1135669Scognet/* $NetBSD: obio.c,v 1.11 2003/07/15 00:25:05 lukem Exp $ */ 2135669Scognet 3139735Simp/*- 4135669Scognet * Copyright (c) 2001, 2002, 2003 Wasabi Systems, Inc. 5135669Scognet * All rights reserved. 6135669Scognet * 7135669Scognet * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8135669Scognet * 9135669Scognet * Redistribution and use in source and binary forms, with or without 10135669Scognet * modification, are permitted provided that the following conditions 11135669Scognet * are met: 12135669Scognet * 1. Redistributions of source code must retain the above copyright 13135669Scognet * notice, this list of conditions and the following disclaimer. 14135669Scognet * 2. Redistributions in binary form must reproduce the above copyright 15135669Scognet * notice, this list of conditions and the following disclaimer in the 16135669Scognet * documentation and/or other materials provided with the distribution. 17135669Scognet * 3. All advertising materials mentioning features or use of this software 18135669Scognet * must display the following acknowledgement: 19135669Scognet * This product includes software developed for the NetBSD Project by 20135669Scognet * Wasabi Systems, Inc. 21135669Scognet * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22135669Scognet * or promote products derived from this software without specific prior 23135669Scognet * written permission. 24135669Scognet * 25135669Scognet * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26135669Scognet * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27135669Scognet * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28135669Scognet * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29135669Scognet * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30135669Scognet * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31135669Scognet * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32135669Scognet * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33135669Scognet * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34135669Scognet * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35135669Scognet * POSSIBILITY OF SUCH DAMAGE. 36135669Scognet */ 37135669Scognet 38135669Scognet/* 39135669Scognet * On-board device autoconfiguration support for Intel IQ80321 40135669Scognet * evaluation boards. 41135669Scognet */ 42135669Scognet 43135669Scognet#include <sys/cdefs.h> 44135669Scognet__FBSDID("$FreeBSD$"); 45135669Scognet 46135669Scognet#include <sys/param.h> 47135669Scognet#include <sys/systm.h> 48135669Scognet#include <sys/bus.h> 49135669Scognet#include <sys/kernel.h> 50135669Scognet#include <sys/module.h> 51135669Scognet#include <sys/rman.h> 52135669Scognet#include <sys/malloc.h> 53135669Scognet 54135669Scognet#include <machine/bus.h> 55135669Scognet 56135669Scognet#include <arm/xscale/i80321/i80321reg.h> 57135669Scognet 58135669Scognet#include <arm/xscale/i80321/iq80321reg.h> 59135669Scognet#include <arm/xscale/i80321/obiovar.h> 60135669Scognet 61278727Sianbus_space_tag_t obio_bs_tag; 62278727Sian 63135669Scognetint obio_probe(device_t); 64135669Scognetint obio_attach(device_t); 65135669Scognet 66135669Scognetint 67135669Scognetobio_probe(device_t dev) 68135669Scognet{ 69135669Scognet return (0); 70135669Scognet} 71135669Scognet 72135669Scognetint 73135669Scognetobio_attach(device_t dev) 74135669Scognet{ 75135669Scognet struct obio_softc *sc = device_get_softc(dev); 76135669Scognet 77278727Sian obio_bs_tag = arm_base_bs_tag; 78278727Sian sc->oba_st = obio_bs_tag; 79135669Scognet sc->oba_addr = IQ80321_OBIO_BASE; 80135669Scognet sc->oba_size = IQ80321_OBIO_SIZE; 81135669Scognet sc->oba_rman.rm_type = RMAN_ARRAY; 82135669Scognet sc->oba_rman.rm_descr = "OBIO I/O"; 83135669Scognet if (rman_init(&sc->oba_rman) != 0 || 84135669Scognet rman_manage_region(&sc->oba_rman, 85135669Scognet sc->oba_addr, sc->oba_addr + sc->oba_size) != 0) 86135669Scognet panic("obio_attach: failed to set up I/O rman"); 87150552Scognet sc->oba_irq_rman.rm_type = RMAN_ARRAY; 88150552Scognet sc->oba_irq_rman.rm_descr = "OBIO IRQ"; 89150552Scognet if (rman_init(&sc->oba_irq_rman) != 0 || 90150552Scognet rman_manage_region(&sc->oba_irq_rman, 28, 28) != 0) 91150552Scognet panic("obio_attach: failed to set up IRQ rman"); 92135669Scognet device_add_child(dev, "uart", 0); 93135669Scognet bus_generic_probe(dev); 94135669Scognet bus_generic_attach(dev); 95135669Scognet return (0); 96135669Scognet} 97135669Scognet 98135669Scognetstatic struct resource * 99135669Scognetobio_alloc_resource(device_t bus, device_t child, int type, int *rid, 100135669Scognet u_long start, u_long end, u_long count, u_int flags) 101135669Scognet{ 102135669Scognet struct resource *rv; 103135669Scognet struct rman *rm; 104150552Scognet bus_space_tag_t bt = NULL; 105150552Scognet bus_space_handle_t bh = 0; 106135669Scognet struct obio_softc *sc = device_get_softc(bus); 107135669Scognet 108135669Scognet switch (type) { 109150552Scognet case SYS_RES_IRQ: 110150552Scognet rm = &sc->oba_irq_rman; 111150552Scognet break; 112135669Scognet case SYS_RES_MEMORY: 113135669Scognet return (NULL); 114135669Scognet case SYS_RES_IOPORT: 115135669Scognet rm = &sc->oba_rman; 116135669Scognet bt = sc->oba_st; 117135669Scognet bh = sc->oba_addr; 118150552Scognet start = bh; 119135669Scognet break; 120135669Scognet default: 121135669Scognet return (NULL); 122135669Scognet } 123135669Scognet 124135669Scognet 125135669Scognet rv = rman_reserve_resource(rm, start, end, count, flags, child); 126236987Simp if (rv == NULL) 127135669Scognet return (NULL); 128150552Scognet if (type == SYS_RES_IRQ) 129150552Scognet return (rv); 130157891Simp rman_set_rid(rv, *rid); 131135669Scognet rman_set_bustag(rv, bt); 132135669Scognet rman_set_bushandle(rv, bh); 133135669Scognet 134135669Scognet return (rv); 135135669Scognet 136135669Scognet} 137135669Scognet 138135669Scognetstatic int 139135669Scognetobio_activate_resource(device_t bus, device_t child, int type, int rid, 140135669Scognet struct resource *r) 141135669Scognet{ 142135669Scognet return (0); 143135669Scognet} 144135669Scognetstatic device_method_t obio_methods[] = { 145135669Scognet DEVMETHOD(device_probe, obio_probe), 146135669Scognet DEVMETHOD(device_attach, obio_attach), 147135669Scognet 148135669Scognet DEVMETHOD(bus_alloc_resource, obio_alloc_resource), 149135669Scognet DEVMETHOD(bus_activate_resource, obio_activate_resource), 150135669Scognet DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 151135669Scognet DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 152135669Scognet 153135669Scognet {0, 0}, 154135669Scognet}; 155135669Scognet 156135669Scognetstatic driver_t obio_driver = { 157135669Scognet "obio", 158135669Scognet obio_methods, 159135669Scognet sizeof(struct obio_softc), 160135669Scognet}; 161135669Scognetstatic devclass_t obio_devclass; 162135669Scognet 163135669ScognetDRIVER_MODULE(obio, iq, obio_driver, obio_devclass, 0, 0); 164