From fa44b53398d3a7f5ed28cb83493a70cde11f8188 Mon Sep 17 00:00:00 2001 From: Mario Six Date: Mon, 6 Aug 2018 10:23:44 +0200 Subject: [PATCH] test: Add tests for CPU uclass Add a sandbox CPU driver, and some tests for the CPU uclass. Signed-off-by: Mario Six --- arch/sandbox/dts/test.dts | 12 ++++++++ drivers/cpu/Makefile | 1 + drivers/cpu/cpu_sandbox.c | 61 +++++++++++++++++++++++++++++++++++++++ test/dm/Makefile | 1 + test/dm/cpu.c | 45 +++++++++++++++++++++++++++++ 5 files changed, 120 insertions(+) create mode 100644 drivers/cpu/cpu_sandbox.c create mode 100644 test/dm/cpu.c diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index 3668263331..b8524e3b7d 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -297,6 +297,18 @@ mbox-names = "other", "test"; }; + cpu-test1 { + compatible = "sandbox,cpu_sandbox"; + }; + + cpu-test2 { + compatible = "sandbox,cpu_sandbox"; + }; + + cpu-test3 { + compatible = "sandbox,cpu_sandbox"; + }; + misc-test { compatible = "sandbox,misc_sandbox"; }; diff --git a/drivers/cpu/Makefile b/drivers/cpu/Makefile index db515f6f17..980c68f44d 100644 --- a/drivers/cpu/Makefile +++ b/drivers/cpu/Makefile @@ -7,3 +7,4 @@ obj-$(CONFIG_CPU) += cpu-uclass.o obj-$(CONFIG_ARCH_BMIPS) += bmips_cpu.o +obj-$(CONFIG_SANDBOX) += cpu_sandbox.o diff --git a/drivers/cpu/cpu_sandbox.c b/drivers/cpu/cpu_sandbox.c new file mode 100644 index 0000000000..ff87e8adca --- /dev/null +++ b/drivers/cpu/cpu_sandbox.c @@ -0,0 +1,61 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2018 + * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc + */ + +#include +#include +#include + +int cpu_sandbox_get_desc(struct udevice *dev, char *buf, int size) +{ + snprintf(buf, size, "LEG Inc. SuperMegaUltraTurbo CPU No. 1"); + + return 0; +} + +int cpu_sandbox_get_info(struct udevice *dev, struct cpu_info *info) +{ + info->cpu_freq = 42 * 42 * 42 * 42 * 42; + info->features = 0x42424242; + + return 0; +} + +int cpu_sandbox_get_count(struct udevice *dev) +{ + return 42; +} + +int cpu_sandbox_get_vendor(struct udevice *dev, char *buf, int size) +{ + snprintf(buf, size, "Languid Example Garbage Inc."); + + return 0; +} + +static const struct cpu_ops cpu_sandbox_ops = { + .get_desc = cpu_sandbox_get_desc, + .get_info = cpu_sandbox_get_info, + .get_count = cpu_sandbox_get_count, + .get_vendor = cpu_sandbox_get_vendor, +}; + +int cpu_sandbox_probe(struct udevice *dev) +{ + return 0; +} + +static const struct udevice_id cpu_sandbox_ids[] = { + { .compatible = "sandbox,cpu_sandbox" }, + { } +}; + +U_BOOT_DRIVER(cpu_sandbox) = { + .name = "cpu_sandbox", + .id = UCLASS_CPU, + .ops = &cpu_sandbox_ops, + .of_match = cpu_sandbox_ids, + .probe = cpu_sandbox_probe, +}; diff --git a/test/dm/Makefile b/test/dm/Makefile index 3f5a634afd..8b1ba915d0 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -47,4 +47,5 @@ obj-$(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 diff --git a/test/dm/cpu.c b/test/dm/cpu.c new file mode 100644 index 0000000000..f5f1caef71 --- /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 +#include +#include +#include +#include +#include + +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); -- 2.39.5