/**
* @file IxParityENAcc.h
*
* @author Intel Corporation
* @date 24 Mar 2004
*
* @brief This file contains the public API for the IXP400 Parity Error
* Notifier access component.
*
* @par
* IXP400 SW Release version 2.0
*
* -- Copyright Notice --
*
* @par
* Copyright 2001-2005, Intel Corporation.
* All rights reserved.
*
* @par
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* @par
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @par
* -- End of Copyright Notice --
*/
/**
* @defgroup IxParityENAcc IXP400 Parity Error Notifier (IxParityENAcc) API
*
* @brief The public API for the Parity Error Notifier
*
* @{
*/
#ifndef IXPARITYENACC_H
#define IXPARITYENACC_H
#ifdef __ixp46X
#include "IxOsal.h"
/*
* #defines for function return types, etc.
*/
/**
* @ingroup IxParityENAcc
*
* @enum IxParityENAccStatus
*
* @brief The status as returend from the API
*/
typedef enum /**< IxParityENAccStatus */
{
IX_PARITYENACC_SUCCESS = IX_SUCCESS, /**< The request is successful */
IX_PARITYENACC_INVALID_PARAMETERS, /**< Invalid or NULL parameters passed */
IX_PARITYENACC_NOT_INITIALISED, /**< Access layer has not been initialised before accessing the APIs */
IX_PARITYENACC_ALREADY_INITIALISED, /**< Access layer has already been initialised */
IX_PARITYENACC_OPERATION_FAILED, /**< Operation did not succeed due to hardware failure */
IX_PARITYENACC_NO_PARITY /**< No parity condition exits or has already been cleared */
} IxParityENAccStatus;
/**
* @ingroup IxParityENAcc
*
* @enum IxParityENAccParityType
*
* @brief Odd or Even Parity Type
*/
typedef enum /**< IxParityENAccParityType */
{
IX_PARITYENACC_EVEN_PARITY, /**< Even Parity */
IX_PARITYENACC_ODD_PARITY /**< Odd Parity */
} IxParityENAccParityType;
/**
* @ingroup IxParityENAcc
*
* @enum IxParityENAccConfigOption
*
* @brief The parity error enable/disable configuration option
*/
typedef enum /**< IxParityENAccConfigOption */
{
IX_PARITYENACC_DISABLE, /**< Disable parity error detection */
IX_PARITYENACC_ENABLE /**< Enable parity error detection */
} IxParityENAccConfigOption;
/**
* @ingroup IxParityENAcc
*
* @struct IxParityENAccNpeConfig
*
* @brief NPE parity detection is to be enabled/disabled
*/
typedef struct /**< IxParityENAccNpeConfig */
{
IxParityENAccConfigOption ideEnabled; /**< NPE IMem, DMem and External */
IxParityENAccParityType parityOddEven; /**< Parity - Odd or Even */
} IxParityENAccNpeConfig ;
/**
* @ingroup IxParityENAcc
*
* @struct IxParityENAccMcuConfig
*
* @brief MCU pairty detection is to be enabled/disabled
*/
typedef struct /**< IxParityENAccMcuConfig */
{
IxParityENAccConfigOption singlebitDetectEnabled; /**< Single-bit parity error detection */
IxParityENAccConfigOption singlebitCorrectionEnabled; /**< Single-bit parity error correction */
IxParityENAccConfigOption multibitDetectionEnabled; /**< Multi-bit parity error detection */
} IxParityENAccMcuConfig ;
/**
* @ingroup IxParityENAcc
*
* @struct IxParityENAccEbcConfig
*
* @brief Expansion Bus Controller parity detection is to be enabled or disabled
*
* Note: All the Chip Select(s) and External Masters will have the same parity
*/
typedef struct /**< IxParityENAccEbcConfig */
{
IxParityENAccConfigOption ebcCs0Enabled; /**< Expansion Bus Controller - Chip Select 0 */
IxParityENAccConfigOption ebcCs1Enabled; /**< Expansion Bus Controller - Chip Select 1 */
IxParityENAccConfigOption ebcCs2Enabled; /**< Expansion Bus Controller - Chip Select 2 */
