diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/drivers/spi/cbfs_spi.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/drivers/spi/cbfs_spi.c b/src/drivers/spi/cbfs_spi.c index bbe9125dd5..1895b9df1e 100644 --- a/src/drivers/spi/cbfs_spi.c +++ b/src/drivers/spi/cbfs_spi.c @@ -34,10 +34,29 @@ static ssize_t spi_readat(const struct region_device *rd, void *b, return size; } +static ssize_t spi_writeat(const struct region_device *rd, const void *b, + size_t offset, size_t size) +{ + if (spi_flash_info->write(spi_flash_info, offset, size, b)) + return -1; + return size; +} + +static ssize_t spi_eraseat(const struct region_device *rd, + size_t offset, size_t size) +{ + if (spi_flash_info->erase(spi_flash_info, offset, size)) + return -1; + return size; +} + +/* Provide all operations on the same device. */ static const struct region_device_ops spi_ops = { .mmap = mmap_helper_rdev_mmap, .munmap = mmap_helper_rdev_munmap, .readat = spi_readat, + .writeat = spi_writeat, + .eraseat = spi_eraseat, }; static struct mmap_helper_region_device mdev = @@ -78,3 +97,9 @@ const struct region_device *boot_device_ro(void) return &mdev.rdev; } + +/* The read-only and read-write implementations are symmetric. */ +const struct region_device *boot_device_rw(void) +{ + return boot_device_ro(); +} |