1 /* $NetBSD: ipaq_saip.c,v 1.26 2023/12/20 14:50:02 thorpej 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 1.26 2023/12/20 14:50:02 thorpej 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/uio.h> 41 #include <sys/bus.h> 42 43 #include <machine/cpu.h> 44 45 #include <arm/sa11x0/sa11x0_var.h> 46 #include <arm/sa11x0/sa11x0_reg.h> 47 #include <arm/sa11x0/sa11x0_dmacreg.h> 48 #include <arm/sa11x0/sa11x0_ppcreg.h> 49 #include <arm/sa11x0/sa11x0_gpioreg.h> 50 #include <arm/sa11x0/sa11x0_sspreg.h> 51 52 #include <hpcarm/dev/ipaq_saipvar.h> 53 #include <hpcarm/dev/ipaq_gpioreg.h> 54 55 /* prototypes */ 56 static int ipaq_match(device_t, cfdata_t, void *); 57 static void ipaq_attach(device_t, device_t, void *); 58 static int ipaq_search(device_t, cfdata_t, const int *, void *); 59 static int ipaq_print(void *, const char *); 60 61 /* attach structures */ 62 CFATTACH_DECL_NEW(ipaqbus, sizeof(struct ipaq_softc), 63 ipaq_match, ipaq_attach, NULL, NULL); 64 65 static int 66 ipaq_print(void *aux, const char *name) 67 { 68 return (UNCONF); 69 } 70 71 int 72 ipaq_match(device_t parent, cfdata_t match, void *aux) 73 { 74 return (1); 75 } 76 77 void 78 ipaq_attach(device_t parent, device_t self, void *aux) 79 { 80 struct ipaq_softc *sc = device_private(self); 81 struct sa11x0_softc *psc = device_private(parent); 82 83 aprint_normal("\n"); 84 85 sc->sc_dev = self; 86 sc->sc_iot = psc->sc_iot; 87 sc->sc_ioh = psc->sc_ioh; 88 sc->sc_gpioh = psc->sc_gpioh; 89 90 /* Map the Extended GPIO registers */ 91 if (bus_space_map(sc->sc_iot, SAEGPIO_BASE, 1, 0, &sc->sc_egpioh)) 92 panic("%s: unable to map Extended GPIO registers", 93 device_xname(self)); 94 95 sc->ipaq_egpio = EGPIO_INIT; 96 bus_space_write_2(sc->sc_iot, sc->sc_egpioh, 0, sc->ipaq_egpio); 97 98 /* Map the SSP registers */ 99 if (bus_space_map(sc->sc_iot, SASSP_BASE, SASSP_NPORTS, 0, &sc->sc_ssph)) 100 panic("%s: unable to map SSP registers", 101 device_xname(self)); 102 103 sc->sc_ppch = psc->sc_ppch; 104 sc->sc_dmach = psc->sc_dmach; 105 106 /* 107 * Attach each devices 108 */ 109 config_search(self, NULL, 110 CFARGS(.search = ipaq_search)); 111 } 112 113 int 114 ipaq_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 115 { 116 if (config_probe(parent, cf, NULL)) 117 config_attach(parent, cf, NULL, ipaq_print, CFARGS_NONE); 118 119 return 0; 120 } 121