diff options
| -rw-r--r-- | drivers/mtd/parsers/redboot.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/mtd/parsers/redboot.c b/drivers/mtd/parsers/redboot.c index 7623ac5fc586..957538d57725 100644 --- a/drivers/mtd/parsers/redboot.c +++ b/drivers/mtd/parsers/redboot.c @@ -25,7 +25,7 @@ #include <linux/slab.h> #include <linux/init.h> #include <linux/vmalloc.h> - +#include <linux/of.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/module.h> @@ -56,6 +56,27 @@ static inline int redboot_checksum(struct fis_image_desc *img) return 1; } +static void parse_redboot_of(struct mtd_info *master) +{ + struct device_node *np; + u32 dirblock; + int ret; + + np = mtd_get_of_node(master); + if (!np) + return; + + ret = of_property_read_u32(np, "fis-index-block", &dirblock); + if (ret) + return; + + /* + * Assign the block found in the device tree to the local + * directory block pointer. + */ + directory = dirblock; +} + static int parse_redboot_partitions(struct mtd_info *master, const struct mtd_partition **pparts, struct mtd_part_parser_data *data) @@ -76,6 +97,8 @@ static int parse_redboot_partitions(struct mtd_info *master, static char nullstring[] = "unallocated"; #endif + parse_redboot_of(master); + if ( directory < 0 ) { offset = master->size + directory * master->erasesize; while (mtd_block_isbad(master, offset)) { @@ -289,9 +312,16 @@ static int parse_redboot_partitions(struct mtd_info *master, return ret; } +static const struct of_device_id mtd_parser_redboot_of_match_table[] = { + { .compatible = "redboot-fis" }, + {}, +}; +MODULE_DEVICE_TABLE(of, mtd_parser_redboot_of_match_table); + static struct mtd_part_parser redboot_parser = { .parse_fn = parse_redboot_partitions, .name = "RedBoot", + .of_match_table = mtd_parser_redboot_of_match_table, }; module_mtd_part_parser(redboot_parser); |