1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2015 Google, Inc
3*4882a593Smuzhiyun 2 *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <dm.h>
9*4882a593Smuzhiyun #include <mapmem.h>
10*4882a593Smuzhiyun #include <regmap.h>
11*4882a593Smuzhiyun #include <syscon.h>
12*4882a593Smuzhiyun #include <asm/test.h>
13*4882a593Smuzhiyun #include <dm/test.h>
14*4882a593Smuzhiyun #include <test/ut.h>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun /* Base test of register maps */
dm_test_regmap_base(struct unit_test_state * uts)19*4882a593Smuzhiyun static int dm_test_regmap_base(struct unit_test_state *uts)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun struct udevice *dev;
22*4882a593Smuzhiyun struct regmap *map;
23*4882a593Smuzhiyun int i;
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
26*4882a593Smuzhiyun map = syscon_get_regmap(dev);
27*4882a593Smuzhiyun ut_assertok_ptr(map);
28*4882a593Smuzhiyun ut_asserteq(1, map->range_count);
29*4882a593Smuzhiyun ut_asserteq(0x10, map->base);
30*4882a593Smuzhiyun ut_asserteq(0x10, map->range->start);
31*4882a593Smuzhiyun ut_asserteq(4, map->range->size);
32*4882a593Smuzhiyun ut_asserteq_ptr(&map->base_range, map->range);
33*4882a593Smuzhiyun ut_asserteq(0x10, map_to_sysmem(regmap_get_range(map, 0)));
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
36*4882a593Smuzhiyun map = syscon_get_regmap(dev);
37*4882a593Smuzhiyun ut_assertok_ptr(map);
38*4882a593Smuzhiyun ut_asserteq(4, map->range_count);
39*4882a593Smuzhiyun ut_asserteq(0x20, map->base);
40*4882a593Smuzhiyun ut_assert(&map->base_range != map->range);
41*4882a593Smuzhiyun for (i = 0; i < 4; i++) {
42*4882a593Smuzhiyun const unsigned long addr = 0x20 + 8 * i;
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun ut_asserteq(addr, map->range[i].start);
45*4882a593Smuzhiyun ut_asserteq(5 + i, map->range[i].size);
46*4882a593Smuzhiyun ut_asserteq(addr, map_to_sysmem(regmap_get_range(map, i)));
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun /* Check that we can't pretend a different device is a syscon */
50*4882a593Smuzhiyun ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev));
51*4882a593Smuzhiyun map = syscon_get_regmap(dev);
52*4882a593Smuzhiyun ut_asserteq_ptr(ERR_PTR(-ENOEXEC), map);
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun return 0;
55*4882a593Smuzhiyun }
56*4882a593Smuzhiyun DM_TEST(dm_test_regmap_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun /* Test we can access a regmap through syscon */
dm_test_regmap_syscon(struct unit_test_state * uts)59*4882a593Smuzhiyun static int dm_test_regmap_syscon(struct unit_test_state *uts)
60*4882a593Smuzhiyun {
61*4882a593Smuzhiyun struct regmap *map;
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun map = syscon_get_regmap_by_driver_data(SYSCON0);
64*4882a593Smuzhiyun ut_assertok_ptr(map);
65*4882a593Smuzhiyun ut_asserteq(1, map->range_count);
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun map = syscon_get_regmap_by_driver_data(SYSCON1);
68*4882a593Smuzhiyun ut_assertok_ptr(map);
69*4882a593Smuzhiyun ut_asserteq(4, map->range_count);
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun map = syscon_get_regmap_by_driver_data(SYSCON_COUNT);
72*4882a593Smuzhiyun ut_asserteq_ptr(ERR_PTR(-ENODEV), map);
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun ut_asserteq(0x10, map_to_sysmem(syscon_get_first_range(SYSCON0)));
75*4882a593Smuzhiyun ut_asserteq(0x20, map_to_sysmem(syscon_get_first_range(SYSCON1)));
76*4882a593Smuzhiyun ut_asserteq_ptr(ERR_PTR(-ENODEV),
77*4882a593Smuzhiyun syscon_get_first_range(SYSCON_COUNT));
78*4882a593Smuzhiyun
79*4882a593Smuzhiyun return 0;
80*4882a593Smuzhiyun }
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun DM_TEST(dm_test_regmap_syscon, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
83