ixnpedl.h

u-boot 源代码

 * @brief  Map old terminology that uses term "buildId" to new term
 *        "functionalityId"
 *
 * @warning <b>THIS #define HAS BEEN DEPRECATED AND SHOULD NOT BE USED.</b>
 *       It will be removed in a future release.
 *       See @ref ixNpeDlNpeInitAndStart for more information.
 */
#define IxNpeDlBuildId IxNpeDlFunctionalityId

/**
 * @def buildId
 *
 * @brief  Map old terminology that uses term "buildId" to new term
 *        "functionalityId"
 *
 * @warning <b>THIS #define HAS BEEN DEPRECATED AND SHOULD NOT BE USED.</b>
 *       It will be removed in a future release.
 *       See @ref ixNpeDlNpeInitAndStart for more information.
 */
#define buildId functionalityId

/**
 * @def IX_NPEDL_MicrocodeImage
 *
 * @brief  Map old terminology that uses term "image" to new term
 *        "image library"
 *
 * @warning <b>THIS #define HAS BEEN DEPRECATED AND SHOULD NOT BE USED.</b>
 *       It will be removed in a future release.
 *       See @ref ixNpeDlNpeInitAndStart for more information.
 */
#define IX_NPEDL_MicrocodeImage IX_NPEDL_MicrocodeImageLibrary

/*
 * Typedefs
 */

/**
 * @typedef IxNpeDlFunctionalityId
 * @brief Used to make up Functionality ID field of Image Id
 *
 * @warning <b>THIS typedef HAS BEEN DEPRECATED AND SHOULD NOT BE USED.</b>
 *       It will be removed in a future release.
 *       See @ref ixNpeDlNpeInitAndStart for more information.
 */
typedef UINT8 IxNpeDlFunctionalityId;

/**
 * @typedef IxNpeDlMajor
 * @brief Used to make up Major Release field of Image Id
 *
 * @warning <b>THIS typedef HAS BEEN DEPRECATED AND SHOULD NOT BE USED.</b>
 *       It will be removed in a future release.
 *       See @ref ixNpeDlNpeInitAndStart for more information.
 */
typedef UINT8 IxNpeDlMajor;

/**
 * @typedef IxNpeDlMinor
 * @brief Used to make up Minor Revision field of Image Id
 *
 * @warning <b>THIS typedef HAS BEEN DEPRECATED AND SHOULD NOT BE USED.</b>
 *       It will be removed in a future release.
 *       See @ref ixNpeDlNpeInitAndStart for more information.
 */
typedef UINT8 IxNpeDlMinor;

/*
 * Enums
 */

/**
 * @brief NpeId numbers to identify NPE A, B or C
 * @note In this context, for IXP425 Silicon (B0):<br>
 *      - NPE-A has HDLC, HSS, AAL and UTOPIA Coprocessors.<br>
 *      - NPE-B has Ethernet Coprocessor.<br>
 *      - NPE-C has Ethernet, AES, DES and HASH Coprocessors.<br>
 *      - IXP400 Product Line have different combinations of coprocessors.
 */
typedef enum
{
  IX_NPEDL_NPEID_NPEA = 0,    /**< Identifies NPE A */
  IX_NPEDL_NPEID_NPEB,        /**< Identifies NPE B */
  IX_NPEDL_NPEID_NPEC,        /**< Identifies NPE C */
  IX_NPEDL_NPEID_MAX          /**< Total Number of NPEs */
} IxNpeDlNpeId;

/*
 * Structs
 */

/**
 * @brief Image Id to identify each image contained in an image library
 *
 * @warning <b>THIS struct HAS BEEN DEPRECATED AND SHOULD NOT BE USED.</b>
 *       It will be removed in a future release.
 *       See @ref ixNpeDlNpeInitAndStart for more information.
 */
typedef struct
{
    IxNpeDlNpeId   npeId;   /**< NPE ID */
    IxNpeDlFunctionalityId functionalityId; /**< Build ID indicates functionality of image */
    IxNpeDlMajor   major;   /**< Major Release Number */
    IxNpeDlMinor   minor;   /**< Minor Revision Number */
} IxNpeDlImageId;

