diff options
Diffstat (limited to 'include/spl.h')
| -rw-r--r-- | include/spl.h | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/include/spl.h b/include/spl.h index 83ac583..47a35ff 100644 --- a/include/spl.h +++ b/include/spl.h @@ -253,7 +253,7 @@ struct spl_image_info { * * @dev: Pointer to the device, e.g. struct mmc * * @priv: Private data for the device - * @bl_len: Block length for reading in bytes + * @bl_len: Block length for reading in bytes; must be a power of 2 * @filename: Name of the fit image file. * @read: Function to call to read from the device */ @@ -626,6 +626,34 @@ int spl_load_image_ext_os(struct spl_image_info *spl_image, struct blk_desc *block_dev, int partition); /** + * spl_load() - Parse a header and load the image + * @spl_image: Image data which will be filled in by this function + * @bootdev: The device to load from + * @info: Describes how to load additional information from @bootdev. At the + * minimum, read() and bl_len must be populated. + * @header: The image header. This should already have been loaded. It may be + * clobbered by the load process (if e.g. the load address overlaps). + * @size: The size of the image, if it is known in advance. Some boot devices + * (such as filesystems) know how big an image is before parsing the + * header. If this information is unknown, then the size will be + * determined from the header. + * @sectors: The offset from the start if @bootdev, in units of @info->bl_len. + * This should have the offset @header was loaded from. It will be + * added to any offsets passed to @info->read(). + * + * This function determines the image type (FIT, legacy, i.MX, raw, etc), calls + * the appropriate parsing function, determines the load address, and the loads + * the image from storage. It is designed to replace ad-hoc image loading which + * may not support all image types (especially when config options are + * involved). + * + * Return: 0 on success, or a negative error on failure + */ +int spl_load(struct spl_image_info *spl_image, + const struct spl_boot_device *bootdev, struct spl_load_info *info, + struct image_header *header, size_t size, size_t sector); + +/** * spl_early_init() - Set up device tree and driver model in SPL if enabled * * Call this function in board_init_f() if you want to use device tree and |