diff --git a/arch/riscv/lib/board.c b/arch/riscv/lib/board.c
new file mode 100644
index 0000000..624c4ea
--- /dev/null
+++ b/arch/riscv/lib/board.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * RISC-V-specific handling of firmware FDT
+ */
+
+#include <asm/global_data.h>
+#include <linux/errno.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+__weak int board_fdt_blob_setup(void **fdtp)
+{
+	if (!gd->arch.firmware_fdt_addr)
+		return -EEXIST;
+
+	*fdtp = (ulong *)(uintptr_t)gd->arch.firmware_fdt_addr;
+
+	return 0;
+}