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authorRonald G. Minnich <rminnich@gmail.com>2013-04-11 15:03:28 -0700
committerRonald G. Minnich <rminnich@gmail.com>2013-04-13 00:47:27 +0200
commitc0b972f60dbd1a3dadfc568b5245c6b0ee6df559 (patch)
treeb46cccbe95f4c95a1319596434b437e357b9c5c8 /src/lib/timestamp.c
parent2c8f81b57b20c14edf4b77d3f5dcd2bcce717180 (diff)
Exynos5250: add a microsecond timer
Add a microsecond timer, its declaration, the function to start it, and its usage. To start it, one calls timer_start(). From that point on, one can call timer_us() to find microseconds since the timer was started. We show its use in the bootblock. You want it started very early. Finally, the delay.h change having been (ironically) delayed, we create time.h and have it hold one declaration, for the timer_us() and timer_start() prototype. We feel that these two functions should become the hardware specific functions, allowing us to finally move udelay() into src/lib where it belongs. Change-Id: I19cbc2bb0089a3de88cfb94276266af38b9363c5 Signed-off-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-on: http://review.coreboot.org/3073 Tested-by: build bot (Jenkins)
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