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authorEnric Balletbo i Serra <eballetbo@iseebcn.com>2013-02-07 23:14:47 +0000
committerTom Rini <trini@ti.com>2013-03-08 16:41:14 -0500
commitf99613782a41dbf1b91c19684fe9556ed02ec6d1 (patch)
tree067f0e73fa21536c6ec2f10d1eb312352cf74e0d /drivers
parent66c7f399239e6c0ff5db1ea87c3c2a9a8ae613a1 (diff)
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SPL: ONENAND: Fix onenand_spl_load_image implementation.
Tested with an IGEPv2 board seems that current onenand_spl_load_image implementation doesn't work. This patch fixes this function changing the read loop and reading the onenand blocks from page to page. Tested with various IGEP based boards with a OneNAND from Numonyx. Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/onenand/onenand_spl.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/mtd/onenand/onenand_spl.c b/drivers/mtd/onenand/onenand_spl.c
index 50eaa71..4bec2c2 100644
--- a/drivers/mtd/onenand/onenand_spl.c
+++ b/drivers/mtd/onenand/onenand_spl.c
@@ -112,7 +112,7 @@ static int onenand_spl_read_page(uint32_t block, uint32_t page, uint32_t *buf,
void onenand_spl_load_image(uint32_t offs, uint32_t size, void *dst)
{
uint32_t *addr = (uint32_t *)dst;
- uint32_t total_pages;
+ uint32_t to_page;
uint32_t block;
uint32_t page, rpage;
enum onenand_spl_pagesize pagesize;
@@ -125,22 +125,20 @@ void onenand_spl_load_image(uint32_t offs, uint32_t size, void *dst)
* pulling further unwanted functions into the SPL.
*/
if (pagesize == 2048) {
- total_pages = DIV_ROUND_UP(size, 2048);
page = offs / 2048;
+ to_page = page + DIV_ROUND_UP(size, 2048);
} else {
- total_pages = DIV_ROUND_UP(size, 4096);
page = offs / 4096;
+ to_page = page + DIV_ROUND_UP(size, 4096);
}
- for (; page <= total_pages; page++) {
+ for (; page <= to_page; page++) {
block = page / ONENAND_PAGES_PER_BLOCK;
rpage = page & (ONENAND_PAGES_PER_BLOCK - 1);
ret = onenand_spl_read_page(block, rpage, addr, pagesize);
- if (ret) {
- total_pages += ONENAND_PAGES_PER_BLOCK;
+ if (ret)
page += ONENAND_PAGES_PER_BLOCK - 1;
- } else {
+ else
addr += pagesize / 4;
- }
}
}