IxParityENAccConfigOption ebcCs3Enabled; /**< Expansion Bus Controller - Chip Select 3 */
IxParityENAccConfigOption ebcCs4Enabled; /**< Expansion Bus Controller - Chip Select 4 */
IxParityENAccConfigOption ebcCs5Enabled; /**< Expansion Bus Controller - Chip Select 5 */
IxParityENAccConfigOption ebcCs6Enabled; /**< Expansion Bus Controller - Chip Select 6 */
IxParityENAccConfigOption ebcCs7Enabled; /**< Expansion Bus Controller - Chip Select 7 */
IxParityENAccConfigOption ebcExtMstEnabled; /**< External Master on Expansion bus */
IxParityENAccParityType parityOddEven; /**< Parity - Odd or Even */
} IxParityENAccEbcConfig ;
/**
* @ingroup IxParityENAcc
*
* @struct IxParityENAccHWParityConfig
*
* @brief Parity error configuration of the Hardware Blocks
*/
typedef struct /**< IxParityENAccHWParityConfig */
{
IxParityENAccNpeConfig npeAConfig; /**< NPE A parity detection is to be enabled/disabled */
IxParityENAccNpeConfig npeBConfig; /**< NPE B parity detection is to be enabled/disabled */
IxParityENAccNpeConfig npeCConfig; /**< NPE C parity detection is to be enabled/disabled */
IxParityENAccMcuConfig mcuConfig; /**< MCU pairty detection is to be enabled/disabled */
IxParityENAccConfigOption swcpEnabled; /**< SWCP parity detection is to be enabled */
IxParityENAccConfigOption aqmEnabled; /**< AQM parity detection is to be enabled */
IxParityENAccEbcConfig ebcConfig; /**< Expansion Bus Controller parity detection is to be enabled/disabled */
} IxParityENAccHWParityConfig;
/**
* @ingroup IxParityENAcc
*
* @struct IxParityENAccNpeParityErrorStats
*
* @brief NPE parity error statistics
*/
typedef struct /* IxParityENAccNpeParityErrorStats */
{
UINT32 parityErrorsIMem; /**< Parity errors in Instruction Memory */
UINT32 parityErrorsDMem; /**< Parity errors in Data Memory */
UINT32 parityErrorsExternal; /**< Parity errors in NPE External Entities */
} IxParityENAccNpeParityErrorStats;
/**
* @ingroup IxParityENAcc
*
* @struct IxParityENAccMcuParityErrorStats
*
* @brief DDR Memory Control Unit parity error statistics
*
* Note: There could be two outstanding parity errors at any given time whose address
* details captured. If there is no room for the new interrupt then it would be treated
* as overflow parity condition.
*/
typedef struct /* IxParityENAccMcuParityErrorStats */
{
UINT32 parityErrorsSingleBit; /**< Parity errors of the type Single-Bit */
UINT32 parityErrorsMultiBit; /**< Parity errors of the type Multi-Bit */
UINT32 parityErrorsOverflow; /**< Parity errors when more than two parity errors occured */
} IxParityENAccMcuParityErrorStats;
/**
* @ingroup IxParityENAcc
*
* @struct IxParityENAccEbcParityErrorStats
*
* @brief Expansion Bus Controller parity error statistics
*/
typedef struct /* IxParityENAccEbcParityErrorStats */
{
UINT32 parityErrorsInbound; /**< Odd bit parity errors on inbound transfers */
UINT32 parityErrorsOutbound; /**< Odd bit parity errors on outbound transfers */
} IxParityENAccEbcParityErrorStats;
/**
* @ingroup IxParityENAcc
*
* @struct IxParityENAccParityErrorStats
*
* @brief Parity Error Statistics for the all the hardware blocks
*/
typedef struct /**< IxParityENAccParityErrorStats */
{
IxParityENAccNpeParityErrorStats npeStats; /**< NPE parity error statistics */
IxParityENAccMcuParityErrorStats mcuStats; /**< MCU parity error statistics */
