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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2021 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#ifndef __TIMER_ACLINT_MTIMER_H__
#define __TIMER_ACLINT_MTIMER_H__
#include <sbi/sbi_types.h>
#define ACLINT_MTIMER_ALIGN 0x8
#define ACLINT_MTIMER_MAX_HARTS 4095
#define ACLINT_DEFAULT_MTIME_OFFSET 0x7ff8
#define ACLINT_DEFAULT_MTIME_SIZE 0x8
#define ACLINT_DEFAULT_MTIMECMP_OFFSET 0x0000
#define ACLINT_DEFAULT_MTIMECMP_SIZE 0x7ff8
#define CLINT_MTIMER_OFFSET 0x4000
struct aclint_mtimer_data {
/* Public details */
unsigned long mtime_addr;
unsigned long mtime_size;
unsigned long mtimecmp_addr;
unsigned long mtimecmp_size;
u32 first_hartid;
u32 hart_count;
bool has_64bit_mmio;
/* Private details (initialized and used by ACLINT MTIMER library) */
struct aclint_mtimer_data *time_delta_reference;
unsigned long time_delta_computed;
u64 time_delta;
u64 (*time_rd)(volatile u64 *addr);
void (*time_wr)(bool timecmp, u64 value, volatile u64 *addr);
};
int aclint_mtimer_warm_init(void);
int aclint_mtimer_cold_init(struct aclint_mtimer_data *mt,
struct aclint_mtimer_data *reference);
#endif
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