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Add first cut support for the ATA100 capable VIA82c686b.

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This commit is contained in:
Søren Schmidt 2001-01-17 09:22:13 +00:00
parent c0f67a683a
commit af152621e5
2 changed files with 46 additions and 3 deletions
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3
sys/dev/ata/ata-all.c
View File

@ -276,6 +276,8 @@ ata_pci_match(device_t dev)
return "VIA 82C596 ATA66 controller";
if (ata_find_dev(dev, 0x05961106, 0))
return "VIA 82C596 ATA33 controller";
if (ata_find_dev(dev, 0x06861106, 0x40))
return "VIA 82C686 ATA100 controller";
if (ata_find_dev(dev, 0x06861106, 0))
return "VIA 82C686 ATA66 controller";
return "VIA Apollo ATA controller";
@ -450,6 +452,7 @@ ata_pci_attach(device_t dev)
case 0x05711106:
case 0x74091022: /* VIA 82C586, 82C596, 82C686 & AMD 756 default setup */
/* set prefetch, postwrite */
pci_write_config(dev, 0x41, pci_read_config(dev, 0x41, 1) | 0xf0, 1);

46
sys/dev/ata/ata-dma.c
View File

@ -353,9 +353,49 @@ ata_dmainit(struct ata_softc *scp, int device,
goto via_82c586;
case 0x05711106: /* VIA 82C571, 82C586, 82C596, 82C686 */
if (ata_find_dev(parent, 0x06861106, 0) || /* 82C686a */
ata_find_dev(parent, 0x05961106, 0x12)) { /* 82C596b */
if (ata_find_dev(parent, 0x06861106, 0x40)) { /* 82C686b */
if (udmamode >= 5) {
error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_printf(scp, device,
"%s setting UDMA5 on VIA chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, 0x53 - devno, 0xf0, 1);
scp->mode[ATA_DEV(device)] = ATA_UDMA5;
return;
}
}
if (udmamode >= 4) {
error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_printf(scp, device,
"%s setting UDMA4 on VIA chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, 0x53 - devno, 0xf1, 1);
scp->mode[ATA_DEV(device)] = ATA_UDMA4;
return;
}
}
if (udmamode >= 2) {
error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_printf(scp, device,
"%s setting UDMA2 on VIA chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, 0x53 - devno, 0xf4, 1);
scp->mode[ATA_DEV(device)] = ATA_UDMA2;
return;
}
}
}
else if (ata_find_dev(parent, 0x05961106, 0) || /* 82C596a */
ata_find_dev(parent, 0x05861106, 0x02)) { /* 82C586b */
if (udmamode >= 4) {
error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);