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diff --git a/cpu/ixp/npe/IxNpeDlNpeMgr.c b/cpu/ixp/npe/IxNpeDlNpeMgr.c
new file mode 100644
index 0000000..f5a4c5f
--- /dev/null
+++ b/cpu/ixp/npe/IxNpeDlNpeMgr.c
@@ -0,0 +1,936 @@
+/**
+ * @file IxNpeDlNpeMgr.c
+ *
+ * @author Intel Corporation
+ * @date 09 January 2002
+ *
+ * @brief This file contains the implementation of the private API for the
+ * IXP425 NPE Downloader NpeMgr module
+ *
+ *
+ * @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 --
+*/
+
+
+/*
+ * Put the user defined include files required.
+ */
+
+
+/*
+ * Put the user defined include files required.
+ */
+#include "IxOsal.h"
+#include "IxNpeDl.h"
+#include "IxNpeDlNpeMgr_p.h"
+#include "IxNpeDlNpeMgrUtils_p.h"
+#include "IxNpeDlNpeMgrEcRegisters_p.h"
+#include "IxNpeDlMacros_p.h"
+#include "IxFeatureCtrl.h"
+
+/*
+ * #defines and macros used in this file.
+ */
+#define IX_NPEDL_BYTES_PER_WORD 4
+
+/* used to read download map from version in microcode image */
+#define IX_NPEDL_BLOCK_TYPE_INSTRUCTION 0x00000000
+#define IX_NPEDL_BLOCK_TYPE_DATA 0x00000001
+#define IX_NPEDL_BLOCK_TYPE_STATE 0x00000002
+#define IX_NPEDL_END_OF_DOWNLOAD_MAP 0x0000000F
+
+/*
+ * masks used to extract address info from State information context
+ * register addresses as read from microcode image
+ */
+#define IX_NPEDL_MASK_STATE_ADDR_CTXT_REG 0x0000000F
+#define IX_NPEDL_MASK_STATE_ADDR_CTXT_NUM 0x000000F0
+
+/* LSB offset of Context Number field in State-Info Context Address */
+#define IX_NPEDL_OFFSET_STATE_ADDR_CTXT_NUM 4
+
+/* size (in words) of single State Information entry (ctxt reg address|data) */
+#define IX_NPEDL_STATE_INFO_ENTRY_SIZE 2
+
+
+ #define IX_NPEDL_RESET_NPE_PARITY 0x0800
+ #define IX_NPEDL_PARITY_BIT_MASK 0x3F00FFFF
+ #define IX_NPEDL_CONFIG_CTRL_REG_MASK 0x3F3FFFFF
+
+
+/*
+ * Typedefs whose scope is limited to this file.
+ */
+
+typedef struct
+{
+ UINT32 type;
+ UINT32 offset;
+} IxNpeDlNpeMgrDownloadMapBlockEntry;
+
+typedef union
+{
+ IxNpeDlNpeMgrDownloadMapBlockEntry block;
+ UINT32 eodmMarker;
+} IxNpeDlNpeMgrDownloadMapEntry;
+
+typedef struct
+{
+ /* 1st entry in the download map (there may be more than one) */
+ IxNpeDlNpeMgrDownloadMapEntry entry[1];
+} IxNpeDlNpeMgrDownloadMap;
+
+
+/* used to access an instruction or data block in a microcode image */
+typedef struct
+{
+ UINT32 npeMemAddress;
+ UINT32 size;
+ UINT32 data[1];
+} IxNpeDlNpeMgrCodeBlock;
+
+/* used to access each Context Reg entry state-information block */
+typedef struct
+{
+ UINT32 addressInfo;
+ UINT32 value;
+} IxNpeDlNpeMgrStateInfoCtxtRegEntry;
+
+/* used to access a state-information block in a microcode image */
+typedef struct
+{
+ UINT32 size;
+ IxNpeDlNpeMgrStateInfoCtxtRegEntry ctxtRegEntry[1];
+} IxNpeDlNpeMgrStateInfoBlock;
+
+/* used to store some useful NPE information for easy access */
+typedef struct
+{
+ UINT32 baseAddress;
+ UINT32 insMemSize;
+ UINT32 dataMemSize;
+} IxNpeDlNpeInfo;
+
+/* used to distinguish instruction and data memory operations */
+typedef enum
+{
+ IX_NPEDL_MEM_TYPE_INSTRUCTION = 0,
+ IX_NPEDL_MEM_TYPE_DATA
+} IxNpeDlNpeMemType;
+
+/* used to hold a reset value for a particular ECS register */
+typedef struct
+{
+ UINT32 regAddr;
+ UINT32 regResetVal;
+} IxNpeDlEcsRegResetValue;
+
+/* prototype of function to write either Instruction or Data memory */
+typedef IX_STATUS (*IxNpeDlNpeMgrMemWrite) (UINT32 npeBaseAddress,
+ UINT32 npeMemAddress,
+ UINT32 npeMemData,
+ BOOL verify);
+
+/* module statistics counters */
+typedef struct
+{
+ UINT32 instructionBlocksLoaded;
+ UINT32 dataBlocksLoaded;
+ UINT32 stateInfoBlocksLoaded;
+ UINT32 criticalNpeErrors;
+ UINT32 criticalMicrocodeErrors;
+ UINT32 npeStarts;
+ UINT32 npeStops;
+ UINT32 npeResets;
+} IxNpeDlNpeMgrStats;
+
+
+/*
+ * Variable declarations global to this file only. Externs are followed by
+ * static variables.
