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-rw-r--r--arch/arm/mach-s3c2440/mach-gta02.c19
-rw-r--r--arch/arm/plat-s3c/include/plat/nand.h3
2 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
index b73205ebd98..ad500f31d3b 100644
--- a/arch/arm/mach-s3c2440/mach-gta02.c
+++ b/arch/arm/mach-s3c2440/mach-gta02.c
@@ -883,6 +883,7 @@ static struct s3c2410_platform_nand gta02_nand_info = {
.twrph1 = 20,
.nr_sets = ARRAY_SIZE(gta02_nand_sets),
.sets = gta02_nand_sets,
+ .software_ecc = 1,
};
static struct s3c24xx_mci_pdata gta02_mmc_cfg = {
@@ -1547,6 +1548,20 @@ static irqreturn_t ar6000_wow_irq(int irq, void *param)
return IRQ_HANDLED;
}
+/*
+ * hardware_ecc=1|0
+ */
+static char hardware_ecc_str[4] __initdata = "";
+
+static int __init hardware_ecc_setup(char *str)
+{
+ if (str)
+ strlcpy(hardware_ecc_str, str, sizeof(hardware_ecc_str));
+ return 1;
+}
+
+__setup("hardware_ecc=", hardware_ecc_setup);
+
static void __init gta02_machine_init(void)
{
int rc;
@@ -1569,6 +1584,10 @@ static void __init gta02_machine_init(void)
/* Glamo chip select optimization */
/* *((u32 *)(S3C2410_MEMREG(((1 + 1) << 2)))) = 0x1280; */
+ /* do not force soft ecc if we are asked to use hardware_ecc */
+ if (hardware_ecc_str[0] == '1')
+ gta02_nand_info.software_ecc = 0;
+
s3c_device_usb.dev.platform_data = &gta02_usb_info;
s3c_device_nand.dev.platform_data = &gta02_nand_info;
s3c_device_sdi.dev.platform_data = &gta02_mmc_cfg;
diff --git a/arch/arm/plat-s3c/include/plat/nand.h b/arch/arm/plat-s3c/include/plat/nand.h
index 048b0f03adf..e34eeb9c327 100644
--- a/arch/arm/plat-s3c/include/plat/nand.h
+++ b/arch/arm/plat-s3c/include/plat/nand.h
@@ -47,6 +47,9 @@ struct s3c2410_platform_nand {
int nr_sets;
struct s3c2410_nand_set *sets;
+ /* force software_ecc at runtime */
+ int software_ecc;
+
void (*select_chip)(struct s3c2410_nand_set *,
int chip);
};