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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 | // SPDX-License-Identifier: GPL-2.0+ #include <common.h> #include <dm.h> #include <dt-structs.h> #include <dm/test.h> #include <test/test.h> #include <test/ut.h> /* Test that we can find a device using of-platdata */ static int dm_test_of_platdata_base(struct unit_test_state *uts) { struct udevice *dev; ut_assertok(uclass_first_device_err(UCLASS_SERIAL, &dev)); ut_asserteq_str("sandbox_serial", dev->name); return 0; } DM_TEST(dm_test_of_platdata_base, UT_TESTF_SCAN_PDATA); /* Test that we can read properties from a device */ static int dm_test_of_platdata_props(struct unit_test_state *uts) { struct dtd_sandbox_spl_test *plat; struct udevice *dev; int i; /* Skip the clock */ ut_assertok(uclass_first_device_err(UCLASS_MISC, &dev)); ut_asserteq_str("sandbox_clk_test", dev->name); ut_assertok(uclass_next_device_err(&dev)); plat = dev_get_platdata(dev); ut_assert(plat->boolval); ut_asserteq(1, plat->intval); ut_asserteq(4, ARRAY_SIZE(plat->intarray)); ut_asserteq(2, plat->intarray[0]); ut_asserteq(3, plat->intarray[1]); ut_asserteq(4, plat->intarray[2]); ut_asserteq(0, plat->intarray[3]); ut_asserteq(5, plat->byteval); ut_asserteq(3, ARRAY_SIZE(plat->bytearray)); ut_asserteq(6, plat->bytearray[0]); ut_asserteq(0, plat->bytearray[1]); ut_asserteq(0, plat->bytearray[2]); ut_asserteq(9, ARRAY_SIZE(plat->longbytearray)); for (i = 0; i < ARRAY_SIZE(plat->longbytearray); i++) ut_asserteq(9 + i, plat->longbytearray[i]); ut_asserteq_str("message", plat->stringval); ut_asserteq(3, ARRAY_SIZE(plat->stringarray)); ut_asserteq_str("multi-word", plat->stringarray[0]); ut_asserteq_str("message", plat->stringarray[1]); ut_asserteq_str("", plat->stringarray[2]); ut_assertok(uclass_next_device_err(&dev)); plat = dev_get_platdata(dev); ut_assert(!plat->boolval); ut_asserteq(3, plat->intval); ut_asserteq(5, plat->intarray[0]); ut_asserteq(0, plat->intarray[1]); ut_asserteq(0, plat->intarray[2]); ut_asserteq(0, plat->intarray[3]); ut_asserteq(8, plat->byteval); ut_asserteq(3, ARRAY_SIZE(plat->bytearray)); ut_asserteq(1, plat->bytearray[0]); ut_asserteq(0x23, plat->bytearray[1]); ut_asserteq(0x34, plat->bytearray[2]); for (i = 0; i < ARRAY_SIZE(plat->longbytearray); i++) ut_asserteq(i < 4 ? 9 + i : 0, plat->longbytearray[i]); ut_asserteq_str("message2", plat->stringval); ut_asserteq_str("another", plat->stringarray[0]); ut_asserteq_str("multi-word", plat->stringarray[1]); ut_asserteq_str("message", plat->stringarray[2]); ut_assertok(uclass_next_device_err(&dev)); plat = dev_get_platdata(dev); ut_assert(!plat->boolval); ut_asserteq_str("one", plat->stringarray[0]); ut_asserteq_str("", plat->stringarray[1]); ut_asserteq_str("", plat->stringarray[2]); ut_assertok(uclass_next_device_err(&dev)); plat = dev_get_platdata(dev); ut_assert(!plat->boolval); ut_asserteq_str("spl", plat->stringarray[0]); ut_asserteq(-ENODEV, uclass_next_device_err(&dev)); return 0; } DM_TEST(dm_test_of_platdata_props, UT_TESTF_SCAN_PDATA); /* * find_driver_info - recursively find the driver_info for a device * * This sets found[idx] to true when it finds the driver_info record for a * device, where idx is the index in the driver_info linker