+ */
+static IxNpeDlNpeInfo ixNpeDlNpeInfo[] =
+{
+ {
+ 0,
+ IX_NPEDL_INS_MEMSIZE_WORDS_NPEA,
+ IX_NPEDL_DATA_MEMSIZE_WORDS_NPEA
+ },
+ {
+ 0,
+ IX_NPEDL_INS_MEMSIZE_WORDS_NPEB,
+ IX_NPEDL_DATA_MEMSIZE_WORDS_NPEB
+ },
+ {
+ 0,
+ IX_NPEDL_INS_MEMSIZE_WORDS_NPEC,
+ IX_NPEDL_DATA_MEMSIZE_WORDS_NPEC
+ }
+};
+
+/* contains Reset values for Context Store Registers */
+static UINT32 ixNpeDlCtxtRegResetValues[] =
+{
+ IX_NPEDL_CTXT_REG_RESET_STEVT,
+ IX_NPEDL_CTXT_REG_RESET_STARTPC,
+ IX_NPEDL_CTXT_REG_RESET_REGMAP,
+ IX_NPEDL_CTXT_REG_RESET_CINDEX,
+};
+
+/* contains Reset values for Context Store Registers */
+static IxNpeDlEcsRegResetValue ixNpeDlEcsRegResetValues[] =
+{
+ {IX_NPEDL_ECS_BG_CTXT_REG_0, IX_NPEDL_ECS_BG_CTXT_REG_0_RESET},
+ {IX_NPEDL_ECS_BG_CTXT_REG_1, IX_NPEDL_ECS_BG_CTXT_REG_1_RESET},
+ {IX_NPEDL_ECS_BG_CTXT_REG_2, IX_NPEDL_ECS_BG_CTXT_REG_2_RESET},
+ {IX_NPEDL_ECS_PRI_1_CTXT_REG_0, IX_NPEDL_ECS_PRI_1_CTXT_REG_0_RESET},
+ {IX_NPEDL_ECS_PRI_1_CTXT_REG_1, IX_NPEDL_ECS_PRI_1_CTXT_REG_1_RESET},
+ {IX_NPEDL_ECS_PRI_1_CTXT_REG_2, IX_NPEDL_ECS_PRI_1_CTXT_REG_2_RESET},
+ {IX_NPEDL_ECS_PRI_2_CTXT_REG_0, IX_NPEDL_ECS_PRI_2_CTXT_REG_0_RESET},
+ {IX_NPEDL_ECS_PRI_2_CTXT_REG_1, IX_NPEDL_ECS_PRI_2_CTXT_REG_1_RESET},
+ {IX_NPEDL_ECS_PRI_2_CTXT_REG_2, IX_NPEDL_ECS_PRI_2_CTXT_REG_2_RESET},
+ {IX_NPEDL_ECS_DBG_CTXT_REG_0, IX_NPEDL_ECS_DBG_CTXT_REG_0_RESET},
+ {IX_NPEDL_ECS_DBG_CTXT_REG_1, IX_NPEDL_ECS_DBG_CTXT_REG_1_RESET},
+ {IX_NPEDL_ECS_DBG_CTXT_REG_2, IX_NPEDL_ECS_DBG_CTXT_REG_2_RESET},
+ {IX_NPEDL_ECS_INSTRUCT_REG, IX_NPEDL_ECS_INSTRUCT_REG_RESET}
+};
+
+static IxNpeDlNpeMgrStats ixNpeDlNpeMgrStats;
+
+/* Set when NPE register memory has been mapped */
+static BOOL ixNpeDlMemInitialised = FALSE;
+
+
+/*
+ * static function prototypes.
