diff --git a/src/mainboard/google/asurada/Kconfig b/src/mainboard/google/asurada/Kconfig
index 52aefa4296..9064b151ec 100644
--- a/src/mainboard/google/asurada/Kconfig
+++ b/src/mainboard/google/asurada/Kconfig
@@ -1,8 +1,14 @@
 ## SPDX-License-Identifier: GPL-2.0-only
 
-# Umbrella option to be selected by variant boards.
 config BOARD_GOOGLE_ASURADA_COMMON
-	def_bool n
+	def_bool BOARD_GOOGLE_ASURADA || \
+		 BOARD_GOOGLE_HAYATO || \
+		 BOARD_GOOGLE_SPHERION
+
+if BOARD_GOOGLE_ASURADA_COMMON
+
+config BOARD_SPECIFIC_OPTIONS
+	def_bool y
 	select RTC
 	select SOC_MEDIATEK_MT8192
 	select BOARD_ROMSIZE_KB_8192
@@ -24,17 +30,6 @@ config BOARD_GOOGLE_ASURADA_COMMON
 	select COMMONLIB_STORAGE
 	select COMMONLIB_STORAGE_MMC
 
-config BOARD_GOOGLE_ASURADA
-	select BOARD_GOOGLE_ASURADA_COMMON
-
-config BOARD_GOOGLE_HAYATO
-	select BOARD_GOOGLE_ASURADA_COMMON
-
-config BOARD_GOOGLE_SPHERION
-	select BOARD_GOOGLE_ASURADA_COMMON
-
-if BOARD_GOOGLE_ASURADA_COMMON
-
 config VBOOT
 	select EC_GOOGLE_CHROMEEC_SWITCHES
 	select VBOOT_VBNV_FLASH
diff --git a/src/mainboard/google/cherry/Kconfig b/src/mainboard/google/cherry/Kconfig
index a99d7a5f28..e3011859b4 100644
--- a/src/mainboard/google/cherry/Kconfig
+++ b/src/mainboard/google/cherry/Kconfig
@@ -1,8 +1,14 @@
 ## SPDX-License-Identifier: GPL-2.0-only
 
-# Umbrella option to be selected by variant boards.
 config BOARD_GOOGLE_CHERRY_COMMON
-	def_bool n
+	def_bool BOARD_GOOGLE_CHERRY || \
+		 BOARD_GOOGLE_DOJO || \
+		 BOARD_GOOGLE_TOMATO
+
+if BOARD_GOOGLE_CHERRY_COMMON
+
+config BOARD_SPECIFIC_OPTIONS
+	def_bool y
 	select RTC
 	select SOC_MEDIATEK_MT8195
 	select BOARD_ROMSIZE_KB_8192
@@ -23,17 +29,6 @@ config BOARD_GOOGLE_CHERRY_COMMON
 	select COMMONLIB_STORAGE
 	select COMMONLIB_STORAGE_MMC
 
-config BOARD_GOOGLE_CHERRY
-	select BOARD_GOOGLE_CHERRY_COMMON
-
-config BOARD_GOOGLE_DOJO
-	select BOARD_GOOGLE_CHERRY_COMMON
-
-config BOARD_GOOGLE_TOMATO
-	select BOARD_GOOGLE_CHERRY_COMMON
-
-if BOARD_GOOGLE_CHERRY_COMMON
-
 config VBOOT
 	select EC_GOOGLE_CHROMEEC_SWITCHES
 	select VBOOT_VBNV_FLASH
diff --git a/src/mainboard/google/corsola/Kconfig b/src/mainboard/google/corsola/Kconfig
index 805a83a26a..fe6e6d6b0b 100644
--- a/src/mainboard/google/corsola/Kconfig
+++ b/src/mainboard/google/corsola/Kconfig
@@ -1,8 +1,36 @@
 ## SPDX-License-Identifier: GPL-2.0-only
 
