diff options
Diffstat (limited to 'drivers/mtd/nand/am335x_spl_bch.c')
| -rw-r--r-- | drivers/mtd/nand/am335x_spl_bch.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/mtd/nand/am335x_spl_bch.c b/drivers/mtd/nand/am335x_spl_bch.c index bf8b2ee..31c7825 100644 --- a/drivers/mtd/nand/am335x_spl_bch.c +++ b/drivers/mtd/nand/am335x_spl_bch.c @@ -173,7 +173,7 @@ static int nand_read_page(int block, int page, void *dst) int nand_spl_load_image(uint32_t offs, unsigned int size, void *dst) { unsigned int block, lastblock; - unsigned int page; + unsigned int page, page_offset; /* * offs has to be aligned to a page address! @@ -181,6 +181,7 @@ int nand_spl_load_image(uint32_t offs, unsigned int size, void *dst) block = offs / CONFIG_SYS_NAND_BLOCK_SIZE; lastblock = (offs + size - 1) / CONFIG_SYS_NAND_BLOCK_SIZE; page = (offs % CONFIG_SYS_NAND_BLOCK_SIZE) / CONFIG_SYS_NAND_PAGE_SIZE; + page_offset = offs % CONFIG_SYS_NAND_PAGE_SIZE; while (block <= lastblock) { if (!nand_is_bad_block(block)) { @@ -189,6 +190,18 @@ int nand_spl_load_image(uint32_t offs, unsigned int size, void *dst) */ while (page < CONFIG_SYS_NAND_PAGE_COUNT) { nand_read_page(block, page, dst); + /* + * When offs is not aligned to page address the + * extra offset is copied to dst as well. Copy + * the image such that its first byte will be + * at the dst. + */ + if (unlikely(page_offset)) { + memmove(dst, dst + page_offset, + CONFIG_SYS_NAND_PAGE_SIZE); + dst = (void *)((int)dst - page_offset); + page_offset = 0; + } dst += CONFIG_SYS_NAND_PAGE_SIZE; page++; } |