* What is this "flat device tree"
@ 2006-09-07 14:36 Alex Zeffertt
2006-09-07 14:49 ` Josh Boyer
0 siblings, 1 reply; 2+ messages in thread
From: Alex Zeffertt @ 2006-09-07 14:36 UTC (permalink / raw)
To: linuxppc-embedded
Can anybody explain to me what the "flat device tree" is? The phrase comes up
often but I can't find a definition for it anywhere on the web.
TIA,
Alex
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: What is this "flat device tree"
2006-09-07 14:36 What is this "flat device tree" Alex Zeffertt
@ 2006-09-07 14:49 ` Josh Boyer
0 siblings, 0 replies; 2+ messages in thread
From: Josh Boyer @ 2006-09-07 14:49 UTC (permalink / raw)
To: Alex Zeffertt; +Cc: linuxppc-embedded
On Thu, 2006-09-07 at 15:36 +0100, Alex Zeffertt wrote:
> Can anybody explain to me what the "flat device tree" is? The phrase comes up
> often but I can't find a definition for it anywhere on the web.
See Documentation/powerpc/booting-without-of.txt in the kernel tree.
It's basically a representation of an Open Firmware device tree that has
been flattened and given to the kernel when it boots. For platforms
without Open Firmware, it needs to be constructed by the boot loader, or
using the Device Tree Compiler (DTC).
josh
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