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ppc4xx: Fix problem with ECC ordering for PPC4xx NDFC platforms

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This patch now uses the correct ECC byte order (Smart Media - SMC)
to be used on the 4xx NAND FLASH driver. Without this patch we have
incompatible ECC byte ordering to the Linux kernel NDFC driver.

Please note that we also have to enable CONFIG_MTD_NAND_ECC_SMC in
drivers/mtd/nand/nand_ecc.c for correct operation. This is done with
a seperate patch.

Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Stefan Roese 2009-05-20 10:58:02 +02:00
parent 5d841fac82
commit 399aab7748
1 changed files with 2 additions and 2 deletions
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4
cpu/ppc4xx/ndfc.c
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@ -93,8 +93,8 @@ static int ndfc_calculate_ecc(struct mtd_info *mtdinfo,
/* The NDFC uses Smart Media (SMC) bytes order /* The NDFC uses Smart Media (SMC) bytes order
*/ */
ecc_code[0] = p[1]; ecc_code[0] = p[2];
ecc_code[1] = p[2]; ecc_code[1] = p[1];
ecc_code[2] = p[3]; ecc_code[2] = p[3];
return 0; return 0;