diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/raw/nand_spl_loaders.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/nand_spl_loaders.c b/drivers/mtd/nand/raw/nand_spl_loaders.c index 177c12b581..4befc75c04 100644 --- a/drivers/mtd/nand/raw/nand_spl_loaders.c +++ b/drivers/mtd/nand/raw/nand_spl_loaders.c @@ -41,6 +41,34 @@ int nand_spl_load_image(uint32_t offs, unsigned int size, void *dst) return 0; } +/** + * nand_spl_adjust_offset - Adjust offset from a starting sector + * @sector: Address of the sector + * @offs: Offset starting from @sector + * + * If one or more bad blocks are in the address space between @sector + * and @sector + @offs, @offs is increased by the NAND block size for + * each bad block found. + */ +u32 nand_spl_adjust_offset(u32 sector, u32 offs) +{ + unsigned int block, lastblock; + + block = sector / CONFIG_SYS_NAND_BLOCK_SIZE; + lastblock = (sector + offs) / CONFIG_SYS_NAND_BLOCK_SIZE; + + while (block <= lastblock) { + if (nand_is_bad_block(block)) { + offs += CONFIG_SYS_NAND_BLOCK_SIZE; + lastblock++; + } + + block++; + } + + return offs; +} + #ifdef CONFIG_SPL_UBI /* * Temporary storage for non NAND page aligned and non NAND page sized |