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authorSiyuan Wang <wangsiyuanbuaa@gmail.com>2013-07-25 15:14:15 +0800
committerBruce Griffith <Bruce.Griffith@se-eng.com>2013-08-04 05:40:37 +0200
commitaffe85fbc8a13d35960aa92ae87cbb6330ad253f (patch)
tree9c1ace69f12b06b6544faf041994aa4288fb2e45 /src/vendorcode/amd/agesa/f16kb/Proc/Mem/Main/mmEcc.c
parentae8d06969bdde9b1250bc3c4ad93f5db408dae98 (diff)
AMD Kabini: Add AGESA/PI code for new processor family
Change-Id: Icb6f64e2e3cfd678fb4fb4f13f0e4b678d5acc4a Signed-off-by: Siyuan Wang <SiYuan.Wang@amd.com> Signed-off-by: Siyuan Wang <wangsiyuanbuaa@gmail.com> Reviewed-by: Nick Dill <nick.dill@se-eng.com> Tested-by: Bruce Griffith <bruce.griffith@se-eng.com> Reviewed-on: http://review.coreboot.org/3836 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martin.roth@se-eng.com>
Diffstat (limited to 'src/vendorcode/amd/agesa/f16kb/Proc/Mem/Main/mmEcc.c')
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1 files changed, 186 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Main/mmEcc.c b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Main/mmEcc.c
new file mode 100644
index 0000000000..acff7196fd
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+++ b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Main/mmEcc.c
@@ -0,0 +1,186 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * mmEcc.c
+ *
+ * Main Memory Feature implementation file for ECC Initialization
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: AGESA
+ * @e sub-project: (Mem/Main)
+ * @e \$Revision: 87201 $ @e \$Date: 2013-01-30 11:25:53 -0600 (Wed, 30 Jan 2013) $
+ *
+ **/
+/*****************************************************************************
+*
+ * Copyright (c) 2008 - 2013, Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of Advanced Micro Devices, Inc. nor the names of
+ * its contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * 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 ADVANCED MICRO DEVICES, INC. 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.
+* ***************************************************************************
+*
+*/
+
+/*
+ *----------------------------------------------------------------------------
+ * MODULES USED
+ *
+ *----------------------------------------------------------------------------
+ */
+
+
+#include "Porting.h"
+#include "AGESA.h"
+#include "Ids.h"
+#include "cpuRegisters.h"
+#include "OptionMemory.h"
+#include "mm.h"
+#include "mn.h"
+#include "mt.h"
+#include "ma.h"
+#include "mfmemclr.h"
+#include "Filecode.h"
+CODE_GROUP (G1_PEICC)
+RDATA_GROUP (G1_PEICC)
+
+#define FILECODE PROC_MEM_MAIN_MMECC_FILECODE
+/*----------------------------------------------------------------------------
+ * PROTOTYPES OF LOCAL FUNCTIONS
+ *
+ *----------------------------------------------------------------------------
+ */
+
+BOOLEAN
+MemMEcc (
+ IN OUT MEM_MAIN_DATA_BLOCK *mmPtr
+ );
+
+/*-----------------------------------------------------------------------------
+* EXPORTED FUNCTIONS
+*
+*-----------------------------------------------------------------------------
+*/
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ *
+ *
+ *
+ * @param[in,out] *mmPtr - Pointer to the MEM_MAIN_DATA_BLOCK
+ *
+ * @return TRUE - No fatal error occurs.
+ * @return FALSE - Fatal error occurs.
+ */
+BOOLEAN
+MemMEcc (
+ IN OUT MEM_MAIN_DATA_BLOCK *mmPtr
+ )
+{
+ UINT8 Die;
+ MEM_SHARED_DATA *SharedPtr;
+ MEM_PARAMETER_STRUCT *RefPtr;
+ BOOLEAN RetVal;
+
+ RetVal = TRUE;
+ RefPtr = mmPtr->MemPtr->ParameterListPtr;
+ SharedPtr = mmPtr->mmSharedPtr;
+
+ //
+ // Run Northbridge-specific ECC initialization feature for each die.
+ //
+ SharedPtr->AllECC = FALSE;
+ if (RefPtr->EnableEccFeature) {
+ SharedPtr->AllECC = TRUE;
+ AGESA_TESTPOINT (TpProcMemEccInitialization, &(mmPtr->MemPtr->StdHeader));
+
+ for (Die = 0 ; Die < mmPtr->DieCount ; Die ++ ) {
+ mmPtr->NBPtr[Die].FeatPtr->CheckEcc (&(mmPtr->NBPtr[Die]));
+ RetVal &= (BOOLEAN) (mmPtr->NBPtr[Die].MCTPtr->ErrCode < AGESA_FATAL);
+ }
+ if (SharedPtr->AllECC == TRUE) {
+ RefPtr->GStatus[GsbAllECCDimms] = TRUE;
+ // Sync mem clear before setting scrub rate.
+ for (Die = 0; Die < mmPtr->DieCount; Die++) {
+ MemFMctMemClr_Sync (&(mmPtr->NBPtr[Die]));
+ }
+ }
+ }
+ // Scrubber control
+ for (Die = 0 ; Die < mmPtr->DieCount ; Die ++ ) {
+ mmPtr->NBPtr[Die].FeatPtr->InitEcc (&(mmPtr->NBPtr[Die]));
+ }
+ return RetVal;
+}
+
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ * This function disable DRAM scrubber
+ *
+ * @param[in,out] *MemMainPtr - Pointer to the MEM_MAIN_DATA_BLOCK
+ *
+ */
+VOID
+MemMDisableScrubber (
+ IN OUT MEM_MAIN_DATA_BLOCK *MemMainPtr
+ )
+{
+ UINT8 Node;
+ MEM_SHARED_DATA *SharedPtr;
+ MEM_NB_BLOCK *NBArray;
+
+ SharedPtr = MemMainPtr->mmSharedPtr;
+ NBArray = MemMainPtr->NBPtr;
+ if (SharedPtr->AllECC == TRUE) {
+ for (Node = 0; Node < MemMainPtr->DieCount; Node ++) {
+ NBArray[Node].MemNDisableScrubber (&NBArray[Node]);
+ }
+ }
+}
+
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ * This function restore the settings of DRAM scrubber
+ *
+ * @param[in,out] *MemMainPtr - Pointer to the MEM_MAIN_DATA_BLOCK
+ *
+ */
+VOID
+MemMRestoreScrubber (
+ IN OUT MEM_MAIN_DATA_BLOCK *MemMainPtr
+ )
+{
+ UINT8 Node;
+ MEM_SHARED_DATA *SharedPtr;
+ MEM_NB_BLOCK *NBArray;
+
+ SharedPtr = MemMainPtr->mmSharedPtr;
+ NBArray = MemMainPtr->NBPtr;
+ if (SharedPtr->AllECC == TRUE) {
+ for (Node = 0; Node < MemMainPtr->DieCount; Node ++) {
+ NBArray[Node].MemNRestoreScrubber (&NBArray[Node]);
+ }
+ }
+}