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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>
#ifndef CONFIG_GENERIC_MMC
int curr_device = -1;
int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
int dev;
if (argc < 2) {
cmd_usage(cmdtp);
return 1;
}
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 {
cmd_usage(cmdtp);
return 1;
}
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 {
cmd_usage(cmdtp);
return 1;
}
printf("mmc%d is current device\n", curr_device);
} else {
cmd_usage(cmdtp);
return 1;
}
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\n"
);
#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");
printf("Capacity: %lld\n", mmc->capacity);
printf("Bus Width: %d-bit\n", mmc->bus_width);
}
int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
struct mmc *mmc;
int dev_num;
if (argc < 2)
dev_num = 0;
else
dev_num = simple_strtoul(argv[1], NULL, 0);
mmc = find_mmc_device(dev_num);
if (mmc) {
mmc_init(mmc);
print_mmcinfo(mmc);
}
return 0;
}
U_BOOT_CMD(mmcinfo, 2, 0, do_mmcinfo,
"print MMC information",
"<dev num>\n");
int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
int rc = 0;
switch (argc) {
case 3:
if (strcmp(argv[1], "rescan") == 0) {
int dev = simple_strtoul(argv[2], NULL, 10);
struct mmc *mmc = find_mmc_device(dev);
mmc_init(mmc);
return 0;
}
case 0:
case 1:
case 4:
printf("Usage:\n%s\n", cmdtp->usage);
return 1;
case 2:
if (!strcmp(argv[1], "list")) {
print_mmc_devices('\n');
return 0;
}
return 1;
default: /* at least 5 args */
if (strcmp(argv[1], "read") == 0) {
int dev = simple_strtoul(argv[2], NULL, 10);
void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
u32 cnt = simple_strtoul(argv[5], NULL, 16);
u32 n;
u32 blk = simple_strtoul(argv[4], NULL, 16);
struct mmc *mmc = find_mmc_device(dev);
printf("\nMMC read: dev # %d, block # %d, count %d ... ",
dev, blk, cnt);
mmc_init(mmc);
n = mmc->block_dev.block_read(dev, 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) {
int dev = simple_strtoul(argv[2], NULL, 10);
void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
u32 cnt = simple_strtoul(argv[5], NULL, 16);
u32 n;
struct mmc *mmc = find_mmc_device(dev);
int blk = simple_strtoul(argv[4], NULL, 16);
printf("\nMMC write: dev # %d, block # %d, count %d ... ",
dev, blk, cnt);
mmc_init(mmc);
n = mmc->block_dev.block_write(dev, blk, cnt, addr);
printf("%d blocks written: %s\n",
n, (n == cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
} else {
printf("Usage:\n%s\n", cmdtp->usage);
rc = 1;
}
return rc;
}
}
U_BOOT_CMD(
mmc, 6, 1, do_mmcops,
"MMC sub system",
"read <device num> addr blk# cnt\n"
"mmc write <device num> addr blk# cnt\n"
"mmc rescan <device num>\n"
"mmc list - list available devices\n");
#endif
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