[ARM] 4587/1: S3C24XX: Add magic number before resume code

Add a magic number before the resume code so
that a bootloader can check that there is an
image to resume to.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/plat-s3c24xx/sleep.S b/arch/arm/plat-s3c24xx/sleep.S
index d47113b..a646cbe 100644 (file)
--- a/arch/arm/plat-s3c24xx/sleep.S
+++ b/arch/arm/plat-s3c24xx/sleep.S
@@ -96,6 +96,14 @@ resume_with_mmu:
 s3c2410_sleep_save_phys:
        .word   0
 
+
+       /* sleep magic, to allow the bootloader to check for an valid
+        * image to resume to. Must be the first word before the
+        * s3c2410_cpu_resume entry.
+       */
+
+       .word   0x2bedf00d
+
        /* s3c2410_cpu_resume
         *
         * resume code entry for bootloader to call