From: Igor Opaniuk igor.opaniuk@toradex.com
Replace usage of "/dev/mmcblk*p*" with a proper UUID of rootfs partition. This fixes the issue, when MMC controllers are probed in a different order in U-boot and Linux kernel.
Acked-by: Marcel Ziswiler marcel.ziswiler@toradex.com Signed-off-by: Igor Opaniuk igor.opaniuk@toradex.com --- include/configs/colibri_imx7.h | 47 ++++++++++++++++++++-------------- 1 file changed, 28 insertions(+), 19 deletions(-)
diff --git a/include/configs/colibri_imx7.h b/include/configs/colibri_imx7.h index 5a4b9801cb..8bc75aba59 100644 --- a/include/configs/colibri_imx7.h +++ b/include/configs/colibri_imx7.h @@ -51,14 +51,22 @@ #define CONFIG_SERVERIP 192.168.10.1
#define EMMC_BOOTCMD \ - "emmcargs=ip=off root=/dev/mmcblk0p2 ro rootfstype=ext4 rootwait\0" \ - "emmcboot=run setup; " \ + "set_emmcargs=setenv emmcargs ip=off root=PARTUUID=${uuid} ro " \ + "rootfstype=ext4 rootwait\0" \ + "emmcboot=run setup; run emmcfinduuid; run set_emmcargs; " \ "setenv bootargs ${defargs} ${emmcargs} ${setupargs} " \ "${vidargs}; echo Booting from internal eMMC chip...; " \ "run m4boot && " \ - "load mmc 0:1 ${fdt_addr_r} ${soc}-colibri-emmc-${fdt_board}.dtb && " \ - "load mmc 0:1 ${kernel_addr_r} ${boot_file} && " \ - "run fdt_fixup && bootz ${kernel_addr_r} - ${fdt_addr_r}\0" + "load mmc ${emmcdev}:${emmcbootpart} ${fdt_addr_r} " \ + "${soc}-colibri-emmc-${fdt_board}.dtb && " \ + "load mmc ${emmcdev}:${emmcbootpart} ${kernel_addr_r} " \ + "${boot_file} && run fdt_fixup && " \ + "bootz ${kernel_addr_r} - ${fdt_addr_r}\0" \ + "emmcbootpart=1\0" \ + "emmcdev=0\0" \ + "emmcfinduuid=part uuid mmc ${emmcdev}:${emmcrootpart} uuid\0" \ + "emmcrootpart=2\0" +
#define MEM_LAYOUT_ENV_SETTINGS \ "bootm_size=0x10000000\0" \ @@ -69,24 +77,25 @@ "ramdisk_addr_r=0x82100000\0"
#if defined(CONFIG_TARGET_COLIBRI_IMX7_NAND) -#define SD_BOOTCMD \ - "sdargs=root=/dev/mmcblk0p2 ro rootwait\0" \ - "sdboot=run setup; setenv bootargs ${defargs} ${sdargs} " \ - "${setupargs} ${vidargs}; echo Booting from MMC/SD card...; " \ - "run m4boot && " \ - "load mmc 0:1 ${kernel_addr_r} ${kernel_file} && " \ - "load mmc 0:1 ${fdt_addr_r} ${soc}-colibri-${fdt_board}.dtb && " \ - "run fdt_fixup && bootz ${kernel_addr_r} - ${fdt_addr_r}\0" +#define SD_BOOTDEV 0 #elif defined(CONFIG_TARGET_COLIBRI_IMX7_EMMC) +#define SD_BOOTDEV 1 +#endif + #define SD_BOOTCMD \ - "sdargs=root=/dev/mmcblk1p2 ro rootwait\0" \ - "sdboot=run setup; setenv bootargs ${defargs} ${sdargs} " \ + "set_sdargs=setenv sdargs root=PARTUUID=${uuid} ro rootwait\0" \ + "sdboot=run setup; run sdfinduuid; run set_sdargs; " \ + "setenv bootargs ${defargs} ${sdargs} " \ "${setupargs} ${vidargs}; echo Booting from MMC/SD card...; " \ "run m4boot && " \ - "load mmc 1:1 ${kernel_addr_r} ${kernel_file} && " \ - "load mmc 1:1 ${fdt_addr_r} ${soc}-colibri-${fdt_board}.dtb && " \ - "run fdt_fixup && bootz ${kernel_addr_r} - ${fdt_addr_r}\0" -#endif + "load mmc ${sddev}:${sdbootpart} ${kernel_addr_r} ${kernel_file} && " \ + "load mmc ${sddev}:${sdbootpart} ${fdt_addr_r} " \ + "${soc}-colibri-${fdt_board}.dtb && " \ + "run fdt_fixup && bootz ${kernel_addr_r} - ${fdt_addr_r}\0" \ + "sdbootpart=1\0" \ + "sddev=" __stringify(SD_BOOTDEV) "\0" \ + "sdfinduuid=part uuid mmc ${sddev}:${sdrootpart} uuid\0" \ + "sdrootpart=2\0"
#define NFS_BOOTCMD \