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