From 42ec247e698824bda29e3ee18a0e531caf7633ef Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Tue, 25 Jul 2017 12:00:05 +0800 Subject: [PATCH] rockchip: use UUID for root partitions We use to use /dev/mmcbl0p7 as root partition, and pass it to kernel by cmdline, but the mmc number in kernel in not fixed, we need to change the bootargs to adapt it from time to time. We can use the UUID to fix it, the ID is from: https://www.freedesktop.org/wiki/Specifications/DiscoverablePartitionsSpec/ ARM 32bit: 69dad710-2ce4-4e3c-b16c-21a1d49abed3 ARM 64bit: b921b045-1df0-41c3-af44-4c6f280d3fae Signed-off-by: Kever Yang Acked-by: Philipp Tomsich Reviewed-by: Philipp Tomsich --- include/configs/rockchip-common.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/include/configs/rockchip-common.h b/include/configs/rockchip-common.h index 0573571..29a492d 100644 --- a/include/configs/rockchip-common.h +++ b/include/configs/rockchip-common.h @@ -28,6 +28,12 @@ #endif #define CONFIG_RANDOM_UUID + +#ifdef CONFIG_ARM64 +#define ROOT_UUID "B921B045-1DF0-41C3-AF44-4C6F280D3FAE;\0" +#else +#define ROOT_UUID "69DAD710-2CE4-4E3C-B16C-21A1D49ABED3;\0" +#endif #define PARTS_DEFAULT \ "uuid_disk=${uuid_gpt_disk};" \ "name=loader1,start=32K,size=4000K,uuid=${uuid_gpt_loader1};" \ @@ -36,7 +42,7 @@ "name=loader2,size=4MB,uuid=${uuid_gpt_loader2};" \ "name=atf,size=4M,uuid=${uuid_gpt_atf};" \ "name=boot,size=112M,bootable,uuid=${uuid_gpt_boot};" \ - "name=rootfs,size=-,uuid=${uuid_gpt_rootfs};\0" \ + "name=rootfs,size=-,uuid="ROOT_UUID #endif -- 2.7.4