From b347b5b06adc514958c07df76cbca4ba73be4453 Mon Sep 17 00:00:00 2001 From: Holger Freyther Date: Wed, 19 Nov 2008 17:10:51 +0000 Subject: gta02: Disable hardware ECC unless we get instructed to enable it Early verions off uboot used for the gta02 flashed the nand with ecc information incompatible to s3c2442 hardware ecc. Disable hardware error correction by default, unless the bootloader explicitly enables it. Signed-off-by: Lars-Peter Clausen --- arch/arm/mach-s3c2442/mach-gta02.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/mach-s3c2442/mach-gta02.c b/arch/arm/mach-s3c2442/mach-gta02.c index 4488b4b428c..a31cad1952a 100644 --- a/arch/arm/mach-s3c2442/mach-gta02.c +++ b/arch/arm/mach-s3c2442/mach-gta02.c @@ -457,6 +457,7 @@ static struct s3c2410_platform_nand gta02_nand_info = { .twrph1 = 15, .nr_sets = ARRAY_SIZE(gta02_nand_sets), .sets = gta02_nand_sets, + .software_ecc = 1, }; @@ -756,6 +757,18 @@ static void gta02_hijack_gpb(void) s3c24xx_gpios[1].chip.get = gta02_gpb_get; } +/* + * Allow the bootloader to enable hw ecc + * hardware_ecc=1|0 + */ +static int __init hardware_ecc_setup(char *str) +{ + if (str && str[0] == '1') + gta02_nand_info.software_ecc = 0; + return 1; +} +__setup("hardware_ecc=", hardware_ecc_setup); + static void gta02_request_gpios(void) { int ret; -- cgit v1.2.3