diff options
Diffstat (limited to 'Silicon/BroxtonSoC/BroxtonSiPkg/NorthCluster/Include/Protocol/MemInfo.h')
-rw-r--r-- | Silicon/BroxtonSoC/BroxtonSiPkg/NorthCluster/Include/Protocol/MemInfo.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/NorthCluster/Include/Protocol/MemInfo.h b/Silicon/BroxtonSoC/BroxtonSiPkg/NorthCluster/Include/Protocol/MemInfo.h new file mode 100644 index 0000000000..5acaadd07a --- /dev/null +++ b/Silicon/BroxtonSoC/BroxtonSiPkg/NorthCluster/Include/Protocol/MemInfo.h @@ -0,0 +1,84 @@ +/** @file
+ This protocol provides the memory information data, such as
+ total physical memory size, memory frequency, memory size
+ of each dimm and rank.
+
+ This protocol is EFI compatible.
+
+ Copyright (c) 1999 - 2016, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _MEM_INFO_PROTOCOL_H_
+#define _MEM_INFO_PROTOCOL_H_
+
+//
+// Define the protocol GUID
+//
+#define MEM_INFO_PROTOCOL_GUID \
+ { \
+ 0x6f20f7c8, 0xe5ef, 0x4f21, 0x8d, 0x19, 0xed, 0xc5, 0xf0, 0xc4, 0x96, 0xae \
+ }
+
+//
+// Extern the GUID for protocol users.
+//
+extern EFI_GUID gMemInfoProtocolGuid;
+
+//
+// Forward reference for ANSI C compatibility
+//
+typedef struct _MEM_INFO_PROTOCOL MEM_INFO_PROTOCOL;
+
+//
+// Protocol definitions
+//
+
+#define CH_NUM 4
+#define DIMM_NUM 1
+#define RANK_NUM 2
+#define MAX_SOCKETS (CH_NUM * DIMM_NUM)
+
+/**
+ memSize Total physical memory size
+ ddrFreq DDR Frequency
+ EccSupport ECC Support
+ dimmSize Dimm Size
+ DimmExist Dimm Present or not
+ RankInDimm No. of ranks in a dimm
+
+**/
+#pragma pack(1)
+
+typedef struct {
+ UINT32 memSize;
+ UINT16 ddrFreq;
+ UINT16 ddrType;
+ BOOLEAN EccSupport;
+ UINT32 dimmSize[CH_NUM * DIMM_NUM];
+ UINT8 reserved;
+ UINT16 reserved2;
+ UINT8 DimmPresent[CH_NUM * DIMM_NUM];
+ UINT8 *DimmsSpdData[CH_NUM * DIMM_NUM];
+ UINT8 BusWidth;
+} MEMORY_INFO_DATA;
+
+#pragma pack()
+
+//
+// Memory Information Protocol
+//
+struct _MEM_INFO_PROTOCOL {
+ MEMORY_INFO_DATA MemInfoData;
+};
+
+#endif
+
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