--- a/arch/mips/rb532/devices.c +++ b/arch/mips/rb532/devices.c @@ -119,6 +119,19 @@ 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); @@ -277,6 +290,16 @@ 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) { @@ -296,6 +319,8 @@ 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; }