1 files changed, 42 insertions, 0 deletions
diff --git a/ports/stm32/boards/NUCLEO_N657X0/bdev.c b/ports/stm32/boards/NUCLEO_N657X0/bdev.c
new file mode 100644
index 0000000000..2180d46174
--- /dev/null
+++ b/ports/stm32/boards/NUCLEO_N657X0/bdev.c
@@ -0,0 +1,42 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2025 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "py/obj.h"
+#include "storage.h"
+#include "xspi.h"
+
+#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
+#error "Cannot enable MICROPY_HW_SPIFLASH_ENABLE_CACHE"
+#endif
+
+// External SPI flash uses hardware XSPI interface.
+const mp_spiflash_config_t spiflash_config = {
+    .bus_kind = MP_SPIFLASH_BUS_QSPI,
+    .bus.u_qspi.data = (void *)&xspi_flash2,
+    .bus.u_qspi.proto = &xspi_proto,
+};
+
+spi_bdev_t spi_bdev;