[DNX#2006040142000535] [U-Boot-Users] Xilinx ML403/PPC U-Boot support

[DENX Support System]

Hello list,

inside the automatic U-Boot patch tracking system a new ticket
[DNX#2006040142000535] was created:

<snip>
> Peter Ryser wrote:
> > 
> >> 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.
> > 
> 
> Brain fart.   My ML403-derived board dropped only one flash chip down to
> one....
> 
> Please disregard note of side-by-side data fetch and ML403.  This is not
> applicable toward ML403 reference design.  XIP SHOULD BE possible out of
> linear flash, however, time is saved in the long run if you preload it
> into DDR SDRAM firstly.
> 
> True on the better execution performance using two flash chips BUT no
> need for XIP here on my part.
> 
> 
> S. Egbert
> 
> 
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</snip>

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