+ */
+PRIVATE IX_STATUS
+ixNpeDlNpeMgrMemLoad (IxNpeDlNpeId npeId, UINT32 npeBaseAddress,
+ IxNpeDlNpeMgrCodeBlock *codeBlockPtr,
+ BOOL verify, IxNpeDlNpeMemType npeMemType);
+PRIVATE IX_STATUS
+ixNpeDlNpeMgrStateInfoLoad (UINT32 npeBaseAddress,
+ IxNpeDlNpeMgrStateInfoBlock *codeBlockPtr,
+ BOOL verify);
+PRIVATE BOOL
+ixNpeDlNpeMgrBitsSetCheck (UINT32 npeBaseAddress, UINT32 regOffset,
+ UINT32 expectedBitsSet);
+
+PRIVATE UINT32
+ixNpeDlNpeMgrBaseAddressGet (IxNpeDlNpeId npeId);
+
+/*
+ * Function definition: ixNpeDlNpeMgrBaseAddressGet
+ */
+PRIVATE UINT32
+ixNpeDlNpeMgrBaseAddressGet (IxNpeDlNpeId npeId)
+{
+ IX_OSAL_ASSERT (ixNpeDlMemInitialised);
+ return ixNpeDlNpeInfo[npeId].baseAddress;
+}
+
+
+/*
+ * Function definition: ixNpeDlNpeMgrInit
+ */
+void
+ixNpeDlNpeMgrInit (void)
+{
+ /* Only map the memory once */
+ if (!ixNpeDlMemInitialised)
+ {
+ UINT32 virtAddr;
+
+ /* map the register memory for NPE-A */
+ virtAddr = (UINT32) IX_OSAL_MEM_MAP (IX_NPEDL_NPEBASEADDRESS_NPEA,
+ IX_OSAL_IXP400_NPEA_MAP_SIZE);
+ IX_OSAL_ASSERT(virtAddr);
+ ixNpeDlNpeInfo[IX_NPEDL_NPEID_NPEA].baseAddress = virtAddr;
+
+ /* map the register memory for NPE-B */
+ virtAddr = (UINT32) IX_OSAL_MEM_MAP (IX_NPEDL_NPEBASEADDRESS_NPEB,
+ IX_OSAL_IXP400_NPEB_MAP_SIZE);
+ IX_OSAL_ASSERT(virtAddr);
+ ixNpeDlNpeInfo[IX_NPEDL_NPEID_NPEB].baseAddress = virtAddr;
+
+ /* map the register memory for NPE-C */
+ virtAddr = (UINT32) IX_OSAL_MEM_MAP (IX_NPEDL_NPEBASEADDRESS_NPEC,
+ IX_OSAL_IXP400_NPEC_MAP_SIZE);
+ IX_OSAL_ASSERT(virtAddr);
+ ixNpeDlNpeInfo[IX_NPEDL_NPEID_NPEC].baseAddress = virtAddr;
+
+ ixNpeDlMemInitialised = TRUE;
+ }
+}
+
+
+/*
+ * Function definition: ixNpeDlNpeMgrUninit
+ */
+IX_STATUS
+ixNpeDlNpeMgrUninit (void)
+{
+ if (!ixNpeDlMemInitialised)
+ {
+ return IX_FAIL;
+ }
+
+ IX_OSAL_MEM_UNMAP (ixNpeDlNpeInfo[IX_NPEDL_NPEID_NPEA].baseAddress);
+ IX_OSAL_MEM_UNMAP (ixNpeDlNpeInfo[IX_NPEDL_NPEID_NPEB].baseAddress);
+ IX_OSAL_MEM_UNMAP (ixNpeDlNpeInfo[IX_NPEDL_NPEID_NPEC].baseAddress);
+
+ ixNpeDlNpeInfo[IX_NPEDL_NPEID_NPEA].baseAddress = 0;
+ ixNpeDlNpeInfo[IX_NPEDL_NPEID_NPEB].baseAddress = 0;
+ ixNpeDlNpeInfo[IX_NPEDL_NPEID_NPEC].baseAddress = 0;
+
+ ixNpeDlMemInitialised = FALSE;
+
+ return IX_SUCCESS;
+}
+
+/*
+ * Function definition: ixNpeDlNpeMgrImageLoad
+ */
+IX_STATUS
+ixNpeDlNpeMgrImageLoad (
+ IxNpeDlNpeId npeId,
+ UINT32 *imageCodePtr,
+ BOOL verify)
+{
+ UINT32 npeBaseAddress;
+ IxNpeDlNpeMgrDownloadMap *downloadMap;
+ UINT32 *blockPtr;
+ UINT32 mapIndex = 0;
+ IX_STATUS status = IX_SUCCESS;
+
+ IX_NPEDL_TRACE0 (IX_NPEDL_FN_ENTRY_EXIT,
+ "Entering ixNpeDlNpeMgrImageLoad\n");
+
+ /* get base memory address of NPE from npeId */
+ npeBaseAddress = ixNpeDlNpeMgrBaseAddressGet (npeId);
+
+ /* check execution status of NPE to verify NPE Stop was successful */
+ if (!ixNpeDlNpeMgrBitsSetCheck (npeBaseAddress, IX_NPEDL_REG_OFFSET_EXCTL,
+ IX_NPEDL_EXCTL_STATUS_STOP))
+ {
+ IX_NPEDL_ERROR_REPORT ("ixNpeDlNpeMgrImageDownload - "
+ "NPE was not stopped before download\n");
+ status = IX_FAIL;
+ }
+ else
+ {
+ /*
+ * Read Download Map, checking each block type and calling
+ * appropriate function to perform download
+ */
+ downloadMap = (IxNpeDlNpeMgrDownloadMap *) imageCodePtr;
