plum.c revision 1.2.4.3
1 1.2.4.3 nathanw /* $NetBSD: plum.c,v 1.2.4.3 2002/10/18 02:37:06 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 1.2.4.3 nathanw CFATTACH_DECL(plum, sizeof(struct plum_softc), 68 1.2.4.3 nathanw plum_match, plum_attach, NULL, NULL); 69 1.2.4.2 nathanw 70 1.2.4.2 nathanw plumreg_t plum_idcheck(bus_space_tag_t); 71 1.2.4.2 nathanw 72 1.2.4.2 nathanw int 73 1.2.4.2 nathanw plum_match(struct device *parent, struct cfdata *cf, void *aux) 74 1.2.4.2 nathanw { 75 1.2.4.2 nathanw struct cs_attach_args *ca = aux; 76 1.2.4.2 nathanw 77 1.2.4.2 nathanw switch (plum_idcheck(ca->ca_csreg.cstag)) { 78 1.2.4.2 nathanw default: 79 1.2.4.2 nathanw return (0); 80 1.2.4.2 nathanw case PLUM2_1: 81 1.2.4.2 nathanw case PLUM2_2: 82 1.2.4.2 nathanw } 83 1.2.4.2 nathanw 84 1.2.4.2 nathanw return (1); 85 1.2.4.2 nathanw } 86 1.2.4.2 nathanw 87 1.2.4.2 nathanw void 88 1.2.4.2 nathanw plum_attach(struct device *parent, struct device *self, void *aux) 89 1.2.4.2 nathanw { 90 1.2.4.2 nathanw struct cs_attach_args *ca = aux; 91 1.2.4.2 nathanw struct plum_softc *sc = (void*)self; 92 1.2.4.2 nathanw plumreg_t reg; 93 1.2.4.2 nathanw 94 1.2.4.2 nathanw sc->sc_csregt = ca->ca_csreg.cstag; 95 1.2.4.2 nathanw sc->sc_csiot = ca->ca_csio.cstag; 96 1.2.4.2 nathanw sc->sc_csmemt = ca->ca_csmem.cstag; 97 1.2.4.2 nathanw sc->sc_irq = ca->ca_irq1; 98 1.2.4.2 nathanw 99 1.2.4.2 nathanw switch (plum_idcheck(sc->sc_csregt)) { 100 1.2.4.2 nathanw default: 101 1.2.4.2 nathanw printf(": unknown revision %#x\n", reg); 102 1.2.4.2 nathanw return; 103 1.2.4.2 nathanw case PLUM2_1: 104 1.2.4.2 nathanw printf(": Plum2 #1\n"); 105 1.2.4.2 nathanw break; 106 1.2.4.2 nathanw case PLUM2_2: 107 1.2.4.2 nathanw printf(": Plum2 #2\n"); 108 1.2.4.2 nathanw break; 109 1.2.4.2 nathanw } 110 1.2.4.2 nathanw if (!(sc->sc_pc = malloc(sizeof(struct plum_chipset_tag), 111 1.2.4.2 nathanw M_DEVBUF, M_NOWAIT))) { 112 1.2.4.2 nathanw panic("no memory"); 113 1.2.4.2 nathanw } 114 1.2.4.2 nathanw memset(sc->sc_pc, 0, sizeof(struct plum_chipset_tag)); 115 1.2.4.2 nathanw sc->sc_pc->pc_tc = ca->ca_tc; 116 1.2.4.2 nathanw 117 1.2.4.2 nathanw /* Attach Plum devices */ 118 1.2.4.2 nathanw /* 119 1.2.4.2 nathanw * interrupt, power/clock module is used by other plum module. 120 1.2.4.2 nathanw * attach first. 121 1.2.4.2 nathanw */ 122 1.2.4.2 nathanw sc->sc_pri = 2; 123 1.2.4.2 nathanw config_search(plum_search, self, plum_print); 124 1.2.4.2 nathanw /* 125 1.2.4.2 nathanw * Other plum module. 