e5efcf8be8
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the UefiPayloadPkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Ray Ni <ray.ni@intel.com>
161 lines
4.6 KiB
C
161 lines
4.6 KiB
C
/** @file
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Flash Device Library based on SPI Flash library.
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Copyright (c) 2018 - 2021, Intel Corporation. All rights reserved. <BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiDxe.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/SpiFlashLib.h>
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/**
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Initialize spi flash device.
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@retval EFI_SUCCESS The tested spi flash device is supported.
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@retval EFI_UNSUPPORTED The tested spi flash device is not supported.
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**/
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EFI_STATUS
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EFIAPI
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LibFvbFlashDeviceInit (
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VOID
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)
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{
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return SpiConstructor ();
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}
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/**
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Read NumBytes bytes of data from the address specified by
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PAddress into Buffer.
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@param[in] PAddress The starting physical address of the read.
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@param[in,out] NumBytes On input, the number of bytes to read. On output, the number
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of bytes actually read.
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@param[out] Buffer The destination data buffer for the read.
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@retval EFI_SUCCESS. Opertion is successful.
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@retval EFI_DEVICE_ERROR If there is any device errors.
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**/
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EFI_STATUS
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EFIAPI
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LibFvbFlashDeviceRead (
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IN UINTN PAddress,
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IN OUT UINTN *NumBytes,
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OUT UINT8 *Buffer
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)
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{
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EFI_STATUS Status;
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UINT32 ByteCount;
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UINT32 RgnSize;
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UINT32 AddrOffset;
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Status = SpiGetRegionAddress (FlashRegionBios, NULL, &RgnSize);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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// BIOS region offset can be calculated by (PAddress - (0x100000000 - RgnSize))
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// which equal (PAddress + RgnSize) here.
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AddrOffset = (UINT32)((UINT32)PAddress + RgnSize);
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ByteCount = (UINT32)*NumBytes;
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return SpiFlashRead (FlashRegionBios, AddrOffset, ByteCount, Buffer);
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}
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/**
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Write NumBytes bytes of data from Buffer to the address specified by
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PAddresss.
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@param[in] PAddress The starting physical address of the write.
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@param[in,out] NumBytes On input, the number of bytes to write. On output,
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the actual number of bytes written.
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@param[in] Buffer The source data buffer for the write.
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@retval EFI_SUCCESS. Opertion is successful.
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@retval EFI_DEVICE_ERROR If there is any device errors.
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**/
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EFI_STATUS
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EFIAPI
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LibFvbFlashDeviceWrite (
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IN UINTN PAddress,
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IN OUT UINTN *NumBytes,
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IN UINT8 *Buffer
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)
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{
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EFI_STATUS Status;
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UINT32 ByteCount;
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UINT32 RgnSize;
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UINT32 AddrOffset;
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Status = SpiGetRegionAddress (FlashRegionBios, NULL, &RgnSize);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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// BIOS region offset can be calculated by (PAddress - (0x100000000 - RgnSize))
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// which equal (PAddress + RgnSize) here.
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AddrOffset = (UINT32)((UINT32)PAddress + RgnSize);
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ByteCount = (UINT32)*NumBytes;
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return SpiFlashWrite (FlashRegionBios, AddrOffset, ByteCount, Buffer);
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}
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/**
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Erase the block starting at PAddress.
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@param[in] PAddress The starting physical address of the block to be erased.
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This library assume that caller garantee that the PAddress
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is at the starting address of this block.
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@param[in] LbaLength The length of the logical block to be erased.
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@retval EFI_SUCCESS. Opertion is successful.
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@retval EFI_DEVICE_ERROR If there is any device errors.
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**/
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EFI_STATUS
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EFIAPI
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LibFvbFlashDeviceBlockErase (
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IN UINTN PAddress,
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IN UINTN LbaLength
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)
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{
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EFI_STATUS Status;
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UINT32 RgnSize;
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UINT32 AddrOffset;
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Status = SpiGetRegionAddress (FlashRegionBios, NULL, &RgnSize);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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// BIOS region offset can be calculated by (PAddress - (0x100000000 - RgnSize))
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// which equal (PAddress + RgnSize) here.
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AddrOffset = (UINT32)((UINT32)PAddress + RgnSize);
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return SpiFlashErase (FlashRegionBios, AddrOffset, (UINT32)LbaLength);
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}
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/**
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Lock or unlock the block starting at PAddress.
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@param[in] PAddress The starting physical address of region to be (un)locked.
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@param[in] LbaLength The length of the logical block to be erased.
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@param[in] Lock TRUE to lock. FALSE to unlock.
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@retval EFI_SUCCESS. Opertion is successful.
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@retval EFI_DEVICE_ERROR If there is any device errors.
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**/
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EFI_STATUS
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EFIAPI
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LibFvbFlashDeviceBlockLock (
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IN UINTN PAddress,
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IN UINTN LbaLength,
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IN BOOLEAN Lock
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)
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{
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return EFI_SUCCESS;
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}
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