huxi
69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
#ifndef _NORFLASH_H
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#define _NORFLASH_H
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#include "device/device.h"
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#include "ioctl_cmds.h"
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#include "spi.h"
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#include "printf.h"
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#include "gpio.h"
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#include "device_drive.h"
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#include "malloc.h"
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/*************************************************/
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/*
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COMMAND LIST - WinBond FLASH WX25X
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*/
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/***************************************************************/
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#define WINBOND_WRITE_ENABLE 0x06
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#define WINBOND_WRITE_SR_ENABLE 0x50
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#define WINBOND_READ_SR1 0x05
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#define WINBOND_READ_SR2 0x35
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#define WINBOND_WRITE_SR1 0x01
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#define WINBOND_WRITE_SR2 0x31
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#define WINBOND_READ_DATA 0x03
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#define WINBOND_FAST_READ_DATA 0x0b
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#define WINBOND_FAST_READ_DUAL_OUTPUT 0x3b
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#define WINBOND_FAST_READ_DUAL_IO 0xBB
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#define WINBOND_FAST_READ_QUAD_IO 0xEB
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// #define WINBOND_PAGE_PROGRAM 0x02
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#define WINBOND_PAGE_PROGRAM_X1 0x02
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#define WINBOND_PAGE_PROGRAM_X4 0x32
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#define WINBOND_PAGE_ERASE 0x81
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#define WINBOND_SECTOR_ERASE 0x20
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#define WINBOND_BLOCK_ERASE 0xD8
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#define WINBOND_CHIP_ERASE 0xC7
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#define WINBOND_JEDEC_ID 0x9F
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#define WINBOND_UUID 0x4B
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#define WINBOND_POWER_DOWN 0xB9
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#define WINBOND_RELEASE 0xAB
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enum {
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FLASH_PAGE_ERASER,
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FLASH_SECTOR_ERASER,
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FLASH_BLOCK_ERASER,
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FLASH_CHIP_ERASER,
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};
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struct norflash_dev_platform_data {
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int spi_hw_num; //只支持SPI1或SPI2
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u32 spi_cs_port; //cs的引脚
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u32 spi_read_width; //flash读数据的线宽
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const struct spi_platform_data *spi_pdata;
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u32 start_addr; //分区起始地址
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u32 size; //分区大小，若只有1个分区，则这个参数可以忽略
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};
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#define NORFLASH_DEV_PLATFORM_DATA_BEGIN(data) \
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const struct norflash_dev_platform_data data = {
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#define NORFLASH_DEV_PLATFORM_DATA_END() \
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};
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extern const struct device_operations norflash_dev_ops;
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extern const struct device_operations norfs_dev_ops;
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#endif
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