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authorzwei4 <david.wei@intel.com>2017-03-10 16:00:56 +0800
committerGuo Mang <mang.guo@intel.com>2017-05-09 13:03:11 +0800
commit03ef874676a3bf61581996bcf3d8ded1866ddc05 (patch)
treeda9d38fb39b562200e6010f3091539800b005e6a /Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/Ppi
parent61e5cdf388f8c748fef3d5f5af82640fa79cc4c5 (diff)
downloadedk2-platforms-03ef874676a3bf61581996bcf3d8ded1866ddc05.tar.xz
Add PEI SPI library.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: zwei4 <david.wei@intel.com>
Diffstat (limited to 'Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/Ppi')
-rw-r--r--Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/Ppi/Spi.h238
1 files changed, 238 insertions, 0 deletions
diff --git a/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/Ppi/Spi.h b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/Ppi/Spi.h
new file mode 100644
index 0000000000..89c167cec2
--- /dev/null
+++ b/Silicon/BroxtonSoC/BroxtonSiPkg/SouthCluster/Include/Ppi/Spi.h
@@ -0,0 +1,238 @@
+/** @file
+ This file defines the EFI SPI PPI which implements the
+ Intel(R) SC SPI Host Controller Compatibility Interface.
+
+ Copyright (c) 2012 - 2017, 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 _PEI_SPI_H_
+#define _PEI_SPI_H_
+
+//
+// Extern the GUID for protocol users.
+//
+extern EFI_GUID gScSpiPpiGuid;
+
+//
+// Forward reference for ANSI C compatibility
+//
+typedef struct _SC_SPI_PROTOCOL SC_SPI_PROTOCOL;
+
+//
+// SPI protocol data structures and definitions
+//
+
+///
+/// Flash Region Type
+///
+typedef enum {
+ FlashRegionDescriptor,
+ FlashRegionBios,
+ FlashRegionMe,
+ FlashRegionGbE,
+ FlashRegionPlatformData,
+ FlashRegionAll,
+ FlashRegionMax
+} FLASH_REGION_TYPE;
+
+//
+// Protocol member functions
+//
+
+/**
+ Read data from the flash part.
+
+ @param[in] This Pointer to the SC_SPI_PROTOCOL instance.
+ @param[in] FlashRegionType The Flash Region type for flash cycle which is listed in the Descriptor.
+ @param[in] Address The Flash Linear Address must fall within a region for which BIOS has access permissions.
+ @param[in] ByteCount Number of bytes in the data portion of the SPI cycle.
+ @param[out] Buffer The Pointer to caller-allocated buffer containing the dada received.
+ It is the caller's responsibility to make sure Buffer is large enough for the total number of bytes read.
+
+ @retval EFI_SUCCESS Command succeed.
+ @retval EFI_INVALID_PARAMETER The parameters specified are not valid.
+ @retval EFI_DEVICE_ERROR Device error, command aborts abnormally.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *SC_SPI_FLASH_READ) (
+ IN SC_SPI_PROTOCOL *This,
+ IN FLASH_REGION_TYPE FlashRegionType,
+ IN UINT32 Address,
+ IN UINT32 ByteCount,
+ OUT UINT8 *Buffer
+ );
+
+/**
+ Write data to the flash part.
+
+ @param[in] This Pointer to the SC_SPI_PROTOCOL instance.
+ @param[in] FlashRegionType The Flash Region type for flash cycle which is listed in the Descriptor.
+ @param[in] Address The Flash Linear Address must fall within a region for which BIOS has access permissions.
+ @param[in] ByteCount Number of bytes in the data portion of the SPI cycle.
+ @param[in] Buffer Pointer to caller-allocated buffer containing the data sent during the SPI cycle.
+
+ @retval EFI_SUCCESS Command succeed.
+ @retval EFI_INVALID_PARAMETER The parameters specified are not valid.
+ @retval EFI_DEVICE_ERROR Device error, command aborts abnormally.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *SC_SPI_FLASH_WRITE) (
+ IN SC_SPI_PROTOCOL *This,
+ IN FLASH_REGION_TYPE FlashRegionType,
+ IN UINT32 Address,
+ IN UINT32 ByteCount,
+ IN UINT8 *Buffer
+ );
+
+/**
+ Erase some area on the flash part.
+
+ @param[in] This Pointer to the SC_SPI_PROTOCOL instance.
+ @param[in] FlashRegionType The Flash Region type for flash cycle which is listed in the Descriptor.
+ @param[in] Address The Flash Linear Address must fall within a region for which BIOS has access permissions.
+ @param[in] ByteCount Number of bytes in the data portion of the SPI cycle.
+
+ @retval EFI_SUCCESS Command succeed.
+ @retval EFI_INVALID_PARAMETER The parameters specified are not valid.
+ @retval EFI_DEVICE_ERROR Device error, command aborts abnormally.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *SC_SPI_FLASH_ERASE) (
+ IN SC_SPI_PROTOCOL *This,
+ IN FLASH_REGION_TYPE FlashRegionType,
+ IN UINT32 Address,
+ IN UINT32 ByteCount
+ );
+
+/**
+ Read SFDP data from the flash part.
+
+ @param[in] This Pointer to the SC_SPI_PROTOCOL instance.
