text: /*	$NetBSD: obio.c,v 1.11 2003/07/15 00:25:05 lukem Exp $	*/
  
  /*-
   * Copyright (c) 2001, 2002, 2003 Wasabi Systems, Inc.
   * All rights reserved.
   *
   * Written by Jason R. Thorpe for Wasabi Systems, Inc.
   *
   * 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.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed for the NetBSD Project by
   *	Wasabi Systems, Inc.
   * 4. The name of Wasabi Systems, Inc. may not be used to endorse
   *    or promote products derived from this software without specific prior
   *    written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
   * 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.
   */
  
  /*
   * On-board device autoconfiguration support for Intel IQ80321
   * evaluation boards.
   */
  
  #include <sys/cdefs.h>
  __FBSDID("$FreeBSD: soc2013/dpl/head/sys/arm/xscale/i80321/obio.c 237588 2012-06-13 04:38:09Z imp $");
  
  #include <sys/param.h>
  #include <sys/systm.h>
  #include <sys/bus.h>
  #include <sys/kernel.h>
  #include <sys/module.h>
  #include <sys/rman.h>
  #include <sys/malloc.h>
  
  #include <machine/bus.h>
  
  #include <arm/xscale/i80321/i80321reg.h>
  
  #include <arm/xscale/i80321/iq80321reg.h>
  #include <arm/xscale/i80321/obiovar.h>
  
  int	obio_probe(device_t);
  int	obio_attach(device_t);
  
  int
  obio_probe(device_t dev)
  {
  	return (0);
  }
  
  int
  obio_attach(device_t dev)
  {
  	struct obio_softc *sc = device_get_softc(dev);
  
  	sc->oba_st = &obio_bs_tag;
  	sc->oba_addr = IQ80321_OBIO_BASE;
  	sc->oba_size = IQ80321_OBIO_SIZE;
  	sc->oba_rman.rm_type = RMAN_ARRAY;
  	sc->oba_rman.rm_descr = "OBIO I/O";
  	if (rman_init(&sc->oba_rman) != 0 ||
  	    rman_manage_region(&sc->oba_rman,
  	    sc->oba_addr, sc->oba_addr + sc->oba_size) != 0)
  		panic("obio_attach: failed to set up I/O rman");
  	sc->oba_irq_rman.rm_type = RMAN_ARRAY;
  	sc->oba_irq_rman.rm_descr = "OBIO IRQ";
  	if (rman_init(&sc->oba_irq_rman) != 0 ||
  	    rman_manage_region(&sc->oba_irq_rman, 28, 28) != 0)
  		panic("obio_attach: failed to set up IRQ rman");
  	device_add_child(dev, "uart", 0);
  	bus_generic_probe(dev);
  	bus_generic_attach(dev);
  	return (0);
  }
  
  static struct resource *
  obio_alloc_resource(device_t bus, device_t child, int type, int *rid,
      u_long start, u_long end, u_long count, u_int flags)
  {
  	struct resource *rv;
  	struct rman *rm;
  	bus_space_tag_t bt = NULL;
  	bus_space_handle_t bh = 0;
  	struct obio_softc *sc = device_get_softc(bus);
  
  	switch (type) {
  	case SYS_RES_IRQ:
  		rm = &sc->oba_irq_rman;
  		break;
  	case SYS_RES_MEMORY:
  		return (NULL);
  	case SYS_RES_IOPORT:
  		rm = &sc->oba_rman;
  		bt = sc->oba_st;
  		bh = sc->oba_addr;
  		start = bh;
  		break;
  	default:
  		return (NULL);
  	}
  
  
  	rv = rman_reserve_resource(rm, start, end, count, flags, child);
  	if (rv == NULL)
  		return (NULL);
  	if (type == SYS_RES_IRQ)
  		return (rv);
  	rman_set_rid(rv, *rid);
  	rman_set_bustag(rv, bt);
  	rman_set_bushandle(rv, bh);
  	
  	return (rv);
  
  }
  
  static int
  obio_activate_resource(device_t bus, device_t child, int type, int rid,
      struct resource *r)
  {
  	return (0);
  }
  static device_method_t obio_methods[] = {
  	DEVMETHOD(device_probe, obio_probe),
  	DEVMETHOD(device_attach, obio_attach),
  
  	DEVMETHOD(bus_alloc_resource, obio_alloc_resource),
  	DEVMETHOD(bus_activate_resource, obio_activate_resource),
  	DEVMETHOD(bus_setup_intr,	bus_generic_setup_intr),
  	DEVMETHOD(bus_teardown_intr,	bus_generic_teardown_intr),
  
  	{0, 0},
  };
  
  static driver_t obio_driver = {
  	"obio",
  	obio_methods,
  	sizeof(struct obio_softc),
  };
  static devclass_t obio_devclass;
  
  DRIVER_MODULE(obio, iq, obio_driver, obio_devclass, 0, 0);
  