1 /* $NetBSD: cpc_mainbus.c,v 1.8 2020/11/21 15:42:20 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart@augustsson.net) at Sandburst Corp. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: cpc_mainbus.c,v 1.8 2020/11/21 15:42:20 thorpej Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/extent.h> 37 #include <sys/device.h> 38 #include <sys/kmem.h> 39 #include <sys/systm.h> 40 41 #include <sys/bus.h> 42 #include "locators.h" 43 44 #include <dev/pci/pcivar.h> 45 #include <dev/pci/pcireg.h> 46 #include <dev/pci/pciconf.h> 47 48 #include <dev/ic/cpc700reg.h> 49 #include <dev/ic/cpc700var.h> 50 #include <dev/ic/cpc700uic.h> 51 52 #include <machine/pmppc.h> 53 #include <arch/evbppc/pmppc/dev/mainbus.h> 54 55 struct genppc_pci_chipset *genppc_pct; 56 57 void 58 cpc_attach(device_t self, pci_chipset_tag_t pc, bus_space_tag_t mem, 59 bus_space_tag_t pciio, bus_dma_tag_t tag, int attachpci, 60 uint freq); 61 62 static int cpc_mainbus_match(device_t, cfdata_t, void *); 63 static void cpc_mainbus_attach(device_t, device_t, void *); 64 65 CFATTACH_DECL_NEW(cpc_mainbus, 0, 66 cpc_mainbus_match, cpc_mainbus_attach, NULL, NULL); 67 68 int 69 cpc_mainbus_match(device_t parent, cfdata_t cf, void *aux) 70 { 71 struct mainbus_attach_args *maa = aux; 72 73 return (strcmp(maa->mb_name, "cpc") == 0); 74 } 75 76 void 77 cpc_mainbus_attach(device_t parent, device_t self, void *aux) 78 { 79 struct genppc_pci_chipset_businfo *pbi; 80 81 genppc_pct = kmem_alloc(sizeof(struct genppc_pci_chipset), KM_SLEEP); 82 pmppc_pci_get_chipset_tag(genppc_pct); 83 pbi = kmem_alloc(sizeof(struct genppc_pci_chipset_businfo), KM_SLEEP); 84 pbi->pbi_properties = prop_dictionary_create(); 85 KASSERT(pbi->pbi_properties != NULL); 86 SIMPLEQ_INIT(&genppc_pct->pc_pbi); 87 SIMPLEQ_INSERT_TAIL(&genppc_pct->pc_pbi, pbi, next); 88 89 cpc_attach(self, genppc_pct, &pmppc_mem_tag, &pmppc_pci_io_tag, 90 &pci_bus_dma_tag, a_config.a_is_monarch, 91 a_config.a_bus_freq); 92 93 if (!a_config.a_is_monarch) 94 aprint_error_dev(self, "not Monarch, pci not attached\n"); 95 } 96