-#define XGI_DATA_BUS_MASK 0x02
-#define XGI_DATA_BUS_64 0x00
-#define XGI_DATA_BUS_128 0x01
-#define XGI_DUAL_CHANNEL_MASK 0x0C
-#define XGI_SINGLE_CHANNEL_1_RANK 0x0
-#define XGI_SINGLE_CHANNEL_2_RANK 0x1
-#define XGI_ASYM_DDR 0x02
-#define XGI_DUAL_CHANNEL_1_RANK 0x3
-
-#define XGI550_DRAM_SIZE_MASK 0x3F /* 550/650/740 SR14 */
-#define XGI550_DRAM_SIZE_4MB 0x00
-#define XGI550_DRAM_SIZE_8MB 0x01
-#define XGI550_DRAM_SIZE_16MB 0x03
-#define XGI550_DRAM_SIZE_24MB 0x05
-#define XGI550_DRAM_SIZE_32MB 0x07
-#define XGI550_DRAM_SIZE_64MB 0x0F
-#define XGI550_DRAM_SIZE_96MB 0x17
-#define XGI550_DRAM_SIZE_128MB 0x1F
-#define XGI550_DRAM_SIZE_256MB 0x3F
-
-#define XGI_SCRATCH_REG_1A_MASK 0x10