[U-Boot-Users] [PATCH 2/7 v6] nand_spl: Support page-aligned read in nand_load, use chipselect
Scott Wood
scottwood at freescale.com
Thu Aug 7 00:54:25 CEST 2008
On Wed, Aug 06, 2008 at 09:42:07PM +0200, Guennadi Liakhovetski wrote:
> block = offs / CFG_NAND_BLOCK_SIZE;
> + blocks = (uboot_size + offs - ((block - 1) * CFG_NAND_BLOCK_SIZE) - 1) /
> + CFG_NAND_BLOCK_SIZE;
> blockcopy_count = 0;
>
> - while (blockcopy_count < (uboot_size / CFG_NAND_BLOCK_SIZE)) {
> + while (blockcopy_count < blocks) {
> if (!nand_is_bad_block(mtd, block)) {
> /*
> * Skip bad blocks
> */
> for (page = 0; page < CFG_NAND_PAGE_COUNT; page++) {
> nand_read_page(mtd, block, page, dst);
> - dst += CFG_NAND_PAGE_SIZE;
> + /* Overwrite skipped pages */
> + if (read >= offs)
> + dst += CFG_NAND_PAGE_SIZE;
> + read += CFG_NAND_PAGE_SIZE;
This looks wrong if offs isn't within the first block.
I've pushed a fixed and simplified version to nand-flash/testing -- can
you test it?
-Scott
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