[coreboot-gerrit] Change in coreboot[master]: mb/google/dedede: Add smihandler stub

[Karthik Ramasubramanian (Code Review)]

Karthik Ramasubramanian has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/38280 )

Change subject: mb/google/dedede: Add smihandler stub
......................................................................

mb/google/dedede: Add smihandler stub

Add stub implementation of smihandler.

BUG=b:144768001
TEST=Build test.

Change-Id: I7ab25888812bfb4578915e342b14355ccd15f5cc
Signed-off-by: Karthikeyan Ramasubramanian 
---
M src/mainboard/google/dedede/Makefile.inc
A src/mainboard/google/dedede/smihandler.c
M src/mainboard/google/dedede/variants/baseboard/gpio.c
M src/mainboard/google/dedede/variants/baseboard/include/baseboard/variants.h
4 files changed, 47 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/80/38280/1

diff --git a/src/mainboard/google/dedede/Makefile.inc b/src/mainboard/google/dedede/Makefile.inc
index 8f50113..f214544 100644
--- a/src/mainboard/google/dedede/Makefile.inc
+++ b/src/mainboard/google/dedede/Makefile.inc
@@ -2,6 +2,8 @@

ramstage-y += mainboard.c

+smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c
+
 subdirs-y += variants/baseboard
 CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/baseboard/include

diff --git a/src/mainboard/google/dedede/smihandler.c b/src/mainboard/google/dedede/smihandler.c
new file mode 100644
index 0000000..d4d9c65
--- /dev/null
+++ b/src/mainboard/google/dedede/smihandler.c
@@ -0,0 +1,33 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2020 The coreboot project Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include <arch/acpi.h>
+#include <baseboard/variants.h>
+#include <cpu/x86/smm.h>
+#include <intelblocks/smihandler.h>
+#include <soc/pm.h>
+#include <soc/gpio.h>
+#include <variant/gpio.h>
+
+void mainboard_smi_gpi_handler(const struct gpi_status *sts)
+{
+}
+
+void mainboard_smi_sleep(u8 slp_typ)
+{
+	const struct pad_config *pads;
+	size_t num;
+
+	pads = variant_sleep_gpio_table(&num);
+	gpio_configure_pads(pads, num);
+}
+
+int mainboard_smi_apmc(u8 apmc)
+{
+	return 0;
+}
diff --git a/src/mainboard/google/dedede/variants/baseboard/gpio.c b/src/mainboard/google/dedede/variants/baseboard/gpio.c
index a141a58..c43e97f 100644
--- a/src/mainboard/google/dedede/variants/baseboard/gpio.c
+++ b/src/mainboard/google/dedede/variants/baseboard/gpio.c
@@ -31,3 +31,14 @@
    *num = ARRAY_SIZE(early_gpio_table);
    return early_gpio_table;
 }
+
+/* GPIO settings before entering sleep. */
+static const struct pad_config sleep_gpio_table[] = {
+};
+
+const struct pad_config *__attribute__((weak))
+	variant_sleep_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(sleep_gpio_table);
+	return sleep_gpio_table;
+}
diff --git a/src/mainboard/google/dedede/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/dedede/variants/baseboard/include/baseboard/variants.h
index ebcd594..309b9eb 100644
--- a/src/mainboard/google/dedede/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/dedede/variants/baseboard/include/baseboard/variants.h
@@ -17,5 +17,6 @@

const struct pad_config *variant_gpio_table(size_t *num);
 const struct pad_config *variant_early_gpio_table(size_t *num);
+const struct pad_config *variant_sleep_gpio_table(size_t *num);

#endif /*__BASEBOARD_VARIANTS_H__ */