pico-imx7d: Provide a way to escape the Falcon mode
When CONFIG_SPL_OS_BOOT is selected, it is still convenient to be able
to escape from Falcon mode and boot to U-Boot proper.
Add a mechanism that allows booting in U-Boot proper when the
key 'c' is entered on console at boot time.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
diff --git a/board/technexion/pico-imx7d/spl.c b/board/technexion/pico-imx7d/spl.c
index c55a35d..8955622 100644
--- a/board/technexion/pico-imx7d/spl.c
+++ b/board/technexion/pico-imx7d/spl.c
@@ -21,6 +21,10 @@
#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
+ /* Break into full U-Boot on 'c' */
+ if (serial_tstc() && serial_getc() == 'c')
+ return 1;
+
return 0;
}
#endif