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Diffstat (limited to 'src/vendorcode/amd/cimx/sb800/AMDLIB.c')
-rw-r--r--src/vendorcode/amd/cimx/sb800/AMDLIB.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/AMDLIB.c b/src/vendorcode/amd/cimx/sb800/AMDLIB.c
new file mode 100644
index 0000000000..cf3267fb68
--- /dev/null
+++ b/src/vendorcode/amd/cimx/sb800/AMDLIB.c
@@ -0,0 +1,82 @@
+/*
+ *****************************************************************************
+ *
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * ***************************************************************************
+ *
+ */
+
+#include "SBPLATFORM.h"
+
+UINT8
+getNumberOfCpuCores (
+ OUT VOID
+ )
+{
+ UINT8 Result;
+ Result = 1;
+ Result = ReadNumberOfCpuCores ();
+ return Result;
+}
+
+UINT32
+readAlink (
+ IN UINT32 Index
+ )
+{
+ UINT32 Data;
+ WriteIO (ALINK_ACCESS_INDEX, AccWidthUint32, &Index);
+ ReadIO (ALINK_ACCESS_DATA, AccWidthUint32, &Data);
+ //Clear Index
+ Index = 0;
+ WriteIO (ALINK_ACCESS_INDEX, AccWidthUint32, &Index);
+ return Data;
+}
+
+VOID
+writeAlink (
+ IN UINT32 Index,
+ IN UINT32 Data
+ )
+{
+ WriteIO (ALINK_ACCESS_INDEX, AccWidthUint32 | S3_SAVE, &Index);
+ WriteIO (ALINK_ACCESS_DATA, AccWidthUint32 | S3_SAVE, &Data);
+ //Clear Index
+ Index = 0;
+ WriteIO (ALINK_ACCESS_INDEX, AccWidthUint32 | S3_SAVE, &Index);
+}
+
+VOID
+rwAlink (
+ IN UINT32 Index,
+ IN UINT32 AndMask,
+ IN UINT32 OrMask
+ )
+{
+ UINT32 AccesType;
+ AccesType = Index & 0xE0000000;
+ if (AccesType == (AXINDC << 29)) {
+ writeAlink ((SB_AX_INDXC_REG30 | AccesType), Index & 0x1FFFFFFF);
+ Index = (SB_AX_DATAC_REG34 | AccesType);
+ } else if (AccesType == (AXINDP << 29)) {
+ writeAlink ((SB_AX_INDXP_REG38 | AccesType), Index & 0x1FFFFFFF);
+ Index = (SB_AX_DATAP_REG3C | AccesType);
+ }
+ writeAlink (Index, (readAlink (Index) & AndMask) | OrMask );
+}
+