diff --git a/configs/apalis-tk1_defconfig b/configs/apalis-tk1_defconfig
index 7fa6161..baab3bf 100644
--- a/configs/apalis-tk1_defconfig
+++ b/configs/apalis-tk1_defconfig
@@ -4,6 +4,7 @@
 CONFIG_TEXT_BASE=0x80110000
 CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="apalis-tk1"
 CONFIG_ENV_SIZE=0x2000
 CONFIG_ENV_OFFSET=0xFFFFDE00
 CONFIG_DEFAULT_DEVICE_TREE="tegra124-apalis"
@@ -19,7 +20,7 @@
 CONFIG_FIT_VERBOSE=y
 CONFIG_BOOTDELAY=1
 CONFIG_OF_SYSTEM_SETUP=y
-CONFIG_BOOTCOMMAND="setenv fdtfile ${soc}-${fdt_module}-${fdt_board}.dtb && run distro_bootcmd"
+CONFIG_BOOTCOMMAND="setenv fdtfile ${soc}-${fdt_module}-${fdt_board}.dtb && bootflow scan"
 CONFIG_SYS_CBSIZE=1024
 CONFIG_SYS_PBSIZE=1054
 CONFIG_CONSOLE_MUX=y
diff --git a/configs/apalis_t30_defconfig b/configs/apalis_t30_defconfig
index d7da23e..963b280 100644
--- a/configs/apalis_t30_defconfig
+++ b/configs/apalis_t30_defconfig
@@ -4,6 +4,7 @@
 CONFIG_TEXT_BASE=0x80110000
 CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="apalis_t30"
 CONFIG_ENV_SIZE=0x2000
 CONFIG_ENV_OFFSET=0xFFFFDE00
 CONFIG_DEFAULT_DEVICE_TREE="tegra30-apalis"
diff --git a/configs/cardhu_defconfig b/configs/cardhu_defconfig
index 7d88a25..3fca1ae 100644
--- a/configs/cardhu_defconfig
+++ b/configs/cardhu_defconfig
@@ -4,6 +4,7 @@
 CONFIG_ARCH_TEGRA=y
 CONFIG_TEXT_BASE=0x80110000
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="cardhu"
 CONFIG_SF_DEFAULT_SPEED=24000000
 CONFIG_ENV_SIZE=0x2000
 CONFIG_ENV_OFFSET=0xFFFFE000
diff --git a/configs/colibri_t20_defconfig b/configs/colibri_t20_defconfig
index 67456c8..a1a12e2 100644
--- a/configs/colibri_t20_defconfig
+++ b/configs/colibri_t20_defconfig
@@ -4,6 +4,7 @@
 CONFIG_TEXT_BASE=0x00110000
 CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="colibri_t20"
 CONFIG_ENV_SIZE=0x10000
 CONFIG_ENV_OFFSET=0x200000
 CONFIG_DEFAULT_DEVICE_TREE="tegra20-colibri"
diff --git a/configs/colibri_t30_defconfig b/configs/colibri_t30_defconfig
index 5044feb..3be175b 100644
--- a/configs/colibri_t30_defconfig
+++ b/configs/colibri_t30_defconfig
@@ -4,6 +4,7 @@
 CONFIG_TEXT_BASE=0x80110000
 CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="colibri_t30"
 CONFIG_ENV_SIZE=0x2000
 CONFIG_ENV_OFFSET=0xFFFFDE00
 CONFIG_DEFAULT_DEVICE_TREE="tegra30-colibri"
diff --git a/configs/endeavoru_defconfig b/configs/endeavoru_defconfig
index fddc3d8..f0c8ce1 100644
--- a/configs/endeavoru_defconfig
+++ b/configs/endeavoru_defconfig
@@ -5,6 +5,7 @@
 CONFIG_INITRD_TAG=y
 CONFIG_TEXT_BASE=0x80110000
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="endeavoru"
 CONFIG_ENV_SIZE=0x3000
 CONFIG_ENV_OFFSET=0xFFFFD000
 CONFIG_DEFAULT_DEVICE_TREE="tegra30-htc-endeavoru"
diff --git a/configs/grouper_common_defconfig b/configs/grouper_common_defconfig
index 7d8cb61..a7b7209 100644
--- a/configs/grouper_common_defconfig
+++ b/configs/grouper_common_defconfig
@@ -5,6 +5,7 @@
 CONFIG_INITRD_TAG=y
 CONFIG_TEXT_BASE=0x80110000
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="grouper"
 CONFIG_ENV_SIZE=0x3000
 CONFIG_ENV_OFFSET=0xFFFFD000
