ixnpedl.c

UBOOT 源码

    {
        /*
         * Check whether NPE is present
         */
        if (IX_NPEDL_NPEID_NPEA == npeId)
        {
            /* Check whether NPE A is present */
            if (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_NPEA)==
                IX_FEATURE_CTRL_COMPONENT_DISABLED)
            {
                /* NPE A does not present */
                IX_NPEDL_WARNING_REPORT ("ixNpeDlNpeExecutionStop - Warning:NPEA does not present.\n");
                return IX_SUCCESS;
            }
        } /* end of if(IX_NPEDL_NPEID_NPEA) */
        else if (IX_NPEDL_NPEID_NPEB == npeId)
        {
            /* Check whether NPE B is present */
            if (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_NPEB)==
                IX_FEATURE_CTRL_COMPONENT_DISABLED)
            {
                /* NPE B does not present */
                IX_NPEDL_WARNING_REPORT ("ixNpeDlNpeExecutionStop - Warning:NPEB does not present.\n");
                return IX_SUCCESS;
            }
        } /* end of elseif(IX_NPEDL_NPEID_NPEB) */
        else if (IX_NPEDL_NPEID_NPEC == npeId)
        {
            /* Check whether NPE C is present */
            if (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_NPEC)==
                IX_FEATURE_CTRL_COMPONENT_DISABLED)
            {
                /* NPE C does not present */
                IX_NPEDL_WARNING_REPORT ("ixNpeDlNpeExecutionStop - Warning:NPEC does not present.\n");
                return IX_SUCCESS;
            }
        } /* end of elseif(IX_NPEDL_NPEID_NPEC) */
        else
        {
            /* Invalid NPE ID */
            IX_NPEDL_ERROR_REPORT ("ixNpeDlNpeExecutionStop - invalid Npe ID\n");
            status = IX_NPEDL_PARAM_ERR;
        } /* end of if-else(IX_NPEDL_NPEID_NPEC) */
    } /* end of if not IXP42X-AO Silicon */

    if (status == IX_SUCCESS)
    {
        /* call NpeMgr function to stop the NPE */
        status = ixNpeDlNpeMgrNpeStop (npeId);
    }

    IX_NPEDL_TRACE1 (IX_NPEDL_FN_ENTRY_EXIT,
                     "Exiting ixNpeDlNpeExecutionStop : status = %d\n",
                     status);

    if (IX_SUCCESS == status)
    {
        /* Indicate NPE has been stopped */
        ixNpeDlNpeStarted[npeId] = FALSE ;
    }

    return status;
}

/*
 * Function definition: ixNpeDlUnload
 */
PUBLIC IX_STATUS
ixNpeDlUnload (void)
{
    IX_STATUS status;

    IX_NPEDL_TRACE0 (IX_NPEDL_FN_ENTRY_EXIT,
                     "Entering ixNpeDlUnload\n");

    status = ixNpeDlNpeMgrUninit();

    IX_NPEDL_TRACE1 (IX_NPEDL_FN_ENTRY_EXIT,
                     "Exiting ixNpeDlUnload : status = %d\n",
                     status);
    return status;
}

/*
 * Function definition: ixNpeDlStatsShow
 */
PUBLIC void
ixNpeDlStatsShow (void)
{
    ixOsalLog (IX_OSAL_LOG_LVL_USER,
               IX_OSAL_LOG_DEV_STDOUT,
               "\nixNpeDlStatsShow:\n"
               "\tDownloads Attempted by user: %u\n"
               "\tSuccessful Downloads: %u\n"
               "\tFailed Downloads (due to Critical Error): %u\n\n",
               ixNpeDlStats.attemptedDownloads,
               ixNpeDlStats.successfulDownloads,
               ixNpeDlStats.criticalFailDownloads,
               0,0,0);

    ixNpeDlImageMgrStatsShow ();
    ixNpeDlNpeMgrStatsShow ();
}

/*
 * Function definition: ixNpeDlStatsReset
 */
PUBLIC void
ixNpeDlStatsReset (void)
{
    ixNpeDlStats.attemptedDownloads = 0;
    ixNpeDlStats.successfulDownloads = 0;
    ixNpeDlStats.criticalFailDownloads = 0;

