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Convert cmd_usage() calls in common to use a return value
[people/ms/u-boot.git] / common / cmd_mmc.c
CommitLineData
71f95118
WD
1/*
2 * (C) Copyright 2003
3 * Kyle Harris, kharris@nexus-tech.net
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
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.
17 *
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., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <command.h>
71f95118
WD
26#include <mmc.h>
27
02e22c2d 28static int curr_device = -1;
ea6ebe21 29#ifndef CONFIG_GENERIC_MMC
54841ab5 30int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
71f95118 31{
869f6bf4
MK
32 int dev;
33
47e26b1b 34 if (argc < 2)
4c12eeb8 35 return CMD_RET_USAGE;
869f6bf4
MK
36
37 if (strcmp(argv[1], "init") == 0) {
38 if (argc == 2) {
39 if (curr_device < 0)
40 dev = 1;
41 else
42 dev = curr_device;
43 } else if (argc == 3) {
44 dev = (int)simple_strtoul(argv[2], NULL, 10);
45 } else {
4c12eeb8 46 return CMD_RET_USAGE;
869f6bf4
MK
47 }
48
49 if (mmc_legacy_init(dev) != 0) {
50 puts("No MMC card found\n");
51 return 1;
52 }
53
54 curr_device = dev;
55 printf("mmc%d is available\n", curr_device);
56 } else if (strcmp(argv[1], "device") == 0) {
57 if (argc == 2) {
58 if (curr_device < 0) {
59 puts("No MMC device available\n");
60 return 1;
61 }
62 } else if (argc == 3) {
63 dev = (int)simple_strtoul(argv[2], NULL, 10);
64
65#ifdef CONFIG_SYS_MMC_SET_DEV
66 if (mmc_set_dev(dev) != 0)
67 return 1;
68#endif
69 curr_device = dev;
70 } else {
4c12eeb8 71 return CMD_RET_USAGE;
869f6bf4
MK
72 }
73
74 printf("mmc%d is current device\n", curr_device);
75 } else {
4c12eeb8 76 return CMD_RET_USAGE;
71f95118 77 }
869f6bf4 78
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WD
79 return 0;
80}
81
0d498393 82U_BOOT_CMD(
869f6bf4
MK
83 mmc, 3, 1, do_mmc,
84 "MMC sub-system",
85 "init [dev] - init MMC sub system\n"
a89c33db 86 "mmc device [dev] - show or set current device"
b0fce99b 87);
3511b4e2 88#else /* !CONFIG_GENERIC_MMC */
272cc70b 89
6be95ccf
LW
90enum mmc_state {
91 MMC_INVALID,
92 MMC_READ,
93 MMC_WRITE,
e6f99a56 94 MMC_ERASE,
6be95ccf 95};
272cc70b
AF
96static void print_mmcinfo(struct mmc *mmc)
97{
98 printf("Device: %s\n", mmc->name);
99 printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
100 printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
101 printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
102 (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
103 (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
104
105 printf("Tran Speed: %d\n", mmc->tran_speed);
106 printf("Rd Block Len: %d\n", mmc->read_bl_len);
107
108 printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
109 (mmc->version >> 4) & 0xf, mmc->version & 0xf);
110
111 printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
940e0782
MK
112 puts("Capacity: ");
113 print_size(mmc->capacity, "\n");
272cc70b
AF
114
115 printf("Bus Width: %d-bit\n", mmc->bus_width);
116}
117
54841ab5 118int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
272cc70b
AF
119{
120 struct mmc *mmc;
272cc70b 121
ea6ebe21
LW
122 if (curr_device < 0) {
123 if (get_mmc_num() > 0)
124 curr_device = 0;
125 else {
126 puts("No MMC device available\n");
127 return 1;
128 }
129 }
272cc70b 130
ea6ebe21 131 mmc = find_mmc_device(curr_device);
272cc70b
AF
132
133 if (mmc) {
134 mmc_init(mmc);
135
136 print_mmcinfo(mmc);
ea6ebe21
LW
137 return 0;
138 } else {
139 printf("no mmc device at slot %x\n", curr_device);
140 return 1;
272cc70b 141 }
272cc70b
AF
142}
143
388a29d0 144U_BOOT_CMD(
ea6ebe21 145 mmcinfo, 1, 0, do_mmcinfo,
cc9f607b 146 "display MMC info",
2d941de9 147 " - device number of the device to dislay info of\n"
a89c33db
WD
148 ""
149);
272cc70b 150
54841ab5 151int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
272cc70b 152{
6be95ccf
LW
153 enum mmc_state state;
154
ea6ebe21 155 if (argc < 2)
4c12eeb8 156 return CMD_RET_USAGE;
272cc70b 157
ea6ebe21
LW
158 if (curr_device < 0) {
159 if (get_mmc_num() > 0)
160 curr_device = 0;
161 else {
162 puts("No MMC device available\n");
163 return 1;
164 }
165 }
272cc70b 166
ea6ebe21
LW
167 if (strcmp(argv[1], "rescan") == 0) {
168 struct mmc *mmc = find_mmc_device(curr_device);
e85649c7 169
ea6ebe21
