diff options
Diffstat (limited to 'board/prodrive/pdnb3/nand.c')
| -rw-r--r-- | board/prodrive/pdnb3/nand.c | 51 | 
1 files changed, 17 insertions, 34 deletions
| diff --git a/board/prodrive/pdnb3/nand.c b/board/prodrive/pdnb3/nand.c index b1e704104..281ae70af 100644 --- a/board/prodrive/pdnb3/nand.c +++ b/board/prodrive/pdnb3/nand.c @@ -52,40 +52,26 @@ static struct pdnb3_ndfc_regs *pdnb3_ndfc;   *   * There is one NAND devices on the board, a Hynix HY27US08561A (32 MByte).   */ -static void pdnb3_nand_hwcontrol(struct mtd_info *mtd, int cmd) +static void pdnb3_nand_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; +    struct nand_chip *this = mtd->priv; -	case NAND_CTL_SETALE: -		hwctl |= 0x2; -		break; -	case NAND_CTL_CLRALE: -		hwctl &= ~0x2; -		break; - -	case NAND_CTL_SETNCE: -		break; -	case NAND_CTL_CLRNCE: -		writeb(0x00, &(pdnb3_ndfc->term)); -		break; +	if (ctrl & NAND_CTRL_CHANGE) { +		if ( ctrl & NAND_CLE ) +			hwctl |= 0x1; +		else +			hwctl &= ~0x1; +		if ( ctrl & NAND_ALE ) +			hwctl |= 0x2; +		else +			hwctl &= ~0x2; +		if ( (ctrl & NAND_NCE) != NAND_NCE) +			writeb(0x00, &(pdnb3_ndfc->term));  	} +	if (cmd != NAND_CMD_NONE) +		writeb(cmd, this->IO_ADDR_W);  } -static void pdnb3_nand_write_byte(struct mtd_info *mtd, u_char byte) -{ -	if (hwctl & 0x1) -		writeb(byte, &(pdnb3_ndfc->cmd)); -	else if (hwctl & 0x2) -		writeb(byte, &(pdnb3_ndfc->addr)); -	else -		writeb(byte, &(pdnb3_ndfc->data)); -}  static u_char pdnb3_nand_read_byte(struct mtd_info *mtd)  { @@ -152,16 +138,13 @@ int board_nand_init(struct nand_chip *nand)  {  	pdnb3_ndfc = (struct pdnb3_ndfc_regs *)CFG_NAND_BASE; -	nand->eccmode = NAND_ECC_SOFT; +	nand->ecc.mode = NAND_ECC_SOFT;  	/* Set address of NAND IO lines (Using Linear Data Access Region) */  	nand->IO_ADDR_R = (void __iomem *) ((ulong) pdnb3_ndfc + 0x4);  	nand->IO_ADDR_W = (void __iomem *) ((ulong) pdnb3_ndfc + 0x4);  	/* Reference hardware control function */ -	nand->hwcontrol  = pdnb3_nand_hwcontrol; -	/* Set command delay time */ -	nand->hwcontrol  = pdnb3_nand_hwcontrol; -	nand->write_byte = pdnb3_nand_write_byte; +	nand->cmd_ctrl   = pdnb3_nand_hwcontrol;  	nand->read_byte  = pdnb3_nand_read_byte;  	nand->write_buf  = pdnb3_nand_write_buf;  	nand->read_buf   = pdnb3_nand_read_buf; |