From 32346f0aa29eac2c91859e99dcefb401d3365784 Mon Sep 17 00:00:00 2001 From: Duncan Laurie Date: Wed, 20 Mar 2019 12:51:07 -0700 Subject: ec/google/wilco: Add function to indicate if EC uses signed FW This will be used to distinguish the mainboard SKU so that the correct EC firmware can be bundled with the board. This is read from EC RAM so it can be used by an ACPI method in the future. BUG=b:119490232 Change-Id: I71b8017fc4b88e793dfe709e1cb1ab0f0bcdc4fa Signed-off-by: Duncan Laurie Reviewed-on: https://review.coreboot.org/c/coreboot/+/32001 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh --- src/ec/google/wilco/acpi/ec_ram.asl | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/ec/google/wilco/acpi') diff --git a/src/ec/google/wilco/acpi/ec_ram.asl b/src/ec/google/wilco/acpi/ec_ram.asl index 59bd78e656..0de39475bc 100644 --- a/src/ec/google/wilco/acpi/ec_ram.asl +++ b/src/ec/google/wilco/acpi/ec_ram.asl @@ -123,6 +123,8 @@ Name (OERL, Package () { 0x3a, 0x02, RD }) /* Event: Rotation Lock */ Name (BCCY, Package () { 0x3e, 0xffff, RD }) /* BCACHE: Cycle Count */ +Name (ESGN, Package () { 0x5c, 0xff, RD }) /* Indicate EC uses signed FW */ + /* * EC RAM WRITE */ -- cgit v1.2.3