From 99af54e66d1ce2ae8e8d3f4cac91074cbf0aadfa Mon Sep 17 00:00:00 2001
From: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Date: Fri, 27 Nov 2020 15:01:54 +0800
Subject: [PATCH] mb/google/brya: Add EC smihandler

Add implementation of EC smihandler

BUG=b:174266035
TEST=Build Test

Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: I211f5755ff44514ab7ab4083f684ddd88c23fe48
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48115
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/mainboard/google/brya/Makefile.inc |  2 ++
 src/mainboard/google/brya/smihandler.c | 29 ++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 src/mainboard/google/brya/smihandler.c

diff --git a/src/mainboard/google/brya/Makefile.inc b/src/mainboard/google/brya/Makefile.inc
index a7bc42587c..a186bfc324 100644
--- a/src/mainboard/google/brya/Makefile.inc
+++ b/src/mainboard/google/brya/Makefile.inc
@@ -9,6 +9,8 @@ ramstage-$(CONFIG_CHROMEOS) += chromeos.c
 ramstage-y += mainboard.c
 ramstage-y += ec.c
 
+smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c
+
 VARIANT_DIR:=$(call strip_quotes,$(CONFIG_VARIANT_DIR))
 
 subdirs-y += variants/baseboard
diff --git a/src/mainboard/google/brya/smihandler.c b/src/mainboard/google/brya/smihandler.c
new file mode 100644
index 0000000000..9208d51613
--- /dev/null
+++ b/src/mainboard/google/brya/smihandler.c
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <cpu/x86/smm.h>
+#include <ec/google/chromeec/ec.h>
+#include <ec/google/chromeec/smm.h>
+#include <elog.h>
+#include <intelblocks/smihandler.h>
+#include <variant/ec.h>
+
+void mainboard_smi_sleep(u8 slp_typ)
+{
+	chromeec_smi_sleep(slp_typ, MAINBOARD_EC_S3_WAKE_EVENTS, MAINBOARD_EC_S5_WAKE_EVENTS);
+}
+
+int mainboard_smi_apmc(u8 apmc)
+{
+	chromeec_smi_apmc(apmc, MAINBOARD_EC_SCI_EVENTS, MAINBOARD_EC_SMI_EVENTS);
+	return 0;
+}
+
+void elog_gsmi_cb_mainboard_log_wake_source(void)
+{
+	google_chromeec_log_events(MAINBOARD_EC_LOG_EVENTS | MAINBOARD_EC_S0IX_WAKE_EVENTS);
+}
+
+void mainboard_smi_espi_handler(void)
+{
+	chromeec_smi_process_events();
+}