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binman: Add way to locate an entry in memory

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Add support for accessing an entry's contents in memory-mapped SPI flash.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass
2020-07-07 21:32:04 -06:00
committed by Bin Meng
parent 956a9082d3
commit 8f9877df95
2 changed files with 45 additions and 0 deletions
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22
include/binman.h
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@@ -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
*