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authorJon Murphy <jpmurphy@google.com>2023-03-29 15:55:32 -0600
committerRaul Rangel <rrangel@chromium.org>2023-04-11 20:32:12 +0000
commit134566395fd816673dde860d8e41c147c46bfb23 (patch)
tree0ede5817e66b9b6dd89d247801a857a3cdf5cde6 /src
parenta456458db08c4ce2a1c2b7ed6dd6bd277a8059ab (diff)
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mb/google/myst: Add smihandler
Add SMI handler code for Myst platform. BUG=b:275858191 TEST=builds Signed-off-by: Jon Murphy <jpmurphy@google.com> Change-Id: I92e5e6aef7ab0b84a96d976e29ebf96b56f6f1a1 Reviewed-on: https://review.coreboot.org/c/coreboot/+/74100 Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/myst/variants/baseboard/Makefile.inc2
-rw-r--r--src/mainboard/google/myst/variants/baseboard/smihandler.c19
2 files changed, 21 insertions, 0 deletions
diff --git a/src/mainboard/google/myst/variants/baseboard/Makefile.inc b/src/mainboard/google/myst/variants/baseboard/Makefile.inc
index 9fb63f5f433b..ba096230cf99 100644
--- a/src/mainboard/google/myst/variants/baseboard/Makefile.inc
+++ b/src/mainboard/google/myst/variants/baseboard/Makefile.inc
@@ -1,3 +1,5 @@
bootblock-y += gpio.c
ramstage-y += gpio.c
+
+smm-y += smihandler.c
diff --git a/src/mainboard/google/myst/variants/baseboard/smihandler.c b/src/mainboard/google/myst/variants/baseboard/smihandler.c
new file mode 100644
index 000000000000..7d439d5c31a6
--- /dev/null
+++ b/src/mainboard/google/myst/variants/baseboard/smihandler.c
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/variants.h>
+#include <cpu/x86/smm.h>
+#include <ec/google/chromeec/ec.h>
+#include <ec/google/chromeec/smm.h>
+#include <variant/ec.h>
+
+void mainboard_smi_sleep(u8 slp_typ)
+{
+ chromeec_smi_sleep(slp_typ, MAINBOARD_EC_S0IX_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;
+}