+ while ((downloadMap->entry[mapIndex].eodmMarker !=
+ IX_NPEDL_END_OF_DOWNLOAD_MAP)
+ && (status == IX_SUCCESS))
+ {
+ /* calculate pointer to block to be downloaded */
+ blockPtr = imageCodePtr +
+ downloadMap->entry[mapIndex].block.offset;
+
+ switch (downloadMap->entry[mapIndex].block.type)
+ {
+ case IX_NPEDL_BLOCK_TYPE_INSTRUCTION:
+ status = ixNpeDlNpeMgrMemLoad (npeId, npeBaseAddress,
+ (IxNpeDlNpeMgrCodeBlock *)blockPtr,
+ verify,
+ IX_NPEDL_MEM_TYPE_INSTRUCTION);
+ break;
+ case IX_NPEDL_BLOCK_TYPE_DATA:
+ status = ixNpeDlNpeMgrMemLoad (npeId, npeBaseAddress,
+ (IxNpeDlNpeMgrCodeBlock *)blockPtr,
+ verify, IX_NPEDL_MEM_TYPE_DATA);
+ break;
+ case IX_NPEDL_BLOCK_TYPE_STATE:
+ status = ixNpeDlNpeMgrStateInfoLoad (npeBaseAddress,
+ (IxNpeDlNpeMgrStateInfoBlock *) blockPtr,
+ verify);
+ break;
+ default:
+ IX_NPEDL_ERROR_REPORT ("ixNpeDlNpeMgrImageLoad: "
+ "unknown block type in download map\n");
+ status = IX_NPEDL_CRITICAL_MICROCODE_ERR;
+ ixNpeDlNpeMgrStats.criticalMicrocodeErrors++;
+ break;
+ }
+ mapIndex++;
+ }/* loop: for each entry in download map, while status == SUCCESS */
+ }/* condition: NPE stopped before attempting download */
+
+ IX_NPEDL_TRACE1 (IX_NPEDL_FN_ENTRY_EXIT,
+ "Exiting ixNpeDlNpeMgrImageLoad : status = %d\n",
+ status);
+ return status;
+}
+
+
+/*
+ * Function definition: ixNpeDlNpeMgrMemLoad
+ */
+PRIVATE IX_STATUS
+ixNpeDlNpeMgrMemLoad (
+ IxNpeDlNpeId npeId,
+ UINT32 npeBaseAddress,
+ IxNpeDlNpeMgrCodeBlock *blockPtr,
+ BOOL verify,
+ IxNpeDlNpeMemType npeMemType)
+{
+ UINT32 npeMemAddress;
+ UINT32 blockSize;
+ UINT32 memSize = 0;
+ IxNpeDlNpeMgrMemWrite memWriteFunc = NULL;
+ UINT32 localIndex = 0;
+ IX_STATUS status = IX_SUCCESS;
+
+ IX_NPEDL_TRACE0 (IX_NPEDL_FN_ENTRY_EXIT,
+ "Entering ixNpeDlNpeMgrMemLoad\n");
+
+ /*
+ * select NPE EXCTL reg read/write commands depending on memory
+ * type (instruction/data) to be accessed
+ */
+ if (npeMemType == IX_NPEDL_MEM_TYPE_INSTRUCTION)
+ {
+ memSize = ixNpeDlNpeInfo[npeId].insMemSize;
+ memWriteFunc = (IxNpeDlNpeMgrMemWrite) ixNpeDlNpeMgrInsMemWrite;
+ }
+ else if (npeMemType == IX_NPEDL_MEM_TYPE_DATA)
+ {
+ memSize = ixNpeDlNpeInfo[npeId].dataMemSize;
+ memWriteFunc = (IxNpeDlNpeMgrMemWrite) ixNpeDlNpeMgrDataMemWrite;
+ }
+
+ /*
+ * NPE memory is loaded contiguously from each block, so only address
+ * of 1st word in block is needed
+ */
+ npeMemAddress = blockPtr->npeMemAddress;
+ /* number of words of instruction/data microcode in block to download */
+ blockSize = blockPtr->size;
+ if ((npeMemAddress + blockSize) > memSize)
+ {
+ IX_NPEDL_ERROR_REPORT ("ixNpeDlNpeMgrMemLoad: "
+ "Block size too big for NPE memory\n");
+ status = IX_NPEDL_CRITICAL_MICROCODE_ERR;
+ ixNpeDlNpeMgrStats.criticalMicrocodeErrors++;
+ }
+ else
+ {
+ for (localIndex = 0; localIndex < blockSize; localIndex++)
+ {
+ status = memWriteFunc (npeBaseAddress, npeMemAddress,
+ blockPtr->data[localIndex], verify);
+
+ if (status != IX_SUCCESS)
+ {
+ IX_NPEDL_ERROR_REPORT ("ixNpeDlNpeMgrMemLoad: "
+ "write to NPE memory failed\n");
+ status = IX_NPEDL_CRITICAL_NPE_ERR;
+ ixNpeDlNpeMgrStats.criticalNpeErrors++;
+ break; /* abort download */
+ }
+ /* increment target (word)address in NPE memory */
+ npeMemAddress++;
+ }
