obio.c revision 236987
1227825Stheraven/* $NetBSD: obio.c,v 1.11 2003/07/15 00:25:05 lukem Exp $ */ 2227825Stheraven 3227825Stheraven/*- 4227825Stheraven * Copyright (c) 2001, 2002, 2003 Wasabi Systems, Inc. 5227825Stheraven * All rights reserved. 6227825Stheraven * 7227825Stheraven * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8227825Stheraven * 9227825Stheraven * Redistribution and use in source and binary forms, with or without 10227825Stheraven * modification, are permitted provided that the following conditions 11227825Stheraven * are met: 12227825Stheraven * 1. Redistributions of source code must retain the above copyright 13246487Stheraven * notice, this list of conditions and the following disclaimer. 14227825Stheraven * 2. Redistributions in binary form must reproduce the above copyright 15246487Stheraven * notice, this list of conditions and the following disclaimer in the 16246487Stheraven * documentation and/or other materials provided with the distribution. 17246487Stheraven * 3. All advertising materials mentioning features or use of this software 18246487Stheraven * must display the following acknowledgement: 19227825Stheraven * This product includes software developed for the NetBSD Project by 20227825Stheraven * Wasabi Systems, Inc. 21227825Stheraven * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22227825Stheraven * or promote products derived from this software without specific prior 23227825Stheraven * written permission. 24227825Stheraven * 25227825Stheraven * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26227825Stheraven * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27227825Stheraven * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28227825Stheraven * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29227825Stheraven * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30227825Stheraven * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31227825Stheraven * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32227825Stheraven * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33227825Stheraven * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34227825Stheraven * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35227825Stheraven * POSSIBILITY OF SUCH DAMAGE. 36227825Stheraven */ 37227825Stheraven 38227825Stheraven/* 39227825Stheraven * On-board device autoconfiguration support for Intel IQ80321 40227825Stheraven * evaluation boards. 41227825Stheraven */ 42227825Stheraven 43227825Stheraven#include <sys/cdefs.h> 44227825Stheraven__FBSDID("$FreeBSD: head/sys/arm/xscale/i8134x/obio.c 236987 2012-06-13 04:38:09Z imp $"); 45227825Stheraven 46227825Stheraven#include <sys/param.h> 47227825Stheraven#include <sys/systm.h> 48227825Stheraven#include <sys/bus.h> 49227825Stheraven#include <sys/kernel.h> 50227825Stheraven#include <sys/module.h> 51227825Stheraven#include <sys/rman.h> 52227825Stheraven#include <sys/malloc.h> 53227825Stheraven 54227825Stheraven#include <machine/bus.h> 55227825Stheraven 56227825Stheraven#include <arm/xscale/i8134x/i81342reg.h> 57227825Stheraven#include <arm/xscale/i8134x/obiovar.h> 58227825Stheraven 59227825Stheraven 60227825Stheravenstatic int 61227825Stheravenobio_probe(device_t dev) 62227825Stheraven{ 63227825Stheraven return (0); 64227825Stheraven} 65227825Stheraven 66227825Stheravenstatic int 67227825Stheravenobio_attach(device_t dev) 68227825Stheraven{ 69227825Stheraven struct obio_softc *sc = device_get_softc(dev); 70227825Stheraven 71227825Stheraven sc->oba_st = &obio_bs_tag; 72227825Stheraven sc->oba_rman.rm_type = RMAN_ARRAY; 73227825Stheraven sc->oba_rman.rm_descr = "OBIO I/O"; 74227825Stheraven if (rman_init(&sc->oba_rman) != 0 || 75227825Stheraven rman_manage_region(&sc->oba_rman, 76227825Stheraven