diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c
index 614528b8ef..e33496f502 100644
--- a/hw/ssi/aspeed_smc.c
+++ b/hw/ssi/aspeed_smc.c
@@ -1857,7 +1857,8 @@ static void aspeed_1030_fmc_class_init(ObjectClass *klass, const void *data)
     asc->resets            = aspeed_1030_fmc_resets;
     asc->flash_window_base = 0x80000000;
     asc->flash_window_size = 0x10000000;
-    asc->features          = ASPEED_SMC_FEATURE_DMA;
+    asc->features          = ASPEED_SMC_FEATURE_DMA |
+                             ASPEED_SMC_FEATURE_WDT_CONTROL;
     asc->dma_flash_mask    = 0x0FFFFFFC;
     asc->dma_dram_mask     = 0x000BFFFC;
     asc->dma_start_length  = 1;
diff --git a/pc-bios/ast27x0_bootrom.bin b/pc-bios/ast27x0_bootrom.bin
index 0b9b3a2360..a4c94d64da 100644
Binary files a/pc-bios/ast27x0_bootrom.bin and b/pc-bios/ast27x0_bootrom.bin differ
diff --git a/pc-bios/npcm7xx_bootrom.bin b/pc-bios/npcm7xx_bootrom.bin
index 903f126636..92282892b7 100644
Binary files a/pc-bios/npcm7xx_bootrom.bin and b/pc-bios/npcm7xx_bootrom.bin differ
diff --git a/pc-bios/npcm8xx_bootrom.bin b/pc-bios/npcm8xx_bootrom.bin
index 6370d64756..45fb40fb59 100644
Binary files a/pc-bios/npcm8xx_bootrom.bin and b/pc-bios/npcm8xx_bootrom.bin differ
diff --git a/roms/Makefile b/roms/Makefile
index 6af68a922f..4c8793c5bd 100644
--- a/roms/Makefile
+++ b/roms/Makefile
@@ -68,6 +68,7 @@ default help:
 	@echo "  u-boot.sam460      -- update u-boot.sam460"
 	@echo "  npcm7xx_bootrom    -- update vbootrom for npcm7xx"
 	@echo "  npcm8xx_bootrom    -- update vbootrom for npcm8xx"
+	@echo "  ast27x0_bootrom    -- update vbootrom for ast27x0"
 	@echo "  efi                -- update UEFI (edk2) platform firmware"
 	@echo "  opensbi32-generic  -- update OpenSBI for 32-bit generic machine"
 	@echo "  opensbi64-generic  -- update OpenSBI for 64-bit generic machine"
@@ -200,6 +201,10 @@ npcm8xx_bootrom:
 	$(MAKE) -C vbootrom/npcm8xx CROSS_COMPILE=$(aarch64_cross_prefix)
 	cp vbootrom/npcm8xx/npcm8xx_bootrom.bin ../pc-bios/npcm8xx_bootrom.bin
 
+ast27x0_bootrom:
+	$(MAKE) -C vbootrom/ast27x0 CROSS_COMPILE=$(aarch64_cross_prefix)
+	cp vbootrom/ast27x0/ast27x0_bootrom.bin ../pc-bios/ast27x0_bootrom.bin
+
 hppa-firmware:
 	$(MAKE) -C seabios-hppa parisc
 	cp seabios-hppa/out/hppa-firmware.img      ../pc-bios/
diff --git a/roms/vbootrom b/roms/vbootrom
index 1287b6e42e..183c9ff805 160000
--- a/roms/vbootrom
+++ b/roms/vbootrom
@@ -1 +1 @@
-Subproject commit 1287b6e42e839ba2ab0f06268c5b53ae60df3537
+Subproject commit 183c9ff8056b7946db1ae49cc23e8980ac413174