All of lore.kernel.org
 help / color / mirror / Atom feed
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


             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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220306123830.24735-1-pali@kernel.org \
    --to=pali@kernel.org \
    --cc=marek.behun@nic.cz \
    --cc=sr@denx.de \
    --cc=u-boot@lists.denx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.