diff options
Diffstat (limited to 'target/linux/rb532/patches-3.3/002-rb532_nand_fixup.patch')
| -rw-r--r-- | target/linux/rb532/patches-3.3/002-rb532_nand_fixup.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/target/linux/rb532/patches-3.3/002-rb532_nand_fixup.patch b/target/linux/rb532/patches-3.3/002-rb532_nand_fixup.patch new file mode 100644 index 000000000..d127979d2 --- /dev/null +++ b/target/linux/rb532/patches-3.3/002-rb532_nand_fixup.patch @@ -0,0 +1,48 @@ +--- a/arch/mips/rb532/devices.c ++++ b/arch/mips/rb532/devices.c +@@ -139,6 +139,19 @@ static struct platform_device cf_slot0 = + }; + + /* Resources and device for NAND */ ++ ++/* ++ * 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 rb532_nand_ecclayout = { ++ .eccbytes = 6, ++ .eccpos = { 8, 9, 10, 13, 14, 15 }, ++ .oobavail = 9, ++ .oobfree = { { 0, 4 }, { 6, 2 }, { 11, 2 }, { 4, 1 } } ++}; ++ + static int rb532_dev_ready(struct mtd_info *mtd) + { + return gpio_get_value(GPIO_RDY); +@@ -274,6 +287,16 @@ static void __init parse_mac_addr(char * + /* NAND definitions */ + #define NAND_CHIP_DELAY 25 + ++static int rb532_nand_fixup(struct mtd_info *mtd) ++{ ++ struct nand_chip *chip = mtd->priv; ++ ++ if (mtd->writesize == 512) ++ chip->ecc.layout = &rb532_nand_ecclayout; ++ ++ return 0; ++} ++ + static void __init rb532_nand_setup(void) + { + switch (mips_machtype) { +@@ -293,6 +316,8 @@ static void __init rb532_nand_setup(void + rb532_nand_data.chip.partitions = rb532_partition_info; + rb532_nand_data.chip.chip_delay = NAND_CHIP_DELAY; + rb532_nand_data.chip.options = NAND_NO_AUTOINCR; ++ ++ rb532_nand_data.chip.chip_fixup = &rb532_nand_fixup; + } + + |