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
le_ioasic_attach(struct device *parent, struct device *self, void *aux)
{
struct le_ioasic_softc *sc = (void *)self;
struct ioasicdev_attach_args *d = aux;
struct am7990_softc *le = &sc->sc_am7990;
bus_space_tag_t ioasic_bst;
bus_space_handle_t ioasic_bsh;
bus_dma_tag_t dmat;
bus_dma_segment_t seg;
tc_addr_t tca;
u_int32_t ssr;
int rseg;
caddr_t le_iomem;
ioasic_bst = ((struct ioasic_softc *)parent)->sc_bst;
ioasic_bsh = ((struct ioasic_softc *)parent)->sc_bsh;
dmat = sc->sc_dmat = ((struct ioasic_softc *)parent)->sc_dmat;
/*
* Allocate a DMA area for the chip.
*/
if (bus_dmamem_alloc(dmat, LE_IOASIC_MEMSIZE, LE_IOASIC_MEMALIGN,
0, &seg, 1, &rseg, BUS_DMA_NOWAIT)) {
printf("can't allocate DMA area for LANCE\n");
return;
}
if (bus_dmamem_map(dmat, &seg, rseg, LE_IOASIC_MEMSIZE,
&le_iomem, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
printf("can't map DMA area for LANCE\n");
bus_dmamem_free(dmat, &seg, rseg);
return;
}
/*
* Create and load the DMA map for the DMA area.
*/
if (bus_dmamap_create(dmat, LE_IOASIC_MEMSIZE, 1,
LE_IOASIC_MEMSIZE, 0, BUS_DMA_NOWAIT, &sc->sc_dmamap)) {
printf("can't create DMA map\n");
goto bad;
}
if (bus_dmamap_load(dmat, sc->sc_dmamap,
le_iomem, LE_IOASIC_MEMSIZE, NULL, BUS_DMA_NOWAIT)) {
printf("can't load DMA map\n");
goto bad;
}
/*
* Bind 128KB buffer with IOASIC DMA.
*/
tca = IOASIC_DMA_ADDR(sc->sc_dmamap->dm_segs[0].ds_addr);
bus_space_write_4(ioasic_bst, ioasic_bsh, IOASIC_LANCE_DMAPTR, tca);
ssr = bus_space_read_4(ioasic_bst, ioasic_bsh, IOASIC_CSR);
ssr |= IOASIC_CSR_DMAEN_LANCE;
bus_space_write_4(ioasic_bst, ioasic_bsh, IOASIC_CSR, ssr);
sc->sc_r1 = (struct lereg1 *)
TC_DENSE_TO_SPARSE(TC_PHYS_TO_UNCACHED(d->iada_addr));
le->sc_mem = (void *)TC_PHYS_TO_UNCACHED(le_iomem);
le->sc_copytodesc = le_ioasic_copytobuf_gap2;
le->sc_copyfromdesc = le_ioasic_copyfrombuf_gap2;
le->sc_copytobuf = le_ioasic_copytobuf_gap16;
le->sc_copyfrombuf = le_ioasic_copyfrombuf_gap16;
le->sc_zerobuf = le_ioasic_zerobuf_gap16;
dec_le_common_attach(&sc->sc_am7990,
(u_char *)((struct ioasic_softc *)parent)->sc_base
+ IOASIC_SLOT_2_START);
ioasic_intr_establish(parent, d->iada_cookie, IPL_NET,
am7990_intr, sc, self->dv_xname);
return;
bad:
bus_dmamem_unmap(dmat, le_iomem, LE_IOASIC_MEMSIZE);
bus_dmamem_free(dmat, &seg, rseg);
}