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); 83