47 lines
1.1 KiB
C
47 lines
1.1 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 <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_idle is called from the idle function.
|
||
|
|
*/
|
||
|
|
extern void platform_idle (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 */
|