From f61ecfa1542d4b1692256a3229413167a0ab1b4b Mon Sep 17 00:00:00 2001
From: Matt DeVillier <matt.devillier@gmail.com>
Date: Mon, 1 Dec 2025 20:34:03 -0600
Subject: [PATCH] mb/google/link: Add CFR option menu support

Add CFR option menu support when using edk2 payload and SMMSTORE.
Include relevant items from Sandy/Ivybridge, C216 SB, and ChromeEC.

TEST=build/boot google/link, verify CFR option functionality.

Change-Id: I08cccf136f20018aee925372b5c181bf4b55e0cd
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/90319
Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/mainboard/google/link/Kconfig     |  1 +
 src/mainboard/google/link/Makefile.mk |  2 ++
 src/mainboard/google/link/cfr.c       | 38 +++++++++++++++++++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 src/mainboard/google/link/cfr.c

diff --git a/src/mainboard/google/link/Kconfig b/src/mainboard/google/link/Kconfig
index 17c41bd8dd..86dd014f2a 100644
--- a/src/mainboard/google/link/Kconfig
+++ b/src/mainboard/google/link/Kconfig
@@ -7,6 +7,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select AZALIA_USE_LEGACY_VERB_TABLE
 	select ACPI_GNVS_USB_CHARGECTL
 	select BOARD_ROMSIZE_KB_8192
+	select DRIVERS_OPTION_CFR_ENABLED if PAYLOAD_EDK2 && SMMSTORE
 	select EC_GOOGLE_CHROMEEC
 	select EC_GOOGLE_CHROMEEC_AUTO_FAN_CTRL
 	select EC_GOOGLE_CHROMEEC_LPC
diff --git a/src/mainboard/google/link/Makefile.mk b/src/mainboard/google/link/Makefile.mk
index 6b3f1b568c..c057bdc178 100644
--- a/src/mainboard/google/link/Makefile.mk
+++ b/src/mainboard/google/link/Makefile.mk
@@ -15,3 +15,5 @@ bootblock-y += gpio.c
 romstage-y += gpio.c
 bootblock-y += early_init.c
 romstage-y += early_init.c
+
+ramstage-$(CONFIG_DRIVERS_OPTION_CFR) += cfr.c
diff --git a/src/mainboard/google/link/cfr.c b/src/mainboard/google/link/cfr.c
new file mode 100644
index 0000000000..fb40c308d2
--- /dev/null
+++ b/src/mainboard/google/link/cfr.c
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <boot/coreboot_tables.h>
+#include <drivers/option/cfr_frontend.h>
+#include <ec/google/chromeec/cfr.h>
+#include <northbridge/intel/sandybridge/cfr.h>
+#include <southbridge/intel/bd82x6x/cfr.h>
+
+static struct sm_obj_form system = {
+	.ui_name = "System",
+	.obj_list = (const struct sm_object *[]) {
+		&gfx_uma_size,
+		&me_state,
+		&me_state_prev,
+		&nmi,
+		&sata_mode,
+		NULL
+	},
+};
+
+static struct sm_obj_form ec = {
+	.ui_name = "ChromeEC Embedded Controller",
+	.obj_list = (const struct sm_object *[]) {
+		&auto_fan_control,
+		&ec_kb_backlight,
+		NULL
+	},
+};
+static struct sm_obj_form *sm_root[] = {
+	&system,
+	&ec,
+	NULL
+};
+
+void mb_cfr_setup_menu(struct lb_cfr *cfr_root)
+{
+	cfr_write_setup_menu(cfr_root, sm_root);
+}