79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
/*
|
|
* 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_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);
|
|
|
|
/*
|
|
* Flush and reset the mmu, simulate a processor reset, and
|
|
* jump to the reset vector.
|
|
*/
|
|
void cpu_reset(void) __attribute__((noreturn));
|
|
|
|
#endif /* _XTENSA_PLATFORM_H */
|