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Vincent Palatin eee7778fcf stm32: use D-cache on STM32H7 
Enable the D-cache on STM32H7.
Use the ahb4 RAM region as uncached memory for DMA buffers.
Mark the serial, SPI and fingerprint DMA buffers as uncached for proper
operations.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=poppy
BUG=b:78535052, b:75068419
TEST=On ZerbleBarn, run fingerprint match.
CQ-DEPEND=CL:*616448

Change-Id: Ia33496ebde3508d3427e522cc7ba060829f8f3fd
Reviewed-on: https://chromium-review.googlesource.com/1065822
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
2018-06-04 17:23:27 -07:00
baseboard
battery: Move fuel gauge code to common
2018-06-01 17:44:20 -07:00
board
meowth_fp: update AP interrupt configuration
2018-06-04 10:09:41 -07:00
builtin
Add uint_(least|fast)*_t types
2017-08-07 19:29:13 -07:00
chip
stm32: use D-cache on STM32H7
2018-06-04 17:23:27 -07:00
common
stm32: use D-cache on STM32H7
2018-06-04 17:23:27 -07:00
core
cortex-m: add D-cache support
2018-06-04 10:09:42 -07:00
cts
eCTS: Run openocd and lsusb as a root
2017-07-08 20:38:53 -07:00
docs
g: rename usb_updater into gsctool
2017-10-10 22:13:43 -07:00
driver
bq25703: Report actual input current limit
2018-06-04 13:31:21 -07:00
extra
gsctool: add factory mode command
2018-05-31 16:22:35 -07:00
include
bq25703: Report actual input current limit
2018-06-04 13:31:21 -07:00
power
APL/GLK: Clean up UART buffer before shutdown
2018-05-23 16:47:50 -07:00
test
rsa: Further optimization of multiplications for Cortex-M0
2018-05-29 06:02:19 -07:00
util
flash_ec: stm32/npcx_uut: Set ec_boot_mode to off on exit
2018-05-30 01:02:48 -07:00
.checkpatch.conf
checkpatch: prevent stupid complaints about description title
2016-07-21 13:13:27 -07:00
.clang-format
ec: Add .clang-format
2018-05-02 22:20:48 -07:00
.gitignore
Makefile.rules: Add targets to see file size differences
2016-11-15 17:43:21 -08:00
COMMIT-QUEUE.ini
Add fizz-no-vmtest-pre-cq to the pre-cq set
2017-06-21 20:05:02 +00:00
LICENSE
Add LICENSE file to project
2012-05-11 09:11:52 -07:00
Makefile
make: add size calculations
2018-05-14 12:28:05 -07:00
Makefile.rules
Makefile.rules: Add buildalltests target
2018-05-26 00:21:41 -07:00
Makefile.toolchain
Tell linker about the arch and CPU it's linking for
2018-05-18 10:05:12 -07:00
OWNERS
Add OWNERS files
2014-04-02 19:58:53 +00:00
PRESUBMIT.cfg
PRESUBMIT: give real names
2018-05-02 22:21:09 -07:00
README
README: Add link to quick-build instructions
2015-12-07 13:49:35 -08:00
README.fmap
Update EC config and FMAP to reserve room for vboot signatures
2012-05-04 14:42:58 -07:00
setup.py
servo: add usb_console to chroot
2017-11-16 21:07:40 -08:00

README 

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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