/* $NetBSD: obio.c,v 1.24 2006/08/05 21:26:48 sanjayl 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 __KERNEL_RCSID(0, "$NetBSD: obio.c,v 1.24 2006/08/05 21:26:48 sanjayl Exp $"); #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 *, struct cfdata *, void *)); static int obio_print __P((void *, const char *)); struct obio_softc { struct device sc_dev; int sc_node; }; CFATTACH_DECL(obio, sizeof(struct obio_softc), obio_match, obio_attach, NULL, NULL); int obio_match(parent, cf, aux) struct device *parent; struct cfdata *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_PANGEA_MACIO: case PCI_PRODUCT_APPLE_INTREPID: case PCI_PRODUCT_APPLE_K2: return 1; } return 0; } /* * 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_int reg[20]; int intr[6], parent_intr = 0, parent_nintr = 0; char name[32]; char compat[32]; 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_PANGEA_MACIO: case PCI_PRODUCT_APPLE_INTREPID: node = pcidev_to_ofdev(pa->pa_pc, pa->pa_tag); if (node == -1) node = OF_finddevice("mac-io"); if (node == -1) node = OF_finddevice("/pci/mac-io"); break; case PCI_PRODUCT_APPLE_K2: node = OF_finddevice("mac-io"); if (node == -1) panic("macio not found"); break; default: printf("obio_attach: unknown obio controller\n"); return; } sc->sc_node = node; #if defined (PMAC_G5) if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 20) { return; } #else if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 12) return; #endif /* PMAC_G5 */ ca.ca_baseaddr = reg[2]; printf(": addr 0x%x\n", ca.ca_baseaddr); /* Enable internal modem (KeyLargo) */ if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_KEYLARGO) { printf("enabling KeyLargo internal modem\n"); out32rb(ca.ca_baseaddr + 0x40, in32rb(ca.ca_baseaddr + 0x40) & ~((u_int32_t)1<<25)); } /* Enable internal modem (Pangea) */ if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_PANGEA_MACIO) { out8(ca.ca_baseaddr + 0x006a + 0x03, 0x04); /* set reset */ out8(ca.ca_baseaddr + 0x006a + 0x02, 0x04); /* power modem on */ out8(ca.ca_baseaddr + 0x006a + 0x03, 0x05); /* unset reset */ } /* Gatwick and Paddington use same product ID */ namelen = OF_getprop(node, "compatible", compat, sizeof(compat)); if (strcmp(compat, "gatwick") == 0) { parent_nintr = OF_getprop(node, "AAPL,interrupts", intr, sizeof(intr)); parent_intr = intr[0]; } else { /* Enable CD and microphone sound input. */ if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_PADDINGTON) out8(ca.ca_baseaddr + 0x37, 0x03); } 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)); if (strcmp(compat, "gatwick") != 0) { 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)); } else { intr[0] = parent_intr; ca.ca_nintr = parent_nintr; } ca.ca_reg = reg; ca.ca_intr = intr; config_found(self, &ca, obio_print); } } static const char *skiplist[] = { "interrupt-controller", "gpio", "escc-legacy", "timer", "i2c", "power-mgt", "escc" }; #define N_LIST (sizeof(skiplist) / sizeof(skiplist[0])) int obio_print(aux, obio) void *aux; const char *obio; { struct confargs *ca = aux; int i; for (i = 0; i < N_LIST; i++) if (strcmp(ca->ca_name, skiplist[i]) == 0) return QUIET; if (obio) aprint_normal("%s at %s", ca->ca_name, obio); if (ca->ca_nreg > 0) aprint_normal(" offset 0x%x", ca->ca_reg[0]); return UNCONF; }