#define RV515_MC_FB_LOCATION 0x01
#define RV515_MC_AGP_LOCATION 0x02
+#define RV515_MC_AGP_BASE 0x03
+#define RV515_MC_AGP_BASE_2 0x04
#define R520_MC_FB_LOCATION 0x04
#define R520_MC_AGP_LOCATION 0x05
+#define R520_MC_AGP_BASE 0x06
+#define R520_MC_AGP_BASE_2 0x07
#define RADEON_MPP_TB_CONFIG 0x01c0
#define RADEON_MEM_CNTL 0x0140