coreboot/src
Karthikeyan Ramasubramanian 9842bef525 mb/google/skyrim: Fix ESPI communication issues
* Use dedicated ALERT pin to resolve NO_RESPONSE error/status while
getting target configuration.
* Configure the ESPI to operate at 16 MHZ since operating at 33 MHz
causes boot stall.

BUG=b:226635441
TEST=Build and Boot to OS in Skyrim. Ensure that EC <-> AP communication
is working fine through Host Command debug logs in EC console, ectool
version command.

Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Change-Id: I951afdada8ee4f917cdeba8e287e5a2ae77c97ee
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63286
Reviewed-by: Jon Murphy <jpmurphy@google.com>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2022-04-02 14:50:28 +00:00
..
acpi drivers/intel/dptf: Add support for Power participant 2022-04-01 13:45:49 +00:00
arch arch/x86/postcar: Use a separate stack for C execution 2022-04-01 22:17:19 +00:00
commonlib util/cbmem: Add FlameGraph-compatible timestamps output 2022-03-31 23:04:58 +00:00
console src/console/Kconfig: Add option to disable loglevel prefix 2022-03-30 00:02:34 +00:00
cpu cpu/intel/fit: Clear the FIT table when setting pointer 2022-04-01 09:29:24 +00:00
device device/i2c_bus: Constify i2c_busdev and i2c_link 2022-04-01 22:17:58 +00:00
drivers arch/x86/postcar: Use a separate stack for C execution 2022-04-01 22:17:19 +00:00
ec ec/starlabs/merlin: Add GLKR variant 2022-03-30 14:22:50 +00:00
include device/i2c_bus: Constify i2c_busdev and i2c_link 2022-04-01 22:17:58 +00:00
lib lib/device_tree.c: zero-initialize new DT nodes 2022-03-22 20:45:26 +00:00
mainboard mb/google/skyrim: Fix ESPI communication issues 2022-04-02 14:50:28 +00:00
northbridge nb/intel/sandybridge/acpi: Support setting PCI bars above 4G 2022-03-28 15:28:19 +00:00
security {drivers/security}: Replace cb_err_t with enum cb_err 2022-03-09 08:40:43 +00:00
soc herobrine: fix emmc and sd card clocks 2022-04-02 07:24:01 +00:00
southbridge sb/amd/hudson/spi.c: Use C over CPP conditional 2022-03-25 20:06:57 +00:00
superio Use the fallthrough statement in switch loops 2022-02-16 21:29:53 +00:00
vendorcode vendorcode/intel: Remove UDK2015 headers 2022-03-31 14:21:06 +00:00
Kconfig src/Kconfig: Update the path to 'c_start.S' for GDB_STUB config 2022-02-22 20:49:10 +00:00