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Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Simon Glass86075ba2015-07-06 12:54:39 -06002/*
3 * Copyright (C) 2015 Google, Inc
Simon Glass86075ba2015-07-06 12:54:39 -06004 */
5
6#include <common.h>
7#include <dm.h>
8#include <mapmem.h>
9#include <regmap.h>
10#include <syscon.h>
11#include <asm/test.h>
12#include <dm/test.h>
13#include <test/ut.h>
14
Simon Glass86075ba2015-07-06 12:54:39 -060015/* Base test of register maps */
16static int dm_test_regmap_base(struct unit_test_state *uts)
17{
18 struct udevice *dev;
19 struct regmap *map;
Masahiro Yamada99552c32018-04-23 13:26:53 +090020 ofnode node;
Simon Glass86075ba2015-07-06 12:54:39 -060021 int i;
22
23 ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
24 map = syscon_get_regmap(dev);
25 ut_assertok_ptr(map);
26 ut_asserteq(1, map->range_count);
Masahiro Yamada8c1de5e2018-04-19 12:14:01 +090027 ut_asserteq(0x10, map->ranges[0].start);
Mario Six82744c22018-10-04 09:00:40 +020028 ut_asserteq(16, map->ranges[0].size);
Simon Glass86075ba2015-07-06 12:54:39 -060029 ut_asserteq(0x10, map_to_sysmem(regmap_get_range(map, 0)));
30
31 ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev));
32 map = syscon_get_regmap(dev);
33 ut_assertok_ptr(map);
34 ut_asserteq(4, map->range_count);
Masahiro Yamada8c1de5e2018-04-19 12:14:01 +090035 ut_asserteq(0x20, map->ranges[0].start);
Simon Glass86075ba2015-07-06 12:54:39 -060036 for (i = 0; i < 4; i++) {
37 const unsigned long addr = 0x20 + 8 * i;
38
Masahiro Yamada8c1de5e2018-04-19 12:14:01 +090039 ut_asserteq(addr, map->ranges[i].start);
40 ut_asserteq(5 + i, map->ranges[i].size);
Simon Glass86075ba2015-07-06 12:54:39 -060041 ut_asserteq(addr, map_to_sysmem(regmap_get_range(map, i)));
42 }
43
44 /* Check that we can't pretend a different device is a syscon */
45 ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev));
46 map = syscon_get_regmap(dev);
47 ut_asserteq_ptr(ERR_PTR(-ENOEXEC), map);
48
Masahiro Yamada99552c32018-04-23 13:26:53 +090049 /* A different device can be a syscon by using Linux-compat API */
50 node = ofnode_path("/syscon@2");
51 ut_assert(ofnode_valid(node));
52
53 map = syscon_node_to_regmap(node);
54 ut_assertok_ptr(map);
55 ut_asserteq(4, map->range_count);
56 ut_asserteq(0x40, map->ranges[0].start);
57 for (i = 0; i < 4; i++) {
58 const unsigned long addr = 0x40 + 8 * i;
59
60 ut_asserteq(addr, map->ranges[i].start);
61 ut_asserteq(5 + i, map->ranges[i].size);
62 ut_asserteq(addr, map_to_sysmem(regmap_get_range(map, i)));
63 }
64
Simon Glass86075ba2015-07-06 12:54:39 -060065 return 0;
66}
67DM_TEST(dm_test_regmap_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
68
69/* Test we can access a regmap through syscon */
70static int dm_test_regmap_syscon(struct unit_test_state *uts)
71{
72 struct regmap *map;
73
74 map = syscon_get_regmap_by_driver_data(SYSCON0);
75 ut_assertok_ptr(map);
76 ut_asserteq(1, map->range_count);
77
78 map = syscon_get_regmap_by_driver_data(SYSCON1);
79 ut_assertok_ptr(map);
80 ut_asserteq(4, map->range_count);
81
82 map = syscon_get_regmap_by_driver_data(SYSCON_COUNT);
83 ut_asserteq_ptr(ERR_PTR(-ENODEV), map);
84
85 ut_asserteq(0x10, map_to_sysmem(syscon_get_first_range(SYSCON0)));
86 ut_asserteq(0x20, map_to_sysmem(syscon_get_first_range(SYSCON1)));
87 ut_asserteq_ptr(ERR_PTR(-ENODEV),
88 syscon_get_first_range(SYSCON_COUNT));
89
90 return 0;
91}
92
93DM_TEST(dm_test_regmap_syscon, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
Neil Armstronge0685122018-04-27 11:56:15 +020094
95/* Read/Write/Modify test */
96static int dm_test_regmap_rw(struct unit_test_state *uts)
97{
98 struct udevice *dev;
99 struct regmap *map;
100 uint reg;
101
102 ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
103 map = syscon_get_regmap(dev);
104 ut_assertok_ptr(map);
105
106 ut_assertok(regmap_write(map, 0, 0xcacafafa));
107 ut_assertok(regmap_write(map, 3, 0x55aa2211));
108
109 ut_assertok(regmap_read(map, 0, &reg));
110 ut_assertok(regmap_read(map, 3, &reg));
111
112 ut_assertok(regmap_update_bits(map, 0, 0xff00ff00, 0x55aa2211));
113 ut_assertok(regmap_update_bits(map, 3, 0x00ff00ff, 0xcacafada));
114
115 return 0;
116}
117
118DM_TEST(dm_test_regmap_rw, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
Mario Six45ef7f52018-10-15 09:24:13 +0200119
120/* Get/Set test */
121static int dm_test_regmap_getset(struct unit_test_state *uts)
122{
123 struct udevice *dev;
124 struct regmap *map;
125 uint reg;
126 struct layout {
127 u32 val0;
128 u32 val1;
129 u32 val2;
130 u32 val3;
131 };
132
133 ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
134 map = syscon_get_regmap(dev);
135 ut_assertok_ptr(map);
136
137 regmap_set(map, struct layout, val0, 0xcacafafa);
138 regmap_set(map, struct layout, val3, 0x55aa2211);
139
140 ut_assertok(regmap_get(map, struct layout, val0, &reg));
141 ut_assertok(regmap_get(map, struct layout, val3, &reg));
142
143 return 0;
144}
145
146DM_TEST(dm_test_regmap_getset, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
Neil Armstrongebe34972018-11-22 11:01:04 +0100147
148/* Read polling test */
149static int dm_test_regmap_poll(struct unit_test_state *uts)
150{
151 struct udevice *dev;
152 struct regmap *map;
153 uint reg;
154 unsigned long start;
155
156 ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev));
157 map = syscon_get_regmap(dev);
158 ut_assertok_ptr(map);
159
160 start = get_timer(0);
161
162 ut_asserteq(-ETIMEDOUT,
163 regmap_read_poll_timeout(map, 0, reg,
164 (reg == 0xcacafafa),
165 1, 5 * CONFIG_SYS_HZ));
166
167 ut_assert(get_timer(start) > (5 * CONFIG_SYS_HZ));
168
169 return 0;
170}
171
172DM_TEST(dm_test_regmap_poll, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);