Wei-Ning Huang 5f523464bb stm32: flash: enable data and instruction cache properly
The flash controller of STM32F4 and STM32L4 supports data and
instruction caching. Enable them properly.

BRANCH=none
BUG=b:38077127
TEST=on rose,
      > rw 0x40023c00
      read 0x40023c00 = 0x00000701

     Touch process loop is 5% faster.

Change-Id: Ibb28c0ed0c6a293547d5f0f7c6962f36fa417dd3
Signed-off-by: Wei-Ning Huang <wnhuang@google.com>
Reviewed-on: https://chromium-review.googlesource.com/497230
Commit-Ready: Wei-Ning Huang <wnhuang@chromium.org>
Tested-by: Wei-Ning Huang <wnhuang@chromium.org>
Reviewed-by: Wei-Ning Huang <wnhuang@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
2017-06-20 04:12:14 -07:00
2017-06-19 21:03:33 -07:00
2017-06-19 21:03:30 -07:00
2017-06-17 01:12:42 -07:00
2012-05-11 09:11:52 -07:00
2014-04-02 19:58:53 +00:00
2015-12-08 20:05:05 -08:00

For an overview of the Embedded Controller firmware, refer to

http://www.chromium.org/chromium-os/2014-firmware-summit

For instructions on building from source, refer to

http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly
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