diff options
Diffstat (limited to 'src/include/spi_flash.h')
| -rw-r--r-- | src/include/spi_flash.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/include/spi_flash.h b/src/include/spi_flash.h index 3a6df9ab1f..f7f3b3dbdf 100644 --- a/src/include/spi_flash.h +++ b/src/include/spi_flash.h @@ -125,4 +125,18 @@ const struct spi_flash *boot_device_spi_flash(void); int spi_flash_ctrlr_protect_region(const struct spi_flash *flash, const struct region *region); +/* + * This function is provided to support spi flash command-response transactions. + * Only 2 vectors are supported and the 'func' is called with appropriate + * write and read buffers together. This can be used for chipsets that + * have specific spi flash controllers that don't conform to the normal + * spi xfer API because they are specialized controllers and not generic. + * + * Returns 0 on success and non-zero on failure. + */ +int spi_flash_vector_helper(const struct spi_slave *slave, + struct spi_op vectors[], size_t count, + int (*func)(const struct spi_slave *slave, const void *dout, + size_t bytesout, void *din, size_t bytesin)); + #endif /* _SPI_FLASH_H_ */ |