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