IxParityENAccEbcParityErrorStats ebcStats; /**< EBC parity error statistics */
UINT32 swcpStats; /**< SWCP parity error statistics */
UINT32 aqmStats; /**< AQM parity error statistics */
} IxParityENAccParityErrorStats;
/**
* @ingroup IxParityENAcc
*
* @enum IxParityENAccParityErrorSource
*
* @brief The source of the parity error notification
*/
typedef enum /**< IxParityENAccParityErrorSource */
{
IX_PARITYENACC_NPE_A_IMEM, /**< NPE A - Instruction memory */
IX_PARITYENACC_NPE_A_DMEM, /**< NPE A - Data memory */
IX_PARITYENACC_NPE_A_EXT, /**< NPE A - External Entity*/
IX_PARITYENACC_NPE_B_IMEM, /**< NPE B - Instruction memory */
IX_PARITYENACC_NPE_B_DMEM, /**< NPE B - Data memory */
IX_PARITYENACC_NPE_B_EXT, /**< NPE B - External Entity*/
IX_PARITYENACC_NPE_C_IMEM, /**< NPE C - Instruction memory */
IX_PARITYENACC_NPE_C_DMEM, /**< NPE C - Data memory */
IX_PARITYENACC_NPE_C_EXT, /**< NPE C - External Entity*/
IX_PARITYENACC_SWCP, /**< SWCP */
IX_PARITYENACC_AQM, /**< AQM */
IX_PARITYENACC_MCU_SBIT, /**< DDR Memory Controller Unit - Single bit parity */
IX_PARITYENACC_MCU_MBIT, /**< DDR Memory Controller Unit - Multi bit parity */
IX_PARITYENACC_MCU_OVERFLOW, /**< DDR Memory Controller Unit - Parity errors in excess of two */
IX_PARITYENACC_EBC_CS, /**< Expansion Bus Controller - Chip Select */
IX_PARITYENACC_EBC_EXTMST /**< Expansion Bus Controller - External Master */
} IxParityENAccParityErrorSource;
/**
* @ingroup IxParityENAcc
*
* @enum IxParityENAccParityErrorAccess
*
* @brief The type of access resulting in parity error
*/
typedef enum /**< IxParityENAccParityErrorAccess */
{
IX_PARITYENACC_READ, /**< Read Access */
IX_PARITYENACC_WRITE /**< Write Access */
} IxParityENAccParityErrorAccess;
/**
* @ingroup IxParityENAcc
*
* @typedef IxParityENAccParityErrorAddress
*
* @brief The memory location which has parity error
*/
typedef UINT32 IxParityENAccParityErrorAddress;
/**
* @ingroup IxParityENAcc
*
* @typedef IxParityENAccParityErrorData
*
* @brief The data read from the memory location which has parity error
*/
typedef UINT32 IxParityENAccParityErrorData;
/**
* @ingroup IxParityENAcc
*
* @enum IxParityENAccParityErrorRequester
*
* @brief The requester interface through which the SDRAM memory access
* resulted in the parity error.
*/
typedef enum /**< IxParityENAccParityErrorRequester */
{
IX_PARITYENACC_MPI, /**< Direct Memory Port Interface */
IX_PARITYENACC_AHB_BUS /**< South or North AHB Bus */
} IxParityENAccParityErrorRequester;
/**
* @ingroup IxParityENAcc
*
* @enum IxParityENAccAHBErrorMaster
*
* @brief The Master on the AHB bus interface whose transaction might have
* resulted in the parity error notification to XScale.
*/
typedef enum /**< IxParityENAccAHBErrorMaster */
{
IX_PARITYENACC_AHBN_MST_NPE_A, /**< NPE - A */
IX_PARITYENACC_AHBN_MST_NPE_B, /**< NPE - B */
IX_PARITYENACC_AHBN_MST_NPE_C, /**< NPE - C */
IX_PARITYENACC_AHBS_MST_XSCALE, /**< XScale Bus Interface Unit */
IX_PARITYENACC_AHBS_MST_PBC, /**< PCI Bus Controller */
IX_PARITYENACC_AHBS_MST_EBC, /**< Expansion Bus Controller */
IX_PARITYENACC_AHBS_MST_AHB_BRIDGE, /**< AHB Bridge */
IX_PARITYENACC_AHBS_MST_USBH /**< USB Host Controller */
} IxParityENAccAHBErrorMaster;
/**
* @ingroup IxParityENAcc
*
* @enum IxParityENAccAHBErrorSlave
*
* @brief The Slave on the AHB bus interface whose transaction might have
* resulted in the parity error notification to XScale.
