[mirror_ubuntu-artful-kernel.git] / arch / x86 / include / asm / apb_timer.h

/*
 * 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 */
Commit	Line	Data
bb24c471 JP	1	/*
	2	* apb_timer.h: Driver for Langwell APB timer based on Synopsis DesignWare
	3	*
	4	* (C) Copyright 2009 Intel Corporation
	5	* Author: Jacob Pan (jacob.jun.pan@intel.com)
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License
	9	* as published by the Free Software Foundation; version 2
	10	* of the License.
	11	*
	12	* Note:
	13	*/
	14
	15	#ifndef ASM_X86_APBT_H
	16	#define ASM_X86_APBT_H
	17	#include <linux/sfi.h>
	18
	19	#ifdef CONFIG_APB_TIMER
	20
bb24c471 JP	21	/* default memory mapped register base */
	22	#define LNW_SCU_ADDR 0xFF100000
	23	#define LNW_EXT_TIMER_OFFSET 0x1B800
	24	#define APBT_DEFAULT_BASE (LNW_SCU_ADDR+LNW_EXT_TIMER_OFFSET)
	25	#define LNW_EXT_TIMER_PGOFFSET 0x800
	26
	27	/* APBT clock speed range from PCLK to fabric base, 25-100MHz */
06c3df49 JI	28	#define APBT_MAX_FREQ 50000000
06c3df49 JI	29	#define APBT_MIN_FREQ 1000000
bb24c471 JP	30	#define APBT_MMAP_SIZE 1024
	31
	32	#define APBT_DEV_USED 1
	33
	34	extern void apbt_time_init(void);
bb24c471 JP	35	extern unsigned long apbt_quick_calibrate(void);
	36	extern int arch_setup_apbt_irqs(int irq, int trigger, int mask, int cpu);
	37	extern void apbt_setup_secondary_clock(void);
bb24c471 JP	38
	39	extern struct sfi_timer_table_entry *sfi_get_mtmr(int hint);
	40	extern void sfi_free_mtmr(struct sfi_timer_table_entry *mtmr);
	41	extern int sfi_mtimer_num;
	42
	43	#else /* CONFIG_APB_TIMER */
	44
	45	static inline unsigned long apbt_quick_calibrate(void) {return 0; }
e376fd66	46	static inline void apbt_time_init(void) { }
bb24c471 JP	47
	48	#endif
	49	#endif /* ASM_X86_APBT_H */