | ||
bd3980cc | 343 | static int sh_eth_desc_init(struct sh_eth_dev *eth) |
9751ee09 | 344 | { |
bd3980cc | 345 | int ret = 0; |
9751ee09 | 346 | |
bd3980cc NI |
347 | ret = sh_eth_tx_desc_init(eth); |
348 | if (ret) | |
349 | goto err_tx_init; | |
9751ee09 | 350 | |
bd3980cc NI |
351 | ret = sh_eth_rx_desc_init(eth); |
352 | if (ret) | |
353 | goto err_rx_init; | |
354 | ||
355 | return ret; | |
356 | err_rx_init: | |
357 | sh_eth_tx_desc_free(eth); | |
358 | ||
359 | err_tx_init: | |
360 | return ret; | |
9751ee09 NI |
361 | } |
362 | ||
bd3980cc | 363 | static int sh_eth_phy_config(struct sh_eth_dev *eth) |
9751ee09 | 364 | { |
bd1024b0 | 365 | int port = eth->port, ret = 0; |
bd3980cc | 366 | struct sh_eth_info *port_info = ð->port_info[port]; |
bd1024b0 YS |
367 | struct eth_device *dev = port_info->dev; |
368 | struct phy_device *phydev; | |
9751ee09 | 369 | |
ee6ec5d4 NI |
370 | phydev = phy_connect( |
371 | miiphy_get_dev_by_name(dev->name), | |
4398d559 | 372 | port_info->phy_addr, dev, CONFIG_SH_ETHER_PHY_MODE); |
bd1024b0 YS |
373 | port_info->phydev = phydev; |
374 | phy_config(phydev); | |
bd3980cc | 375 | |
bd3980cc | 376 | return ret; |
9751ee09 NI |
377 | } |
378 | ||
9b5f9ecf | 379 | static int sh_eth_config(struct sh_eth_dev *eth) |
9751ee09 | 380 | { |
bd3980cc | 381 | int port = eth->port, ret = 0; |
bd1024b0 | 382 | u32 val; |
bd3980cc | 383 | struct sh_eth_info *port_info = ð->port_info[port]; |
c527ce92 | 384 | struct eth_device *dev = port_info->dev; |
bd1024b0 | 385 | struct phy_device *phy; |
9751ee09 NI |
386 | |
387 | /* Configure e-dmac registers */ | |
fbfb5115 | 388 | sh_eth_write(port_info, (sh_eth_read(port_info, EDMR) & ~EMDR_DESC_R) | |
f8b7507d NI |
389 | (EMDR_DESC | EDMR_EL), EDMR); |
390 | ||
fbfb5115 NI |
391 | sh_eth_write(port_info, 0, EESIPR); |
392 | sh_eth_write(port_info, 0, TRSCER); | |
393 | sh_eth_write(port_info, 0, TFTR); | |
394 | sh_eth_write(port_info, (FIFO_SIZE_T | FIFO_SIZE_R), FDR); | |
395 | sh_eth_write(port_info, RMCR_RST, RMCR); | |
62cbddc4 | 396 | #if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ) |
fbfb5115 | 397 | sh_eth_write(port_info, 0, RPADIR); |
903de461 | 398 | #endif |
fbfb5115 | 399 | sh_eth_write(port_info, (FIFO_F_D_RFF | FIFO_F_D_RFD), FCFTR); |
9751ee09 NI |
400 | |
401 | /* Configure e-mac registers */ | |
fbfb5115 | 402 | sh_eth_write(port_info, 0, ECSIPR); |
9751ee09 NI |
403 | |
404 | /* Set Mac address */ | |
c527ce92 MF |
405 | val = dev->enetaddr[0] << 24 | dev->enetaddr[1] << 16 | |
406 | dev->enetaddr[2] << 8 | dev->enetaddr[3]; | |
fbfb5115 | 407 | sh_eth_write(port_info, val, MAHR); |