 CONFIG_DEFAULT_DEVICE_TREE="tegra30-asus-nexus7-grouper-E1565"
diff --git a/configs/ideapad-yoga-11_defconfig b/configs/ideapad-yoga-11_defconfig
index 4618c52..a9dd521 100644
--- a/configs/ideapad-yoga-11_defconfig
+++ b/configs/ideapad-yoga-11_defconfig
@@ -5,6 +5,7 @@
 CONFIG_INITRD_TAG=y
 CONFIG_TEXT_BASE=0x80110000
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="ideapad-yoga-11"
 CONFIG_ENV_SIZE=0x3000
 CONFIG_ENV_OFFSET=0xFFFFD000
 CONFIG_DEFAULT_DEVICE_TREE="tegra30-lenovo-ideapad-yoga-11"
diff --git a/configs/p2771-0000-000_defconfig b/configs/p2771-0000-000_defconfig
index 3554ba6..a125865 100644
--- a/configs/p2771-0000-000_defconfig
+++ b/configs/p2771-0000-000_defconfig
@@ -5,6 +5,7 @@
 CONFIG_ARCH_TEGRA=y
 CONFIG_TEXT_BASE=0x80080000
 CONFIG_NR_DRAM_BANKS=1026
+CONFIG_ENV_SOURCE_FILE="p2771-0000"
 CONFIG_ENV_SIZE=0x2000
 CONFIG_ENV_OFFSET=0xFFFFE000
 CONFIG_DEFAULT_DEVICE_TREE="tegra186-p2771-0000-000"
diff --git a/configs/p3450-0000_defconfig b/configs/p3450-0000_defconfig
index ac7ed8e..a002178 100644
--- a/configs/p3450-0000_defconfig
+++ b/configs/p3450-0000_defconfig
@@ -6,6 +6,7 @@
 CONFIG_TEXT_BASE=0x80080000
 CONFIG_SYS_MALLOC_LEN=0x2500000
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="p3450-0000"
 CONFIG_SF_DEFAULT_SPEED=24000000
 CONFIG_ENV_SIZE=0x2000
 CONFIG_ENV_OFFSET=0xFFFFE000
diff --git a/configs/qc750_defconfig b/configs/qc750_defconfig
index d0b07ee..58a3c83 100644
--- a/configs/qc750_defconfig
+++ b/configs/qc750_defconfig
@@ -5,6 +5,7 @@
 CONFIG_INITRD_TAG=y
 CONFIG_TEXT_BASE=0x80110000
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="qc750"
 CONFIG_ENV_SIZE=0x3000
 CONFIG_ENV_OFFSET=0xFFFFD000
 CONFIG_DEFAULT_DEVICE_TREE="tegra30-wexler-qc750"
diff --git a/configs/surface-rt_defconfig b/configs/surface-rt_defconfig
index dbb08ab..c1fd4a5 100644
--- a/configs/surface-rt_defconfig
+++ b/configs/surface-rt_defconfig
@@ -5,6 +5,7 @@
 CONFIG_INITRD_TAG=y
 CONFIG_TEXT_BASE=0x80110000
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="surface-rt"
 CONFIG_ENV_SIZE=0x3000
 CONFIG_ENV_OFFSET=0xFFFFD000
 CONFIG_DEFAULT_DEVICE_TREE="tegra30-microsoft-surface-rt"
diff --git a/configs/transformer_t20_defconfig b/configs/transformer_t20_defconfig
index f424ce8..df993c3 100644
--- a/configs/transformer_t20_defconfig
+++ b/configs/transformer_t20_defconfig
@@ -5,6 +5,7 @@
 CONFIG_INITRD_TAG=y
 CONFIG_TEXT_BASE=0x00110000
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="transformer-t20"
 CONFIG_ENV_SIZE=0x3000
 CONFIG_ENV_OFFSET=0xFFFFD000
 CONFIG_DEFAULT_DEVICE_TREE="tegra20-asus-tf101"
diff --git a/configs/transformer_t30_defconfig b/configs/transformer_t30_defconfig
index 1078403..11ea717 100644
--- a/configs/transformer_t30_defconfig
+++ b/configs/transformer_t30_defconfig
@@ -5,6 +5,7 @@
 CONFIG_INITRD_TAG=y
 CONFIG_TEXT_BASE=0x80110000
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_ENV_SOURCE_FILE="transformer-t30"
 CONFIG_ENV_SIZE=0x3000
 CONFIG_ENV_OFFSET=0xFFFFD000
 CONFIG_DEFAULT_DEVICE_TREE="tegra30-asus-tf201"