static int
mcclock_ioasic_match(device_t parent, cfdata_t cf, void *aux)
{
struct ioasicdev_attach_args *d = aux;
if (strcmp("mc146818", d->iada_modname) != 0)
return (0);
if (tc_badaddr(d->iada_addr))
return (0);
return (1);
}
int
tcfb_cnattach(int slotno)
{
paddr_t tcaddr;
char tcname[TC_ROM_LLEN];
int i;
tcaddr = promcall(callv->_slot_address, slotno);
if (tc_badaddr(tcaddr) || tc_checkslot(tcaddr, tcname) == 0)
panic("TC console designated by PROM does not exist!?");
for (i = 0; i < __arraycount(cnboards); i++) {
if (strncmp(tcname, cnboards[i].cb_tcname, TC_ROM_LLEN) == 0)
break;
}
if (i == __arraycount(cnboards))
return (0);
(cnboards[i].cb_cnattach)((tc_addr_t)TC_PHYS_TO_UNCACHED(tcaddr));
return (1);
}
void
tcattach(struct device *parent, struct device *self, void *aux)
{
struct tc_softc *sc = device_private(self);
struct tcbus_attach_args *tba = aux;
struct tc_attach_args ta;
const struct tc_builtin *builtin;
struct tc_slotdesc *slot;
tc_addr_t tcaddr;
int i;
int locs[TCCF_NLOCS];
printf(": %s MHz clock\n",
tba->tba_speed == TC_SPEED_25_MHZ ? "25" : "12.5");
/*
* Save important CPU/chipset information.
*/
sc->sc_speed = tba->tba_speed;
sc->sc_nslots = tba->tba_nslots;
sc->sc_slots = tba->tba_slots;
sc->sc_intr_evcnt = tba->tba_intr_evcnt;
sc->sc_intr_establish = tba->tba_intr_establish;
sc->sc_intr_disestablish = tba->tba_intr_disestablish;
sc->sc_get_dma_tag = tba->tba_get_dma_tag;
/*
* Try to configure each built-in device
*/
for (i = 0; i < tba->tba_nbuiltins; i++) {
builtin = &tba->tba_builtins[i];
/* sanity check! */
if (builtin->tcb_slot > sc->sc_nslots)
panic("tcattach: builtin %d slot > nslots", i);
/*
* Make sure device is really there, because some
* built-in devices are really optional.
*/
tcaddr = sc->sc_slots[builtin->tcb_slot].tcs_addr +
builtin->tcb_offset;
if (tc_badaddr(tcaddr))
continue;
/*
* Set up the device attachment information.
*/
strncpy(ta.ta_modname, builtin->tcb_modname, TC_ROM_LLEN);
ta.ta_memt = tba->tba_memt;
ta.ta_dmat = (*sc->sc_get_dma_tag)(builtin->tcb_slot);
ta.ta_modname[TC_ROM_LLEN] = '\0';
ta.ta_slot = builtin->tcb_slot;
ta.ta_offset = builtin->tcb_offset;
ta.ta_addr = tcaddr;
ta.ta_cookie = builtin->tcb_cookie;
ta.ta_busspeed = sc->sc_speed;
/*
* Mark the slot as used, so we don't check it later.
*/
sc->sc_slots[builtin->tcb_slot].tcs_used = 1;
locs[TCCF_SLOT] = builtin->tcb_slot;
locs[TCCF_OFFSET] = builtin->tcb_offset;
/*
* Attach the device.
*/
config_found_sm_loc(self, "tc", locs, &ta,
tcprint, config_stdsubmatch);
}
/*
* Try to configure each unused slot, last to first.
*/
for (i = sc->sc_nslots - 1; i >= 0; i--) {
slot = &sc->sc_slots[i];
/* If already checked above, don't look again now. */
if (slot->tcs_used)
continue;
/*
* Make sure something is there, and find out what it is.
*/
tcaddr = slot->tcs_addr;
if (tc_badaddr(tcaddr))
continue;
if (tc_checkslot(tcaddr, ta.ta_modname) == 0)
continue;
/*
* Set up the rest of the attachment information.
*/
ta.ta_memt = tba->tba_memt;
ta.ta_dmat = (*sc->sc_get_dma_tag)(i);
ta.ta_slot = i;
ta.ta_offset = 0;
ta.ta_addr = tcaddr;
ta.ta_cookie = slot->tcs_cookie;
/*
* Mark the slot as used.
*/
slot->tcs_used = 1;
locs[TCCF_SLOT] = i;
locs[TCCF_OFFSET] = 0;
/*
* Attach the device.
*/
config_found_sm_loc(self, "tc", locs, &ta,
tcprint, config_stdsubmatch);
}
}
