130 lines
3.8 KiB
C
130 lines
3.8 KiB
C
/*
|
||
* Copyright : (C) 2022 Phytium Information Technology, Inc.
|
||
* All Rights Reserved.
|
||
*
|
||
* This program is OPEN SOURCE software: you can redistribute it and/or modify it
|
||
* under the terms of the Phytium Public License as published by the Phytium Technology Co.,Ltd,
|
||
* either version 1.0 of the License, or (at your option) any later version.
|
||
*
|
||
* This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY;
|
||
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||
* See the Phytium Public License for more details.
|
||
*
|
||
*
|
||
* FilePath: fwdt_hw.h
|
||
* Date: 2021-08-25 10:27:42
|
||
* LastEditTime: 2022-02-25 11:44:33
|
||
* Description: This file is for wdt register definition.
|
||
*
|
||
* Modify History:
|
||
* Ver Who Date Changes
|
||
* ----- ------ -------- --------------------------------------
|
||
* 1.0 wangxiaodong 2022/4/15 init commit
|
||
*/
|
||
|
||
#ifndef FWDT_HW_H
|
||
#define FWDT_HW_H
|
||
|
||
#include "fkernel.h"
|
||
#include "fio.h"
|
||
|
||
#ifdef __cplusplus
|
||
extern "C"
|
||
{
|
||
#endif
|
||
|
||
/* Watchdog register definitions */
|
||
|
||
/* refresh frame */
|
||
#define FWDT_GWDT_WRR 0x000
|
||
#define FWDT_GWDT_W_IIR 0xfcc
|
||
|
||
/* control frame */
|
||
#define FWDT_GWDT_WCS 0x000 /* WCS register */
|
||
#define FWDT_GWDT_WOR 0x008
|
||
#define FWDT_GWDT_WCVL 0x010
|
||
#define FWDT_GWDT_WCVH 0x014
|
||
|
||
/* Watchdog Control and Status Register */
|
||
#define FWDT_GWDT_WCS_WDT_EN BIT(0)
|
||
#define FWDT_GWDT_WCS_WS0 BIT(1)
|
||
#define FWDT_GWDT_WCS_WS1 BIT(2)
|
||
|
||
/***************** Macros (Inline Functions) Definitions *********************/
|
||
|
||
/**
|
||
* @name: WDT_READ_REG32
|
||
* @msg: read WDT register
|
||
* @param {u32} addr, base address
|
||
* @param {u32} reg_offset, register offset
|
||
* @return {u32} register value
|
||
*/
|
||
#define FWDT_READ_REG32(addr, reg_offset) FtIn32((addr) + (u32)(reg_offset))
|
||
|
||
/**
|
||
* @name: FWDT_WRITE_REG32
|
||
* @msg: write WDT register
|
||
* @param {u32} addr, base address
|
||
* @param {u32} reg_offset, register offset
|
||
* @param {u32} reg_value, value write to register
|
||
* @return {u32} register value
|
||
*/
|
||
#define FWDT_WRITE_REG32(addr, reg_offset, reg_value) FtOut32((addr) + (u32)(reg_offset), (u32)(reg_value))
|
||
|
||
#define FWDT_VERSION_MASK GENMASK(19, 16)
|
||
#define FWDT_CONTINUATION_CODE_MASK GENMASK(11, 8)
|
||
#define FWDT_IDENTIFY_CODE_MASK GENMASK(6, 0)
|
||
/**
|
||
* @name: FWdtReadWCVH
|
||
* @msg: Read wdt wcvh register value. wcvl and wclh register stores the comparison value of the watchdog count.
|
||
* timeout value = comparison value - sys_cnt.
|
||
* @param {uintptr} addr, pointer to a WdtCtrl base addr.
|
||
* @return {u32} register value
|
||
*/
|
||
|
||
static inline u32 FWdtReadWCVH(uintptr addr)
|
||
{
|
||
return FWDT_READ_REG32(addr, FWDT_GWDT_WCVH);
|
||
}
|
||
|
||
/**
|
||
* @name: FWdtReadWCVL
|
||
* @msg: Read wdt wcvl register value. wcvl and wclh register stores the comparison value of the watchdog count.
|
||
* timeout value = comparison value - sys_cnt.
|
||
* @param {uintptr} addr, pointer to a WdtCtrl base addr.
|
||
* @return {u32} register value
|
||
*/
|
||
static inline u32 FWdtReadWCVL(uintptr addr)
|
||
{
|
||
return FWDT_READ_REG32(addr, FWDT_GWDT_WCVL);
|
||
}
|
||
|
||
/**
|
||
* @name: FWdtReadWOR
|
||
* @msg: Read wdt wor register value. used to set timeout value, wor + sys_cnt = wcv.
|
||
* @param {uintptr} addr, pointer to a WdtCtrl base addr.
|
||
* @return {u32} register value
|
||
*/
|
||
static inline u32 FWdtReadWOR(uintptr addr)
|
||
{
|
||
return FWDT_READ_REG32(addr, FWDT_GWDT_WOR);
|
||
}
|
||
|
||
/**
|
||
* @name: FWdtReadWCS
|
||
* @msg: Read wdt wcs register value. wcs is control and state register. bit0 enable(1) or disable(0) wdt.
|
||
* @param {uintptr} addr, pointer to a WdtCtrl base addr.
|
||
* @return {u32} register value
|
||
*/
|
||
static inline u32 FWdtReadWCS(uintptr addr)
|
||
{
|
||
return FWDT_READ_REG32(addr, FWDT_GWDT_WCS);
|
||
}
|
||
|
||
void FWdtDump(uintptr base_addr);
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
|
||
#endif |