diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2017-12-14 14:34:47 -0700 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2017-12-15 23:35:10 +0000 |
| commit | 10d65b06aebbd857759c278a18c7e9e0ba70ee6c (patch) | |
| tree | e23f541b7fbcdd5548b98d400c6b60c75c97d489 /src/include/spi_flash.h | |
| parent | 02103e34d76c12b46b57143cd11d96758219423d (diff) | |
drivers/spi/spi_flash: add flash region protection to controller
Provide a spi controller specific protection callback to take
advantage of special spi flash controllers that have internal
protection registers built into the implementation. It's an
optional callback for spi controllers.
BUG=b:69614064
Change-Id: Ie50a6ce3bbda32620a25dd26fda1af944940bf28
Signed-off-by: Aaron Durbn <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/22879
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/include/spi_flash.h')
| -rw-r--r-- | src/include/spi_flash.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/include/spi_flash.h b/src/include/spi_flash.h index e9ea50c4d2..3a6df9ab1f 100644 --- a/src/include/spi_flash.h +++ b/src/include/spi_flash.h @@ -120,4 +120,9 @@ int chipset_volatile_group_end(const struct spi_flash *flash); * if CONFIG_BOOT_DEVICE_SPI_FLASH is enabled. */ const struct spi_flash *boot_device_spi_flash(void); +/* Protect a region of spi flash using its controller, if available. Returns + * < 0 on error, else 0 on success. */ +int spi_flash_ctrlr_protect_region(const struct spi_flash *flash, + const struct region *region); + #endif /* _SPI_FLASH_H_ */ |