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cb1f7306b3
All of these were defined on all but a few platforms, and those explicitly #undef them. So define them as enabled by default in config.h so the board.h files are cleaner. No functional changes; just rearranging/renaming config constants. BUG=chrome-os-partner:18343 BRANCH=none TEST=build all platforms; FEATURES=test emerge-falco chromeos-ec Change-Id: I1201a1472ae29641e9e219c2a0347691ca64cd28 Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/63102 Reviewed-by: Vic Yang <victoryang@chromium.org>
- EC Lib
This wraps Blizzard driverlib and implements the EC chip interface defined
by Google. See below diagram for architecture.
+--------------------+
| Host BIOS/OS |
+--------------------+
---- host interface ----
+--------------------+
| Google EC features |
+--------------------+
---- chip interface ---- The interface is defined in
src/platform/ec/chip_interface/*.
+--------------------+ But the real implementation is in EC Lib.
| EC Lib |
+--------------------+
| Blizzard low level |
| driver, the |
| driverlib. |
+--------------------+
Build Options
=============
NOTE: see include/config.h for the current list. The information
below will be moved there over time.
- CONFIG_WATCHDOG_HELP
Try to detect a watchdog that is about to fire, and print a trace.
This is needed on STM32, where the independent watchdog has no early
warning feature and the windowed watchdog has a very short period.
- CONFIG_AC_POWER_STATUS
Monitor the state of the AC power input and drive out a GPIO to
the AP indicating this state. The GPIO will be driven low when
AC power is not connected, and high when it is connected. This
uses GPIO_AC_STATUS for this purpose.
- CONFIG_KEYBOARD_TEST
Turn on keyboard testing functionality. This enables a message which
received a list of keyscan events from the AP and processes them.
This will cause keypresses to appear on the AP through the same
mechanism as a normal keyboard press.