diff options
Diffstat (limited to 'src/vendorcode/amd/cimx/sb800/MEMLIB.c')
-rw-r--r-- | src/vendorcode/amd/cimx/sb800/MEMLIB.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/MEMLIB.c b/src/vendorcode/amd/cimx/sb800/MEMLIB.c new file mode 100644 index 0000000000..5c3db7612d --- /dev/null +++ b/src/vendorcode/amd/cimx/sb800/MEMLIB.c @@ -0,0 +1,86 @@ +/*
+ *****************************************************************************
+ *
+ * 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"
+
+VOID
+ReadMEM (
+ IN UINT32 Address,
+ IN UINT8 OpFlag,
+ IN VOID* Value
+ )
+{
+ OpFlag = OpFlag & 0x7f;
+ switch ( OpFlag ) {
+ case AccWidthUint8:
+ *((UINT8*)Value) = *((UINT8*) ((UINTN)Address));
+ break;
+ case AccWidthUint16:
+ //*((UINT16*)Value) = *((UINT16*) ((UINTN)Address)); //gcc break strict-aliasing rules
+ *((UINT8*)Value) = *((UINT8*) ((UINTN)Address));
+ *((UINT8*)Value + 1) = *((UINT8*)((UINTN)Address) + 1);
+ break;
+ case AccWidthUint32:
+ *((UINT32*)Value) = *((UINT32*) ((UINTN)Address));
+ break;
+ }
+}
+
+VOID
+WriteMEM (
+ IN UINT32 Address,
+ IN UINT8 OpFlag,
+ IN VOID* Value
+ )
+{
+ OpFlag = OpFlag & 0x7f;
+ switch ( OpFlag ) {
+ case AccWidthUint8 :
+ *((UINT8*) ((UINTN)Address)) = *((UINT8*)Value);
+ break;
+ case AccWidthUint16:
+ //*((UINT16*) ((UINTN)Address)) = *((UINT16*)Value); //gcc break strict-aliasing rules
+ *((UINT8*)((UINTN)Address)) = *((UINT8*)Value);
+ *((UINT8*)((UINTN)Address) + 1) = *((UINT8*)Value + 1);
+ break;
+ case AccWidthUint32:
+ *((UINT32*) ((UINTN)Address)) = *((UINT32*)Value);
+ break;
+ }
+}
+
+VOID
+RWMEM (
+ IN UINT32 Address,
+ IN UINT8 OpFlag,
+ IN UINT32 Mask,
+ IN UINT32 Data
+ )
+{
+ UINT32 Result;
+ ReadMEM (Address, OpFlag, &Result);
+ Result = (Result & Mask) | Data;
+ WriteMEM (Address, OpFlag, &Result);
+}
+
+
|