/*
 * Prototypes for interface functions
 */

/**
 * @ingroup IxNpeDl
 *
 * @fn PUBLIC IX_STATUS ixNpeDlNpeInitAndStart (UINT32 imageId)
 *
 * @brief Stop, reset, download microcode (firmware) and finally start NPE.
 *
 * @param imageId UINT32 [in] - Id of the microcode image to download.
 *
 * This function locates the image specified by the <i>imageId</i> parameter
 * from the default microcode image library which is included internally by
 * this component.
 * It then stops and resets the NPE, loads the firmware image onto the NPE,
 * and then restarts the NPE.
 *
 * @note A list of valid image IDs is included in this header file.
 *       See #defines with prefix IX_NPEDL_NPEIMAGE_...
 *
 * @note This function, along with @ref ixNpeDlCustomImageNpeInitAndStart
 *       and @ref ixNpeDlLoadedImageFunctionalityGet, supercedes the following
 *       functions which are deprecated and will be removed completely in a
 *       future release:
 *       - @ref ixNpeDlImageDownload
 *       - @ref ixNpeDlAvailableImagesCountGet
 *       - @ref ixNpeDlAvailableImagesListGet
 *       - @ref ixNpeDlLatestImageGet
 *       - @ref ixNpeDlLoadedImageGet
 *       - @ref ixNpeDlMicrocodeImageLibraryOverride
 *       - @ref ixNpeDlNpeExecutionStop
 *       - @ref ixNpeDlNpeStopAndReset
 *       - @ref ixNpeDlNpeExecutionStart
 *
 * @pre
 *         - The Client is responsible for ensuring mutual access to the NPE.
 * @post
 *         - The NPE Instruction Pipeline will be cleared if State Information
 *           has been downloaded.
 *         - If the download fails with a critical error, the NPE may
 *           be left in an ususable state.
 * @return
 *         - IX_SUCCESS if the download was successful;
 *         - IX_NPEDL_PARAM_ERR if a parameter error occured
 *         - IX_NPEDL_CRITICAL_NPE_ERR if a critical NPE error occured during
 *           download
 *         - IX_NPEDL_CRITICAL_MICROCODE_ERR if a critical microcode error
 *           occured during download
 *         - IX_NPEDL_DEVICE_ERR if the image being loaded is not meant for 
 *           the device currently running.
 *         - IX_FAIL if NPE is not available or image is failed to be located.
 *           A warning is issued if the NPE is not present.
 */
PUBLIC IX_STATUS
ixNpeDlNpeInitAndStart (UINT32 npeImageId);

/**
 * @ingroup IxNpeDl
 *
 * @fn PUBLIC IX_STATUS ixNpeDlCustomImageNpeInitAndStart (UINT32 *imageLibrary,
                                                           UINT32 imageId)
 *
 * @brief Stop, reset, download microcode (firmware) and finally start NPE
 *
 * @param imageId UINT32 [in] - Id of the microcode image to download.
 *
 * This function locates the image specified by the <i>imageId</i> parameter
 * from the specified microcode image library which is pointed to by the
 * <i>imageLibrary</i> parameter.
 * It then stops and resets the NPE, loads the firmware image onto the NPE,
 * and then restarts the NPE.
 *
 * This is a facility for users who wish to use an image from an external
 * library of NPE firmware images.  To use a standard image from the
 * built-in library, see @ref ixNpeDlNpeInitAndStart instead.
 *
 * @note A list of valid image IDs is included in this header file.
 *       See #defines with prefix IX_NPEDL_NPEIMAGE_...
 *
 * @note This function, along with @ref ixNpeDlNpeInitAndStart
 *       and @ref ixNpeDlLoadedImageFunctionalityGet, supercedes the following
 *       functions which are deprecated and will be removed completely in a
 *       future release:
 *       - @ref ixNpeDlImageDownload
 *       - @ref ixNpeDlAvailableImagesCountGet
 *       - @ref ixNpeDlAvailableImagesListGet
 *       - @ref ixNpeDlLatestImageGet
 *       - @ref ixNpeDlLoadedImageGet
 *       - @ref ixNpeDlMicrocodeImageLibraryOverride
 *       - @ref ixNpeDlNpeExecutionStop
 *       - @ref ixNpeDlNpeStopAndReset
 *       - @ref ixNpeDlNpeExecutionStart
 *
 * @pre
 *         - The Client is responsible for ensuring mutual access to the NPE.
 *         - The image library supplied must be in the correct format for use
 *           by the NPE Downloader (IxNpeDl) component.  Details of the library
 *           format are contained in the Functional Specification document for
 *           IxNpeDl.
 * @post
 *         - The NPE Instruction Pipeline will be cleared if State Information
 *           has been downloaded.
 *         - If the download fails with a critical error, the NPE may
 *           be left in an ususable state.
 * @return
 *         - IX_SUCCESS if the download was successful;
 *         - IX_NPEDL_PARAM_ERR if a parameter error occured
 *         - IX_NPEDL_CRITICAL_NPE_ERR if a critical NPE error occured during
 *           download
 *         - IX_NPEDL_CRITICAL_MICROCODE_ERR if a critical microcode error
 *           occured during download
 *         - IX_NPEDL_DEVICE_ERR if the image being loaded is not meant for 
 *           the device currently running.
 *         - IX_FAIL if NPE is not available or image is failed to be located.
 *           A warning is issued if the NPE is not present.
 */
PUBLIC IX_STATUS
ixNpeDlCustomImageNpeInitAndStart (UINT32 *imageLibrary,
                    UINT32 npeImageId);


