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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2019 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#ifndef __SYS_CLINT_H__
#define __SYS_CLINT_H__
#include <sbi/sbi_types.h>
struct clint_data {
/* Public details */
unsigned long addr;
u32 first_hartid;
u32 hart_count;
bool has_64bit_mmio;
/* Private details (initialized and used by CLINT library)*/
u32 *ipi;
struct clint_data *time_delta_reference;
unsigned long time_delta_computed;
u64 time_delta;
u64 *time_val;
u64 *time_cmp;
u64 (*time_rd)(volatile u64 *addr);
void (*time_wr)(u64 value, volatile u64 *addr);
};
void clint_ipi_send(u32 target_hart);
void clint_ipi_clear(u32 target_hart);
int clint_warm_ipi_init(void);
int clint_cold_ipi_init(struct clint_data *clint);
u64 clint_timer_value(void);
void clint_timer_event_stop(void);
void clint_timer_event_start(u64 next_event);
int clint_warm_timer_init(void);
int clint_cold_timer_init(struct clint_data *clint,
struct clint_data *reference);
#endif
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