| Tom Rini | 83d290c | 2018-05-06 17:58:06 -0400 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| Simon Glass | 86075ba | 2015-07-06 12:54:39 -0600 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2015 Google, Inc |
| Simon Glass | 86075ba | 2015-07-06 12:54:39 -0600 | [diff] [blame] | 4 | */ |
| 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 Glass | 86075ba | 2015-07-06 12:54:39 -0600 | [diff] [blame] | 15 | /* Base test of register maps */ |
| 16 | static int dm_test_regmap_base(struct unit_test_state *uts) |
| 17 | { |
| 18 | struct udevice *dev; |
| 19 | struct regmap *map; |
| 20 | int i; |
| 21 | |
| 22 | ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev)); |
| 23 | map = syscon_get_regmap(dev); |
| 24 | ut_assertok_ptr(map); |
| 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))); |
| 31 | |
| 32 | ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev)); |
| 33 | map = syscon_get_regmap(dev); |
| 34 | ut_assertok_ptr(map); |
| 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; |
| 40 | |
| 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))); |
| 44 | } |
| 45 | |
| 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); |
| 50 | |
| 51 | return 0; |
| 52 | } |
| 53 | DM_TEST(dm_test_regmap_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |
| 54 | |
| 55 | /* Test we can access a regmap through syscon */ |
| 56 | static int dm_test_regmap_syscon(struct unit_test_state *uts) |
| 57 | { |
| 58 | struct regmap *map; |
| 59 | |
| 60 | map = syscon_get_regmap_by_driver_data(SYSCON0); |
| 61 | ut_assertok_ptr(map); |
| 62 | ut_asserteq(1, map->range_count); |
| 63 | |
| 64 | map = syscon_get_regmap_by_driver_data(SYSCON1); |
| 65 | ut_assertok_ptr(map); |
| 66 | ut_asserteq(4, map->range_count); |
| 67 | |
| 68 | map = syscon_get_regmap_by_driver_data(SYSCON_COUNT); |
| 69 | ut_asserteq_ptr(ERR_PTR(-ENODEV), map); |
| 70 | |
| 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)); |
| 75 | |
| 76 | return 0; |
| 77 | } |
| 78 | |
| 79 | DM_TEST(dm_test_regmap_syscon, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |