gt.c revision 265999
1/*- 2 * Copyright (c) 2005 Olivier Houchard. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25#include <sys/cdefs.h> 26__FBSDID("$FreeBSD: stable/10/sys/mips/malta/gt.c 265999 2014-05-14 01:35:43Z ian $"); 27 28#include <sys/param.h> 29#include <sys/systm.h> 30#include <sys/bus.h> 31#include <sys/kernel.h> 32#include <sys/malloc.h> 33#include <sys/module.h> 34#include <sys/rman.h> 35#include <sys/types.h> 36 37#include <vm/vm.h> 38#include <vm/vm_kern.h> 39#include <vm/pmap.h> 40#include <vm/vm_page.h> 41#include <vm/vm_extern.h> 42 43#include <dev/ic/i8259.h> 44 45#include <machine/bus.h> 46#include <machine/intr_machdep.h> 47 48#include <mips/malta/gtvar.h> 49 50static int 51gt_probe(device_t dev) 52{ 53 device_set_desc(dev, "GT64120 chip"); 54 return (BUS_PROBE_NOWILDCARD); 55} 56 57static void 58gt_identify(driver_t *drv, device_t parent) 59{ 60 BUS_ADD_CHILD(parent, 0, "gt", 0); 61} 62 63static int 64gt_attach(device_t dev) 65{ 66 struct gt_softc *sc = device_get_softc(dev); 67 sc->dev = dev; 68 69 device_add_child(dev, "pcib", 0); 70 bus_generic_probe(dev); 71 bus_generic_attach(dev); 72 73 74 return (0); 75} 76 77static struct resource * 78gt_alloc_resource(device_t dev, device_t child, int type, int *rid, 79 u_long start, u_long end, u_long count, u_int flags) 80{ 81 return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child, 82 type, rid, start, end, count, flags)); 83 84} 85 86static int 87gt_setup_intr(device_t dev, device_t child, 88 struct resource *ires, int flags, driver_filter_t *filt, 89 driver_intr_t *intr, void *arg, void **cookiep) 90{ 91 return BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags, 92 filt, intr, arg, cookiep); 93} 94 95static int 96gt_teardown_intr(device_t dev, device_t child, struct resource *res, 97 void *cookie) 98{ 99 return (BUS_TEARDOWN_INTR(device_get_parent(dev), child, res, cookie)); 100} 101 102static int 103gt_activate_resource(device_t dev, device_t child, int type, int rid, 104 struct resource *r) 105{ 106 return (BUS_ACTIVATE_RESOURCE(device_get_parent(dev), child, 107 type, rid, r)); 108} 109 110static device_method_t gt_methods[] = { 111 DEVMETHOD(device_probe, gt_probe), 112 DEVMETHOD(device_identify, gt_identify), 113 DEVMETHOD(device_attach, gt_attach), 114 115 DEVMETHOD(bus_setup_intr, gt_setup_intr), 116 DEVMETHOD(bus_teardown_intr, gt_teardown_intr), 117 DEVMETHOD(bus_alloc_resource, gt_alloc_resource), 118 DEVMETHOD(bus_activate_resource, gt_activate_resource), 119 120 DEVMETHOD_END 121}; 122 123static driver_t gt_driver = { 124 "gt", 125 gt_methods, 126 sizeof(struct gt_softc), 127}; 128static devclass_t gt_devclass; 129 130DRIVER_MODULE(gt, nexus, gt_driver, gt_devclass, 0, 0); 131