From 8d49d595540f8f06542d1343429f33994d02efd7 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 s3c2440 hardware ecc. Disable hardware error correction by default, unless the bootloader explicitly enables it. Signed-off-by: Lars-Peter Clausen --- arch/arm/mach-s3c2440/mach-gta02.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c index c73421cae02..0e195f9a86f 100644 --- a/arch/arm/mach-s3c2440/mach-gta02.c +++ b/arch/arm/mach-s3c2440/mach-gta02.c @@ -455,6 +455,7 @@ static struct s3c2410_platform_nand __initdata gta02_nand_info = { .twrph1 = 15, .nr_sets = ARRAY_SIZE(gta02_nand_sets), .sets = gta02_nand_sets, + .software_ecc = 1, }; @@ -808,6 +809,18 @@ 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