[U-Boot] [PATCH 4/5] i.MX6UL: geam6ul: Add mmc_late_init

[Jagan Teki]

From: Jagan Teki <ja...@amarulasolutions.com>

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.l...@engicam.com>
Cc: Michael Trimarchi <mich...@amarulasolutions.com>
Cc: Stefano Babic <sba...@denx.de>
Signed-off-by: Jagan Teki <ja...@amarulasolutions.com>
---
 board/engicam/geam6ul/geam6ul.c | 22 ++++++++++++++++++++++
 include/configs/imx6ul_geam.h   |  2 --
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/board/engicam/geam6ul/geam6ul.c b/board/engicam/geam6ul/geam6ul.c
index 29a4830..3593719 100644
--- a/board/engicam/geam6ul/geam6ul.c
+++ b/board/engicam/geam6ul/geam6ul.c
@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <mmc.h>
 
 #include <asm/io.h>
 #include <asm/gpio.h>
@@ -103,12 +104,33 @@ 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) >>
                        IMX6_BMODE_SHIFT) {
        case IMX6_BMODE_SD:
        case IMX6_BMODE_ESD:
+#ifdef CONFIG_ENV_IS_IN_MMC
+               mmc_late_init();
+#endif
                setenv("modeboot", "mmcboot");
                break;
        case IMX6_BMODE_NAND:
diff --git a/include/configs/imx6ul_geam.h b/include/configs/imx6ul_geam.h
index e9a1a06..d331744 100644
--- a/include/configs/imx6ul_geam.h
+++ b/include/configs/imx6ul_geam.h
@@ -44,9 +44,7 @@
        "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} " \
-- 
1.9.1

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