[U-Boot-Users] PPC Discontiguous Memory Space

Wolfgang Denk wd at denx.de
Sat Sep 16 00:52:25 CEST 2006


In message <6331980.post at talk.nabble.com> you wrote:
> 
> We have a client building a PPC8548-based product who insists that we
> allocate DRAM real address space in two large chunks at 0-2GB and 4-6GB in
> the 36-bit address space.  It doesn't look like U-Boot's bd_info structure
> allows for that, and it doesn't look like the Linux init routines (which
> accesses the passed table) knows how to handle discontiguous memory either
> (as opposed to X86 Linux, which can accept an E820 table).

The memory map is just a matter of  software  definiton.  Ignore  the
silly request and map the RAM contiguously.

> Any comments would be VERY appreciated.

Stop people fromn doing stupid things.

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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"Sometimes it's because he hasn't had a drink."
                                     - Terry Pratchett, _Men at Arms_




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