Add support for accessing an entry's contents in memory-mapped SPI flash.
Signed-off-by: Simon Glass sjg@chromium.org ---
include/binman.h | 22 ++++++++++++++++++++++ lib/binman.c | 23 +++++++++++++++++++++++ 2 files changed, 45 insertions(+)
diff --git a/include/binman.h b/include/binman.h index baf49f7876..e0b92075e2 100644 --- a/include/binman.h +++ b/include/binman.h @@ -9,6 +9,8 @@ #ifndef _BINMAN_H_ #define _BINMAN_H_
+#include <dm/ofnode.h> + /** *struct binman_entry - information about a binman entry * @@ -20,6 +22,18 @@ struct binman_entry { u32 size; };
+/** + * binman_entry_map() - Look up the address of an entry in memory + * + * @parent: Parent binman node + * @name: Name of entry + * @bufp: Returns a pointer to the entry + * @sizep: Returns the size of the entry + * @return 0 on success, -EPERM if the ROM offset is not set, -ENOENT if the + * entry cannot be found, other error code other error + */ +int binman_entry_map(ofnode parent, const char *name, void **bufp, int *sizep); + /** * binman_set_rom_offset() - Set the ROM memory-map offset * @@ -41,6 +55,14 @@ void binman_set_rom_offset(int rom_offset); */ int binman_entry_find(const char *name, struct binman_entry *entry);
+/** + * binman_section_find_node() - Find a binman node + * + * @name: Name of node to look for + * @return Node that was found, ofnode_null() if not found + */ +ofnode binman_section_find_node(const char *name); + /** * binman_init() - Set up the binman symbol information * diff --git a/lib/binman.c b/lib/binman.c index 79d01230dd..ba4d82963d 100644 --- a/lib/binman.c +++ b/lib/binman.c @@ -11,6 +11,7 @@ #include <dm.h> #include <log.h> #include <malloc.h> +#include <mapmem.h>
/** * struct binman_info - Information needed by the binman library @@ -54,6 +55,28 @@ int binman_entry_find(const char *name, struct binman_entry *entry) return binman_entry_find_(binman->image, name, entry); }
+int binman_entry_map(ofnode parent, const char *name, void **bufp, int *sizep) +{ + struct binman_entry entry; + int ret; + + if (binman->rom_offset == ROM_OFFSET_NONE) + return -EPERM; + ret = binman_entry_find_(parent, name, &entry); + if (ret) + return log_msg_ret("entry", ret); + if (sizep) + *sizep = entry.size; + *bufp = map_sysmem(entry.image_pos + binman->rom_offset, entry.size); + + return 0; +} + +ofnode binman_section_find_node(const char *name) +{ + return ofnode_find_subnode(binman->image, name); +} + void binman_set_rom_offset(int rom_offset) { binman->rom_offset = rom_offset;