diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2006-05-24 09:01:43 (GMT) |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2006-05-24 09:01:43 (GMT) |
| commit | 0305c8659ff9cebabf469d5cd0ab8dc384857e10 (patch) | |
| tree | 1784b2bb078a58e50ca75dfccd1e9fc5f8b211b8 /drivers/mtd/nand/h1910.c | |
| parent | 99988f7bbd16b861590dda4631c4db6cb17b5091 (diff) | |
| parent | d470a97c70a43ffafd6e728c913254b6d6fd1219 (diff) | |
| download | linux-0305c8659ff9cebabf469d5cd0ab8dc384857e10.tar.xz | |
Merge branch 'master' of git://git.infradead.org/~gleixner/mtd-nand-2.6.git
Diffstat (limited to 'drivers/mtd/nand/h1910.c')
| -rw-r--r-- | drivers/mtd/nand/h1910.c | 40 |
1 files changed, 11 insertions, 29 deletions
diff --git a/drivers/mtd/nand/h1910.c b/drivers/mtd/nand/h1910.c index 06e91fa..2d585d2 100644 --- a/drivers/mtd/nand/h1910.c +++ b/drivers/mtd/nand/h1910.c @@ -56,36 +56,18 @@ static struct mtd_partition partition_info[] = { /* * hardware specific access to control-lines + * + * NAND_NCE: bit 0 - don't care + * NAND_CLE: bit 1 - address bit 2 + * NAND_ALE: bit 2 - address bit 3 */ -static void h1910_hwcontrol(struct mtd_info *mtd, int cmd) +static void h1910_hwcontrol(struct mtd_info *mtd, int cmd, + unsigned int ctrl) { - struct nand_chip *this = (struct nand_chip *)(mtd->priv); - - switch (cmd) { - - case NAND_CTL_SETCLE: - this->IO_ADDR_R |= (1 << 2); - this->IO_ADDR_W |= (1 << 2); - break; - case NAND_CTL_CLRCLE: - this->IO_ADDR_R &= ~(1 << 2); - this->IO_ADDR_W &= ~(1 << 2); - break; - - case NAND_CTL_SETALE: - this->IO_ADDR_R |= (1 << 3); - this->IO_ADDR_W |= (1 << 3); - break; - case NAND_CTL_CLRALE: - this->IO_ADDR_R &= ~(1 << 3); - this->IO_ADDR_W &= ~(1 << 3); - break; - - case NAND_CTL_SETNCE: - break; - case NAND_CTL_CLRNCE: - break; - } + struct nand_chip *chip = mtd->priv; + + if (cmd != NAND_CMD_NONE) + writeb(cmd, chip->IO_ADDR_W | ((ctrl & 0x6) << 1)); } /* @@ -145,7 +127,7 @@ static int __init h1910_init(void) /* insert callbacks */ this->IO_ADDR_R = nandaddr; this->IO_ADDR_W = nandaddr; - this->hwcontrol = h1910_hwcontrol; + this->cmd_ctrl = h1910_hwcontrol; this->dev_ready = NULL; /* unknown whether that was correct or not so we will just do it like this */ /* 15 us command delay time */ this->chip_delay = 50; |