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 *argv
[])
40 if (strcmp(argv
[1], "init") == 0) {
46 } else if (argc
== 3) {
47 dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
53 if (mmc_legacy_init(dev
) != 0) {
54 puts("No MMC card found\n");
59 printf("mmc%d is available\n", curr_device
);
60 } else if (strcmp(argv
[1], "device") == 0) {
62 if (curr_device
< 0) {
63 puts("No MMC device available\n");
66 } else if (argc
== 3) {
67 dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
69 #ifdef CONFIG_SYS_MMC_SET_DEV
70 if (mmc_set_dev(dev
) != 0)
79 printf("mmc%d is current device\n", curr_device
);
91 "init [dev] - init MMC sub system\n"
92 "mmc device [dev] - show or set current device"
94 #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");
112 printf("Capacity: %lld\n", mmc
->capacity
);
114 printf("Bus Width: %d-bit\n", mmc
->bus_width
);
117 int do_mmcinfo (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
125 dev_num
= simple_strtoul(argv
[1], NULL
, 0);
127 mmc
= find_mmc_device(dev_num
);
138 U_BOOT_CMD(mmcinfo
, 2, 0, do_mmcinfo
,
139 "mmcinfo <dev num>-- display MMC info\n",
143 int do_mmcops(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
149 if (strcmp(argv
[1], "rescan") == 0) {
150 int dev
= simple_strtoul(argv
[2], NULL
, 10);
151 struct mmc
*mmc
= find_mmc_device(dev
);
164 printf("Usage:\n%s\n", cmdtp
->usage
);
168 if (!strcmp(argv
[1], "list")) {
169 print_mmc_devices('\n');
173 default: /* at least 5 args */
174 if (strcmp(argv
[1], "read") == 0) {
175 int dev
= simple_strtoul(argv
[2], NULL
, 10);
176 void *addr
= (void *)simple_strtoul(argv
[3], NULL
, 16);
177 u32 cnt
= simple_strtoul(argv
[5], NULL
, 16);
179 u32 blk
= simple_strtoul(argv
[4], NULL
, 16);
180 struct mmc
*mmc
= find_mmc_device(dev
);
185 printf("\nMMC read: dev # %d, block # %d, count %d ... ",
190 n
= mmc
->block_dev
.block_read(dev
, blk
, cnt
, addr
);
192 /* flush cache after read */
193 flush_cache((ulong
)addr
, cnt
* 512); /* FIXME */
195 printf("%d blocks read: %s\n",
196 n
, (n
==cnt
) ? "OK" : "ERROR");
197 return (n
== cnt
) ? 0 : 1;
198 } else if (strcmp(argv
[1], "write") == 0) {
199 int dev
= simple_strtoul(argv
[2], NULL
, 10);
200 void *addr
= (void *)simple_strtoul(argv
[3], NULL
, 16);
201 u32 cnt
= simple_strtoul(argv
[5], NULL
, 16);
203 struct mmc
*mmc
= find_mmc_device(dev
);
205 int blk
= simple_strtoul(argv
[4], NULL
, 16);
210 printf("\nMMC write: dev # %d, block # %d, count %d ... ",
215 n
= mmc
->block_dev
.block_write(dev
, blk
, cnt
, addr
);
217 printf("%d blocks written: %s\n",
218 n
, (n
== cnt
) ? "OK" : "ERROR");
219 return (n
== cnt
) ? 0 : 1;
221 printf("Usage:\n%s\n", cmdtp
->usage
);
230 mmc
, 6, 1, do_mmcops
,
232 "read <device num> addr blk# cnt\n"
233 "mmc write <device num> addr blk# cnt\n"
234 "mmc rescan <device num>\n"
235 "mmc list - lists available devices");