/* $OpenBSD: macobio.c,v 1.23 2022/03/13 12:33:01 mpi Exp $ */ /* $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 void macobio_attach(struct device *, struct device *, void *); int macobio_match(struct device *, void *, void *); int macobio_print(void *, const char *); void macobio_modem_power(int enable); struct macobio_softc { struct device sc_dev; int sc_node; struct ppc_bus_space sc_membus_space; int sc_id; /* copy of the PCI pa_id */ u_int8_t *obiomem; }; struct cfdriver macobio_cd = { NULL, "macobio", DV_DULL, }; const struct cfattach macobio_ca = { sizeof(struct macobio_softc), macobio_match, macobio_attach }; int macobio_match(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 PCI_PRODUCT_APPLE_GC: case PCI_PRODUCT_APPLE_OHARE: case PCI_PRODUCT_APPLE_HEATHROW: case PCI_PRODUCT_APPLE_PADDINGTON: case PCI_PRODUCT_APPLE_KEYLARGO: case PCI_PRODUCT_APPLE_INTREPID: case PCI_PRODUCT_APPLE_PANGEA_MACIO: case PCI_PRODUCT_APPLE_SHASTA: case PCI_PRODUCT_APPLE_K2_MACIO: return 1; } return 0; } #define HEATHROW_FCR_OFFSET 0x38 u_int32_t *heathrow_FCR = NULL; /* * Attach all the sub-devices we can find */ void macobio_attach(struct device *parent, struct device *self, void *aux) { struct macobio_softc *sc = (struct macobio_softc *)self; struct pci_attach_args *pa = aux; struct confargs ca; int node, child, namelen; u_int32_t reg[20]; int32_t intr[8]; char name[32]; int need_interrupt_controller = 0; sc->sc_id = pa->pa_id; /* save of type for later */ switch (PCI_PRODUCT(pa->pa_id)) { /* XXX should not use name */ case PCI_PRODUCT_APPLE_GC: node = OF_finddevice("/bandit/gc"); need_interrupt_controller = 1; break; case PCI_PRODUCT_APPLE_OHARE: node = OF_finddevice("/bandit/ohare"); need_interrupt_controller = 1; break; case PCI_PRODUCT_APPLE_HEATHROW: case PCI_PRODUCT_APPLE_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 PCI_PRODUCT_APPLE_KEYLARGO: case PCI_PRODUCT_APPLE_INTREPID: case PCI_PRODUCT_APPLE_PANGEA_MACIO: case PCI_PRODUCT_APPLE_SHASTA: case PCI_PRODUCT_APPLE_K2_MACIO: 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)) sc->obiomem = mapiodev(reg[2], 0x100); break; default: printf(": unknown macobio 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; ca.ca_iot = &sc->sc_membus_space; ca.ca_dmat = pa->pa_dmat; 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 = NULL; ca.ca_intr = NULL; config_found(self, &ca, macobio_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, macobio_print); } } int macobio_print(void *aux, const char *macobio) { struct confargs *ca = aux; if (macobio) printf("\"%s\" at %s", ca->ca_name, macobio); if (ca->ca_nreg > 0) printf(" offset 0x%x", ca->ca_reg[0]); return UNCONF; } void * mac_intr_establish(void * lcv, int irq, int type, int level, int (*ih_fun)(void *), void *ih_arg, const char *name) { return (*intr_establish_func)(lcv, irq, type, level, ih_fun, ih_arg, name); } void mac_intr_disestablish(void *lcp, void *arg) { (*intr_disestablish_func)(lcp, arg); } void macobio_enable(int offset, u_int32_t bits) { struct macobio_softc *sc = macobio_cd.cd_devs[0]; if (sc->obiomem == 0) return; bits |= in32rb(sc->obiomem + offset); out32rb(sc->obiomem + offset, bits); } void macobio_disable(int offset, u_int32_t bits) { struct macobio_softc *sc = macobio_cd.cd_devs[0]; if (sc->obiomem == 0) return; bits = in32rb(sc->obiomem + offset) & ~bits; out32rb(sc->obiomem + offset, bits); } uint8_t macobio_read(int offset) { struct macobio_softc *sc = macobio_cd.cd_devs[0]; if (sc->obiomem == 0) return -1; return in8rb(sc->obiomem + offset); } void macobio_write(int offset, uint8_t bits) { struct macobio_softc *sc = macobio_cd.cd_devs[0]; if (sc->obiomem == 0) return; out8rb(sc->obiomem + offset, bits); } void macobio_modem_power(int enable) { u_int32_t val; struct macobio_softc *sc = macobio_cd.cd_devs[0]; if (PCI_PRODUCT(sc->sc_id) == PCI_PRODUCT_APPLE_KEYLARGO || PCI_PRODUCT(sc->sc_id) == PCI_PRODUCT_APPLE_INTREPID) { val = in32rb(sc->obiomem + 0x40); if (enable) val = val & ~((u_int32_t)1<<25); else val = val | ((u_int32_t)1<<25); out32rb(sc->obiomem + 0x40, val); } if (PCI_PRODUCT(sc->sc_id) == PCI_PRODUCT_APPLE_PANGEA_MACIO) { if (enable) { /* set reset */ out8(sc->obiomem + 0x006a + 0x03, 0x04); /* power modem on */ out8(sc->obiomem + 0x006a + 0x02, 0x04); /* unset reset */ out8(sc->obiomem + 0x006a + 0x03, 0x05); } else { /* disable it how? */ } } }