Using RTEMS kernel on arm based board - bare bsp

Tue May 6 10:30:25 UTC 2008

None is close to pxa255 from I/O aspect. however, csb336/7 is arm9tdmi based
and the arm core is close.
csb336 for example. console dir contain uart driver. You can change it
according to your CPU
refer to RTEMS document for more detail on BSP/porting_to_new_cpu.

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

>  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 <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 <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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> --
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>
> Ray, Xu
>
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> --
> Thanks & Best Regards!
>
> Ray, Xu
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-- 
Thanks & Best Regards!

Ray, Xu
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