From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mikko Perttunen Subject: Re: [Resend] SHIELD (tegra114-roth) Serial Console UART Date: Sat, 14 Feb 2015 00:20:49 +0200 Message-ID: <54DE78C1.9080103@kapsi.fi> References: <61E1CB06-407A-4F7E-B5D9-BCFA8B2CCE99@ziswiler.com> <54DE775B.4020409@kapsi.fi> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <54DE775B.4020409-/1wQRMveznE@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Marcel Ziswiler , linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org List-Id: linux-tegra@vger.kernel.org On 02/14/2015 12:14 AM, Mikko Perttunen wrote: > On 02/14/2015 12:04 AM, Marcel Ziswiler wrote: >> >> >> Hi there >> >> Does by any chance anybody know how one can get a serial console UART >> on SHIELD (tegra114-roth)? I know there is some kind of a debug >> connector inside [1] similar to e.g. the one found on Cardhu albeit >> not assembled of course but is that pinout standardized? >> >> [1] https://d3nevzfk7ii3be.cloudfront.net/igi/TTSTtfTvwlwWfbhR.huge >> >> Cheers >> >> Marcel > > I remember the actual debug pads being on the bottom side of the board > on the right side of the SoC (i.e., right of the green rectangle on your > picture). Actually, I am tired and confused about the orientation of things; but anyway on the bottom side, which makes access difficult. If you go that way, someone @nvidia.com can probably look up > the UART pads for you. However, another way (that I used briefly) is to > grab one of these: > http://store.r0ck.me/products/usd-breakout-board > and with some pinmux editing get a 3V3 serial port out of the microSD slot. > > Cheers, > Mikko > >