Offsets are described in the datasheet at section: "11.4.4.2 NAND Flash Boot: PMECC Error Detection and Correction".
For testing I "injected" bit flips into u-boot NAND memory area, and then read back. PMECC could not correct the errors. With the offsets updated everything is fine.
Fixes: 3225f34e5c ("ARM: atmel: add sama5d3xek support") Signed-off-by: Tudor Ambarus tudor.ambarus@microchip.com --- arch/arm/mach-at91/include/mach/sama5d3.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-at91/include/mach/sama5d3.h b/arch/arm/mach-at91/include/mach/sama5d3.h index 83f18a8148..f4f05676f7 100644 --- a/arch/arm/mach-at91/include/mach/sama5d3.h +++ b/arch/arm/mach-at91/include/mach/sama5d3.h @@ -190,8 +190,8 @@ /* * PMECC table in ROM */ -#define ATMEL_PMECC_INDEX_OFFSET_512 0x10000 -#define ATMEL_PMECC_INDEX_OFFSET_1024 0x18000 +#define ATMEL_PMECC_INDEX_OFFSET_512 0x8000 +#define ATMEL_PMECC_INDEX_OFFSET_1024 0x10000
/* * SAMA5D3 specific prototypes