+static struct nand_ecclayout rb_ecclayout = {
+ .eccbytes = 6,
+ .eccpos = { 8, 9, 10, 13, 14, 15 },
+ .oobavail = 9,
+ .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1} }
+};
+
+struct adm5120_nand_info {
+ struct nand_chip chip;
+ struct mtd_info mtd;
+ void __iomem *io_base;
+#ifdef CONFIG_MTD_PARTITIONS
+ int nr_parts;
+ struct mtd_partition *parts;
+#endif
+};
+
+static int rb100_dev_ready(struct mtd_info *mtd)
+{
+ return SMEM1(NAND_STS_REG) & 0x80;
+}
+
+static void rbmips_hwcontrol100(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+ struct nand_chip *chip = mtd->priv;
+ if (ctrl & NAND_CTRL_CHANGE)
+ {
+ SMEM1((( ctrl & NAND_CLE) ? NAND_SET_CLE : NAND_CLR_CLE)) = 0x01;
+ SMEM1((( ctrl & NAND_ALE) ? NAND_SET_ALE : NAND_CLR_ALE)) = 0x01;
+ SMEM1((( ctrl & NAND_NCE) ? NAND_SET_CEn : NAND_CLR_CEn)) = 0x01;
+ }
+ if (cmd != NAND_CMD_NONE)
+ writeb( cmd, chip->IO_ADDR_W);
+}
+
+/*========================================================================*/
+/* We need to use the OLD Yaffs-1 OOB layout, otherwise the RB bootloader */
+/* will not be able to find the kernel that we load. So set the oobinfo */
+/* when creating the partitions. */
+/*========================================================================*/