9751ee09 | 408 | |
c527ce92 | 409 | val = dev->enetaddr[4] << 8 | dev->enetaddr[5]; |
fbfb5115 | 410 | sh_eth_write(port_info, val, MALR); |
9751ee09 | 411 | |
fbfb5115 | 412 | sh_eth_write(port_info, RFLR_RFL_MIN, RFLR); |
26235093 | 413 | #if defined(SH_ETH_TYPE_GETHER) |
fbfb5115 | 414 | sh_eth_write(port_info, 0, PIPR); |
62cbddc4 NI |
415 | #endif |
416 | #if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ) | |
fbfb5115 NI |
417 | sh_eth_write(port_info, APR_AP, APR); |
418 | sh_eth_write(port_info, MPR_MP, MPR); | |
419 | sh_eth_write(port_info, TPAUSER_TPAUSE, TPAUSER); | |
903de461 | 420 | #endif |
3bb4cc31 | 421 | |
dcd5a593 | 422 | #if defined(CONFIG_CPU_SH7734) || defined(CONFIG_R8A7740) |
fbfb5115 | 423 | sh_eth_write(port_info, CONFIG_SH_ETHER_SH7734_MII, RMII_MII); |
effb7902 | 424 | #elif defined(CONFIG_RCAR_GEN2) |
fbfb5115 | 425 | sh_eth_write(port_info, sh_eth_read(port_info, RMIIMR) | 0x1, RMIIMR); |
4398d559 | 426 | #endif |
9751ee09 | 427 | /* Configure phy */ |
bd3980cc NI |
428 | ret = sh_eth_phy_config(eth); |
429 | if (ret) { | |
88a4c2e7 | 430 | printf(SHETHER_NAME ": phy config timeout\n"); |
bd3980cc NI |
431 | goto err_phy_cfg; |
432 | } | |
bd1024b0 | 433 | phy = port_info->phydev; |
11af8d65 TT |
434 | ret = phy_startup(phy); |
435 | if (ret) { | |
436 | printf(SHETHER_NAME ": phy startup failure\n"); | |
437 | return ret; | |
438 | } | |
9751ee09 | 439 | |
3bb4cc31 NI |
440 | val = 0; |
441 | ||
9751ee09 | 442 | /* Set the transfer speed */ |
bd1024b0 | 443 | if (phy->speed == 100) { |
bd3980cc | 444 | printf(SHETHER_NAME ": 100Base/"); |
26235093 | 445 | #if defined(SH_ETH_TYPE_GETHER) |
fbfb5115 | 446 | sh_eth_write(port_info, GECMR_100B, GECMR); |
e3bb3254 | 447 | #elif defined(CONFIG_CPU_SH7757) || defined(CONFIG_CPU_SH7752) |
fbfb5115 | 448 | sh_eth_write(port_info, 1, RTRATE); |
effb7902 | 449 | #elif defined(CONFIG_CPU_SH7724) || defined(CONFIG_RCAR_GEN2) |
3bb4cc31 NI |
450 | val = ECMR_RTM; |
451 | #endif | |
bd1024b0 | 452 | } else if (phy->speed == 10) { |
bd3980cc | 453 | printf(SHETHER_NAME ": 10Base/"); |
26235093 | 454 | #if defined(SH_ETH_TYPE_GETHER) |
fbfb5115 | 455 | sh_eth_write(port_info, GECMR_10B, GECMR); |
e3bb3254 | 456 | #elif defined(CONFIG_CPU_SH7757) || defined(CONFIG_CPU_SH7752) |
fbfb5115 | 457 | sh_eth_write(port_info, 0, RTRATE); |
903de461 | 458 | #endif |
3bb4cc31 | 459 | } |
26235093 | 460 | #if defined(SH_ETH_TYPE_GETHER) |
4398d559 NI |
461 | else if (phy->speed == 1000) { |
462 | printf(SHETHER_NAME ": 1000Base/"); | |
fbfb5115 | 463 | sh_eth_write(port_info, GECMR_1000B, GECMR); |
