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/*
* (C) Copyright 2003
* Kyle Harris, kharris@nexus-tech.net
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
#include <mmc.h>
static int curr_device = -1;
#ifndef CONFIG_GENERIC_MMC
int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
int dev;
if (argc < 2)
return cmd_usage(cmdtp);
if (strcmp(argv[1], "init") == 0) {
if (argc == 2) {
if (curr_device < 0)
dev = 1;
else
dev = curr_device;
} else if (argc == 3) {
dev = (int)simple_strtoul(argv[2], NULL, 10);
} else {
return cmd_usage(cmdtp);
}
if (mmc_legacy_init(dev) != 0) {
puts("No MMC card found\n");
return 1;
}
curr_device = dev;
printf("mmc%d is available\n", curr_device);
} else if (strcmp(argv[1], "device") == 0) {
if (argc == 2) {
if (curr_device < 0) {
puts("No MMC device available\n");
return 1;
}
} else if (argc == 3) {
dev = (int)simple_strtoul(argv[2], NULL, 10);
#ifdef CONFIG_SYS_MMC_SET_DEV
if (mmc_set_dev(dev) != 0)
return 1;
#endif
curr_device = dev;
} else {
return cmd_usage(cmdtp);
}
printf("mmc%d is current device\n", curr_device);
} else {
return cmd_usage(cmdtp);
}
return 0;
}
U_BOOT_CMD(
mmc, 3, 1, do_mmc,
"MMC sub-system",
"init [dev] - init MMC sub system\n"
"mmc device [dev] - show or set current device"
);
#else /* !CONFIG_GENERIC_MMC */
static void print_mmcinfo(struct mmc *mmc)
{
printf("Device: %s\n", mmc->name);
printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
(mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
(mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
printf("Tran Speed: %d\n", mmc->tran_speed);
printf("Rd Block Len: %d\n", mmc->read_bl_len);
printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
(mmc->version >> 4) & 0xf, mmc->version & 0xf);
printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
puts("Capacity: ");
print_size(mmc->capacity, "\n");
printf("Bus Width: %d-bit\n", mmc->bus_width);
}
int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct mmc *mmc;
if (curr_device < 0) {
if (get_mmc_num() > 0)
curr_device = 0;
else {
puts("No MMC device available\n");
return 1;
}
}
mmc = find_mmc_device(curr_device);
if (mmc) {
mmc_init(mmc);
print_mmcinfo(mmc);
return 0;
} else {
printf("no mmc device at slot %x\n", curr_device);
return 1;
}
}
U_BOOT_CMD(
mmcinfo, 1, 0, do_mmcinfo,
"display MMC info",
" - device number of the device to dislay info of\n"
""
);
int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
if (argc < 2)
return cmd_usage(cmdtp);
if (curr_device < 0) {
if (get_mmc_num() > 0)
curr_device = 0;
else {
puts("No MMC device available\n");
return 1;
}
}
if (strcmp(argv[1], "rescan") == 0) {
struct mmc *mmc = find_mmc_device(curr_device);
if (!mmc) {
printf("no mmc device at slot %x\n", curr_device);
return 1;
}
mmc_init(mmc);
return 0;
} else if (strncmp(argv[1], "part", 4) == 0) {
block_dev_desc_t *mmc_dev;
struct mmc *mmc = find_mmc_device(curr_device);
if (!mmc) {
printf("no mmc device at slot %x\n", curr_device);
return 1;
}
mmc_init(mmc);
mmc_dev = mmc_get_dev(curr_device);
if (mmc_dev != NULL &&
mmc_dev->type != DEV_TYPE_UNKNOWN) {
print_part(mmc_dev);
return 0;
}
puts("get mmc type error!\n");
return 1;
} else if (strcmp(argv[1], "list") == 0) {
print_mmc_devices('\n');
return 0;
} else if (strcmp(argv[1], "dev") == 0) {
int dev;
struct mmc *mmc;
if (argc == 2)
dev = curr_device;
else if (argc == 3)
dev = simple_strtoul(argv[2], NULL, 10);
else
return cmd_usage(cmdtp);
mmc = find_mmc_device(dev);
if (!mmc) {
printf("no mmc device at slot %x\n", dev);
return 1;
}
curr_device = dev;
printf("mmc%d is current device\n", curr_device);
return 0;
} else if (strcmp(argv[1], "read") == 0) {
void *addr = (void *)simple_strtoul(argv[2], NULL, 16);
u32 cnt = simple_strtoul(argv[4], NULL, 16);
u32 n;
u32 blk = simple_strtoul(argv[3], NULL, 16);
struct mmc *mmc = find_mmc_device(curr_device);
if (!mmc) {
printf("no mmc device at slot %x\n", curr_device);
return 1;
}
printf("\nMMC read: dev # %d, block # %d, count %d ... ",
curr_device, blk, cnt);
mmc_init(mmc);
n = mmc->block_dev.block_read(curr_device, blk, cnt, addr);
/* flush cache after read */
flush_cache((ulong)addr, cnt * 512); /* FIXME */
printf("%d blocks read: %s\n",
n, (n==cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
} else if (strcmp(argv[1], "write") == 0) {
void *addr = (void *)simple_strtoul(argv[2], NULL, 16);
u32 cnt = simple_strtoul(argv[4], NULL, 16);
u32 n;
struct mmc *mmc = find_mmc_device(curr_device);
int blk = simple_strtoul(argv[3], NULL, 16);
if (!mmc) {
printf("no mmc device at slot %x\n", curr_device);
return 1;
}
printf("\nMMC write: dev # %d, block # %d, count %d ... ",
curr_device, blk, cnt);
mmc_init(mmc);
n = mmc->block_dev.block_write(curr_device, blk, cnt, addr);
printf("%d blocks written: %s\n",
n, (n == cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
}
return cmd_usage(cmdtp);
}
U_BOOT_CMD(
mmc, 6, 1, do_mmcops,
"MMC sub system",
"read addr blk# cnt\n"
"mmc write addr blk# cnt\n"
"mmc rescan\n"
"mmc part - lists available partition on current mmc device\n"
"mmc dev [dev] - show or set current mmc device\n"
"mmc list - lists available devices");
#endif
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