tspld.c revision 1.1
1 /* $NetBSD: tspld.c,v 1.1 2004/12/23 04:30:19 joff Exp $ */ 2 3 /*- 4 * Copyright (c) 2004 Jesse Off 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 * 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: tspld.c,v 1.1 2004/12/23 04:30:19 joff Exp $"); 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/device.h> 43 44 #include <machine/bus.h> 45 #include <machine/autoconf.h> 46 #include "isa.h" 47 #if NISA > 0 48 #include <dev/isa/isavar.h> 49 #include <machine/isa_machdep.h> 50 #endif 51 52 #include <evbarm/tsarm/tsarmreg.h> 53 #include <evbarm/tsarm/tspldvar.h> 54 #include <arm/ep93xx/ep93xxvar.h> 55 56 int tspldmatch __P((struct device *, struct cfdata *, void *)); 57 void tspldattach __P((struct device *, struct device *, void *)); 58 59 struct tspld_softc { 60 struct device sc_dev; 61 bus_space_tag_t sc_iot; 62 }; 63 64 65 CFATTACH_DECL(tspld, sizeof(struct tspld_softc), 66 tspldmatch, tspldattach, NULL, NULL); 67 68 void tspld_callback __P((struct device *)); 69 70 int 71 tspldmatch(parent, match, aux) 72 struct device *parent; 73 struct cfdata *match; 74 void *aux; 75 { 76 77 return 1; 78 } 79 80 void 81 tspldattach(parent, self, aux) 82 struct device *parent, *self; 83 void *aux; 84 { 85 int i, rev, features, jp, model; 86 struct tspld_softc *sc = (struct tspld_softc *)self; 87 struct tspld_attach_args ta; 88 bus_space_handle_t ioh; 89 90 sc->sc_iot = &ep93xx_bs_tag; 91 bus_space_map(sc->sc_iot, TS7XXX_IO16_HWBASE + TS7XXX_MODEL, 2, 0, 92 &ioh); 93 model = bus_space_read_2(sc->sc_iot, ioh, 0) & 0x7; 94 bus_space_unmap(sc->sc_iot, ioh, 2); 95 96 bus_space_map(sc->sc_iot, TS7XXX_IO16_HWBASE + TS7XXX_PLDREV, 2, 0, 97 &ioh); 98 rev = bus_space_read_2(sc->sc_iot, ioh, 0) & 0x7; 99 rev = 'A' + rev - 1; 100 bus_space_unmap(sc->sc_iot, ioh, 2); 101 102 bus_space_map(sc->sc_iot, TS7XXX_IO16_HWBASE + TS7XXX_FEATURES, 2, 0, 103 &ioh); 104 features = bus_space_read_2(sc->sc_iot, ioh, 0) & 0x7; 105 bus_space_unmap(sc->sc_iot, ioh, 2); 106 107 bus_space_map(sc->sc_iot, TS7XXX_IO8_HWBASE + TS7XXX_STATUS1, 1, 0, 108 &ioh); 109 i = bus_space_read_1(sc->sc_iot, ioh, 0) & 0x1f; 110 jp = (~((i & 0x18) >> 1) & 0xc) | (i & 0x3); 111 bus_space_unmap(sc->sc_iot, ioh, 1); 112 113 bus_space_map(sc->sc_iot, TS7XXX_IO16_HWBASE + TS7XXX_STATUS2, 2, 0, 114 &ioh); 115 i = bus_space_read_2(sc->sc_iot, ioh, 0) & 0x1; 116 jp |= (i << 4); 117 bus_space_unmap(sc->sc_iot, ioh, 1); 118 119 printf(": Technologic Systems TS-7%s rev %c, features 0x%x", 120 (model ? "250" : "200"), rev, features); 121 if (features == 0x1) 122 printf("<MAX197-ADC>"); 123 else if (features == 0x2) 124 printf("<RS485>"); 125 else if (features == 0x3) 126 printf("<MAX197-ADC,RS485>"); 127 printf("\n"); 128 printf("%s: jumpers 0x%x", sc->sc_dev.dv_xname, jp); 129 if (jp) { 130 printf("<"); 131 for(i = 0; i < 5; i++) { 132 if (jp & (1 << i)) { 133 printf("JP%d", i + 2); 134 jp &= ~(1 << i); 135 if (jp) printf(","); 136 } 137 } 138 printf(">"); 139 } 140 printf("\n"); 141 142 ta.ta_iot = sc->sc_iot; 143 config_found_ia(self, "tspldbus", &ta, NULL); 144 145 /* Set the on board peripherals bus callback */ 146 config_defer(self, tspld_callback); 147 } 148 149 void 150 tspld_callback(self) 151 struct device *self; 152 { 153 #if NISA > 0 154 struct isabus_attach_args iba; 155 156 /* 157 * Attach the ISA bus behind this bridge. 158 */ 159 memset(&iba, 0, sizeof(iba)); 160 iba.iba_iot = &isa_io_bs_tag; 161 iba.iba_memt = &isa_mem_bs_tag; 162 config_found_ia(self, "isabus", &iba, isabusprint); 163 #endif 164 } 165
Indexes created Fri Sep 26 20:09:58 GMT 2025