1 /* $NetBSD: bonito_mainbus.c,v 1.3 2011/07/01 18:45:36 dyoung Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 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: bonito_mainbus.c,v 1.3 2011/07/01 18:45:36 dyoung Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/conf.h> 38 #include <sys/reboot.h> 39 #include <sys/device.h> 40 41 #include <sys/bus.h> 42 43 #include <mips/bonito/bonitoreg.h> 44 45 #include <evbmips/gdium/gdiumvar.h> 46 47 static int bonito_mainbus_match(device_t, cfdata_t, void *); 48 static void bonito_mainbus_attach(device_t, device_t, void *); 49 50 CFATTACH_DECL_NEW(bonito_mainbus, 0, 51 bonito_mainbus_match, bonito_mainbus_attach, NULL, NULL); 52 53 extern struct cfdriver bonito_cd; 54 55 int 56 bonito_mainbus_match(device_t parent, cfdata_t cf, void *aux) 57 { 58 struct mainbus_attach_args * const maa = aux; 59 60 if (strcmp(maa->maa_name, bonito_cd.cd_name) == 0) 61 return (1); 62 63 return (0); 64 } 65 66 void 67 bonito_mainbus_attach(device_t parent, device_t self, void *aux) 68 { 69 struct pcibus_attach_args pba; 70 struct gdium_config * const gc = &gdium_configuration; 71 pcireg_t rev; 72 73 self->dv_private = &gc->gc_bonito; 74 75 /* 76 * There is only one PCI controller on a Loongson chip. 77 */ 78 79 rev = PCI_REVISION(REGVAL(BONITO_PCICLASS)); 80 81 printf(": BONITO Memory and PCI controller, %s rev. %d.%d\n", 82 BONITO_REV_FPGA(rev) ? "FPGA" : "ASIC", 83 BONITO_REV_MAJOR(rev), BONITO_REV_MINOR(rev)); 84 85 pba.pba_flags = PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY; 86 pba.pba_bus = 0; 87 pba.pba_bridgetag = NULL; 88 89 pba.pba_iot = &gc->gc_iot; 90 pba.pba_memt = &gc->gc_memt; 91 pba.pba_dmat = &gc->gc_pci_dmat; 92 pba.pba_dmat64 = NULL; 93 pba.pba_pc = &gc->gc_pc; 94 95 (void) config_found_ia(self, "pcibus", &pba, pcibusprint); 96 } 97