[U-Boot] UART2 Console in u-boot

[prathika]

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
>>
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>
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