[U-Boot] Trying to redirect console in Gumstix Overo

[John Wilson]

I would like to change the console from UART3 to UART2 on a Gumstix Overo platform.  Here is what I have done thus far, which doesn't work (as explained below): 

Made the following tweaks in include/configs/omap3_overo.h: 

    a. Changed the console definitions to be:

            #define CONFIG_CONS_INDEX                                     2

            #define CONFIG_SYS_NS16550_COM2                      OMAP34XX_UART2

            #define CONFIG_SERIAL2                                                2

    b. Changed the console line in CONFIG_EXTRA_ENV_SETTINGS to be: 

            "console=ttyS1,115200n8\0" 

This isn't quite working.  When I initially boot the Overo, I get the following brief output (on ttyS2, not ttyS1), but then the computer doesn't boot further: 

Texas Instruments X-Loader 1.4.3 (Feb 16 2010 - 10:36:47)

Reading boot sector

Loading u-boot.bin from mmc       


What else do I need to change?   Is there some default environment or NAND settings or anything else I need to change or get rid of before this will work?  I am running of an SD card. 

Any insight is very appreciated! 

John

 

John P. Wilson
Engineer
Erigo Technologies LLC
64 Main St./P.O. Box 899
Enfield, NH 03748

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