p64h2apic.c revision 1.3 
1/*
2 * Driver for P64H2 IOxAPIC
3 *
4 * This is an ioapic which appears in PCI space.
5 * This driver currently does nothing useful but will eventually
6 * thwak the ioapic into working correctly.
7 */
8
9#include <sys/param.h>
10#include <sys/systm.h>
11#include <sys/kernel.h>
12#include <sys/device.h>
13
14#include <dev/pci/pcireg.h>
15#include <dev/pci/pcivar.h>
16#include <dev/pci/pcidevs.h>
17
18static int	p64h2match __P((struct device *, struct cfdata *, void *));
19static void	p64h2attach __P((struct device *, struct device *, void *));
20
21struct p64h2apic_softc
22{
23	pcitag_t sc_tag;
24};
25
26CFATTACH_DECL(p64h2apic, sizeof(struct p64h2apic_softc),
27    p64h2match, p64h2attach, NULL, NULL);
28
29int	p64h2print __P((void *, const char *pnp));
30
31
32static int
33p64h2match(parent, match, aux)
34	struct device *parent;
35	struct cfdata *match;
36	void *aux;
37{
38	struct pci_attach_args *pa = aux;
39
40	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL &&
41	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEL_82870P2_IOxAPIC)
42		return (1);
43
44	return (0);
45}
46
47static void
48p64h2attach(parent, self, aux)
49	struct device *parent, *self;
50	void *aux;
51{
52	struct p64h2apic_softc *sc = (void *) self;
53	struct pci_attach_args *pa = aux;
54	char devinfo[256];
55
56	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
57	printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));
58
59	sc->sc_tag = pa->pa_tag;
60}
61