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) {
170 return CMD_RET_USAGE;
172 mmc = find_mmc_device(curr_device);
174 printf("no mmc device at slot %x\n", curr_device);
184 } else if (strncmp(argv[1], "part", 4) == 0) {
185 block_dev_desc_t *mmc_dev;
189 return CMD_RET_USAGE;
191 mmc = find_mmc_device(curr_device);
193 printf("no mmc device at slot %x\n", curr_device);
197 mmc_dev = mmc_get_dev(curr_device);
198 if (mmc_dev != NULL &&
199 mmc_dev->type != DEV_TYPE_UNKNOWN) {
204 puts("get mmc type error!\n");
206 } else if (strcmp(argv[1], "list") == 0) {
208 return CMD_RET_USAGE;
209 print_mmc_devices('\n');
211 } else if (strcmp(argv[1], "dev") == 0) {
218 dev = simple_strtoul(argv[2], NULL, 10);
219 else if (argc == 4) {
220 dev = (int)simple_strtoul(argv[2], NULL, 10);
221 part = (int)simple_strtoul(argv[3], NULL, 10);
222 if (part > PART_ACCESS_MASK) {
223 printf("#part_num shouldn't be larger"
224 " than %d\n", PART_ACCESS_MASK);
228 return CMD_RET_USAGE;
230 mmc = find_mmc_device(dev);
232 printf("no mmc device at slot %x\n", dev);
239 if (mmc->part_config == MMCPART_NOAVAILABLE) {
240 printf("Card doesn't support part_switch\n");
244 if (part != mmc->part_num) {
245 ret = mmc_switch_part(dev, part);
247 mmc->part_num = part;
249 printf("switch to partions #%d, %s\n",
250 part, (!ret) ? "OK" : "ERROR");
254 if (mmc->part_config == MMCPART_NOAVAILABLE)
255 printf("mmc%d is current device\n", curr_device);
257 printf("mmc%d(part %d) is current device\n",
258 curr_device, mmc->part_num);
264 if (argc == 5 && strcmp(argv[1], "read") == 0)
266 else if (argc == 5 && strcmp(argv[1], "write") == 0)
268 else if (argc == 4 && strcmp(argv[1], "erase") == 0)
271 if (state != MMC_INVALID) {
272 struct mmc *mmc = find_mmc_device(curr_device);
277 if (state != MMC_ERASE) {
278 addr = (void *)simple_strtoul(argv[idx], NULL, 16);
282 blk = simple_strtoul(argv[idx], NULL, 16);
283 cnt = simple_strtoul(argv[idx + 1], NULL, 16);
286 printf("no mmc device at slot %x\n", curr_device);
290 printf("\nMMC %s: dev # %d, block # %d, count %d ... ",
291 argv[1], curr_device, blk, cnt);
295 if ((state == MMC_WRITE || state == MMC_ERASE)) {
296 if (mmc_getwp(mmc) == 1) {
297 printf("Error: card is write protected!\n");
304 n = mmc->block_dev.block_read(curr_device, blk,
306 /* flush cache after read */
307 flush_cache((ulong)addr, cnt * 512); /* FIXME */
310 n = mmc->block_dev.block_write(curr_device, blk,
314 n = mmc->block_dev.block_erase(curr_device, blk, cnt);
320 printf("%d blocks %s: %s\n",
321 n, argv[1], (n == cnt) ? "OK" : "ERROR");
322 return (n == cnt) ? 0 : 1;
325 return CMD_RET_USAGE;
329 mmc, 6, 1, do_mmcops,
331 "read addr blk# cnt\n"
332 "mmc write addr blk# cnt\n"
333 "mmc erase blk# cnt\n"
335 "mmc part - lists available partition on current mmc device\n"
336 "mmc dev [dev] [part] - show or set current mmc device [partition]\n"
337 "mmc list - lists available devices");