[edk2-devel] [edk2-platforms][PATCH v4 08/41] IntelSiliconPkg: Add SpiFlashCommonLib

Michael Kubacki mikuback at linux.microsoft.com
Fri Jun 25 21:20:47 UTC 2021


From: Michael Kubacki <michael.kubacki at microsoft.com>

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3307

Adds the SpiFlashCommonLib interface to IntelSiliconPkg. The initial
library instance added in this change is the NULL instance.

Cc: Ray Ni <ray.ni at intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaganty at intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki at microsoft.com>
Reviewed-by: Nate DeSimone <nathaniel.l.desimone at intel.com>
---
 Silicon/Intel/IntelSiliconPkg/Library/SpiFlashCommonLibNull/SpiFlashCommonLibNull.c   | 101 ++++++++++++++++++++
 Silicon/Intel/IntelSiliconPkg/Include/Library/SpiFlashCommonLib.h                     |  98 +++++++++++++++++++
 Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dec                                     |   4 +
 Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dsc                                     |   1 +
 Silicon/Intel/IntelSiliconPkg/Library/SpiFlashCommonLibNull/SpiFlashCommonLibNull.inf |  28 ++++++
 5 files changed, 232 insertions(+)

diff --git a/Silicon/Intel/IntelSiliconPkg/Library/SpiFlashCommonLibNull/SpiFlashCommonLibNull.c b/Silicon/Intel/IntelSiliconPkg/Library/SpiFlashCommonLibNull/SpiFlashCommonLibNull.c
new file mode 100644
index 000000000000..c5f46829869c
--- /dev/null
+++ b/Silicon/Intel/IntelSiliconPkg/Library/SpiFlashCommonLibNull/SpiFlashCommonLibNull.c
@@ -0,0 +1,101 @@
+/** @file
+  Null Library instance of SPI Flash Common Library Class
+
+Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Uefi.h>
+#include <Library/DebugLib.h>
+#include <Library/SpiFlashCommonLib.h>
+
+/**
+  Enable block protection on the Serial Flash device.
+
+  @retval     EFI_SUCCESS       Operation is successful.
+  @retval     EFI_DEVICE_ERROR  If there is any device errors.
+
+**/
+EFI_STATUS
+EFIAPI
+SpiFlashLock (
+  VOID
+  )
+{
+  return EFI_SUCCESS;
+}
+
+/**
+  Read NumBytes bytes of data from the address specified by
+  PAddress into Buffer.
+
+  @param[in]      Address       The starting physical address of the read.
+  @param[in,out]  NumBytes      On input, the number of bytes to read. On output, the number
+                                of bytes actually read.
+  @param[out]     Buffer        The destination data buffer for the read.
+
+  @retval         EFI_SUCCESS       Operation is successful.
+  @retval         EFI_DEVICE_ERROR  If there is any device errors.
+
+**/
+EFI_STATUS
+EFIAPI
+SpiFlashRead (
+  IN     UINTN                        Address,
+  IN OUT UINT32                       *NumBytes,
+     OUT UINT8                        *Buffer
+  )
+{
+  ASSERT(FALSE);
+  return EFI_SUCCESS;
+}
+
+/**
+  Write NumBytes bytes of data from Buffer to the address specified by
+  PAddresss.
+
+  @param[in]      Address         The starting physical address of the write.
+  @param[in,out]  NumBytes        On input, the number of bytes to write. On output,
+                                  the actual number of bytes written.
+  @param[in]      Buffer          The source data buffer for the write.
+
+  @retval         EFI_SUCCESS       Operation is successful.
+  @retval         EFI_DEVICE_ERROR  If there is any device errors.
+
+**/
+EFI_STATUS
+EFIAPI
+SpiFlashWrite (
+  IN     UINTN                      Address,
+  IN OUT UINT32                     *NumBytes,
+  IN     UINT8                      *Buffer
+  )
+{
+  ASSERT(FALSE);
+  return EFI_SUCCESS;
+}
+
+/**
+  Erase the block starting at Address.
+
+  @param[in]  Address         The starting physical address of the block to be erased.
+                              This library assume that caller guarantee that the PAddress
+                              is at the starting address of this block.
+  @param[in]  NumBytes        On input, the number of bytes of the logical block to be erased.
+                              On output, the actual number of bytes erased.
+
+  @retval     EFI_SUCCESS.      Operation is successful.
+  @retval     EFI_DEVICE_ERROR  If there is any device errors.
+
+**/
+EFI_STATUS
+EFIAPI
+SpiFlashBlockErase (
+  IN    UINTN                     Address,
+  IN    UINTN                     *NumBytes
+  )
+{
+  ASSERT(FALSE);
+  return EFI_SUCCESS;
+}
diff --git a/Silicon/Intel/IntelSiliconPkg/Include/Library/SpiFlashCommonLib.h b/Silicon/Intel/IntelSiliconPkg/Include/Library/SpiFlashCommonLib.h
new file mode 100644
index 000000000000..ef62ba238d71
--- /dev/null
+++ b/Silicon/Intel/IntelSiliconPkg/Include/Library/SpiFlashCommonLib.h
@@ -0,0 +1,98 @@
+/** @file
+  The header file includes the common header files, defines
+  internal structure and functions used by SpiFlashCommonLib.
+
+  Copyright (c) 2019 Intel Corporation. All rights reserved. <BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __SPI_FLASH_COMMON_LIB_H__
+#define __SPI_FLASH_COMMON_LIB_H__
+
+#include <Uefi.h>
+#include <Library/BaseLib.h>
+#include <Library/PcdLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiBootServicesTableLib.h>
+
+#define SECTOR_SIZE_4KB   0x1000      // Common 4kBytes sector size
+/**
+  Enable block protection on the Serial Flash device.
+
+  @retval     EFI_SUCCESS       Opertion is successful.
+  @retval     EFI_DEVICE_ERROR  If there is any device errors.
+
+**/
+EFI_STATUS
+EFIAPI
+SpiFlashLock (
+  VOID
+  );
+
+/**
+  Read NumBytes bytes of data from the address specified by
+  PAddress into Buffer.
+
+  @param[in]      Address       The starting physical address of the read.
+  @param[in,out]  NumBytes      On input, the number of bytes to read. On output, the number
+                                of bytes actually read.
+  @param[out]     Buffer        The destination data buffer for the read.
+
+  @retval         EFI_SUCCESS       Opertion is successful.
+  @retval         EFI_DEVICE_ERROR  If there is any device errors.
+
+**/
+EFI_STATUS
+EFIAPI
+SpiFlashRead (
+  IN     UINTN                        Address,
+  IN OUT UINT32                       *NumBytes,
+     OUT UINT8                        *Buffer
+  );
+
+/**
+  Write NumBytes bytes of data from Buffer to the address specified by
+  PAddresss.
+
+  @param[in]      Address         The starting physical address of the write.
+  @param[in,out]  NumBytes        On input, the number of bytes to write. On output,
+                                  the actual number of bytes written.
+  @param[in]      Buffer          The source data buffer for the write.
+
+  @retval         EFI_SUCCESS       Opertion is successful.
+  @retval         EFI_DEVICE_ERROR  If there is any device errors.
+
+**/
+EFI_STATUS
+EFIAPI
+SpiFlashWrite (
+  IN     UINTN                      Address,
+  IN OUT UINT32                     *NumBytes,
+  IN     UINT8                      *Buffer
+  );
+
+/**
+  Erase the block starting at Address.
+
+  @param[in]  Address         The starting physical address of the block to be erased.
+                              This library assume that caller garantee that the PAddress
+                              is at the starting address of this block.
+  @param[in]  NumBytes        On input, the number of bytes of the logical block to be erased.
+                              On output, the actual number of bytes erased.
+
+  @retval     EFI_SUCCESS.      Opertion is successful.
+  @retval     EFI_DEVICE_ERROR  If there is any device errors.
+
+**/
+EFI_STATUS
+EFIAPI
+SpiFlashBlockErase (
+  IN    UINTN                     Address,
+  IN    UINTN                     *NumBytes
+  );
+
+#endif
diff --git a/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dec b/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dec
index 4e87d5e852d3..e71e7b3421cd 100644
--- a/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dec
+++ b/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dec
@@ -46,6 +46,10 @@ [LibraryClasses.IA32, LibraryClasses.X64]
   #
   ReportCpuHobLib|Include/Library/ReportCpuHobLib.h
 
