[U-Boot] [PATCH v2] arm: zimage: add barebox image magic number

[Christoph Fritz <chf.fritz@googlemail.com>]

For chainboot configurations or test environments, this patch allows
booting barebox images by using command bootz.

Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
---
Changes since v1:
 - s/other-bootloader/barebox/

 arch/arm/lib/zimage.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm/lib/zimage.c b/arch/arm/lib/zimage.c
index 09ab331..bc2768b 100644
--- a/arch/arm/lib/zimage.c
+++ b/arch/arm/lib/zimage.c
@@ -9,6 +9,7 @@
 #include <common.h>
 
 #define	LINUX_ARM_ZIMAGE_MAGIC	0x016f2818
+#define	BAREBOX_IMAGE_MAGIC	0x00786f62
 
 struct arm_z_header {
 	uint32_t	code[9];
@@ -21,9 +22,10 @@ int bootz_setup(ulong image, ulong *start, ulong *end)
 {
 	struct arm_z_header *zi = (struct arm_z_header *)image;
 
-	if (zi->zi_magic != LINUX_ARM_ZIMAGE_MAGIC) {
+	if (zi->zi_magic != LINUX_ARM_ZIMAGE_MAGIC &&
+	    zi->zi_magic != BAREBOX_IMAGE_MAGICE) {
 #ifndef CONFIG_SPL_FRAMEWORK
-		puts("Bad Linux ARM zImage magic!\n");
+		puts("zimage: Bad magic!\n");
 #endif
 		return 1;
 	}
-- 
2.1.4