diff options
Diffstat (limited to 'spi4ba.h')
| -rw-r--r-- | spi4ba.h | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -36,6 +36,16 @@ #define JEDEC_EXIT_4_BYTE_ADDR_MODE_OUTSIZE 0x01 #define JEDEC_EXIT_4_BYTE_ADDR_MODE_INSIZE 0x00 +/* Write Extended Address Register */ +#define JEDEC_WRITE_EXT_ADDR_REG 0xC5 +#define JEDEC_WRITE_EXT_ADDR_REG_OUTSIZE 0x02 +#define JEDEC_WRITE_EXT_ADDR_REG_INSIZE 0x00 + +/* Read Extended Address Register */ +#define JEDEC_READ_EXT_ADDR_REG 0xC8 +#define JEDEC_READ_EXT_ADDR_REG_OUTSIZE 0x01 +#define JEDEC_READ_EXT_ADDR_REG_INSIZE 0x01 + /* enter 4-bytes addressing mode */ int spi_enter_4ba_b7(struct flashctx *flash); int spi_enter_4ba_b7_we(struct flashctx *flash); @@ -50,5 +60,15 @@ int spi_block_erase_20_4ba(struct flashctx *flash, unsigned int addr, unsigned i int spi_block_erase_52_4ba(struct flashctx *flash, unsigned int addr, unsigned int blocklen); int spi_block_erase_d8_4ba(struct flashctx *flash, unsigned int addr, unsigned int blocklen); +/* read/write flash bytes from 3-bytes addressing mode using extended address register */ +int spi_byte_program_4ba_ereg(struct flashctx *flash, unsigned int addr, uint8_t databyte); +int spi_nbyte_program_4ba_ereg(struct flashctx *flash, unsigned int addr, const uint8_t *bytes, unsigned int len); +int spi_nbyte_read_4ba_ereg(struct flashctx *flash, unsigned int addr, uint8_t *bytes, unsigned int len); + +/* erase flash bytes from 3-bytes addressing mode using extended address register */ +int spi_block_erase_20_4ba_ereg(struct flashctx *flash, unsigned int addr, unsigned int blocklen); +int spi_block_erase_52_4ba_ereg(struct flashctx *flash, unsigned int addr, unsigned int blocklen); +int spi_block_erase_d8_4ba_ereg(struct flashctx *flash, unsigned int addr, unsigned int blocklen); + #endif /* __SPI_4BA_H__ */ |