+  ## @libraryclass Provides services to perform SPI flash actions
+  #
+  SpiFlashCommonLib|Include/Library/SpiFlashCommonLib.h
+
 [Guids]
   ## GUID for Package token space
   # {A9F8D54E-1107-4F0A-ADD0-4587E7A4A735}
diff --git a/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dsc b/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dsc
index 1092371d848e..aeed452ed521 100644
--- a/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dsc
+++ b/Silicon/Intel/IntelSiliconPkg/IntelSiliconPkg.dsc
@@ -94,6 +94,7 @@ [Components]
   IntelSiliconPkg/Library/PeiDxeSmmBootMediaLib/DxeSmmFirmwareBootMediaLib.inf
   IntelSiliconPkg/Library/DxeAslUpdateLib/DxeAslUpdateLib.inf
   IntelSiliconPkg/Library/ReportCpuHobLib/ReportCpuHobLib.inf
+  IntelSiliconPkg/Library/SpiFlashCommonLibNull/SpiFlashCommonLibNull.inf
 
 [BuildOptions]
   *_*_*_CC_FLAGS = -D DISABLE_NEW_DEPRECATED_INTERFACES
diff --git a/Silicon/Intel/IntelSiliconPkg/Library/SpiFlashCommonLibNull/SpiFlashCommonLibNull.inf b/Silicon/Intel/IntelSiliconPkg/Library/SpiFlashCommonLibNull/SpiFlashCommonLibNull.inf
new file mode 100644
index 000000000000..f2d9e4f21d4b
--- /dev/null
+++ b/Silicon/Intel/IntelSiliconPkg/Library/SpiFlashCommonLibNull/SpiFlashCommonLibNull.inf
@@ -0,0 +1,28 @@
+### @file
+# NULL instance of Spi Flash Common Library Class
+#
+# Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+###
+
+[Defines]
+  INF_VERSION                    = 0x00010017
+  BASE_NAME                      = SpiFlashCommonLibNull
+  FILE_GUID                      = F35BBEE7-A681-443E-BB15-07AF9FABBDED
+  VERSION_STRING                 = 1.0
+  MODULE_TYPE                    = BASE
+  LIBRARY_CLASS                  = SpiFlashCommonLib
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[Packages]
+  MdePkg/MdePkg.dec
+  IntelSiliconPkg/IntelSiliconPkg.dec
+
+[Sources]
+  SpiFlashCommonLibNull.c
-- 
2.28.0.windows.1



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