diff options
Diffstat (limited to 'drivers/ata/sata_promise.c')
| -rw-r--r-- | drivers/ata/sata_promise.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 8daf5d67dfe2..a2778cf016bc 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -280,6 +280,7 @@ static struct pci_driver pdc_ata_pci_driver = { static int pdc_port_start(struct ata_port *ap) { struct device *dev = ap->host->dev; + struct pdc_host_priv *hp = ap->host->private_data; struct pdc_port_priv *pp; int rc; @@ -301,6 +302,16 @@ static int pdc_port_start(struct ata_port *ap) ap->private_data = pp; + /* fix up PHYMODE4 align timing */ + if ((hp->flags & PDC_FLAG_GEN_II) && sata_scr_valid(ap)) { + void __iomem *mmio = (void __iomem *) ap->ioaddr.scr_addr; + unsigned int tmp; + + tmp = readl(mmio + 0x014); + tmp = (tmp & ~3) | 1; /* set bits 1:0 = 0:1 */ + writel(tmp, mmio + 0x014); + } + return 0; err_out_kfree: |