diff options
Diffstat (limited to 'cpu/ppc4xx')
| -rw-r--r-- | cpu/ppc4xx/ndfc.c | 57 |
1 files changed, 21 insertions, 36 deletions
diff --git a/cpu/ppc4xx/ndfc.c b/cpu/ppc4xx/ndfc.c index 5b2ae88..7818eb9 100644 --- a/cpu/ppc4xx/ndfc.c +++ b/cpu/ppc4xx/ndfc.c @@ -46,38 +46,22 @@ static u8 hwctl = 0; -static void ndfc_hwcontrol(struct mtd_info *mtdinfo, int cmd) +static void ndfc_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) { - switch (cmd) { - case NAND_CTL_SETCLE: - hwctl |= 0x1; - break; - - case NAND_CTL_CLRCLE: - hwctl &= ~0x1; - break; - - case NAND_CTL_SETALE: - hwctl |= 0x2; - break; - - case NAND_CTL_CLRALE: - hwctl &= ~0x2; - break; + struct nand_chip *this = mtd->priv; + + if (ctrl & NAND_CTRL_CHANGE) { + if ( ctrl & NAND_CLE ) + hwctl |= 0x1; + else + hwctl &= ~0x1; + if ( ctrl & NAND_ALE ) + hwctl |= 0x2; + else + hwctl &= ~0x2; } -} - -static void ndfc_write_byte(struct mtd_info *mtdinfo, u_char byte) -{ - struct nand_chip *this = mtdinfo->priv; - ulong base = (ulong) this->IO_ADDR_W & 0xfffffffc; - - if (hwctl & 0x1) - out_8((u8 *)(base + NDFC_CMD), byte); - else if (hwctl & 0x2) - out_8((u8 *)(base + NDFC_ALE), byte); - else - out_8((u8 *)(base + NDFC_DATA), byte); + if (cmd != NAND_CMD_NONE) + writeb(cmd, this->IO_ADDR_W); } static u_char ndfc_read_byte(struct mtd_info *mtdinfo) @@ -194,16 +178,17 @@ int board_nand_init(struct nand_chip *nand) int cs = (ulong)nand->IO_ADDR_W & 0x00000003; ulong base = (ulong)nand->IO_ADDR_W & 0xfffffffc; - nand->hwcontrol = ndfc_hwcontrol; + nand->cmd_ctrl = ndfc_hwcontrol; nand->read_byte = ndfc_read_byte; nand->read_buf = ndfc_read_buf; - nand->write_byte = ndfc_write_byte; nand->dev_ready = ndfc_dev_ready; - nand->eccmode = NAND_ECC_HW3_256; - nand->enable_hwecc = ndfc_enable_hwecc; - nand->calculate_ecc = ndfc_calculate_ecc; - nand->correct_data = nand_correct_data; + nand->ecc.correct = nand_correct_data; + nand->ecc.hwctl = ndfc_enable_hwecc; + nand->ecc.calculate = ndfc_calculate_ecc; + nand->ecc.mode = NAND_ECC_HW; + nand->ecc.size = 256; + nand->ecc.bytes = 3; #ifndef CONFIG_NAND_SPL nand->write_buf = ndfc_write_buf; |