1171626Scognet/* $NetBSD: obio.c,v 1.11 2003/07/15 00:25:05 lukem Exp $ */ 2171626Scognet 3171626Scognet/*- 4171626Scognet * Copyright (c) 2001, 2002, 2003 Wasabi Systems, Inc. 5171626Scognet * All rights reserved. 6171626Scognet * 7171626Scognet * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8171626Scognet * 9171626Scognet * Redistribution and use in source and binary forms, with or without 10171626Scognet * modification, are permitted provided that the following conditions 11171626Scognet * are met: 12171626Scognet * 1. Redistributions of source code must retain the above copyright 13171626Scognet * notice, this list of conditions and the following disclaimer. 14171626Scognet * 2. Redistributions in binary form must reproduce the above copyright 15171626Scognet * notice, this list of conditions and the following disclaimer in the 16171626Scognet * documentation and/or other materials provided with the distribution. 17171626Scognet * 3. All advertising materials mentioning features or use of this software 18171626Scognet * must display the following acknowledgement: 19171626Scognet * This product includes software developed for the NetBSD Project by 20171626Scognet * Wasabi Systems, Inc. 21171626Scognet * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22171626Scognet * or promote products derived from this software without specific prior 23171626Scognet * written permission. 24171626Scognet * 25171626Scognet * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26171626Scognet * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27171626Scognet * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28171626Scognet * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29171626Scognet * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30171626Scognet * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31171626Scognet * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32171626Scognet * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33171626Scognet * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34171626Scognet * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35171626Scognet * POSSIBILITY OF SUCH DAMAGE. 36171626Scognet */ 37171626Scognet 38171626Scognet/* 39171626Scognet * On-board device autoconfiguration support for Intel IQ80321 40171626Scognet * evaluation boards. 41171626Scognet */ 42171626Scognet 43171626Scognet#include <sys/cdefs.h> 44171626Scognet__FBSDID("$FreeBSD$"); 45171626Scognet 46171626Scognet#include <sys/param.h> 47171626Scognet#include <sys/systm.h> 48171626Scognet#include <sys/bus.h> 49171626Scognet#include <sys/kernel.h> 50171626Scognet#include <sys/module.h> 51171626Scognet#include <sys/rman.h> 52171626Scognet#include <sys/malloc.h> 53171626Scognet 54171626Scognet#include <machine/bus.h> 55171626Scognet 56171626Scognet#include <arm/xscale/i8134x/i81342reg.h> 57171626Scognet#include <arm/xscale/i8134x/obiovar.h> 58171626Scognet 59278727Sianbus_space_tag_t obio_bs_tag; 60171626Scognet 61171626Scognetstatic int 62171626Scognetobio_probe(device_t dev) 63171626Scognet{ 64171626Scognet return (0); 65171626Scognet} 66171626Scognet 67171626Scognetstatic int 68171626Scognetobio_attach(device_t dev) 69171626Scognet{ 70171626Scognet struct obio_softc *sc = device_get_softc(dev); 71171626Scognet 72278727Sian obio_bs_tag = arm_base_bs_tag; 73278727Sian sc->oba_st = obio_bs_tag; 74171626Scognet sc->oba_rman.rm_type = RMAN_ARRAY; 75171626Scognet sc->oba_rman.rm_descr = "OBIO I/O"; 76171626Scognet if (rman_init(&sc->oba_rman) != 0 || 77171626Scognet rman_manage_region(&sc->oba_rman, 78171626Scognet