summaryrefslogtreecommitdiff
path: root/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/ECC/mfecc.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/ECC/mfecc.c')
-rw-r--r--src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/ECC/mfecc.c316
1 files changed, 316 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/ECC/mfecc.c b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/ECC/mfecc.c
new file mode 100644
index 0000000000..8161bdd294
--- /dev/null
+++ b/src/vendorcode/amd/agesa/f15tn/Proc/Mem/Feat/ECC/mfecc.c
@@ -0,0 +1,316 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * mfecc.c
+ *
+ * Feature ECC initialization functions
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: AGESA
+ * @e sub-project: (Mem/Feat/ECC)
+ * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $
+ *
+ **/
+/*****************************************************************************
+ *
+ * Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved.
+ *
+ * AMD is granting you permission to use this software (the Materials)
+ * pursuant to the terms and conditions of your Software License Agreement
+ * with AMD. This header does *NOT* give you permission to use the Materials
+ * or any rights under AMD's intellectual property. Your use of any portion
+ * of these Materials shall constitute your acceptance of those terms and
+ * conditions. If you do not agree to the terms and conditions of the Software
+ * License Agreement, please do not use any portion of these Materials.
+ *
+ * CONFIDENTIALITY: The Materials and all other information, identified as
+ * confidential and provided to you by AMD shall be kept confidential in
+ * accordance with the terms and conditions of the Software License Agreement.
+ *
+ * LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION
+ * PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
+ * MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE,
+ * OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE.
+ * IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER
+ * (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS
+ * INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE,
+ * GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER
+ * RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE
+ * EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES,
+ * THE ABOVE LIMITATION MAY NOT APPLY TO YOU.
+ *
+ * AMD does not assume any responsibility for any errors which may appear in
+ * the Materials or any other related information provided to you by AMD, or
+ * result from use of the Materials or any related information.
+ *
+ * You agree that you will not reverse engineer or decompile the Materials.
+ *
+ * NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any
+ * further information, software, technical information, know-how, or show-how
+ * available to you. Additionally, AMD retains the right to modify the
+ * Materials at any time, without notice, and is not obligated to provide such
+ * modified Materials to you.
+ *
+ * U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with
+ * "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is
+ * subject to the restrictions as set forth in FAR 52.227-14 and
+ * DFAR252.227-7013, et seq., or its successor. Use of the Materials by the
+ * Government constitutes acknowledgement of AMD's proprietary rights in them.
+ *
+ * EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any
+ * direct product thereof will be exported directly or indirectly, into any
+ * country prohibited by the United States Export Administration Act and the
+ * regulations thereunder, without the required authorization from the U.S.
+ * government nor will be used for any purpose prohibited by the same.
+ * ***************************************************************************
+ *
+ */
+
+#include "AGESA.h"
+#include "amdlib.h"
+#include "Ids.h"
+#include "mm.h"
+#include "mn.h"
+#include "mfecc.h"
+#include "Filecode.h"
+#include "mfmemclr.h"
+#include "GeneralServices.h"
+CODE_GROUP (G2_PEI)
+RDATA_GROUP (G2_PEI)
+
+#define FILECODE PROC_MEM_FEAT_ECC_MFECC_FILECODE
+/*----------------------------------------------------------------------------
+ * DEFINITIONS AND MACROS
+ *
+ *----------------------------------------------------------------------------
+ */
+
+/*----------------------------------------------------------------------------
+ * TYPEDEFS AND STRUCTURES
+ *
+ *----------------------------------------------------------------------------
+ */
+
+/*----------------------------------------------------------------------------
+ * PROTOTYPES OF LOCAL FUNCTIONS
+ *
+ *----------------------------------------------------------------------------
+ */
+
+VOID
+STATIC
+InitECCOverriedeStruct (
+ IN OUT MEM_NB_BLOCK *NBPtr,
+ IN OUT ECC_OVERRIDE_STRUCT *pecc_override_struct
+ );
+
+BOOLEAN
+MemFCheckECC (
+ IN OUT MEM_NB_BLOCK *NBPtr
+ );
+
+/*
+ *-----------------------------------------------------------------------------
+ * EXPORTED FUNCTIONS
+ *
+ *-----------------------------------------------------------------------------
+ */
+
+extern BUILD_OPT_CFG UserOptions;
+
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ *
+ * This function checks to see if ECC can be enabled on all nodes
+ *
+ * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
+ *
+ * @return TRUE - This feature is enabled.
+ * @return FALSE - This feature is not enabled.