*/
typedef enum /**< IxParityENAccAHBErrorSlave */
{
IX_PARITYENACC_AHBN_SLV_MCU, /**< Memory Control Unit */
IX_PARITYENACC_AHBN_SLV_AHB_BRIDGE, /**< AHB Bridge */
IX_PARITYENACC_AHBS_SLV_MCU, /**< XScale Bus Interface Unit */
IX_PARITYENACC_AHBS_SLV_APB_BRIDGE, /**< APB Bridge */
IX_PARITYENACC_AHBS_SLV_AQM, /**< AQM */
IX_PARITYENACC_AHBS_SLV_RSA, /**< RSA (Crypto Bus) */
IX_PARITYENACC_AHBS_SLV_PBC, /**< PCI Bus Controller */
IX_PARITYENACC_AHBS_SLV_EBC, /**< Expansion Bus Controller */
IX_PARITYENACC_AHBS_SLV_USBH /**< USB Host Controller */
} IxParityENAccAHBErrorSlave;
/**
* @ingroup IxParityENAcc
*
* @struct IxParityENAccAHBErrorTransaction
*
* @brief The Master and Slave on the AHB bus interface whose transaction might
* have resulted in the parity error notification to XScale.
*
* NOTE: This information may be used in the data abort exception handler
* to differentiate between the XScale and non-XScale access to the SDRAM
* memory.
*/
typedef struct /**< IxParityENAccAHBErrorTransaction */
{
IxParityENAccAHBErrorMaster ahbErrorMaster; /**< Master on AHB bus */
IxParityENAccAHBErrorSlave ahbErrorSlave; /**< Slave on AHB bus */
} IxParityENAccAHBErrorTransaction;
/**
* @ingroup IxParityENAcc
*
* @struct IxParityENAccParityErrorContextMessage
*
* @brief Parity Error Context Message
*/
typedef struct /**< IxParityENAccParityErrorContextMessage */
{
IxParityENAccParityErrorSource pecParitySource; /**< Source info of parity error */
IxParityENAccParityErrorAccess pecAccessType; /**< Read or Write Access
Read - NPE, SWCP, AQM, DDR MCU,
Exp Bus Ctrlr (Outbound)
Write - DDR MCU,
Exp Bus Ctrlr (Inbound
i.e., External Master) */
IxParityENAccParityErrorAddress pecAddress; /**< Address faulty location
Valid only for AQM, DDR MCU,
Exp Bus Ctrlr */
IxParityENAccParityErrorData pecData; /**< Data read from the faulty location
Valid only for AQM and DDR MCU
For DDR MCU it is the bit location
of the Single-bit parity */
IxParityENAccParityErrorRequester pecRequester; /**< Requester of SDRAM memory access
Valid only for the DDR MCU */
IxParityENAccAHBErrorTransaction ahbErrorTran; /**< Master and Slave information on the
last AHB Error Transaction */
} IxParityENAccParityErrorContextMessage;
/**
* @ingroup IxParityENAcc
*
* @typedef IxParityENAccCallback
*
* @brief This prototype shows the format of a callback function.
*
* The callback will be used to notify the parity error to the client application.
* The callback will be registered by @ref ixParityENAccCallbackRegister.
*
* It will be called from an ISR when a parity error is detected and thus
* needs to follow the interrupt callable function conventions.
*
*/
typedef void (*IxParityENAccCallback) (void);
/*
* Prototypes for interface functions.
*/
/**
* @ingroup IxParityENAcc
*
* @fn IxParityENAccStatus ixParityENAccInit(void)
*
* @brief This function will initialise the IxParityENAcc component.
*
* This function will initialise the IxParityENAcc component. It should only be
* called once, prior to using the IxParityENAcc component.
*
* - It initialises the internal data structures, registers the ISR that
* will be triggered when a parity error occurs in IXP4xx silicon.
