[U-Boot-Users] Xilinx ML403/PPC U-Boot support

Peter Ryser peter.ryser at xilinx.com
Thu Feb 9 07:10:11 CET 2006


>Careful.  ML403 reference design (as-is) is not using the Xilinx option
>of using side-by-side data access (32-bit fetch out of a single 16-bit
>flash), so XIP (execution in place) is evidently NOT supported in ML403.
> However, I had a new bit file built with side-by-side data access
>enabled, but haven't yet execute out of flash (no need because ML403 has
>a big memory.)  But it correctly fetches 32-bit now.  Ping me in a week
>on my progress with XIP and flash.
>
Hmm, why do you need that? The ML403 has two flash chips and with that 
allows 32 bit wide accesses. That allows you to access the whole flash 
space and should give you much better performance than executing out of 
a 16 bit wide flash.

- Peter








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