diff --git a/configs/khadas-edge-rk3399_defconfig b/configs/khadas-edge-rk3399_defconfig
index 701cfc6..78ac8ad 100644
--- a/configs/khadas-edge-rk3399_defconfig
+++ b/configs/khadas-edge-rk3399_defconfig
@@ -12,6 +12,8 @@
 CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_SYS_LOAD_ADDR=0x800800
 CONFIG_DEBUG_UART=y
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x300000
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-khadas-edge.dtb"
 CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_SPL_MAX_SIZE=0x2e000