diff options
Diffstat (limited to 'flash.h')
| -rw-r--r-- | flash.h | 23 |
1 files changed, 23 insertions, 0 deletions
@@ -145,6 +145,21 @@ uint32_t chip_readl(const chipaddr addr); void chip_readn(uint8_t *buf, const chipaddr addr, size_t len); void programmer_delay(int usecs); +enum spi_bitbang_master { + SPI_BITBANG_INVALID /* This must always be the last entry. */ +}; + +extern const int spi_bitbang_master_count; + +extern enum spi_bitbang_master spi_bitbang_master; + +struct spi_bitbang_master_entry { + void (*set_cs) (int val); + void (*set_sck) (int val); + void (*set_mosi) (int val); + int (*get_miso) (void); +}; + #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) enum chipbustype { @@ -444,6 +459,14 @@ int ft2232_spi_send_command(unsigned int writecnt, unsigned int readcnt, const u int ft2232_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len); int ft2232_spi_write_256(struct flashchip *flash, uint8_t *buf); +/* bitbang_spi.c */ +extern int bitbang_half_period; +extern const struct spi_bitbang_master_entry spi_bitbang_master_table[]; +int bitbang_spi_init(void); +int bitbang_spi_send_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); +int bitbang_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len); +int bitbang_spi_write_256(struct flashchip *flash, uint8_t *buf); + /* flashrom.c */ extern char *programmer_param; extern int verbose; |