+ }/* condition: block size will fit in NPE memory */
+
+ if (status == IX_SUCCESS)
+ {
+ if (npeMemType == IX_NPEDL_MEM_TYPE_INSTRUCTION)
+ {
+ ixNpeDlNpeMgrStats.instructionBlocksLoaded++;
+ }
+ else if (npeMemType == IX_NPEDL_MEM_TYPE_DATA)
+ {
+ ixNpeDlNpeMgrStats.dataBlocksLoaded++;
+ }
+ }
+
+ IX_NPEDL_TRACE1 (IX_NPEDL_FN_ENTRY_EXIT,
+ "Exiting ixNpeDlNpeMgrMemLoad : status = %d\n", status);
+ return status;
+}
+
+
+/*
+ * Function definition: ixNpeDlNpeMgrStateInfoLoad
+ */
+PRIVATE IX_STATUS
+ixNpeDlNpeMgrStateInfoLoad (
+ UINT32 npeBaseAddress,
+ IxNpeDlNpeMgrStateInfoBlock *blockPtr,
+ BOOL verify)
+{
+ UINT32 blockSize;
+ UINT32 ctxtRegAddrInfo;
+ UINT32 ctxtRegVal;
+ IxNpeDlCtxtRegNum ctxtReg; /* identifies Context Store reg (0-3) */
+ UINT32 ctxtNum; /* identifies Context number (0-16) */
+ UINT32 i;
+ IX_STATUS status = IX_SUCCESS;
+
+ IX_NPEDL_TRACE0 (IX_NPEDL_FN_ENTRY_EXIT,
+ "Entering ixNpeDlNpeMgrStateInfoLoad\n");
+
+ /* block size contains number of words of state-info in block */
+ blockSize = blockPtr->size;
+
+ ixNpeDlNpeMgrDebugInstructionPreExec (npeBaseAddress);
+
+ /* for each state-info context register entry in block */
+ for (i = 0; i < (blockSize/IX_NPEDL_STATE_INFO_ENTRY_SIZE); i++)
+ {
+ /* each state-info entry is 2 words (address, value) in length */
+ ctxtRegAddrInfo = (blockPtr->ctxtRegEntry[i]).addressInfo;
+ ctxtRegVal = (blockPtr->ctxtRegEntry[i]).value;
+
+ ctxtReg = (ctxtRegAddrInfo & IX_NPEDL_MASK_STATE_ADDR_CTXT_REG);
+ ctxtNum = (ctxtRegAddrInfo & IX_NPEDL_MASK_STATE_ADDR_CTXT_NUM) >>
+ IX_NPEDL_OFFSET_STATE_ADDR_CTXT_NUM;
+
+ /* error-check Context Register No. and Context Number values */
+ /* NOTE that there is no STEVT register for Context 0 */
+ if ((ctxtReg < 0) ||
+ (ctxtReg >= IX_NPEDL_CTXT_REG_MAX) ||
+ (ctxtNum > IX_NPEDL_CTXT_NUM_MAX) ||
+ ((ctxtNum == 0) && (ctxtReg == IX_NPEDL_CTXT_REG_STEVT)))
+ {
+ IX_NPEDL_ERROR_REPORT ("ixNpeDlNpeMgrStateInfoLoad: "
+ "invalid Context Register Address\n");
+ status = IX_NPEDL_CRITICAL_MICROCODE_ERR;
+ ixNpeDlNpeMgrStats.criticalMicrocodeErrors++;
+ break; /* abort download */
+ }
+
+ status = ixNpeDlNpeMgrCtxtRegWrite (npeBaseAddress, ctxtNum, ctxtReg,
+ ctxtRegVal, verify);
+ if (status != IX_SUCCESS)
+ {
+ IX_NPEDL_ERROR_REPORT ("ixNpeDlNpeMgrStateInfoLoad: "
+ "write of state-info to NPE failed\n");
+ status = IX_NPEDL_CRITICAL_NPE_ERR;
+ ixNpeDlNpeMgrStats.criticalNpeErrors++;
+ break; /* abort download */
+ }
+ }/* loop: for each context reg entry in State Info block */
+
+ ixNpeDlNpeMgrDebugInstructionPostExec (npeBaseAddress);
+
+ if (status == IX_SUCCESS)
+ {
+ ixNpeDlNpeMgrStats.stateInfoBlocksLoaded++;
+ }
+
+ IX_NPEDL_TRACE1 (IX_NPEDL_FN_ENTRY_EXIT,
+ "Exiting ixNpeDlNpeMgrStateInfoLoad : status = %d\n",
+ status);
+ return status;
+}
+
+
+/*
+ * Function definition: ixNpeDlNpeMgrNpeReset
+ */
+IX_STATUS
+ixNpeDlNpeMgrNpeReset (
+ IxNpeDlNpeId npeId)
+{
+ UINT32 npeBaseAddress;
+ IxNpeDlCtxtRegNum ctxtReg; /* identifies Context Store reg (0-3) */
+ UINT32 ctxtNum; /* identifies Context number (0-16) */
+ UINT32 regAddr;
+ UINT32 regVal;
+ UINT32 localIndex;
+ UINT32 indexMax;
+ IX_STATUS status = IX_SUCCESS;
+ IxFeatureCtrlReg unitFuseReg;
+ UINT32 ixNpeConfigCtrlRegVal;
