From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Roese Date: Tue, 11 Nov 2008 08:24:10 +0100 Subject: [U-Boot] PPC440EP UART 4port enble In-Reply-To: <001701c943c7$9b0f16a0$d12d43e0$@com> References: <001701c943c7$9b0f16a0$d12d43e0$@com> Message-ID: <200811110824.10776.sr@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Tuesday 11 November 2008, ??? wrote: > We have designed a new PPC440EP yosemite based board. > But we are using UART 4port tx,rx( 2pin UART0, 1, 2, 3) > But current It only works 2port(UART0, UART1). > I read user manual then changed u-boot's GPIO bit flag blows. > But it's now working, How can I do that? I suggest that you switch in your board port to the GPIO multiplexing initialization via the CONFIG_SYS_4xx_GPIO_TABLE definition. As an example for 440EP take a look at the pcs440ep board port. It's easier and less error prone to change the pin configuration in this table. Best regards, Stefan ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: office at denx.de =====================================================================