*
* @li Re-entrant : No
* @li ISR Callable : No
*
* @return @li IX_PARITYENACC_SUCCESS - Initialization is successful
* @li IX_PARITYENACC_ALREADY_INITIALISED - The access layer has already
* been initialized
* @li IX_PARITYENACC_OPERATION_FAILED - The request failed because the
* operation didn't succeed on the hardware. Refer to error trace/log
* for details.
*/
PUBLIC IxParityENAccStatus ixParityENAccInit(void);
/**
* @ingroup IxParityENAcc
*
* @fn IxParityENAccStatus ixParityENAccCallbackRegister (
IxParityENAccCallback parityErrNfyCallBack)
*
* @brief This function will register a new callback with IxParityENAcc component.
* It can also reregister a new callback replacing the old callback.
*
* @param parityErrNfyCallBack [in] - This parameter will specify the call-back
* function supplied by the client application.
*
* This interface registers the user application supplied call-back handler with
* the parity error handling access component after the init.
*
* The callback function will be called from an ISR that will be triggered by the
* parity error in the IXP400 silicon.
*
* The following actions will be performed by this function:
* - Check for the prior initialisation of the module before registering or
* re-registering of the callback.
* Check for parity error detection disabled before re-registration of the callback.
*
*
* @li Re-entrant : No
* @li ISR Callable : No
*
* @return @li IX_PARITYENACC_SUCCESS - The parameters check passed and the
* registration is successful.
* @li IX_PARITYENACC_INVALID_PARAMETERS - Request failed due to NULL
* parameter passed.
* @li IX_PARITYENACC_OPERATION_FAILED - The request failed because the
* parity error detection not yet disabled.
* @li IX_PARITYENACC_NOT_INITIALISED - The operation requested prior to
* the initialisation of the access layer.
*/
PUBLIC IxParityENAccStatus ixParityENAccCallbackRegister (
IxParityENAccCallback parityErrNfyCallBack);
/**
* @ingroup IxParityENAcc
*
* @fn IxParityENAccStatus ixParityENAccParityDetectionConfigure (
const IxParityENAccHWParityConfig *hwParityConfig)
*
* @brief This interface allows the client application to enable the parity
* error detection on the underlying hardware block.
*
* @param hwParityConfig [in] - Hardware blocks for which the parity error
* detection is to be enabled or disabled.
*
* The client application allocates and provides the reference to the buffer.
*
* It will also verify whether the specific hardware block is functional or not.
*
* NOTE: Failure in enabling or disabling of one or more components result in
* trace message but still returns IX_PARITYENACC_SUCCESS. Refer to the function
* @ref ixParityENAccParityDetectionQuery on how to verify the failures while
* enabling/disabling paritys error detection.
*
* It shall be invoked after the Init and CallbackRegister functions but before
* any other function of the IxParityENAcc layer.
*
* @li Re-entrant : No
* @li ISR Callable : No
*
* @return @li IX_PARITYENACC_SUCCESS - The parameters check passed and the
* request to enable/disable is successful.
* @li IX_PARITYENACC_INVALID_PARAMETERS-The request failed due to
* NULL parameter supplied.
* @li IX_PARITYENACC_OPERATION_FAILED - The request failed because the
* operation didn't succeed on the hardware.
* @li IX_PARITYENACC_NOT_INITIALISED - The operation requested prior to
* the initialisation of the access layer.
*/
PUBLIC IxParityENAccStatus ixParityENAccParityDetectionConfigure (
const IxParityENAccHWParityConfig *hwParityConfig);
/**
* @ingroup IxParityENAcc
*
* @fn IxParityENAccStatus ixParityENAccParityDetectionQuery (
IxParityENAccHWParityConfig * const hwParityConfig)
*
* @brief This interface allows the client application to determine the
* status of the parity error detection on the specified hardware blocks
*
* @param hwParityConfig [out] - Hardware blocks whose parity error detection
* has been enabled or disabled.
*
* The client application allocates and provides the reference to the buffer.
*
* This interface can be used immediately after the interface @ref
* ixParityENAccParityDetectionConfigure to see on which of the hardware blocks
* the parity error detection has either been enabled or disabled based on the
* client application request.
