+#define PPC44x_MEM_SIZE_1G 0x40000000
+#define PPC44x_MEM_SIZE_2G 0x80000000
+
+/* 440SP memory controller DCRs */
+#define DCRN_MQ0_BS0BAS 0x40
+#define DCRN_MQ0_BS1BAS 0x41
+
+#define MQ0_CONFIG_SIZE_MASK 0x0000fff0
+#define MQ0_CONFIG_SIZE_8M 0x0000ffc0
+#define MQ0_CONFIG_SIZE_16M 0x0000ff80
+#define MQ0_CONFIG_SIZE_32M 0x0000ff00
+#define MQ0_CONFIG_SIZE_64M 0x0000fe00
+#define MQ0_CONFIG_SIZE_128M 0x0000fc00
+#define MQ0_CONFIG_SIZE_256M 0x0000f800
+#define MQ0_CONFIG_SIZE_512M 0x0000f000
+#define MQ0_CONFIG_SIZE_1G 0x0000e000
+#define MQ0_CONFIG_SIZE_2G 0x0000c000
+
+/* Internal SRAM Controller 440GX/440SP */
+#ifdef CONFIG_440SP
+#define DCRN_SRAM0_BASE 0x100
+#else /* 440GX */
+#define DCRN_SRAM0_BASE 0x000
+#endif