diff --git a/configs/crs305-1g-4s-bit_defconfig b/configs/crs305-1g-4s-bit_defconfig
index 095f702..01e784e 100644
--- a/configs/crs305-1g-4s-bit_defconfig
+++ b/configs/crs305-1g-4s-bit_defconfig
@@ -11,6 +11,8 @@
 CONFIG_BOOTCOUNT_BOOTLIMIT=3
 CONFIG_SYS_LOAD_ADDR=0x800000
 CONFIG_BUILD_TARGET="u-boot.kwb"
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0xff0000
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_FIT_BEST_MATCH=y