r-link-uboot/common/cmd_mmc.c

117 lines
3.1 KiB
C

/*
* (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>
#if (CONFIG_COMMANDS & CFG_CMD_MMC)
#include <mmc.h>
int mmc_flag[2] = {0, 0} ;
int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
ulong src_addr, dst_addr, size;
char *cmd;
/*Default Setting to SLOT-0*/
int slot_no = 0, mmc_cont = 0;
if (argc < 2) {
goto mmc_cmd_usage;
} else if (argc == 2) {
if (strncmp(argv[0], "mmcinit", 7) != 0) {
goto mmc_cmd_usage;
} else {
slot_no = simple_strtoul(argv[1], NULL, 16);
if ((slot_no != 0) && (slot_no != 1))
goto mmc_cmd_usage;
if (mmc_init(slot_no) != 0) {
printf("No MMC card found\n");
return 1;
} else {
mmc_flag[slot_no] = 1;
}
}
} else {
mmc_cont = simple_strtoul(argv[1], NULL, 16);
if ((mmc_cont != 0) && (mmc_cont != 1))
goto mmc_cmd_usage;
if (!mmc_flag[mmc_cont]) {
printf("Try to do init First b4 read/write\n");
goto mmc_cmd_usage;
}
cmd = argv[2];
if (strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0
&& strncmp(cmd, "erase", 5) != 0)
goto mmc_cmd_usage;
if (strcmp(cmd, "erase") == 0) {
if (argc != 5) {
goto mmc_cmd_usage;
} else {
src_addr = simple_strtoul(argv[3], NULL, 16);
size = simple_strtoul(argv[4], NULL, 16);
mmc_erase(mmc_cont, src_addr, size);
}
}
if (strcmp(cmd, "read") == 0) {
if (argc != 6) {
goto mmc_cmd_usage;
} else {
src_addr = simple_strtoul(argv[3], NULL, 16);
dst_addr = simple_strtoul(argv[4], NULL, 16);
size = simple_strtoul(argv[5], NULL, 16);
mmc_read(mmc_cont, src_addr,
(unsigned char *)dst_addr, size);
}
}
if (strcmp(cmd, "write") == 0) {
if (argc != 6) {
goto mmc_cmd_usage;
} else {
src_addr = simple_strtoul(argv[3], NULL, 16);
dst_addr = simple_strtoul(argv[4], NULL, 16);
size = simple_strtoul(argv[5], NULL, 16);
mmc_write(mmc_cont, (unsigned char *)src_addr,
dst_addr, size);
}
}
}
return 0;
mmc_cmd_usage:
printf("Usage:\n%s\n", cmdtp->usage);
return 1;
}
U_BOOT_CMD(mmcinit, 6, 1, do_mmc,
"mmcinit - initialize mmc\n"
"mmc - Read/write/Erase mmc\n",
" <controller[0/1]>\n"
"mmc <controller[0/1]> read <src> <dst> <size>\n"
"mmc <controller[0/1]> write <src> <dst> <size>\n"
"mmc <controller[0/1]> erase <start> <size>\n");
#endif /* CFG_CMD_MMC */