diff --git a/arch/arm/mach-rockchip/rk322x/Kconfig b/arch/arm/mach-rockchip/rk322x/Kconfig
index 60e99a7..9d734c3 100644
--- a/arch/arm/mach-rockchip/rk322x/Kconfig
+++ b/arch/arm/mach-rockchip/rk322x/Kconfig
@@ -12,7 +12,7 @@
 	default "rk322x"
 
 config SYS_MALLOC_F_LEN
-	default 0x400
+	default 0x800
 
 config SPL_SERIAL_SUPPORT
 	default y
diff --git a/configs/evb-rk3229_defconfig b/configs/evb-rk3229_defconfig
index 31c1b17..6447e18 100644
--- a/configs/evb-rk3229_defconfig
+++ b/configs/evb-rk3229_defconfig
@@ -3,7 +3,6 @@
 CONFIG_SYS_TEXT_BASE=0x61000000
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
-CONFIG_SYS_MALLOC_F_LEN=0x800
 CONFIG_ROCKCHIP_RK322X=y
 CONFIG_TPL_LDSCRIPT="arch/arm/mach-rockchip/u-boot-tpl.lds"
 CONFIG_ROCKCHIP_SPL_RESERVE_IRAM=0x0