[MTD] NAND: Reset Café controller before initialising.
authorDavid Woodhouse <dwmw2@infradead.org>
Fri, 27 Oct 2006 06:55:34 +0000 (09:55 +0300)
committerDavid Woodhouse <dwmw2@infradead.org>
Fri, 27 Oct 2006 06:55:34 +0000 (09:55 +0300)
Fixes http://dev.laptop.org/ticket/237

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
drivers/mtd/nand/cafe.c

index 6bcb430b951c111518410cc6bab41f7eb8b72ef1..dd274c877b5eeeb726d9c07be78621d2ba988b32 100644 (file)
@@ -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