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Last change
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Devices/EFI/FirmwareNew: Update to edk2-stable202302 and make it build, bugref:4643
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1018 bytes
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| 1 | /** @file
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| 2 | This file defines the hob structure for the SPI flash variable info.
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| 3 |
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| 4 | Copyright (c) 2017 - 2021, Intel Corporation. All rights reserved.<BR>
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| 5 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 6 |
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| 7 | **/
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| 8 |
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| 9 | #ifndef SPI_FLASH_INFO_GUID_H_
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| 10 | #define SPI_FLASH_INFO_GUID_H_
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| 11 |
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| 12 | #include <IndustryStandard/Acpi.h>
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| 13 | //
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| 14 | // SPI Flash infor hob GUID
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| 15 | //
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| 16 | extern EFI_GUID gSpiFlashInfoGuid;
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| 17 |
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| 18 | //
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| 19 | // Set this bit if platform need disable SMM write protection when writing flash
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| 20 | // in SMM mode using this method: -- AsmWriteMsr32 (0x1FE, MmioRead32 (0xFED30880) | BIT0);
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| 21 | //
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| 22 | #define FLAGS_SPI_DISABLE_SMM_WRITE_PROTECT BIT0
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| 23 |
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| 24 | //
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| 25 | // Reuse ACPI definition
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| 26 | //
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| 27 | typedef EFI_ACPI_3_0_GENERIC_ADDRESS_STRUCTURE PLD_GENERIC_ADDRESS;
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| 28 | #define SPACE_ID_PCI_CONFIGURATION EFI_ACPI_3_0_PCI_CONFIGURATION_SPACE
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| 29 | #define REGISTER_BIT_WIDTH_DWORD EFI_ACPI_3_0_DWORD
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| 30 |
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| 31 | typedef struct {
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| 32 | UINT8 Revision;
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| 33 | UINT8 Reserved;
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| 34 | UINT16 Flags;
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| 35 | PLD_GENERIC_ADDRESS SpiAddress;
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| 36 | } SPI_FLASH_INFO;
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| 37 |
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| 38 | #endif
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