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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/usr/console/uartif.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2019 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __CONSOLE_UARTIF_H
#define __CONSOLE_UARTIF_H
#include <stdarg.h>
namespace CONSOLE
{
const uint8_t SERIAL_IRQ = 4;
// Host SerlIRQ interrupt type for SUART1
const uint8_t RESERVED = 0x00;
const uint8_t LOW_LEVEL_TRIG = 0x01;
const uint8_t RISING_EDGE_TRIG = 0x02;
const uint8_t HIGH_LEVEL_TRIG = 0x03;
/**
* Structure to return UART information in
*/
struct UartInfo_t
{
uint64_t lpcBaseAddr; //< Base address of the UART device the LPC bus
uint32_t lpcSize; //< Size of the UART device address space on LPC bus
uint32_t clockFreqHz; //< Clock Frequency of the UART baud clock in Hz
uint32_t freqHz; //< Current baud rate of the UART device
uint8_t interruptNum; //< UART Interrupt Number
uint8_t interruptTrigger; //< UART trigger type
//< 0x01: low level, 0x02: rising edge, 0x03: high level
};
/**
* Retrieve some information about the UART and the connection
* we have to it.
*
* @return Structure of UART data
*/
UartInfo_t getUartInfo(void);
};
#endif
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