Orange Pi5 kernel

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * 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)
 *
 * 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
 
extern void apbt_time_init(void);
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 void apbt_time_init(void) { }
 
#endif
#endif /* ASM_X86_APBT_H */