imx: kontron-sl-mx8mm: Autostart fastboot if booted from USB

This is useful for development and manufacturing setups as fastboot
can be used without requiring any user input on the device.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>

diff --git a/board/kontron/sl-mx8mm/sl-mx8mm.c b/board/kontron/sl-mx8mm/sl-mx8mm.c
index cf71a4c..220c970 100644 (file)
--- a/board/kontron/sl-mx8mm/sl-mx8mm.c
+++ b/board/kontron/sl-mx8mm/sl-mx8mm.c
@@ -167,6 +167,11 @@ int board_late_init(void)
                env_set("touch_rst_gpio", "87");
        }
 
+       if (is_usb_boot()) {
+               env_set("bootcmd", "fastboot 0");
+               env_set("bootdelay", "0");
+       }
+
        return 0;
 }