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path: root/drivers/mtd/nand/rtc_from4.c
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Diffstat (limited to 'drivers/mtd/nand/rtc_from4.c')
-rw-r--r--drivers/mtd/nand/rtc_from4.c34
1 files changed, 10 insertions, 24 deletions
diff --git a/drivers/mtd/nand/rtc_from4.c b/drivers/mtd/nand/rtc_from4.c
index f8e631c89a6..6c97bfaea19 100644
--- a/drivers/mtd/nand/rtc_from4.c
+++ b/drivers/mtd/nand/rtc_from4.c
@@ -208,32 +208,18 @@ static uint8_t revbits[256] = {
* Address lines (A24-A22), so no action is required here.
*
*/
-static void rtc_from4_hwcontrol(struct mtd_info *mtd, int cmd)
+static void rtc_from4_hwcontrol(struct mtd_info *mtd, int cmd,
+ unsigned int ctrl)
{
- struct nand_chip *this = (struct nand_chip *)(mtd->priv);
+ struct nand_chip *chip = (mtd->priv);
- switch (cmd) {
+ if (cmd == NAND_CMD_NONE)
+ return;
- case NAND_CTL_SETCLE:
- this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W | RTC_FROM4_CLE);
- break;
- case NAND_CTL_CLRCLE:
- this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W & ~RTC_FROM4_CLE);
- break;
-
- case NAND_CTL_SETALE:
- this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W | RTC_FROM4_ALE);
- break;
- case NAND_CTL_CLRALE:
- this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W & ~RTC_FROM4_ALE);
- break;
-
- case NAND_CTL_SETNCE:
- break;
- case NAND_CTL_CLRNCE:
- break;
-
- }
+ if (ctrl & NAND_CLE)
+ writeb(cmd, chip->IO_ADDR_W | RTC_FROM4_CLE);
+ else
+ writeb(cmd, chip->IO_ADDR_W | RTC_FROM4_ALE);
}
/*
@@ -559,7 +545,7 @@ static int __init rtc_from4_init(void)
this->IO_ADDR_R = rtc_from4_fio_base;
this->IO_ADDR_W = rtc_from4_fio_base;
/* Set address of hardware control function */
- this->hwcontrol = rtc_from4_hwcontrol;
+ this->cmd_ctrl = rtc_from4_hwcontrol;
/* Set address of chip select function */
this->select_chip = rtc_from4_nand_select_chip;
/* command delay time (in us) */