2 * arch/xtensa/kernel/platform.c
4 * Default platform functions.
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
10 * Copyright (C) 2005 Tensilica Inc.
15 #include <linux/printk.h>
16 #include <linux/types.h>
17 #include <asm/platform.h>
18 #include <asm/timex.h>
21 * Default functions that are used if no platform specific function is defined.
22 * (Please, refer to arch/xtensa/include/asm/platform.h for more information)
25 void __weak __init platform_init(bp_tag_t *first)
29 void __weak __init platform_setup(char **cmd)
33 void __weak platform_idle(void)
35 __asm__ __volatile__ ("waiti 0" ::: "memory");
38 #ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
39 void __weak platform_calibrate_ccount(void)
41 pr_err("ERROR: Cannot calibrate cpu frequency! Assuming 10MHz.\n");
42 ccount_freq = 10 * 1000000UL;