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-rw-r--r--bsps/aarch64/xilinx-zynqmp/fdt/bsp_fdt.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/bsps/aarch64/xilinx-zynqmp/fdt/bsp_fdt.c b/bsps/aarch64/xilinx-zynqmp/fdt/bsp_fdt.c
new file mode 100644
index 0000000000..0748639256
--- /dev/null
+++ b/bsps/aarch64/xilinx-zynqmp/fdt/bsp_fdt.c
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64XilinxZynqMP
+ *
+ * @brief This source file contains the implementatin of bsp_fdt_get().
+ */
+
+/*
+ * Copyright (C) 2022 On-Line Applications Research Corporation (OAR)
+ * Written by Kinsey Moore <kinsey.moore@oarcorp.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <bsp.h>
+#include <bsp/fdt.h>
+
+const void *bsp_fdt_get(void)
+{
+ return zynqmp_dtb;
+}
+
+uint32_t bsp_fdt_map_intr(const uint32_t *intr, size_t icells)
+{
+ if (icells != 3) {
+ return 0;
+ }
+ return (intr[0] == 0 ? 32 : 16) + intr[1];
+}