Skip to content

Commit

Permalink
SBE FIFO: Change set #1
Browse files Browse the repository at this point in the history 
Ported the needed structs and the first set of SBE FIFO
functions: getFifoScom, putFifoScom, and the shell for
performFifoChipOp.

Change-Id: Ief8876266950f166d867dbab8c8fcc8b94398860
RTC:175100
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/41932
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Prachi Gupta <pragupta@us.ibm.com>
Reviewed-by: Zane C. Shelley <zshelle@us.ibm.com>
Reviewed-by: William A. Bryan <wilbryan@us.ibm.com>
Reviewed-by: Martha Broyles <mbroyles@us.ibm.com>
  • Loading branch information
@marthabroyles
Ilya Smirnov authored and marthabroyles committed Jun 26, 2017
1 parent cc46aff commit 99f068d
Show file tree
Hide file tree
Showing 4 changed files with 223 additions and 1 deletion.
114 changes: 114 additions & 0 deletions src/occ_405/firdata/sbe_fifo.c
View file
@@ -0,0 +1,114 @@
/* 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;
}
106 changes: 106 additions & 0 deletions src/occ_405/firdata/sbe_fifo.h
View file
@@ -0,0 +1,106 @@
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/occ_405/firdata/sbe_fifo.h $ */
/* */
/* 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 */
#ifndef __SBE_FIFO_H
#define __SBE_FIFO_H

#include <scom_trgt.h>
#include <stdint.h>

#define PACKED __attribute__((__packed__))

#define PUT_SCOM_REQUEST_WORD_CNT 0x06
#define GET_SCOM_REQUEST_WORD_CNT 0x04

#define SBE_FIFO_CMD_GET_SCOM 0x01
#define SBE_FIFO_CMD_PUT_SCOM 0x02
#define SBE_FIFO_CLASS_SCOM_ACCESS 0xA2

struct statusHeader
{
uint16_t magic; //set to 0xC0DE
uint8_t commandClass;
uint8_t command;
uint16_t primaryStatus;
uint16_t secondaryStatus;
} PACKED;

struct ffdc_struct
{
const void* ptr;
size_t size;
};

struct fifoPutScomRequest
{
uint32_t wordCnt;
uint16_t reserved;
uint8_t commandClass;
uint8_t command;
uint64_t address;
uint64_t data;
} PACKED;

struct fifoPutScomResponse
{
struct statusHeader status;
struct ffdc_struct ffdc; //ffdc data
uint32_t status_distance; //distance to status
} PACKED;

struct fifoGetScomRequest
{
uint32_t wordCnt;
uint16_t reserved;
uint8_t commandClass;
uint8_t command;
uint64_t address;
} PACKED;

struct fifoGetScomResponse
{
uint64_t data; //Data (0..31) + (32..63)
struct statusHeader status;
struct ffdc_struct ffdc; //ffdc data
uint32_t status_distance; // distance to status
} PACKED;

/** @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);

/** @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);

#endif

3 changes: 2 additions & 1 deletion src/occ_405/occLinkInputFile
View file
Expand Up @@ -104,4 +104,5 @@ INPUT ( amec_amester.o
native.o
scom_trgt.o
scom_util.o
scom_addr_util.o)
scom_addr_util.o
sbe_fifo.o)
1 change: 1 addition & 0 deletions src/occ_405/topfiles.mk
View file
Expand Up @@ -70,6 +70,7 @@ TOP-C-SOURCES = amec/amec_analytics.c \
firdata/fsi.c \
firdata/native.c \
firdata/pnor_mboxdd.c \
firdata/sbe_fifo.c \
firdata/scom_addr_util.c \
firdata/scom_trgt.c \
firdata/scom_util.c \
Expand Down

0 comments on commit 99f068d

Please sign in to comment.