diff --git a/configs/axm_defconfig b/configs/axm_defconfig
index 2f6b332..b611511 100644
--- a/configs/axm_defconfig
+++ b/configs/axm_defconfig
@@ -44,6 +44,10 @@
 CONFIG_SPL_SYS_MALLOC_SIMPLE=y
 # CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
 CONFIG_SPL_STACK=0x304000
+CONFIG_SYS_SPL_MALLOC=y
+CONFIG_HAS_CUSTOM_SPL_MALLOC_START=y
+CONFIG_CUSTOM_SYS_SPL_MALLOC_ADDR=0x20ba0000
+CONFIG_SYS_SPL_MALLOC_SIZE=0x460000
 CONFIG_SPL_CRC32=y
 CONFIG_SPL_NAND_SUPPORT=y
 CONFIG_SPL_NAND_RAW_ONLY=y