cmu.c revision 1.5.4.3
1 1.5.4.3 nathanw /* $NetBSD: cmu.c,v 1.5.4.3 2002/10/18 02:37:15 nathanw Exp $ */ 2 1.5.4.2 nathanw 3 1.5.4.2 nathanw /*- 4 1.5.4.2 nathanw * Copyright (c) 1999 SASAKI Takesi 5 1.5.4.2 nathanw * Copyright (c) 1999, 2000, 2002 PocketBSD Project. All rights reserved. 6 1.5.4.2 nathanw * All rights reserved. 7 1.5.4.2 nathanw * 8 1.5.4.2 nathanw * Redistribution and use in source and binary forms, with or without 9 1.5.4.2 nathanw * modification, are permitted provided that the following conditions 10 1.5.4.2 nathanw * are met: 11 1.5.4.2 nathanw * 1. Redistributions of source code must retain the above copyright 12 1.5.4.2 nathanw * notice, this list of conditions and the following disclaimer. 13 1.5.4.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 14 1.5.4.2 nathanw * notice, this list of conditions and the following disclaimer in the 15 1.5.4.2 nathanw * documentation and/or other materials provided with the distribution. 16 1.5.4.2 nathanw * 3. All advertising materials mentioning features or use of this software 17 1.5.4.2 nathanw * must display the following acknowledgement: 18 1.5.4.2 nathanw * This product includes software developed by the PocketBSD project 19 1.5.4.2 nathanw * and its contributors. 20 1.5.4.2 nathanw * 4. Neither the name of the project nor the names of its contributors 21 1.5.4.2 nathanw * may be used to endorse or promote products derived from this software 22 1.5.4.2 nathanw * without specific prior written permission. 23 1.5.4.2 nathanw * 24 1.5.4.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 1.5.4.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 1.5.4.2 nathanw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 1.5.4.2 nathanw * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 1.5.4.2 nathanw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 1.5.4.2 nathanw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 1.5.4.2 nathanw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 1.5.4.2 nathanw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 1.5.4.2 nathanw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 1.5.4.2 nathanw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 1.5.4.2 nathanw * SUCH DAMAGE. 35 1.5.4.2 nathanw * 36 1.5.4.2 nathanw */ 37 1.5.4.2 nathanw 38 1.5.4.2 nathanw #include <sys/param.h> 39 1.5.4.2 nathanw #include <sys/systm.h> 40 1.5.4.2 nathanw #include <sys/device.h> 41 1.5.4.2 nathanw 42 1.5.4.2 nathanw #include <mips/cpuregs.h> 43 1.5.4.2 nathanw 44 1.5.4.2 nathanw #include <machine/bus.h> 45 1.5.4.2 nathanw #include <machine/debug.h> 46 1.5.4.2 nathanw 47 1.5.4.2 nathanw #include "opt_vr41xx.h" 48 1.5.4.2 nathanw #include <hpcmips/vr/vr.h> 49 1.5.4.2 nathanw #include <hpcmips/vr/vrcpudef.h> 50 1.5.4.2 nathanw #include <hpcmips/vr/vripif.h> 51 1.5.4.2 nathanw #include <hpcmips/vr/vripreg.h> 52 1.5.4.2 nathanw 53 1.5.4.2 nathanw #include <hpcmips/vr/cmureg.h> 54 1.5.4.2 nathanw 55 1.5.4.2 nathanw #include <machine/config_hook.h> 56 1.5.4.2 nathanw 57 1.5.4.2 nathanw struct vrcmu_softc { 58 1.5.4.2 nathanw struct device sc_dev; 59 1.5.4.2 nathanw bus_space_tag_t sc_iot; 60 1.5.4.2 nathanw bus_space_handle_t sc_ioh; 61 1.5.4.2 nathanw config_hook_tag sc_hardpower; 62 1.5.4.2 nathanw int sc_save; 63 1.5.4.2 nathanw struct vrcmu_chipset_tag sc_chipset; 64 1.5.4.2 nathanw }; 65 1.5.4.2 nathanw 66 1.5.4.2 nathanw int