summaryrefslogtreecommitdiff
path: root/src/vendorcode/amd/agesa/f14/Proc/Mem/NB/DA/mnprotoda.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/vendorcode/amd/agesa/f14/Proc/Mem/NB/DA/mnprotoda.c')
-rw-r--r--src/vendorcode/amd/agesa/f14/Proc/Mem/NB/DA/mnprotoda.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f14/Proc/Mem/NB/DA/mnprotoda.c b/src/vendorcode/amd/agesa/f14/Proc/Mem/NB/DA/mnprotoda.c
new file mode 100644
index 0000000000..ef042d3cc8
--- /dev/null
+++ b/src/vendorcode/amd/agesa/f14/Proc/Mem/NB/DA/mnprotoda.c
@@ -0,0 +1,87 @@
+/* $NoKeywords:$ */
+/**
+ * @file
+ *
+ * mnprotoda.c
+ *
+ * Northbridge support functions for Errata and early samples
+ *
+ * @xrefitem bom "File Content Label" "Release Content"
+ * @e project: AGESA
+ * @e sub-project: (Mem/NB/DA)
+ * @e \$Revision: 36462 $ @e \$Date: 2010-08-20 00:49:49 +0800 (Fri, 20 Aug 2010) $
+ *
+ **/
+/*
+ *****************************************************************************
+ *
+ * Copyright (c) 2011, 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.
+ *
+ * ***************************************************************************
+ *
+ */
+
+
+
+#include "AGESA.h"
+#include "mm.h"
+#include "mn.h"
+#include "OptionMemory.h" // need def for MEM_FEAT_BLOCK_NB
+#include "mnda.h"
+#include "Filecode.h"
+CODE_GROUP (G1_PEICC)
+RDATA_GROUP (G1_PEICC)
+
+#define FILECODE PROC_MEM_NB_DA_MNPROTODA_FILECODE
+
+/* -----------------------------------------------------------------------------*/
+/**
+ *
+ *
+ * This function executes Node memory 1GB boundary alignment.
+ *
+ * @param[in,out] *NBPtr - Pointer to the MEM_NB_BLOCK
+ * @param[in,out] *NodeSysLimit - Pointer to the NodeSysLimit
+ *
+ */
+
+VOID
+MemPNodeMemBoundaryDA (
+ IN OUT MEM_NB_BLOCK *NBPtr,
+ IN OUT UINT32 *NodeSysLimit
+ )
+{
+ if (NBPtr->GetBitField (NBPtr, BFDdr3Mode) == 0) {
+ // only apply to DDR2.
+ if (*NodeSysLimit > ((UINT32)1 << (30 - 16))) {
+ // if (NodeSysLimit > 1GB) then set to Node limit to 1GB boundary for each node
+ *NodeSysLimit += 1;
+ *NodeSysLimit &= 0xFFFFC000;
+ *NodeSysLimit -= 1;
+ }
+ }
+}
+