Vic Yang 049463f8ad stm32: Add delay after enabling peripheral clock ...

We need a dummy read after enabling AHB peripheral clock before we can
access the peripheral. For APB, we also need a dummy read for STM32F3.

BRANCH=All affected
BUG=chrome-os-partner:33007
TEST=make buildall

Change-Id: I47f4a024dca294f555428c3f2053c1d32835ebe0
Signed-off-by: Vic Yang <victoryang@google.com>
Reviewed-on: https://chromium-review.googlesource.com/246181
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Tested-by: Vic Yang <victoryang@chromium.org>
Commit-Queue: Vic Yang <victoryang@chromium.org>

2015-02-10 10:47:07 +00:00

3.0 KiB

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