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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/occ_405/firdata/sbe_fifo.c $ */
/* */
/* OpenPOWER OnChipController Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2017 */
/* [+] 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 */
#include "sbe_fifo.h"
#include <trac.h>
/** @brief Performs a FIFO operation (read or write)
* @param i_target The SCOM target.
* @param i_fifoRequest the FIFO request data structure
* @param i_fifoResponse the response from SBE
* @param i_responseSize the size of the response
* @return Non-SUCCESS if the operation fails. SUCCESS otherwise.
*/
uint32_t performFifoChipOp(SCOM_Trgt_t* i_target,
uint32_t* i_fifoRequest,
uint32_t* i_fifoResponse,
uint32_t i_responseSize)
{
uint32_t l_rc = SUCCESS;
TRAC_INFO("Enter performFifoChipOp");
TRAC_INFO("Exit performFifoChioOp");
return l_rc;
}
/** @brief Performs a write SCOM operation using SBE FIFO
* @param i_target The SCOM target.
* @param i_addr 64-bit SCOM address.
* @param i_data 64-bit data to write.
* @return Non-SUCCESS if the SCOM fails. SUCCESS otherwise.
*/
int32_t putFifoScom(SCOM_Trgt_t* i_target, uint64_t i_addr, uint64_t i_data)
{
uint32_t l_rc = SUCCESS;
TRAC_INFO("Enter putFifoScom");
struct fifoPutScomRequest l_fifoRequest;
struct fifoPutScomResponse l_fifoResponse;
l_fifoRequest.wordCnt = PUT_SCOM_REQUEST_WORD_CNT;
l_fifoRequest.reserved = 0;
l_fifoRequest.commandClass = SBE_FIFO_CLASS_SCOM_ACCESS;
l_fifoRequest.command = SBE_FIFO_CMD_PUT_SCOM;
l_fifoRequest.address = i_addr;
l_fifoRequest.data = i_data;
l_rc = performFifoChipOp(i_target,
(uint32_t*)&l_fifoRequest,
(uint32_t*)&l_fifoResponse,
sizeof(struct fifoPutScomResponse));
TRAC_INFO("Exit putFifoScom");
return l_rc;
}
/** @brief Performs a read SCOM operation using SBE FIFO
* @param i_target The SCOM target.
* @param i_addr 64-bit SCOM address.
* @param o_data 64-bit returned value.
* @return Non-SUCCESS if the SCOM fails. SUCCESS otherwise.
*/
int32_t getFifoScom(SCOM_Trgt_t* i_target, uint64_t i_addr, uint64_t* o_data)
{
uint32_t l_rc = SUCCESS;
TRAC_INFO("Enter getFifoScom");
struct fifoGetScomRequest l_fifoRequest;
struct fifoGetScomResponse l_fifoResponse;
l_fifoRequest.wordCnt = GET_SCOM_REQUEST_WORD_CNT;
l_fifoRequest.reserved = 0;
l_fifoRequest.commandClass = SBE_FIFO_CLASS_SCOM_ACCESS;
l_fifoRequest.command = SBE_FIFO_CMD_GET_SCOM;
l_fifoRequest.address = i_addr;
l_rc = performFifoChipOp(i_target,
(uint32_t*)&l_fifoRequest,
(uint32_t*)&l_fifoResponse,
sizeof(struct fifoGetScomResponse));
//Always return data even if there is an error
*o_data = l_fifoResponse.data;
TRAC_INFO("Exit getFifoScom");
return l_rc;
}
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