[U-Boot] [PATCH 1/3] efi_loader: support USB boot in distro boot script

[AKASHI Takahiro]

With this patch, a removable USB mass storage device attached to the system
will also be scanned to find and boot an EFI binary (that is BOOTEFI_NAME,
see config_distro_bootcmd.h).

Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
---
 include/config_distro_bootcmd.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/config_distro_bootcmd.h b/include/config_distro_bootcmd.h
index 76e12b7bf4ee..dd47e27d6835 100644
--- a/include/config_distro_bootcmd.h
+++ b/include/config_distro_bootcmd.h
@@ -26,7 +26,12 @@
  */
 
 #define BOOTENV_SHARED_BLKDEV_BODY(devtypel) \
-		"if " #devtypel " dev ${devnum}; then " \
+		"if test " #devtypel " = usb ; then " \
+			"if " #devtypel " info ${devnum}; then " \
+				"setenv devtype " #devtypel "; " \
+				"run scan_dev_for_boot_part; " \
+			"fi;" \
+		"elif " #devtypel " dev ${devnum}; then " \
 			"setenv devtype " #devtypel "; " \
 			"run scan_dev_for_boot_part; " \
 		"fi\0"
-- 
2.19.0