*
* @li Re-entrant : No
* @li ISR Callable : No
*
* @return @li IX_PARITYENACC_SUCCESS - The parameters check passed and the
* request to query on whether the hardware parity error detection
* is enabled or disabled is successful.
* @li IX_PARITYENACC_INVALID_PARAMETERS-The request failed due to
* NULL parameter or invalid values supplied.
* @li IX_PARITYENACC_NOT_INITIALISED - The operation requested prior
* to the initialisation of the access layer.
*/
PUBLIC IxParityENAccStatus ixParityENAccParityDetectionQuery(
IxParityENAccHWParityConfig * const hwParityConfig);
/**
* @ingroup IxParityENAcc
*
* @fn IxParityENAccStatus ixParityENAccParityErrorContextGet(
IxParityENAccParityErrorContextMessage * const pecMessage)
*
* @brief This interface allows the client application to determine the
* status of the parity error context on hardware block for which the
* current parity error interrupt triggered.
*
* @param pecMessage [out] - The parity error context information of the
* parity interrupt currently being process.
*
* The client application allocates and provides the reference to the buffer.
*
* Refer to the data structure @ref IxParityENAccParityErrorContextMessage
* for details.
*
* The routine will will fetch the parity error context in the following
* priority, if multiple parity errors observed.
*
*
* 0 - MCU (Multi-bit and single-bit in that order)
* 1 - NPE-A
* 2 - NPE-B
* 3 - NPE-C
* 4 - SWCP
* 5 - QM
* 6 - EXP
*
* NOTE: The information provided in the @ref IxParityENAccAHBErrorTransaction
* may be of help for the client application to decide on the course of action
* to take. This info is taken from the Performance Monitoring Unit register
* which records most recent error observed on the AHB bus. This information
* might have been overwritten by some other error by the time it is retrieved.
*
*
* @li Re-entrant : No
* @li ISR Callable : Yes
*
* @return @li IX_PARITYENACC_SUCCESS-The parameters check passed and the
* request to get the parity error context information is successful.
* @li IX_PARITYENACC_INVALID_PARAMETERS-The request failed due to
* NULL parameter is passed
* @li IX_PARITYENACC_OPERATION_FAILED - The request failed because
* the operation didn't succeed on the hardware.
* @li IX_PARITYENACC_NOT_INITIALISED - The operation requested prior
* to the initialisation of the access layer.
* @li IX_PARITYENACC_NO_PARITY - No parity condition exits or has
* already been cleared
*/
PUBLIC IxParityENAccStatus ixParityENAccParityErrorContextGet(
IxParityENAccParityErrorContextMessage * const pecMessage);
/**
* @ingroup IxParityENAcc
*
* @fn IxParityENAccStatus ixParityENAccParityErrorInterruptClear (
const IxParityENAccParityErrorContextMessage *pecMessage)
*
* @brief This interface helps the client application to clear off the
* interrupt condition on the hardware block identified in the parity
* error context message. Please refer to the table below as the operation
* varies depending on the interrupt source.
*
* @param pecMessage [in] - The parity error context information of the
* hardware block whose parity error interrupt condition is to disabled.
*
* The client application allocates and provides the reference to the buffer.
*
*
* ****************************************************************************
* Following actions will be taken during the interrupt clear for respective
* hardware blocks.
*
* Parity Source Actions taken during Interrupt clear
* ------------- -------------------------------------------------------
* NPE-A Interrupt will be masked off at the interrupt controller
* so that it will not trigger continuously.
* Client application has to take appropriate action and
* re-configure the parity error detection subsequently.
* The client application will not be notified of further
* interrupts, until the re-configuration is done using
* @ref ixParityENAccParityDetectionConfigure.
*
* NPE-B Interrupt will be masked off at the interrupt controller
* so that it will not trigger continuously.
* Client application has to take appropriate action and
* re-configure the parity error detection subsequently.
* The client application will not be notified of further
* interrupts, until the re-configuration is done using
* @ref ixParityENAccParityDetectionConfigure.
*
* NPE-C Interrupt will be masked off at the interrupt controller
* Client application has to take appropriate action and
* re-configure the parity error detection subsequently.
* The client application will not be notified of further
* interrupts, until the re-configuration is done using
* @ref ixParityENAccParityDetectionConfigure.
