Using RTEMS kernel on arm based board - bare bsp

Tue May 6 09:51:45 UTC 2008

Hi,

    Yes, I am testing hello.exe created out of a bare BSP without any
changes.

I know the UART register address, which file to modify?

Currently for ARM, few BSPs are available with RTEMS (csb336, csb337,
edb3732, gba, gpa32). 

My question was which of these is nearer to PXA255?

Regards

Vinod

  _____  

From: xu ray [mailto:rayx.cn at gmail.com] 
Sent: Tuesday, May 06, 2008 1:45 PM
To: Vinod Kulkarni
Cc: rtems-users at rtems.com
Subject: Re: Using RTEMS kernel on arm based board - bare bsp

Bare BSP without any changes? Then after booting, the PXA's register for
uart should be the reset value, and You will have to check the datasheet for
its configurations. Do you change the memory map?
There is no BSP related PXA. You can refer to any ARM9 BSP. And add your
changes for PXA.

2008/5/6 Vinod Kulkarni <vinodk at tataelxsi.co.in>:

Hi,
    Even the kernel compiled with bare BSP would print that?
I have one more question. Which is the suitable BSP for PXA255 based board?

Regards
Vinod

-----Original Message-----
From: xu ray [mailto:rayx.cn at gmail.com]

Sent: Mon 5/5/2008 4:37 PM
To: Vinod Kulkarni
Cc: rtems-users at rtems.com
Subject: Re: Using RTEMS kernel on arm based board - bare bsp

BSP by default will not out put anything.
You serial port should get:

*** HELLO WORLD TEST ***
Hello World
END OF HELLO WORLD TEST
press any key to restart

That is the same for all ARM ports, some BSP might output debug info when
loading driver. However, I believe yours does not. You might need to check
your console driver's code.

2008/5/5 Vinod Kulkarni <vinodk at tataelxsi.co.in>:

>  Hi,
>
>     My serial port settings are:
>
> Baud - 115200
>
> Data - 8
>
> Stop - 1
>
> Parity - None
>
> Hardware flow control - None
>
> Software flow control - None
>
>
>
> Could you please tell me what is the expected behavior (I have loaded
> hello.exe file)?
>
>
>
> Regards
>
> Vinod
>  ------------------------------
>
> *From:* xu ray [mailto:rayx.cn at gmail.com]
> *Sent:* Monday, May 05, 2008 2:09 PM
> *To:* vinodk at tataelxsi.co.in
> *Cc:* rtems-users at rtems.com
> *Subject:* Re: Using RTEMS kernel on arm based board - bare bsp
>
>
>
> It is not the expected behavior.
> How about your serial port's setting, Rate/Nor/7bit.....
>
> 2008/5/5 Vinod Kulkarni <vinodk at tataelxsi.co.in>:
>
> Hi,
>
>     I am using arm based board (PXA255 based). I have built RTEMS kernel
> with bare bsp. I have my own boot-loader which is capable of loading the
> kernel. Once I load the kernel I am getting a dot (.) as the output. Could
> you please let me know whether this is the expected behavior?
>
>
>
> Regards
>
> Vinod
>
>
>
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> --
> Thanks & Best Regards!
>
> Ray, Xu
>
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--
Thanks & Best Regards!

Ray, Xu

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Ray, Xu 

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