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tx39power.c revision 1.4
      1 /*	$NetBSD: tx39power.c,v 1.4 2000/01/03 18:24:04 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 
     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 	tx_conf_register_power(tc, self);
     84 
     85 	printf("\n");
     86 #ifdef TX39POWERDEBUG
     87 	reg = tx_conf_read(tc, TX39_POWERCTRL_REG);
     88 	ISSETPRINT(reg, ONBUTN);
     89 	ISSETPRINT(reg, PWRINT);
     90 	ISSETPRINT(reg, PWROK);
     91 #ifdef TX392X
     92 	ISSETPRINT(reg, PWROKNMI);
     93 #endif /* TX392X */
     94 	ISSETPRINT(reg, SLOWBUS);
     95 #ifdef TX391X
     96 	ISSETPRINT(reg, DIVMOD);
     97 #endif /* TX391X */
     98 	ISSETPRINT(reg, ENSTPTIMER);
     99 	ISSETPRINT(reg, ENFORCESHUTDWN);
    100 	ISSETPRINT(reg, FORCESHUTDWN);
    101 	ISSETPRINT(reg, FORCESHUTDWNOCC);
    102 	ISSETPRINT(reg, SELC2MS);
    103 #ifdef TX392X
    104 	ISSETPRINT(reg, WARMSTART);
    105 #endif /* TX392X */
    106 	ISSETPRINT(reg, BPDBVCC3);
    107 	ISSETPRINT(reg, STOPCPU);
    108 	ISSETPRINT(reg, DBNCONBUTN);
    109 	ISSETPRINT(reg, COLDSTART);
    110 	ISSETPRINT(reg, PWRCS);
    111 	ISSETPRINT(reg, VCCON);
    112 #ifdef TX391X
    113 	printf("VIDRF=%d ", TX39_POWERCTRL_VIDRF(reg));
    114 #endif /* TX391X */
    115 	printf("STPTIMERVAL=%d ", TX39_POWERCTRL_STPTIMERVAL(reg));
    116 	printf("\n");
    117 #endif /* TX39POWERDEBUG */
    118 #ifdef DISABLE_SPI_AND_DOZE /* XXX test XXX */
    119 	/*
    120 	 *	Disable SPI module
    121 	 */
    122 	reg = tx_conf_read(tc, TX39_SPICTRL_REG);
    123 	if (ISSET(reg, TX39_SPICTRL_ENSPI)) {
    124 		reg &= ~TX39_SPICTRL_ENSPI;
    125 	}
    126 	printf("SPI module disabled\n");
    127 
    128 	/*
    129 	 *	Disable Stop timer (Doze CPU mode)
    130 	 */
    131 	reg = tx_conf_read(tc, TX39_POWERCTRL_REG);
    132 	printf("STPTIMER disabled.\n");
    133 	reg &= ~TX39_POWERCTRL_ENSTPTIMER;
    134 	tx_conf_write(tc, TX39_POWERCTRL_REG, reg);
    135 #endif /* DISABLE_SPI_AND_DOZE */
    136 
    137 	/*
    138 	 * enable stop timer
    139 	 */
    140 	reg = tx_conf_read(tc, TX39_POWERCTRL_REG);
    141 
    142 	reg &= ~(TX39_POWERCTRL_STPTIMERVAL_MASK <<
    143 		 TX39_POWERCTRL_STPTIMERVAL_SHIFT);
    144 	reg = TX39_POWERCTRL_STPTIMERVAL_SET(reg, 1);
    145 
    146 	reg |= TX39_POWERCTRL_ENSTPTIMER;
    147 	tx_conf_write(tc, TX39_POWERCTRL_REG, reg);
    148 
    149 	tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSPWRINT),
    150 			    IST_EDGE, IPL_CLOCK,
    151 			    tx39power_intr, sc);
    152 	tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGPWRINT),
    153 			    IST_EDGE, IPL_CLOCK,
    154 			    tx39power_intr, sc);
    155 	tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSPWROKINT),
    156 			    IST_EDGE, IPL_CLOCK,
    157 			    tx39power_ok_intr, sc);
    158 	tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGPWROKINT),
    159 			    IST_EDGE, IPL_CLOCK,
    160 			    tx39power_ok_intr, sc);
    161 	tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSONBUTNINT),
    162 			    IST_EDGE, IPL_CLOCK,
    163 			    tx39power_button_intr, sc);
    164 	tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGONBUTNINT),
    165 			    IST_EDGE, IPL_CLOCK,
    166 			    tx39power_button_intr, sc);
    167 
    168 }
    169 
    170 int
    171 tx39power_button_intr(arg)
    172 	void *arg;
    173 {
    174 	printf("power button\n");
    175 	return 0;
    176 }
    177 
    178 int
    179 tx39power_intr(arg)
    180 	void *arg;
    181 {
    182 	printf("power\n");
    183 	return 0;
    184 }
    185 
    186 int
    187 tx39power_ok_intr(arg)
    188 	void *arg;
    189 {
    190 	printf("power ok\n");
    191 	return 0;
    192 }
    193