diff --git a/src/mainboard/Kconfig b/src/mainboard/Kconfig
index aec996ab0b..ec4ae8fc2b 100644
--- a/src/mainboard/Kconfig
+++ b/src/mainboard/Kconfig
@@ -44,6 +44,8 @@ config BOARD_ROMSIZE_KB_12288
 	bool
 config BOARD_ROMSIZE_KB_16384
 	bool
+config BOARD_ROMSIZE_KB_24576
+	bool
 config BOARD_ROMSIZE_KB_32768
 	bool
 config BOARD_ROMSIZE_KB_65536
@@ -63,6 +65,7 @@ choice
 	default COREBOOT_ROMSIZE_KB_10240 if BOARD_ROMSIZE_KB_10240
 	default COREBOOT_ROMSIZE_KB_12288 if BOARD_ROMSIZE_KB_12288
 	default COREBOOT_ROMSIZE_KB_16384 if BOARD_ROMSIZE_KB_16384
+	default COREBOOT_ROMSIZE_KB_24576 if BOARD_ROMSIZE_KB_24576
 	default COREBOOT_ROMSIZE_KB_32768 if BOARD_ROMSIZE_KB_32768
 	default COREBOOT_ROMSIZE_KB_65536 if BOARD_ROMSIZE_KB_65536
 	help
@@ -126,6 +129,11 @@ config COREBOOT_ROMSIZE_KB_16384
 	help
 	  Choose this option if you have a 16384 KB (16 MB) ROM chip.
 
+config COREBOOT_ROMSIZE_KB_24576
+	bool "24576 KB (24 MB)"
+	help
+	  Choose this option if you have a 24576 KB (24 MB) ROM chip.
+
 config COREBOOT_ROMSIZE_KB_32768
 	bool "32768 KB (32 MB)"
 	help
@@ -152,6 +160,7 @@ config COREBOOT_ROMSIZE_KB
 	default 10240 if COREBOOT_ROMSIZE_KB_10240
 	default 12288 if COREBOOT_ROMSIZE_KB_12288
 	default 16384 if COREBOOT_ROMSIZE_KB_16384
+	default 24576 if COREBOOT_ROMSIZE_KB_24576
 	default 32768 if COREBOOT_ROMSIZE_KB_32768
 	default 65536 if COREBOOT_ROMSIZE_KB_65536
 
@@ -169,6 +178,7 @@ config ROM_SIZE
 	default 0x00a00000 if COREBOOT_ROMSIZE_KB_10240
 	default 0x00c00000 if COREBOOT_ROMSIZE_KB_12288
 	default 0x01000000 if COREBOOT_ROMSIZE_KB_16384
+	default 0x01800000 if COREBOOT_ROMSIZE_KB_24576
 	default 0x02000000 if COREBOOT_ROMSIZE_KB_32768
 	default 0x04000000 if COREBOOT_ROMSIZE_KB_65536