/*
 * 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
#if defined(CONFIG_MIPS_OHIO)
#include <asm/mips-boards/ohio.h>
#include <asm/mach-ohio/hw_reset.h>
#endif /*--- #if defined(CONFIG_MIPS_OHIO) ---*/
#if defined(CONFIG_MIPS_AR7)
#include <asm/mips-boards/ar7.h>
#include <asm/mach-ar7/hw_reset.h>
#endif /*--- #if defined(CONFIG_MIPS_AR7) ---*/
#if defined(CONFIG_MIPS_UR8)
#include <asm/mips-boards/ur8.h>
#include <asm/mach-ur8/hw_reset.h>
#endif /*--- #if defined(CONFIG_MIPS_UR8) ---*/

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) {
    /*--- prom_printf("mips_machine_restart %s\n", command); ---*/
#if defined(CONFIG_MIPS_OHIO)
    struct _hw_reset *reset = (struct _hw_reset *)OHIO_RESET_BASE;
    reset->reset_ctrl.Bits.swr1 = 1;
    for( ;; )
        printk(".");
#elif defined(CONFIG_MIPS_AR7)
    struct _hw_reset *reset = (struct _hw_reset *)AR7_RESET_BASE;
    reset->reset_ctrl.Bits.swr1 = 1;
    for( ;; )
        printk(".");
#elif defined(CONFIG_MIPS_UR8)
    struct _hw_reset *reset = (struct _hw_reset *)UR8_RESET_BASE;
    reset->reset_ctrl.Bits.swr1 = 1;
    for( ;; )
        printk(".");
#else /*--- #if defined(CONFIG_MIPS_OHIO) und andere ---*/
    volatile unsigned int *softres_reg = (unsigned int *)ioremap (SOFTRES_REG, sizeof(unsigned int));

	*softres_reg = GORESET;
#endif /*--- #else ---*/ /*--- #if defined(CONFIG_MIPS_OHIO)  und andere---*/
}

/*-------------------------------------------------------------------------------------*\
\*-------------------------------------------------------------------------------------*/
static void mips_machine_halt(void) {
#if defined(CONFIG_MIPS_OHIO)
    struct _hw_reset *reset = (struct _hw_reset *)OHIO_RESET_BASE;
    reset->reset_ctrl.Bits.swr1 = 1;
    for( ;; )
        printk(".");
#elif defined(CONFIG_MIPS_AR7)
    struct _hw_reset *reset = (struct _hw_reset *)AR7_RESET_BASE;
    reset->reset_ctrl.Bits.swr1 = 1;
    for( ;; )
        printk(".");
#elif defined(CONFIG_MIPS_UR8)
    struct _hw_reset *reset = (struct _hw_reset *)UR8_RESET_BASE;
    reset->reset_ctrl.Bits.swr1 = 1;
    for( ;; )
        printk(".");
#else /*--- #if defined(CONFIG_MIPS_OHIO) und andere ---*/
    volatile unsigned int *softres_reg = (unsigned int *)ioremap (SOFTRES_REG, sizeof(unsigned int));

	*softres_reg = GORESET;
#endif /*--- #else ---*/ /*--- #if defined(CONFIG_MIPS_OHIO) und andere ---*/
}

/*-------------------------------------------------------------------------------------*\
\*-------------------------------------------------------------------------------------*/
#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
}