IOP34X_UART0_VADDR, IOP34X_UART1_VADDR + 0x40) != 0) 77227825Stheraven panic("obio_attach: failed to set up I/O rman"); 78227825Stheraven sc->oba_irq_rman.rm_type = RMAN_ARRAY; 79227825Stheraven sc->oba_irq_rman.rm_descr = "OBIO IRQ"; 80227825Stheraven if (rman_init(&sc->oba_irq_rman) != 0 || 81227825Stheraven rman_manage_region(&sc->oba_irq_rman, ICU_INT_UART0, ICU_INT_UART1) != 0) 82227825Stheraven panic("obio_attach: failed to set up IRQ rman"); 83227825Stheraven device_add_child(dev, "uart", 0); 84227825Stheraven device_add_child(dev, "uart", 1); 85227825Stheraven bus_generic_probe(dev); 86227825Stheraven bus_generic_attach(dev); 87227825Stheraven return (0); 88227825Stheraven} 89227825Stheraven 90227825Stheravenstatic struct resource * 91227825Stheravenobio_alloc_resource(device_t bus, device_t child, int type, int *rid, 92227825Stheraven u_long start, u_long end, u_long count, u_int flags) 93227825Stheraven{ 94227825Stheraven struct resource *rv; 95227825Stheraven struct rman *rm; 96227825Stheraven bus_space_tag_t bt = NULL; 97227825Stheraven bus_space_handle_t bh = 0; 98227825Stheraven struct obio_softc *sc = device_get_softc(bus); 99227825Stheraven int unit = device_get_unit(child); 100227825Stheraven 101227825Stheraven switch (type) { 102227825Stheraven case SYS_RES_IRQ: 103227825Stheraven rm = &sc->oba_irq_rman; 104227825Stheraven if (unit == 0) 105227825Stheraven start = end = ICU_INT_UART0; 106227825Stheraven else 107227825Stheraven start = end = ICU_INT_UART1; 108227825Stheraven break; 109227825Stheraven case SYS_RES_MEMORY: 110227825Stheraven return (NULL); 111227825Stheraven case SYS_RES_IOPORT: 112227825Stheraven rm = &sc->oba_rman; 113227825Stheraven bt = sc->oba_st; 114227825Stheraven if (unit == 0) { 115227825Stheraven bh = IOP34X_UART0_VADDR; 116227825Stheraven start = bh; 117227825Stheraven end = IOP34X_UART1_VADDR; 118227825Stheraven } else { 119227825Stheraven bh = IOP34X_UART1_VADDR; 120227825Stheraven start = bh; 121227825Stheraven end = start + 0x40; 122227825Stheraven } 123227825Stheraven break; 124227825Stheraven default: 125227825Stheraven return (NULL); 126227825Stheraven } 127227825Stheraven 128227825Stheraven 129227825Stheraven rv = rman_reserve_resource(rm, start, end, count, flags, child); 130227825Stheraven if (rv == NULL) 131227825Stheraven return (NULL); 132227825Stheraven if (type == SYS_RES_IRQ) 133227825Stheraven return (rv); 134227825Stheraven rman_set_rid(rv, *rid); 135227825Stheraven rman_set_bustag(rv, bt); 136227825Stheraven rman_set_bushandle(rv, bh); 137227825Stheraven 138227825Stheraven return (rv); 139227825Stheraven 140227825Stheraven} 141227825Stheraven 142227825Stheravenstatic int 143227825Stheravenobio_activate_resource(device_t bus, device_t child, int type, int rid, 144227825Stheraven struct resource *r) 145227825Stheraven{ 146227825Stheraven return (0); 147227825Stheraven} 148227825Stheravenstatic device_method_t obio_methods[] = { 149227825Stheraven DEVMETHOD(device_probe, obio_probe), 150227825Stheraven DEVMETHOD(device_attach, obio_attach), 151227825Stheraven 152246487Stheraven DEVMETHOD(bus_alloc_resource, obio_alloc_resource), 153227825Stheraven DEVMETHOD(bus_activate_resource, obio_activate_resource), 154246487Stheraven DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 155246487Stheraven DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 156227825Stheraven 157246487Stheraven {0, 0}, 158227825Stheraven}; 159227825Stheraven 160249998Sdimstatic driver_t obio_driver = { 161249998Sdim "obio", 162227825Stheraven obio_methods, 163227825Stheraven sizeof(struct obio_softc), 164227825Stheraven}; 165246487Stheravenstatic devclass_t obio_devclass; 166227825Stheraven 167246487StheravenDRIVER_MODULE(obio, iq, obio_driver, obio_devclass, 0, 0); 168246487Stheraven