test/dm/acpi.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Tests for ACPI table generation
   4  *
   5  * Copyright 2019 Google LLC
   6  * Written by Simon Glass <sjg@chromium.org>
   7  */
   8
   9 #include <common.h>
  10 #include <dm.h>
  11 #include <acpi/acpi_table.h>
  12 #include <dm/acpi.h>
  13 #include <dm/test.h>
  14 #include <test/ut.h>
  15
  16 #define ACPI_TEST_DEV_NAME      "ABCD"
  17
  18 static int testacpi_get_name(const struct udevice *dev, char *out_name)
  19 {
  20         return acpi_copy_name(out_name, ACPI_TEST_DEV_NAME);
  21 }
  22
  23 struct acpi_ops testacpi_ops = {
  24         .get_name       = testacpi_get_name,
  25 };
  26
  27 static const struct udevice_id testacpi_ids[] = {
  28         { .compatible = "denx,u-boot-acpi-test" },
  29         { }
  30 };
  31
  32 U_BOOT_DRIVER(testacpi_drv) = {
  33         .name   = "testacpi_drv",
  34         .of_match       = testacpi_ids,
  35         .id     = UCLASS_TEST_ACPI,
  36         ACPI_OPS_PTR(&testacpi_ops)
  37 };
  38
  39 UCLASS_DRIVER(testacpi) = {
  40         .name           = "testacpi",
  41         .id             = UCLASS_TEST_ACPI,
  42 };
  43
  44 /* Test ACPI get_name() */
  45 static int dm_test_acpi_get_name(struct unit_test_state *uts)
  46 {
  47         char name[ACPI_NAME_MAX];
  48         struct udevice *dev;
  49
  50         ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
  51         ut_assertok(acpi_get_name(dev, name));
  52         ut_asserteq_str(ACPI_TEST_DEV_NAME, name);
  53
  54         return 0;
  55 }
  56 DM_TEST(dm_test_acpi_get_name, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  57
  58 /* Test acpi_get_table_revision() */
  59 static int dm_test_acpi_get_table_revision(struct unit_test_state *uts)
  60 {
  61         ut_asserteq(1, acpi_get_table_revision(ACPITAB_MCFG));
  62         ut_asserteq(2, acpi_get_table_revision(ACPITAB_RSDP));
  63         ut_asserteq(4, acpi_get_table_revision(ACPITAB_TPM2));
  64         ut_asserteq(-EINVAL, acpi_get_table_revision(ACPITAB_COUNT));
  65
  66         return 0;
  67 }
  68 DM_TEST(dm_test_acpi_get_table_revision,
  69         DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  70
  71 /* Temporary change to ensure bisectability */
  72 #ifndef CONFIG_SANDBOX
  73 /* Test acpi_create_dmar() */
  74 static int dm_test_acpi_create_dmar(struct unit_test_state *uts)
  75 {
  76         struct acpi_dmar dmar;
  77
  78         ut_assertok(acpi_create_dmar(&dmar, DMAR_INTR_REMAP));
  79         ut_asserteq(DMAR_INTR_REMAP, dmar.flags);
  80         ut_asserteq(32 - 1, dmar.host_address_width);
  81
  82         return 0;
  83 }
  84 DM_TEST(dm_test_acpi_create_dmar, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  85 #endif