diff options
| author | mav <mav@FreeBSD.org> | 2010-09-02 12:32:29 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2010-09-02 12:32:29 +0000 |
| commit | e758e6c84a7db8d8f7ed49f0dfe53a87092cd69e (patch) | |
| tree | eac0878f9e9c99ef42e06a4abef126e1cbaa8484 /sys/dev/ata | |
| parent | aac03a91b1506311ed759f27fd9c9bf95858a91c (diff) | |
| download | FreeBSD-src-e758e6c84a7db8d8f7ed49f0dfe53a87092cd69e.zip FreeBSD-src-e758e6c84a7db8d8f7ed49f0dfe53a87092cd69e.tar.gz | |
Add fix for SiI3114 and SiI3512 chips bug, which caused sending R_ERR in
response to DMA activate FIS under certain circumstances. This is
recommended fix from chip datasheet. If triggered, this bug most likely
cause write command timeout.
MFC after: 2 weeks
Diffstat (limited to 'sys/dev/ata')
| -rw-r--r-- | sys/dev/ata/chipsets/ata-siliconimage.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/dev/ata/chipsets/ata-siliconimage.c b/sys/dev/ata/chipsets/ata-siliconimage.c index ff22f07..0fe4e1c 100644 --- a/sys/dev/ata/chipsets/ata-siliconimage.c +++ b/sys/dev/ata/chipsets/ata-siliconimage.c @@ -365,7 +365,15 @@ ata_sii_status(device_t dev) static void ata_sii_reset(device_t dev) { + struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); + int offset = ((ch->unit & 1) << 7) + ((ch->unit & 2) << 8); + uint32_t val; + + /* Apply R_ERR on DMA activate FIS errata workaround. */ + val = ATA_INL(ctlr->r_res2, 0x14c + offset); + if ((val & 0x3) == 0x1) + ATA_OUTL(ctlr->r_res2, 0x14c + offset, val & ~0x3); if (ata_sata_phy_reset(dev, -1, 1)) ata_generic_reset(dev); |
