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iop: clocksource support

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This updates the IOP platform to expose the free-running
timer 1 as a clocksource object. This timer is now also
properly initialised, which requires a new write_tcr1()
function from the mach-specific code. Apart from the
explicit initialisation, there is no functional change
in how timer 1 is programmed.

Tested on n2100, compile-tested for all plat-iop machines.

Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Mikael Pettersson 2009-10-29 11:46:54 -07:00 • committed by Dan Williams
commit a91549a8f2
3 changed files with 55 additions and 0 deletions
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