b200: add custom bootloader

- Adds custom bootloader code
- Refactor common functions in firmware and bootloader

1 files changed, 34 insertions, 0 deletions

diff --git a/firmware/fx3/b200/common/common_helpers.h b/firmware/fx3/b200/common/common_helpers.h
new file mode 100644
index 000000000..8ff28fb09
--- /dev/null
+++ b/firmware/fx3/b200/common/common_helpers.h
@@ -0,0 +1,34 @@
+//
+// Copyright 2019 Ettus Research, a National Instruments Brand
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+
+#ifndef _COMMON_HELPERS_H
+#define _COMMON_HELPERS_H
+
+#include "cyu3types.h"
+
+typedef void (*eeprom_read_t)(uint16_t, uint8_t*, uint8_t);
+
+/* Read the EEPROM layout revision number from EEPROM using the function
+   specified */
+int get_rev(eeprom_read_t read_fn);
+
+/* Read the vendor ID from EEPROM using the function specified*/
+uint16_t get_vid(eeprom_read_t read_fn);
+
+/* Read the product ID from EEPROM using the function specified*/
+uint16_t get_pid(eeprom_read_t read_fn);
+
+/* Read the vendor ID from EEPROM using the function specified
+   Buffer must be at least length 20 */
+const uint8_t* get_serial_string_descriptor(eeprom_read_t read_fn);
+
+/* Return the string descriptor based on the VID given */
+const uint8_t* get_manufacturer_string_descriptor(uint16_t vid);
+
+/* Return the string descriptor based on the PID given */
+const uint8_t* get_product_string_descriptor(uint16_t pid);
+
+#endif /* _COMMON_HELPERS_H */