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