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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/usr/hwpf/hwp/dimmBadDqBitmapAccessHwp.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2014 */
/* */
/* 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 */
// $Id: dimmBadDqBitmapAccessHwp.H,v 1.3 2013/10/03 20:40:52 dedahle Exp $
/**
* @file dimmBadDqBitmapAccessHwp.H
*
* @brief FW Team HWP that accesses the Bad DQ Bitmap.
*/
/*
* Change Log ******************************************************************
* Flag Defect/Feature User Date Description
* ------ -------------- ---------- ----------- ----------------------------
* mjjones 02/17/2012 Created.
*/
#ifndef DIMMBADDQBITMAPACCESSHWP_H_
#define DIMMBADDQBITMAPACCESSHWP_H_
#include <fapi.H>
#include <dimmConsts.H>
typedef fapi::ReturnCode (*dimmBadDqBitmapAccessHwp_FP_t)(
const fapi::Target &,
const fapi::Target &,
const uint8_t (&)[DIMM_DQ_MAX_DIMM_RANKS][DIMM_DQ_RANK_BITMAP_SIZE],
const bool);
extern "C"
{
/**
* @brief FW Team HWP that accesses the Bad DQ Bitmap. It accesses the raw data
* from DIMM SPD and does any necessary processing to turn it into a
* bitmap from a Centaur DQ point of view. If the data in SPD is not
* valid then it has never been written and all zeroes are returned (no
* bad DQs).
*
* This HWP should be called by HWP/PLAT code to access the BAD DQ Bitmap
*
* Note that the MSB of each byte corresponds to the lowest DQ.
* if (data[1][0] == 0x80) then rank 1, Centaur DQ0 is bad
* if (data[1][0] == 0x40) then rank 1, Centaur DQ1 is bad
* if (data[1][1] == 0x20) then rank 1, Centaur DQ10 is bad
*
* @param[in] i_mba Reference to MBA Target
* @param[in] i_dimm Reference to DIMM Target
* @param[io] io_data Reference to bad DQ bitmap data for the DIMM.
* @param[in] i_get True if getting DQ Bitmap data. False if setting data.
*
* @return ReturnCode
*/
fapi::ReturnCode dimmBadDqBitmapAccessHwp(
const fapi::Target & i_mba,
const fapi::Target & i_dimm,
uint8_t (&io_data)[DIMM_DQ_MAX_DIMM_RANKS][DIMM_DQ_RANK_BITMAP_SIZE],
const bool i_get);
}
#endif
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