plum.c revision 1.2.4.2
1 1.2.4.2 nathanw /* $NetBSD: plum.c,v 1.2.4.2 2002/02/28 04:09:54 nathanw Exp $ */ 2 1.2.4.2 nathanw 3 1.2.4.2 nathanw /*- 4 1.2.4.2 nathanw * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 1.2.4.2 nathanw * All rights reserved. 6 1.2.4.2 nathanw * 7 1.2.4.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.2.4.2 nathanw * by UCHIYAMA Yasushi. 9 1.2.4.2 nathanw * 10 1.2.4.2 nathanw * Redistribution and use in source and binary forms, with or without 11 1.2.4.2 nathanw * modification, are permitted provided that the following conditions 12 1.2.4.2 nathanw * are met: 13 1.2.4.2 nathanw * 1. Redistributions of source code must retain the above copyright 14 1.2.4.2 nathanw * notice, this list of conditions and the following disclaimer. 15 1.2.4.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.4.2 nathanw * notice, this list of conditions and the following disclaimer in the 17 1.2.4.2 nathanw * documentation and/or other materials provided with the distribution. 18 1.2.4.2 nathanw * 3. All advertising materials mentioning features or use of this software 19 1.2.4.2 nathanw * must display the following acknowledgement: 20 1.2.4.2 nathanw * This product includes software developed by the NetBSD 21 1.2.4.2 nathanw * Foundation, Inc. and its contributors. 22 1.2.4.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.4.2 nathanw * contributors may be used to endorse or promote products derived 24 1.2.4.2 nathanw * from this software without specific prior written permission. 25 1.2.4.2 nathanw * 26 1.2.4.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.4.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.4.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.4.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.4.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.4.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.4.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.4.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.4.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.4.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.4.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 37 1.2.4.2 nathanw */ 38 1.2.4.2 nathanw 39 1.2.4.2 nathanw #include <sys/param.h> 40 1.2.4.2 nathanw #include <sys/systm.h> 41 1.2.4.2 nathanw #include <sys/device.h> 42 1.2.4.2 nathanw #include <sys/malloc.h> 43 1.2.4.2 nathanw 44 1.2.4.2 nathanw #include <machine/bus.h> 45 1.2.4.2 nathanw #include <machine/intr.h> 46 1.2.4.2 nathanw 47 1.2.4.2 nathanw #include <hpcmips/tx/tx39var.h> 48 1.2.4.2 nathanw #include <hpcmips/tx/txcsbusvar.h> 49 1.2.4.2 nathanw #include <hpcmips/dev/plumvar.h> 50 1.2.4.2 nathanw #include <hpcmips/dev/plumreg.h> 51 1.2.4.2 nathanw 52 1.2.4.2 nathanw int plum_match(struct device *, struct cfdata *, void *); 53 1.2.4.2 nathanw void plum_attach(struct device *, struct device *, void *); 54 1.2.4.2 nathanw int plum_print(void *, const char *); 55 1.2.4.2 nathanw int