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tx39power.c revision 1.3
      1 /*	$NetBSD: tx39power.c,v 1.3 1999/12/12 17:06:22 uch Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1999, 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 
     31 #include <sys/param.h>
     32 #include <sys/systm.h>
     33 #include <sys/device.h>
     34 
     35 #include <machine/bus.h>
     36 #include <machine/intr.h>
     37 
     38 #include <hpcmips/tx/tx39var.h>
     39 #include <hpcmips/tx/tx39icureg.h>
     40 #include <hpcmips/tx/tx39powerreg.h>
     41 #include <hpcmips/tx/tx39spireg.h>
     42 
     43 #define ISSET(x, v)	((x) & (v))
     44 #define ISSETPRINT(r, m) __is_set_print(r, TX39_POWERCTRL_##m, #m)
     45 
     46 int	tx39power_match __P((struct device*, struct cfdata*, void*));
     47 void	tx39power_attach __P((struct device*, struct device*, void*));
     48 
     49 int	tx39power_intr __P((void*));
     50 int	tx39power_ok_intr __P((void*));
     51 int	tx39power_button_intr __P((void*));
     52 
     53 struct tx39power_softc {
     54 	struct	device sc_dev;
     55 	tx_chipset_tag_t sc_tc;
     56 };
     57 
     58 struct cfattach tx39power_ca = {
     59 	sizeof(struct tx39power_softc), tx39power_match, tx39power_attach
     60 };
     61 
     62 int
     63 tx39power_match(parent, cf, aux)
     64 	struct device *parent;
     65 	struct cfdata *cf;
     66 	void *aux;
     67 {
     68 	return 2; /* 1st attach group of txsim */
     69 }
     70 
     71 void
     72 tx39power_attach(parent, self, aux)
     73 	struct device *parent;
     74 	struct device *self;
     75 	void *aux;
     76 {
     77 	struct txsim_attach_args *ta = aux;
     78 	struct tx39power_softc *sc = (void*)self;
     79 	tx_chipset_tag_t tc;
     80 	txreg_t reg;
     81 
     82 	tc = sc->sc_tc = ta->ta_tc;
     83 	printf("\n");
     84 #ifdef TX39POWERDEBUG
     85 	reg = tx_conf_read(tc, TX39_POWERCTRL_REG);
     86 	ISSETPRINT(reg, ONBUTN);
     87 	ISSETPRINT(reg, PWRINT);
     88 	ISSETPRINT(reg, PWROK);
     89 #ifdef TX392X
     90 	ISSETPRINT(reg, PWROKNMI);
     91 #endif /* TX392X */
     92 	ISSETPRINT(reg, SLOWBUS);
     93 #ifdef TX391X
     94 	ISSETPRINT(reg, DIVMOD);
     95 #endif /* TX391X */
     96 	ISSETPRINT(reg, ENSTPTIMER);
     97 	ISSETPRINT(reg, ENFORCESHUTDWN);
     98 	ISSETPRINT(reg, FORCESHUTDWN);
     99 	ISSETPRINT(reg, FORCESHUTDWNOCC);
    100 	ISSETPRINT(reg, SELC2MS);
    101 #ifdef TX392X
    102 	ISSETPRINT(reg, WARMSTART);
    103 #endif /* TX392X */
    104 	ISSETPRINT(reg, BPDBVCC3);
    105 	ISSETPRINT(reg, STOPCPU);
    106 	ISSETPRINT(reg, DBNCONBUTN);
    107 	ISSETPRINT(reg, COLDSTART);
    108 	ISSETPRINT(reg, PWRCS);
    109 	ISSETPRINT(reg, VCCON);
    110 #ifdef TX391X
    111 	printf("VIDRF=%d ", TX39_POWERCTRL_VIDRF(reg));
    112 #endif /* TX391X */
    113 	printf("STPTIMERVAL=%d ", TX39_POWERCTRL_STPTIMERVAL(reg));
    114 	printf("\n");
    115 #endif /* TX39POWERDEBUG */
    116 #ifdef DISABLE_SPI_AND_DOZE /* XXX test XXX */
    117 	/*
    118 	 *	Disable SPI module
    119 	 */
    120 	reg = tx_conf_read(tc, TX39_SPICTRL_REG);
    121 	if (ISSET(reg, TX39_SPICTRL_ENSPI)) {
    122 		reg &= ~TX39_SPICTRL_ENSPI;
    123 	}
    124 	printf("SPI module disabled\n");
    125 
    126 	/*
    127 	 *	Disable Stop timer (Doze CPU mode)
    128 	 */
    129 	reg = tx_conf_read(tc, TX39_POWERCTRL_REG);
    130 	printf("STPTIMER disabled.\n");
    131 	reg &= ~TX39_POWERCTRL_ENSTPTIMER;
    132 	tx_conf_write(tc, TX39_POWERCTRL_REG, reg);
    133 #endif /* DISABLE_SPI_AND_DOZE */
    134 
    135 	/*
    136 	 * enable stop timer
    137 	 */
    138 	reg = tx_conf_read(tc, TX39_POWERCTRL_REG);
    139 
    140 	reg &= ~(TX39_POWERCTRL_STPTIMERVAL_MASK <<
    141 		 TX39_POWERCTRL_STPTIMERVAL_SHIFT);
    142 	reg = TX39_POWERCTRL_STPTIMERVAL_SET(reg, 1);
    143 
    144 	reg |= TX39_POWERCTRL_ENSTPTIMER;
    145 	tx_conf_write(tc, TX39_POWERCTRL_REG, reg);
    146 
    147 	tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSPWRINT),
    148 			    IST_EDGE, IPL_CLOCK,
    149 			    tx39power_intr, sc);
    150 	tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGPWRINT),
    151 			    IST_EDGE, IPL_CLOCK,
    152 			    tx39power_intr, sc);
    153 	tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSPWROKINT),
    154 			    IST_EDGE, IPL_CLOCK,
    155 			    tx39power_ok_intr, sc);
    156 	tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGPWROKINT),
    157 			    IST_EDGE, IPL_CLOCK,
    158 			    tx39power_ok_intr, sc);
    159 	tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSONBUTNINT),
    160 			    IST_EDGE, IPL_CLOCK,
    161 			    tx39power_button_intr, sc);
    162 	tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGONBUTNINT),
    163 			    IST_EDGE, IPL_CLOCK,
    164 			    tx39power_button_intr, sc);
    165 
    166 }
    167 
    168 int
    169 tx39power_button_intr(arg)
    170 	void *arg;
    171 {
    172 	printf("power button\n");
    173 	return 0;
    174 }
    175 
    176 int
    177 tx39power_intr(arg)
    178 	void *arg;
    179 {
    180 	printf("power\n");
    181 	return 0;
    182 }
    183 
    184 int
    185 tx39power_ok_intr(arg)
    186 	void *arg;
    187 {
    188 	printf("power ok\n");
    189 	return 0;
    190 }
    191