Add the AMD Family10 Agesa code

[coreboot.git] / src / vendorcode / amd / agesa / f10 / Proc / Mem / NB / DA / mnprotoda.c

diff --git a/src/vendorcode/amd/agesa/f10/Proc/Mem/NB/DA/mnprotoda.c b/src/vendorcode/amd/agesa/f10/Proc/Mem/NB/DA/mnprotoda.c
new file mode 100755 (executable)
index 0000000..9541374
--- /dev/null
+++ b/src/vendorcode/amd/agesa/f10/Proc/Mem/NB/DA/mnprotoda.c
@@ -0,0 +1,81 @@
+/**
+ * @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: 11190 $ @e \$Date: 2009-03-02 10:39:45 -0600 (Mon, 02 Mar 2009) $
+ *
+ **/
+/*****************************************************************************
+*
+* 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 "mnda.h"
+#include "Filecode.h"
+#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;
+    }
+  }
+}
+