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Set and reset the right bit for UDMA enable/disable on the ICH* chips.

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sos 2004-08-27 12:54:58 +00:00
parent 42e5c7d376
commit f73c7c1c58
1 changed files with 2 additions and 2 deletions
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4
sys/dev/ata/ata-chipset.c
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@ -979,9 +979,9 @@ ata_intel_new_setmode(struct ata_device *atadev, int mode)
pci_write_config(parent, 0x54, reg54 & ~(0x1 << devno), 2);
if (mode >= ATA_UDMA5)
pci_write_config(parent, 0x54, reg54 | (0x10000 << devno), 2);
pci_write_config(parent, 0x54, reg54 | (0x1000 << devno), 2);
else
pci_write_config(parent, 0x54, reg54 & ~(0x10000 << devno), 2);
pci_write_config(parent, 0x54, reg54 & ~(0x1000 << devno), 2);
reg40 &= ~0x00ff00ff;
reg40 |= 0x40774077;