+ @param[in] ComponentNumber The Componen Number for chip select
+ @param[in] ByteCount Number of bytes in SFDP data portion of the SPI cycle, the max number is 64
+ @param[out] SfdpData The Pointer to caller-allocated buffer containing the SFDP data received
+ It is the caller's responsibility to make sure Buffer is large enough for the total number of bytes read.
+
+ @retval EFI_SUCCESS Command succeed.
+ @retval EFI_INVALID_PARAMETER The parameters specified are not valid.
+ @retval EFI_DEVICE_ERROR Device error, command aborts abnormally.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *SC_SPI_FLASH_READ_SFDP) (
+ IN SC_SPI_PROTOCOL *This,
+ IN UINT8 ComponentNumber,
+ IN UINT32 ByteCount,
+ OUT UINT8 *SfdpData
+ );
+
+/**
+ Read Jedec Id from the flash part.
+
+ @param[in] This Pointer to the SC_SPI_PROTOCOL instance.
+ @param[in] ComponentNumber The Componen Number for chip select
+ @param[in] ByteCount Number of bytes in JedecId data portion of the SPI cycle, the data size is 3 typically
+ @param[out] JedecId The Pointer to caller-allocated buffer containing JEDEC ID received
+ It is the caller's responsibility to make sure Buffer is large enough for the total number of bytes read.
+
+ @retval EFI_SUCCESS Command succeed.
+ @retval EFI_INVALID_PARAMETER The parameters specified are not valid.
+ @retval EFI_DEVICE_ERROR Device error, command aborts abnormally.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *SC_SPI_FLASH_READ_JEDEC_ID) (
+ IN SC_SPI_PROTOCOL *This,
+ IN UINT8 ComponentNumber,
+ IN UINT32 ByteCount,
+ OUT UINT8 *JedecId
+ );
+
+/**
+ Write the status register in the flash part.
+
+ @param[in] This Pointer to the SC_SPI_PROTOCOL instance.
+ @param[in] ByteCount Number of bytes in Status data portion of the SPI cycle, the data size is 1 typically
+ @param[in] StatusValue The Pointer to caller-allocated buffer containing the value of Status register writing
+
+ @retval EFI_SUCCESS Command succeed.
+ @retval EFI_INVALID_PARAMETER The parameters specified are not valid.
+ @retval EFI_DEVICE_ERROR Device error, command aborts abnormally.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *SC_SPI_FLASH_WRITE_STATUS) (
+ IN SC_SPI_PROTOCOL *This,
+ IN UINT32 ByteCount,
+ IN UINT8 *StatusValue
+ );
+
+/**
+ Read status register in the flash part.
+
+ @param[in] This Pointer to the SC_SPI_PROTOCOL instance.
+ @param[in] ByteCount Number of bytes in Status data portion of the SPI cycle, the data size is 1 typically
+ @param[out] StatusValue The Pointer to caller-allocated buffer containing the value of Status register received.
+
+ @retval EFI_SUCCESS Command succeed.
+ @retval EFI_INVALID_PARAMETER The parameters specified are not valid.
+ @retval EFI_DEVICE_ERROR Device error, command aborts abnormally.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *SC_SPI_FLASH_READ_STATUS) (
+ IN SC_SPI_PROTOCOL *This,
+ IN UINT32 ByteCount,
+ OUT UINT8 *StatusValue
+ );
+
+/**
+ Read PCH Soft Strap Values
+
+ @param[in] This Pointer to the SC_SPI_PROTOCOL instance.
+ @param[in] SoftStrapAddr PCH Soft Strap address offset from FPSBA.
+ @param[in] ByteCount Number of bytes in SoftStrap data portion of the SPI cycle
+ @param[out] SoftStrapValue The Pointer to caller-allocated buffer containing PCH Soft Strap Value.
+ It is the caller's responsibility to make sure Buffer is large enough for the total number of bytes read.
+
+ @retval EFI_SUCCESS Command succeed.
+ @retval EFI_INVALID_PARAMETER The parameters specified are not valid.
+ @retval EFI_DEVICE_ERROR Device error, command aborts abnormally.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *SC_SPI_READ_PCH_SOFTSTRAP) (
+ IN SC_SPI_PROTOCOL *This,
+ IN UINT32 SoftStrapAddr,
+ IN UINT32 ByteCount,
+ OUT UINT8 *SoftStrapValue
+ );
+
+/**
+ These protocols/PPI allows a platform module to perform SPI operations through the
+ Intel PCH SPI Host Controller Interface.
+**/
+struct _SC_SPI_PROTOCOL {
+ SC_SPI_FLASH_READ FlashRead; ///< Read data from the flash part.
+ SC_SPI_FLASH_WRITE FlashWrite; ///< Write data to the flash part.
+ SC_SPI_FLASH_ERASE FlashErase; ///< Erase some area on the flash part.
+ SC_SPI_FLASH_READ_SFDP FlashReadSfdp; ///< Read SFDP data from the flash part.
+ SC_SPI_FLASH_READ_JEDEC_ID FlashReadJedecId; ///< Read Jedec Id from the flash part.
+ SC_SPI_FLASH_WRITE_STATUS FlashWriteStatus; ///< Write the status register in the flash part.
+ SC_SPI_FLASH_READ_STATUS FlashReadStatus; ///< Read status register in the flash part.
+ SC_SPI_READ_PCH_SOFTSTRAP ReadPchSoftStrap; ///< Read PCH Soft Strap Values
+};
+
+#endif