Eric Lee / smarc-uboot

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Commit fa44b53398d3a7f5ed28cb83493a70cde11f8188

Authored by Mario Six
Committed by Simon Glass
1 parent 57370de377
Exists in smarc_8mq_lf_v2020.04 and in 11 other branches 8qm-imx_v2020.04_5.4.70_2.3.0, emb_lf_v2022.04, pitx_8mp_lf_v2020.04, smarc-8m-android-10.0.0_2.6.0, smarc-8m-android-11.0.0_2.0.0, smarc-8mp-android-11.0.0_2.0.0, smarc_8m-imx_v2019.04_4.19.35_1.1.0, smarc_8mm-imx_v2019.04_4.19.35_1.1.0, smarc_8mm-imx_v2020.04_5.4.24_2.1.0, smarc_8mp_lf_v2020.04, smarc_8mq-imx_v2020.04_5.4.24_2.1.0

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>

Showing 5 changed files with 120 additions and 0 deletions Side-by-side Diff

arch/sandbox/dts/test.dts
Diff comments   View file @ fa44b53
... ... @@ -297,6 +297,18 @@
297 297 mbox-names = "other", "test";
298 298 };
299 299  
  300 + cpu-test1 {
  301 + compatible = "sandbox,cpu_sandbox";
  302 + };
  303 +
  304 + cpu-test2 {
  305 + compatible = "sandbox,cpu_sandbox";
  306 + };
  307 +
  308 + cpu-test3 {
  309 + compatible = "sandbox,cpu_sandbox";
  310 + };
  311 +
300 312 misc-test {
301 313 compatible = "sandbox,misc_sandbox";
302 314 };
drivers/cpu/Makefile
Diff comments   View file @ fa44b53
... ... @@ -7,4 +7,5 @@
7 7 obj-$(CONFIG_CPU) += cpu-uclass.o
8 8  
9 9 obj-$(CONFIG_ARCH_BMIPS) += bmips_cpu.o
  10 +obj-$(CONFIG_SANDBOX) += cpu_sandbox.o
drivers/cpu/cpu_sandbox.c
Diff comments   View file @ fa44b53
  1 +// SPDX-License-Identifier: GPL-2.0+
  2 +/*
  3 + * (C) Copyright 2018
  4 + * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
  5 + */
  6 +
  7 +#include <common.h>
  8 +#include <dm.h>
  9 +#include <cpu.h>
  10 +
  11 +int cpu_sandbox_get_desc(struct udevice *dev, char *buf, int size)
  12 +{
  13 + snprintf(buf, size, "LEG Inc. SuperMegaUltraTurbo CPU No. 1");
  14 +
  15 + return 0;
  16 +}
  17 +
  18 +int cpu_sandbox_get_info(struct udevice *dev, struct cpu_info *info)
  19 +{
  20 + info->cpu_freq = 42 * 42 * 42 * 42 * 42;
  21 + info->features = 0x42424242;
  22 +
  23 + return 0;
  24 +}
  25 +
  26 +int cpu_sandbox_get_count(struct udevice *dev)
  27 +{
  28 + return 42;
  29 +}
  30 +
  31 +int cpu_sandbox_get_vendor(struct udevice *dev, char *buf, int size)
  32 +{
  33 + snprintf(buf, size, "Languid Example Garbage Inc.");
  34 +
  35 + return 0;
  36 +}
  37 +
  38 +static const struct cpu_ops cpu_sandbox_ops = {
  39 + .get_desc = cpu_sandbox_get_desc,
  40 + .get_info = cpu_sandbox_get_info,
  41 + .get_count = cpu_sandbox_get_count,
  42 + .get_vendor = cpu_sandbox_get_vendor,
  43 +};
  44 +
  45 +int cpu_sandbox_probe(struct udevice *dev)
  46 +{
  47 + return 0;
  48 +}
  49 +
  50 +static const struct udevice_id cpu_sandbox_ids[] = {
  51 + { .compatible = "sandbox,cpu_sandbox" },
  52 + { }
  53 +};
  54 +
  55 +U_BOOT_DRIVER(cpu_sandbox) = {
  56 + .name = "cpu_sandbox",
  57 + .id = UCLASS_CPU,
  58 + .ops = &cpu_sandbox_ops,
  59 + .of_match = cpu_sandbox_ids,
  60 + .probe = cpu_sandbox_probe,
  61 +};
... ... @@ -47,5 +47,6 @@
47 47 obj-$(CONFIG_AXI) += axi.o
48 48 obj-$(CONFIG_MISC) += misc.o
49 49 obj-$(CONFIG_DM_SERIAL) += serial.o
  50 +obj-$(CONFIG_CPU) += cpu.o
50 51 endif
  1 +// SPDX-License-Identifier: GPL-2.0+
  2 +/*
  3 + * (C) Copyright 2018
  4 + * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
  5 + */
  6 +
  7 +#include <common.h>
  8 +#include <dm.h>
  9 +#include <dm/test.h>
  10 +#include <dm/uclass-internal.h>
  11 +#include <cpu.h>
  12 +#include <test/ut.h>
  13 +
  14 +static int dm_test_cpu(struct unit_test_state *uts)
  15 +{
  16 + struct udevice *dev;
  17 + char text[128];
  18 + struct cpu_info info;
  19 +
  20 + ut_assertok(cpu_probe_all());
  21 +
  22 + /* Check that cpu_probe_all really activated all CPUs */
  23 + for (uclass_find_first_device(UCLASS_CPU, &dev);
  24 + dev;
  25 + uclass_find_next_device(&dev))
  26 + ut_assert(dev->flags & DM_FLAG_ACTIVATED);
  27 +
  28 + ut_assertok(uclass_get_device_by_name(UCLASS_CPU, "cpu-test1", &dev));
  29 +
  30 + ut_assertok(cpu_get_desc(dev, text, sizeof(text)));
  31 + ut_assertok(strcmp(text, "LEG Inc. SuperMegaUltraTurbo CPU No. 1"));
  32 +
  33 + ut_assertok(cpu_get_info(dev, &info));
  34 + ut_asserteq(info.cpu_freq, 42 * 42 * 42 * 42 * 42);
  35 + ut_asserteq(info.features, 0x42424242);
  36 +
  37 + ut_asserteq(cpu_get_count(dev), 42);
  38 +
  39 + ut_assertok(cpu_get_vendor(dev, text, sizeof(text)));
  40 + ut_assertok(strcmp(text, "Languid Example Garbage Inc."));
  41 +
  42 + return 0;
  43 +}
  44 +
  45 +DM_TEST(dm_test_cpu, DM_TESTF_SCAN_FDT);