    ixNpeDlImageMgrStatsReset ();
    ixNpeDlNpeMgrStatsReset ();
}

/*
 * Function definition: ixNpeDlNpeInitAndStartInternal
 */
PRIVATE IX_STATUS
ixNpeDlNpeInitAndStartInternal (UINT32 *imageLibrary,
                                UINT32 imageId)
{
    UINT32        imageSize;
    UINT32       *imageCodePtr  = NULL;
    IX_STATUS     status;
    IxNpeDlNpeId  npeId = IX_NPEDL_NPEID_FROM_IMAGEID_GET(imageId);
    IxFeatureCtrlDeviceId deviceId = IX_NPEDL_DEVICEID_FROM_IMAGEID_GET(imageId);

    IX_NPEDL_TRACE0 (IX_NPEDL_FN_ENTRY_EXIT,
                     "Entering ixNpeDlNpeInitAndStartInternal\n");

    ixNpeDlStats.attemptedDownloads++;

    /* Check input parameter device correctness */
    if ((deviceId >= IX_FEATURE_CTRL_DEVICE_TYPE_MAX) ||
        (deviceId < IX_FEATURE_CTRL_DEVICE_TYPE_IXP42X))
    {
        status = IX_NPEDL_PARAM_ERR;
        IX_NPEDL_ERROR_REPORT ("ixNpeDlNpeInitAndStartInternal - "
                               "invalid parameter\n");
    } /* End valid device id checking */

    /* Check input parameters */
    else if ((npeId >= IX_NPEDL_NPEID_MAX) || (npeId < 0))
    {
        status = IX_NPEDL_PARAM_ERR;
        IX_NPEDL_ERROR_REPORT ("ixNpeDlNpeInitAndStartInternal - "
                               "invalid parameter\n");
    }

    else
    {
        /* Ensure initialisation has been completed */
        ixNpeDlNpeMgrInit();

        /* Checking if image being loaded is meant for device that is running.
         * Image is forward compatible. i.e Image built for IXP42X should run
         * on IXP46X but not vice versa.*/
        if (deviceId > (ixFeatureCtrlDeviceRead() & IX_FEATURE_CTRL_DEVICE_TYPE_MASK))
        {
            IX_NPEDL_ERROR_REPORT ("ixNpeDlNpeInitAndStartInternal - "
                                   "Device type mismatch. NPE Image not "
                                   "meant for device in use \n");
            return IX_NPEDL_DEVICE_ERR;
        }/* if statement - matching image device and current device */

	/* If not IXP42X A0 stepping, proceed to check for existence of npe's */
	if ((IX_FEATURE_CTRL_SILICON_TYPE_A0 !=
	     (ixFeatureCtrlProductIdRead() & IX_FEATURE_CTRL_SILICON_STEPPING_MASK))
	    || (IX_FEATURE_CTRL_DEVICE_TYPE_IXP42X != ixFeatureCtrlDeviceRead ()))
        {
            if (npeId == IX_NPEDL_NPEID_NPEA)
            {
                if (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_NPEA) ==
                    IX_FEATURE_CTRL_COMPONENT_DISABLED)
                {
                    IX_NPEDL_WARNING_REPORT("Warning: the NPE A component you specified does"
                                            " not exist\n");
                    return IX_SUCCESS;
                }
            } /* end of if(npeId) */
            else if (npeId == IX_NPEDL_NPEID_NPEB)
            {
                if (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_NPEB)==
                    IX_FEATURE_CTRL_COMPONENT_DISABLED)
                {
                    IX_NPEDL_WARNING_REPORT("Warning: the NPE B component you specified"
                                            " does not exist\n");
                    return IX_SUCCESS;
                }
            } /* end of elseif(npeId) */
            else if (npeId == IX_NPEDL_NPEID_NPEC)
            {
                if (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_NPEC)==
                    IX_FEATURE_CTRL_COMPONENT_DISABLED)
                {
                    IX_NPEDL_WARNING_REPORT("Warning: the NPE C component you specified"
                                            " does not exist\n");
                    return IX_SUCCESS;
                }
            } /* end of elseif(npeId) */
        } /* end of if not IXP42X-A0 Silicon */

        /* stop and reset the NPE */
        status = ixNpeDlNpeStopAndReset (npeId);
        if (IX_SUCCESS != status)
        {
            IX_NPEDL_ERROR_REPORT ("Failed to stop and reset NPE\n");
            return status;
        }

