60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
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#ifndef _FLASH_N25Q_H_
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#define _FLASH_N25Q_H_
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#define N25Q_PAGE_SIZE (256)
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#define N25Q_PAGE_TO_ADDR(page) (page << 8)
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#define N25Q_SUBSECTOR_TO_ADDR(subsector) (subsector << 12)
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#define N25Q_SECTOR_TO_ADDR(sector) (sector << 16)
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#define CMD_WRITE_STATUS_REG (0x01)
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#define CMD_PAGE_PROGRAM (0x02)
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#define CMD_READ (0x03)
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#define CMD_FAST_READ (0x0b)
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#define CMD_QUAD_OUTPUT_FAST_READ (0x6b)
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#define CMD_WRITE_DISABLE (0x04)
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#define CMD_READ_STATUS_REG (0x05)
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#define CMD_WRITE_ENABLE (0x06)
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#define CMD_SUBSECTOR_ERASE (0x20)
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#define CMD_CLEAR_FLAG_STATUS_REG (0x50)
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#define CMD_READ_FLAG_STATUS_REG (0x70)
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#define CMD_BULK_ERASE (0xC7)
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#define CMD_SECTOR_ERASE (0xD8)
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#define CMD_WRITE_LOCK_REG (0xE5)
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#define CMD_READ_LOCK_REG (0xE8)
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#define CMD_READ_ID (0x9F)
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#define CMD_MULTI_IO_READ_ID (0xAF)
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#define CMD_WRITE_ENHANCED_VOL_CONF_REG (0x61)
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#define CMD_READ_ENHANCED_VOL_CONF_REG (0x65)
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#define CMD_READ_VOL_CONF_REG (0x85)
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#define CMD_WRITE_VOL_CONF_REG (0x81)
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#define CMD_READ_NONVOL_CONF_REG (0xB5)
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#define DUMMY_CNT (0xa)
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typedef struct {
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uint8_t manf_id;
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uint8_t mem_type;
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uint8_t mem_cap;
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} n25q_id_t;
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void flash_n25q_init(uint32_t controller, uint16_t clk_div);
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void flash_n25q_set_spi_mode(uint8_t mode);
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void flash_n25q_set_spi_controller(uint32_t controller);
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n25q_id_t flash_n25q_read_id(uint8_t cmd);
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void flash_n25q_write_enable(uint8_t en);
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uint8_t flash_n25q_read_reg(uint8_t cmd);
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void flash_n25q_write_reg(uint8_t cmd, uint8_t data);
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uint8_t flash_n25q_read_status_reg();
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uint8_t flash_n25q_is_busy();
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void flash_n25q_read(uint8_t data[], uint32_t len, uint32_t addr);
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void flash_n25q_subsector_erase(uint32_t subsector);
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void flash_n25q_sector_erase(uint32_t sector);
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void flash_n25q_page_program(uint8_t data[], uint32_t len, uint32_t page);
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void flash_n25q_enable_quad_mode(uint8_t en);
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void flash_n25q_set_dummy_clock_cycles(uint8_t num);
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#endif
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