-# Umbrella option to be selected by variant boards.
 config BOARD_GOOGLE_CORSOLA_COMMON
-	def_bool n
+	def_bool BOARD_GOOGLE_KINGLER_COMMON || \
+		 BOARD_GOOGLE_KRABBY_COMMON || \
+		 BOARD_GOOGLE_STARYU_COMMON
+
+config BOARD_GOOGLE_KINGLER_COMMON
+	def_bool BOARD_GOOGLE_KINGLER || \
+		 BOARD_GOOGLE_PONYTA || \
+		 BOARD_GOOGLE_STEELIX || \
+		 BOARD_GOOGLE_VOLTORB
+
+config BOARD_GOOGLE_KRABBY_COMMON
+	def_bool BOARD_GOOGLE_CHINCHOU || \
+		 BOARD_GOOGLE_KRABBY || \
+		 BOARD_GOOGLE_MAGIKARP || \
+		 BOARD_GOOGLE_TENTACRUEL
+
+config BOARD_GOOGLE_STARYU_COMMON
+	def_bool BOARD_GOOGLE_STARMIE
+	select MIPI_PANEL_STA_HIMAX83102_J02
+	select MIPI_PANEL_STA_ILI9882T
+
+if BOARD_GOOGLE_CORSOLA_COMMON
+
+config CORSOLA_SDCARD_INIT
+	def_bool BOARD_GOOGLE_MAGIKARP || \
+		 BOARD_GOOGLE_TENTACRUEL || \
+		 BOARD_GOOGLE_KINGLER_COMMON
+
+config BOARD_SPECIFIC_OPTIONS
+	def_bool y
 	select SOC_MEDIATEK_MT8186
 	select BOARD_ROMSIZE_KB_8192
 	select MAINBOARD_HAS_CHROMEOS
@@ -21,62 +49,19 @@ config BOARD_GOOGLE_CORSOLA_COMMON
 	select MAINBOARD_HAS_TPM2 if VBOOT
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select HAVE_LINEAR_FRAMEBUFFER
+	select DRIVER_ANALOGIX_ANX7625 if BOARD_GOOGLE_CHINCHOU || \
+					  BOARD_GOOGLE_KINGLER || \
+					  BOARD_GOOGLE_PONYTA || \
+					  BOARD_GOOGLE_STEELIX || \
+					  BOARD_GOOGLE_VOLTORB
+	select DRIVER_PARADE_PS8640 if BOARD_GOOGLE_KRABBY || \
+				       BOARD_GOOGLE_MAGIKARP || \
+				       BOARD_GOOGLE_STEELIX || \
+				       BOARD_GOOGLE_TENTACRUEL
 	select RTC
 	select FW_CONFIG
 	select FW_CONFIG_SOURCE_CHROMEEC_CBI
 
-config BOARD_GOOGLE_KINGLER_COMMON
-	def_bool n
-	select BOARD_GOOGLE_CORSOLA_COMMON
-
-config BOARD_GOOGLE_KRABBY_COMMON
-	def_bool n
-	select BOARD_GOOGLE_CORSOLA_COMMON
-
-config BOARD_GOOGLE_STARYU_COMMON
-	def_bool n
-	select BOARD_GOOGLE_CORSOLA_COMMON
-
-config BOARD_GOOGLE_KINGLER
-	select BOARD_GOOGLE_KINGLER_COMMON
-	select DRIVER_ANALOGIX_ANX7625
-
-config BOARD_GOOGLE_PONYTA
-	select BOARD_GOOGLE_KINGLER_COMMON
-	select DRIVER_ANALOGIX_ANX7625
-
-config BOARD_GOOGLE_STEELIX
-	select BOARD_GOOGLE_KINGLER_COMMON
-	select DRIVER_ANALOGIX_ANX7625
-	select DRIVER_PARADE_PS8640
-
-config BOARD_GOOGLE_VOLTORB
-	select BOARD_GOOGLE_KINGLER_COMMON
-	select DRIVER_ANALOGIX_ANX7625
-
-config BOARD_GOOGLE_KRABBY
-	select BOARD_GOOGLE_KRABBY_COMMON
-	select DRIVER_PARADE_PS8640
-
-config BOARD_GOOGLE_CHINCHOU
-	select BOARD_GOOGLE_KRABBY_COMMON
-	select DRIVER_ANALOGIX_ANX7625
-
-config BOARD_GOOGLE_TENTACRUEL
-	select BOARD_GOOGLE_KRABBY_COMMON
-	select DRIVER_PARADE_PS8640
-
-config BOARD_GOOGLE_MAGIKARP
-	select BOARD_GOOGLE_KRABBY_COMMON
-	select DRIVER_PARADE_PS8640
-
-config BOARD_GOOGLE_STARMIE
-	select BOARD_GOOGLE_STARYU_COMMON
-	select MIPI_PANEL_STA_HIMAX83102_J02
-	select MIPI_PANEL_STA_ILI9882T
-
-if BOARD_GOOGLE_CORSOLA_COMMON
-
 config VBOOT
 	select EC_GOOGLE_CHROMEEC_SWITCHES
 	select VBOOT_VBNV_FLASH
@@ -101,13 +86,6 @@ config BOOT_DEVICE_SPI_FLASH_BUS
 	int
 	default 7
 
