For compatibility with distro boot, fastboot, and mount the mmc deivce to PC via usb mass storage feature, GPT partitions are essential.
You should write the partitions to mmc device prior to use above feature. => gpt write mmc 1 $partitions GPT successfully written to block device! success! Signed-off-by: Ziyuan Xu <xzy...@rock-chips.com> --- include/configs/rk3288_common.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/configs/rk3288_common.h b/include/configs/rk3288_common.h index 814116c..fa37335 100644 --- a/include/configs/rk3288_common.h +++ b/include/configs/rk3288_common.h @@ -113,6 +113,12 @@ "kernel_addr_r=0x02000000\0" \ "ramdisk_addr_r=0x04000000\0" +#define CONFIG_RANDOM_UUID +#define PARTS_DEFAULT \ + "uuid_disk=${uuid_gpt_disk};" \ + "name=boot,start=8M,size=64M,bootable,uuid=${uuid_gpt_boot};" \ + "name=rootfs,size=-,uuid=${uuid_gpt_rootfs};\0" \ + /* First try to boot from SD (index 0), then eMMC (index 1 */ #define BOOT_TARGET_DEVICES(func) \ func(MMC, mmc, 0) \ @@ -125,6 +131,7 @@ #define CONFIG_EXTRA_ENV_SETTINGS \ "fdt_high=0x1fffffff\0" \ "initrd_high=0x1fffffff\0" \ + "partitions=" PARTS_DEFAULT \ ENV_MEM_LAYOUT_SETTINGS \ ROCKCHIP_DEVICE_SETTINGS \ BOOTENV -- 2.9.2 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot