1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2005 Olivier Houchard. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD$"); 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/kernel.h> 34#include <sys/malloc.h> 35#include <sys/module.h> 36#include <sys/rman.h> 37#include <sys/types.h> 38 39#include <vm/vm.h> 40#include <vm/vm_kern.h> 41#include <vm/pmap.h> 42#include <vm/vm_page.h> 43#include <vm/vm_extern.h> 44 45#include <dev/ic/i8259.h> 46 47#include <machine/bus.h> 48#include <machine/intr_machdep.h> 49 50#include <mips/malta/gtvar.h> 51 52static int 53gt_probe(device_t dev) 54{ 55 device_set_desc(dev, "GT64120 chip"); 56 return (BUS_PROBE_NOWILDCARD); 57} 58 59static void 60gt_identify(driver_t *drv, device_t parent) 61{ 62 BUS_ADD_CHILD(parent, 0, "gt", 0); 63} 64 65static int 66gt_attach(device_t dev) 67{ 68 struct gt_softc *sc = device_get_softc(dev); 69 sc->dev = dev; 70 71 device_add_child(dev, "pcib", 0); 72 bus_generic_probe(dev); 73 bus_generic_attach(dev); 74 75 return (0); 76} 77 78static struct resource * 79gt_alloc_resource(device_t dev, device_t child, int type, int *rid, 80 rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) 81{ 82 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 83 type, rid, start, end, count, flags)); 84 85} 86 87static int 88gt_setup_intr(device_t dev, device_t child, 89 struct resource *ires, int flags, driver_filter_t *filt, 90 driver_intr_t *intr, void *arg, void **cookiep) 91{ 92 return BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags, 93 filt, intr, arg, cookiep); 94} 95 96static int 97gt_teardown_intr(device_t dev, device_t child, struct resource *res, 98 void *cookie) 99{ 100 return (BUS_TEARDOWN_INTR(device_get_parent(dev), child, res, cookie)); 101} 102 103static int 104gt_activate_resource(device_t dev, device_t child, int type, int rid, 105 struct resource *r) 106{ 107 return (BUS_ACTIVATE_RESOURCE(device_get_parent(dev), child, 108 type, rid, r)); 109} 110 111static device_method_t gt_methods[] = { 112 DEVMETHOD(device_probe, gt_probe), 113 DEVMETHOD(device_identify, gt_identify), 114 DEVMETHOD(device_attach, gt_attach), 115 116 DEVMETHOD(bus_setup_intr, gt_setup_intr), 117 DEVMETHOD(bus_teardown_intr, gt_teardown_intr), 118 DEVMETHOD(bus_alloc_resource, gt_alloc_resource), 119 DEVMETHOD(bus_activate_resource, gt_activate_resource), 120 121 DEVMETHOD_END 122}; 123 124static driver_t gt_driver = { 125 "gt", 126 gt_methods, 127 sizeof(struct gt_softc), 128}; 129static devclass_t gt_devclass; 130 131DRIVER_MODULE(gt, nexus, gt_driver, gt_devclass, 0, 0); 132