diff --git a/configs/lschlv2_defconfig b/configs/lschlv2_defconfig
index d5cd0d5..f4ffb9c 100644
--- a/configs/lschlv2_defconfig
+++ b/configs/lschlv2_defconfig
@@ -3,6 +3,9 @@
 CONFIG_SYS_DCACHE_OFF=y
 CONFIG_ARCH_CPU_INIT=y
 CONFIG_ARCH_KIRKWOOD=y
+CONFIG_SUPPORT_PASSING_ATAGS=y
+CONFIG_CMDLINE_TAG=y
+CONFIG_INITRD_TAG=y
 CONFIG_SYS_KWD_CONFIG="board/buffalo/lsxl/kwbimage-lschl.cfg"
 CONFIG_SYS_TEXT_BASE=0x600000
 CONFIG_SYS_MALLOC_F_LEN=0x400
diff --git a/configs/lsxhl_defconfig b/configs/lsxhl_defconfig
index 8f0672b..e8fb87d 100644
--- a/configs/lsxhl_defconfig
+++ b/configs/lsxhl_defconfig
@@ -3,6 +3,9 @@
 CONFIG_SYS_DCACHE_OFF=y
 CONFIG_ARCH_CPU_INIT=y
 CONFIG_ARCH_KIRKWOOD=y
+CONFIG_SUPPORT_PASSING_ATAGS=y
+CONFIG_CMDLINE_TAG=y
+CONFIG_INITRD_TAG=y
 CONFIG_SYS_KWD_CONFIG="board/buffalo/lsxl/kwbimage-lsxhl.cfg"
 CONFIG_SYS_TEXT_BASE=0x600000
 CONFIG_SYS_MALLOC_F_LEN=0x400