plum_search(struct device *, struct cfdata *, void *); 56 1.2.4.2 nathanw 57 1.2.4.2 nathanw struct plum_softc { 58 1.2.4.2 nathanw struct device sc_dev; 59 1.2.4.2 nathanw plum_chipset_tag_t sc_pc; 60 1.2.4.2 nathanw bus_space_tag_t sc_csregt; 61 1.2.4.2 nathanw bus_space_tag_t sc_csiot; 62 1.2.4.2 nathanw bus_space_tag_t sc_csmemt; 63 1.2.4.2 nathanw int sc_irq; 64 1.2.4.2 nathanw int sc_pri; 65 1.2.4.2 nathanw }; 66 1.2.4.2 nathanw 67 1.2.4.2 nathanw struct cfattach plum_ca = { 68 1.2.4.2 nathanw sizeof(struct plum_softc), plum_match, plum_attach 69 1.2.4.2 nathanw }; 70 1.2.4.2 nathanw 71 1.2.4.2 nathanw plumreg_t plum_idcheck(bus_space_tag_t); 72 1.2.4.2 nathanw 73 1.2.4.2 nathanw int 74 1.2.4.2 nathanw plum_match(struct device *parent, struct cfdata *cf, void *aux) 75 1.2.4.2 nathanw { 76 1.2.4.2 nathanw struct cs_attach_args *ca = aux; 77 1.2.4.2 nathanw 78 1.2.4.2 nathanw switch (plum_idcheck(ca->ca_csreg.cstag)) { 79 1.2.4.2 nathanw default: 80 1.2.4.2 nathanw return (0); 81 1.2.4.2 nathanw case PLUM2_1: 82 1.2.4.2 nathanw case PLUM2_2: 83 1.2.4.2 nathanw } 84 1.2.4.2 nathanw 85 1.2.4.2 nathanw return (1); 86 1.2.4.2 nathanw } 87 1.2.4.2 nathanw 88 1.2.4.2 nathanw void 89 1.2.4.2 nathanw plum_attach(struct device *parent, struct device *self, void *aux) 90 1.2.4.2 nathanw { 91 1.2.4.2 nathanw struct cs_attach_args *ca = aux; 92 1.2.4.2 nathanw struct plum_softc *sc = (void*)self; 93 1.2.4.2 nathanw plumreg_t reg; 94 1.2.4.2 nathanw 95 1.2.4.2 nathanw sc->sc_csregt = ca->ca_csreg.cstag; 96 1.2.4.2 nathanw sc->sc_csiot = ca->ca_csio.cstag; 97 1.2.4.2 nathanw sc->sc_csmemt = ca->ca_csmem.cstag; 98 1.2.4.2 nathanw sc->sc_irq = ca->ca_irq1; 99 1.2.4.2 nathanw 100 1.2.4.2 nathanw switch (plum_idcheck(sc->sc_csregt)) { 101 1.2.4.2 nathanw default: 102 1.2.4.2 nathanw printf(": unknown revision %#x\n", reg); 103 1.2.4.2 nathanw return; 104 1.2.4.2 nathanw case PLUM2_1: 105 1.2.4.2 nathanw printf(": Plum2 #1\n"); 106 1.2.4.2 nathanw break; 107 1.2.4.2 nathanw case PLUM2_2: 108 1.2.4.2 nathanw printf(": Plum2 #2\n"); 109 1.2.4.2 nathanw break; 110 1.2.4.2 nathanw } 111 1.2.4.2 nathanw if (!(sc->sc_pc = malloc(sizeof(struct plum_chipset_tag), 112 1.2.4.2 nathanw M_DEVBUF, M_NOWAIT))) { 113 1.2.4.2 nathanw panic("no memory"); 114 1.2.4.2 nathanw } 115 1.2.4.2 nathanw memset(sc->sc_pc, 0, sizeof(struct plum_chipset_tag)); 116 1.2.4.2 nathanw sc->sc_pc->pc_tc = ca->ca_tc; 117 1.2.4.2 nathanw 118 1.2.4.2 nathanw /* Attach Plum devices */ 119 1.2.4.2 nathanw /* 120 1.2.4.2 nathanw * interrupt, power/clock module is used by other plum module. 121 1.2.4.2 nathanw * attach first. 122 1.2.4.2 nathanw */ 123 1.2.4.2 nathanw sc->sc_pri = 2; 124 1.2.4.2 nathanw config_search(plum_search, self, plum_print); 125 1.2.4.2 nathanw /* 126 1.2.4.2 nathanw * Other plum module. 