diff --git a/include/configs/tegra-common-post.h b/include/configs/tegra-common-post.h
index 9698c23..5d1d3dd 100644
--- a/include/configs/tegra-common-post.h
+++ b/include/configs/tegra-common-post.h
@@ -143,7 +143,6 @@
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	TEGRA_DEVICE_SETTINGS \
 	"fdt_load=0x01000000\0" \
-	"fdt_high=01100000\0" \
 	BOOTCMDS_COMMON
 
 /* overrides for SPL build here */
diff --git a/include/configs/tegra20-common.h b/include/configs/tegra20-common.h
index dc7444d..70c5cfb 100644
--- a/include/configs/tegra20-common.h
+++ b/include/configs/tegra20-common.h
@@ -171,6 +171,8 @@
 #define CONFIG_SYS_TEXT_BASE	0x0010c000
 #define CONFIG_SYS_SDRAM_BASE	PHYS_SDRAM_1
 
+#define CONFIG_SYS_BOOTMAPSZ	(256 << 20) /* 256M */
+
 #define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_STACKBASE
 #define CONFIG_SYS_INIT_RAM_SIZE	CONFIG_SYS_MALLOC_LEN
 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \