diff --git a/configs/M5253DEMO_defconfig b/configs/M5253DEMO_defconfig
index 67f9875..348f525 100644
--- a/configs/M5253DEMO_defconfig
+++ b/configs/M5253DEMO_defconfig
@@ -20,6 +20,14 @@
 CONFIG_MAC_PARTITION=y
 CONFIG_ENV_ADDR=0xFF804000
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SYS_IDE_MAXBUS=1
+CONFIG_SYS_ATA_STRIDE=4
+CONFIG_SYS_ATA_DATA_OFFSET=0xA0
+CONFIG_SYS_ATA_REG_OFFSET=0xA0
+CONFIG_SYS_ATA_ALT_OFFSET=0xC0
+CONFIG_SYS_ATA_IDE0_OFFSET=0
+CONFIG_ATAPI=y
+CONFIG_IDE_RESET=y
 CONFIG_SYS_I2C_LEGACY=y
 CONFIG_SYS_I2C_FSL=y
 CONFIG_SYS_FSL_I2C_OFFSET=0x280