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/*
* Platform specific functions
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file "COPYING" in the main directory of
* this archive for more details.
*
* Copyright (C) 2001 - 2005 Tensilica Inc.
*/
#ifndef _XTENSA_PLATFORM_H
#define _XTENSA_PLATFORM_H
#include <linux/types.h>
#include <linux/pci.h>
#include <asm/bootparam.h>
/*
* platform_init is called before the mmu is initialized to give the
* platform a early hook-up. bp_tag_t is a list of configuration tags
* passed from the boot-loader.
*/
extern void platform_init(bp_tag_t*);
/*
* platform_setup is called from setup_arch with a pointer to the command-line
* string.
*/
extern void platform_setup (char **);
/*
* platform_init_irq is called from init_IRQ.
*/
extern void platform_init_irq (void);
/*
* platform_restart is called to restart the system.
*/
extern void platform_restart (void);
/*
* platform_halt is called to stop the system and halt.
*/
extern void platform_halt (void);
/*
* platform_power_off is called to stop the system and power it off.
*/
extern void platform_power_off (void);
/*
* platform_idle is called from the idle function.
*/
extern void platform_idle (void);
/*
* platform_heartbeat is called every HZ
*/
extern void platform_heartbeat (void);
/*
* platform_pcibios_init is called to allow the platform to setup the pci bus.
*/
extern void platform_pcibios_init (void);
/*
* platform_pcibios_fixup allows to modify the PCI configuration.
*/
extern int platform_pcibios_fixup (void);
/*
* platform_calibrate_ccount calibrates cpu clock freq (CONFIG_XTENSA_CALIBRATE)
*/
extern void platform_calibrate_ccount (void);
/*
* platform_get_rtc_time returns RTC seconds (returns 0 for no error)
*/
extern int platform_get_rtc_time(time_t*);
/*
* platform_set_rtc_time set RTC seconds (returns 0 for no error)
*/
extern int platform_set_rtc_time(time_t);
#endif /* _XTENSA_PLATFORM_H */
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