list. * * @uts: Test state * @parent: Parent to search * @found: bool array to update * @return 0 if OK, non-zero on error */ static int find_driver_info(struct unit_test_state *uts, struct udevice *parent, bool found[]) { struct udevice *dev; /* If not the root device, find the entry that caused it to be bound */ if (parent->parent) { const int n_ents = ll_entry_count(struct driver_info, driver_info); int idx = -1; int i; for (i = 0; i < n_ents; i++) { const struct driver_rt *drt = gd_dm_driver_rt() + i; if (drt->dev == parent) { idx = i; found[idx] = true; break; } } ut_assert(idx != -1); } device_foreach_child(dev, parent) { int ret; ret = find_driver_info(uts, dev, found); if (ret < 0) return ret; } return 0; } /* Check that every device is recorded in its driver_info struct */ static int dm_test_of_platdata_dev(struct unit_test_state *uts) { const struct driver_info *info = ll_entry_start(struct driver_info, driver_info); const int n_ents = ll_entry_count(struct driver_info, driver_info); bool found[n_ents]; uint i; /* Record the indexes that are found */ memset(found, '\0', sizeof(found)); ut_assertok(find_driver_info(uts, gd->dm_root, found)); /* Make sure that the driver entries without devices have no ->dev */ for (i = 0; i < n_ents; i++) { const struct driver_rt *drt = gd_dm_driver_rt() + i; const struct driver_info *entry = info + i; struct udevice *dev; if (found[i]) { /* Make sure we can find it */ ut_assertnonnull(drt->dev); ut_assertok(device_get_by_driver_info(entry, &dev)); ut_asserteq_ptr(dev, drt->dev); } else { ut_assertnull(drt->dev); ut_asserteq(-ENOENT, device_get_by_driver_info(entry, &dev)); } } return 0; } DM_TEST(dm_test_of_platdata_dev, UT_TESTF_SCAN_PDATA); /* Test handling of phandles that point to other devices */ static int dm_test_of_platdata_phandle(struct unit_test_state *uts) { struct dtd_sandbox_clk_test *plat; struct udevice *dev, *clk; ut_assertok(uclass_first_device_err(UCLASS_MISC, &dev)); ut_asserteq_str("sandbox_clk_test", dev->name); plat = dev_get_platdata(dev); ut_assertok(device_get_by_driver_info_idx(plat->clocks[0].idx, &clk)); ut_asserteq_str("fixed_clock", clk->name); ut_assertok(device_get_by_driver_info_idx(plat->clocks[1].idx, &clk)); ut_asserteq_str("sandbox_clk", clk->name); ut_asserteq(1, plat->clocks[1].arg[0]); ut_assertok(device_get_by_driver_info_idx(plat->clocks[2].idx, &clk)); ut_asserteq_str("sandbox_clk", clk->name); ut_asserteq(0, plat->clocks[2].arg[0]); ut_assertok(device_get_by_driver_info_idx(plat->clocks[3].idx, &clk)); ut_asserteq_str("sandbox_clk", clk->name); ut_asserteq(3, plat->clocks[3].arg[0]); ut_assertok(device_get_by_driver_info_idx(plat->clocks[4].idx, &clk)); ut_asserteq_str("sandbox_clk", clk->name); ut_asserteq(2, plat->clocks[4].arg[0]); return 0; } DM_TEST(dm_test_of_platdata_phandle, UT_TESTF_SCAN_PDATA); #if CONFIG_IS_ENABLED(OF_PLATDATA_PARENT) /* Test that device parents are correctly set up */ static int dm_test_of_platdata_parent(struct unit_test_state *uts) { struct udevice *rtc, *i2c; ut_assertok(uclass_first_device_err(UCLASS_RTC, &rtc)); ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c)); ut_asserteq_ptr(i2c, dev_get_parent(rtc)); return 0; } DM_TEST(dm_test_of_platdata_parent, UT_TESTF_SCAN_PDATA); #endif |