On Tue, Nov 25, 2008 at 3:05 PM, Wolfgang Denk <[EMAIL PROTECTED]> wrote:
> Dear Matt, > > In message <[EMAIL PROTECTED]> > you wrote: > > > > There is also no reason you can't hard-code the locations into the device > > tree, to support older U-Boots that don't know about > > /chosen/linux,log-metadata and /chosen/linux,log-buffer*. > > Actually there is such reason - U-Boot traditionally allocates the log > buffer close to the upper end of system memory, so the start address > depends on the memory size on the board, which may vary. > I think I covered that in "I can think of a bunch of reasons why it's a good idea.. " - but the current implementation is hardcoded in the kernel so there is no problem with *certain* boards having it done this way, and that information being moved from the kernel into a static entry in a device tree. -- Matt Sealey <[EMAIL PROTECTED]> Genesi, Manager, Developer Relations
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