[U-Boot] [PATCH 7/7] board:samsung:trats2: enable boot with appended and separated DTB

[Piotr Wilczek]

This patch adds variables describing platform (soc, board, vendor)
to default environment and Samsung's common misc initialisation
to provide additional board information in envs.

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 at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
 include/configs/trats2.h |   13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/include/configs/trats2.h b/include/configs/trats2.h
index 7dfbe98..9d1b461 100644
--- a/include/configs/trats2.h
+++ b/include/configs/trats2.h
@@ -150,6 +150,9 @@
 #define CONFIG_SYS_CONSOLE_INFO_QUIET
 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
 
+#define CONFIG_ENV_VARS_UBOOT_CONFIG
+#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+
 /* Tizen - partitions definitions */
 #define PARTS_CSA		"csa"
 #define PARTS_BOOT		"boot"
@@ -177,7 +180,11 @@
 
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"bootk=" \
-		"run loaddtb; run loaduimage; bootm 0x40007FC0 - ${fdtaddr}\0" \
+		"run loaduimage;" \
+		"if run loaddtb; then " \
+			"bootm 0x40007FC0 - ${fdtaddr};" \
+		"fi;" \
+		"bootm 0x40007FC0;\0" \
 	"updatemmc=" \
 		"mmc boot 0 1 1 1; mmc write 0x42008000 0 0x200;" \
 		"mmc boot 0 1 1 0\0" \
@@ -191,7 +198,7 @@
 	"mmcboot=" \
 		"setenv bootargs root=/dev/mmcblk${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" \
@@ -232,7 +239,6 @@
 		   "setenv spl_imgaddr;" \
 		   "setenv spl_addr_tmp;\0" \
 	"fdtaddr=40800000\0" \
-	"fdtfile=exynos4412-trats2.dtb\0"
 
 /*
  * Miscellaneous configurable options
@@ -272,6 +278,7 @@
 #define CONFIG_EFI_PARTITION
 #define CONFIG_PARTITION_UUIDS
 
+#define CONFIG_MISC_INIT_R
 #define CONFIG_BOARD_EARLY_INIT_F
 
 /* I2C */
-- 
1.7.9.5