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Fix chipset setup problem on older ALI chips.

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This commit is contained in:
Søren Schmidt 2003-02-23 16:36:21 +00:00
parent be5ee60c2d
commit 4efc1603dc
1 changed files with 14 additions and 9 deletions
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23
sys/dev/ata/ata-chipset.c
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@ -376,7 +376,7 @@ ata_ali_setmode(struct ata_device *atadev, int mode)
atadev->channel->devices & ATA_ATAPI_SLAVE) {
/* doesn't support ATAPI DMA on two ATAPI devices */
ata_prtdev(atadev, "two atapi devices on this channel, no DMA\n");
ata_limit_mode(atadev, mode, ATA_PIO_MAX);
mode = ata_limit_mode(atadev, mode, ATA_PIO_MAX);
}
}
@ -387,20 +387,25 @@ ata_ali_setmode(struct ata_device *atadev, int mode)
(error) ? "failed" : "success",
ata_mode2str(mode), ctlr->chip->text);
if (!error) {
if (ctlr->chip->cfg2 & ALICABLE) {
if (mode > ATA_UDMA2)
pci_write_config(parent, 0x4b,
pci_read_config(parent, 0x4b, 1) | 0x01, 1);
else
pci_write_config(parent, 0x4b,
pci_read_config(parent, 0x4b, 1) & ~0x01, 1);
}
if (mode >= ATA_UDMA0) {
u_int8_t udma[] = {0x0c, 0x0b, 0x0a, 0x09, 0x08, 0x0f};
u_int32_t word54 = pci_read_config(parent, 0x54, 4);
pci_write_config(parent, 0x58 + (atadev->channel->unit << 2),
0x00310001, 4);
pci_write_config(parent, 0x4b,
pci_read_config(parent, 0x4b, 1) | 0x01, 1);
word54 &= ~(0x000f000f << (devno << 2));
word54 |= (((udma[mode&ATA_MODE_MASK]<<16)|0x05)<<(devno<<2));
pci_write_config(parent, 0x54, word54, 4);
pci_write_config(parent, 0x53,
pci_read_config(parent, 0x53, 1) | 0x03, 1);
word54 &= ~(0x000f000f << (devno << 2));
word54 |= (((udma[mode&ATA_MODE_MASK]<<16)|0x05)<<(devno<<2));
pci_write_config(parent, 0x54, word54, 4);
pci_write_config(parent, 0x53,
pci_read_config(parent, 0x53, 1) | 0x03, 1);
}
else {
u_int32_t piotimings[] =