1 /* $NetBSD: plumisa_machdep.c,v 1.11 2009/08/19 15:12:31 dyoung Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: plumisa_machdep.c,v 1.11 2009/08/19 15:12:31 dyoung Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 38 #include <machine/bus.h> 39 40 #include <dev/isa/isavar.h> 41 #include <dev/isa/isareg.h> 42 43 #include <machine/platid.h> 44 #include <machine/platid_mask.h> 45 46 #include <hpcmips/tx/tx39var.h> 47 #include <hpcmips/dev/plumvar.h> 48 #include <hpcmips/dev/plumicuvar.h> 49 #include <hpcmips/dev/plumiobusvar.h> 50 51 #include "locators.h" 52 53 int plumisabprint(void *, const char *); 54 int plumisabmatch(struct device *, struct cfdata *, void *); 55 void plumisabattach(struct device *, struct device *, void *); 56 57 struct plumisab_softc { 58 struct device sc_dev; 59 plum_chipset_tag_t sc_pc; 60 bus_space_tag_t sc_iot; 61 int sc_irq; 62 void *sc_ih; 63 }; 64 65 CFATTACH_DECL(plumisab, sizeof(struct plumisab_softc), 66 plumisabmatch, plumisabattach, NULL, NULL); 67 68 int 69 plumisabmatch(struct device *parent, struct cfdata *match, void *aux) 70 { 71 struct plumiobus_attach_args *pba = aux; 72 platid_mask_t mask; 73 74 if (strcmp(pba->pba_busname, match->cf_name)) { 75 return (0); 76 } 77 78 if (match->cf_loc[PLUMIOBUSIFCF_PLATFORM] == 79 PLUMIOBUSIFCF_PLATFORM_DEFAULT) { 80 return (1); 81 } 82 83 mask = PLATID_DEREF(match->cf_loc[PLUMIOBUSIFCF_PLATFORM]); 84 if (platid_match(&platid, &mask)) { 85 return (2); 86 } 87 88 return (0); 89 } 90 91 void 92 plumisabattach(struct device *parent, struct device *self, void *aux) 93 { 94 struct plumiobus_attach_args *pba = aux; 95 struct plumisab_softc *sc = (void*)self; 96 struct isabus_attach_args iba; 97 98 printf("\n"); 99 sc->sc_pc = pba->pba_pc; 100 sc->sc_iot = pba->pba_iot; 101 sc->sc_irq = pba->pba_irq; 102 printf(" base=%#x irq=%d\n", sc->sc_iot->t_base, sc->sc_irq); 103 #if 0 104 /* Reset I/O bus */ 105 plum_power_ioreset(sc->sc_pc); 106 #endif 107 /* Dump I/O port */ 108 if (0) { 109 bus_space_handle_t ioh; 110 int i; 111 bus_space_map(sc->sc_iot, 0, 0x400, 0, &ioh); 112 for(i = 0; i < 0x400; i += 4) { 113 printf("[%03x]%02x", i, bus_space_read_1(sc->sc_iot, ioh, i + 3)); 114 printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 2)); 115 printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 1)); 116 printf("%02x", bus_space_read_1(sc->sc_iot, ioh, i + 0)); 117 } 118 bus_space_unmap(sc->sc_iot, ioh, 0x400); 119 } 120 121 iba.iba_ic = sc; 122 /* Plum ISA-bus don't have memory space! */ 123 /* Plum ISA port space */ 124 iba.iba_iot = sc->sc_iot; 125 config_found_ia(self, "isabus", &iba, plumisabprint); 126 } 127 128 int 129 plumisabprint(void *aux, const char *pnp) 130 { 131 132 return (pnp ? QUIET : UNCONF); 133 } 134 135 void 136 isa_attach_hook(struct device *parent, struct device *self, 137 struct isabus_attach_args *iba) 138 { 139 140 } 141 142 void 143 isa_detach_hook(isa_chipset_tag_t, device_t self) 144 { 145 } 146 147 void * 148 isa_intr_establish(isa_chipset_tag_t ic, int irq, int type, int level, 149 int (*ih_fun)(void *), void *ih_arg) 150 { 151 struct plumisab_softc *sc = (void*)ic; 152 153 sc->sc_ih = plum_intr_establish(sc->sc_pc, sc->sc_irq, type, level, 154 ih_fun, ih_arg); 155 return (sc->sc_ih); 156 } 157 158 void 159 isa_intr_disestablish(isa_chipset_tag_t ic, void *arg) 160 { 161 struct plumisab_softc *sc = (void*)ic; 162 163 plum_intr_disestablish(sc->sc_pc, arg); 164 } 165 166 int 167 isa_intr_alloc(isa_chipset_tag_t ic, int mask, int type, int *irq) 168 { 169 struct plumisab_softc *sc = (void*)ic; 170 171 *irq = sc->sc_irq; 172 173 return (0); 174 } 175