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authorEric Lai <eric_lai@quanta.corp-partner.google.com>2022-05-24 10:03:24 +0800
committerSubrata Banik <subratabanik@google.com>2022-07-01 07:24:07 +0000
commit8481056a53f5a42bfece355595c6dad21f2fd8f4 (patch)
treef148a19a87709fcbef6e39f293df1a3de0a1d330 /src/mainboard/google/rex
parent366fba27a8416c7303510540d926d11afb9c1459 (diff)
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>
Diffstat (limited to 'src/mainboard/google/rex')
-rw-r--r--src/mainboard/google/rex/Makefile.inc2
-rw-r--r--src/mainboard/google/rex/smihandler.c29
2 files changed, 31 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/Makefile.inc b/src/mainboard/google/rex/Makefile.inc
index 051169535e..fc26bd2731 100644
--- a/src/mainboard/google/rex/Makefile.inc
+++ b/src/mainboard/google/rex/Makefile.inc
@@ -9,6 +9,8 @@ ramstage-y += mainboard.c
ramstage-$(CONFIG_CHROMEOS) += chromeos.c
ramstage-y += ec.c
+smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c
+
VARIANT_DIR:=$(call strip_quotes,$(CONFIG_VARIANT_DIR))
BASEBOARD_DIR:=$(call strip_quotes,$(CONFIG_BASEBOARD_DIR))
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();
+}