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127 lines
4.0 KiB
C
127 lines
4.0 KiB
C
//-----------------------------------------------------------------------------
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// Borrowed initially from Arduino SPIFlash Library v.2.5.0
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// Copyright (C) 2015 by Prajwal Bhattaram.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// See LICENSE.txt for the text of the license.
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//-----------------------------------------------------------------------------
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
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// Common Instructions //
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
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#ifndef FLASHMEM_H_
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#define FLASHMEM_H_
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#include "common.h"
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#include "pmflash.h"
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// Used Command
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#define ID 0x90
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#define MANID 0x90
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#define JEDECID 0x9F
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#define READSTAT1 0x05
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#define READSTAT2 0x35
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#define WRITESTAT 0x01
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#define WRITEDISABLE 0x04
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#define WRITEENABLE 0x06
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#define READDATA 0x03
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#define FASTREAD 0x0B
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#define FASTREAD_QO 0x6B // Fast Read Quad Output, qspi, some platform unsupported(at91, haha).
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#define PAGEPROG 0x02
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#define SECTORERASE 0x20
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#define BLOCK32ERASE 0x52
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#define BLOCK64ERASE 0xD8
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#define CHIPERASE 0xC7
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#define UNIQUE_ID 0x4B
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// Not used or not support command
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#define RELEASE 0xAB
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#define POWERDOWN 0xB9
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#define SUSPEND 0x75
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#define RESUME 0x7A
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// Flash busy timeout: 20ms is the strict minimum when writing 256kb
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#define BUSY_TIMEOUT 200000L
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#define PAGESIZE 0x100
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#define WINBOND_WRITE_DELAY 0x02
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#define BUSY 0x01
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#define WRTEN 0x02
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#define SUS 0x40
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#define DUMMYBYTE 0xEE
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#define NULLBYTE 0x00
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#define NULLINT 0x0000
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#define NO_CONTINUE 0x00
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#define PASS 0x01
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#define FAIL 0x00
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// List of blocks
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#define MAX_BLOCKS 4
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#define MAX_SECTORS 16
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
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// The default values returned by different platforms are different.
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// This function is implemented by the platform.
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uint32_t Flash_DefaultBaudrate(void);
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bool FlashInit(void);
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bool FlashSetup(uint32_t baudrate);
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void FlashStop(void);
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bool Flash_UniqueID(uint8_t *uid);
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bool Flash_CheckBusy(uint32_t timeout);
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bool Flash_ReadStat1(uint8_t *status);
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bool Flash_ReadStat2(uint8_t *status);
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#ifndef AS_BOOTROM
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uint32_t Flash_GetSpiBaudrate(void);
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void Flash_SetSpiBaudrate(uint32_t baudrate);
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bool Flash_WriteEnable(void);
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bool Flash_WipeMemoryPage(uint8_t page);
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bool Flash_WipeMemory(void);
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bool Flash_Erase4k(uint8_t block, uint8_t sector);
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//bool Flash_Erase32k(uint32_t address);
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bool Flash_Erase64k(uint8_t block);
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// defs see: https://chromium.googlesource.com/chromiumos/third_party/flashrom/+/798d2adc9527f724bc5096a646cf99efdbb6b59e/flashchips.h
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typedef struct {
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uint8_t manufacturer_id;
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uint8_t device_id;
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uint8_t device_id2;
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} flash_device_type_t; // extra device_id used for the JEDEC ID read via cmd 9F
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bool Flash_ReadID(flash_device_type_t *result, bool read_jedec);
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uint16_t Flash_ReadData(uint32_t address, uint8_t *out, uint16_t len);
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uint16_t Flash_ReadDataCont(uint32_t address, uint8_t *out, uint16_t len);
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uint16_t Flash_Write(uint32_t address, uint8_t *in, uint16_t len);
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uint16_t Flash_WriteData(uint32_t address, uint8_t *in, uint16_t len);
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uint16_t Flash_WriteDataCont(uint32_t address, uint8_t *in, uint16_t len);
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void Flashmem_print_status(void);
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spi_flash_t *flash_get_info(void);
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extern uint8_t spi_flash_pages64k;
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bool FlashDetect(void);
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#endif // #ifndef AS_BOOTROM
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#endif // FLASHMEM_H_
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