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/*
* arch/xtensa/kernel/platform.c
*
* Default platform 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) 2005 Tensilica Inc.
*
* Chris Zankel <chris@zankel.net>
*/
#include <linux/printk.h>
#include <linux/types.h>
#include <linux/units.h>
#include <asm/platform.h>
#include <asm/timex.h>
/*
* Default functions that are used if no platform specific function is defined.
* (Please, refer to arch/xtensa/include/asm/platform.h for more information)
*/
void __weak __init platform_init(bp_tag_t *first)
{
}
void __weak __init platform_setup(char **cmd)
{
}
void __weak platform_idle(void)
{
__asm__ __volatile__ ("waiti 0" ::: "memory");
}
#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
void __weak platform_calibrate_ccount(void)
{
pr_err("ERROR: Cannot calibrate cpu frequency! Assuming 10 MHz.\n");
ccount_freq = 10 * HZ_PER_MHZ;
}
#endif
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