/* $NetBSD: obio.c,v 1.6 1999/05/01 10:36:08 tsubai Exp $ */ /*- * Copyright (C) 1998 Internet Research Institute, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by * Internet Research Institute, Inc. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include static void obio_attach __P((struct device *, struct device *, void *)); static int obio_match __P((struct device *, void *, void *)); static int obio_print __P((void *, const char *)); struct obio_softc { struct device sc_dev; int sc_node; struct ppc_bus_space sc_membus_space; }; struct cfdriver obio_cd = { NULL, "macobio", DV_DULL, }; struct cfattach obio_ca = { sizeof(struct obio_softc), obio_match, obio_attach }; int obio_match(parent, cf, aux) struct device *parent; void *cf; void *aux; { struct pci_attach_args *pa = aux; if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE) switch (PCI_PRODUCT(pa->pa_id)) { case 0x02: /* gc */ case 0x07: /* ohare */ case 0x10: /* mac-io "Heathrow" */ case 0x17: /* mac-io "Paddington" */ case 0x22: /* mac-io "Keylargo" */ return 1; } return 0; } #define HEATHROW_FCR_OFFSET 0x38 u_int32_t *heathrow_FCR = NULL; /* * Attach all the sub-devices we can find */ void obio_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct obio_softc *sc = (struct obio_softc *)self; struct pci_attach_args *pa = aux; struct confargs ca; int node, child, namelen; u_int32_t reg[20]; int32_t intr[5]; char name[32]; int need_interrupt_controller = 0; switch (PCI_PRODUCT(pa->pa_id)) { /* XXX should not use name */ case 0x02: node = OF_finddevice("/bandit/gc"); need_interrupt_controller = 1; break; case 0x07: node = OF_finddevice("/bandit/ohare"); need_interrupt_controller = 1; break; case 0x10: /* heathrow */ case 0x17: /* paddington */ node = OF_finddevice("mac-io"); if (node == -1) node = OF_finddevice("/pci/mac-io"); if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) == (sizeof (reg[0]) * 5)) { /* always ??? */ heathrow_FCR = mapiodev(reg[2] + HEATHROW_FCR_OFFSET, 4); } break; case 0x22: /* keylargo */ node = OF_finddevice("mac-io"); if (node == -1) node = OF_finddevice("/pci/mac-io"); break; default: printf(": unknown obio controller\n"); return; } sc->sc_node = node; if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 12) return; ca.ca_baseaddr = reg[2]; sc->sc_membus_space.bus_base = ca.ca_baseaddr; sc->sc_membus_space.bus_reverse = 1; ca.ca_iot = &sc->sc_membus_space; printf("\n"); /* * This might be a hack, but it makes the interrupt controller * attach as expected if a device node existed in the OF tree. */ if (need_interrupt_controller) { /* force attachment of legacy interrupt controllers */ ca.ca_name = "legacy-interrupt-controller"; ca.ca_node = 0; ca.ca_nreg = 0; ca.ca_nintr = 0; ca.ca_reg = 0; ca.ca_intr = 0; config_found(self, &ca, obio_print); } for (child = OF_child(node); child; child = OF_peer(child)) { namelen = OF_getprop(child, "name", name, sizeof(name)); if (namelen < 0) continue; if (namelen >= sizeof(name)) continue; name[namelen] = 0; ca.ca_name = name; ca.ca_node = child; ca.ca_nreg = OF_getprop(child, "reg", reg, sizeof(reg)); ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr, sizeof(intr)); if (ca.ca_nintr == -1) ca.ca_nintr = OF_getprop(child, "interrupts", intr, sizeof(intr)); ca.ca_reg = reg; ca.ca_intr = intr; config_found(self, &ca, obio_print); } } int obio_print(aux, obio) void *aux; const char *obio; { struct confargs *ca = aux; #if 0 /* no reason to clutter the screen with unneccessary printfs */ if (obio) printf("%s at %s", ca->ca_name, obio); if (ca->ca_nreg > 0) printf(" offset 0x%x", ca->ca_reg[0]); return UNCONF; #endif return QUIET; } typedef int mac_intr_handle_t; typedef void *(intr_establish_t) __P((void *, mac_intr_handle_t, int, int, int (*func)(void *), void *, char *)); typedef void (intr_disestablish_t) __P((void *, void *)); void * undef_mac_establish(lcv, irq, type, level, ih_fun, ih_arg, name) void * lcv; int irq; int type; int level; int (*ih_fun) __P((void *)); void *ih_arg; char *name; { printf("mac_intr_establish called, not yet inited\n"); return 0; } void mac_intr_disestab(lcp, arg) void *lcp; void *arg; { printf("mac_intr_disestablish called, not yet inited\n"); } intr_establish_t *mac_intr_establish_func = undef_mac_establish; intr_disestablish_t *mac_intr_disestablish_func = mac_intr_disestab; void * mac_intr_establish(lcv, irq, type, level, ih_fun, ih_arg, name) void * lcv; int irq; int type; int level; int (*ih_fun) __P((void *)); void *ih_arg; char *name; { return (*mac_intr_establish_func)(lcv, irq, type, level, ih_fun, ih_arg, name); } void mac_intr_disestablish(lcp, arg) void *lcp; void *arg; { (*mac_intr_disestablish_func)(lcp, arg); }