From: Fabio Estevam Date: Wed, 22 Nov 2017 13:15:28 +0000 (-0200) Subject: mx6sxsabresd: Use PARTUUID to specify the rootfs location X-Git-Tag: v2018.01-rc1~66^2~9 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f086812acd3f8dad365ab328e426178ca36a8408;p=platform%2Fkernel%2Fu-boot.git mx6sxsabresd: Use PARTUUID to specify the rootfs location mx6sxsabresd can run different kernel versions, such as NXP 4.1 or mainline. Currently the rootfs location is passed via mmcblk number and the problem with this approach is that the mmcblk number for the SD card changes depending on the kernel version. In order to avoid such issue, use the UUID method to specify the rootfs location. Signed-off-by: Fabio Estevam Reviewed-by: Stefano Babic Reviewed-by: Lukasz Majewski --- diff --git a/configs/mx6sxsabresd_defconfig b/configs/mx6sxsabresd_defconfig index 1ec672e..2c184f6 100644 --- a/configs/mx6sxsabresd_defconfig +++ b/configs/mx6sxsabresd_defconfig @@ -12,6 +12,7 @@ CONFIG_CMD_BOOTZ=y CONFIG_CMD_GPIO=y CONFIG_CMD_I2C=y CONFIG_CMD_MMC=y +CONFIG_CMD_PART=y CONFIG_CMD_PCI=y CONFIG_CMD_USB=y # CONFIG_CMD_SETEXPR is not set diff --git a/include/configs/mx6sxsabresd.h b/include/configs/mx6sxsabresd.h index 5ef78a7..f4c9c28 100644 --- a/include/configs/mx6sxsabresd.h +++ b/include/configs/mx6sxsabresd.h @@ -57,9 +57,9 @@ "videomode=video=ctfb:x:800,y:480,depth:24,pclk:29850,le:89,ri:164,up:23,lo:10,hs:10,vs:10,sync:0,vmode:0\0" \ "mmcdev=2\0" \ "mmcpart=1\0" \ - "mmcroot=/dev/mmcblk0p2 rootwait rw\0" \ + "finduuid=part uuid mmc 2:2 uuid\0" \ "mmcargs=setenv bootargs console=${console},${baudrate} " \ - "root=${mmcroot}\0" \ + "root=PARTUUID=${uuid} rootwait rw\0" \ "loadbootscript=" \ "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ "bootscript=echo Running bootscript from mmc ...; " \ @@ -67,6 +67,7 @@ "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \ "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ "mmcboot=echo Booting from mmc ...; " \ + "run finduuid; " \ "run mmcargs; " \ "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ "if run loadfdt; then " \