tx39power.c revision 1.5
1 /* $NetBSD: tx39power.c,v 1.5 2000/01/16 21:47:00 uch Exp $ */ 2 3 /* 4 * Copyright (c) 1999, 2000 by UCHIYAMA Yasushi 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. The name of the developer may NOT be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 #include "opt_tx39_debug.h" 29 #include "opt_tx39powerdebug.h" 30 #include "opt_ddb.h" 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/device.h> 35 36 #include <machine/bus.h> 37 #include <machine/intr.h> 38 39 #include <hpcmips/tx/tx39var.h> 40 #include <hpcmips/tx/tx39icureg.h> 41 #include <hpcmips/tx/tx39powerreg.h> 42 #include <hpcmips/tx/tx39spireg.h> 43 44 #undef POWERBUTTON_IS_DEBUGGER 45 46 #define ISSET(x, v) ((x) & (v)) 47 #define ISSETPRINT(r, m) __is_set_print(r, TX39_POWERCTRL_##m, #m) 48 49 int tx39power_match __P((struct device*, struct cfdata*, void*)); 50 void tx39power_attach __P((struct device*, struct device*, void*)); 51 52 int tx39power_intr __P((void*)); 53 int tx39power_ok_intr __P((void*)); 54 int tx39power_button_intr __P((void*)); 55 56 struct tx39power_softc { 57 struct device sc_dev; 58 tx_chipset_tag_t sc_tc; 59 }; 60 61 struct cfattach tx39power_ca = { 62 sizeof(struct tx39power_softc), tx39power_match, tx39power_attach 63 }; 64 65 int 66 tx39power_match(parent, cf, aux) 67 struct device *parent; 68 struct cfdata *cf; 69 void *aux; 70 { 71 return 2; /* 1st attach group of txsim */ 72 } 73 74 void 75 tx39power_attach(parent, self, aux) 76 struct device *parent; 77 struct device *self; 78 void *aux; 79 { 80 struct txsim_attach_args *ta = aux; 81 struct tx39power_softc *sc = (void*)self; 82 tx_chipset_tag_t tc; 83 txreg_t reg; 84 85 tc = sc->sc_tc = ta->ta_tc; 86 tx_conf_register_power(tc, self); 87 88 printf("\n"); 89 #ifdef TX39POWERDEBUG 90 reg = tx_conf_read(tc, TX39_POWERCTRL_REG); 91 ISSETPRINT(reg, ONBUTN); 92 ISSETPRINT(reg, PWRINT); 93 ISSETPRINT(reg, PWROK); 94 #ifdef TX392X 95 ISSETPRINT(reg, PWROKNMI); 96 #endif /* TX392X */ 97 ISSETPRINT(reg, SLOWBUS); 98 #ifdef TX391X 99 ISSETPRINT(reg, DIVMOD); 100 #endif /* TX391X */ 101 ISSETPRINT(reg, ENSTPTIMER); 102 ISSETPRINT(reg, ENFORCESHUTDWN); 103 ISSETPRINT(reg, FORCESHUTDWN); 104 ISSETPRINT(reg, FORCESHUTDWNOCC); 105 ISSETPRINT(reg, SELC2MS); 106 #ifdef TX392X 107 ISSETPRINT(reg, WARMSTART); 108 #endif /* TX392X */ 109 ISSETPRINT(reg, BPDBVCC3); 110 ISSETPRINT(reg, STOPCPU); 111 ISSETPRINT(reg, DBNCONBUTN); 112 ISSETPRINT(reg, COLDSTART); 113 ISSETPRINT(reg, PWRCS); 114 ISSETPRINT(reg, VCCON); 115 #ifdef TX391X 116 printf("VIDRF=%d ", TX39_POWERCTRL_VIDRF(reg)); 117 #endif /* TX391X */ 118 printf("STPTIMERVAL=%d ", TX39_POWERCTRL_STPTIMERVAL(reg)); 119 printf("\n"); 120 #endif /* TX39POWERDEBUG */ 121 #ifdef DISABLE_SPI_AND_DOZE /* XXX test XXX */ 122 /* 123 * Disable SPI module 124 */ 125 reg = tx_conf_read(tc, TX39_SPICTRL_REG); 126 if (ISSET(reg, TX39_SPICTRL_ENSPI)) { 127 reg &= ~TX39_SPICTRL_ENSPI; 128 } 129 printf("SPI module disabled\n"); 130 131 /* 132 * Disable Stop timer (Doze CPU mode) 133 */ 134 reg = tx_conf_read(tc, TX39_POWERCTRL_REG); 135 printf("STPTIMER disabled.\n"); 136 reg &= ~TX39_POWERCTRL_ENSTPTIMER; 137 tx_conf_write(tc, TX39_POWERCTRL_REG, reg); 138 #endif /* DISABLE_SPI_AND_DOZE */ 139 140 /* 141 * enable stop timer 142 */ 143 reg = tx_conf_read(tc, TX39_POWERCTRL_REG); 144 145 reg &= ~(TX39_POWERCTRL_STPTIMERVAL_MASK << 146 TX39_POWERCTRL_STPTIMERVAL_SHIFT); 147 reg = TX39_POWERCTRL_STPTIMERVAL_SET(reg, 1); 148 149 reg |= TX39_POWERCTRL_ENSTPTIMER; 150 tx_conf_write(tc, TX39_POWERCTRL_REG, reg); 151 152 tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSPWRINT), 153 IST_EDGE, IPL_CLOCK, 154 tx39power_intr, sc); 155 tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGPWRINT), 156 IST_EDGE, IPL_CLOCK, 157 tx39power_intr, sc); 158 tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSPWROKINT), 159 IST_EDGE, IPL_CLOCK, 160 tx39power_ok_intr, sc); 161 tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGPWROKINT), 162 IST_EDGE, IPL_CLOCK, 163 tx39power_ok_intr, sc); 164 #if 0 165 tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSONBUTNINT), 166 IST_EDGE, IPL_CLOCK, 167 tx39power_button_intr, sc); 168 #endif 169 tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGONBUTNINT), 170 IST_EDGE, IPL_CLOCK, 171 tx39power_button_intr, sc); 172 173 } 174 175 int 176 tx39power_button_intr(arg) 177 void *arg; 178 { 179 printf("power button\n"); 180 #if defined DDB && defined POWERBUTTON_IS_DEBUGGER 181 cpu_Debugger(); 182 #endif 183 return 0; 184 } 185 186 int 187 tx39power_intr(arg) 188 void *arg; 189 { 190 printf("power\n"); 191 return 0; 192 } 193 194 int 195 tx39power_ok_intr(arg) 196 void *arg; 197 { 198 printf("power NG\n"); 199 return 0; 200 } 201
Indexes created Fri Oct 31 09:09:54 GMT 2025