From 2111cb44a7937bf8ea5168dd65963f68f8bf3345 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?David=20M=C3=BCller=20=28ELSOFT=20AG=29?= Date: Mon, 29 Nov 2010 05:49:19 +0000 Subject: [PATCH] fix s3c2410_nand timing default values The attached patch fixes wrong timing default values and adds the possibility to specify board specific timing value in the board config file. Signed-off-by: David Mueller --- drivers/mtd/nand/s3c2410_nand.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/nand/s3c2410_nand.c b/drivers/mtd/nand/s3c2410_nand.c index f70daefbfe..27351fb7a0 100644 --- a/drivers/mtd/nand/s3c2410_nand.c +++ b/drivers/mtd/nand/s3c2410_nand.c @@ -133,9 +133,15 @@ int board_nand_init(struct nand_chip *nand) writel(readl(&clk_power->clkcon) | (1 << 4), &clk_power->clkcon); /* initialize hardware */ - twrph0 = 3; - twrph1 = 0; - tacls = 0; +#if defined(CONFIG_S3C24XX_CUSTOM_NAND_TIMING) + tacls = CONFIG_S3C24XX_TACLS; + twrph0 = CONFIG_S3C24XX_TWRPH0; + twrph1 = CONFIG_S3C24XX_TWRPH1; +#else + tacls = 4; + twrph0 = 8; + twrph1 = 8; +#endif cfg = S3C2410_NFCONF_EN; cfg |= S3C2410_NFCONF_TACLS(tacls - 1);