mb/starlabs/lite: Add support for VBOOT

Add the required files to support VBOOT for when it is enabled.

Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I083107b21c23f42193fc88aa174ec22850f45bc8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65705
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>

src/mainboard/starlabs/lite/Kconfig

@@ -42,6 +42,7 @@ config EC_VARIANT_DIR
 	default "glkr" if BOARD_STARLABS_LITE_GLKR
 
 config FMDFILE
+	default "src/mainboard/starlabs/lite/vboot.fmd" if VBOOT
 	default "src/mainboard/starlabs/lite/board.fmd"
 
 config MAINBOARD_DIR
@@ -76,6 +77,9 @@ config VARIANT_DIR
 	default "glk"  if BOARD_STARLABS_LITE_GLK
 	default "glkr" if BOARD_STARLABS_LITE_GLKR
 
+config VBOOT
+	select VBOOT_VBNV_FLASH
+
 config WEBCAM_USB_PORT
 	int
 	default 4 if BOARD_STARLABS_LITE_GLK

src/mainboard/starlabs/lite/Makefile.inc

@@ -5,6 +5,10 @@ subdirs-y += variants/$(VARIANT_DIR)
 
 bootblock-y += bootblock.c
 
+verstage-$(CONFIG_VBOOT) += vboot.c
+
+romstage-$(CONFIG_VBOOT) += vboot.c
+
 ramstage-y += devtree.c
 ramstage-y += mainboard.c
 ramstage-y += smbios.c

src/mainboard/starlabs/lite/vboot.c

@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <bootmode.h>
+
+int get_recovery_mode_switch(void)
+{
+	return 0;
+}

src/mainboard/starlabs/lite/vboot.fmd

@@ -0,0 +1,28 @@
+FLASH 8M {
+	# OBBP must be defined to leave space for the partition header
+	OBBP@0x382000 {
+		# The maximum size for the OBB partition is 0x36e000 because
+		# unicorn + fish = cow
+		OBB@0x0			0x36e000 {
+			RO_SECTION@0xe000		0x261800 {
+				FMAP@0x0000			0x10000
+				COREBOOT(CBFS)@0x10000		0x210000
+				GBB@0x220000			0x40000
+				RO_FRID@0x260000		0x40
+				RO_VPD(PRESERVE)@0x260800	0x1000
+			}
+			MISC_RW@0x27e000		0x40000 {
+				FPF_STATUS@0x0			0x10000
+				UNIFIED_MRC_CACHE@0x10000	0x30000 {
+					RECOVERY_MRC_CACHE@0x0		0x10000
+					RW_MRC_CACHE@0x10000		0x10000
+					RW_VAR_MRC_CACHE@0x20000	0x10000
+				}
+			}
+			RW_NVRAM(PRESERVE)@0x2be000	0x6000
+			RW_VPD(PRESERVE)@0x2c4000	0x2000
+			RW_LEGACY(CBFS)@0x2c6000	0x60000
+			SMMSTORE@0x32e000		0x40000
+		}
+	}
+}