1 /* $NetBSD: ipaq_saip.c,v 1.21 2008/04/28 20:23:21 martin 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 1.21 2008/04/28 20:23:21 martin 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(struct device *, struct cfdata *, void *); 58 static void ipaq_attach(struct device *, struct device *, void *); 59 static int ipaq_search(struct device *, struct cfdata *, 60 const int *, void *); 61 static int ipaq_print(void *, const char *); 62 63 /* attach structures */ 64 CFATTACH_DECL(ipaqbus, sizeof(struct ipaq_softc), 65 ipaq_match, ipaq_attach, NULL, NULL); 66 67 static int 68 ipaq_print(void *aux, const char *name) 69 { 70 return (UNCONF); 71 } 72 73 int 74 ipaq_match(struct device *parent, struct cfdata *match, void *aux) 75 { 76 return (1); 77 } 78 79 void 80 ipaq_attach(struct device *parent, struct device *self, void *aux) 81 { 82 struct ipaq_softc *sc = (struct ipaq_softc*)self; 83 struct sa11x0_softc *psc = (struct sa11x0_softc *)parent; 84 85 printf("\n"); 86 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 self->dv_xname); 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 self->dv_xname); 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(struct device *parent, struct cfdata *cf, const int *ldesc, 115 void *aux) 116 { 117 if (config_match(parent, cf, NULL) > 0) 118 config_attach(parent, cf, NULL, ipaq_print); 119 120 return 0; 121 } 122