This closes #10.
Merge remote-tracking branch 'd3zd3z/imgtool'
* d3zd3z/imgtool:
imgtool: Add support for RSA keys
imgtool: Add support for P-224
imgtool: Create simple signing tool
diff --git a/boot/zephyr/targets/nucleo_f401re.h b/boot/zephyr/targets/nucleo_f401re.h
new file mode 100644
index 0000000..6d8b248
--- /dev/null
+++ b/boot/zephyr/targets/nucleo_f401re.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2017 Linaro
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file
+ * @brief Bootloader device specific configuration.
+ */
+
+#define FLASH_DRIVER_NAME "STM32F4_FLASH"
+#define FLASH_ALIGN 1
+#define FLASH_AREA_IMAGE_0_OFFSET 0x20000
+#define FLASH_AREA_IMAGE_0_SIZE 0x20000
+#define FLASH_AREA_IMAGE_1_OFFSET 0x40000
+#define FLASH_AREA_IMAGE_1_SIZE 0x20000
+#define FLASH_AREA_IMAGE_SCRATCH_OFFSET 0x60000
+#define FLASH_AREA_IMAGE_SCRATCH_SIZE 0x20000