No interrupt support yet.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BUG=None
TEST=on Discovery EC console, using "gpioget" and "gpioset" commands
check we can switch the LED and read the button state.
Change-Id: I01294643d3df070a535dab5a6be02c296487fca5
Use the Independant WatchDog.
The Window WatchDog would provide a nice early warning interrupt before
actually rebooting but the max period (128 ms) is probably too short for
our purpose.
The full GPIO support and the reboot cause detection will be implemented
in later steps.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BUG=None
TEST=on Discovery board, do blocking waits of 500ms and 1500ms, and
check the latter reboots the platform and the former does not.
Change-Id: I26e4d8b26b733269b7811cc3b3a09daf98ea364a
simple UART driver to get the serial console on the USART3.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BUG=None
TEST=run on Discovery board and check we get the first message on the
UART and the console is echoing the characters.
Change-Id: Id85999a5ddbd75804e9317a1b8c2fd4afb89eb38
Run from internal clock at 16Mhz, but enable PLL to get a better
precision.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BUG=None
TEST=run on discovery board and check software is still alive after
clock initialization.
Change-Id: I8425482825015adf96c30e67a9320d0df2f4f2b7
All hardware drivers code is stubbed excepted a few configuration
settings.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BUG=None
TEST=make BOARD=discovery
Change-Id: Ic9e88a0f51ab626679c8aeb6192272e66a3f79b8