4398d559 NI |
464 | } |
465 | #endif | |
9751ee09 NI |
466 | |
467 | /* Check if full duplex mode is supported by the phy */ | |
bd1024b0 | 468 | if (phy->duplex) { |
9751ee09 | 469 | printf("Full\n"); |
fbfb5115 | 470 | sh_eth_write(port_info, |
dc14867d | 471 | val | (ECMR_CHG_DM | ECMR_RE | ECMR_TE | ECMR_DM), |
49afb8ca | 472 | ECMR); |
9751ee09 NI |
473 | } else { |
474 | printf("Half\n"); | |
fbfb5115 | 475 | sh_eth_write(port_info, |
dc14867d NI |
476 | val | (ECMR_CHG_DM | ECMR_RE | ECMR_TE), |
477 | ECMR); | |
9751ee09 | 478 | } |
bd3980cc NI |
479 | |
480 | return ret; | |
481 | ||
482 | err_phy_cfg: | |
483 | return ret; | |
9751ee09 NI |
484 | } |
485 | ||
bd3980cc | 486 | static void sh_eth_start(struct sh_eth_dev *eth) |
9751ee09 | 487 | { |
fbfb5115 NI |
488 | struct sh_eth_info *port_info = ð->port_info[eth->port]; |
489 | ||
9751ee09 NI |
490 | /* |
491 | * Enable the e-dmac receiver only. The transmitter will be enabled when | |
492 | * we have something to transmit | |
493 | */ | |
fbfb5115 | 494 | sh_eth_write(port_info, EDRRR_R, EDRRR); |
bd3980cc | 495 | } |
9751ee09 | 496 | |
bd3980cc NI |
497 | static void sh_eth_stop(struct sh_eth_dev *eth) |
498 | { | |
fbfb5115 NI |
499 | struct sh_eth_info *port_info = ð->port_info[eth->port]; |
500 | ||
501 | sh_eth_write(port_info, ~EDRRR_R, EDRRR); | |
9751ee09 NI |
502 | } |
503 | ||
bd3980cc | 504 | int sh_eth_init(struct eth_device *dev, bd_t *bd) |
9751ee09 | 505 | { |
bd3980cc NI |
506 | int ret = 0; |
507 | struct sh_eth_dev *eth = dev->priv; | |
9751ee09 | 508 | |
bd3980cc NI |
509 | ret = sh_eth_reset(eth); |
510 | if (ret) | |
511 | goto err; | |
9751ee09 | 512 | |
bd3980cc NI |
513 | ret = sh_eth_desc_init(eth); |
514 | if (ret) | |
515 | goto err; | |
9751ee09 | 516 | |
9b5f9ecf | 517 | ret = sh_eth_config(eth); |
bd3980cc NI |
518 | if (ret) |
519 | goto err_config; | |
520 | ||
521 | sh_eth_start(eth); | |
522 | ||
523 | return ret; | |
9751ee09 | 524 | |
bd3980cc NI |
525 | err_config: |
526 | sh_eth_tx_desc_free(eth); | |
527 | sh_eth_rx_desc_free(eth); | |
528 | ||
529 | err: | |
530 | return ret; | |
531 | } | |
532 | ||
533 | void sh_eth_halt(struct eth_device *dev) | |
534 | { | |
535 | struct sh_eth_dev *eth = dev->priv; | |
dc14867d | 536 | |
bd3980cc NI |
537 | sh_eth_stop(eth); |
538 | } | |
539 | ||
540 | int sh_eth_initialize(bd_t *bd) | |
541 | { | |
e2752db0 | 542 | int ret = 0; |
bd3980cc | 543 | struct sh_eth_dev *eth = NULL; |
e2752db0 | 544 | struct eth_device *dev = NULL; |
dc14867d | 545 | struct mii_dev *mdiodev; |
bd3980cc | 546 | |
