stm32: add embryonic support for STM32F76x
The STM32F76x is really close to the STM32F4 family, so the most concise
implementation is just using CHIP_FAMILY_STM32F4 and adding
CHIP_VARIANT_F76X.
Tune the clock settings to 180 Mhz CPU clock as the goal is performance.
(over-drive is not implemented yet to get to 216 Mhz)
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=none
BUG=none
TEST=ran on nucleo-f767zi board.
'make BOARD=nucleo-f767 flash', the red LED is on and the green LED
turns on/off when pressing the user button, UART console works properly.
Change-Id: I1f67df3aec874c965c81188df46c72de210728d9
Reviewed-on: https://chromium-review.googlesource.com/612750
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Shawn N <shawnn@chromium.org>
7 files changed
