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- // 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
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