[PATCH 3.13 167/212] ARM: OMAP2+: nand: Fix NAND on OMAP2 and OMAP3 boards

From: Kamal Mostafa
Date: Tue Jun 17 2014 - 18:21:53 EST


3.13.11.4 -stable review patch. If anyone has any objections, please let me know.

------------------

From: Roger Quadros <rogerq@xxxxxx>

commit 5005e0b76781c37d0a16dd6dd17d015098e8ce92 upstream.

Commit c66d039197e4 broke NAND for non-DT boot on all OMAP2 and OMAP3
boards using board_nand_init(). Following error is seen at boot

[ 0.154998] (null): Unsupported NAND ECC scheme selected

For OMAP2 and OMAP3 platforms, the ecc_opt parameter in platform data
must be set to OMAP_ECC_HAM1_CODE_HW to work properly.

Tested on omap3-beagle c4.

Fixes: c66d039197e4 (mtd: nand: omap: combine different flavours of 1-bit hamming ecc schemes)
Signed-off-by: Roger Quadros <rogerq@xxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
arch/arm/mach-omap2/board-flash.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/board-flash.c b/arch/arm/mach-omap2/board-flash.c
index ac82512..b6885e4 100644
--- a/arch/arm/mach-omap2/board-flash.c
+++ b/arch/arm/mach-omap2/board-flash.c
@@ -142,7 +142,7 @@ __init board_nand_init(struct mtd_partition *nand_parts, u8 nr_parts, u8 cs,
board_nand_data.nr_parts = nr_parts;
board_nand_data.devsize = nand_type;

- board_nand_data.ecc_opt = OMAP_ECC_BCH8_CODE_HW;
+ board_nand_data.ecc_opt = OMAP_ECC_HAM1_CODE_HW;
gpmc_nand_init(&board_nand_data, gpmc_t);
}
#endif /* CONFIG_MTD_NAND_OMAP2 || CONFIG_MTD_NAND_OMAP2_MODULE */
--
1.9.1

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