103 lines
2.0 KiB
C
103 lines
2.0 KiB
C
#include <sys/types.h>
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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/pcivar.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/ofw/openfirm.h>
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#include <machine/autoconf.h>
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static void obio_attach __P((struct device *, struct device *, void *));
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static int obio_match __P((struct device *, struct cfdata *, void *));
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static int obio_print __P((void *, const char *));
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struct obio_softc {
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struct device sc_dev;
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int sc_node;
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};
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struct cfattach obio_ca = {
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sizeof(struct obio_softc), obio_match, obio_attach
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};
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int
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obio_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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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_APPLE &&
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PCI_PRODUCT(pa->pa_id) == 2)
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return 1;
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return 0;
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}
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/*
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* Attach all the sub-devices we can find
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*/
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void
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obio_attach(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 obio_softc *sc = (struct obio_softc *)self;
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struct confargs ca;
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int node, child, namelen;
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u_int reg[20];
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int intr[5];
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char name[32];
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node = OF_finddevice("/bandit/gc"); /* XXX */
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sc->sc_node = node;
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if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 12)
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return;
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ca.ca_baseaddr = reg[2];
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printf(": addr 0x%x\n", ca.ca_baseaddr);
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for (child = OF_child(node); child; child = OF_peer(child)) {
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namelen = OF_getprop(child, "name", name, sizeof(name));
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if (namelen < 0)
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continue;
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if (namelen >= sizeof(name))
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continue;
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name[namelen] = 0;
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ca.ca_name = name;
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ca.ca_node = child;
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ca.ca_nreg = OF_getprop(child, "reg", reg, sizeof(reg));
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ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr,
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sizeof(intr));
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ca.ca_reg = reg;
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ca.ca_intr = intr;
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config_found(self, &ca, obio_print);
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}
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}
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int
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obio_print(aux, obio)
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void *aux;
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const char *obio;
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{
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struct confargs *ca = aux;
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if (obio)
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printf("%s at %s", ca->ca_name, obio);
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if (ca->ca_nreg > 0)
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printf(" offset 0x%x", ca->ca_reg[0]);
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return UNCONF;
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}
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