-config SDCARD_INIT
-	bool
-	default y if BOARD_GOOGLE_MAGIKARP
-	default y if BOARD_GOOGLE_TENTACRUEL
-	default y if BOARD_GOOGLE_KINGLER_COMMON
-	default n if BOARD_GOOGLE_KRABBY_COMMON
-
 config DRIVER_TPM_SPI_BUS
 	hex
 	default 0x2
diff --git a/src/mainboard/google/corsola/mainboard.c b/src/mainboard/google/corsola/mainboard.c
index 69e72d7d13..a6659a5b04 100644
--- a/src/mainboard/google/corsola/mainboard.c
+++ b/src/mainboard/google/corsola/mainboard.c
@@ -42,7 +42,7 @@ static void mainboard_init(struct device *dev)
 {
 	mtk_msdc_configure_emmc(true);
 
-	if (CONFIG(SDCARD_INIT)) {
+	if (CONFIG(CORSOLA_SDCARD_INIT)) {
 		printk(BIOS_INFO, "SD card init\n");
 
 		/* External SD Card connected via USB */
diff --git a/src/mainboard/google/geralt/Kconfig b/src/mainboard/google/geralt/Kconfig
index c4224412a5..feac88a102 100644
--- a/src/mainboard/google/geralt/Kconfig
+++ b/src/mainboard/google/geralt/Kconfig
@@ -1,17 +1,21 @@
 ## SPDX-License-Identifier: GPL-2.0-only
 
-# Umbrella option to be selected by variant boards.
 config BOARD_GOOGLE_GERALT_COMMON
-	def_bool n
-
-config BOARD_GOOGLE_GERALT
-	select BOARD_GOOGLE_GERALT_COMMON
-
-config BOARD_GOOGLE_CIRI
-	select BOARD_GOOGLE_GERALT_COMMON
+	def_bool BOARD_GOOGLE_CIRI || \
+		 BOARD_GOOGLE_GERALT
 
 if BOARD_GOOGLE_GERALT_COMMON
 
+config GERALT_SDCARD_INIT
+	def_bool BOARD_GOOGLE_GERALT
+
+config GERALT_USE_MAX98390
+	def_bool BOARD_GOOGLE_CIRI || \
+		 BOARD_GOOGLE_GERALT
+
+config GERALT_USE_NAU8318
+	def_bool n
+
 config VBOOT
 	select VBOOT_VBNV_FLASH
 	select EC_GOOGLE_CHROMEEC_SWITCHES
@@ -66,21 +70,4 @@ config DRIVER_TPM_I2C_ADDR
 	hex
 	default 0x50
 
-config SDCARD_INIT
-	bool
-	default y if BOARD_GOOGLE_GERALT
-	default n if BOARD_GOOGLE_CIRI
-
-choice
-	prompt "Speaker AMP for Geralt"
-	default USE_MAX98390 if BOARD_GOOGLE_GERALT || BOARD_GOOGLE_CIRI
-
-config USE_MAX98390
-	bool "MAX98390"
-
-config USE_NAU8318
-	bool "NAU8318"
-
-endchoice
-
 endif
diff --git a/src/mainboard/google/geralt/chromeos.c b/src/mainboard/google/geralt/chromeos.c
index 1144701ea3..d66b7d5233 100644
--- a/src/mainboard/google/geralt/chromeos.c
+++ b/src/mainboard/google/geralt/chromeos.c
@@ -46,19 +46,19 @@ void fill_lb_gpios(struct lb_gpios *gpios)
 
 	fill_lp_backlight_gpios(gpios);
 
