mirror of
https://github.com/Telecominfraproject/OpenCellular.git
synced 2026-01-10 01:21:49 +00:00
801a90c3fc
Previously, the host could write to this space and corrupt the memmap data. BUG=chrome-os-partner:10210 TEST=manual From a root shell: localhost ~ # io_read32 0x960 0x574e5553 localhost ~ # io_write32 0x960 0x1234 localhost ~ # io_read32 0x960 0x574e5553 That verifies that the EC is rejecting host writes on the memmap range localhost ~ # ectool hello EC says hello! That verifies the host is still able to write to the user param range Change-Id: I8c29571f439a14f308ed73f4c641264e17f944e9 Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/25115 Reviewed-by: Bill Richardson <wfrichar@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. |
+--------------------+