1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Google, Inc
15 /* Base test of register maps */
16 static int dm_test_regmap_base(struct unit_test_state *uts)
22 ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
23 map = syscon_get_regmap(dev);
25 ut_asserteq(1, map->range_count);
26 ut_asserteq(0x10, map->base);
27 ut_asserteq(0x10, map->range->start);
28 ut_asserteq(4, map->range->size);
29 ut_asserteq_ptr(&map->base_range, map->range);
30 ut_asserteq(0x10, map_to_sysmem(regmap_get_range(map, 0)));
32 ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
33 map = syscon_get_regmap(dev);
35 ut_asserteq(4, map->range_count);
36 ut_asserteq(0x20, map->base);
37 ut_assert(&map->base_range != map->range);
38 for (i = 0; i < 4; i++) {
39 const unsigned long addr = 0x20 + 8 * i;
41 ut_asserteq(addr, map->range[i].start);
42 ut_asserteq(5 + i, map->range[i].size);
43 ut_asserteq(addr, map_to_sysmem(regmap_get_range(map, i)));
46 /* Check that we can't pretend a different device is a syscon */
47 ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev));
48 map = syscon_get_regmap(dev);
49 ut_asserteq_ptr(ERR_PTR(-ENOEXEC), map);
53 DM_TEST(dm_test_regmap_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
55 /* Test we can access a regmap through syscon */
56 static int dm_test_regmap_syscon(struct unit_test_state *uts)
60 map = syscon_get_regmap_by_driver_data(SYSCON0);
62 ut_asserteq(1, map->range_count);
64 map = syscon_get_regmap_by_driver_data(SYSCON1);
66 ut_asserteq(4, map->range_count);
68 map = syscon_get_regmap_by_driver_data(SYSCON_COUNT);
69 ut_asserteq_ptr(ERR_PTR(-ENODEV), map);
71 ut_asserteq(0x10, map_to_sysmem(syscon_get_first_range(SYSCON0)));
72 ut_asserteq(0x20, map_to_sysmem(syscon_get_first_range(SYSCON1)));
73 ut_asserteq_ptr(ERR_PTR(-ENODEV),
74 syscon_get_first_range(SYSCON_COUNT));
79 DM_TEST(dm_test_regmap_syscon, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);