Re: [openrisc] Success!

["patrick.pelgrims@pandora.be" <patrick.pelgrims@pandora.be>]

------------------------
 openrisc@opencores.org wrote:
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>Just thought I would let everyone know that I have finally gotten uClinux
>to run on my Digilent board with a 300K Spartan. I did have to build an 8M
>DRAM board since the Digilent board does not have any memory.
>	Basically I have synthesized the openrisc cpu with no cache, no
>multiplier, the uart 16550, a trimmed down traffic cop and an sdram
>controller that I wrote. Gate utilization is currently at 95% according to
>xst, but I think there are a few unused bits and pieces I can remove to get
>the utilization below 90%. 
>	The cpu is clocking at 25Mhz and the dram at 50Mhz. The BogoMips are at
>..81 which is pretty abysmal, but the slowness is due to the  dram
>controller. I wrote it for simplicity rather than efficiency.
>	If there is interest I can organize and post my work into cvs. 
Please do so !
>	This configuration will not operate standalone, but if someone wanted a
>low budget way to experiment with uclinux on openrisc, it is possible.
>
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>


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