+
+ IX_NPEDL_TRACE0 (IX_NPEDL_FN_ENTRY_EXIT,
+ "Entering ixNpeDlNpeMgrNpeReset\n");
+
+ /* get base memory address of NPE from npeId */
+ npeBaseAddress = ixNpeDlNpeMgrBaseAddressGet (npeId);
+
+ /* pre-store the NPE Config Control Register Value */
+ IX_NPEDL_REG_READ (npeBaseAddress, IX_NPEDL_REG_OFFSET_CTL, &ixNpeConfigCtrlRegVal);
+
+ ixNpeConfigCtrlRegVal |= 0x3F000000;
+
+ /* disable the parity interrupt */
+ IX_NPEDL_REG_WRITE (npeBaseAddress, IX_NPEDL_REG_OFFSET_CTL, (ixNpeConfigCtrlRegVal & IX_NPEDL_PARITY_BIT_MASK));
+
+ ixNpeDlNpeMgrDebugInstructionPreExec (npeBaseAddress);
+
+ /*
+ * clear the FIFOs
+ */
+ while (ixNpeDlNpeMgrBitsSetCheck (npeBaseAddress,
+ IX_NPEDL_REG_OFFSET_WFIFO,
+ IX_NPEDL_MASK_WFIFO_VALID))
+ {
+ /* read from the Watch-point FIFO until empty */
+ IX_NPEDL_REG_READ (npeBaseAddress, IX_NPEDL_REG_OFFSET_WFIFO,
+ &regVal);
+ }
+
+ while (ixNpeDlNpeMgrBitsSetCheck (npeBaseAddress,
+ IX_NPEDL_REG_OFFSET_STAT,
+ IX_NPEDL_MASK_STAT_OFNE))
+ {
+ /* read from the outFIFO until empty */
+ IX_NPEDL_REG_READ (npeBaseAddress, IX_NPEDL_REG_OFFSET_FIFO,
+ &regVal);
+ }
+
+ while (ixNpeDlNpeMgrBitsSetCheck (npeBaseAddress,
+ IX_NPEDL_REG_OFFSET_STAT,
+ IX_NPEDL_MASK_STAT_IFNE))
+ {
+ /*
+ * step execution of the NPE intruction to read inFIFO using
+ * the Debug Executing Context stack
+ */
+ status = ixNpeDlNpeMgrDebugInstructionExec (npeBaseAddress,
+ IX_NPEDL_INSTR_RD_FIFO, 0, 0);
+
+ if (IX_SUCCESS != status)
+ {
+ return status;
+ }
+
+ }
+
+ /*
+ * Reset the mailbox reg
+ */
+ /* ...from XScale side */
+ IX_NPEDL_REG_WRITE (npeBaseAddress, IX_NPEDL_REG_OFFSET_MBST,
+ IX_NPEDL_REG_RESET_MBST);
+ /* ...from NPE side */
+ status = ixNpeDlNpeMgrDebugInstructionExec (npeBaseAddress,
+ IX_NPEDL_INSTR_RESET_MBOX, 0, 0);
+
+ if (IX_SUCCESS != status)
+ {
+ return status;
+ }
+
+ /*
+ * Reset the physical registers in the NPE register file:
+ * Note: no need to save/restore REGMAP for Context 0 here
+ * since all Context Store regs are reset in subsequent code
+ */
+ for (regAddr = 0;
+ (regAddr < IX_NPEDL_TOTAL_NUM_PHYS_REG) && (status != IX_FAIL);
+ regAddr++)
+ {
+ /* for each physical register in the NPE reg file, write 0 : */
+ status = ixNpeDlNpeMgrPhysicalRegWrite (npeBaseAddress, regAddr,
+ 0, TRUE);
+ if (status != IX_SUCCESS)
+ {
+ return status; /* abort reset */
+ }
+ }
+
+
+ /*
+ * Reset the context store:
+ */
+ for (ctxtNum = IX_NPEDL_CTXT_NUM_MIN;
+ ctxtNum <= IX_NPEDL_CTXT_NUM_MAX; ctxtNum++)
+ {
+ /* set each context's Context Store registers to reset values: */
+ for (ctxtReg = 0; ctxtReg < IX_NPEDL_CTXT_REG_MAX; ctxtReg++)
+ {
+ /* NOTE that there is no STEVT register for Context 0 */
+ if (!((ctxtNum == 0) && (ctxtReg == IX_NPEDL_CTXT_REG_STEVT)))
+ {
+ regVal = ixNpeDlCtxtRegResetValues[ctxtReg];
+ status = ixNpeDlNpeMgrCtxtRegWrite (npeBaseAddress, ctxtNum,
+ ctxtReg, regVal, TRUE);
+ if (status != IX_SUCCESS)
+ {
+ return status; /* abort reset */
+ }
+ }
+ }
+ }
+
+ ixNpeDlNpeMgrDebugInstructionPostExec (npeBaseAddress);
+
+ /* write Reset values to Execution Context Stack registers */
+ indexMax = sizeof (ixNpeDlEcsRegResetValues) /
+ sizeof (IxNpeDlEcsRegResetValue);
+ for (localIndex = 0; localIndex < indexMax; localIndex++)
