diff options
Diffstat (limited to 'include/spl.h')
-rw-r--r-- | include/spl.h | 62 |
1 files changed, 50 insertions, 12 deletions
diff --git a/include/spl.h b/include/spl.h index 8ff20ad..0952188 100644 --- a/include/spl.h +++ b/include/spl.h @@ -285,30 +285,53 @@ static inline void *spl_image_fdt_addr(struct spl_image_info *info) /** * Information required to load data from a device * - * @dev: Pointer to the device, e.g. struct mmc * * @priv: Private data for the device * @bl_len: Block length for reading in bytes - * @filename: Name of the fit image file. * @read: Function to call to read from the device */ struct spl_load_info { - void *dev; void *priv; - int bl_len; - const char *filename; /** * read() - Read from device * * @load: Information about the load state - * @sector: Sector number to read from (each @load->bl_len bytes) - * @count: Number of sectors to read + * @offset: Offset to read from in bytes. This must be a multiple of + * @load->bl_len. + * @count: Number of bytes to read. This must be a multiple of + * @load->bl_len. * @buf: Buffer to read into - * @return number of sectors read, 0 on error + * @return number of bytes read, 0 on error */ ulong (*read)(struct spl_load_info *load, ulong sector, ulong count, void *buf); +#if IS_ENABLED(CONFIG_SPL_LOAD_BLOCK) + int bl_len; +}; + +static inline int spl_get_bl_len(struct spl_load_info *info) +{ + return info->bl_len; +} + +static inline void spl_set_bl_len(struct spl_load_info *info, int bl_len) +{ + info->bl_len = bl_len; +} +#else }; +static inline int spl_get_bl_len(struct spl_load_info *info) +{ + return 1; +} + +static inline void spl_set_bl_len(struct spl_load_info *info, int bl_len) +{ + if (bl_len != 1) + panic("CONFIG_SPL_LOAD_BLOCK not enabled"); +} +#endif + /* * We need to know the position of U-Boot in memory so we can jump to it. We * allow any U-Boot binary to be used (u-boot.bin, u-boot-nodtb.bin, @@ -370,7 +393,8 @@ void *spl_load_simple_fit_fix_load(const void *fit); * spl_load_simple_fit() - Loads a fit image from a device. * @spl_image: Image description to set up * @info: Structure containing the information required to load data. - * @sector: Sector number where FIT image is located in the device + * @offset: Offset where FIT image is located in the device. Must be aligned + * to the device's bl_len. * @fdt: Pointer to the copied FIT header. * * Reads the FIT image @sector in the device. Loads u-boot image to @@ -378,12 +402,25 @@ void *spl_load_simple_fit_fix_load(const void *fit); * Returns 0 on success. */ int spl_load_simple_fit(struct spl_image_info *spl_image, - struct spl_load_info *info, ulong sector, void *fdt); + struct spl_load_info *info, ulong offset, void *fdt); #define SPL_COPY_PAYLOAD_ONLY 1 #define SPL_FIT_FOUND 2 /** + * spl_load_legacy_lzma() - Load an LZMA-compressed legacy image + * @spl_image: Image description (already set up) + * @load: Structure containing the information required to load data. + * @offset: Pointer to image + * + * Load/decompress an LZMA-compressed legacy image from the device. + * + * Return: 0 on success, or a negative error on failure + */ +int spl_load_legacy_lzma(struct spl_image_info *spl_image, + struct spl_load_info *load, ulong offset); + +/** * spl_load_legacy_img() - Loads a legacy image from a device. * @spl_image: Image description to set up * @load: Structure containing the information required to load data. @@ -404,13 +441,14 @@ int spl_load_legacy_img(struct spl_image_info *spl_image, * spl_load_imx_container() - Loads a imx container image from a device. * @spl_image: Image description to set up * @info: Structure containing the information required to load data. - * @sector: Sector number where container image is located in the device + * @sector: Offset where container image is located in the device. Must be + * aligned to the device block size. * * Reads the container image @sector in the device. Loads u-boot image to * specified load address. */ int spl_load_imx_container(struct spl_image_info *spl_image, - struct spl_load_info *info, ulong sector); + struct spl_load_info *info, ulong offset); /* SPL common functions */ void preloader_console_init(void); |