n200_func.h

/*
 * Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
 *
 * SPDX-License-Identifier: MIT
 */

#ifndef N200_FUNC_H
#define N200_FUNC_H

__BEGIN_DECLS

#include "n200_timer.h"
#ifdef CONFIG_N200_REVA
#include "interrupt_control_pic.h"
#else
#include "interrupt_control_eclic.h"
#endif
#include "gcc_compiler_attributes.h"

#define PMP_CFG_R_NO    (0<<0)
#define PMP_CFG_R_EN    (1<<0)

#define PMP_CFG_W_NO    (0<<1)
#define PMP_CFG_W_EN    (1<<1)

#define PMP_CFG_X_NO    (0<<2)
#define PMP_CFG_X_EN    (1<<2)

#define PMP_CFG_A_OFF   (0<<3)
#define PMP_CFG_A_NA4   (2<<3)
#define PMP_CFG_A_NAPOT (3<<3)

#define PMP_CFG_L_NO    (0<<7)
#define PMP_CFG_L_EN    (1<<7)

/* The size should be the number of 2^n */
#define NAPOT_SIZE(size)	(((size) - 1) >> 3)

extern uint32_t _text;
extern uint32_t _etext;

uint32_t config_pmp(void);

void pmp_open_all_space(void);

void switch_m2u_mode(void);

uint32_t get_mtime_freq(void);

uint32_t mtime_lo(void);

uint32_t mtime_hi(void);

uint64_t get_mtime_value(void);

uint64_t get_instret_value(void);

uint64_t get_cycle_value(void);

uint32_t get_cpu_freq(void);

uint32_t __noinline measure_cpu_freq(size_t n);

void wfe(void);

uint64_t get_timer_value(void);

uint32_t get_timer_freq(void);

void test_handler(void);

int EnableIrq(uint32_t ulIrq);

int DisableIrq(uint32_t ulIrq);

int SetIrqPriority(uint32_t ulIrq, uint32_t ulProi);

int ClearPendingIrq(uint32_t ulIrq);

int RegisterIrq(uint32_t int_num, uint32_t int_priority, function_ptr_t handler);

int UnRegisterIrq(uint32_t ulIrq);

unsigned long interrupt_status_get(void);

void interrupt_disable(void);

void interrupt_enable(void);

__END_DECLS

#endif