1 /* $NetBSD: ipaq_saip.c,v 1.22 2009/05/29 14:15:45 rjs Exp $ */ 2 3 /*- 4 * Copyright (c) 2001, The NetBSD Foundation, Inc. All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Ichiro FUKUHARA (ichiro@ichiro.org). 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 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: ipaq_saip.c,v 1.22 2009/05/29 14:15:45 rjs Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/types.h> 37 #include <sys/conf.h> 38 #include <sys/device.h> 39 #include <sys/kernel.h> 40 #include <sys/malloc.h> 41 #include <sys/uio.h> 42 43 #include <machine/cpu.h> 44 #include <machine/bus.h> 45 46 #include <arm/sa11x0/sa11x0_var.h> 47 #include <arm/sa11x0/sa11x0_reg.h> 48 #include <arm/sa11x0/sa11x0_dmacreg.h> 49 #include <arm/sa11x0/sa11x0_ppcreg.h> 50 #include <arm/sa11x0/sa11x0_gpioreg.h> 51 #include <arm/sa11x0/sa11x0_sspreg.h> 52 53 #include <hpcarm/dev/ipaq_saipvar.h> 54 #include <hpcarm/dev/ipaq_gpioreg.h> 55 56 /* prototypes */ 57 static int ipaq_match(device_t, cfdata_t, void *); 58 static void ipaq_attach(device_t, device_t, void *); 59 static int ipaq_search(device_t, cfdata_t, const int *, void *); 60 static int ipaq_print(void *, const char *); 61 62 /* attach structures */ 63 CFATTACH_DECL_NEW(ipaqbus, sizeof(struct ipaq_softc), 64 ipaq_match, ipaq_attach, NULL, NULL); 65 66 static int 67 ipaq_print(void *aux, const char *name) 68 { 69 return (UNCONF); 70 } 71 72 int 73 ipaq_match(device_t parent, cfdata_t match, void *aux) 74 { 75 return (1); 76 } 77 78 void 79 ipaq_attach(device_t parent, device_t self, void *aux) 80 { 81 struct ipaq_softc *sc = device_private(self); 82 struct sa11x0_softc *psc = device_private(parent); 83 84 aprint_normal("\n"); 85 86 sc->sc_dev = self; 87 sc->sc_iot = psc->sc_iot; 88 sc->sc_ioh = psc->sc_ioh; 89 sc->sc_gpioh = psc->sc_gpioh; 90 91 /* Map the Extended GPIO registers */ 92 if (bus_space_map(sc->sc_iot, SAEGPIO_BASE, 1, 0, &sc->sc_egpioh)) 93 panic("%s: unable to map Extended GPIO registers", 94 device_xname(self)); 95 96 sc->ipaq_egpio = EGPIO_INIT; 97 bus_space_write_2(sc->sc_iot, sc->sc_egpioh, 0, sc->ipaq_egpio); 98 99 /* Map the SSP registers */ 100 if (bus_space_map(sc->sc_iot, SASSP_BASE, SASSP_NPORTS, 0, &sc->sc_ssph)) 101 panic("%s: unable to map SSP registers", 102 device_xname(self)); 103 104 sc->sc_ppch = psc->sc_ppch; 105 sc->sc_dmach = psc->sc_dmach; 106 107 /* 108 * Attach each devices 109 */ 110 config_search_ia(ipaq_search, self, "ipaqbus", NULL); 111 } 112 113 int 114 ipaq_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 115 { 116 if (config_match(parent, cf, NULL) > 0) 117 config_attach(parent, cf, NULL, ipaq_print); 118 119 return 0; 120 } 121