-	if (CONFIG(SDCARD_INIT)) {
+	if (CONFIG(GERALT_SDCARD_INIT)) {
 		struct lb_gpio sd_card_gpios[] = {
 			{GPIO_SD_CD_ODL.id, ACTIVE_LOW, -1, "SD card detect"},
 		};
 		lb_add_gpios(gpios, sd_card_gpios, ARRAY_SIZE(sd_card_gpios));
 	}
 
-	if (CONFIG(USE_MAX98390)) {
+	if (CONFIG(GERALT_USE_MAX98390)) {
 		struct lb_gpio max98390_gpios[] = {
 			{GPIO_RST_SPKR_L.id, ACTIVE_LOW, -1, "speaker reset"},
 		};
 		lb_add_gpios(gpios, max98390_gpios, ARRAY_SIZE(max98390_gpios));
-	} else if (CONFIG(USE_NAU8318)) {
+	} else if (CONFIG(GERALT_USE_NAU8318)) {
 		struct lb_gpio nau8318_gpios[] = {
 			{GPIO_EN_SPKR.id, ACTIVE_HIGH, -1, "speaker enable"},
 			{GPIO_BEEP_ON_OD.id, ACTIVE_HIGH, -1, "beep enable"},
diff --git a/src/mainboard/google/geralt/mainboard.c b/src/mainboard/google/geralt/mainboard.c
index 4042dcefef..6bb8380a64 100644
--- a/src/mainboard/google/geralt/mainboard.c
+++ b/src/mainboard/google/geralt/mainboard.c
@@ -31,7 +31,7 @@ static void configure_i2s(void)
 
 static void configure_audio(void)
 {
-	if (CONFIG(USE_MAX98390)) {
+	if (CONFIG(GERALT_USE_MAX98390)) {
 		printk(BIOS_DEBUG, "Configure MAX98390 audio\n");
 
 		mtk_i2c_bus_init(I2C0, I2C_SPEED_FAST);
@@ -54,7 +54,7 @@ static void mainboard_init(struct device *dev)
 
 	configure_audio();
 
-	if (CONFIG(SDCARD_INIT))
+	if (CONFIG(GERALT_SDCARD_INIT))
 		mtk_msdc_configure_sdcard();
 
 	setup_usb_host();
diff --git a/src/mainboard/google/kukui/Kconfig b/src/mainboard/google/kukui/Kconfig
index f5ad431eb8..9649e25278 100644
--- a/src/mainboard/google/kukui/Kconfig
+++ b/src/mainboard/google/kukui/Kconfig
@@ -1,76 +1,33 @@
 ## SPDX-License-Identifier: GPL-2.0-only
 
-# Umbrella option to be selected by variant boards.
 config BOARD_GOOGLE_KUKUI_COMMON
-	def_bool n
+	def_bool BOARD_GOOGLE_FLAPJACK || \
+		 BOARD_GOOGLE_JACUZZI_COMMON || \
+		 BOARD_GOOGLE_KAKADU || \
+		 BOARD_GOOGLE_KATSU || \
+		 BOARD_GOOGLE_KODAMA || \
+		 BOARD_GOOGLE_KRANE || \
+		 BOARD_GOOGLE_KUKUI
 
