diff --git a/configs/M5272C3_defconfig b/configs/M5272C3_defconfig
index 3d32a6f..e46b097 100644
--- a/configs/M5272C3_defconfig
+++ b/configs/M5272C3_defconfig
@@ -20,6 +20,30 @@
 CONFIG_CMD_CACHE=y
 CONFIG_ENV_ADDR=0xFFE04000
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SYS_BR0_PRELIM_BOOL=y
+CONFIG_SYS_BR0_PRELIM=0xFFE00201
+CONFIG_SYS_OR0_PRELIM=0xFFE00014
+CONFIG_SYS_BR1_PRELIM_BOOL=y
+CONFIG_SYS_BR1_PRELIM=0x0
+CONFIG_SYS_OR1_PRELIM=0x0
+CONFIG_SYS_BR2_PRELIM_BOOL=y
+CONFIG_SYS_BR2_PRELIM=0x30000001
+CONFIG_SYS_OR2_PRELIM=0xFFF80000
+CONFIG_SYS_BR3_PRELIM_BOOL=y
+CONFIG_SYS_BR3_PRELIM=0x0
+CONFIG_SYS_OR3_PRELIM=0x0
+CONFIG_SYS_BR4_PRELIM_BOOL=y
+CONFIG_SYS_BR4_PRELIM=0x0
+CONFIG_SYS_OR4_PRELIM=0x0
+CONFIG_SYS_BR5_PRELIM_BOOL=y
+CONFIG_SYS_BR5_PRELIM=0x0
+CONFIG_SYS_OR5_PRELIM=0x0
+CONFIG_SYS_BR6_PRELIM_BOOL=y
+CONFIG_SYS_BR6_PRELIM=0x0
+CONFIG_SYS_OR6_PRELIM=0x0
+CONFIG_SYS_BR7_PRELIM_BOOL=y
+CONFIG_SYS_BR7_PRELIM=0x701
+CONFIG_SYS_OR7_PRELIM=0xFFC0007C
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_FLASH_CFI_DRIVER=y
 CONFIG_SYS_FLASH_PROTECTION=y