diff --git a/arch/x86/include/asm/fsp/fsp_api.h b/arch/x86/include/asm/fsp/fsp_api.h
index afafb30..43f0cdb 100644
--- a/arch/x86/include/asm/fsp/fsp_api.h
+++ b/arch/x86/include/asm/fsp/fsp_api.h
@@ -43,7 +43,8 @@ struct common_buf {
 	u32	stack_top;
 	u32	boot_mode;	/* Current system boot mode */
 	void	*upd_data;	/* User platform configuraiton data region */
-	u32	reserved[7];	/* Reserved */
+	u32	tolum_size;	/* Top of low usable memory size (FSP 1.1) */
+	u32	reserved[6];	/* Reserved */
 };
 
 enum fsp_phase {
diff --git a/arch/x86/include/asm/fsp/fsp_hob.h b/arch/x86/include/asm/fsp/fsp_hob.h
index 7c22bcd..8ce665e 100644
--- a/arch/x86/include/asm/fsp/fsp_hob.h
+++ b/arch/x86/include/asm/fsp/fsp_hob.h
@@ -242,4 +242,12 @@ static inline u16 get_guid_hob_data_size(const struct hob_header *hdr)
 	{ 0x82, 0xb9, 0x56, 0xa5, 0xf3, 0xe6, 0x2a, 0x07 } \
 	}
 
+/* The following GUIDs are newly introduced in FSP spec 1.1 */
+
+#define FSP_HOB_RESOURCE_OWNER_BOOTLOADER_TOLUM_GUID \
+	{ \
+	0x73ff4f56, 0xaa8e, 0x4451, \
+	{ 0xb3, 0x16, 0x36, 0x35, 0x36, 0x67, 0xad, 0x44 } \
+	}
+
 #endif