1 files changed, 47 insertions, 0 deletions
diff --git a/lib/utils/ipi/fdt_ipi_plicsw.c b/lib/utils/ipi/fdt_ipi_plicsw.c
new file mode 100644
index 0000000..bf29bfc
--- /dev/null
+++ b/lib/utils/ipi/fdt_ipi_plicsw.c
@@ -0,0 +1,47 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2022 Andes Technology Corporation
+ *
+ * Authors:
+ *   Zong Li <zong@andestech.com>
+ *   Nylon Chen <nylon7@andestech.com>
+ *   Leo Yu-Chi Liang <ycliang@andestech.com>
+ *   Yu Chien Peter Lin <peterlin@andestech.com>
+ */
+
+#include <sbi/riscv_io.h>
+#include <sbi_utils/fdt/fdt_helper.h>
+#include <sbi_utils/ipi/fdt_ipi.h>
+#include <sbi_utils/ipi/andes_plicsw.h>
+
+extern struct plicsw_data plicsw;
+
+int fdt_plicsw_cold_ipi_init(void *fdt, int nodeoff,
+				const struct fdt_match *match)
+{
+	int rc;
+
+	rc = fdt_parse_plicsw_node(fdt, nodeoff, &plicsw.addr, &plicsw.size,
+				   &plicsw.hart_count);
+	if (rc)
+		return rc;
+
+	rc = plicsw_cold_ipi_init(&plicsw);
+	if (rc)
+		return rc;
+
+	return 0;
+}
+
+static const struct fdt_match ipi_plicsw_match[] = {
+	{ .compatible = "andestech,plicsw" },
+	{},
+};
+
+struct fdt_ipi fdt_ipi_plicsw = {
+	.match_table = ipi_plicsw_match,
+	.cold_init   = fdt_plicsw_cold_ipi_init,
+	.warm_init   = plicsw_warm_ipi_init,
+	.exit	     = NULL,
+};