diff --git a/configs/nanopc-t4-rk3399_defconfig b/configs/nanopc-t4-rk3399_defconfig
index 37df3f3..7863e45 100644
--- a/configs/nanopc-t4-rk3399_defconfig
+++ b/configs/nanopc-t4-rk3399_defconfig
@@ -5,7 +5,7 @@
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_SYS_MALLOC_F_LEN=0x4000
 CONFIG_ROCKCHIP_RK3399=y
-CONFIG_ROCKCHIP_SPL_RESERVE_IRAM=0x4000
+CONFIG_ROCKCHIP_SPL_RESERVE_IRAM=0x50000
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_SPL_STACK_R_ADDR=0x80000
 CONFIG_DEBUG_UART_BASE=0xFF1A0000
@@ -14,9 +14,9 @@
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-nanopc-t4.dtb"
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
-CONFIG_SPL_TEXT_BASE=0xff8c2000
 CONFIG_SPL_STACK_R=y
-CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x4000
+CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x10000
+CONFIG_TPL=y
 CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_GPT=y
 CONFIG_CMD_MMC=y
@@ -56,4 +56,5 @@
 CONFIG_USB_ETHER_RTL8152=y
 CONFIG_USB_ETHER_SMSC95XX=y
 CONFIG_USE_TINY_PRINTF=y
+CONFIG_SPL_TINY_MEMSET=y
 CONFIG_ERRNO_STR=y