From: Matwey V. Kornilov <matwey.kornilov@gmail.com>
To: u-boot@lists.denx.de
Subject: am335x uart boot
Date: Sat, 17 Oct 2020 14:14:07 +0300 [thread overview]
Message-ID: <rmejlv$26a$1@ciao.gmane.io> (raw)
In-Reply-To: <rm14o7$v44$1@ciao.gmane.io>
12.10.2020 11:39, Matwey V. Kornilov ?????:
> Hello,
>
> I am trying to provide u-boot via uart to am335x bootrom (I use
> BeagleBone Black board). Has anyone succeeded on it?
>
> The CPU technical reference says that I have to use X-Modem 1K to load
> the firmware. I am trying to reach this with screen and sx command.
>
> In the serial console I see transmission invitation from the hardware
> side: 'C'.
> When I use sx --1k -X to transmit the binary there are no data accepted.
> When I use sx -X (with 128 byte frame) the transmission is running until
> hardware sends "Cancel" command in the middle.
>
> I've also tried minicom terminal. It behaves like X-Modem 128 byte
> transmission with no success.
>
>
Now I believe this was due to transmission errors. I've taken another
RS232 converter and now everything boots both with sx -X and sx --1k -X
prev parent reply other threads:[~2020-10-17 11:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-12 8:39 am335x uart boot Matwey V. Kornilov
2020-10-17 11:14 ` Matwey V. Kornilov [this message]
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='rmejlv$26a$1@ciao.gmane.io' \
--to=matwey.kornilov@gmail.com \
--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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox