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>

diff --git a/board/engicam/isiotmx6ul/isiotmx6ul.c b/board/engicam/isiotmx6ul/isiotmx6ul.c
index 0e607e0da07bc4c466ca251efb904974a2ed1de6..b96e4ce8967f963eef4995084374e4c8abbbf481 100644 (file)
--- a/board/engicam/isiotmx6ul/isiotmx6ul.c
+++ b/board/engicam/isiotmx6ul/isiotmx6ul.c
@@ -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:

diff --git a/include/configs/imx6ul_isiot.h b/include/configs/imx6ul_isiot.h
index 7258fed79b7d8b37cc7be6ed1197d7647443a238..4009648628f1103b9fa0fdcf53d9fa7b56bfad71 100644 (file)
--- a/include/configs/imx6ul_isiot.h
+++ b/include/configs/imx6ul_isiot.h
@@ -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} " \