diff options
Diffstat (limited to 'drivers/ata/pata_rb532_cf.c')
| -rw-r--r-- | drivers/ata/pata_rb532_cf.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c index f8b3ffc8ae9..c2e6fb9f2ef 100644 --- a/drivers/ata/pata_rb532_cf.c +++ b/drivers/ata/pata_rb532_cf.c @@ -39,9 +39,11 @@ #define RB500_CF_MAXPORTS 1 #define RB500_CF_IO_DELAY 400 -#define RB500_CF_REG_CMD 0x0800 +#define RB500_CF_REG_BASE 0x0800 +#define RB500_CF_REG_ERR 0x080D #define RB500_CF_REG_CTRL 0x080E -#define RB500_CF_REG_DATA 0x0C00 +/* 32bit buffered data register offset */ +#define RB500_CF_REG_DBUF32 0x0C00 struct rb532_cf_info { void __iomem *iobase; @@ -72,11 +74,12 @@ static void rb532_pata_exec_command(struct ata_port *ap, rb532_pata_finish_io(ap); } -static void rb532_pata_data_xfer(struct ata_device *adev, unsigned char *buf, +static unsigned int rb532_pata_data_xfer(struct ata_device *adev, unsigned char *buf, unsigned int buflen, int write_data) { struct ata_port *ap = adev->link->ap; void __iomem *ioaddr = ap->ioaddr.data_addr; + int retlen = buflen; if (write_data) { for (; buflen > 0; buflen--, buf++) @@ -87,6 +90,7 @@ static void rb532_pata_data_xfer(struct ata_device *adev, unsigned char *buf, } rb532_pata_finish_io(adev->link->ap); + return retlen; } static void rb532_pata_freeze(struct ata_port *ap) @@ -146,13 +150,14 @@ static void rb532_pata_setup_ports(struct ata_host *ah) ap->pio_mask = 0x1f; /* PIO4 */ ap->flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO; - ap->ioaddr.cmd_addr = info->iobase + RB500_CF_REG_CMD; + ap->ioaddr.cmd_addr = info->iobase + RB500_CF_REG_BASE; ap->ioaddr.ctl_addr = info->iobase + RB500_CF_REG_CTRL; ap->ioaddr.altstatus_addr = info->iobase + RB500_CF_REG_CTRL; ata_sff_std_ports(&ap->ioaddr); - ap->ioaddr.data_addr = info->iobase + RB500_CF_REG_DATA; + ap->ioaddr.data_addr = info->iobase + RB500_CF_REG_DBUF32; + ap->ioaddr.error_addr = info->iobase + RB500_CF_REG_ERR; } static __devinit int rb532_pata_driver_probe(struct platform_device *pdev) |