#include <asm/io.h>
#include <asm/arch/kirkwood.h>
#include <nand.h>
+#include <linux/mtd/nand_ecc.h>
+
+#ifndef CONFIG_NAND_ECC_ALGO
+#define CONFIG_NAND_ECC_ALGO NAND_ECC_SOFT
+#endif
/* NAND Flash Soc registers */
struct kwnandf_registers {
writel(data, &nf_reg->ctrl);
}
+#ifdef CONFIG_NAND_ECC_SOFT_RS
+static struct nand_ecclayout kw_nand_oob_rs = {
+ .eccbytes = 40,
+ .eccpos = {
+ 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
+ 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
+ 44, 45, 46, 47, 48, 49, 50, 51, 52, 53,
+ 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
+ },
+ .oobfree = {
+ { .offset = 2, .length = 22, },
+ },
+};
+#endif
+
int board_nand_init(struct nand_chip *nand)
{
nand->options = NAND_COPYBACK | NAND_CACHEPRG | NAND_NO_PADDING;
+#ifndef CONFIG_NAND_ECC_SOFT_RS
nand->ecc.mode = NAND_ECC_SOFT;
+#else
+ nand->ecc.mode = NAND_ECC_SOFT_RS;
+ nand->ecc.layout = &kw_nand_oob_rs;
+ nand->ecc.size = 512;
+ nand->ecc.bytes = 10;
+#endif
nand->cmd_ctrl = kw_nand_hwcontrol;
nand->chip_delay = 40;
nand->select_chip = kw_nand_select_chip;