[U-Boot] ARM: omap3_logic: Enable UUID

[sbabic at denx.de]

> Instead of hardcoding the mmcroot to /dev/mmcblkX, use the UUID
> method.
> Signed-off-by: Adam Ford <aford173 at gmail.com>
> diff --git a/configs/omap35_logic_defconfig b/configs/omap35_logic_defconfig
> index 5b5f3eb7b4..9a1596c89b 100644
> --- a/configs/omap35_logic_defconfig
> +++ b/configs/omap35_logic_defconfig
> @@ -30,6 +30,7 @@ CONFIG_CMD_SPL_WRITE_SIZE=0x20000
>  CONFIG_CMD_NAND=y
>  CONFIG_CMD_NAND_LOCK_UNLOCK=y
>  CONFIG_CMD_CACHE=y
> +CONFIG_CMD_UUID=y
>  CONFIG_CMD_MTDPARTS=y
>  CONFIG_MTDIDS_DEFAULT="nand0=omap2-nand.0"
>  CONFIG_MTDPARTS_DEFAULT="mtdparts=omap2-nand.0:512k(MLO),1792k(u-boot),128k(spl-os),128k(u-boot-env),6m(kernel),-(fs)"
> diff --git a/configs/omap35_logic_somlv_defconfig b/configs/omap35_logic_somlv_defconfig
> index 396f321699..961be13399 100644
> --- a/configs/omap35_logic_somlv_defconfig
> +++ b/configs/omap35_logic_somlv_defconfig
> @@ -29,6 +29,7 @@ CONFIG_CMD_SPL_WRITE_SIZE=0x20000
>  CONFIG_CMD_NAND=y
>  CONFIG_CMD_NAND_LOCK_UNLOCK=y
>  CONFIG_CMD_CACHE=y
> +CONFIG_CMD_UUID=y
>  CONFIG_CMD_MTDPARTS=y
>  CONFIG_MTDIDS_DEFAULT="nand0=omap2-nand.0,nor0=physmap-flash.0"
>  CONFIG_MTDPARTS_DEFAULT="mtdparts=omap2-nand.0:512k(MLO),1792k(u-boot),128k(spl-os),128k(u-boot-env),6m(kernel),-(fs);physmap-flash.0:-(nor)"
> diff --git a/configs/omap3_logic_defconfig b/configs/omap3_logic_defconfig
> index b38b6fd75a..41fb0341b9 100644
> --- a/configs/omap3_logic_defconfig
> +++ b/configs/omap3_logic_defconfig
> @@ -29,6 +29,7 @@ CONFIG_CMD_SPL_WRITE_SIZE=0x20000
>  CONFIG_CMD_NAND=y
>  CONFIG_CMD_NAND_LOCK_UNLOCK=y
>  CONFIG_CMD_CACHE=y
> +CONFIG_CMD_UUID=y
>  CONFIG_CMD_MTDPARTS=y
>  CONFIG_MTDIDS_DEFAULT="nand0=omap2-nand.0"
>  CONFIG_MTDPARTS_DEFAULT="mtdparts=omap2-nand.0:512k(MLO),1792k(u-boot),128k(spl-os),128k(u-boot-env),6m(kernel),-(fs)"
> diff --git a/configs/omap3_logic_somlv_defconfig b/configs/omap3_logic_somlv_defconfig
> index c6106c5d23..c5e6a29e47 100644
> --- a/configs/omap3_logic_somlv_defconfig
> +++ b/configs/omap3_logic_somlv_defconfig
> @@ -29,6 +29,7 @@ CONFIG_CMD_SPL_WRITE_SIZE=0x20000
>  CONFIG_CMD_NAND=y
>  CONFIG_CMD_NAND_LOCK_UNLOCK=y
>  CONFIG_CMD_CACHE=y
> +CONFIG_CMD_UUID=y
>  CONFIG_CMD_MTDPARTS=y
>  CONFIG_MTDIDS_DEFAULT="nand0=omap2-nand.0,nor0=physmap-flash.0"
>  CONFIG_MTDPARTS_DEFAULT="mtdparts=omap2-nand.0:512k(MLO),1792k(u-boot),128k(spl-os),128k(u-boot-env),6m(kernel),-(fs);physmap-flash.0:-(nor)"
> diff --git a/include/configs/omap3_logic.h b/include/configs/omap3_logic.h
> index fe557f91ca..9db9668703 100644
> --- a/include/configs/omap3_logic.h
> +++ b/include/configs/omap3_logic.h
> @@ -67,7 +67,7 @@
>  	"mtdids=" CONFIG_MTDIDS_DEFAULT "\0"	\
>  	"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
>  	"mmcdev=0\0" \
> -	"mmcroot=/dev/mmcblk0p2 rw\0" \
> +	"finduuid=part uuid mmc ${mmcdev}:2 uuid\0" \
>  	"mmcrootfstype=ext4 rootwait\0" \
>  	"nandroot=ubi0:rootfs rw ubi.mtd=fs noinitrd\0" \
>  	"nandrootfstype=ubifs rootwait\0" \
> @@ -106,7 +106,8 @@
>  	"ramargs=setenv bootargs "\
>  		"root=/dev/ram rw ramdisk_size=${ramdisksize}\0" \
>  	"mmcargs=setenv bootargs "\
> -		"root=${mmcroot} rootfstype=${mmcrootfstype}\0" \
> +		"root=PARTUUID=${uuid} " \
> +		"rootfstype=${mmcrootfstype} rw\0" \
>  	"nandargs=setenv bootargs "\
>  		"root=${nandroot} " \
>  		"rootfstype=${nandrootfstype}\0" \
> @@ -120,6 +121,7 @@
>  	"loadfdt=mmc rescan; " \
>  		"load mmc ${mmcdev} ${fdtaddr} ${fdtimage}\0" \
>  	"mmcbootcommon=echo Booting with DT from mmc${mmcdev} ...; " \
> +		"run finduuid; "\
>  		"run mmcargs; " \
>  		"run common_bootargs; " \
>  		"run dump_bootargs; " \

Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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