This patch modifies envs to enable dual kernel boot - with separated DTB if the DTB file is loaded successfully; - with DTB apppended to uImage if DTB file is not found; This is neccesssary for backward compatibilty.
Signed-off-by: Piotr Wilczek p.wilczek@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com Cc: Lukasz Majewski l.majewski@samsung.com --- Changes for V2: - squashed separated patches for Trats and Trats2 inito one
include/configs/trats.h | 9 ++++++--- include/configs/trats2.h | 9 ++++++--- 2 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/include/configs/trats.h b/include/configs/trats.h index 18b4e2f..7bd1584 100644 --- a/include/configs/trats.h +++ b/include/configs/trats.h @@ -154,7 +154,11 @@
#define CONFIG_EXTRA_ENV_SETTINGS \ "bootk=" \ - "run loaddtb; run loaduimage; bootm 0x40007FC0 - ${fdtaddr}\0" \ + "run loaduimage;" \ + "if run loaddtb; then " \ + "bootm 0x40007FC0 - ${fdtaddr};" \ + "fi;" \ + "bootm 0x40007FC0;\0" \ "updatemmc=" \ "mmc boot 0 1 1 1; mmc write 0 0x42008000 0 0x200;" \ "mmc boot 0 1 1 0\0" \ @@ -177,7 +181,7 @@ "mmcboot=" \ "setenv bootargs root=/dev/mmcblk${mmcdev}p${mmcrootpart} " \ "${lpj} rootwait ${console} ${meminfo} ${opts} ${lcdinfo}; " \ - "run loaddtb; run loaduimage; bootm 0x40007FC0 - ${fdtaddr}\0" \ + "run bootk\0" \ "bootchart=setenv opts init=/sbin/bootchartd; run bootcmd\0" \ "boottrace=setenv opts initcall_debug; run bootcmd\0" \ "mmcoops=mmc read 0 0x40000000 0x40 8; md 0x40000000 0x400\0" \ @@ -216,7 +220,6 @@ "setenv spl_imgaddr;" \ "setenv spl_addr_tmp;\0" \ "fdtaddr=40800000\0" \ - "fdtfile=exynos4210-trats.dtb\0"
/* Miscellaneous configurable options */ diff --git a/include/configs/trats2.h b/include/configs/trats2.h index 7daa445..28270fe 100644 --- a/include/configs/trats2.h +++ b/include/configs/trats2.h @@ -180,7 +180,11 @@
#define CONFIG_EXTRA_ENV_SETTINGS \ "bootk=" \ - "run loaddtb; run loaduimage; bootm 0x40007FC0 - ${fdtaddr}\0" \ + "run loaduimage;" \ + "if run loaddtb; then " \ + "bootm 0x40007FC0 - ${fdtaddr};" \ + "fi;" \ + "bootm 0x40007FC0;\0" \ "updatemmc=" \ "mmc boot 0 1 1 1; mmc write 0x42008000 0 0x200;" \ "mmc boot 0 1 1 0\0" \ @@ -194,7 +198,7 @@ "mmcboot=" \ "setenv bootargs root=/dev/mmcblk${mmcdev}p${mmcrootpart} " \ "${lpj} rootwait ${console} ${meminfo} ${opts} ${lcdinfo}; " \ - "run loaddtb; run loaduimage; bootm 0x40007FC0 - ${fdtaddr}\0" \ + "run bootk\0" \ "bootchart=set opts init=/sbin/bootchartd; run bootcmd\0" \ "boottrace=setenv opts initcall_debug; run bootcmd\0" \ "verify=n\0" \ @@ -235,7 +239,6 @@ "setenv spl_imgaddr;" \ "setenv spl_addr_tmp;\0" \ "fdtaddr=40800000\0" \ - "fdtfile=exynos4412-trats2.dtb\0"
/* * Miscellaneous configurable options