diff options
Diffstat (limited to 'QuarkPlatformPkg/Feature/Capsule/Library/PlatformFlashAccessLib/PlatformFlashAccessLibDxe.c')
| -rw-r--r-- | QuarkPlatformPkg/Feature/Capsule/Library/PlatformFlashAccessLib/PlatformFlashAccessLibDxe.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/QuarkPlatformPkg/Feature/Capsule/Library/PlatformFlashAccessLib/PlatformFlashAccessLibDxe.c b/QuarkPlatformPkg/Feature/Capsule/Library/PlatformFlashAccessLib/PlatformFlashAccessLibDxe.c new file mode 100644 index 0000000000..839c3a726e --- /dev/null +++ b/QuarkPlatformPkg/Feature/Capsule/Library/PlatformFlashAccessLib/PlatformFlashAccessLibDxe.c @@ -0,0 +1,206 @@ +/** @file
+ Platform Flash Access library.
+
+ Copyright (c) 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.
+
+**/
+
+#include <PiDxe.h>
+
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+#include <Library/PlatformFlashAccessLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Protocol/Spi.h>
+
+//
+// SPI default opcode slots
+//
+#define SPI_OPCODE_JEDEC_ID_INDEX 0
+#define SPI_OPCODE_READ_ID_INDEX 1
+#define SPI_OPCODE_WRITE_S_INDEX 2
+#define SPI_OPCODE_WRITE_INDEX 3
+#define SPI_OPCODE_READ_INDEX 4
+#define SPI_OPCODE_ERASE_INDEX 5
+#define SPI_OPCODE_READ_S_INDEX 6
+#define SPI_OPCODE_CHIP_ERASE_INDEX 7
+
+#define SPI_ERASE_SECTOR_SIZE SIZE_4KB //This is the chipset requirement
+
+STATIC EFI_PHYSICAL_ADDRESS mInternalFdAddress;
+EFI_SPI_PROTOCOL *mSpiProtocol;
+
+/**
+ Writes specified number of bytes from the input buffer to the address
+
+ @param[in] WriteAddress The flash address to be written.
+ @param[in, out] NumBytes The number of bytes.
+ @param[in] Buffer The data buffer to be written.
+
+ @return The status of flash write.
+**/
+EFI_STATUS
+FlashFdWrite (
+ IN UINTN WriteAddress,
+ IN OUT UINTN *NumBytes,
+ IN UINT8 *Buffer
+ )
+{
+ EFI_STATUS Status;
+
+ Status = EFI_SUCCESS;
+
+ Status = mSpiProtocol->Execute (
+ mSpiProtocol,
+ SPI_OPCODE_WRITE_INDEX, // OpcodeIndex
+ 0, // PrefixOpcodeIndex
+ TRUE, // DataCycle
+ TRUE, // Atomic
+ TRUE, // ShiftOut
+ WriteAddress, // Address
+ (UINT32) (*NumBytes), // Data Number
+ Buffer,
+ EnumSpiRegionBios
+ );
+ DEBUG((DEBUG_INFO, "FlashFdWrite - 0x%x - %r\n", (UINTN)WriteAddress, Status));
+
+ AsmWbinvd ();
+
+ return Status;
+}
+
+/**
+ Erase a certain block from address LbaWriteAddress
+
+ @param[in] WriteAddress The flash address to be erased.
+
+ @return The status of flash erase.
+**/
+EFI_STATUS
+FlashFdErase (
+ IN UINTN WriteAddress
+ )
+{
+ EFI_STATUS Status;
+
+ Status = mSpiProtocol->Execute (
+ mSpiProtocol,
+ SPI_OPCODE_ERASE_INDEX, // OpcodeIndex
+ 0, // PrefixOpcodeIndex
+ FALSE, // DataCycle
+ TRUE, // Atomic
+ FALSE, // ShiftOut
+ WriteAddress, // Address
+ 0, // Data Number
+ NULL,
+ EnumSpiRegionBios // SPI_REGION_TYPE
+ );
+ DEBUG((DEBUG_INFO, "FlashFdErase - 0x%x - %r\n", (UINTN)WriteAddress, Status));
+
+ AsmWbinvd ();
+
+ return Status;
+}
+
+/**
+ Perform flash write opreation.
