From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?utf-8?Q?Beno=C3=AEt_Th=C3=A9baudeau?= Date: Fri, 17 Aug 2012 21:35:05 +0200 (CEST) Subject: [U-Boot] [PATCH] mx5: add iomux-mx51.h include In-Reply-To: Message-ID: <163515253.2522936.1345232105380.JavaMail.root@advansee.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Dear Matt Sealey, > On Fri, Aug 17, 2012 at 1:42 PM, Beno?t Th?baudeau > wrote: > > Dear Matt Sealey, > > > > These pad settings are broken. All the pins of each peripheral > > should not always > > have the same pad settings. E.g., UART input pins should have their > > pull-up > > enabled in order to avoid spurious character input if these pins > > are left > > floating from time to time. The same applies to eCSPI. > > I'm not going to comment on the quality of the pad settings, but > since > MX51 arrived in any kernel these have been the pad settings for *all* > MX51, MX53, MX6 boards and in the case of MX6 are applied in U-Boot > right now for example on mx6qsabrelite if not the others too. These > settings are in device trees now, too. > > If you want to "correct" years of reliable operation in U-Boot, go > ahead, and fix Linux while you're at it. I'm just porting the status > quo. I'm just saying that from experience. I've already seen issues related to that kind of things. Best regards, Beno?t