126 1.2.4.2 nathanw */ 127 1.2.4.2 nathanw sc->sc_pri = 1; 128 1.2.4.2 nathanw config_search(plum_search, self, plum_print); 129 1.2.4.2 nathanw } 130 1.2.4.2 nathanw 131 1.2.4.2 nathanw plumreg_t 132 1.2.4.2 nathanw plum_idcheck(bus_space_tag_t regt) 133 1.2.4.2 nathanw { 134 1.2.4.2 nathanw bus_space_handle_t regh; 135 1.2.4.2 nathanw plumreg_t reg; 136 1.2.4.2 nathanw 137 1.2.4.2 nathanw if (bus_space_map(regt, PLUM_ID_REGBASE, 138 1.2.4.2 nathanw PLUM_ID_REGSIZE, 0, ®h)) { 139 1.2.4.2 nathanw printf("ID register map failed\n"); 140 1.2.4.2 nathanw return (0); 141 1.2.4.2 nathanw } 142 1.2.4.2 nathanw reg = plum_conf_read(regt, regh, PLUM_ID_REG); 143 1.2.4.2 nathanw bus_space_unmap(regt, regh, PLUM_ID_REGSIZE); 144 1.2.4.2 nathanw 145 1.2.4.2 nathanw return (reg); 146 1.2.4.2 nathanw } 147 1.2.4.2 nathanw 148 1.2.4.2 nathanw int 149 1.2.4.2 nathanw plum_print(void *aux, const char *pnp) 150 1.2.4.2 nathanw { 151 1.2.4.2 nathanw 152 1.2.4.2 nathanw return (pnp ? QUIET : UNCONF); 153 1.2.4.2 nathanw } 154 1.2.4.2 nathanw 155 1.2.4.2 nathanw int 156 1.2.4.2 nathanw plum_search(struct device *parent, struct cfdata *cf, void *aux) 157 1.2.4.2 nathanw { 158 1.2.4.2 nathanw struct plum_softc *sc = (void*)parent; 159 1.2.4.2 nathanw struct plum_attach_args pa; 160 1.2.4.2 nathanw 161 1.2.4.2 nathanw pa.pa_pc = sc->sc_pc; 162 1.2.4.2 nathanw pa.pa_regt = sc->sc_csregt; 163 1.2.4.2 nathanw pa.pa_iot = sc->sc_csiot; 164 1.2.4.2 nathanw pa.pa_memt = sc->sc_csmemt; 165 1.2.4.2 nathanw pa.pa_irq = sc->sc_irq; 166 1.2.4.2 nathanw 167 1.2.4.3 nathanw if (config_match(parent, cf, &pa) == sc->sc_pri) { 168 1.2.4.2 nathanw config_attach(parent, cf, &pa, plum_print); 169 1.2.4.2 nathanw } 170 1.2.4.2 nathanw 171 1.2.4.2 nathanw return 0; 172 1.2.4.2 nathanw } 173 1.2.4.2 nathanw 174 1.2.4.2 nathanw plumreg_t 175 1.2.4.2 nathanw plum_conf_read(bus_space_tag_t t, bus_space_handle_t h, int o) 176 1.2.4.2 nathanw { 177 1.2.4.2 nathanw plumreg_t reg; 178 1.2.4.2 nathanw 179 1.2.4.2 nathanw reg = bus_space_read_4(t, h, o); 180 1.2.4.2 nathanw 181 1.2.4.2 nathanw return (reg); 182 1.2.4.2 nathanw } 183 1.2.4.2 nathanw 184 1.2.4.2 nathanw void 185 1.2.4.2 nathanw plum_conf_write(bus_space_tag_t t, bus_space_handle_t h, int o, plumreg_t v) 186 1.2.4.2 nathanw { 187 1.2.4.2 nathanw 188 1.2.4.2 nathanw bus_space_write_4(t, h, o, v); 189 1.2.4.2 nathanw } 190 1.2.4.2 nathanw 191 1.2.4.2 nathanw void 192 1.2.4.2 nathanw plum_conf_register_intr(plum_chipset_tag_t t, void *intrt) 193 1.2.4.2 nathanw { 194 1.2.4.2 nathanw 195 1.2.4.2 nathanw if (t->pc_intrt) { 196 1.2.4.2 nathanw panic("duplicate intrt"); 197 1.2.4.2 nathanw } 198 1.2.4.2 nathanw 199 1.2.4.2 nathanw t->pc_intrt = intrt; 200 1.2.4.2 nathanw } 201 1.2.4.2 nathanw 202 1.2.4.2 nathanw void 203 1.2.4.2 nathanw plum_conf_register_power(plum_chipset_tag_t t, void *powert) 204 1.2.4.2 nathanw { 205 1.2.4.2 nathanw 206 1.2.4.2 nathanw if (t->pc_powert) { 207 1.2.4.2 nathanw panic("duplicate powert"); 208 1.2.4.2 nathanw } 209 1.2.4.2 nathanw 210 1.2.4.2 nathanw t->pc_powert = powert; 211 1.2.4.2 nathanw } 212
Indexes created Tue Oct 07 21:09:53 GMT 2025