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/*
* 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: early_uart.c
* Date: 2022-02-11 13:33:28
* LastEditTime: 2022-02-17 17:59:26
* Description: This file is for
*
* Modify History:
* Ver Who Date Changes
* ----- ------ -------- --------------------------------------
* 1.0 rtos 2022/6/25 init commit
* 1.1 zhangyan 2023/7/11 modify
*/
/***************************** Include Files *********************************/
#include "rtconfig.h"
#ifdef RT_USING_SMART
#include <ioremap.h>
#endif
#include "fkernel.h"
#include "fio.h"
#include "fparameters.h"
#include "fearly_uart.h"
#include "fpl011.h"
/**************************** Type Definitions *******************************/
static FPl011 early_uart;
void FEarlyUartProbe(void)
{
FPl011Config config;
config = *FPl011LookupConfig(EARLY_UART_CTRL_ID);
#ifdef RT_USING_SMART
config.base_address = (uintptr)rt_ioremap((void *)config.base_address, 0x2000);
#endif
FPl011CfgInitialize(&early_uart, &config);
return;
}
/************************** Constant Definitions *****************************/
/************************** Variable Definitions *****************************/
/***************** Macros (Inline Functions) Definitions *********************/
/*****************************************************************************/
void OutByte(s8 byte)
{
FPl011BlockSend(&early_uart, (u8 *)&byte, 1);
}
char GetByte(void)
{
return (char)(FPl011BlockReceive(&early_uart));
}
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