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authorKyungmin Park <kmpark@infradead.org>2008-03-31 10:40:36 +0900
committerWolfgang Denk <wd@denx.de>2008-04-13 23:11:16 -0700
commit77e475cc0ed1832160017d364be32a0be9ff02a9 (patch)
tree215da4c93ca7cac28eabd4e70fe1e70fc8e176f2 /drivers/mtd/onenand
parenta9da2b41079d230db3a5641625311983f85ce1fb (diff)
downloadblackbird-obmc-uboot-77e475cc0ed1832160017d364be32a0be9ff02a9.tar.gz
blackbird-obmc-uboot-77e475cc0ed1832160017d364be32a0be9ff02a9.zip
Fix OneNAND read
It should access with 16-bit instead of 8-bit Now it uses the generic memcpy with 8-bit access. It means it reads wrong data from OneNAND. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers/mtd/onenand')
-rw-r--r--drivers/mtd/onenand/onenand_base.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 3b828fb627..174384eab9 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -20,6 +20,19 @@
#include <asm/io.h>
#include <asm/errno.h>
+/* It should access 16-bit instead of 8-bit */
+static inline void *memcpy(void *dst, const void *src, unsigned int len)
+{
+ void *ret = dst;
+ short *d = dst;
+ const short *s = src;
+
+ len >>= 1;
+ while (len-- > 0)
+ *d++ = *s++;
+ return ret;
+}
+
static const unsigned char ffchars[] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 16 */
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