vrcmu_match(struct device *, struct cfdata *, void *); 67 1.5.4.2 nathanw void vrcmu_attach(struct device *, struct device *, void *); 68 1.5.4.2 nathanw int vrcmu_supply(vrcmu_chipset_tag_t, u_int16_t, int); 69 1.5.4.2 nathanw int vrcmu_hardpower(void *, int, long, void *); 70 1.5.4.2 nathanw 71 1.5.4.3 nathanw CFATTACH_DECL(vrcmu, sizeof(struct vrcmu_softc), 72 1.5.4.3 nathanw vrcmu_match, vrcmu_attach, NULL, NULL); 73 1.5.4.2 nathanw 74 1.5.4.2 nathanw int 75 1.5.4.2 nathanw vrcmu_match(struct device *parent, struct cfdata *cf, void *aux) 76 1.5.4.2 nathanw { 77 1.5.4.2 nathanw 78 1.5.4.2 nathanw return (2); /* 1st attach group of vrip */ 79 1.5.4.2 nathanw } 80 1.5.4.2 nathanw 81 1.5.4.2 nathanw void 82 1.5.4.2 nathanw vrcmu_attach(struct device *parent, struct device *self, void *aux) 83 1.5.4.2 nathanw { 84 1.5.4.2 nathanw struct vrip_attach_args *va = aux; 85 1.5.4.2 nathanw struct vrcmu_softc *sc = (void *)self; 86 1.5.4.2 nathanw 87 1.5.4.2 nathanw sc->sc_iot = va->va_iot; 88 1.5.4.2 nathanw sc->sc_chipset.cc_sc = sc; 89 1.5.4.2 nathanw sc->sc_chipset.cc_clock = vrcmu_supply; 90 1.5.4.2 nathanw if (bus_space_map(sc->sc_iot, va->va_addr, va->va_size, 91 1.5.4.2 nathanw 0 /* no flags */, &sc->sc_ioh)) { 92 1.5.4.2 nathanw printf(": can't map i/o space\n"); 93 1.5.4.2 nathanw return; 94 1.5.4.2 nathanw } 95 1.5.4.2 nathanw printf ("\n"); 96 1.5.4.2 nathanw 97 1.5.4.2 nathanw vrip_register_cmu(va->va_vc, &sc->sc_chipset); 98 1.5.4.2 nathanw sc->sc_hardpower = config_hook(CONFIG_HOOK_PMEVENT, 99 1.5.4.2 nathanw CONFIG_HOOK_PMEVENT_HARDPOWER, 100 1.5.4.2 nathanw CONFIG_HOOK_SHARE, 101 1.5.4.2 nathanw vrcmu_hardpower, sc); 102 1.5.4.2 nathanw } 103 1.5.4.2 nathanw 104 1.5.4.2 nathanw int 105 1.5.4.2 nathanw vrcmu_supply(vrcmu_chipset_tag_t cc, u_int16_t mask, int onoff) 106 1.5.4.2 nathanw { 107 1.5.4.2 nathanw struct vrcmu_softc *sc = cc->cc_sc; 108 1.5.4.2 nathanw u_int16_t reg; 109 1.5.4.2 nathanw 110 1.5.4.2 nathanw reg = bus_space_read_2(sc->sc_iot, sc->sc_ioh, 0); 111 1.5.4.2 nathanw #ifdef VRCMU_VERBOSE 112 1.5.4.2 nathanw printf("cmu register(enter):"); 113 1.5.4.2 nathanw dbg_bit_print(reg); 114 1.5.4.2 nathanw #endif 115 1.5.4.2 nathanw if (onoff) 116 1.5.4.2 nathanw reg |= mask; 117 1.5.4.2 nathanw else 118 1.5.4.2 nathanw reg &= ~mask; 119 1.5.4.2 nathanw bus_space_write_2(sc->sc_iot, sc->sc_ioh, 0, reg); 120 1.5.4.2 nathanw #ifdef VRCMU_VERBOSE 121 1.5.4.2 nathanw printf("cmu register(exit) :"); 122 1.5.4.2 nathanw dbg_bit_print(reg); 123 1.5.4.2 nathanw #endif 124 1.5.4.2 nathanw return (0); 125 1.5.4.2 nathanw } 126 1.5.4.2 nathanw 127 1.5.4.2 nathanw int 128 1.5.4.2 nathanw vrcmu_hardpower(void *ctx, int type, long id, void *msg) 129 1.5.4.2 nathanw { 130 1.5.4.2 nathanw struct vrcmu_softc *sc = ctx; 131 1.5.4.2 nathanw int why = (int)msg; 132 1.5.4.2 nathanw 133 1.5.4.2 nathanw switch (why) { 134 1.5.4.2 nathanw case PWR_STANDBY: 135 1.5.4.2 nathanw case PWR_SUSPEND: 136 1.5.4.2 nathanw sc->sc_save = bus_space_read_2(sc->sc_iot, sc->sc_ioh, 0); 137 1.5.4.2 nathanw bus_space_write_2(sc->sc_iot, sc->sc_ioh, 0, 0); 138 1.5.4.2 nathanw break; 139 1.5.4.2 nathanw case PWR_RESUME: 140 1.5.4.2 nathanw bus_space_write_2(sc->sc_iot, sc->sc_ioh, 0, sc->sc_save); 141 1.5.4.2 nathanw break; 142 1.5.4.2 nathanw } 143 1.5.4.2 nathanw return (0); 144 1.5.4.2 nathanw } 145
Indexes created Tue Sep 30 20:09:53 GMT 2025