Re: [microblaze-uclinux] Starting up questions

[John Williams <jwilliams@xxxxxxxxxxxxxx>]

Hi David,

Currently MicroBlaze is only supported in 2.4 kernels - you need to grab 
the kernel tree and uClinux-dist build environment from www.uclinux.org. 
 All of the MicroBlaze support and standard auto-configured platform 
code is in there, plus drivers and so on.

It is a shame that none of the Xilinx / PPC kernel support and drivers 
are making it into mainline trees - that seems to be the pattern when 
silicon vendors pay BigBucksLinux companies to do this stuff.

Regards,

John

David H. Lynch Jr wrote:
>    
>     I have done Linux kernel development and board bringup before. But I 
> am somewhat lost regarding to proceeding with a MicroBlaze uCLinux port.
>
>     I pulled the gnu tools from xilinx and built them for my development 
> system - though it would be nice if xilinx would just submit the 
> MicroBlaze code to GNU to get it into the
>     main gnu tools chains, then things could be built with crosstools or 
> something normal.
>
>     I pulled a recent kernel source from kernel.org.
>     I pulled and applied the coresponding uCLinux patches.
>     Unless I am fairly blind MicroBlaze is not under arch/
>     I have pulled most  of the itee/petalogic downloads. These seem to 
> add uCLinux as a target to Xilinx tools - as best as I can digest them.
>     I am not using Xilinx tools. I have done Linux 2.6 and GreenHills 
> ports for a PPC variant of the boards I am now trying to bring up using 
> the MicroBlaze.
>     I'd really rather not comment on the Xilinx Linux code - aside from 
> the fact that it isn't getting into the kernel.org kernels.
>     All I am looking for is A Linux source tree with MicroBlaze as an 
> architecture - maybe with an example platform - though the PPC platform 
> I have already done is sufficiently close to what I need I probably do 
> not need an example platform.
>
>     Where can I get a patch that adds the MicroBlaze as a architecture 
> to a uCLinux modified Linux source tree ?
>
>
>
>
> --
> Dave Lynch 					  	    DLA Systems
> Software Development:  				         Embedded Linux
> 717.627.3770 	       dhlii@xxxxxxxxxx 	  http://www.dlasys.net
> fax: 1.253.369.9244 			           Cell: 1.717.587.7774
> Over 25 years' experience in platforms, languages, and technologies too numerous to list.
>
> "Any intelligent fool can make things bigger and more complex... It takes a touch of genius - and a lot of courage to move in the opposite direction."
> Albert Einstein
>
>
> --
> Dave Lynch 					  	    DLA Systems
> Software Development:  				         Embedded Linux
> 717.627.3770 	       dhlii@xxxxxxxxxx 	  http://www.dlasys.net
> fax: 1.253.369.9244 			           Cell: 1.717.587.7774
> Over 25 years' experience in platforms, languages, and technologies too numerous to list.
>
> "Any intelligent fool can make things bigger and more complex... It takes a touch of genius - and a lot of courage to move in the opposite direction."
> Albert Einstein

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