Add the rbmipsnand fix from #1778

[openwrt.git] / target / linux / adm5120-2.6 / files / drivers / mtd / nand / rbmipsnand.c

diff --git a/target/linux/adm5120-2.6/files/drivers/mtd/nand/rbmipsnand.c b/target/linux/adm5120-2.6/files/drivers/mtd/nand/rbmipsnand.c
index caecd50..c687dcd 100644 (file)
--- a/target/linux/adm5120-2.6/files/drivers/mtd/nand/rbmipsnand.c
+++ b/target/linux/adm5120-2.6/files/drivers/mtd/nand/rbmipsnand.c
@@ -66,7 +66,17 @@ static struct mtd_partition partition_info[] = {
 
 static struct mtd_info rmtd;
 static struct nand_chip rnand;
-
+/*========================================================================*/
+/* 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.                                          */ 
+/*========================================================================*/
+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} }
+};
 static unsigned init_ok = 0;
 
 unsigned get_rbnand_block_size(void) {
@@ -93,6 +103,7 @@ int __init rbmips_init(void) {
                return -ENXIO;
        }
        rnand.ecc.mode = NAND_ECC_SOFT;
+       rnand.ecc.layout = &rb_ecclayout;
        rnand.chip_delay = 25;
        rnand.options |= NAND_NO_AUTOINCR;
        rmtd.priv = &rnand;