NetBSD/sys/arch/hpcmips/tx/tx39power.c

191 lines
5.2 KiB
C

/* $NetBSD: tx39power.c,v 1.3 1999/12/12 17:06:22 uch Exp $ */
/*
* Copyright (c) 1999, by UCHIYAMA Yasushi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the developer may NOT be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include "opt_tx39_debug.h"
#include "opt_tx39powerdebug.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <hpcmips/tx/tx39var.h>
#include <hpcmips/tx/tx39icureg.h>
#include <hpcmips/tx/tx39powerreg.h>
#include <hpcmips/tx/tx39spireg.h>
#define ISSET(x, v) ((x) & (v))
#define ISSETPRINT(r, m) __is_set_print(r, TX39_POWERCTRL_##m, #m)
int tx39power_match __P((struct device*, struct cfdata*, void*));
void tx39power_attach __P((struct device*, struct device*, void*));
int tx39power_intr __P((void*));
int tx39power_ok_intr __P((void*));
int tx39power_button_intr __P((void*));
struct tx39power_softc {
struct device sc_dev;
tx_chipset_tag_t sc_tc;
};
struct cfattach tx39power_ca = {
sizeof(struct tx39power_softc), tx39power_match, tx39power_attach
};
int
tx39power_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
return 2; /* 1st attach group of txsim */
}
void
tx39power_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct txsim_attach_args *ta = aux;
struct tx39power_softc *sc = (void*)self;
tx_chipset_tag_t tc;
txreg_t reg;
tc = sc->sc_tc = ta->ta_tc;
printf("\n");
#ifdef TX39POWERDEBUG
reg = tx_conf_read(tc, TX39_POWERCTRL_REG);
ISSETPRINT(reg, ONBUTN);
ISSETPRINT(reg, PWRINT);
ISSETPRINT(reg, PWROK);
#ifdef TX392X
ISSETPRINT(reg, PWROKNMI);
#endif /* TX392X */
ISSETPRINT(reg, SLOWBUS);
#ifdef TX391X
ISSETPRINT(reg, DIVMOD);
#endif /* TX391X */
ISSETPRINT(reg, ENSTPTIMER);
ISSETPRINT(reg, ENFORCESHUTDWN);
ISSETPRINT(reg, FORCESHUTDWN);
ISSETPRINT(reg, FORCESHUTDWNOCC);
ISSETPRINT(reg, SELC2MS);
#ifdef TX392X
ISSETPRINT(reg, WARMSTART);
#endif /* TX392X */
ISSETPRINT(reg, BPDBVCC3);
ISSETPRINT(reg, STOPCPU);
ISSETPRINT(reg, DBNCONBUTN);
ISSETPRINT(reg, COLDSTART);
ISSETPRINT(reg, PWRCS);
ISSETPRINT(reg, VCCON);
#ifdef TX391X
printf("VIDRF=%d ", TX39_POWERCTRL_VIDRF(reg));
#endif /* TX391X */
printf("STPTIMERVAL=%d ", TX39_POWERCTRL_STPTIMERVAL(reg));
printf("\n");
#endif /* TX39POWERDEBUG */
#ifdef DISABLE_SPI_AND_DOZE /* XXX test XXX */
/*
* Disable SPI module
*/
reg = tx_conf_read(tc, TX39_SPICTRL_REG);
if (ISSET(reg, TX39_SPICTRL_ENSPI)) {
reg &= ~TX39_SPICTRL_ENSPI;
}
printf("SPI module disabled\n");
/*
* Disable Stop timer (Doze CPU mode)
*/
reg = tx_conf_read(tc, TX39_POWERCTRL_REG);
printf("STPTIMER disabled.\n");
reg &= ~TX39_POWERCTRL_ENSTPTIMER;
tx_conf_write(tc, TX39_POWERCTRL_REG, reg);
#endif /* DISABLE_SPI_AND_DOZE */
/*
* enable stop timer
*/
reg = tx_conf_read(tc, TX39_POWERCTRL_REG);
reg &= ~(TX39_POWERCTRL_STPTIMERVAL_MASK <<
TX39_POWERCTRL_STPTIMERVAL_SHIFT);
reg = TX39_POWERCTRL_STPTIMERVAL_SET(reg, 1);
reg |= TX39_POWERCTRL_ENSTPTIMER;
tx_conf_write(tc, TX39_POWERCTRL_REG, reg);
tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSPWRINT),
IST_EDGE, IPL_CLOCK,
tx39power_intr, sc);
tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGPWRINT),
IST_EDGE, IPL_CLOCK,
tx39power_intr, sc);
tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSPWROKINT),
IST_EDGE, IPL_CLOCK,
tx39power_ok_intr, sc);
tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGPWROKINT),
IST_EDGE, IPL_CLOCK,
tx39power_ok_intr, sc);
tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_POSONBUTNINT),
IST_EDGE, IPL_CLOCK,
tx39power_button_intr, sc);
tx_intr_establish(tc, MAKEINTR(5, TX39_INTRSTATUS5_NEGONBUTNINT),
IST_EDGE, IPL_CLOCK,
tx39power_button_intr, sc);
}
int
tx39power_button_intr(arg)
void *arg;
{
printf("power button\n");
return 0;
}
int
tx39power_intr(arg)
void *arg;
{
printf("power\n");
return 0;
}
int
tx39power_ok_intr(arg)
void *arg;
{
printf("power ok\n");
return 0;
}