+#define SZ_32M 0x02000000
+#define RAM_BANK0_BASE CSD0_BASE_ADDR
+#define RAM_BANK1_BASE CSD1_BASE_ADDR
+#if SDRAM_SIZE > SZ_32M
+#define RAM_BANK0_SIZE (SDRAM_SIZE / 2)
+#define RAM_BANK1_SIZE (SDRAM_SIZE / 2)
+#else
+#define RAM_BANK0_SIZE SDRAM_SIZE
+#endif
+#define TX25_SDRAM_SIZE SDRAM_SIZE
+