Use states

buildroot-external/board/ova/barebox-state.dts

@@ -0,0 +1,61 @@
+/dts-v1/;
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	aliases {
+		state = &state_sd;
+	};
+
+	backend_state_sd: bootstate@0x111000 {
+		reg = <0x111000 0x418>;
+		label = "state-sd";
+	};
+
+	state_sd: state_memory {
+                magic = <0xef784236>;
+                compatible = "barebox,state";
+                backend-type = "raw";
+                backend = <&backend_state_sd>;
+                backend-stridesize = <1024>;
+
+		bootstate {
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			system0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				remaining_attempts@0 {
+					reg = <0x0 0x4>;
+					type = "uint32";
+					default = <3>;
+				};
+				priority@4 {
+					reg = <0x4 0x4>;
+					type = "uint32";
+					default = <10>;
+				};
+			};
+			system1 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				remaining_attempts@8 {
+					reg = <0x8 0x4>;
+					type = "uint32";
+					default = <3>;
+				};
+				priority@c {
+					reg = <0xc 0x4>;
+					type = "uint32";
+					default = <20>;
+				};
+			};
+			last_chosen@10 {
+				reg = <0x10 0x4>;
+				type = "uint32";
+			};
+		};
+	};
+};
+

buildroot-external/board/ova/genimage.cfg

@@ -5,6 +5,9 @@ image boot.vfat {
     file EFI/BOOT/BOOTx64.EFI {
       image = "barebox.bin"
     }
+    file EFI/barebox/state.dtb {
+      image = "barebox-state.dtb"
+    }
   }
   size = 32M
 }
@@ -32,6 +35,11 @@ image sdcard.img {
     size = 256M
   }
 
+  partition bootstate {
+    partition-type = 0x83
+    size = 2M
+  }
+
   partition overlay {
     partition-type = 0x83
     image = "overlay.ext4"

buildroot-external/board/ova/post-image.sh

@@ -16,6 +16,8 @@ dd if=/dev/zero of="$DATA_IMG" bs=4k count=16000
 mkfs.ext4 "$OVERLAY_IMG" && tune2fs -L "overlay" -c0 -i0 "$OVERLAY_IMG"
 mkfs.ext4 "$DATA_IMG" && tune2fs -L "data" -c0 -i0 "$DATA_IMG"
 
+cp "$BOARD_DIR/barebox-state.dtb" "$BINARIES_DIR/"
+
 genimage \
     --rootpath "$TARGET_DIR" \
     --tmppath "$GENIMAGE_TMP" \