From mboxrd@z Thu Jan 1 00:00:00 1970 From: prathika Date: Sat, 25 Apr 2009 12:01:05 +0530 Subject: [U-Boot] UART2 Console in u-boot In-Reply-To: <49F28D35.7060003@deeopl.com> References: <49E83D98.6060400@deeopl.com> <200904171107.34385.sr@denx.de> <49E84B99.8020604@deeopl.com> <200904171137.51849.sr@denx.de> <49F28D35.7060003@deeopl.com> Message-ID: <49F2AE29.20203@deeopl.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de hi, I got things working on UART2 as console....but i still have issues in relocating.. its problem in my hardware...so things are going on well... thank u Mr.Stefan for the help extended........ Thanks & Regards, Prathika R prathika wrote: > hi, > > i did add the UART2 in the serial multi infrastructure at the end of > my serial.c. > i have also configured GPIO registers for enabling UART2 Tx and Rx lines. > As I understand, these lines are also multiplexed with the boot strap > lines of the PowerPC 440EP. Will this create any issue in the > performance? > As I already mentioned I have enabled #define CONFIG_UART2_CONSOLE and > > #define UART2_BASE CFG_PERIPHERAL_BASE + 0x500 > > You have mentioned to enable the UART2 as default stdin and > stdout...where do I enable that?? > > Thanks & Regards, > Prathika R > > > Stefan Roese wrote: >> On Friday 17 April 2009, prathika wrote: >> >>> i have ported u-boot this way to my board with few changes in the >>> u-boot >>> source code and the board is up and i have tested stand alone >>> application execution also. >>> >> >> So you did a "real" board port to your custom board? Or did you >> "just" change the yosemite files? >> >> >>> Now as my requirement is that my console should be on UART2 as my UART0 >>> and UART1 are coming out as RS 422 lines and only UART2 is RS232. I did >>> some patch up work on UART0 lines and tested my u-boot porting. >>> >> >> Ah, I though you wanted the console on UART1. Ok, then my solution >> does not work for you. >> >> >>> I added a line >>> >>> #define UART2_BASE CFG_PERIPHERAL_BASE + 0x500 >>> >>> I have now changed as below and I commented checking for #define >>> UART0_CONSOLE and #define UART1_CONSOLE: >>> >>> #define UARTBASE UART2_BASE >>> >>> Is this OK?? >>> >> >> Best would be to add the 3rd UART (UART2) to the SERIAL_MULTI >> infrastructure (see end of serial.c) and use this device as >> "stdin/stdout/.." in your default environment. >> >> 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 >> ===================================================================== >> > > ------------------------------------------------------------------------ > > _______________________________________________ > U-Boot mailing list > U-Boot at lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot >