[U-Boot] [PATCH v4 08/15] i.MX6UL: isiot: Add mmc_late_init

Jagan Teki
2017-02-24T10:15:19Z

From: Jagan Teki <jagan@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.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Reviewed by: Stefano Babic <sbabic@denx.de>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
board/engicam/isiotmx6ul/isiotmx6ul.c | 22 ++++++++++++++++++++++
include/configs/imx6ul_isiot.h | 2 --
2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/board/engicam/isiotmx6ul/isiotmx6ul.c b/board/engicam/isiotmx6ul/isiotmx6ul.c
index 0e607e0..b96e4ce 100644
--- 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 7258fed..4009648 100644
--- 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} " \
--
1.9.1