[U-Boot] Building u-boot for the AT91RM9200-EK circa 2008

[Jean-Christophe PLAGNIOL-VILLARD]

On 17:34 Fri 31 Oct     , Pink Boy wrote:
> 
> Hi, first post here.
> 
> vis: Building u-boot for the AT91RM9200-EK circa 2008
> 
> Is this still possible all things considered? It appears that 
> this board is left behind in a backwater sometime around 2006.
> 
> Problem is I need to compile a new version of u-boot for my 
> new board based on the AT91RM9200 and I'm having a lot of trouble. 
> My board is very closely based on the AT91RM9200-EK, pretty much 
> the same except the flash has changed. So I need to modify u-boot 
> to handle the new flash (AT49BV642D). I'm running into real 
> problems, at least for a noob.
> 
> On my board I can get two versions of u-boot to run, the 1.1.5 
> version that comes with the AT91RM9200 development kit. And an 
> ancient u-boot 1.1.1 that I got off Atmel's website which 
> surprisingly enough will write to the new flash chip I have 
> installed, even though it thinks there is only 2M installed 
> instead of 8M And I can use it to do setenv, etc and load 
> uboot 1.1.5 into flash and boot linux over the network connection.
> 
> So far so good. So my hardware works, I just need a version of 
> u-boot that supports the AT49BV642D. Patching the source seems 
> easy enough. However. Problem is that the official distribution 
> of u-boot has no support for the AT91RM9200-EK. Which is sad. 
> Very very sad.
> 
> I tried compiling u-boot from scratch using the instructions 
> on this page.
> 
> http://www.linux4sam.org/twiki/bin/view ... _x_sources
> 
> Namely,
> wget ftp://ftp.denx.de/pub/u-boot/u-boot-1.1.5.tar.bz2
> tar xvjf u-boot-1.1.5.tar.bz2
> cd u-boot-1.1.5
> 
> wget ftp://www.linux4sam.org/pub/uboot/u-boo ... 5.diff.bz2
> bzcat u-boot-1.1.5_atmel_1.5.diff.bz2 | patch -p1
> 
> Then
> 
> I fixed up two lines in the examples make file adding an .o 
> at the end in order to make the 3.81 linker happy.
> 
> Line 147 :
>   $(obj)%.srec: $(obj)%.o
> Line 150
>   $(obj)%.bin: $(obj)%.o
> 
> Then
> 
> make distclean
> make at91sam9263ek_config
> make CROSS_COMPILE=<path_to_cross-compiler/cross-compiler-prefix->
why do you try to use the at91sam9263ek board on the AT91RM9200EK?

and the AT91RM9200EK is not so far from the AT91SAM9200DK which is mainline

and they are not so much different execept some PIO settings

IIRC Ulf send some patch 2 years ago

Maybe he can resend a rebased version?

Best Regards,
J.