+
+ @param[in] FirmwareType The type of firmware.
+ @param[in] FlashAddress The address of flash device to be accessed.
+ @param[in] FlashAddressType The type of flash device address.
+ @param[in] Buffer The pointer to the data buffer.
+ @param[in] Length The length of data buffer in bytes.
+
+ @retval EFI_SUCCESS The operation returns successfully.
+ @retval EFI_WRITE_PROTECTED The flash device is read only.
+ @retval EFI_UNSUPPORTED The flash device access is unsupported.
+ @retval EFI_INVALID_PARAMETER The input parameter is not valid.
+**/
+EFI_STATUS
+EFIAPI
+PerformFlashWrite (
+ IN PLATFORM_FIRMWARE_TYPE FirmwareType,
+ IN EFI_PHYSICAL_ADDRESS FlashAddress,
+ IN FLASH_ADDRESS_TYPE FlashAddressType,
+ IN VOID *Buffer,
+ IN UINTN Length
+ )
+{
+ EFI_STATUS Status;
+ UINTN SectorNum;
+ UINTN Index;
+ UINTN NumBytes;
+
+ DEBUG((DEBUG_INFO, "PerformFlashWrite - 0x%x(%x) - 0x%x\n", (UINTN)FlashAddress, (UINTN)FlashAddressType, Length));
+ if (FlashAddressType == FlashAddressTypeAbsoluteAddress) {
+ FlashAddress = FlashAddress - mInternalFdAddress;
+ }
+
+ //
+ // Erase & Write
+ //
+ SectorNum = Length / SPI_ERASE_SECTOR_SIZE;
+ for (Index = 0; Index < SectorNum; Index++){
+ if (CompareMem(
+ (UINT8 *)(UINTN)(FlashAddress + mInternalFdAddress) + Index * SPI_ERASE_SECTOR_SIZE,
+ (UINT8 *)Buffer + Index * SPI_ERASE_SECTOR_SIZE,
+ SPI_ERASE_SECTOR_SIZE) == 0) {
+ DEBUG((DEBUG_INFO, "Sector - 0x%x - skip\n", Index));
+ continue;
+ }
+ DEBUG((DEBUG_INFO, "Sector - 0x%x - update...\n", Index));
+
+ Status = FlashFdErase (
+ (UINTN)FlashAddress + Index * SPI_ERASE_SECTOR_SIZE
+ );
+ if (Status != EFI_SUCCESS){
+ break;
+ }
+ NumBytes = SPI_ERASE_SECTOR_SIZE;
+ Status = FlashFdWrite (
+ (UINTN)FlashAddress + Index * SPI_ERASE_SECTOR_SIZE,
+ &NumBytes,
+ (UINT8 *)Buffer + Index * SPI_ERASE_SECTOR_SIZE
+ );
+ if (Status != EFI_SUCCESS){
+ break;
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Platform Flash Access Lib Constructor.
+
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.
+ @param[in] SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS Constructor returns successfully.
+**/
+EFI_STATUS
+EFIAPI
+PerformFlashAccessLibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ mInternalFdAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)PcdGet32(PcdFlashAreaBaseAddress);
+ DEBUG((DEBUG_INFO, "PcdFlashAreaBaseAddress - 0x%x\n", mInternalFdAddress));
+
+ Status = gBS->LocateProtocol(&gEfiSpiProtocolGuid, NULL, (VOID **)&mSpiProtocol);
+ ASSERT_EFI_ERROR(Status);
+
+ return EFI_SUCCESS;
+}
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