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 <usb.h> 10 #include <asm/state.h> 11 #include <dm/test.h> 12 #include <test/ut.h> 13 14 DECLARE_GLOBAL_DATA_PTR; 15 16 /* Test that block devices can be created */ 17 static int dm_test_blk_base(struct unit_test_state *uts) 18 { 19 struct udevice *blk, *usb_blk, *dev; 20 21 /* Make sure there are no block devices */ 22 ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_BLK, 0, &blk)); 23 24 /* Create two, one the parent of the other */ 25 ut_assertok(blk_create_device(gd->dm_root, "sandbox_host_blk", "test", 26 IF_TYPE_HOST, 1, 512, 2, &blk)); 27 ut_assertok(blk_create_device(blk, "usb_storage_blk", "test", 28 IF_TYPE_USB, 3, 512, 2, &usb_blk)); 29 30 /* Check we can find them */ 31 ut_asserteq(-ENODEV, blk_get_device(IF_TYPE_HOST, 0, &dev)); 32 ut_assertok(blk_get_device(IF_TYPE_HOST, 1, &dev)); 33 ut_asserteq_ptr(blk, dev); 34 35 ut_asserteq(-ENODEV, blk_get_device(IF_TYPE_USB, 0, &dev)); 36 ut_assertok(blk_get_device(IF_TYPE_USB, 3, &dev)); 37 ut_asserteq_ptr(usb_blk, dev); 38 39 /* Check we can iterate */ 40 ut_assertok(blk_first_device(IF_TYPE_HOST, &dev)); 41 ut_asserteq_ptr(blk, dev); 42 ut_asserteq(-ENODEV, blk_next_device(&dev)); 43 44 ut_assertok(blk_first_device(IF_TYPE_USB, &dev)); 45 ut_asserteq_ptr(usb_blk, dev); 46 ut_asserteq(-ENODEV, blk_next_device(&dev)); 47 48 return 0; 49 } 50 DM_TEST(dm_test_blk_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 51 52 static int count_blk_devices(void) 53 { 54 struct udevice *blk; 55 struct uclass *uc; 56 int count = 0; 57 int ret; 58 59 ret = uclass_get(UCLASS_BLK, &uc); 60 if (ret) 61 return ret; 62 63 uclass_foreach_dev(blk, uc) 64 count++; 65 66 return count; 67 } 68 69 /* Test that block devices work correctly with USB */ 70 static int dm_test_blk_usb(struct unit_test_state *uts) 71 { 72 struct udevice *usb_dev, *dev; 73 struct blk_desc *dev_desc; 74 75 /* Get a flash device */ 76 state_set_skip_delays(true); 77 ut_assertok(usb_init()); 78 ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &usb_dev)); 79 ut_assertok(blk_get_device_by_str("usb", "0", &dev_desc)); 80 81 /* The parent should be a block device */ 82 ut_assertok(blk_get_device(IF_TYPE_USB, 0, &dev)); 83 ut_asserteq_ptr(usb_dev, dev_get_parent(dev)); 84 85 /* Check we have one block device for each mass storage device */ 86 ut_asserteq(6, count_blk_devices()); 87 88 /* Now go around again, making sure the old devices were unbound */ 89 ut_assertok(usb_stop()); 90 ut_assertok(usb_init()); 91 ut_asserteq(6, count_blk_devices()); 92 ut_assertok(usb_stop()); 93 94 return 0; 95 } 96 DM_TEST(dm_test_blk_usb, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 97 98 /* Test that we can find block devices without probing them */ 99 static int dm_test_blk_find(struct unit_test_state *uts) 100 { 101 struct udevice *blk, *dev; 102 103 ut_assertok(blk_create_device(gd->dm_root, "sandbox_host_blk", "test", 104 IF_TYPE_HOST, 1, 512, 2, &blk)); 105 ut_asserteq(-ENODEV, blk_find_device(IF_TYPE_HOST, 0, &dev)); 106 ut_assertok(blk_find_device(IF_TYPE_HOST, 1, &dev)); 107 ut_asserteq_ptr(blk, dev); 108 ut_asserteq(false, device_active(dev)); 109 110 /* Now activate it */ 111 ut_assertok(blk_get_device(IF_TYPE_HOST, 1, &dev)); 112 ut_asserteq_ptr(blk, dev); 113 ut_asserteq(true, device_active(dev)); 114 115 return 0; 116 } 117 DM_TEST(dm_test_blk_find, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 118 119 /* Test that block device numbering works as expected */ 120 static int dm_test_blk_devnum(struct unit_test_state *uts) 121 { 122 struct udevice *dev, *mmc_dev, *parent; 123 int i; 124 125 /* 126 * Probe the devices, with the first one being probed last. This is the 127 * one with no alias / sequence numnber. 128 */ 129 ut_assertok(uclass_get_device(UCLASS_MMC, 1, &dev)); 130 ut_assertok(uclass_get_device(UCLASS_MMC, 2, &dev)); 131 ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev)); 132 for (i = 0; i < 3; i++) { 133 struct blk_desc *desc; 134 135 /* Check that the bblock device is attached */ 136 ut_assertok(uclass_get_device_by_seq(UCLASS_MMC, i, &mmc_dev)); 137 ut_assertok(blk_find_device(IF_TYPE_MMC, i, &dev)); 138 parent = dev_get_parent(dev); 139 ut_asserteq_ptr(parent, mmc_dev); 140 ut_asserteq(trailing_strtol(mmc_dev->name), i); 141 142 /* 143 * Check that the block device devnum matches its parent's 144 * sequence number 145 */ 146 desc = dev_get_uclass_platdata(dev); 147 ut_asserteq(desc->devnum, i); 148 } 149 150 return 0; 151 } 152 DM_TEST(dm_test_blk_devnum, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 153 154 /* Test that we can get a block from its parent */ 155 static int dm_test_blk_get_from_parent(struct unit_test_state *uts) 156 { 157 struct udevice *dev, *blk; 158 159 ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev)); 160 ut_assertok(blk_get_from_parent(dev, &blk)); 161 162 ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev)); 163 ut_asserteq(-ENOTBLK, blk_get_from_parent(dev, &blk)); 164 165 ut_assertok(uclass_get_device(UCLASS_GPIO, 0, &dev)); 166 ut_asserteq(-ENODEV, blk_get_from_parent(dev, &blk)); 167 168 return 0; 169 } 170 DM_TEST(dm_test_blk_get_from_parent, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 171