+ {
+ regAddr = ixNpeDlEcsRegResetValues[localIndex].regAddr;
+ regVal = ixNpeDlEcsRegResetValues[localIndex].regResetVal;
+ ixNpeDlNpeMgrExecAccRegWrite (npeBaseAddress, regAddr, regVal);
+ }
+
+ /* clear the profile counter */
+ ixNpeDlNpeMgrCommandIssue (npeBaseAddress,
+ IX_NPEDL_EXCTL_CMD_CLR_PROFILE_CNT);
+
+ /* clear registers EXCT, AP0, AP1, AP2 and AP3 */
+ for (regAddr = IX_NPEDL_REG_OFFSET_EXCT;
+ regAddr <= IX_NPEDL_REG_OFFSET_AP3;
+ regAddr += IX_NPEDL_BYTES_PER_WORD)
+ {
+ IX_NPEDL_REG_WRITE (npeBaseAddress, regAddr, 0);
+ }
+
+ /* Reset the Watch-count register */
+ IX_NPEDL_REG_WRITE (npeBaseAddress, IX_NPEDL_REG_OFFSET_WC, 0);
+
+ /*
+ * WR IXA00055043 - Remove IMEM Parity Introduced by NPE Reset Operation
+ */
+
+ /*
+ * Call the feature control API to fused out and reset the NPE and its
+ * coprocessor - to reset internal states and remove parity error
+ */
+ unitFuseReg = ixFeatureCtrlRead ();
+ unitFuseReg |= (IX_NPEDL_RESET_NPE_PARITY << npeId);
+ ixFeatureCtrlWrite (unitFuseReg);
+
+ /* call the feature control API to un-fused and un-reset the NPE & COP */
+ unitFuseReg &= (~(IX_NPEDL_RESET_NPE_PARITY << npeId));
+ ixFeatureCtrlWrite (unitFuseReg);
+
+ /*
+ * Call NpeMgr function to stop the NPE again after the Feature Control
+ * has unfused and Un-Reset the NPE and its associated Coprocessors
+ */
+ status = ixNpeDlNpeMgrNpeStop (npeId);
+
+ /* restore NPE configuration bus Control Register - Parity Settings */
+ IX_NPEDL_REG_WRITE (npeBaseAddress, IX_NPEDL_REG_OFFSET_CTL,
+ (ixNpeConfigCtrlRegVal & IX_NPEDL_CONFIG_CTRL_REG_MASK));
+
+ ixNpeDlNpeMgrStats.npeResets++;
+
+ IX_NPEDL_TRACE1 (IX_NPEDL_FN_ENTRY_EXIT,
+ "Exiting ixNpeDlNpeMgrNpeReset : status = %d\n", status);
+ return status;
+}
+
+
+/*
+ * Function definition: ixNpeDlNpeMgrNpeStart
+ */
+IX_STATUS
+ixNpeDlNpeMgrNpeStart (
+ IxNpeDlNpeId npeId)
+{
+ UINT32 npeBaseAddress;
+ UINT32 ecsRegVal;
+ BOOL npeRunning;
+ IX_STATUS status = IX_SUCCESS;
+
+ IX_NPEDL_TRACE0 (IX_NPEDL_FN_ENTRY_EXIT,
+ "Entering ixNpeDlNpeMgrNpeStart\n");
+
+ /* get base memory address of NPE from npeId */
+ npeBaseAddress = ixNpeDlNpeMgrBaseAddressGet (npeId);
+
+ /*
+ * ensure only Background Context Stack Level is Active by turning off
+ * the Active bit in each of the other Executing Context Stack levels
+ */
+ ecsRegVal = ixNpeDlNpeMgrExecAccRegRead (npeBaseAddress,
+ IX_NPEDL_ECS_PRI_1_CTXT_REG_0);
+ ecsRegVal &= ~IX_NPEDL_MASK_ECS_REG_0_ACTIVE;
+ ixNpeDlNpeMgrExecAccRegWrite (npeBaseAddress, IX_NPEDL_ECS_PRI_1_CTXT_REG_0,
+ ecsRegVal);
+
+ ecsRegVal = ixNpeDlNpeMgrExecAccRegRead (npeBaseAddress,
+ IX_NPEDL_ECS_PRI_2_CTXT_REG_0);
+ ecsRegVal &= ~IX_NPEDL_MASK_ECS_REG_0_ACTIVE;
+ ixNpeDlNpeMgrExecAccRegWrite (npeBaseAddress, IX_NPEDL_ECS_PRI_2_CTXT_REG_0,
+ ecsRegVal);
+
+ ecsRegVal = ixNpeDlNpeMgrExecAccRegRead (npeBaseAddress,
+ IX_NPEDL_ECS_DBG_CTXT_REG_0);
+ ecsRegVal &= ~IX_NPEDL_MASK_ECS_REG_0_ACTIVE;
+ ixNpeDlNpeMgrExecAccRegWrite (npeBaseAddress, IX_NPEDL_ECS_DBG_CTXT_REG_0,
+ ecsRegVal);
+
+ /* clear the pipeline */
+ ixNpeDlNpeMgrCommandIssue (npeBaseAddress, IX_NPEDL_EXCTL_CMD_NPE_CLR_PIPE);
+
+ /* start NPE execution by issuing command through EXCTL register on NPE */
