From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-lb0-x235.google.com ([2a00:1450:4010:c04::235]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZNkag-0002QK-MK for barebox@lists.infradead.org; Fri, 07 Aug 2015 16:33:56 +0000 Received: by lbbtg9 with SMTP id tg9so26021211lbb.1 for ; Fri, 07 Aug 2015 09:33:32 -0700 (PDT) Date: Fri, 7 Aug 2015 19:41:04 +0300 From: Antony Pavlov Message-Id: <20150807194104.b02642e26c441e906a1deeca@gmail.com> In-Reply-To: <55C4C388.9060102@icid.cu> References: <55C4C388.9060102@icid.cu> Mime-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: serial port weird chars ... To: Roberto Alejandro Espi Munoz Cc: barebox@lists.infradead.org On Fri, 07 Aug 2015 10:41:12 -0400 Roberto Alejandro Espi Munoz wrote: > Hi ... I'm currently having some trouble with displaying characters = > correctly in my terminal. I'm using a board equivalent to the = > mini2440. This one has a NOR and a NAND. I connect to it over a serial = > port interface. When I boot up the board in debug mode I'm able to see = > clearly the messages displayed by the S3C2440A USB Downloader which is = > copied in the NOR interface, I then download my barebox binary over the = > USB interface and when it boots I get a lot of weird characters on = > screen. The console seems to respond correctly, I issue for example the = > "reset" command and it resets but I can't make out what is displayed. = > I was guessing at first a serial port configuration problem on my = > operating system (I use Linux), tried it over on Windows and same = > effect, the first bootloader works great and barebox when starting just = > mangles the characters. > = > The other weird problem is than when I use a USB-Serial converter to = > connect to the board's serial port everything works ! > = > I'm currently using barebox 2012.09 and OpenSuse Linux 13.2 > = > Any ideas ? thanks You have the problem if you use your host computer motherboard serial port = (no matter, Linux or Windows), isn't it? And no problem if you use USB-Serial dongle. So it looks like host serial p= ort problem. Could you try to connect the board to another host computer? --=A0 Best regards, =A0 Antony Pavlov _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox