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fdt: Load boot command from device tree

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Load boot command from /config/bootcmd of device tree if present.

Signed-off-by: Tom Wai-Hong Tam <waihong@chromium.org>
Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Che-Liang Chiou 2012-10-25 16:31:07 +00:00 committed by Gerald Van Baren
parent 202ff75375
commit 224b72e639
1 changed files with 15 additions and 1 deletions
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16
common/main.c
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@ -30,6 +30,7 @@
#include <common.h>
#include <watchdog.h>
#include <command.h>
#include <fdtdec.h>
#include <malloc.h>
#include <version.h>
#ifdef CONFIG_MODEM_SUPPORT
@ -40,6 +41,10 @@
#include <hush.h>
#endif
#ifdef CONFIG_OF_CONTROL
#include <fdtdec.h>
#endif
#include <post.h>
#include <linux/ctype.h>
#include <menu.h>
@ -284,7 +289,10 @@ void main_loop (void)
int rc = 1;
int flag;
#endif
#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0) && \
defined(CONFIG_OF_CONTROL)
char *env;
#endif
#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
char *s;
int bootdelay;
@ -380,6 +388,12 @@ void main_loop (void)
else
#endif /* CONFIG_BOOTCOUNT_LIMIT */
s = getenv ("bootcmd");
#ifdef CONFIG_OF_CONTROL
/* Allow the fdt to override the boot command */
env = fdtdec_get_config_string(gd->fdt_blob, "bootcmd");
if (env)
s = env;
#endif /* CONFIG_OF_CONTROL */
debug ("### main_loop: bootcmd=\"%s\"\n", s ? s : "<UNDEFINED>");