diff options
Diffstat (limited to 'roms/u-boot/test/dm/test-fdt.c')
| -rw-r--r-- | roms/u-boot/test/dm/test-fdt.c | 1200 |
1 files changed, 1200 insertions, 0 deletions
diff --git a/roms/u-boot/test/dm/test-fdt.c b/roms/u-boot/test/dm/test-fdt.c new file mode 100644 index 000000000..8866d4d95 --- /dev/null +++ b/roms/u-boot/test/dm/test-fdt.c @@ -0,0 +1,1200 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2013 Google, Inc + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <fdtdec.h> +#include <log.h> +#include <malloc.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <dm/test.h> +#include <dm/root.h> +#include <dm/device-internal.h> +#include <dm/devres.h> +#include <dm/uclass-internal.h> +#include <dm/util.h> +#include <dm/lists.h> +#include <dm/of_access.h> +#include <linux/ioport.h> +#include <test/test.h> +#include <test/ut.h> + +DECLARE_GLOBAL_DATA_PTR; + +struct dm_testprobe_pdata { + int probe_err; +}; + +static int testprobe_drv_probe(struct udevice *dev) +{ + struct dm_testprobe_pdata *pdata = dev_get_plat(dev); + + return pdata->probe_err; +} + +static const struct udevice_id testprobe_ids[] = { + { .compatible = "denx,u-boot-probe-test" }, + { } +}; + +U_BOOT_DRIVER(testprobe_drv) = { + .name = "testprobe_drv", + .of_match = testprobe_ids, + .id = UCLASS_TEST_PROBE, + .probe = testprobe_drv_probe, + .plat_auto = sizeof(struct dm_testprobe_pdata), +}; + +UCLASS_DRIVER(testprobe) = { + .name = "testprobe", + .id = UCLASS_TEST_PROBE, + .flags = DM_UC_FLAG_SEQ_ALIAS, +}; + +struct dm_testdevres_pdata { + void *ptr; +}; + +struct dm_testdevres_priv { + void *ptr; + void *ptr_ofdata; +}; + +static int testdevres_drv_bind(struct udevice *dev) +{ + struct dm_testdevres_pdata *pdata = dev_get_plat(dev); + + pdata->ptr = devm_kmalloc(dev, TEST_DEVRES_SIZE, 0); + + return 0; +} + +static int testdevres_drv_of_to_plat(struct udevice *dev) +{ + struct dm_testdevres_priv *priv = dev_get_priv(dev); + + priv->ptr_ofdata = devm_kmalloc(dev, TEST_DEVRES_SIZE3, 0); + + return 0; +} + +static int testdevres_drv_probe(struct udevice *dev) +{ + struct dm_testdevres_priv *priv = dev_get_priv(dev); + + priv->ptr = devm_kmalloc(dev, TEST_DEVRES_SIZE2, 0); + + return 0; +} + +static const struct udevice_id testdevres_ids[] = { + { .compatible = "denx,u-boot-devres-test" }, + { } +}; + +U_BOOT_DRIVER(testdevres_drv) = { + .name = "testdevres_drv", + .of_match = testdevres_ids, + .id = UCLASS_TEST_DEVRES, + .bind = testdevres_drv_bind, + .of_to_plat = testdevres_drv_of_to_plat, + .probe = testdevres_drv_probe, + .plat_auto = sizeof(struct dm_testdevres_pdata), + .priv_auto = sizeof(struct dm_testdevres_priv), +}; + +UCLASS_DRIVER(testdevres) = { + .name = "testdevres", + .id = UCLASS_TEST_DEVRES, + .flags = DM_UC_FLAG_SEQ_ALIAS, +}; + +int dm_check_devices(struct unit_test_state *uts, int num_devices) +{ + struct udevice *dev; + int ret; + int i; + + /* + * Now check that the ping adds are what we expect. This is using the + * ping-add property in each node. + */ + for (i = 0; i < num_devices; i++) { + uint32_t base; + + ret = uclass_get_device(UCLASS_TEST_FDT, i, &dev); + ut_assert(!ret); + + /* + * Get the 'ping-expect' property, which tells us what the + * ping add should be. We don't use the plat because we + * want to test the code that sets that up + * (testfdt_drv_probe()). + */ + base = fdtdec_get_addr(gd->fdt_blob, dev_of_offset(dev), + "ping-expect"); + debug("dev=%d, base=%d: %s\n", i, base, + fdt_get_name(gd->fdt_blob, dev_of_offset(dev), NULL)); + + ut_assert(!dm_check_operations(uts, dev, base, + dev_get_priv(dev))); + } + + return 0; +} + +/* Test that FDT-based binding works correctly */ +static int dm_test_fdt(struct unit_test_state *uts) +{ + const int num_devices = 9; + struct udevice *dev; + struct uclass *uc; + int ret; + int i; + + ret = dm_extended_scan(false); + ut_assert(!ret); + + ret = uclass_get(UCLASS_TEST_FDT, &uc); + ut_assert(!ret); + + /* These are num_devices compatible root-level device tree nodes */ + ut_asserteq(num_devices, list_count_items(&uc->dev_head)); + + /* Each should have platform data but no private data */ + for (i = 0; i < num_devices; i++) { + ret = uclass_find_device(UCLASS_TEST_FDT, i, &dev); + ut_assert(!ret); + ut_assert(!dev_get_priv(dev)); + ut_assert(dev_get_plat(dev)); + } + + ut_assertok(dm_check_devices(uts, num_devices)); + + return 0; +} +DM_TEST(dm_test_fdt, 0); + +static int dm_test_alias_highest_id(struct unit_test_state *uts) +{ + int ret; + + ret = dev_read_alias_highest_id("ethernet"); + ut_asserteq(5, ret); + + ret = dev_read_alias_highest_id("gpio"); + ut_asserteq(3, ret); + + ret = dev_read_alias_highest_id("pci"); + ut_asserteq(2, ret); + + ret = dev_read_alias_highest_id("i2c"); + ut_asserteq(0, ret); + + ret = dev_read_alias_highest_id("deadbeef"); + ut_asserteq(-1, ret); + + return 0; +} +DM_TEST(dm_test_alias_highest_id, 0); + +static int dm_test_fdt_pre_reloc(struct unit_test_state *uts) +{ + struct uclass *uc; + int ret; + + ret = dm_scan_fdt(true); + ut_assert(!ret); + + ret = uclass_get(UCLASS_TEST_FDT, &uc); + ut_assert(!ret); + + /* + * These are 2 pre-reloc devices: + * one with "u-boot,dm-pre-reloc" property (a-test node), and the other + * one whose driver marked with DM_FLAG_PRE_RELOC flag (h-test node). + */ + ut_asserteq(2, list_count_items(&uc->dev_head)); + + return 0; +} +DM_TEST(dm_test_fdt_pre_reloc, 0); + +/* Test that sequence numbers are allocated properly */ +static int dm_test_fdt_uclass_seq(struct unit_test_state *uts) +{ + struct udevice *dev; + + /* A few basic santiy tests */ + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 3, &dev)); + ut_asserteq_str("b-test", dev->name); + ut_asserteq(3, dev_seq(dev)); + + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 8, &dev)); + ut_asserteq_str("a-test", dev->name); + ut_asserteq(8, dev_seq(dev)); + + /* + * This device has no alias so gets the next value after all available + * aliases. The last alias is testfdt12 + */ + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 13, &dev)); + ut_asserteq_str("d-test", dev->name); + ut_asserteq(13, dev_seq(dev)); + + ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 9, + &dev)); + ut_asserteq_ptr(NULL, dev); + + /* Test aliases */ + ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 6, &dev)); + ut_asserteq_str("e-test", dev->name); + ut_asserteq(6, dev_seq(dev)); + + /* + * Note that c-test nodes are not probed since it is not a top-level + * node + */ + ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 3, &dev)); + ut_asserteq_str("b-test", dev->name); + ut_asserteq(3, dev_seq(dev)); + + /* + * d-test wants sequence number 3 also, but it can't have it because + * b-test gets it first. + */ + ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 2, &dev)); + ut_asserteq_str("d-test", dev->name); + ut_asserteq(13, dev_seq(dev)); + + /* g-test gets the next value after f-test */ + ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 15, &dev)); + ut_asserteq_str("g-test", dev->name); + ut_asserteq(15, dev_seq(dev)); + + /* And we should still have holes in our sequence numbers */ + ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 0, + &dev)); + ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 1, + &dev)); + ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 2, + &dev)); + ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 4, + &dev)); + ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 7, + &dev)); + ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 9, + &dev)); + ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 10, + &dev)); + ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 11, + &dev)); + + return 0; +} +DM_TEST(dm_test_fdt_uclass_seq, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* More tests for sequence numbers */ +static int dm_test_fdt_uclass_seq_manual(struct unit_test_state *uts) +{ + struct udevice *dev; + + /* + * Since DM_UC_FLAG_NO_AUTO_SEQ is set for this uclass, only testfdtm1 + * should get a sequence number assigned + */ + ut_assertok(uclass_get_device(UCLASS_TEST_FDT_MANUAL, 