1 files changed, 115 insertions, 0 deletions
diff --git a/sys/dev/sdhci/sdhci_fdt_xilinx.c b/sys/dev/sdhci/sdhci_fdt_xilinx.c
new file mode 100644
index 000000000000..1800e756dd33
--- /dev/null
+++ b/sys/dev/sdhci/sdhci_fdt_xilinx.c
@@ -0,0 +1,115 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2023 Emmanuel Vadot <manu@freebsd.org>
+ *
+ * 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 ``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 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/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/lock.h>
+#include <sys/module.h>
+#include <sys/mutex.h>
+#include <sys/resource.h>
+#include <sys/rman.h>
+#include <sys/sysctl.h>
+#include <sys/taskqueue.h>
+
+#include <machine/bus.h>
+#include <machine/resource.h>
+
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <dev/ofw/ofw_subr.h>
+#include <dev/clk/clk.h>
+#include <dev/clk/clk_fixed.h>
+#include <dev/ofw/openfirm.h>
+#include <dev/syscon/syscon.h>
+#include <dev/phy/phy.h>
+
+#include <dev/mmc/bridge.h>
+
+#include <dev/sdhci/sdhci.h>
+#include <dev/sdhci/sdhci_fdt.h>
+
+#include "mmcbr_if.h"
+#include "sdhci_if.h"
+
+#include "opt_mmccam.h"
+
+#include "clkdev_if.h"
+#include "syscon_if.h"
+
+static int
+sdhci_fdt_xilinx_probe(device_t dev)
+{
+	struct sdhci_fdt_softc *sc = device_get_softc(dev);
+
+	if (!ofw_bus_is_compatible(dev, "xlnx,zynqmp-8.9a"))
+		return (ENXIO);
+
+	sc->quirks = 0;
+	device_set_desc(dev, "ZynqMP generic fdt SDHCI controller");
+
+	return (0);
+}
+
+static int
+sdhci_fdt_xilinx_attach(device_t dev)
+{
+	struct sdhci_fdt_softc *sc = device_get_softc(dev);
+	int err;
+
+	err = sdhci_init_clocks(dev);
+	if (err != 0) {
+		device_printf(dev, "Cannot init clocks\n");
+		return (err);
+	}
+	sdhci_export_clocks(sc);
+	if ((err = sdhci_init_phy(sc)) != 0) {
+		device_printf(dev, "Cannot init phy\n");
+		return (err);
+	}
+	if ((err = sdhci_get_syscon(sc)) != 0) {
+		device_printf(dev, "Cannot get syscon handle\n");
+		return (err);
+	}
+
+	return (sdhci_fdt_attach(dev));
+}
+
+static device_method_t sdhci_fdt_xilinx_methods[] = {
+	/* device_if */
+	DEVMETHOD(device_probe,		sdhci_fdt_xilinx_probe),
+	DEVMETHOD(device_attach,	sdhci_fdt_xilinx_attach),
+
+	DEVMETHOD_END
+};
+extern driver_t sdhci_fdt_driver;
+
+DEFINE_CLASS_1(sdhci_xilinx, sdhci_fdt_xilinx_driver, sdhci_fdt_xilinx_methods,
+    sizeof(struct sdhci_fdt_softc), sdhci_fdt_driver);
+DRIVER_MODULE(sdhci_xilinx, simplebus, sdhci_fdt_xilinx_driver, NULL, NULL);