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[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>
Ben Dooks 17 년 전
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1개의 변경된 파일8개의 추가작업 그리고 0개의 파일을 삭제
  1. 8 0
      arch/arm/plat-s3c24xx/sleep.S

+ 8 - 0
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