1 files changed, 78 insertions, 0 deletions
diff --git a/sys/arm/mv/mv_cp110_icu_bus.c b/sys/arm/mv/mv_cp110_icu_bus.c
new file mode 100644
index 000000000000..c1c5f4ae7891
--- /dev/null
+++ b/sys/arm/mv/mv_cp110_icu_bus.c
@@ -0,0 +1,78 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2019 Michal Meloun <mmel@FreeBSD.org>
+ * All rights reserved.
+ *
+ * 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 AUTHOR 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 AUTHOR 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/mutex.h>
+#include <sys/rman.h>
+#include <machine/bus.h>
+
+#include <dev/ofw/openfirm.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <dev/extres/syscon/syscon.h>
+#include <dev/fdt/simple_mfd.h>
+
+static struct ofw_compat_data compat_data[] = {
+	{"marvell,cp110-icu",	1},
+	{NULL,			0}
+};
+
+static int
+mv_cp110_icu_bus_probe(device_t dev)
+{
+
+	if (!ofw_bus_status_okay(dev))
+		return (ENXIO);
+	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
+		return (ENXIO);
+
+	device_set_desc(dev, "Marvell Interrupt Consolidation Unit Bus");
+	return (BUS_PROBE_DEFAULT);
+}
+
+static device_method_t mv_cp110_icu_bus_methods[] = {
+	DEVMETHOD(device_probe, mv_cp110_icu_bus_probe),
+
+	DEVMETHOD_END
+};
+
+DEFINE_CLASS_1(mv_cp110_icu_bus, mv_cp110_icu_bus_driver,
+    mv_cp110_icu_bus_methods, sizeof(struct simple_mfd_softc),
+    simple_mfd_driver);
+
+static devclass_t mv_cp110_icu_bus_devclass;
+EARLY_DRIVER_MODULE(mv_cp110_icu_bus, simplebus, mv_cp110_icu_bus_driver,
+    mv_cp110_icu_bus_devclass, 0, 0, BUS_PASS_INTERRUPT);
+MODULE_VERSION(mv_cp110_icu_bus, 1);