1/* $NetBSD: obio.c,v 1.11 2003/07/15 00:25:05 lukem Exp $ */ 2 3/*- 4 * Copyright (c) 2001, 2002, 2003 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38/* 39 * On-board device autoconfiguration support for Intel IQ80321 40 * evaluation boards. 41 */ 42 43#include <sys/cdefs.h> 44__FBSDID("$FreeBSD$"); 45 46#include <sys/param.h> 47#include <sys/systm.h> 48#include <sys/bus.h> 49#include <sys/kernel.h> 50#include <sys/module.h> 51#include <sys/rman.h> 52#include <sys/malloc.h> 53 54#include <machine/bus.h> 55 56#include <arm/xscale/i80321/i80321reg.h> 57 58#include <arm/xscale/i80321/iq80321reg.h> 59#include <arm/xscale/i80321/obiovar.h> 60 61bus_space_tag_t obio_bs_tag; 62 63int obio_probe(device_t); 64int obio_attach(device_t); 65 66int 67obio_probe(device_t dev) 68{ 69 return (0); 70} 71 72int 73obio_attach(device_t dev) 74{ 75 struct obio_softc *sc = device_get_softc(dev); 76 77 obio_bs_tag = arm_base_bs_tag; 78 sc->oba_st = obio_bs_tag; 79 sc->oba_addr = IQ80321_OBIO_BASE; 80 sc->oba_size = IQ80321_OBIO_SIZE; 81 sc->oba_rman.rm_type = RMAN_ARRAY; 82 sc->oba_rman.rm_descr = "OBIO I/O"; 83 if (rman_init(&sc->oba_rman) != 0 || 84 rman_manage_region(&sc->oba_rman, 85 sc->oba_addr, sc->oba_addr + sc->oba_size) != 0) 86 panic("obio_attach: failed to set up I/O rman"); 87 sc->oba_irq_rman.rm_type = RMAN_ARRAY; 88 sc->oba_irq_rman.rm_descr = "OBIO IRQ"; 89 if (rman_init(&sc->oba_irq_rman) != 0 || 90 rman_manage_region(&sc->oba_irq_rman, 28, 28) != 0) 91 panic("obio_attach: failed to set up IRQ rman"); 92 device_add_child(dev, "uart", 0); 93 bus_generic_probe(dev); 94 bus_generic_attach(dev); 95 return (0); 96} 97 98static struct resource * 99obio_alloc_resource(device_t bus, device_t child, int type, int *rid, 100 u_long start, u_long end, u_long count, u_int flags) 101{ 102 struct resource *rv; 103 struct rman *rm; 104 bus_space_tag_t bt = NULL; 105 bus_space_handle_t bh = 0; 106 struct obio_softc *sc = device_get_softc(bus); 107 108 switch (type) { 109 case SYS_RES_IRQ: 110 rm = &sc->oba_irq_rman; 111 break; 112 case SYS_RES_MEMORY: 113 return (NULL); 114 case SYS_RES_IOPORT: 115 rm = &sc->oba_rman; 116 bt = sc->oba_st; 117 bh = sc->oba_addr; 118 start = bh; 119 break; 120 default: 121 return (NULL); 122 } 123 124 125 rv = rman_reserve_resource(rm, start, end, count, flags, child); 126 if (rv == NULL) 127 return (NULL); 128 if (type == SYS_RES_IRQ) 129 return (rv); 130 rman_set_rid(rv, *rid); 131 rman_set_bustag(rv, bt); 132 rman_set_bushandle(rv, bh); 133 134 return (rv); 135 136} 137 138static int 139obio_activate_resource(device_t bus, device_t child, int type, int rid, 140 struct resource *r) 141{ 142 return (0); 143} 144static device_method_t obio_methods[] = { 145 DEVMETHOD(device_probe, obio_probe), 146 DEVMETHOD(device_attach, obio_attach), 147 148 DEVMETHOD(bus_alloc_resource, obio_alloc_resource), 149 DEVMETHOD(bus_activate_resource, obio_activate_resource), 150 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 151 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 152 153 {0, 0}, 154}; 155 156static driver_t obio_driver = { 157 "obio", 158 obio_methods, 159 sizeof(struct obio_softc), 160}; 161static devclass_t obio_devclass; 162 163DRIVER_MODULE(obio, iq, obio_driver, obio_devclass, 0, 0); 164