61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
/*
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* Driver for P64H2 IOxAPIC
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*
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* This is an ioapic which appears in PCI space.
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* This driver currently does nothing useful but will eventually
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* thwak the ioapic into working correctly.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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static int p64h2match __P((struct device *, struct cfdata *, void *));
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static void p64h2attach __P((struct device *, struct device *, void *));
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struct p64h2apic_softc
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{
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pcitag_t sc_tag;
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};
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CFATTACH_DECL(p64h2apic, sizeof(struct p64h2apic_softc),
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p64h2match, p64h2attach, NULL, NULL);
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int p64h2print __P((void *, const char *pnp));
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static int
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p64h2match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct pci_attach_args *pa = aux;
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if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL &&
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PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEL_82870P2_IOxAPIC)
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return (1);
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return (0);
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}
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static void
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p64h2attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct p64h2apic_softc *sc = (void *) self;
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struct pci_attach_args *pa = aux;
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char devinfo[256];
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pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
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printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
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sc->sc_tag = pa->pa_tag;
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}
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