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test: Add tests for CPU uclass

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

Signed-off-by: Mario Six <mario.six@gdsys.cc>
This commit is contained in:
Mario Six
2018-08-06 10:23:44 +02:00
committed by Simon Glass
parent 57370de377
commit fa44b53398
5 changed files with 120 additions and 0 deletions
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1
test/dm/Makefile
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@@ -47,4 +47,5 @@ obj-$(CONFIG_WDT) += wdt.o
obj-$(CONFIG_AXI) += axi.o
obj-$(CONFIG_MISC) += misc.o
obj-$(CONFIG_DM_SERIAL) += serial.o
obj-$(CONFIG_CPU) += cpu.o
endif

45
test/dm/cpu.c Normal file
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@@ -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);