i.MX6UL: isiot: Add mmc_late_init

Let the runtime code can set the mmcdev and mmcroot based
on the devno using mmc_get_env_dev instead of defining
separately in build-time configs using mmc_late_init func.

Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Reviewed by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Jagan Teki 2017-02-24 15:45:19 +05:30 committed by Stefano Babic
parent 2e2a8dc635
commit 0dd259a1b1
2 changed files with 22 additions and 2 deletions

View file

@ -7,6 +7,7 @@
*/
#include <common.h>
#include <mmc.h>
#include <asm/io.h>
#include <asm/gpio.h>
@ -103,6 +104,24 @@ static void setup_gpmi_nand(void)
}
#endif /* CONFIG_NAND_MXS */
#ifdef CONFIG_ENV_IS_IN_MMC
static void mmc_late_init(void)
{
char cmd[32];
char mmcblk[32];
u32 dev_no = mmc_get_env_dev();
setenv_ulong("mmcdev", dev_no);
/* Set mmcblk env */
sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw", dev_no);
setenv("mmcroot", mmcblk);
sprintf(cmd, "mmc dev %d", dev_no);
run_command(cmd, 0);
}
#endif
int board_late_init(void)
{
switch ((imx6_src_get_boot_mode() & IMX6_BMODE_MASK) >>
@ -111,6 +130,9 @@ int board_late_init(void)
case IMX6_BMODE_ESD:
case IMX6_BMODE_MMC:
case IMX6_BMODE_EMMC:
#ifdef CONFIG_ENV_IS_IN_MMC
mmc_late_init();
#endif
setenv("modeboot", "mmcboot");
break;
case IMX6_BMODE_NAND:

View file

@ -45,9 +45,7 @@
"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
"fdt_addr=0x87800000\0" \
"boot_fdt=try\0" \
"mmcdev=0\0" \
"mmcpart=1\0" \
"mmcroot=/dev/mmcblk0p2 rootwait rw\0" \
"nandroot=ubi0:rootfs rootfstype=ubifs\0" \
"mmcautodetect=yes\0" \
"mmcargs=setenv bootargs console=${console},${baudrate} " \