119 lines
3.6 KiB
C
119 lines
3.6 KiB
C
/* $NetBSD: bonito_mainbus.c,v 1.3 2015/06/09 15:58:38 macallan Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: bonito_mainbus.c,v 1.3 2015/06/09 15:58:38 macallan Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/reboot.h>
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#include <sys/device.h>
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#include <sys/bus.h>
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#include <mips/cpuregs.h>
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#include <mips/bonito/bonitoreg.h>
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#include <evbmips/loongson/autoconf.h>
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#include <evbmips/loongson/loongson_bus_defs.h>
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#include <dev/pci/pcivar.h>
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static int bonito_mainbus_match(device_t, cfdata_t, void *);
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static void bonito_mainbus_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(bonito_mainbus, 0,
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bonito_mainbus_match, bonito_mainbus_attach, NULL, NULL);
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extern struct cfdriver bonito_cd;
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int
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bonito_mainbus_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct mainbus_attach_args * const maa = aux;
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if (strcmp(maa->maa_name, bonito_cd.cd_name) == 0)
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return (1);
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return (0);
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}
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void
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bonito_mainbus_attach(device_t parent, device_t self, void *aux)
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{
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struct pcibus_attach_args pba;
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pcireg_t rev;
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bool compatible;
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self->dv_private = __UNCONST(&sys_platform->bonito_config);
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/*
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* Loongson 2F processors do not use a real Bonito64 chip but
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* their own derivative, which is no longer 100% compatible.
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* We need to make sure we never try to access an unimplemented
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* register...
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*/
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if (loongson_ver >= 0x2f)
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compatible = false;
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else
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compatible = true;
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/*
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* There is only one PCI controller on a Loongson chip.
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*/
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rev = PCI_REVISION(REGVAL(BONITO_PCICLASS));
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if (compatible) {
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aprint_normal(": BONITO Memory and PCI controller,"
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" %s rev. %d.%d\n", BONITO_REV_FPGA(rev) ? "FPGA" : "ASIC",
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BONITO_REV_MAJOR(rev), BONITO_REV_MINOR(rev));
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} else {
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aprint_normal(": Memory and PCI-X controller, rev. %d\n",
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PCI_REVISION(rev));
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}
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/*
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* Attach PCI bus.
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*/
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pba.pba_flags = PCI_FLAGS_IO_OKAY | PCI_FLAGS_MEM_OKAY;
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pba.pba_bus = 0;
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pba.pba_bridgetag = NULL;
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pba.pba_iot = &bonito_iot;
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pba.pba_memt = &bonito_memt;
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pba.pba_dmat = &bonito_dmat;
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pba.pba_dmat64 = NULL;
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pba.pba_pc = &bonito_pc;
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(void) config_found_ia(self, "pcibus", &pba, pcibusprint);
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}
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