pico-imx6ul: Use PARTUUID to specify the rootfs location
Currently the rootfs location is passed via mmcblk number and using
the UUID method to specify the rootfs location is a better approach
working even if mmcblk number for the eMMC changes depending on the
kernel versions.
Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
diff --git a/include/configs/pico-imx6ul.h b/include/configs/pico-imx6ul.h
index d4b29e3..c775c32 100644
--- a/include/configs/pico-imx6ul.h
+++ b/include/configs/pico-imx6ul.h
@@ -61,14 +61,15 @@
"fdt_addr=0x83000000\0" \
"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
- "mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
"mmcautodetect=yes\0" \
CONFIG_DFU_ENV_SETTINGS \
+ "finduuid=part uuid mmc 0:2 uuid\0" \
"mmcargs=setenv bootargs console=${console},${baudrate} " \
- "root=${mmcroot}\0" \
+ "root=PARTUUID=${uuid} rootwait rw\0" \
"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 run loadfdt; then " \
"bootz ${loadaddr} - ${fdt_addr}; " \
@@ -147,6 +148,5 @@
#define CONFIG_SYS_MMC_ENV_DEV 0
#define CONFIG_SYS_MMC_ENV_PART 0
-#define CONFIG_MMCROOT "/dev/mmcblk0p2"
#endif /* __PICO_IMX6UL_CONFIG_H */