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arm bootm: Allow to pass board specified atags 

Board can implement function setup_board_tags which is used for adding atags

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
utp
Pali Rohár 2012-10-19 02:00:04 +00:00 committed by Tom Rini
parent c3f8318f33
commit 89e6f13849
2 changed files with 9 additions and 0 deletions
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5
arch/arm/include/asm/setup.h
View File

@ -267,3 +267,8 @@ struct meminfo {
extern struct meminfo meminfo;
#endif
/*
* Board specified tags
*/
void setup_board_tags(struct tag **in_params);

4
arch/arm/lib/bootm.c
View File

@ -34,6 +34,7 @@
#include <libfdt.h>
#include <fdt_support.h>
#include <asm/bootm.h>
#include <linux/compiler.h>
DECLARE_GLOBAL_DATA_PTR;
@ -269,6 +270,8 @@ static int create_fdt(bootm_headers_t *images)
}
#endif
__weak void setup_board_tags(struct tag **in_params) {}
/* Subcommand: PREP */
static void boot_prep_linux(bootm_headers_t *images)
{
@ -310,6 +313,7 @@ static void boot_prep_linux(bootm_headers_t *images)
setup_initrd_tag(gd->bd, images->rd_start,
images->rd_end);
#endif
setup_board_tags(&params);
setup_end_tag(gd->bd);
#else /* all tags */
printf("FDT and ATAGS support not compiled in - hanging\n");