LW
170 if (!mmc) {
171 printf("no mmc device at slot %x\n", curr_device);
172 return 1;
173 }
174
bc897b1d 175 mmc->has_init = 0;
272cc70b 176
8fd01b8f
MJ
177 if (mmc_init(mmc))
178 return 1;
179 else
180 return 0;
ea6ebe21
LW
181 } else if (strncmp(argv[1], "part", 4) == 0) {
182 block_dev_desc_t *mmc_dev;
183 struct mmc *mmc = find_mmc_device(curr_device);
184
185 if (!mmc) {
186 printf("no mmc device at slot %x\n", curr_device);
187 return 1;
188 }
189 mmc_init(mmc);
190 mmc_dev = mmc_get_dev(curr_device);
191 if (mmc_dev != NULL &&
192 mmc_dev->type != DEV_TYPE_UNKNOWN) {
193 print_part(mmc_dev);
272cc70b 194 return 0;
ea6ebe21 195 }
8f3b9642 196
ea6ebe21
LW
197 puts("get mmc type error!\n");
198 return 1;
199 } else if (strcmp(argv[1], "list") == 0) {
200 print_mmc_devices('\n');
201 return 0;
202 } else if (strcmp(argv[1], "dev") == 0) {
bc897b1d 203 int dev, part = -1;
ea6ebe21
LW
204 struct mmc *mmc;
205
206 if (argc == 2)
207 dev = curr_device;
208 else if (argc == 3)
209 dev = simple_strtoul(argv[2], NULL, 10);
bc897b1d
LW
210 else if (argc == 4) {
211 dev = (int)simple_strtoul(argv[2], NULL, 10);
212 part = (int)simple_strtoul(argv[3], NULL, 10);
213 if (part > PART_ACCESS_MASK) {
214 printf("#part_num shouldn't be larger"
215 " than %d\n", PART_ACCESS_MASK);
216 return 1;
217 }
218 } else
4c12eeb8 219 return CMD_RET_USAGE;
8f3b9642 220
ea6ebe21
LW
221 mmc = find_mmc_device(dev);
222 if (!mmc) {
223 printf("no mmc device at slot %x\n", dev);
8f3b9642 224 return 1;
272cc70b
AF
225 }
226
bc897b1d
LW
227 mmc_init(mmc);
228 if (part != -1) {
229 int ret;
230 if (mmc->part_config == MMCPART_NOAVAILABLE) {
231 printf("Card doesn't support part_switch\n");
232 return 1;
233 }
234
235 if (part != mmc->part_num) {
236 ret = mmc_switch_part(dev, part);
237 if (!ret)
238 mmc->part_num = part;
239
240 printf("switch to partions #%d, %s\n",
241 part, (!ret) ? "OK" : "ERROR");
242 }
243 }
ea6ebe21 244 curr_device = dev;
bc897b1d
LW
245 if (mmc->part_config == MMCPART_NOAVAILABLE)
246 printf("mmc%d is current device\n", curr_device);
247 else
248 printf("mmc%d(part %d) is current device\n",
249 curr_device, mmc->part_num);
272cc70b 250
ea6ebe21 251 return 0;
6be95ccf 252 }
272cc70b 253
6be95ccf
LW
254 if (strcmp(argv[1], "read") == 0)
255 state = MMC_READ;
256 else if (strcmp(argv[1], "write") == 0)
257 state = MMC_WRITE;
e6f99a56
LW
258 else if (strcmp(argv[1], "erase") == 0)
259 state = MMC_ERASE;
6be95ccf
LW
260 else
261 state = MMC_INVALID;
272cc70b 262
6be95ccf
LW
263 if (state != MMC_INVALID) {
264 struct mmc *mmc = find_mmc_device(curr_device);
e6f99a56
LW
265 int idx = 2;
266 u32 blk, cnt, n;
267 void *addr;
268
269 if (state != MMC_ERASE) {
270 addr = (void *)simple_strtoul(argv[idx], NULL, 16);
271 ++idx;
272 } else
273 addr = 0;
274 blk = simple_strtoul(argv[idx], NULL, 16);
275 cnt = simple_strtoul(argv[idx + 1], NULL, 16);
272cc70b 276
ea6ebe21
LW
277 if (!mmc) {
278 printf("no mmc device at slot %x\n", curr_device);
279 return 1;
280 }
e85649c7 281
6be95ccf
LW
282 printf("\nMMC %s: dev # %d, block # %d, count %d ... ",
283 argv[1], curr_device, blk, cnt);
272cc70b 284
ea6ebe21 285 mmc_init(mmc);
272cc70b 286
6be95ccf
LW
287 switch (state) {
288 case MMC_READ:
289 n = mmc->block_dev.block_read(curr_device, blk,
290 cnt, addr);
291 /* flush cache after read */
292 flush_cache((ulong)addr, cnt * 512); /* FIXME */
293 break;
294 case MMC_WRITE:
295 n = mmc->block_dev.block_write(curr_device, blk,
296 cnt, addr);
297 break;
e6f99a56
LW
298 case MMC_ERASE:
299 n = mmc->block_dev.block_erase(curr_device, blk, cnt);
300 break;
6be95ccf
LW
301 default:
302 BUG();
303 }
272cc70b 304
6be95ccf
LW
305 printf("%d blocks %s: %s\n",
306 n, argv[1], (n == cnt) ? "OK" : "ERROR");
ea6ebe21 307 return (n == cnt) ? 0 : 1;
272cc70b 308 }
ea6ebe21 309
4c12eeb8 310 return CMD_RET_USAGE;
272cc70b
AF
311}
312
313U_BOOT_CMD(
314 mmc, 6, 1, do_mmcops,
852dbfdd 315 "MMC sub system",
ea6ebe21
LW
316 "read addr blk# cnt\n"
317 "mmc write addr blk# cnt\n"
e6f99a56 318 "mmc erase blk# cnt\n"
ea6ebe21
LW
319 "mmc rescan\n"
320 "mmc part - lists available partition on current mmc device\n"
bc897b1d 321 "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
a89c33db 322 "mmc list - lists available devices");
3511b4e2 323#endif