+ */
+
+BOOLEAN
+MemFCheckECC (
+ IN OUT MEM_NB_BLOCK *NBPtr
+ )
+{
+ DIE_STRUCT *MCTPtr;
+ MEM_SHARED_DATA *SharedPtr;
+ BOOLEAN ErrorRecovery;
+
+ ASSERT (NBPtr != NULL);
+
+ MCTPtr = NBPtr->MCTPtr;
+ SharedPtr = NBPtr->SharedPtr;
+
+ ErrorRecovery = TRUE;
+ IDS_OPTION_HOOK (IDS_MEM_ERROR_RECOVERY, &ErrorRecovery, &NBPtr->MemPtr->StdHeader);
+
+ if (MCTPtr->NodeMemSize != 0) {
+ if (SharedPtr->AllECC && MCTPtr->Status[SbEccDimms] && (ErrorRecovery || (MCTPtr->ErrCode < AGESA_ERROR))) {
+ // Clear all MCA reports before using scrubber
+ // to initialize ECC check bits
+ //
+ NBPtr->McaNbCtlReg = NBPtr->GetBitField (NBPtr, BFMcaNbCtlReg);
+ NBPtr->SetBitField (NBPtr, BFMcaNbCtlReg, 0);
+ NBPtr->SetBitField (NBPtr, BFSyncOnUcEccEn, 0);
+ // In unganged mode, set DctDctIntlv
+ if (!NBPtr->Ganged) {
+ NBPtr->SetBitField (NBPtr, BFDctDatIntLv, 1);
+ }
+ //
+ // Set Ecc Symbol Size
+ //
+ NBPtr->SetEccSymbolSize (NBPtr);
+ // If ECC can be enabled on this node,
+ // set the master ECCen bit (according to setup)
+ //
+ NBPtr->SetBitField (NBPtr, BFDramEccEn, 1);
+ // Do mem clear on current node
+ MemFMctMemClr_Init (NBPtr);
+ return TRUE;
+ } else {
+ if (SharedPtr->AllECC) {
+ SharedPtr->AllECC = FALSE;
+ }
+ // ECC requested but cannot be enabled
+ MCTPtr->Status[SbEccDimms] = FALSE;
+ MCTPtr->ErrStatus[EsbDramECCDis] = TRUE;
+ PutEventLog (AGESA_WARNING, MEM_WARNING_ECC_DIS, NBPtr->Node, 0, 0, 0, &NBPtr->MemPtr->StdHeader);
+ SetMemError (AGESA_WARNING, MCTPtr);
+ }
+ }
+ return FALSE;
+}
+
+ /* -----------------------------------------------------------------------------*/
+/**
+ *
+ *
+ * This function initializes the ECC on all nodes
+ *
+ * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
+ *
+ * @return TRUE - This feature is enabled.
+ * @return FALSE - This feature is not enabled.
+ */
+
+BOOLEAN
+MemFInitECC (
+ IN OUT MEM_NB_BLOCK *NBPtr
+ )
+{
+ UINT8 Node;
+ UINT32 ScrubAddrRJ16;
+ DIE_STRUCT *MCTPtr;
+ MEM_SHARED_DATA *SharedPtr;
+ ECC_OVERRIDE_STRUCT ecc_override_struct;
+ BOOLEAN Flag;
+
+ InitECCOverriedeStruct (NBPtr, &ecc_override_struct);
+ IDS_OPTION_HOOK (IDS_ECC, &ecc_override_struct, &(NBPtr->MemPtr->StdHeader));
+
+ ASSERT (NBPtr != NULL);
+
+ MCTPtr = NBPtr->MCTPtr;
+ Node = MCTPtr->NodeId;
+ SharedPtr = NBPtr->SharedPtr;
+ Flag = TRUE;
+
+ NBPtr->FamilySpecificHook[ScrubberErratum] (NBPtr, (VOID *) &Flag);
+
+ if ((MCTPtr->Status[SbEccDimms]) && (SharedPtr->AllECC)) {
+ // Check if the input dram scrub rate is supported or not
+ ASSERT (ecc_override_struct.CfgScrubDramRate <= 0x16);
+ if (ecc_override_struct.CfgScrubDramRate != 0) {
+ // Program scrub address,
+ // let the scrub Addr be the Base of this Node
+ // Only enable Dram scrubber when there is memory on current node
+ //
+ NBPtr->SetBitField (NBPtr, BFScrubReDirEn, 0);
+ ScrubAddrRJ16 = (NBPtr->GetBitField (NBPtr, BFDramBaseReg0 + Node) & 0xFFFF0000) >> 8;
+ ScrubAddrRJ16 |= NBPtr->GetBitField (NBPtr, BFDramBaseHiReg0 + Node) << 24;
+ NBPtr->SetBitField (NBPtr, BFScrubAddrLoReg, ScrubAddrRJ16 << 16);
+ NBPtr->SetBitField (NBPtr, BFScrubAddrHiReg, ScrubAddrRJ16 >> 16);