IOP34X_UART0_VADDR, IOP34X_UART1_VADDR + 0x40) != 0) 79171626Scognet panic("obio_attach: failed to set up I/O rman"); 80171626Scognet sc->oba_irq_rman.rm_type = RMAN_ARRAY; 81171626Scognet sc->oba_irq_rman.rm_descr = "OBIO IRQ"; 82171626Scognet if (rman_init(&sc->oba_irq_rman) != 0 || 83171626Scognet rman_manage_region(&sc->oba_irq_rman, ICU_INT_UART0, ICU_INT_UART1) != 0) 84171626Scognet panic("obio_attach: failed to set up IRQ rman"); 85171626Scognet device_add_child(dev, "uart", 0); 86171626Scognet device_add_child(dev, "uart", 1); 87171626Scognet bus_generic_probe(dev); 88171626Scognet bus_generic_attach(dev); 89171626Scognet return (0); 90171626Scognet} 91171626Scognet 92171626Scognetstatic struct resource * 93171626Scognetobio_alloc_resource(device_t bus, device_t child, int type, int *rid, 94171626Scognet u_long start, u_long end, u_long count, u_int flags) 95171626Scognet{ 96171626Scognet struct resource *rv; 97171626Scognet struct rman *rm; 98171626Scognet bus_space_tag_t bt = NULL; 99171626Scognet bus_space_handle_t bh = 0; 100171626Scognet struct obio_softc *sc = device_get_softc(bus); 101171626Scognet int unit = device_get_unit(child); 102171626Scognet 103171626Scognet switch (type) { 104171626Scognet case SYS_RES_IRQ: 105171626Scognet rm = &sc->oba_irq_rman; 106171626Scognet if (unit == 0) 107171626Scognet start = end = ICU_INT_UART0; 108171626Scognet else 109171626Scognet start = end = ICU_INT_UART1; 110171626Scognet break; 111171626Scognet case SYS_RES_MEMORY: 112171626Scognet return (NULL); 113171626Scognet case SYS_RES_IOPORT: 114171626Scognet rm = &sc->oba_rman; 115171626Scognet bt = sc->oba_st; 116171626Scognet if (unit == 0) { 117171626Scognet bh = IOP34X_UART0_VADDR; 118171626Scognet start = bh; 119171626Scognet end = IOP34X_UART1_VADDR; 120171626Scognet } else { 121171626Scognet bh = IOP34X_UART1_VADDR; 122171626Scognet start = bh; 123171626Scognet end = start + 0x40; 124171626Scognet } 125171626Scognet break; 126171626Scognet default: 127171626Scognet return (NULL); 128171626Scognet } 129171626Scognet 130171626Scognet 131171626Scognet rv = rman_reserve_resource(rm, start, end, count, flags, child); 132236987Simp if (rv == NULL) 133171626Scognet return (NULL); 134171626Scognet if (type == SYS_RES_IRQ) 135171626Scognet return (rv); 136171626Scognet rman_set_rid(rv, *rid); 137171626Scognet rman_set_bustag(rv, bt); 138171626Scognet rman_set_bushandle(rv, bh); 139171626Scognet 140171626Scognet return (rv); 141171626Scognet 142171626Scognet} 143171626Scognet 144171626Scognetstatic int 145171626Scognetobio_activate_resource(device_t bus, device_t child, int type, int rid, 146171626Scognet struct resource *r) 147171626Scognet{ 148171626Scognet return (0); 149171626Scognet} 150171626Scognetstatic device_method_t obio_methods[] = { 151171626Scognet DEVMETHOD(device_probe, obio_probe), 152171626Scognet DEVMETHOD(device_attach, obio_attach), 153171626Scognet 154171626Scognet DEVMETHOD(bus_alloc_resource, obio_alloc_resource), 155171626Scognet DEVMETHOD(bus_activate_resource, obio_activate_resource), 156171626Scognet DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 157171626Scognet DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 158171626Scognet 159171626Scognet {0, 0}, 160171626Scognet}; 161171626Scognet 162171626Scognetstatic driver_t obio_driver = { 163171626Scognet "obio", 164171626Scognet obio_methods, 165171626Scognet sizeof(struct obio_softc), 166171626Scognet}; 167171626Scognetstatic devclass_t obio_devclass; 168171626Scognet 169171626ScognetDRIVER_MODULE(obio, iq, obio_driver, obio_devclass, 0, 0); 170