1 /* 2 * Copyright (c) 2013 Google, Inc 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <command.h> 9 #include <dm.h> 10 #include <errno.h> 11 #include <malloc.h> 12 #include <dm/test.h> 13 #include <dm/root.h> 14 #include <dm/uclass-internal.h> 15 #include <test/ut.h> 16 17 DECLARE_GLOBAL_DATA_PTR; 18 19 struct unit_test_state global_dm_test_state; 20 static struct dm_test_state _global_priv_dm_test_state; 21 22 /* Get ready for testing */ 23 static int dm_test_init(struct unit_test_state *uts) 24 { 25 struct dm_test_state *dms = uts->priv; 26 27 memset(uts, '\0', sizeof(*uts)); 28 uts->priv = dms; 29 memset(dms, '\0', sizeof(*dms)); 30 gd->dm_root = NULL; 31 memset(dm_testdrv_op_count, '\0', sizeof(dm_testdrv_op_count)); 32 33 ut_assertok(dm_init()); 34 dms->root = dm_root(); 35 36 return 0; 37 } 38 39 /* Ensure all the test devices are probed */ 40 static int do_autoprobe(struct unit_test_state *uts) 41 { 42 struct udevice *dev; 43 int ret; 44 45 /* Scanning the uclass is enough to probe all the devices */ 46 for (ret = uclass_first_device(UCLASS_TEST, &dev); 47 dev; 48 ret = uclass_next_device(&dev)) 49 ; 50 51 return ret; 52 } 53 54 static int dm_test_destroy(struct unit_test_state *uts) 55 { 56 int id; 57 58 for (id = 0; id < UCLASS_COUNT; id++) { 59 struct uclass *uc; 60 61 /* 62 * If the uclass doesn't exist we don't want to create it. So 63 * check that here before we call uclass_find_device()/ 64 */ 65 uc = uclass_find(id); 66 if (!uc) 67 continue; 68 ut_assertok(uclass_destroy(uc)); 69 } 70 71 return 0; 72 } 73 74 static int dm_test_main(const char *test_name) 75 { 76 struct unit_test *tests = ll_entry_start(struct unit_test, dm_test); 77 const int n_ents = ll_entry_count(struct unit_test, dm_test); 78 struct unit_test_state *uts = &global_dm_test_state; 79 uts->priv = &_global_priv_dm_test_state; 80 struct unit_test *test; 81 82 /* 83 * If we have no device tree, or it only has a root node, then these 84 * tests clearly aren't going to work... 85 */ 86 if (!gd->fdt_blob || fdt_next_node(gd->fdt_blob, 0, NULL) < 0) { 87 puts("Please run with test device tree:\n" 88 " ./u-boot -d arch/sandbox/dts/test.dtb\n"); 89 ut_assert(gd->fdt_blob); 90 } 91 92 if (!test_name) 93 printf("Running %d driver model tests\n", n_ents); 94 95 for (test = tests; test < tests + n_ents; test++) { 96 if (test_name && strcmp(test_name, test->name)) 97 continue; 98 printf("Test: %s\n", test->name); 99 ut_assertok(dm_test_init(uts)); 100 101 uts->start = mallinfo(); 102 if (test->flags & DM_TESTF_SCAN_PDATA) 103 ut_assertok(dm_scan_platdata(false)); 104 if (test->flags & DM_TESTF_PROBE_TEST) 105 ut_assertok(do_autoprobe(uts)); 106 if (test->flags & DM_TESTF_SCAN_FDT) 107 ut_assertok(dm_scan_fdt(gd->fdt_blob, false)); 108 109 if (test->func(uts)) 110 break; 111 112 ut_assertok(dm_test_destroy(uts)); 113 } 114 115 printf("Failures: %d\n", uts->fail_count); 116 117 return 0; 118 } 119 120 int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 121 { 122 const char *test_name = NULL; 123 124 if (argc > 1) 125 test_name = argv[1]; 126 127 return dm_test_main(test_name); 128 } 129