[Bug 1807] sparc - rtems_bsp_delay depends on the clock driver

[bugzilla-daemon at rtems.org]

https://www.rtems.org/bugzilla/show_bug.cgi?id=1807

--- Comment #2 from Joel Sherrill <joel.sherrill at oarcorp.com> 2011-05-23 13:43:14 CDT ---
(In reply to comment #0)
> On these BSPs, this is the best way to do it.  We need to
> look at initializing the counter/timer all the time but 
> not enabling the interrupt.

On the sparc BSPs, Jennifer and I think the best implementation of a small time
unit (usec and nsec someday) spin delay is with the timer/counter.  But this
requires it to be initialized.  This PR is to discuss how best to get accurate
spin delays on the sparc BSPs and change the implementation to match and not
need the clock driver in an application.

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