diff --git a/configs/P1020RDB-PC_SPIFLASH_defconfig b/configs/P1020RDB-PC_SPIFLASH_defconfig
index e0fa983..765a1dc 100644
--- a/configs/P1020RDB-PC_SPIFLASH_defconfig
+++ b/configs/P1020RDB-PC_SPIFLASH_defconfig
@@ -51,6 +51,15 @@
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_DM=y
 CONFIG_DDR_CLK_FREQ=66666666
+CONFIG_SYS_BR0_PRELIM_BOOL=y
+CONFIG_SYS_BR0_PRELIM=0xEF001001
+CONFIG_SYS_OR0_PRELIM=0xFC000FF7
+CONFIG_SYS_BR2_PRELIM_BOOL=y
+CONFIG_SYS_BR2_PRELIM=0xFFB00801
+CONFIG_SYS_OR2_PRELIM=0xFFFE09FF
+CONFIG_SYS_BR3_PRELIM_BOOL=y
+CONFIG_SYS_BR3_PRELIM=0xFFA00801
+CONFIG_SYS_OR3_PRELIM=0xFFF009F7
 CONFIG_DM_I2C=y
 CONFIG_SPL_SYS_I2C_LEGACY=y
 CONFIG_I2C_SET_DEFAULT_BUS_NUM=y