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bootloader
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drivers
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flash
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spinor
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spimem.h

spimem.h 1.3 KB
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  1. /*
    2. 

  2.  * Copyright (c) 2017 Actions Semiconductor Co., Ltd
    3. 

  3.  *
    4. 

  4.  * SPDX-License-Identifier: Apache-2.0
    5. 

  5.  */
    6. 

  6. 

  7. /**
    8. 

  8.  * @file
    9. 

  9.  * @brief common code for SPI memory (NOR & NAND & PSRAM)
    10. 

  10.  */
    11. 

  11. 

  12. #ifndef __SPIMEM_H__
    13. 

  13. #define __SPIMEM_H__
    14. 

  14. 

  15. #define SPIMEM_TFLAG_MIO_DATA		0x01
    16. 

  16. #define SPIMEM_TFLAG_MIO_ADDR_DATA	0x02
    17. 

  17. #define SPIMEM_TFLAG_MIO_CMD_ADDR_DATA	0x04
    18. 

  18. #define SPIMEM_TFLAG_MIO_MASK		0x07
    19. 

  19. #define SPIMEM_TFLAG_WRITE_DATA		0x08
    20. 

  20. #define SPIMEM_TFLAG_ENABLE_RANDOMIZE	0x10
    21. 

  21. #define SPIMEM_TFLAG_PAUSE_RANDOMIZE	0x20
    22. 

  22. #define SPIMEM_TFLAG_RESUME_RANDOMIZE	0x40
    23. 

  23. 

  24. void spimem_read_chipid(struct spi_info *si, void *chipid, int len);
    25. 

  25. unsigned char spimem_read_status(struct spi_info *si, unsigned char cmd);
    26. 

  26. 

  27. void spimem_read_page(struct spi_info *si,
    28. 

  28.         unsigned int addr, int addr_len,
    29. 

  29.         void *buf, int len);
    30. 

  30. void spimem_continuous_read_reset(struct spi_info *si);
    31. 

  31. 

  32. void spimem_set_write_protect(struct spi_info *si, int protect);
    33. 

  33. int spimem_erase_block(struct spi_info *si, unsigned int page);
    34. 

  34. 

  35. int spimem_transfer(struct spi_info *si, unsigned char cmd, unsigned int addr,
    36. 

  36.             int addr_len, void *buf, int length,
    37. 

  37.             unsigned char dummy_len, unsigned int flag);
    38. 

  38. 

  39. int spimem_write_cmd_addr(struct spi_info *si, unsigned char cmd,
    40. 

  40.               unsigned int addr, int addr_len);
    41. 

  41. 

  42. int spimem_write_cmd(struct spi_info *si, unsigned char cmd);
    43. 

  43. 

  44. #endif	/* __SPIMEM_H__ */
    45.