K 10
svn:author
V 6
adrian
K 8
svn:date
V 27
2010-08-19T02:03:12.098434Z
K 7
svn:log
V 612
Preparation work for supporting the AR91xx and AR724x.

* Implement a SoC probe function, from Linux, which determines the
  SoC family, type and revision. This only probes the AR71xx series
  SoC and (currently) panics on others.

* Migrate some of the AR71XX specific hardware init (USB device, determining
  system frequencies) into using the cpuops introduced in an earlier commit.
  Other SoC specific hardware stuff (per-device flush/WB, GPIO pin wiring,
  Ethernet PLL setup, other things I've likely missed) will be introduced in
  subsequent commits.

Reviewed by:	imp@
Obtained from:	(partially) Linux

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