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86075bab SG |
1 | /* |
2 | * Copyright (C) 2015 Google, Inc | |
3 | 2 * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | ||
7 | #include <common.h> | |
8 | #include <dm.h> | |
9 | #include <mapmem.h> | |
10 | #include <regmap.h> | |
11 | #include <syscon.h> | |
12 | #include <asm/test.h> | |
13 | #include <dm/test.h> | |
14 | #include <test/ut.h> | |
15 | ||
16 | DECLARE_GLOBAL_DATA_PTR; | |
17 | ||
18 | /* Base test of register maps */ | |
19 | static int dm_test_regmap_base(struct unit_test_state *uts) | |
20 | { | |
21 | struct udevice *dev; | |
22 | struct regmap *map; | |
23 | int i; | |
24 | ||
25 | ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev)); | |
26 | map = syscon_get_regmap(dev); | |
27 | ut_assertok_ptr(map); | |
28 | ut_asserteq(1, map->range_count); | |
29 | ut_asserteq(0x10, map->base); | |
30 | ut_asserteq(0x10, map->range->start); | |
31 | ut_asserteq(4, map->range->size); | |
32 | ut_asserteq_ptr(&map->base_range, map->range); | |
33 | ut_asserteq(0x10, map_to_sysmem(regmap_get_range(map, 0))); | |
34 | ||
35 | ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev)); | |
36 | map = syscon_get_regmap(dev); | |
37 | ut_assertok_ptr(map); | |
38 | ut_asserteq(4, map->range_count); | |
39 | ut_asserteq(0x20, map->base); | |
40 | ut_assert(&map->base_range != map->range); | |
41 | for (i = 0; i < 4; i++) { | |
42 | const unsigned long addr = 0x20 + 8 * i; | |
43 | ||
44 | ut_asserteq(addr, map->range[i].start); | |
45 | ut_asserteq(5 + i, map->range[i].size); | |
46 | ut_asserteq(addr, map_to_sysmem(regmap_get_range(map, i))); | |
47 | } | |
48 | ||
49 | /* Check that we can't pretend a different device is a syscon */ | |
50 | ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev)); | |
51 | map = syscon_get_regmap(dev); | |
52 | ut_asserteq_ptr(ERR_PTR(-ENOEXEC), map); | |
53 | ||
54 | return 0; | |
55 | } | |
56 | DM_TEST(dm_test_regmap_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); | |
57 | ||
58 | /* Test we can access a regmap through syscon */ | |
59 | static int dm_test_regmap_syscon(struct unit_test_state *uts) | |
60 | { | |
61 | struct regmap *map; | |
62 | ||
63 | map = syscon_get_regmap_by_driver_data(SYSCON0); | |
64 | ut_assertok_ptr(map); | |
65 | ut_asserteq(1, map->range_count); | |
66 | ||
67 | map = syscon_get_regmap_by_driver_data(SYSCON1); | |
68 | ut_assertok_ptr(map); | |
69 | ut_asserteq(4, map->range_count); | |
70 | ||
71 | map = syscon_get_regmap_by_driver_data(SYSCON_COUNT); | |
72 | ut_asserteq_ptr(ERR_PTR(-ENODEV), map); | |
73 | ||
74 | ut_asserteq(0x10, map_to_sysmem(syscon_get_first_range(SYSCON0))); | |
75 | ut_asserteq(0x20, map_to_sysmem(syscon_get_first_range(SYSCON1))); | |
76 | ut_asserteq_ptr(ERR_PTR(-ENODEV), | |
77 | syscon_get_first_range(SYSCON_COUNT)); | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
82 | DM_TEST(dm_test_regmap_syscon, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |