/* ARGSUSED */
int
osiop_pcctwo_match(device_t parent, cfdata_t cf, void *args)
{
struct pcctwo_attach_args *pa;
bus_space_handle_t bsh;
int rv;
pa = args;
if (strcmp(pa->pa_name, osiop_cd.cd_name))
return (0);
/*
* See if the SCSI controller is responding.
*/
if (bus_space_map(pa->pa_bust, pa->pa_offset, OSIOP_NREGS, 0, &bsh))
return (0);
rv = bus_space_peek_1(pa->pa_bust, bsh, OSIOP_CTEST8, NULL);
bus_space_unmap(pa->pa_bust, bsh, OSIOP_NREGS);
if (rv)
return (0);
pa->pa_ipl = cf->pcctwocf_ipl;
return (1);
}
static int
bwtwomatch_any(struct device *parent, struct cfdata *cf, void *aux)
{
struct mainbus_attach_args *ma = aux;
bus_space_handle_t bh;
int matched;
/* Make sure there is something there... */
if (bus_space_map(ma->ma_bustag, ma->ma_paddr + BWREG_REG,
sizeof(struct bwtworeg), 0, &bh))
return (0);
matched = (bus_space_peek_1(ma->ma_bustag, bh, 0, NULL) == 0);
bus_space_unmap(ma->ma_bustag, bh, sizeof(struct bwtworeg));
return (matched);
}
uint32_t
ofw_pci_read_config_common(device_t dev, u_int regmax, u_long offset,
u_int bus, u_int slot, u_int func, u_int reg, int width)
{
struct ofw_pci_softc *sc;
bus_space_handle_t bh;
uint32_t r, wrd;
int i;
uint16_t shrt;
uint8_t byte;
sc = device_get_softc(dev);
if (bus < sc->sc_pci_secbus || bus > sc->sc_pci_subbus ||
slot > PCI_SLOTMAX || func > PCI_FUNCMAX || reg > regmax)
return (-1);
bh = sc->sc_pci_bh[OFW_PCI_CS_CONFIG];
switch (width) {
case 1:
i = bus_space_peek_1(sc->sc_pci_cfgt, bh, offset, &byte);
r = byte;
break;
case 2:
i = bus_space_peek_2(sc->sc_pci_cfgt, bh, offset, &shrt);
r = shrt;
break;
case 4:
i = bus_space_peek_4(sc->sc_pci_cfgt, bh, offset, &wrd);
r = wrd;
break;
default:
panic("%s: bad width %d", __func__, width);
/* NOTREACHED */
}
if (i) {
#ifdef OFW_PCI_DEBUG
printf("%s: read data error reading: %d.%d.%d: 0x%x\n",
__func__, bus, slot, func, reg);
#endif
r = -1;
}
return (r);
}
static int
tod_obio_match(device_t parent, cfdata_t cf, void *args)
{
struct obio_attach_args *oba = args;
bus_space_handle_t bh;
int matched;
/* This driver only supports one unit. */
if (tod_attached)
return 0;
/* Make sure there is something there... */
if (bus_space_map(oba->oba_bustag, oba->oba_paddr, MM58167REG_BANK_SZ,
0, &bh))
return 0;
matched = (bus_space_peek_1(oba->oba_bustag, bh, 0, NULL) == 0);
bus_space_unmap(oba->oba_bustag, bh, MM58167REG_BANK_SZ);
return matched;
}