*
* SWCP Interrupt will be masked off at the interrupt controller.
* Client application has to take appropriate action and
* re-configure the parity error detection subsequently.
* The client application will not be notified of further
* interrupts, until the re-configuration is done using
* @ref ixParityENAccParityDetectionConfigure.
*
* AQM Interrupt will be masked off at the interrupt controller.
* Client application has to take appropriate action and
* re-configure the parity error detection subsequently.
* The client application will not be notified of further
* interrupts, until the re-configuration is done using
* @ref ixParityENAccParityDetectionConfigure.
*
* MCU Parity interrupt condition is cleared at the SDRAM MCU for
* the following:
* 1. Single-bit
* 2. Multi-bit
* 3. Overflow condition i.e., more than two parity conditions
* occurred
* Note that single-parity errors do not result in data abort
* and not all data aborts caused by multi-bit parity error.
*
* EXP Parity interrupt condition is cleared at the expansion bus
* controller for the following:
* 1. External master initiated Inbound write
* 2. Internal master (IXP400) initiated Outbound read
* ****************************************************************************
*
* @li Re-entrant : No
* @li ISR Callable : No
*
* @return @li IX_PARITYENACC_SUCCESS-The parameters check passed and the request
* to clear the parity error interrupt condition is successful.
* @li IX_PARITYENACC_INVALID_PARAMETERS-The request failed due to
* NULL parameters have been passed or contents have been
* supplied with invalid values.
* @li IX_PARITYENACC_OPERATION_FAILED - The request failed because
* the operation didn't succeed on the hardware.
* @li IX_PARITYENACC_NOT_INITIALISED - The operation requested prior
* to the initialisation of the access layer.
*/
PUBLIC IxParityENAccStatus ixParityENAccParityErrorInterruptClear (
const IxParityENAccParityErrorContextMessage *pecMessage);
/**
* @ingroup IxParityENAcc
*
* @fn IxParityENAccStatus ixParityENAccStatsGet (
IxParityENAccParityErrorStats * const ixParityErrorStats)
*
* @brief This interface allows the client application to retrieve parity
* error statistics for all the hardware blocks
*
* @param ixParityErrorStats - [out] The statistics for all the hardware blocks.
*
* The client application allocates and provides the reference to the buffer.
*
* @li Re-entrant : No
* @li ISR Callable : Yes
*
* @return @li IX_PARITYENACC_SUCCESS-The parameters check passed and the
* request to retrieve parity error statistics for the hardware
* block is successful.
* @li IX_PARITYENACC_INVALID_PARAMETERS-The request failed due to a
* NULL parameter passed.
* @li IX_PARITYENACC_NOT_INITIALISED - The operation requested prior
* to the initialisation of the access layer.
*/
PUBLIC IxParityENAccStatus ixParityENAccStatsGet (
IxParityENAccParityErrorStats * const ixParityErrorStats);
/**
* @ingroup IxParityENAcc
*
* @fn IxParityENAccStatus ixParityENAccStatsShow (void)
*
* @brief This interface allows the client application to print all the
* parity error statistics.
*
* @li Re-entrant : No
* @li ISR Callable : No
*
* @return @li IX_PARITYENACC_SUCCESS - The request to show the pairty
* error statistics is successful.
* @li IX_PARITYENACC_NOT_INITIALISED - The operation requested
* prior to the initialisation of the access layer.
*/
PUBLIC IxParityENAccStatus ixParityENAccStatsShow (void);
/**
* @ingroup IxParityENAcc
*
* @fn IxParityENAccStatus ixParityENAccStatsReset (void)
*
* @brief This interface allows the client application to reset all the
* parity error statistics.
*
* @li Re-entrant : No
* @li ISR Callable : No
*
* @return @li IX_PARITYENACC_SUCCESS - The request to reset the parity
* error statistics is successful.
* @li IX_PARITYENACC_NOT_INITIALISED - The operation requested
* prior to the initialisation of the access layer.
*/
PUBLIC IxParityENAccStatus ixParityENAccStatsReset (void);
#endif /* IXPARITYENACC_H */
#endif /* __ixp46X */
/**
* @} defgroup IxParityENAcc
*/