        /* Locate image */
        status = ixNpeDlImageMgrImageFind (imageLibrary, imageId,
                                           &imageCodePtr, &imageSize);
        if (IX_SUCCESS == status)
        {
            /*
             * If download was successful, store image Id in list of
             * currently loaded images. If a critical error occured
             * during download, record that the NPE has an invalid image
             */
            status = ixNpeDlNpeMgrImageLoad (npeId, imageCodePtr, TRUE);
            if (IX_SUCCESS == status)
            {
                ixNpeDlNpeState[npeId].validImage = TRUE;
                ixNpeDlStats.successfulDownloads++;

                status = ixNpeDlNpeExecutionStart (npeId);
            }
            else if ((status == IX_NPEDL_CRITICAL_NPE_ERR) ||
                     (status == IX_NPEDL_CRITICAL_MICROCODE_ERR))
            {
                ixNpeDlNpeState[npeId].validImage = FALSE;
                ixNpeDlStats.criticalFailDownloads++;
            }

            /* NOTE - The following section of code is here to support
             * a deprecated function ixNpeDlLoadedImageGet().  When that
             * function is removed from the API, this code should be revised.
             */
            ixNpeDlNpeState[npeId].imageId.npeId = npeId;
            ixNpeDlNpeState[npeId].imageId.functionalityId =
                IX_NPEDL_FUNCTIONID_FROM_IMAGEID_GET(imageId);
            ixNpeDlNpeState[npeId].imageId.major =
                IX_NPEDL_MAJOR_FROM_IMAGEID_GET(imageId);
            ixNpeDlNpeState[npeId].imageId.minor =
                IX_NPEDL_MINOR_FROM_IMAGEID_GET(imageId);
        } /* end of if(IX_SUCCESS) */ /* condition: image located successfully in microcode image */
    } /* end of if-else(npeId-deviceId) */ /* condition: parameter checks ok */

    IX_NPEDL_TRACE1 (IX_NPEDL_FN_ENTRY_EXIT,
                     "Exiting ixNpeDlNpeInitAndStartInternal : "
                     "status = %d\n", status);
    return status;
}

/*
 * Function definition: ixNpeDlCustomImageNpeInitAndStart
 */
PUBLIC IX_STATUS
ixNpeDlCustomImageNpeInitAndStart (UINT32 *imageLibrary,
                                   UINT32 imageId)
{
    IX_STATUS status;

    if (imageLibrary == NULL)
    {
        status = IX_NPEDL_PARAM_ERR;
        IX_NPEDL_ERROR_REPORT ("ixNpeDlCustomImageNpeInitAndStart "
                               "- invalid parameter\n");
    }
    else
    {
        status = ixNpeDlNpeInitAndStartInternal (imageLibrary, imageId);
    } /* end of if-else(imageLibrary) */

    return status;
}

/*
 * Function definition: ixNpeDlNpeInitAndStart
 */
PUBLIC IX_STATUS
ixNpeDlNpeInitAndStart (UINT32 imageId)
{
    return ixNpeDlNpeInitAndStartInternal (NULL, imageId);
}

/*
 * Function definition: ixNpeDlLoadedImageFunctionalityGet
 */
PUBLIC IX_STATUS
ixNpeDlLoadedImageFunctionalityGet (IxNpeDlNpeId npeId,
                                    UINT8 *functionalityId)
{
    /* Check input parameters */
    if ((npeId >= IX_NPEDL_NPEID_MAX) || (npeId < 0))
    {
        IX_NPEDL_ERROR_REPORT ("ixNpeDlLoadedImageFunctionalityGet "
                               "- invalid parameter\n");
        return IX_NPEDL_PARAM_ERR;
    }
    if (functionalityId == NULL)
    {
        IX_NPEDL_ERROR_REPORT ("ixNpeDlLoadedImageFunctionalityGet "
                               "- invalid parameter\n");
        return IX_NPEDL_PARAM_ERR;
    }

    if (ixNpeDlNpeState[npeId].validImage)
    {
        *functionalityId = ixNpeDlNpeState[npeId].imageId.functionalityId;
        return IX_SUCCESS;
    }
    else
    {
        return IX_FAIL;
    }
}