From 8481056a53f5a42bfece355595c6dad21f2fd8f4 Mon Sep 17 00:00:00 2001
From: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Date: Tue, 24 May 2022 10:03:24 +0800
Subject: mb/google/rex: Add EC smihandler

Add SMI handler implementation to manage power cycle,
power state transition and Chrome EC events.

BUG=b:224325352
TEST=util/abuild/abuild -p none -t google/rex -a -c max

Signed-off-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Change-Id: I10aab8257fce92aaf913a53c0c9fb6c1a4f5dea6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64623
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/mainboard/google/rex/smihandler.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 src/mainboard/google/rex/smihandler.c

(limited to 'src/mainboard/google/rex/smihandler.c')

diff --git a/src/mainboard/google/rex/smihandler.c b/src/mainboard/google/rex/smihandler.c
new file mode 100644
index 0000000000..9208d51613
--- /dev/null
+++ b/src/mainboard/google/rex/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();
+}
-- 
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