Add debug mode
This debug mode is currently used to test the functionality of the EM100.
It will flash the LED through all 4 states (off, red, both, green) while
reading the voltage levels of all available inputs.
Next it will dump all FPGA registers.
Change-Id: I7de1991fe513798381d2a87b319f51e641e1a6ec
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/11316
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
4 files changed
