mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 17:30:02 +00:00
![Linus Torvalds](/assets/img/avatar_default.png)
* 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: clocksource: apb: Share APB timer code with other platforms
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/*
|
|
* apb_timer.h: Driver for Langwell APB timer based on Synopsis DesignWare
|
|
*
|
|
* (C) Copyright 2009 Intel Corporation
|
|
* Author: Jacob Pan (jacob.jun.pan@intel.com)
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; version 2
|
|
* of the License.
|
|
*
|
|
* Note:
|
|
*/
|
|
|
|
#ifndef ASM_X86_APBT_H
|
|
#define ASM_X86_APBT_H
|
|
#include <linux/sfi.h>
|
|
|
|
#ifdef CONFIG_APB_TIMER
|
|
|
|
/* default memory mapped register base */
|
|
#define LNW_SCU_ADDR 0xFF100000
|
|
#define LNW_EXT_TIMER_OFFSET 0x1B800
|
|
#define APBT_DEFAULT_BASE (LNW_SCU_ADDR+LNW_EXT_TIMER_OFFSET)
|
|
#define LNW_EXT_TIMER_PGOFFSET 0x800
|
|
|
|
/* APBT clock speed range from PCLK to fabric base, 25-100MHz */
|
|
#define APBT_MAX_FREQ 50000000
|
|
#define APBT_MIN_FREQ 1000000
|
|
#define APBT_MMAP_SIZE 1024
|
|
|
|
#define APBT_DEV_USED 1
|
|
|
|
extern void apbt_time_init(void);
|
|
extern unsigned long apbt_quick_calibrate(void);
|
|
extern int arch_setup_apbt_irqs(int irq, int trigger, int mask, int cpu);
|
|
extern void apbt_setup_secondary_clock(void);
|
|
|
|
extern struct sfi_timer_table_entry *sfi_get_mtmr(int hint);
|
|
extern void sfi_free_mtmr(struct sfi_timer_table_entry *mtmr);
|
|
extern int sfi_mtimer_num;
|
|
|
|
#else /* CONFIG_APB_TIMER */
|
|
|
|
static inline unsigned long apbt_quick_calibrate(void) {return 0; }
|
|
static inline void apbt_time_init(void) { }
|
|
|
|
#endif
|
|
#endif /* ASM_X86_APBT_H */
|