* Wolfgang Grandegger | 2009-03-25 11:48:37 [+0100]: >Signed-off-by: Ilya Yanok >Acked-by: Wolfgang Grandegger You seem to forgot a few bits (subpage_sft & max page size). I had this patch in my tree like for ever and forgot post it here. I did however merge the mtd-utils bits allready :) From: Thomas Gleixner Date: Wed, 12 Dec 2007 17:27:03 +0100 Subject: [PATCH 7/8] [PATCH] [MTD] Add support for 4k pages. Signed-off-by: Thomas Gleixner Signed-off-by: Sebastian Siewior --- drivers/mtd/nand/nand_base.c | 18 ++++++++++++++++++ include/linux/mtd/nand.h | 4 ++-- 2 files changed, 20 insertions(+), 2 deletions(-) Index: linux-2.6/drivers/mtd/nand/nand_base.c =================================================================== --- linux-2.6.orig/drivers/mtd/nand/nand_base.c 2009-03-30 12:47:55.673721571 +0200 +++ linux-2.6/drivers/mtd/nand/nand_base.c 2009-03-30 12:48:07.896719130 +0200 @@ -82,6 +82,20 @@ .length = 38}} }; +static struct nand_ecclayout nand_oob_128 = { + .eccbytes = 48, + .eccpos = { + 80, 81, 82, 83, 84, 85, 86, 87, + 88, 89, 90, 91, 92, 93, 94, 95, + 96, 97, 98, 99, 100, 101, 102, 103, + 104, 105, 106, 107, 108, 109, 110, 111, + 112, 113, 114, 115, 116, 117, 118, 119, + 120, 121, 122, 123, 124, 125, 126, 127}, + .oobfree = { + {.offset = 2, + .length = 78}} +}; + static int nand_get_device(struct nand_chip *chip, struct mtd_info *mtd, int new_state); @@ -2555,6 +2569,9 @@ case 64: chip->ecc.layout = &nand_oob_64; break; + case 128: + chip->ecc.layout = &nand_oob_128; + break; default: printk(KERN_WARNING "No oob scheme defined for " "oobsize %d\n", mtd->oobsize); @@ -2676,6 +2693,7 @@ break; case 4: case 8: + case 16: mtd->subpage_sft = 2; break; } Index: linux-2.6/include/linux/mtd/nand.h =================================================================== --- linux-2.6.orig/include/linux/mtd/nand.h 2009-03-30 12:47:55.673721571 +0200 +++ linux-2.6/include/linux/mtd/nand.h 2009-03-30 12:48:07.910718894 +0200 @@ -43,8 +43,8 @@ * is supported now. If you add a chip with bigger oobsize/page * adjust this accordingly. */ -#define NAND_MAX_OOBSIZE 64 -#define NAND_MAX_PAGESIZE 2048 +#define NAND_MAX_OOBSIZE 128 +#define NAND_MAX_PAGESIZE 4096 /* * Constants for hardware specific CLE/ALE/NCE function