+ NBPtr->SetBitField (NBPtr, BFDramScrub, ecc_override_struct.CfgScrubDramRate);
+ }
+ }
+ // Scrub CTL for Dcache, L2, L3
+ // Check if the input L2 scrub rate is supported or not
+ ASSERT (ecc_override_struct.CfgScrubL2Rate <= 0x16);
+ NBPtr->SetBitField (NBPtr, BFL2Scrub, ecc_override_struct.CfgScrubL2Rate);
+ // Check if the input Dcache scrub rate is supported or not
+ ASSERT (ecc_override_struct.CfgScrubDcRate <= 0x16);
+ NBPtr->SetBitField (NBPtr, BFDcacheScrub, ecc_override_struct.CfgScrubDcRate);
+ // Do not enable L3 Scrub if F3xE8[L3Capable] is 0 or F3x188[DisableL3] is 1
+ if ((NBPtr->GetBitField (NBPtr, BFL3Capable) == 1) && (NBPtr->GetBitField (NBPtr, BFDisableL3) == 0)) {
+ // Check if input L3 scrub rate is supported or not
+ ASSERT (ecc_override_struct.CfgScrubL3Rate <= 0x16);
+ NBPtr->SetBitField (NBPtr, BFL3Scrub, ecc_override_struct.CfgScrubL3Rate);
+ }
+
+ // Check if Dcache scrubber or L2 scrubber is enabled
+ if ((ecc_override_struct.CfgScrubL2Rate != 0) || (ecc_override_struct.CfgScrubDcRate!= 0)) {
+ // If ClkDivisor is deeper than divide-by-16
+ if (NBPtr->GetBitField (NBPtr, BFC1ClkDivisor) > 4) {
+ // Set it to divide-by-16
+ NBPtr->SetBitField (NBPtr, BFC1ClkDivisor, 4);
+ }
+ }
+
+ NBPtr->SetBitField (NBPtr, BFScrubReDirEn, ecc_override_struct.CfgEccRedirection);
+ NBPtr->SetBitField (NBPtr, BFSyncOnUcEccEn, ecc_override_struct.CfgEccSyncFlood);
+ // Restore MCA reports after scrubber is done
+ // with initializing ECC check bits
+ NBPtr->SetBitField (NBPtr, BFMcaNbCtlReg, NBPtr->McaNbCtlReg);
+
+ Flag = FALSE;
+ NBPtr->FamilySpecificHook[ScrubberErratum] (NBPtr, (VOID *) &Flag);
+
+ return TRUE;
+}
+
+VOID
+STATIC
+InitECCOverriedeStruct (
+ IN OUT MEM_NB_BLOCK *NBPtr,
+ IN OUT ECC_OVERRIDE_STRUCT *pecc_override_struct
+ )
+{
+ //
+ // If (D18F3x44[DramEccEn]==1) THEN 1 ELSE 0 ENDIF
+ //
+ if (NBPtr->GetBitField (NBPtr, BFDramEccEn) == 1) {
+ pecc_override_struct->CfgEccRedirection = 1;
+ } else {
+ pecc_override_struct->CfgEccRedirection = 0;
+ }
+
+ pecc_override_struct->CfgEccSyncFlood = UserOptions.CfgEccSyncFlood;
+ pecc_override_struct->CfgScrubDcRate = UserOptions.CfgScrubDcRate;
+
+ if (UserOptions.CfgScrubDramRate != 0xFF) {
+ pecc_override_struct->CfgScrubDramRate = UserOptions.CfgScrubDramRate;
+ } else {
+ if (NBPtr->MCTPtr->NodeMemSize <= 0x4000) {
+ pecc_override_struct->CfgScrubDramRate = 0x12; // 1 ~ 1 GB
+ } else if (NBPtr->MCTPtr->NodeMemSize <= 0x8000) {
+ pecc_override_struct->CfgScrubDramRate = 0x11; // 1 GB + 1 ~ 2 GB
+ } else if (NBPtr->MCTPtr->NodeMemSize <= 0x10000) {
+ pecc_override_struct->CfgScrubDramRate = 0x10; // 2 GB + 1 ~ 4 GB
+ } else if (NBPtr->MCTPtr->NodeMemSize <= 0x20000) {
+ pecc_override_struct->CfgScrubDramRate = 0x0F; // 4 GB + 1 ~ 8 GB
+ } else if (NBPtr->MCTPtr->NodeMemSize <= 0x40000) {
+ pecc_override_struct->CfgScrubDramRate = 0x0E; // 8 GB + 1 ~ 16 GB
+ } else {
+ pecc_override_struct->CfgScrubDramRate = 0x0D; //16 GB + 1 above
+ }
+ }
+
+ pecc_override_struct->CfgScrubL2Rate = UserOptions.CfgScrubL2Rate;
+ pecc_override_struct->CfgScrubL3Rate = UserOptions.CfgScrubL3Rate;
+}