mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-27 21:43:45 +00:00
e5957e8d69
Currently, arch/arm/mach-uniphier/boot-mode/boot-mode.c is messed up with unrelated code; there is no reason why the "mmcsetn" command must be placed in this file. Split out the MMC code into arch/arm/mach-uniphier/mmc-first-dev.c. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
46 lines
820 B
C
46 lines
820 B
C
/*
|
|
* Copyright (C) 2016 Socionext Inc.
|
|
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <mmc.h>
|
|
#include <linux/errno.h>
|
|
|
|
static int find_first_mmc_device(void)
|
|
{
|
|
struct mmc *mmc;
|
|
int i;
|
|
|
|
for (i = 0; (mmc = find_mmc_device(i)); i++) {
|
|
if (!mmc_init(mmc) && IS_MMC(mmc))
|
|
return i;
|
|
}
|
|
|
|
return -ENODEV;
|
|
}
|
|
|
|
int mmc_get_env_dev(void)
|
|
{
|
|
return find_first_mmc_device();
|
|
}
|
|
|
|
static int do_mmcsetn(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
int dev;
|
|
|
|
dev = find_first_mmc_device();
|
|
if (dev < 0)
|
|
return CMD_RET_FAILURE;
|
|
|
|
setenv_ulong("mmc_first_dev", dev);
|
|
return CMD_RET_SUCCESS;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
mmcsetn, 1, 1, do_mmcsetn,
|
|
"Set the first MMC (not SD) dev number to \"mmc_first_dev\" environment",
|
|
""
|
|
);
|