/* * 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 */