linux-stable-rt/arch/mips/mips-boards/generic/reset.c

74 lines
2.1 KiB
C

/*
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
*
* ########################################################################
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* ########################################################################
*
* Reset the MIPS boards.
*
*/
#include <linux/pm.h>
#include <asm/io.h>
#include <asm/reboot.h>
#include <asm/mips-boards/generic.h>
#if defined(CONFIG_MIPS_ATLAS)
#include <asm/mips-boards/atlas.h>
#endif
static void mips_machine_restart(char *command);
static void mips_machine_halt(void);
#if defined(CONFIG_MIPS_ATLAS)
static void atlas_machine_power_off(void);
#endif
static void mips_machine_restart(char *command)
{
volatile unsigned int *softres_reg = (unsigned int *)ioremap (SOFTRES_REG, sizeof(unsigned int));
*softres_reg = GORESET;
}
static void mips_machine_halt(void)
{
volatile unsigned int *softres_reg = (unsigned int *)ioremap (SOFTRES_REG, sizeof(unsigned int));
*softres_reg = GORESET;
}
#if defined(CONFIG_MIPS_ATLAS)
static void atlas_machine_power_off(void)
{
volatile unsigned int *psustby_reg = (unsigned int *)ioremap(ATLAS_PSUSTBY_REG, sizeof(unsigned int));
*psustby_reg = ATLAS_GOSTBY;
}
#endif
void mips_reboot_setup(void)
{
_machine_restart = mips_machine_restart;
_machine_halt = mips_machine_halt;
#if defined(CONFIG_MIPS_ATLAS)
pm_power_off = atlas_machine_power_off;
#endif
#if defined(CONFIG_MIPS_MALTA) || defined(CONFIG_MIPS_SEAD)
pm_power_off = mips_machine_halt;
#endif
}