1 files changed, 138 insertions, 0 deletions
diff --git a/MdePkg/Library/MipiSysTLib/Platform.h b/MdePkg/Library/MipiSysTLib/Platform.h
new file mode 100644
index 0000000000..ac77edf33d
--- /dev/null
+++ b/MdePkg/Library/MipiSysTLib/Platform.h
@@ -0,0 +1,138 @@
+/** @file
+This header file declares functions and structures.
+
+Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef MIPI_SYST_PLATFORM_H_
+#define MIPI_SYST_PLATFORM_H_
+
+typedef struct {
+  UINT64    MmioAddr;
+} TRACE_HUB_PLATFORM_SYST_DATA;
+
+struct mipi_syst_platform_handle {
+  TRACE_HUB_PLATFORM_SYST_DATA    TraceHubPlatformData;
+};
+
+/**
+  Write 4 bytes to Trace Hub MMIO addr + 0x10.
+
+  @param[in]  MipiSystHandle  A pointer to MIPI_SYST_HANDLE structure.
+  @param[in]  Data            Data to be written.
+**/
+VOID
+EFIAPI
+MipiSystWriteD32Ts (
+  IN  VOID    *MipiSystHandle,
+  IN  UINT32  Data
+  );
+
+/**
+  Write 4 bytes to Trace Hub MMIO addr + 0x18.
+
+  @param[in]  MipiSystHandle  A pointer to MIPI_SYST_HANDLE structure.
+  @param[in]  Data            Data to be written.
+**/
+VOID
+EFIAPI
+MipiSystWriteD32Mts (
+  IN  VOID    *MipiSystHandle,
+  IN  UINT32  Data
+  );
+
+/**
+  Write 8 bytes to Trace Hub MMIO addr + 0x18.
+
+  @param[in]  MipiSystHandle  A pointer to MIPI_SYST_HANDLE structure.
+  @param[in]  Data            Data to be written.
+**/
+VOID
+EFIAPI
+MipiSystWriteD64Mts (
+  IN  VOID    *MipiSystHandle,
+  IN  UINT64  Data
+  );
+
+/**
+  Write 1 byte to Trace Hub MMIO addr + 0x0.
+
+  @param[in]  MipiSystHandle  A pointer to MIPI_SYST_HANDLE structure.
+  @param[in]  Data            Data to be written.
+**/
+VOID
+EFIAPI
+MipiSystWriteD8 (
+  IN  VOID   *MipiSystHandle,
+  IN  UINT8  Data
+  );
+
+/**
+  Write 2 bytes to Trace Hub MMIO mmio addr + 0x0.
+
+  @param[in]  MipiSystHandle  A pointer to MIPI_SYST_HANDLE structure.
+  @param[in]  Data            Data to be written.
+**/
+VOID
+EFIAPI
+MipiSystWriteD16 (
+  IN  VOID    *MipiSystHandle,
+  IN  UINT16  Data
+  );
+
+/**
+  Write 4 bytes to Trace Hub MMIO addr + 0x0.
+
+  @param[in]  MipiSystHandle  A pointer to MIPI_SYST_HANDLE structure.
+  @param[in]  Data            Data to be written.
+**/
+VOID
+EFIAPI
+MipiSystWriteD32 (
+  IN  VOID    *MipiSystHandle,
+  IN  UINT32  Data
+  );
+
+/**
+  Write 8 bytes to Trace Hub MMIO addr + 0x0.
+
+  @param[in]  MipiSystHandle  A pointer to MIPI_SYST_HANDLE structure.
+  @param[in]  Data            Data to be written.
+**/
+VOID
+EFIAPI
+MipiSystWriteD64 (
+  IN  VOID    *MipiSystHandle,
+  IN  UINT64  Data
+  );
+
+/**
+  Clear data in Trace Hub MMIO addr + 0x30.
+
+  @param[in]  MipiSystHandle  A pointer to MIPI_SYST_HANDLE structure.
+**/
+VOID
+EFIAPI
+MipiSystWriteFlag (
+  IN  VOID  *MipiSystHandle
+  );
+
+#define MIPI_SYST_PLATFORM_CLOCK()  1000 // (unit: MicroSecond)
+
+#ifndef MIPI_SYST_PCFG_ENABLE_PLATFORM_STATE_DATA
+#define MIPI_SYST_OUTPUT_D32TS(MipiSystHandle, Data)   MipiSystWriteD32Ts ((MipiSystHandle), (Data))
+#define MIPI_SYST_OUTPUT_D32MTS(MipiSystHandle, Data)  MipiSystWriteD32Mts ((MipiSystHandle), (Data))
+#define MIPI_SYST_OUTPUT_D64MTS(MipiSystHandle, Data)  MipiSystWriteD64Mts ((MipiSystHandle), (Data))
+#define MIPI_SYST_OUTPUT_D8(MipiSystHandle, Data)      MipiSystWriteD8 ((MipiSystHandle), (Data))
+#define MIPI_SYST_OUTPUT_D16(MipiSystHandle, Data)     MipiSystWriteD16 ((MipiSystHandle), (Data))
+#define MIPI_SYST_OUTPUT_D32(MipiSystHandle, Data)     MipiSystWriteD32 ((MipiSystHandle), (Data))
+  #if defined (MIPI_SYST_PCFG_ENABLE_64BIT_IO)
+#define MIPI_SYST_OUTPUT_D64(MipiSystHandle, Data)  MipiSystWriteD64 ((MipiSystHandle), (Data))
+  #endif
+#define MIPI_SYST_OUTPUT_FLAG(MipiSystHandle)  MipiSystWriteFlag ((MipiSystHandle))
+#endif
+
+#endif // MIPI_SYST_PLATFORM_H_