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 #ifndef CONFIG_GENERIC_MMC
29 static int curr_device = -1;
31 int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
36 return cmd_usage(cmdtp);
38 if (strcmp(argv[1], "init") == 0) {
44 } else if (argc == 3) {
45 dev = (int)simple_strtoul(argv[2], NULL, 10);
47 return cmd_usage(cmdtp);
50 if (mmc_legacy_init(dev) != 0) {
51 puts("No MMC card found\n");
56 printf("mmc%d is available\n", curr_device);
57 } else if (strcmp(argv[1], "device") == 0) {
59 if (curr_device < 0) {
60 puts("No MMC device available\n");
63 } else if (argc == 3) {
64 dev = (int)simple_strtoul(argv[2], NULL, 10);
66 #ifdef CONFIG_SYS_MMC_SET_DEV
67 if (mmc_set_dev(dev) != 0)
72 return cmd_usage(cmdtp);
75 printf("mmc%d is current device\n", curr_device);
77 return cmd_usage(cmdtp);
86 "init [dev] - init MMC sub system\n"
87 "mmc device [dev] - show or set current device"
89 #else /* !CONFIG_GENERIC_MMC */
91 static void print_mmcinfo(struct mmc *mmc)
93 printf("Device: %s\n", mmc->name);
94 printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
95 printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
96 printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
97 (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
98 (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
100 printf("Tran Speed: %d\n", mmc->tran_speed);
101 printf("Rd Block Len: %d\n", mmc->read_bl_len);
103 printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
104 (mmc->version >> 4) & 0xf, mmc->version & 0xf);
106 printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
107 printf("Capacity: %lld\n", mmc->capacity);
109 printf("Bus Width: %d-bit\n", mmc->bus_width);
112 int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
120 dev_num = simple_strtoul(argv[1], NULL, 0);
122 mmc = find_mmc_device(dev_num);
134 mmcinfo, 2, 0, do_mmcinfo,
137 " - device number of the device to dislay info of\n"
141 int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
147 if (strcmp(argv[1], "rescan") == 0) {
148 int dev = simple_strtoul(argv[2], NULL, 10);
149 struct mmc *mmc = find_mmc_device(dev);
162 printf("Usage:\n%s\n", cmdtp->usage);
166 if (!strcmp(argv[1], "list")) {
167 print_mmc_devices('\n');
171 default: /* at least 5 args */
172 if (strcmp(argv[1], "read") == 0) {
173 int dev = simple_strtoul(argv[2], NULL, 10);
174 void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
175 u32 cnt = simple_strtoul(argv[5], NULL, 16);
177 u32 blk = simple_strtoul(argv[4], NULL, 16);
178 struct mmc *mmc = find_mmc_device(dev);
183 printf("\nMMC read: dev # %d, block # %d, count %d ... ",
188 n = mmc->block_dev.block_read(dev, blk, cnt, addr);
190 /* flush cache after read */
191 flush_cache((ulong)addr, cnt * 512); /* FIXME */
193 printf("%d blocks read: %s\n",
194 n, (n==cnt) ? "OK" : "ERROR");
195 return (n == cnt) ? 0 : 1;
196 } else if (strcmp(argv[1], "write") == 0) {
197 int dev = simple_strtoul(argv[2], NULL, 10);
198 void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
199 u32 cnt = simple_strtoul(argv[5], NULL, 16);
201 struct mmc *mmc = find_mmc_device(dev);
203 int blk = simple_strtoul(argv[4], NULL, 16);
208 printf("\nMMC write: dev # %d, block # %d, count %d ... ",
213 n = mmc->block_dev.block_write(dev, blk, cnt, addr);
215 printf("%d blocks written: %s\n",
216 n, (n == cnt) ? "OK" : "ERROR");
217 return (n == cnt) ? 0 : 1;
219 printf("Usage:\n%s\n", cmdtp->usage);
228 mmc, 6, 1, do_mmcops,
230 "read <device num> addr blk# cnt\n"
231 "mmc write <device num> addr blk# cnt\n"
232 "mmc rescan <device num>\n"
233 "mmc list - lists available devices");