 config BOARD_GOOGLE_JACUZZI_COMMON
-	def_bool n
-	select BOARD_GOOGLE_KUKUI_COMMON
+	def_bool BOARD_GOOGLE_BURNET || \
+		 BOARD_GOOGLE_COZMO || \
+		 BOARD_GOOGLE_DAMU || \
+		 BOARD_GOOGLE_CERISE || \
+		 BOARD_GOOGLE_ESCHE || \
+		 BOARD_GOOGLE_FENNEL || \
+		 BOARD_GOOGLE_JACUZZI || \
+		 BOARD_GOOGLE_JUNIPER || \
+		 BOARD_GOOGLE_KAPPA || \
+		 BOARD_GOOGLE_MAKOMO || \
+		 BOARD_GOOGLE_MUNNA || \
+		 BOARD_GOOGLE_PICO || \
+		 BOARD_GOOGLE_STERN || \
+		 BOARD_GOOGLE_WILLOW
 	select DRIVER_PARADE_PS8640 if BOARD_GOOGLE_JACUZZI
 	# All Jacuzzi followers are using ANX7625 except the reference board.
 	select DRIVER_ANALOGIX_ANX7625 if !BOARD_GOOGLE_JACUZZI
 
-config BOARD_GOOGLE_KUKUI
-	select BOARD_GOOGLE_KUKUI_COMMON
-
-config BOARD_GOOGLE_KRANE
-	select BOARD_GOOGLE_KUKUI_COMMON
-
-config BOARD_GOOGLE_KODAMA
-	select BOARD_GOOGLE_KUKUI_COMMON
-
-config BOARD_GOOGLE_KAKADU
-	select BOARD_GOOGLE_KUKUI_COMMON
-
-config BOARD_GOOGLE_FLAPJACK
-	select BOARD_GOOGLE_KUKUI_COMMON
-
-config BOARD_GOOGLE_KATSU
-	select BOARD_GOOGLE_KUKUI_COMMON
-
-config BOARD_GOOGLE_JACUZZI
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
-config BOARD_GOOGLE_JUNIPER
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
-config BOARD_GOOGLE_KAPPA
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
-config BOARD_GOOGLE_DAMU
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
-config BOARD_GOOGLE_CERISE
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
-config BOARD_GOOGLE_STERN
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
-config BOARD_GOOGLE_WILLOW
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
-config BOARD_GOOGLE_ESCHE
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
-config BOARD_GOOGLE_BURNET
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
-config BOARD_GOOGLE_FENNEL
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
-config BOARD_GOOGLE_COZMO
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
-config BOARD_GOOGLE_MAKOMO
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
-config BOARD_GOOGLE_MUNNA
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
-config BOARD_GOOGLE_PICO
-	select BOARD_GOOGLE_JACUZZI_COMMON
-
 if BOARD_GOOGLE_KUKUI_COMMON
 
 config VBOOT
diff --git a/src/mainboard/google/oak/Kconfig b/src/mainboard/google/oak/Kconfig
index 900b04b719..3eba1f0285 100644
--- a/src/mainboard/google/oak/Kconfig
+++ b/src/mainboard/google/oak/Kconfig
@@ -1,7 +1,14 @@
 ## SPDX-License-Identifier: GPL-2.0-only
 
 config BOARD_GOOGLE_OAK_COMMON
-	def_bool n
+	def_bool BOARD_GOOGLE_ELM || \
+		 BOARD_GOOGLE_HANA || \
+		 BOARD_GOOGLE_OAK
+
+if BOARD_GOOGLE_OAK_COMMON
+
+config BOARD_SPECIFIC_OPTIONS
+	def_bool y
 	select SOC_MEDIATEK_MT8173
 	select BOARD_ROMSIZE_KB_4096
 	select COMMON_CBFS_SPI_WRAPPER
@@ -16,17 +23,6 @@ config BOARD_GOOGLE_OAK_COMMON
 	select MAINBOARD_HAS_CHROMEOS
 	select SPI_FLASH
 
-config BOARD_GOOGLE_OAK
-	select BOARD_GOOGLE_OAK_COMMON
-
-config BOARD_GOOGLE_ELM
-	select BOARD_GOOGLE_OAK_COMMON
-
-config BOARD_GOOGLE_HANA
-	select BOARD_GOOGLE_OAK_COMMON
-
-if BOARD_GOOGLE_OAK_COMMON
-
 config VBOOT
 	select EC_GOOGLE_CHROMEEC_SWITCHES
 	select VBOOT_VBNV_FLASH