diff options
author | David Woodhouse <dwmw2@infradead.org> | 2006-10-27 06:55:34 (GMT) |
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committer | David Woodhouse <dwmw2@infradead.org> | 2006-10-27 06:55:34 (GMT) |
commit | dcc41bc81c872862652d68af8993b9fa32ce56a4 (patch) | |
tree | 6d01b2f4606b4d532d863312e82006924d0876f0 /drivers/mtd | |
parent | 2c8cfdcbeb1ab0ec7bbd5af1be311b55281154c4 (diff) | |
download | linux-fsl-qoriq-dcc41bc81c872862652d68af8993b9fa32ce56a4.tar.xz |
[MTD] NAND: Reset Café controller before initialising.
Fixes http://dev.laptop.org/ticket/237
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/mtd')
-rw-r--r-- | drivers/mtd/nand/cafe.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mtd/nand/cafe.c b/drivers/mtd/nand/cafe.c index 6bcb430..dd274c8 100644 --- a/drivers/mtd/nand/cafe.c +++ b/drivers/mtd/nand/cafe.c @@ -598,6 +598,10 @@ static int __devinit cafe_nand_probe(struct pci_dev *pdev, cafe->nand.block_bad = cafe_nand_block_bad; } + /* Start off by resetting the NAND controller completely */ + writel(1, cafe->mmio + 0x3034); + writel(0, cafe->mmio + 0x3034); + /* Timings from Marvell's test code (not verified or calculated by us) */ writel(0xffffffff, cafe->mmio + CAFE_NAND_IRQ_MASK); #if 1 |