+ ixNpeDlNpeMgrCommandIssue (npeBaseAddress, IX_NPEDL_EXCTL_CMD_NPE_START);
+
+ /*
+ * check execution status of NPE to verify NPE Start operation was
+ * successful
+ */
+ npeRunning = ixNpeDlNpeMgrBitsSetCheck (npeBaseAddress,
+ IX_NPEDL_REG_OFFSET_EXCTL,
+ IX_NPEDL_EXCTL_STATUS_RUN);
+ if (npeRunning)
+ {
+ ixNpeDlNpeMgrStats.npeStarts++;
+ }
+ else
+ {
+ IX_NPEDL_ERROR_REPORT ("ixNpeDlNpeMgrNpeStart: "
+ "failed to start NPE execution\n");
+ status = IX_FAIL;
+ }
+
+
+ IX_NPEDL_TRACE1 (IX_NPEDL_FN_ENTRY_EXIT,
+ "Exiting ixNpeDlNpeMgrNpeStart : status = %d\n", status);
+ return status;
+}
+
+
+/*
+ * Function definition: ixNpeDlNpeMgrNpeStop
+ */
+IX_STATUS
+ixNpeDlNpeMgrNpeStop (
+ IxNpeDlNpeId npeId)
+{
+ UINT32 npeBaseAddress;
+ IX_STATUS status = IX_SUCCESS;
+
+ IX_NPEDL_TRACE0 (IX_NPEDL_FN_ENTRY_EXIT,
+ "Entering ixNpeDlNpeMgrNpeStop\n");
+
+ /* get base memory address of NPE from npeId */
+ npeBaseAddress = ixNpeDlNpeMgrBaseAddressGet (npeId);
+
+ /* stop NPE execution by issuing command through EXCTL register on NPE */
+ ixNpeDlNpeMgrCommandIssue (npeBaseAddress, IX_NPEDL_EXCTL_CMD_NPE_STOP);
+
+ /* verify that NPE Stop was successful */
+ if (! ixNpeDlNpeMgrBitsSetCheck (npeBaseAddress, IX_NPEDL_REG_OFFSET_EXCTL,
+ IX_NPEDL_EXCTL_STATUS_STOP))
+ {
+ IX_NPEDL_ERROR_REPORT ("ixNpeDlNpeMgrNpeStop: "
+ "failed to stop NPE execution\n");
+ status = IX_FAIL;
+ }
+
+ ixNpeDlNpeMgrStats.npeStops++;
+
+ IX_NPEDL_TRACE1 (IX_NPEDL_FN_ENTRY_EXIT,
+ "Exiting ixNpeDlNpeMgrNpeStop : status = %d\n", status);
+ return status;
+}
+
+
+/*
+ * Function definition: ixNpeDlNpeMgrBitsSetCheck
+ */
+PRIVATE BOOL
+ixNpeDlNpeMgrBitsSetCheck (
+ UINT32 npeBaseAddress,
+ UINT32 regOffset,
+ UINT32 expectedBitsSet)
+{
+ UINT32 regVal;
+ IX_NPEDL_REG_READ (npeBaseAddress, regOffset, &regVal);
+
+ return expectedBitsSet == (expectedBitsSet & regVal);
+}
+
+
+/*
+ * Function definition: ixNpeDlNpeMgrStatsShow
+ */
+void
+ixNpeDlNpeMgrStatsShow (void)
+{
+ ixOsalLog (IX_OSAL_LOG_LVL_USER,
+ IX_OSAL_LOG_DEV_STDOUT,
+ "\nixNpeDlNpeMgrStatsShow:\n"
+ "\tInstruction Blocks loaded: %u\n"
+ "\tData Blocks loaded: %u\n"
+ "\tState Information Blocks loaded: %u\n"
+ "\tCritical NPE errors: %u\n"
+ "\tCritical Microcode errors: %u\n",
+ ixNpeDlNpeMgrStats.instructionBlocksLoaded,
+ ixNpeDlNpeMgrStats.dataBlocksLoaded,
+ ixNpeDlNpeMgrStats.stateInfoBlocksLoaded,
+ ixNpeDlNpeMgrStats.criticalNpeErrors,
+ ixNpeDlNpeMgrStats.criticalMicrocodeErrors,
+ 0);
+
+ ixOsalLog (IX_OSAL_LOG_LVL_USER,
+ IX_OSAL_LOG_DEV_STDOUT,
+ "\tSuccessful NPE Starts: %u\n"
+ "\tSuccessful NPE Stops: %u\n"
+ "\tSuccessful NPE Resets: %u\n\n",
+ ixNpeDlNpeMgrStats.npeStarts,
+ ixNpeDlNpeMgrStats.npeStops,
+ ixNpeDlNpeMgrStats.npeResets,
+ 0,0,0);
+
+ ixNpeDlNpeMgrUtilsStatsShow ();
+}
+
+
+/*
+ * Function definition: ixNpeDlNpeMgrStatsReset
+ */
+void
+ixNpeDlNpeMgrStatsReset (void)
+{
+ ixNpeDlNpeMgrStats.instructionBlocksLoaded = 0;
+ ixNpeDlNpeMgrStats.dataBlocksLoaded = 0;
+ ixNpeDlNpeMgrStats.stateInfoBlocksLoaded = 0;
+ ixNpeDlNpeMgrStats.criticalNpeErrors = 0;
+ ixNpeDlNpeMgrStats.criticalMicrocodeErrors = 0;
+ ixNpeDlNpeMgrStats.npeStarts = 0;
+ ixNpeDlNpeMgrStats.npeStops = 0;
+ ixNpeDlNpeMgrStats.npeResets = 0;
+
+ ixNpeDlNpeMgrUtilsStatsReset ();
+}