mirror of https://github.com/acidanthera/audk.git
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/** @file
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*
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* Copyright (c) 2017 Marvell International Ltd.
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*
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* SPDX-License-Identifier: BSD-2-Clause-Patent
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*
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**/
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#ifndef __NOR_FLASH_ID_LIB_H__
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#define __NOR_FLASH_ID_LIB_H__
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#include <Uefi/UefiBaseType.h>
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#define NOR_FLASH_MAX_ID_LEN 6
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typedef struct {
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/* Device name */
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UINT16 *Name;
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/*
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* JEDEC ID
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*/
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UINT8 Id[NOR_FLASH_MAX_ID_LEN];
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UINT8 IdLen;
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UINT16 PageSize;
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/*
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* Below parameters can be referred as BlockSize
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* and BlockCount, when treating the NorFlash as
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* block device.
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*/
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UINT32 SectorSize;
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UINT32 SectorCount;
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UINT16 Flags;
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#define NOR_FLASH_ERASE_4K (1 << 0) /* Use 4 KB erase blocks and CMD_ERASE_4K */
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#define NOR_FLASH_ERASE_32K (1 << 1) /* Use 32 KB erase blocks and CMD_ERASE_32K */
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#define NOR_FLASH_WRITE_FSR (1 << 2) /* Use flag status register for write */
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#define NOR_FLASH_4B_ADDR (1 << 3) /* Use 4B addressing */
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} NOR_FLASH_INFO;
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/* Vendor IDs */
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#define NOR_FLASH_ID_ATMEL 0x1f
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#define NOR_FLASH_ID_EON 0x1c
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#define NOR_FLASH_ID_GIGADEVICE 0xc8
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#define NOR_FLASH_ID_ISSI 0x9d
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#define NOR_FLASH_ID_MACRONIX 0xc2
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#define NOR_FLASH_ID_SPANSION 0x01
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#define NOR_FLASH_ID_STMICRO 0x20
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#define NOR_FLASH_ID_SST 0xbf
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#define NOR_FLASH_ID_WINDBOND 0xef
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/**
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Return an allocated copy pool of the NOR flash information structure.
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@param[in] Id Pointer to an array with JEDEC ID obtained
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from the NOR flash with READ_ID command
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(0x9f)
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@param[in out] FlashInfo Pointer to NOR flash information structure
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@param[in] AllocateForRuntime A flag specifying a type of a copy pool
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allocation (TRUE for runtime, FALSE for
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normal)
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@retval EFI_SUCCESS Operation completed successfully
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@retval EFI_NOT_FOUND No matching entry in NOR ID table found
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@retval EFI_OUT_OF_RESOURCES No pool memory available
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**/
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EFI_STATUS
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EFIAPI
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NorFlashGetInfo (
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IN UINT8 *Id,
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IN OUT NOR_FLASH_INFO **FlashInfo,
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IN BOOLEAN AllocateForRuntime
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);
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/**
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Print NOR flash information basing on data stored in
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the NOR_FLASH_INFO structure.
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@param[in] FlashInfo Pointer to NOR flash information structure
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**/
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VOID
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EFIAPI
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NorFlashPrintInfo (
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IN NOR_FLASH_INFO *Info
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);
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#endif
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