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BUG=chromium-os:31902 TEST=manual 1. reboot ec 2. port80; nothing there 3. powerbtn 4. retype port80 repeatedly during boot and see it fill and then scroll Change-Id: Id227d5debbdd635332ed2f42bc0f163833031b5c Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/25442 Reviewed-by: Vadim Bendebury <vbendeb@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
=============
- 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_PANIC_NEW_STACK
When reporting a panic, change to a completely new stack. This might
help get a useful trace out a situation where the stack or stack
pointer has been corrupted.