From chris@openbsd.org:

"Don't enable UDMA modes for revisions of SiS 5513 < 0xd0
The only revisions I know which don't actually support UDMA are 0x09 and below..
But the only revision I know which does support UDMA is 0xd0 (and presumably
above that)"
This commit is contained in:
bouyer 2000-01-16 21:31:28 +00:00
parent e80be24250
commit 9156026f0f

View File

@ -1,4 +1,4 @@
/* $NetBSD: pciide.c,v 1.50 1999/12/26 21:46:23 soren Exp $ */
/* $NetBSD: pciide.c,v 1.51 2000/01/16 21:31:28 bouyer Exp $ */
/*
@ -2135,6 +2135,7 @@ sis_chip_map(sc, pa)
{
struct pciide_channel *cp;
int channel;
u_int32_t rev;
u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0);
pcireg_t interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc,
sc->sc_tag, PCI_CLASS_REG));
@ -2146,14 +2147,20 @@ sis_chip_map(sc, pa)
sc->sc_wdcdev.sc_dev.dv_xname);
pciide_mapreg_dma(sc, pa);
printf("\n");
if (sc->sc_dma_ok)
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
rev = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG) & \
PCI_REVISION_MASK;
if (sc->sc_dma_ok) {
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA;
if (rev >= 0xd0)
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
}
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 |
WDC_CAPABILITY_MODE;
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
sc->sc_wdcdev.UDMA_cap = 2;
if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA)
sc->sc_wdcdev.UDMA_cap = 2;
sc->sc_wdcdev.set_modes = sis_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;