[PATCH v2 1/4] common: bootm: allow building using undefined IH_ARCH

[Clement Leger]

Some architectures might not want to support uImage. To do so, allow
IH_ARCH to be let undefined which will make it possible to compile boot
support.

Signed-off-by: Clement Leger <cleger at kalray.eu>
---
 common/bootm.c  | 2 +-
 include/image.h | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/common/bootm.c b/common/bootm.c
index 4110d8d6e..bea73fac3 100644
--- a/common/bootm.c
+++ b/common/bootm.c
@@ -510,7 +510,7 @@ static int bootm_open_os_uimage(struct image_data *data)
 
 	uimage_print_contents(data->os);
 
-	if (data->os->header.ih_arch != IH_ARCH) {
+	if (IH_ARCH == IH_ARCH_INVALID || data->os->header.ih_arch != IH_ARCH) {
 		printf("Unsupported Architecture 0x%x\n",
 		       data->os->header.ih_arch);
 		return -EINVAL;
diff --git a/include/image.h b/include/image.h
index 88b628bc7..0a7832f13 100644
--- a/include/image.h
+++ b/include/image.h
@@ -101,6 +101,8 @@
 #define IH_ARCH IH_ARCH_AVR32
 #elif defined(CONFIG_LINUX)
 #define IH_ARCH IH_ARCH_LINUX
+#else
+#define IH_ARCH IH_ARCH_INVALID
 #endif
 
 /*
-- 
2.17.1