+ * NAND-FLASH related
+ *----------------------------------------------------------------------*/
+#define NAND_CMD_REG (0x00) /* NandFlash Command Register */
+#define NAND_ADDR_REG (0x04) /* NandFlash Address Register */
+#define NAND_DATA_REG (0x08) /* NandFlash Data Register */
+#define NAND_ECC0_REG (0x10) /* NandFlash ECC Register0 */
+#define NAND_ECC1_REG (0x14) /* NandFlash ECC Register1 */
+#define NAND_ECC2_REG (0x18) /* NandFlash ECC Register2 */
+#define NAND_ECC3_REG (0x1C) /* NandFlash ECC Register3 */
+#define NAND_ECC4_REG (0x20) /* NandFlash ECC Register4 */
+#define NAND_ECC5_REG (0x24) /* NandFlash ECC Register5 */
+#define NAND_ECC6_REG (0x28) /* NandFlash ECC Register6 */
+#define NAND_ECC7_REG (0x2C) /* NandFlash ECC Register7 */
+#define NAND_CR0_REG (0x30) /* NandFlash Device Bank0 Config Register */
+#define NAND_CR1_REG (0x34) /* NandFlash Device Bank1 Config Register */
+#define NAND_CR2_REG (0x38) /* NandFlash Device Bank2 Config Register */
+#define NAND_CR3_REG (0x3C) /* NandFlash Device Bank3 Config Register */
+#define NAND_CCR_REG (0x40) /* NandFlash Core Configuration Register */
+#define NAND_STAT_REG (0x44) /* NandFlash Device Status Register */
+#define NAND_HWCTL_REG (0x48) /* NandFlash Direct Hwd Control Register */
+#define NAND_REVID_REG (0x50) /* NandFlash Core Revision Id Register */
+
+/* Nand Flash K9F1208U0A Command Set => Nand Flash 0 */
+#define NAND0_CMD_READ1_HALF1 0x00 /* Starting addr for 1rst half of registers */
+#define NAND0_CMD_READ1_HALF2 0x01 /* Starting addr for 2nd half of registers */
+#define NAND0_CMD_READ2 0x50
+#define NAND0_CMD_READ_ID 0x90
+#define NAND0_CMD_READ_STATUS 0x70
+#define NAND0_CMD_RESET 0xFF
+#define NAND0_CMD_PAGE_PROG 0x80
+#define NAND0_CMD_PAGE_PROG_TRUE 0x10
+#define NAND0_CMD_PAGE_PROG_DUMMY 0x11
+#define NAND0_CMD_BLOCK_ERASE 0x60
+#define NAND0_CMD_BLOCK_ERASE_END 0xD0
+
+#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
+#define SECTORSIZE 512
+
+#define ADDR_COLUMN 1
+#define ADDR_PAGE 2
+#define ADDR_COLUMN_PAGE 3
+
+#define NAND_ChipID_UNKNOWN 0x00
+#define NAND_MAX_FLOORS 1
+#define NAND_MAX_CHIPS 1
+
+#define WRITE_NAND_COMMAND(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_CMD_REG) = d;} while(0)
+#define WRITE_NAND_ADDRESS(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_ADDR_REG) = d;} while(0)
+#define WRITE_NAND(d, adr) do {*(volatile u8 *)((ulong)adr+NAND_DATA_REG) = d;} while(0)
+#define READ_NAND(adr) (*(volatile u8 *)((ulong)adr+NAND_DATA_REG))
+#define NAND_WAIT_READY(nand) while (!(*(volatile u8 *)((ulong)nand->IO_ADDR+NAND_STAT_REG) & 0x01))
+
+/* not needed with 440EP NAND controller */
+#define NAND_CTL_CLRALE(nandptr)
+#define NAND_CTL_SETALE(nandptr)
+#define NAND_CTL_CLRCLE(nandptr)
+#define NAND_CTL_SETCLE(nandptr)
+#define NAND_DISABLE_CE(nand)
+#define NAND_ENABLE_CE(nand)
+
+/*-----------------------------------------------------------------------