diff options
| author | David Müller (ELSOFT AG) <d.mueller@elsoft.ch> | 2010-11-29 05:49:19 +0000 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2010-12-06 18:28:48 -0600 |
| commit | 2111cb44a7937bf8ea5168dd65963f68f8bf3345 (patch) | |
| tree | fd5c4515bb9c0a6d5699a0d342e2579fbbda21b6 /drivers/mtd/nand | |
| parent | 068a208b4a3e1e0dfc8dea6ebbd80b62ae280732 (diff) | |
| download | u-boot-imx-2111cb44a7937bf8ea5168dd65963f68f8bf3345.zip u-boot-imx-2111cb44a7937bf8ea5168dd65963f68f8bf3345.tar.gz u-boot-imx-2111cb44a7937bf8ea5168dd65963f68f8bf3345.tar.bz2 | |
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 <d.mueller@elsoft.ch>
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/s3c2410_nand.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/mtd/nand/s3c2410_nand.c b/drivers/mtd/nand/s3c2410_nand.c index f70daef..27351fb 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); |