sparc64/dev/schizo.c

140 	struct schizo_pbm *pbm;
173 	pbm = kmem_zalloc(sizeof(*pbm), KM_NOSLEEP);
174 	if (pbm == NULL)
175 		panic("schizo: can't alloc schizo pbm");
177 	pbm->sp_sc = sc;
178 	pbm->sp_regt = sc->sc_bustag;
181 		pbm->sp_bus_a = 1;
183 		pbm->sp_bus_a = 0;
190 			  BUS_SPACE_MAP_LINEAR, &pbm->sp_intrh)) {
196 	    &pbm->sp_nrange, (void **)&pbm->sp_range))
206 	    pbm->sp_bus_a ? 'A' : 'B', busranges[0], busranges[1]);
209 	if (bus_space_subregion(pbm->sp_regt, sc->sc_ctrlh,
210 	    pbm->sp_bus_a ? offsetof(struct schizo_regs, pbm_a) :
213 	    &pbm->sp_regh)) {
217 	is = &pbm->sp_is;
218 	pbm->sp_sb.sb_is = is;
223 		vaddr_t va = (vaddr_t)&pbm->sp_flush[0x40];
230 		is->is_sb[0] = &pbm->sp_sb;
233 		bus_space_subregion(pbm->sp_regt, pbm->sp_regh,
239 	schizo_init_iommu(sc, pbm);
241 	pbm->sp_memt = schizo_alloc_mem_tag(pbm);
242 	pbm->sp_iot = schizo_alloc_io_tag(pbm);
243 	pbm->sp_cfgt = schizo_alloc_config_tag(pbm);
244 	pbm->sp_dmat = schizo_alloc_dma_tag(pbm);
245 	pbm->sp_flags = (pbm->sp_memt ? PCI_FLAGS_MEM_OKAY : 0) |
246 		        (pbm->sp_iot ? PCI_FLAGS_IO_OKAY : 0);
248 	if (bus_space_map(pbm->sp_cfgt, 0, 0x1000000, 0, &pbm->sp_cfgh))
251 	pbm->sp_pc = schizo_alloc_chipset(pbm, sc->sc_node,
253 	pbm->sp_pc->spc_busmax = busranges[1];
254 	pbm->sp_pc->spc_busnode = kmem_zalloc(sizeof(*pbm->sp_pc->spc_busnode),
256 	if (pbm->sp_pc->spc_busnode == NULL)
261 	pba.pba_pc = pbm->sp_pc;
262 	pba.pba_flags = pbm->sp_flags;
263 	pba.pba_dmat = pbm->sp_dmat;
265 	pba.pba_memt = pbm->sp_memt;
266 	pba.pba_iot = pbm->sp_iot;
270 	schizo_pbm_write(pbm, SCZ_PCI_INTR_RETRY, 5);
273 	schizo_pbm_write(pbm, SCZ_PCI_CTRL, schizo_pbm_read(pbm, SCZ_PCI_CTRL));
274 	schizo_pbm_write(pbm, SCZ_PCI_AFSR, schizo_pbm_read(pbm, SCZ_PCI_AFSR));
275 	schizo_cfg_write(pbm, PCI_COMMAND_STATUS_REG,
276 	    schizo_cfg_read(pbm, PCI_COMMAND_STATUS_REG));
278 	reg = schizo_pbm_read(pbm, SCZ_PCI_CTRL);
282 	schizo_pbm_write(pbm, SCZ_PCI_CTRL, reg);
284 	reg = schizo_pbm_read(pbm, SCZ_PCI_DIAG);
287 	schizo_pbm_write(pbm, SCZ_PCI_DIAG, reg);
289 	if (pbm->sp_bus_a)
290 		schizo_set_intr(sc, pbm, PIL_HIGH, schizo_pci_error,
291 		   pbm, SCZ_PCIERR_A_INO, "pci_a");
293 		schizo_set_intr(sc, pbm, PIL_HIGH, schizo_pci_error,
294 		   pbm, SCZ_PCIERR_B_INO, "pci_b");
297 	schizo_set_intr(sc, pbm, PIL_HIGH, schizo_ue, sc, SCZ_UE_INO,
299 	schizo_set_intr(sc, pbm, PIL_HIGH, schizo_ce, sc, SCZ_CE_INO,
301 	schizo_set_intr(sc, pbm, PIL_HIGH, schizo_safari_error, sc,
316 		schizo_pbm_write(pbm, SCZ_PCI_IOCACHE_CSR, iocache_csr);
417 schizo_init_iommu(struct schizo_softc *sc, struct schizo_pbm *pbm)
419 	struct iommu_state *is = &pbm->sp_is;
425 	is->is_bustag = pbm->sp_regt;
426 	bus_space_subregion(is->is_bustag, pbm->sp_regh,
508 schizo_set_intr(struct schizo_softc *sc, struct schizo_pbm *pbm, int ipl,
530 	intrregs = (uintptr_t)bus_space_vaddr(pbm->sp_regt, pbm->sp_intrh);
535 	ih->ih_number = INTVEC(schizo_pbm_read(pbm, mapoff));
540 	schizo_pbm_write(pbm, mapoff,
566 schizo_alloc_bus_tag(struct schizo_pbm *pbm, const char *name, int type)
568 	struct schizo_softc *sc = pbm->sp_sc;
576 	bt->cookie = pbm;
586 schizo_alloc_dma_tag(struct schizo_pbm *pbm)
588 	struct schizo_softc *sc = pbm->sp_sc;
595 	dt->_cookie = pbm;
616 schizo_alloc_chipset(struct schizo_pbm *pbm, int node, pci_chipset_tag_t pc)
624 	npc->cookie = pbm;
639 	struct schizo_pbm *pbm = t->_cookie;
645 		(*dmamp)->_dm_cookie = &pbm->sp_sb;
650 get_schizorange(struct schizo_pbm *pbm, int ss)
654 	for (i = 0; i < pbm->sp_nrange; i++) {
655 		if (((pbm->sp_range[i].cspace >> 24) & 0x03) == ss)
656 			return (&pbm->sp_range[i]);
667 	struct schizo_pbm *pbm = t->cookie;
668 	struct schizo_softc *sc = pbm->sp_sc;
681 	sr = get_schizorange(pbm, ss);
700 	struct schizo_pbm *pbm = t->cookie;
701 	struct schizo_softc *sc = pbm->sp_sc;
710 	sr = get_schizorange(pbm, ss);
730 	struct schizo_pbm *pbm = pa->pa_pc->cookie;
731 	struct schizo_softc *sc = pbm->sp_sc;
742 	struct schizo_pbm *pbm = t->cookie;
775 	intrregs = (uintptr_t)bus_space_vaddr(pbm->sp_regt, pbm->sp_intrh);
780 		ino |= schizo_pbm_readintr(pbm, mapoff) & INTMAP_IGN;
808 		imap = schizo_pbm_readintr(pbm, mapoff);
815 		schizo_pbm_writeintr(pbm, mapoff, imap);
816 		imap = schizo_pbm_readintr(pbm, mapoff);
823 		schizo_pbm_writeintr(pbm, clroff, 0);
834 	struct schizo_pbm *pbm = (struct schizo_pbm *)pc->cookie;
837 	cookie = bus_intr_establish(pbm->sp_memt, ih, level, func, arg);