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MTD: [NAND] Fix the sharpsl driver after breakage from a core conversion
The CNE bits are inverted on the device and writeb function is missing a NOT operation. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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1 changed files with 5 additions and 2 deletions
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@ -78,7 +78,7 @@ static struct mtd_partition sharpsl_nand_default_partition_info[] = {
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/*
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* hardware specific access to control-lines
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* ctrl:
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* NAND_CNE: bit 0 -> bit 0 & 4
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* NAND_CNE: bit 0 -> ! bit 0 & 4
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* NAND_CLE: bit 1 -> bit 1
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* NAND_ALE: bit 2 -> bit 2
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*
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@ -92,7 +92,10 @@ static void sharpsl_nand_hwcontrol(struct mtd_info *mtd, int cmd,
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unsigned char bits = ctrl & 0x07;
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bits |= (ctrl & 0x01) << 4;
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writeb((readb(FLASHCTL) & 0x17) | bits, FLASHCTL);
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bits ^= 0x11;
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writeb((readb(FLASHCTL) & ~0x17) | bits, FLASHCTL);
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}
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if (cmd != NAND_CMD_NONE)
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