1 files changed, 58 insertions, 0 deletions
diff --git a/roms/u-boot/test/dm/mdio.c b/roms/u-boot/test/dm/mdio.c
new file mode 100644
index 000000000..64347e127
--- /dev/null
+++ b/roms/u-boot/test/dm/mdio.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019
+ * Alex Marginean, NXP
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <log.h>
+#include <miiphy.h>
+#include <misc.h>
+#include <dm/test.h>
+#include <test/test.h>
+#include <test/ut.h>
+
+/* macros copied over from mdio_sandbox.c */
+#define SANDBOX_PHY_ADDR	5
+#define SANDBOX_PHY_REG_CNT	2
+
+/* test using 1st register, 0 */
+#define SANDBOX_PHY_REG		0
+
+#define TEST_REG_VALUE		0xabcd
+
+static int dm_test_mdio(struct unit_test_state *uts)
+{
+	struct uclass *uc;
+	struct udevice *dev;
+	struct mdio_ops *ops;
+	u16 reg;
+
+	ut_assertok(uclass_get(UCLASS_MDIO, &uc));
+
+	ut_assertok(uclass_get_device_by_name(UCLASS_MDIO, "mdio-test", &dev));
+
+	ops = mdio_get_ops(dev);
+	ut_assertnonnull(ops);
+	ut_assertnonnull(ops->read);
+	ut_assertnonnull(ops->write);
+
+	ut_assertok(ops->write(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
+			       SANDBOX_PHY_REG, TEST_REG_VALUE));
+	reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
+			SANDBOX_PHY_REG);
+	ut_asserteq(reg, TEST_REG_VALUE);
+
+	ut_assert(ops->read(dev, SANDBOX_PHY_ADDR + 1, MDIO_DEVAD_NONE,
+			    SANDBOX_PHY_REG) != 0);
+
+	ut_assertok(ops->reset(dev));
+	reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
+			SANDBOX_PHY_REG);
+	ut_asserteq(reg, 0);
+
+	return 0;
+}
+
+DM_TEST(dm_test_mdio, UT_TESTF_SCAN_FDT);