/**
 * @ingroup IxNpeDl
 *
 * @fn PUBLIC IX_STATUS ixNpeDlLoadedImageFunctionalityGet (IxNpeDlNpeId npeId,
                                                        UINT8 *functionalityId)
 *
 * @brief Gets the functionality of the image last loaded on a particular NPE
 *
 * @param npeId  @ref IxNpeDlNpeId [in]      - Id of the target NPE.
 * @param functionalityId UINT8* [out] - the functionality ID of the image
 *                                       last loaded on the NPE.
 *
 * This function retrieves the functionality ID of the image most recently
 * downloaded successfully to the specified NPE.  If the NPE does not contain
 * a valid image, this function returns a FAIL status.
 *
 * @warning This function is not intended for general use, as a knowledge of
 * how to interpret the functionality ID is required.  As such, this function
 * should only be used by other Access Layer components of the IXP400 Software
 * Release.
 *
 * @pre
 *
 * @post
 *
 * @return
 *     -  IX_SUCCESS if the operation was successful
 *     -  IX_NPEDL_PARAM_ERR if a parameter error occured
 *     -  IX_FAIL if the NPE does not have a valid image loaded
 */
PUBLIC IX_STATUS
ixNpeDlLoadedImageFunctionalityGet (IxNpeDlNpeId npeId,
                                    UINT8 *functionalityId);


/**
 * @ingroup IxNpeDl
 *
 * @fn IX_STATUS ixNpeDlMicrocodeImageLibraryOverride (UINT32 *clientImageLibrary)
 *
 * @brief This instructs NPE Downloader to use client-supplied microcode image library.
 *
 * @param clientImageLibrary UINT32* [in]  - Pointer to the client-supplied
 *                                   NPE microcode image library
 *
 * This function sets NPE Downloader to use a client-supplied microcode image library
 * instead of the standard image library which is included by the NPE Downloader.
 * <b>This function is provided mainly for increased testability and should not
 * be used in normal circumstances.</b> When not used, NPE Downloader will use
 * a "built-in" image library, local to this component, which should always contain the
 * latest microcode for the NPEs.
 *
 * @warning <b>THIS FUNCTION HAS BEEN DEPRECATED AND SHOULD NOT BE USED.</b>
 *       It will be removed in a future release.
 *       See @ref ixNpeDlCustomImageNpeInitAndStart.
 *
 * @pre
 *      - <i>clientImageLibrary</i> should point to a microcode image library valid for use
 *        by the NPE Downloader component.
 *
 * @post
 *      - the client-supplied image library will be used for all subsequent operations
 *        performed by the NPE Downloader
 *
 * @return
 *      - IX_SUCCESS if the operation was successful
 *      - IX_NPEDL_PARAM_ERR if a parameter error occured
 *      - IX_FAIL if the client-supplied image library did not contain a valid signature
 */
PUBLIC IX_STATUS
ixNpeDlMicrocodeImageLibraryOverride (UINT32 *clientImageLibrary);

/**
 * @ingroup IxNpeDl
 *
 * @fn PUBLIC IX_STATUS ixNpeDlImageDownload (IxNpeDlImageId *imageIdPtr,
                                                BOOL verify)
 *
 * @brief Stop, reset, download microcode and finally start NPE.
 *
 * @param imageIdPtr @ref IxNpeDlImageId* [in] - Pointer to Id of the microcode
 *                                              image to download.
 * @param verify BOOL [in]     - ON/OFF option to verify the download. If ON
 *                               (verify == TRUE), the Downloader will read back
 *                               each word written to the NPE registers to
 *                               ensure the download operation was successful.
 *
 * Using the <i>imageIdPtr</i>, this function locates a particular image of
 * microcode in the microcode image library in memory, and downloads the microcode
 * to a particular NPE.
 *
 * @warning <b>THIS FUNCTION HAS BEEN DEPRECATED AND SHOULD NOT BE USED.</b>
 *       It will be removed in a future release.
 *       See @ref ixNpeDlNpeInitAndStart and @ref ixNpeDlCustomImageNpeInitAndStart.
 *
 * @pre
 *         - The Client is responsible for ensuring mutual access to the NPE.
 *       - The Client should use ixNpeDlLatestImageGet() to obtain the latest