test: Add tests for CPU uclass

Add a sandbox CPU driver, and some tests for the CPU uclass.

Signed-off-by: Mario Six <mario.six@gdsys.cc>

1 files changed, 45 insertions, 0 deletions

diff --git a/test/dm/cpu.c b/test/dm/cpu.c
new file mode 100644
index 00000000000..f5f1caef716
--- /dev/null
+++ b/test/dm/cpu.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2018
+ * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/test.h>
+#include <dm/uclass-internal.h>
+#include <cpu.h>
+#include <test/ut.h>
+
+static int dm_test_cpu(struct unit_test_state *uts)
+{
+	struct udevice *dev;
+	char text[128];
+	struct cpu_info info;
+
+	ut_assertok(cpu_probe_all());
+
+	/* Check that cpu_probe_all really activated all CPUs */
+	for (uclass_find_first_device(UCLASS_CPU, &dev);
+	     dev;
+	     uclass_find_next_device(&dev))
+		ut_assert(dev->flags & DM_FLAG_ACTIVATED);
+
+	ut_assertok(uclass_get_device_by_name(UCLASS_CPU, "cpu-test1", &dev));
+
+	ut_assertok(cpu_get_desc(dev, text, sizeof(text)));
+	ut_assertok(strcmp(text, "LEG Inc. SuperMegaUltraTurbo CPU No. 1"));
+
+	ut_assertok(cpu_get_info(dev, &info));
+	ut_asserteq(info.cpu_freq, 42 * 42 * 42 * 42 * 42);
+	ut_asserteq(info.features, 0x42424242);
+
+	ut_asserteq(cpu_get_count(dev), 42);
+
+	ut_assertok(cpu_get_vendor(dev, text, sizeof(text)));
+	ut_assertok(strcmp(text, "Languid Example Garbage Inc."));
+
+	return 0;
+}
+
+DM_TEST(dm_test_cpu, DM_TESTF_SCAN_FDT);