]>
git.ipfire.org Git - people/ms/u-boot.git/blob - common/cmd_mmc.c
3 * Kyle Harris, kharris@nexus-tech.net
5 * See file CREDITS for list of people who contributed to this
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.
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., 59 Temple Place, Suite 330, Boston,
28 static int curr_device
= -1;
29 #ifndef CONFIG_GENERIC_MMC
30 int do_mmc (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
37 if (strcmp(argv
[1], "init") == 0) {
43 } else if (argc
== 3) {
44 dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
49 if (mmc_legacy_init(dev
) != 0) {
50 puts("No MMC card found\n");
55 printf("mmc%d is available\n", curr_device
);
56 } else if (strcmp(argv
[1], "device") == 0) {
58 if (curr_device
< 0) {
59 puts("No MMC device available\n");
62 } else if (argc
== 3) {
63 dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
65 #ifdef CONFIG_SYS_MMC_SET_DEV
66 if (mmc_set_dev(dev
) != 0)
74 printf("mmc%d is current device\n", curr_device
);
85 "init [dev] - init MMC sub system\n"
86 "mmc device [dev] - show or set current device"
88 #else /* !CONFIG_GENERIC_MMC */
96 static void print_mmcinfo(struct mmc
*mmc
)
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);
105 printf("Tran Speed: %d\n", mmc
->tran_speed
);
106 printf("Rd Block Len: %d\n", mmc
->read_bl_len
);
108 printf("%s version %d.%d\n", IS_SD(mmc
) ? "SD" : "MMC",
109 (mmc
->version
>> 4) & 0xf, mmc
->version
& 0xf);
111 printf("High Capacity: %s\n", mmc
->high_capacity
? "Yes" : "No");
113 print_size(mmc
->capacity
, "\n");
115 printf("Bus Width: %d-bit\n", mmc
->bus_width
);
118 static int do_mmcinfo(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
122 if (curr_device
< 0) {
123 if (get_mmc_num() > 0)
126 puts("No MMC device available\n");
131 mmc
= find_mmc_device(curr_device
);
139 printf("no mmc device at slot %x\n", curr_device
);
145 mmcinfo
, 1, 0, do_mmcinfo
,
147 "- display info of the current MMC device"
150 static int do_mmcops(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
152 enum mmc_state state
;
155 return CMD_RET_USAGE
;
157 if (curr_device
< 0) {
158 if (get_mmc_num() > 0)
161 puts("No MMC device available\n");
166 if (strcmp(argv
[1], "rescan") == 0) {
167 struct mmc
*mmc
= find_mmc_device(curr_device
);
170 printf("no mmc device at slot %x\n", curr_device
);
180 } else if (strncmp(argv
[1], "part", 4) == 0) {
181 block_dev_desc_t
*mmc_dev
;
182 struct mmc
*mmc
= find_mmc_device(curr_device
);
185 printf("no mmc device at slot %x\n", curr_device
);
189 mmc_dev
= mmc_get_dev(curr_device
);
190 if (mmc_dev
!= NULL
&&
191 mmc_dev
->type
!= DEV_TYPE_UNKNOWN
) {
196 puts("get mmc type error!\n");
198 } else if (strcmp(argv
[1], "list") == 0) {
199 print_mmc_devices('\n');
201 } else if (strcmp(argv
[1], "dev") == 0) {
208 dev
= simple_strtoul(argv
[2], NULL
, 10);
209 else if (argc
== 4) {
210 dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
211 part
= (int)simple_strtoul(argv
[3], NULL
, 10);
212 if (part
> PART_ACCESS_MASK
) {
213 printf("#part_num shouldn't be larger"
214 " than %d\n", PART_ACCESS_MASK
);
218 return CMD_RET_USAGE
;
220 mmc
= find_mmc_device(dev
);
222 printf("no mmc device at slot %x\n", dev
);
229 if (mmc
->part_config
== MMCPART_NOAVAILABLE
) {
230 printf("Card doesn't support part_switch\n");
234 if (part
!= mmc
->part_num
) {
235 ret
= mmc_switch_part(dev
, part
);
237 mmc
->part_num
= part
;
239 printf("switch to partions #%d, %s\n",
240 part
, (!ret
) ? "OK" : "ERROR");
244 if (mmc
->part_config
== MMCPART_NOAVAILABLE
)
245 printf("mmc%d is current device\n", curr_device
);
247 printf("mmc%d(part %d) is current device\n",
248 curr_device
, mmc
->part_num
);
254 if (argc
== 5 && strcmp(argv
[1], "read") == 0)
256 else if (argc
== 5 && strcmp(argv
[1], "write") == 0)
258 else if (argc
== 4 && strcmp(argv
[1], "erase") == 0)
261 if (state
!= MMC_INVALID
) {
262 struct mmc
*mmc
= find_mmc_device(curr_device
);
267 if (state
!= MMC_ERASE
) {
268 addr
= (void *)simple_strtoul(argv
[idx
], NULL
, 16);
272 blk
= simple_strtoul(argv
[idx
], NULL
, 16);
273 cnt
= simple_strtoul(argv
[idx
+ 1], NULL
, 16);
276 printf("no mmc device at slot %x\n", curr_device
);
280 printf("\nMMC %s: dev # %d, block # %d, count %d ... ",
281 argv
[1], curr_device
, blk
, cnt
);
285 if ((state
== MMC_WRITE
|| state
== MMC_ERASE
)) {
286 if (mmc_getwp(mmc
) == 1) {
287 printf("Error: card is write protected!\n");
294 n
= mmc
->block_dev
.block_read(curr_device
, blk
,
296 /* flush cache after read */
297 flush_cache((ulong
)addr
, cnt
* 512); /* FIXME */
300 n
= mmc
->block_dev
.block_write(curr_device
, blk
,
304 n
= mmc
->block_dev
.block_erase(curr_device
, blk
, cnt
);
310 printf("%d blocks %s: %s\n",
311 n
, argv
[1], (n
== cnt
) ? "OK" : "ERROR");
312 return (n
== cnt
) ? 0 : 1;
315 return CMD_RET_USAGE
;
319 mmc
, 6, 1, do_mmcops
,
321 "read addr blk# cnt\n"
322 "mmc write addr blk# cnt\n"
323 "mmc erase blk# cnt\n"
325 "mmc part - lists available partition on current mmc device\n"
326 "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
327 "mmc list - lists available devices");