e2752db0 | 547 | eth = (struct sh_eth_dev *)malloc(sizeof(struct sh_eth_dev)); |
bd3980cc NI |
548 | if (!eth) { |
549 | printf(SHETHER_NAME ": %s: malloc failed\n", __func__); | |
550 | ret = -ENOMEM; | |
9751ee09 | 551 | goto err; |
bd3980cc | 552 | } |
9751ee09 | 553 | |
e2752db0 | 554 | dev = (struct eth_device *)malloc(sizeof(struct eth_device)); |
bd3980cc NI |
555 | if (!dev) { |
556 | printf(SHETHER_NAME ": %s: malloc failed\n", __func__); | |
557 | ret = -ENOMEM; | |
558 | goto err; | |
559 | } | |
e2752db0 NI |
560 | memset(dev, 0, sizeof(struct eth_device)); |
561 | memset(eth, 0, sizeof(struct sh_eth_dev)); | |
9751ee09 | 562 | |
bd3980cc NI |
563 | eth->port = CONFIG_SH_ETHER_USE_PORT; |
564 | eth->port_info[eth->port].phy_addr = CONFIG_SH_ETHER_PHY_ADDR; | |
fbfb5115 NI |
565 | eth->port_info[eth->port].iobase = |
566 | (void __iomem *)(BASE_IO_ADDR + 0x800 * eth->port); | |
bd3980cc | 567 | |
e2752db0 NI |
568 | dev->priv = (void *)eth; |
569 | dev->iobase = 0; | |
570 | dev->init = sh_eth_init; | |
571 | dev->halt = sh_eth_halt; | |
572 | dev->send = sh_eth_send; | |
573 | dev->recv = sh_eth_recv; | |
574 | eth->port_info[eth->port].dev = dev; | |
bd3980cc | 575 | |
192bc694 | 576 | strcpy(dev->name, SHETHER_NAME); |
bd3980cc | 577 | |
e2752db0 NI |
578 | /* Register Device to EtherNet subsystem */ |
579 | eth_register(dev); | |
bd3980cc | 580 | |
bd1024b0 | 581 | bb_miiphy_buses[0].priv = eth; |
dc14867d | 582 | mdiodev = mdio_alloc(); |
5a49f174 JH |
583 | if (!mdiodev) |
584 | return -ENOMEM; | |
585 | strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN); | |
586 | mdiodev->read = bb_miiphy_read; | |
587 | mdiodev->write = bb_miiphy_write; | |
588 | ||
dc14867d NI |
589 | ret = mdio_register(mdiodev); |
590 | if (ret < 0) | |
591 | return ret; | |
bd1024b0 | 592 | |
35affd7a | 593 | if (!eth_env_get_enetaddr("ethaddr", dev->enetaddr)) |
c527ce92 | 594 | puts("Please set MAC address\n"); |
bd3980cc NI |
595 | |
596 | return ret; | |
9751ee09 | 597 | |
9751ee09 | 598 | err: |
bd3980cc NI |
599 | if (dev) |
600 | free(dev); | |
601 | ||
602 | if (eth) | |
603 | free(eth); | |
604 | ||
605 | printf(SHETHER_NAME ": Failed\n"); | |
606 | return ret; | |
9751ee09 | 607 | } |
bd1024b0 YS |
608 | |
609 | /******* for bb_miiphy *******/ | |
610 | static int sh_eth_bb_init(struct bb_miiphy_bus *bus) | |
611 | { | |
612 | return 0; | |
613 | } | |
614 | ||
615 | static int sh_eth_bb_mdio_active(struct bb_miiphy_bus *bus) | |
616 | { | |
617 | struct sh_eth_dev *eth = bus->priv; | |
fbfb5115 | 618 | struct sh_eth_info *port_info = ð->port_info[eth->port]; |
bd1024b0 | 619 | |
