diff options
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/omap_gpmc.c | 6 | ||||
| -rw-r--r-- | drivers/mtd/nand/sunxi_nand_spl.c | 26 |
2 files changed, 23 insertions, 9 deletions
diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c index 4372988ed2..4814fa202a 100644 --- a/drivers/mtd/nand/omap_gpmc.c +++ b/drivers/mtd/nand/omap_gpmc.c @@ -558,10 +558,10 @@ static int omap_correct_data_bch(struct mtd_info *mtd, uint8_t *dat, bit_pos = error_loc[count] % 8; if (byte_pos < SECTOR_BYTES) { dat[byte_pos] ^= 1 << bit_pos; - printf("nand: bit-flip corrected @data=%d\n", byte_pos); + debug("nand: bit-flip corrected @data=%d\n", byte_pos); } else if (byte_pos < error_max) { read_ecc[byte_pos - SECTOR_BYTES] ^= 1 << bit_pos; - printf("nand: bit-flip corrected @oob=%d\n", byte_pos - + debug("nand: bit-flip corrected @oob=%d\n", byte_pos - SECTOR_BYTES); } else { err = -EBADMSG; @@ -663,7 +663,7 @@ static int omap_correct_data_bch_sw(struct mtd_info *mtd, u_char *data, /* correct data only, not ecc bytes */ if (errloc[i] < 8*512) data[errloc[i]/8] ^= 1 << (errloc[i] & 7); - printf("corrected bitflip %u\n", errloc[i]); + debug("corrected bitflip %u\n", errloc[i]); #ifdef DEBUG puts("read_ecc: "); /* diff --git a/drivers/mtd/nand/sunxi_nand_spl.c b/drivers/mtd/nand/sunxi_nand_spl.c index 5985534e5f..b0e07aa2d0 100644 --- a/drivers/mtd/nand/sunxi_nand_spl.c +++ b/drivers/mtd/nand/sunxi_nand_spl.c @@ -356,18 +356,32 @@ static int nand_read_buffer(uint32_t offs, unsigned int size, void *dest, int nand_spl_load_image(uint32_t offs, unsigned int size, void *dest) { +#if CONFIG_SYS_NAND_U_BOOT_OFFS == CONFIG_SPL_PAD_TO + /* + * u-boot-dtb.bin appended to SPL, use syndrome (like the BROM does) + * and try different erase block sizes to find the backup. + */ const uint32_t boot_offsets[] = { 0 * 1024 * 1024 + CONFIG_SYS_NAND_U_BOOT_OFFS, 1 * 1024 * 1024 + CONFIG_SYS_NAND_U_BOOT_OFFS, 2 * 1024 * 1024 + CONFIG_SYS_NAND_U_BOOT_OFFS, 4 * 1024 * 1024 + CONFIG_SYS_NAND_U_BOOT_OFFS, }; - int i, syndrome; - - if (CONFIG_SYS_NAND_U_BOOT_OFFS == CONFIG_SPL_PAD_TO) - syndrome = 1; /* u-boot-dtb.bin appended to SPL */ - else - syndrome = 0; /* u-boot-dtb.bin on its own partition */ + const int syndrome = 1; +#else + /* + * u-boot-dtb.bin on its own partition, do not use syndrome, u-boot + * partition sits after 2 eraseblocks (spl, spl-backup), look for + * backup u-boot 1 erase block further. + */ + const uint32_t eraseblock_size = CONFIG_SYS_NAND_U_BOOT_OFFS / 2; + const uint32_t boot_offsets[] = { + CONFIG_SYS_NAND_U_BOOT_OFFS, + CONFIG_SYS_NAND_U_BOOT_OFFS + eraseblock_size, + }; + const int syndrome = 0; +#endif + int i; if (offs == CONFIG_SYS_NAND_U_BOOT_OFFS) { for (i = 0; i < ARRAY_SIZE(boot_offsets); i++) { |
