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
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@ -365,7 +365,15 @@ ata_sii_status(device_t dev)
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static void
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ata_sii_reset(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
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struct ata_channel *ch = device_get_softc(dev);
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int offset = ((ch->unit & 1) << 7) + ((ch->unit & 2) << 8);
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uint32_t val;
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/* Apply R_ERR on DMA activate FIS errata workaround. */
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val = ATA_INL(ctlr->r_res2, 0x14c + offset);
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if ((val & 0x3) == 0x1)
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ATA_OUTL(ctlr->r_res2, 0x14c + offset, val & ~0x3);
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if (ata_sata_phy_reset(dev, -1, 1))
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ata_generic_reset(dev);
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