commit efc3f9526f9cfcd8614668c03b9c66b209782c41
author Pali Rohár <pali@kernel.org> Mon Sep 05 11:31:21 2022 +0200
committer Tom Rini <trini@konsulko.com> Sat Sep 24 11:34:38 2022 -0400
tree 75203cc106a2c1c340024fdb562be7c9b6d0e4e2
parent 989cc40f806b68678e10203ec3b63d38d0fdd6eb

boot: Call flush() before booting

In a lot of cases kernel resets UART HW. To ensure that U-Boot messages
printed before booting the kernel are not lost, call new U-Boot console
flush() function.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Simon Glass <sjg@chromium.org>

cmd/boot.c

diff --git a/cmd/boot.c b/cmd/boot.c
index be67a59..14839c1 100644
--- a/cmd/boot.c
+++ b/cmd/boot.c
@@ -32,6 +32,7 @@
 	addr = hextoul(argv[1], NULL);
 
 	printf ("## Starting application at 0x%08lX ...\n", addr);
+	flush();
 
 	/*
 	 * pass address parameter as argv[0] (aka command name),