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authorVincent Palatin <vpalatin@chromium.org>2014-03-13 12:38:55 -0700
committerchrome-internal-fetch <chrome-internal-fetch@google.com>2014-03-14 03:45:35 +0000
commit8dc20291b2b77cf534d1d84ea94adcb941422074 (patch)
treea69dc001fcdb42c33cfd5405ed0e12af9f62af0f /driver
parentc00675b909327f6563203b5083bbf2293188948e (diff)
downloadchrome-ec-8dc20291b2b77cf534d1d84ea94adcb941422074.tar.gz
stm32: add 32-bit timer supportstabilize-5656.B
Some STM32 variants have a 32-bit timer in addition the bunch of 16-bit timers. Add the option to use the 32-bit timer as the system clock source to lower the overhead of the timer code compared to a pair of 16-bit timers. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BRANCH=none BUG=none TEST=run the EC on STM32F072 Discovery board with 32-bit TIM2 as the clock source. Change-Id: If55c4e23a3f68dd8f6ca32e93f3a27c1743c767b Reviewed-on: https://chromium-review.googlesource.com/189861 Reviewed-by: Vic Yang <victoryang@chromium.org> Commit-Queue: Vincent Palatin <vpalatin@chromium.org> Tested-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'driver')
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