1 /* $NetBSD: bonito_mainbus.c,v 1.19 2021/08/07 16:18:40 thorpej 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 1.19 2021/08/07 16:18:40 thorpej Exp $"); 34 35 #include "opt_algor_p6032.h" 36 37 #include <sys/param.h> 38 #include <sys/bus.h> 39 #include <sys/conf.h> 40 #include <sys/device.h> 41 #include <sys/reboot.h> 42 #include <sys/systm.h> 43 44 #include <algor/autoconf.h> 45 46 #include <mips/cpuregs.h> 47 #include <mips/bonito/bonitoreg.h> 48 49 #ifdef ALGOR_P6032 50 #include <algor/algor/algor_p6032var.h> 51 #endif 52 53 struct bonito_softc { 54 struct bonito_config *sc_bonito; 55 }; 56 57 int bonito_mainbus_match(device_t, cfdata_t, void *); 58 void bonito_mainbus_attach(device_t, device_t, void *); 59 60 CFATTACH_DECL_NEW(bonito_mainbus, sizeof(struct bonito_softc), 61 bonito_mainbus_match, bonito_mainbus_attach, NULL, NULL); 62 extern struct cfdriver bonito_cd; 63 64 int 65 bonito_mainbus_match(device_t parent, cfdata_t cf, void *aux) 66 { 67 struct mainbus_attach_args *ma = aux; 68 69 if (strcmp(ma->ma_name, bonito_cd.cd_name) == 0) 70 return (1); 71 72 return (0); 73 } 74 75 void 76 bonito_mainbus_attach(device_t parent, device_t self, void *aux) 77 { 78 struct bonito_softc *sc = device_private(self); 79 struct pcibus_attach_args pba; 80 struct bonito_config *bc; 81 pcireg_t rev; 82 83 /* 84 * There is only one PCI controller on an Algorithmics board. 85 */ 86 #if defined(ALGOR_P6032) 87 bc = &p6032_configuration.ac_bonito; 88 #else 89 /* I guess... XXX? */ 90 bc = NULL; 91 #endif 92 sc->sc_bonito = bc; 93 94 rev = PCI_REVISION(REGVAL(BONITO_PCICLASS)); 95 96 printf(": BONITO Memory and PCI controller, %s rev. %d.%d\n", 97 BONITO_REV_FPGA(rev) ? "FPGA" : "ASIC", 98 BONITO_REV_MAJOR(rev), BONITO_REV_MINOR(rev)); 99 100 pba.pba_flags = PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY; 101 pba.pba_bus = 0; 102 pba.pba_bridgetag = NULL; 103 104 #if defined(ALGOR_P6032) 105 { 106 struct p6032_config *acp = &p6032_configuration; 107 108 pba.pba_iot = &acp->ac_iot; 109 pba.pba_memt = &acp->ac_memt; 110 pba.pba_dmat = &acp->ac_pci_dmat; 111 pba.pba_dmat64 = NULL; 112 pba.pba_pc = &acp->ac_pc; 113 } 114 #endif /* ALGOR_P6032 */ 115 116 config_found(self, &pba, pcibusprint, CFARGS_NONE); 117 } 118