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fix s3c2410_nand timing default values

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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>
This commit is contained in:
David Müller (ELSOFT AG) 2010-11-29 05:49:19 +00:00 committed by Scott Wood
parent 068a208b4a
commit 2111cb44a7
1 changed files with 9 additions and 3 deletions
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12
drivers/mtd/nand/s3c2410_nand.c
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@ -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);