From: "Pali Rohár" <pali@kernel.org>
To: "Stefan Roese" <sr@denx.de>, "Marek Behún" <marek.behun@nic.cz>
Cc: u-boot@lists.denx.de
Subject: [PATCH] tools: kwboot: Allow to specify custom baudrate only in supported operations
Date: Sun, 6 Mar 2022 13:38:30 +0100 [thread overview]
Message-ID: <20220306123830.24735-1-pali@kernel.org> (raw)
Custom baudrate different than 115200 may be specified only when kwboot is
not going to send boot/debug message pattern or when it is going to send
boot message pattern with image file (in which case baudrate change happens
after sending kwbimage header). BootROM detects boot/debug message pattern
only at baudrate 115200.
Signed-off-by: Pali Rohár <pali@kernel.org>
---
tools/kwboot.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/kwboot.c b/tools/kwboot.c
index 69d1be0f4823..f975c4a6c6ca 100644
--- a/tools/kwboot.c
+++ b/tools/kwboot.c
@@ -2128,6 +2128,10 @@ main(int argc, char **argv)
if (!bootmsg && !term && !debugmsg && !imgpath)
goto usage;
+ /* boot and debug message use baudrate 115200 */
+ if (((bootmsg && !imgpath) || debugmsg) && baudrate != 115200)
+ goto usage;
+
ttypath = argv[optind++];
if (optind != argc)
--
2.20.1
next reply other threads:[~2022-03-06 12:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-06 12:38 Pali Rohár [this message]
2022-03-06 13:05 ` [PATCH] tools: kwboot: Allow to specify custom baudrate only in supported operations Marek Behún
2022-03-07 14:35 ` Stefan Roese
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