[PATCH/RFC] Add Alternative Log Buffer Support for printk Messages

[Wolfgang Denk]

Dear Matt,

In message <b5e2fc790811251131g63ea9444x57ec0829ca0b069e at mail.gmail.com> 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.

Best regards,

Wolfgang Denk

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