APM X-Gene SoC AHCI SATA Host controller driver requires some correction of Phy Control OOB timing for the COMINIT/COMWAKE parameters to correctly interoperate with different kinds of disks.
Signed-off-by: Loc Ho <[email protected]> Signed-off-by: Suman Tripathi <[email protected]> --- drivers/ata/ahci_xgene.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c index 03b6b0f..1d48371 100644 --- a/drivers/ata/ahci_xgene.c +++ b/drivers/ata/ahci_xgene.c @@ -163,11 +163,11 @@ static void xgene_ahci_set_phy_cfg(struct xgene_ahci_context *ctx, int channel) /* Disable fix rate */ writel(0x0001fffe, mmio + PORTPHY1CFG); readl(mmio + PORTPHY1CFG); /* Force a barrier */ - writel(0x5018461c, mmio + PORTPHY2CFG); + writel(0x28183219, mmio + PORTPHY2CFG); readl(mmio + PORTPHY2CFG); /* Force a barrier */ - writel(0x1c081907, mmio + PORTPHY3CFG); + writel(0x13081008, mmio + PORTPHY3CFG); readl(mmio + PORTPHY3CFG); /* Force a barrier */ - writel(0x1c080815, mmio + PORTPHY4CFG); + writel(0x00480815, mmio + PORTPHY4CFG); readl(mmio + PORTPHY4CFG); /* Force a barrier */ /* Set window negotiation */ val = readl(mmio + PORTPHY5CFG); -- 1.8.2.1 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
