1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 31aae535a02a..2a7a0b27ac38 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -286,6 +286,16 @@ static struct nand_bbt_descr bbt_mirror_descr = {
         .pattern = bbt_mirror_pattern
 };
 
+static struct nand_ecclayout ecc_layout_2KB_bch4bit = {
+        .eccbytes = 32,
+        .eccpos = {
+                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 = { {2, 30} }
+};
+
 static struct nand_ecclayout ecc_layout_4KB_bch4bit = {
         .eccbytes = 64,
         .eccpos = {
@@ -1360,6 +1370,17 @@ static int pxa_ecc_init(struct pxa3xx_nand_info *info,
          * Required ECC: 4-bit correction per 512 bytes
          * Select: 16-bit correction per 2048 bytes
          */
+        } else if (strength == 4 && ecc_stepsize == 512 && page_size == 2048) {
+                info->ecc_bch = 1;
+                info->chunk_size = 2048;
+                info->spare_size = 32;
+                info->ecc_size = 32;
+                ecc->mode = NAND_ECC_HW;
+                ecc->size = info->chunk_size;
+                ecc->layout = &ecc_layout_2KB_bch4bit;
+                ecc->strength = 16;
+                return 1;
+
         } else if (strength == 4 && ecc_stepsize == 512 && page_size == 4096) {
                 info->ecc_bch = 1;
                 info->chunk_size = 2048;