127 1.2.4.2 nathanw */ 128 1.2.4.2 nathanw sc->sc_pri = 1; 129 1.2.4.2 nathanw config_search(plum_search, self, plum_print); 130 1.2.4.2 nathanw } 131 1.2.4.2 nathanw 132 1.2.4.2 nathanw plumreg_t 133 1.2.4.2 nathanw plum_idcheck(bus_space_tag_t regt) 134 1.2.4.2 nathanw { 135 1.2.4.2 nathanw bus_space_handle_t regh; 136 1.2.4.2 nathanw plumreg_t reg; 137 1.2.4.2 nathanw 138 1.2.4.2 nathanw if (bus_space_map(regt, PLUM_ID_REGBASE, 139 1.2.4.2 nathanw PLUM_ID_REGSIZE, 0, ®h)) { 140 1.2.4.2 nathanw printf("ID register map failed\n"); 141 1.2.4.2 nathanw return (0); 142 1.2.4.2 nathanw } 143 1.2.4.2 nathanw reg = plum_conf_read(regt, regh, PLUM_ID_REG); 144 1.2.4.2 nathanw bus_space_unmap(regt, regh, PLUM_ID_REGSIZE); 145 1.2.4.2 nathanw 146 1.2.4.2 nathanw return (reg); 147 1.2.4.2 nathanw } 148 1.2.4.2 nathanw 149 1.2.4.2 nathanw int 150 1.2.4.2 nathanw plum_print(void *aux, const char *pnp) 151 1.2.4.2 nathanw { 152 1.2.4.2 nathanw 153 1.2.4.2 nathanw return (pnp ? QUIET : UNCONF); 154 1.2.4.2 nathanw } 155 1.2.4.2 nathanw 156 1.2.4.2 nathanw int 157 1.2.4.2 nathanw plum_search(struct device *parent, struct cfdata *cf, void *aux) 158 1.2.4.2 nathanw { 159 1.2.4.2 nathanw struct plum_softc *sc = (void*)parent; 160 1.2.4.2 nathanw struct plum_attach_args pa; 161 1.2.4.2 nathanw 162 1.2.4.2 nathanw pa.pa_pc = sc->sc_pc; 163 1.2.4.2 nathanw pa.pa_regt = sc->sc_csregt; 164 1.2.4.2 nathanw pa.pa_iot = sc->sc_csiot; 165 1.2.4.2 nathanw pa.pa_memt = sc->sc_csmemt; 166 1.2.4.2 nathanw pa.pa_irq = sc->sc_irq; 167 1.2.4.2 nathanw 168 1.2.4.2 nathanw if ((*cf->cf_attach->ca_match)(parent, cf, &pa) == sc->sc_pri) { 169 1.2.4.2 nathanw config_attach(parent, cf, &pa, plum_print); 170 1.2.4.2 nathanw } 171 1.2.4.2 nathanw 172 1.2.4.2 nathanw return 0; 173 1.2.4.2 nathanw } 174 1.2.4.2 nathanw 175 1.2.4.2 nathanw plumreg_t 176 1.2.4.2 nathanw plum_conf_read(bus_space_tag_t t, bus_space_handle_t h, int o) 177 1.2.4.2 nathanw { 178 1.2.4.2 nathanw plumreg_t reg; 179 1.2.4.2 nathanw 180 1.2.4.2 nathanw reg = bus_space_read_4(t, h, o); 181 1.2.4.2 nathanw 182 1.2.4.2 nathanw return (reg); 183 1.2.4.2 nathanw } 184 1.2.4.2 nathanw 185 1.2.4.2 nathanw void 186 1.2.4.2 nathanw plum_conf_write(bus_space_tag_t t, bus_space_handle_t h, int o, plumreg_t v) 187 1.2.4.2 nathanw { 188 1.2.4.2 nathanw 189 1.2.4.2 nathanw bus_space_write_4(t, h, o, v); 190 1.2.4.2 nathanw } 191 1.2.4.2 nathanw 192 1.2.4.2 nathanw void 193 1.2.4.2 nathanw plum_conf_register_intr(plum_chipset_tag_t t, void *intrt) 194 1.2.4.2 nathanw { 195 1.2.4.2 nathanw 196 1.2.4.2 nathanw if (t->pc_intrt) { 197 1.2.4.2 nathanw panic("duplicate intrt"); 198 1.2.4.2 nathanw } 199 1.2.4.2 nathanw 200 1.2.4.2 nathanw t->pc_intrt = intrt; 201 1.2.4.2 nathanw } 202 1.2.4.2 nathanw 203 1.2.4.2 nathanw void 204 1.2.4.2 nathanw plum_conf_register_power(plum_chipset_tag_t t, void *powert) 205 1.2.4.2 nathanw { 206 1.2.4.2 nathanw 207 1.2.4.2 nathanw if (t->pc_powert) { 208 1.2.4.2 nathanw panic("duplicate powert"); 209 1.2.4.2 nathanw } 210 1.2.4.2 nathanw 211 1.2.4.2 nathanw t->pc_powert = powert; 212 1.2.4.2 nathanw } 213
Indexes created Tue Oct 07 21:09:53 GMT 2025