diff options
Diffstat (limited to 'test/dm/of_platdata.c')
| -rw-r--r-- | test/dm/of_platdata.c | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/test/dm/of_platdata.c b/test/dm/of_platdata.c new file mode 100644 index 0000000..4f3cc15 --- /dev/null +++ b/test/dm/of_platdata.c @@ -0,0 +1,222 @@ +// 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 |