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path: root/drivers/mtd/nand/autcpu12.c
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Diffstat (limited to 'drivers/mtd/nand/autcpu12.c')
-rw-r--r--drivers/mtd/nand/autcpu12.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/mtd/nand/autcpu12.c b/drivers/mtd/nand/autcpu12.c
index 2e42ec2e8ff4..04769a49a7cb 100644
--- a/drivers/mtd/nand/autcpu12.c
+++ b/drivers/mtd/nand/autcpu12.c
@@ -102,10 +102,10 @@ static void autcpu12_hwcontrol(struct mtd_info *mtd, int cmd,
void __iomem *addr;
unsigned char bits;
- addr = CS89712_VIRT_BASE + AUTCPU12_SMC_PORT_OFFSET;
- bits = (ctrl & NAND_CLE) << 4;
+ bits = clps_readb(AUTCPU12_SMC_PORT_OFFSET) & ~0x30;
+ bits |= (ctrl & NAND_CLE) << 4;
bits |= (ctrl & NAND_ALE) << 2;
- writeb((readb(addr) & ~0x30) | bits, addr);
+ clps_writeb(bits, AUTCPU12_SMC_PORT_OFFSET);
addr = autcpu12_fio_base + AUTCPU12_SMC_SELECT_OFFSET;
writeb((readb(addr) & ~0x1) | (ctrl & NAND_NCE), addr);
@@ -120,9 +120,7 @@ static void autcpu12_hwcontrol(struct mtd_info *mtd, int cmd,
*/
int autcpu12_device_ready(struct mtd_info *mtd)
{
- void __iomem *addr = CS89712_VIRT_BASE + AUTCPU12_SMC_PORT_OFFSET;
-
- return readb(addr) & AUTCPU12_SMC_RDY;
+ return clps_readb(AUTCPU12_SMC_PORT_OFFSET) & AUTCPU12_SMC_RDY;
}
/*