FreeBSD/Linux Kernel Cross Reference
sys/mips/malta/gt.c

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2005 Olivier Houchard.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/12.0/sys/mips/malta/gt.c 326259 2017-11-27 15:07:26Z pfg $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/kernel.h>
    #include <sys/malloc.h>
    #include <sys/module.h>
    #include <sys/rman.h>
    #include <sys/types.h>
    
    #include <vm/vm.h>
    #include <vm/vm_kern.h>
    #include <vm/pmap.h>
    #include <vm/vm_page.h>
    #include <vm/vm_extern.h>
    
    #include <dev/ic/i8259.h>
    
    #include <machine/bus.h>
    #include <machine/intr_machdep.h>
    
    #include <mips/malta/gtvar.h>
    
    static int
    gt_probe(device_t dev)
    {
            device_set_desc(dev, "GT64120 chip");
            return (BUS_PROBE_NOWILDCARD);
    }
    
    static void
    gt_identify(driver_t *drv, device_t parent)
    {
            BUS_ADD_CHILD(parent, 0, "gt", 0);
    }
    
    static int
    gt_attach(device_t dev)
    {
            struct gt_softc *sc = device_get_softc(dev);
            sc->dev = dev;
    
            device_add_child(dev, "pcib", 0);
            bus_generic_probe(dev);
            bus_generic_attach(dev);
    
    
            return (0);
    }
    
    static struct resource *
    gt_alloc_resource(device_t dev, device_t child, int type, int *rid,
        rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
    {
            return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
                        type, rid, start, end, count, flags));
            
    }
    
    static int
    gt_setup_intr(device_t dev, device_t child,
        struct resource *ires, int flags, driver_filter_t *filt, 
        driver_intr_t *intr, void *arg, void **cookiep)
    {
            return BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags, 
                filt, intr, arg, cookiep);
    }
    
    static int
    gt_teardown_intr(device_t dev, device_t child, struct resource *res,
        void *cookie)
   {
           return (BUS_TEARDOWN_INTR(device_get_parent(dev), child, res, cookie));
   }
   
   static int
   gt_activate_resource(device_t dev, device_t child, int type, int rid,
       struct resource *r)
   {
           return (BUS_ACTIVATE_RESOURCE(device_get_parent(dev), child,
                       type, rid, r));
   }
   
   static device_method_t gt_methods[] = {
           DEVMETHOD(device_probe, gt_probe),
           DEVMETHOD(device_identify, gt_identify),
           DEVMETHOD(device_attach, gt_attach),
   
           DEVMETHOD(bus_setup_intr, gt_setup_intr),
           DEVMETHOD(bus_teardown_intr, gt_teardown_intr),
           DEVMETHOD(bus_alloc_resource, gt_alloc_resource),
           DEVMETHOD(bus_activate_resource, gt_activate_resource),
   
           DEVMETHOD_END
   };
   
   static driver_t gt_driver = {
           "gt",
           gt_methods,
           sizeof(struct gt_softc),
   };
   static devclass_t gt_devclass;
   
   DRIVER_MODULE(gt, nexus, gt_driver, gt_devclass, 0, 0);

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