fbfb5115 | 620 | sh_eth_write(port_info, sh_eth_read(port_info, PIR) | PIR_MMD, PIR); |
bd1024b0 YS |
621 | |
622 | return 0; | |
623 | } | |
624 | ||
625 | static int sh_eth_bb_mdio_tristate(struct bb_miiphy_bus *bus) | |
626 | { | |
627 | struct sh_eth_dev *eth = bus->priv; | |
fbfb5115 | 628 | struct sh_eth_info *port_info = ð->port_info[eth->port]; |
bd1024b0 | 629 | |
fbfb5115 | 630 | sh_eth_write(port_info, sh_eth_read(port_info, PIR) & ~PIR_MMD, PIR); |
bd1024b0 YS |
631 | |
632 | return 0; | |
633 | } | |
634 | ||
635 | static int sh_eth_bb_set_mdio(struct bb_miiphy_bus *bus, int v) | |
636 | { | |
637 | struct sh_eth_dev *eth = bus->priv; | |
fbfb5115 | 638 | struct sh_eth_info *port_info = ð->port_info[eth->port]; |
bd1024b0 YS |
639 | |
640 | if (v) | |
fbfb5115 NI |
641 | sh_eth_write(port_info, |
642 | sh_eth_read(port_info, PIR) | PIR_MDO, PIR); | |
bd1024b0 | 643 | else |
fbfb5115 NI |
644 | sh_eth_write(port_info, |
645 | sh_eth_read(port_info, PIR) & ~PIR_MDO, PIR); | |
bd1024b0 YS |
646 | |
647 | return 0; | |
648 | } | |
649 | ||
650 | static int sh_eth_bb_get_mdio(struct bb_miiphy_bus *bus, int *v) | |
651 | { | |
652 | struct sh_eth_dev *eth = bus->priv; | |
fbfb5115 | 653 | struct sh_eth_info *port_info = ð->port_info[eth->port]; |
bd1024b0 | 654 | |
fbfb5115 | 655 | *v = (sh_eth_read(port_info, PIR) & PIR_MDI) >> 3; |
bd1024b0 YS |
656 | |
657 | return 0; | |
658 | } | |
659 | ||
660 | static int sh_eth_bb_set_mdc(struct bb_miiphy_bus *bus, int v) | |
661 | { | |
662 | struct sh_eth_dev *eth = bus->priv; | |
fbfb5115 | 663 | struct sh_eth_info *port_info = ð->port_info[eth->port]; |
bd1024b0 YS |
664 | |
665 | if (v) | |
fbfb5115 NI |
666 | sh_eth_write(port_info, |
667 | sh_eth_read(port_info, PIR) | PIR_MDC, PIR); | |
bd1024b0 | 668 | else |
fbfb5115 NI |
669 | sh_eth_write(port_info, |
670 | sh_eth_read(port_info, PIR) & ~PIR_MDC, PIR); | |
bd1024b0 YS |
671 | |
672 | return 0; | |
673 | } | |
674 | ||
675 | static int sh_eth_bb_delay(struct bb_miiphy_bus *bus) | |
676 | { | |
677 | udelay(10); | |
678 | ||
679 | return 0; | |
680 | } | |
681 | ||
682 | struct bb_miiphy_bus bb_miiphy_buses[] = { | |
683 | { | |
684 | .name = "sh_eth", | |
685 | .init = sh_eth_bb_init, | |
686 | .mdio_active = sh_eth_bb_mdio_active, | |
687 | .mdio_tristate = sh_eth_bb_mdio_tristate, | |
688 | .set_mdio = sh_eth_bb_set_mdio, | |
689 | .get_mdio = sh_eth_bb_get_mdio, | |
690 | .set_mdc = sh_eth_bb_set_mdc, | |
691 | .delay = sh_eth_bb_delay, | |
692 | } | |
693 | }; | |
dc14867d | 694 | |
bd1024b0 | 695 | int bb_miiphy_buses_num = ARRAY_SIZE(bb_miiphy_buses); |