[U-Boot] [PATCH 4/5] spl: add possibility to force boot device

[Ilya Yanok]

Sometimes (for debugging purposes mostly but also to overcome some
hardware limitations) it's desirable to be able to force boot device to
some fixed value. This patch adds this possibility via
CONFIG_SPL_FORCE_BOOT_DEVICE option.

Signed-off-by: Ilya Yanok <ilya.yanok at cogentembedded.com>
---
 common/spl/spl.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/common/spl/spl.c b/common/spl/spl.c
index 6a5a136..37f4d38 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -177,7 +177,11 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
 	spl_board_init();
 #endif
 
+#ifdef CONFIG_SPL_FORCE_BOOT_DEVICE
+	boot_device = CONFIG_SPL_FORCE_BOOT_DEVICE;
+#else
 	boot_device = spl_boot_device();
+#endif
 	debug("boot device - %d\n", boot_device);
 	switch (boot_device) {
 #ifdef CONFIG_SPL_RAM_DEVICE
-- 
1.8.0.2