[MTD] [NAND] Add support for 4KiB pages.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 0793ca3..facee26 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -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);
@@ -2638,6 +2652,9 @@
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);
@@ -2767,6 +2784,7 @@
break;
case 4:
case 8:
+ case 16:
mtd->subpage_sft = 2;
break;
}
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index db5b63d..7efb9be 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -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