-/* local bus read write buffer mapping */
-#define CONFIG_SYS_BR3_PRELIM 0xFA000801 /* map at 0xFA000000 */
-#define CONFIG_SYS_OR3_PRELIM 0xFFFF8FF7 /* 32kB */
-#define CONFIG_SYS_LBLAWBAR3_PRELIM 0xFA000000
-#define CONFIG_SYS_LBLAWAR3_PRELIM 0x8000000E /* 32KB */
+/* local bus write LED / read status buffer (BCSR) mapping */
+#define CONFIG_SYS_BCSR_ADDR 0xFA000000
+#define CONFIG_SYS_BCSR_SIZE (32 * 1024) /* 0x00008000 */
+ /* map at 0xFA000000 on LCS3 */
+#define CONFIG_SYS_BR3_PRELIM (CONFIG_SYS_BCSR_ADDR \
+ | BR_PS_8 /* 8 bit port */ \
+ | BR_MS_GPCM /* MSEL = GPCM */ \
+ | BR_V) /* valid */
+ /* 0xFA000801 */
+#define CONFIG_SYS_OR3_PRELIM (P2SZ_TO_AM(CONFIG_SYS_BCSR_SIZE) \
+ | OR_GPCM_CSNT \
+ | OR_GPCM_ACS_DIV2 \
+ | OR_GPCM_XACS \
+ | OR_GPCM_SCY_15 \
+ | OR_GPCM_TRLX_SET \
+ | OR_GPCM_EHTR_SET \
+ | OR_GPCM_EAD)
+ /* 0xFFFF8FF7 */
+#define CONFIG_SYS_LBLAWBAR3_PRELIM CONFIG_SYS_BCSR_ADDR
+#define CONFIG_SYS_LBLAWAR3_PRELIM (LBLAWAR_EN | LBLAWAR_32KB)