0, &dev)); + ut_asserteq_str("testfdtm0", dev->name); + ut_asserteq(-1, dev_seq(dev)); + + ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT_MANUAL, 1, &dev)); + ut_asserteq_str("testfdtm1", dev->name); + ut_asserteq(1, dev_seq(dev)); + + ut_assertok(uclass_get_device(UCLASS_TEST_FDT_MANUAL, 2, &dev)); + ut_asserteq_str("testfdtm2", dev->name); + ut_asserteq(-1, dev_seq(dev)); + + return 0; +} +DM_TEST(dm_test_fdt_uclass_seq_manual, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +static int dm_test_fdt_uclass_seq_more(struct unit_test_state *uts) +{ + struct udevice *dev; + ofnode node; + + /* Check creating a device with an alias */ + node = ofnode_path("/some-bus/c-test@1"); + ut_assertok(device_bind(dm_root(), DM_DRIVER_GET(denx_u_boot_fdt_test), + "c-test@1", NULL, node, &dev)); + ut_asserteq(12, dev_seq(dev)); + ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 12, &dev)); + ut_asserteq_str("c-test@1", dev->name); + + /* + * Now bind a device without an alias. It should not get the next + * sequence number after all aliases, and existing bound devices. The + * last alias is 12, so we have: + * + * 13 d-test + * 14 f-test + * 15 g-test + * 16 h-test + * 17 another-test + * 18 chosen-test + * + * So next available is 19 + */ + ut_assertok(device_bind(dm_root(), DM_DRIVER_GET(denx_u_boot_fdt_test), + "fred", NULL, ofnode_null(), &dev)); + ut_asserteq(19, dev_seq(dev)); + + ut_assertok(device_bind(dm_root(), DM_DRIVER_GET(denx_u_boot_fdt_test), + "fred2", NULL, ofnode_null(), &dev)); + ut_asserteq(20, dev_seq(dev)); + + return 0; +} +DM_TEST(dm_test_fdt_uclass_seq_more, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test that we can find a device by device tree offset */ +static int dm_test_fdt_offset(struct unit_test_state *uts) +{ + const void *blob = gd->fdt_blob; + struct udevice *dev; + int node; + + node = fdt_path_offset(blob, "/e-test"); + ut_assert(node > 0); + ut_assertok(uclass_get_device_by_of_offset(UCLASS_TEST_FDT, node, + &dev)); + ut_asserteq_str("e-test", dev->name); + + /* This node should not be bound */ + node = fdt_path_offset(blob, "/junk"); + ut_assert(node > 0); + ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT, + node, &dev)); + + /* This is not a top level node so should not be probed */ + node = fdt_path_offset(blob, "/some-bus/c-test@5"); + ut_assert(node > 0); + ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT, + node, &dev)); + + return 0; +} +DM_TEST(dm_test_fdt_offset, + UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE); + +/** + * Test various error conditions with uclass_first_device() and + * uclass_next_device() + */ +static int dm_test_first_next_device(struct unit_test_state *uts) +{ + struct dm_testprobe_pdata *pdata; + struct udevice *dev, *parent = NULL; + int count; + int ret; + + /* There should be 4 devices */ + for (ret = uclass_first_device(UCLASS_TEST_PROBE, &dev), count = 0; + dev; + ret = uclass_next_device(&dev)) { + count++; + parent = dev_get_parent(dev); + } + ut_assertok(ret); + ut_asserteq(4, count); + + /* Remove them and try again, with an error on the second one */ + ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 1, &dev)); + pdata = dev_get_plat(dev); + pdata->probe_err = -ENOMEM; + device_remove(parent, DM_REMOVE_NORMAL); + ut_assertok(uclass_first_device(UCLASS_TEST_PROBE, &dev)); + ut_asserteq(-ENOMEM, uclass_next_device(&dev)); + ut_asserteq_ptr(dev, NULL); + + /* Now an error on the first one */ + ut_assertok(uclass_get_device(UCLASS_TEST_PROBE, 0, &dev)); + pdata = dev_get_plat(dev); + pdata->probe_err = -ENOENT; + device_remove(parent, DM_REMOVE_NORMAL); + ut_asserteq(-ENOENT, uclass_first_device(UCLASS_TEST_PROBE, &dev)); + + return 0; +} +DM_TEST(dm_test_first_next_device, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test iteration through devices in a uclass */ +static int dm_test_uclass_foreach(struct unit_test_state *uts) +{ + struct udevice *dev; + struct uclass *uc; + int count; + + count = 0; + uclass_id_foreach_dev(UCLASS_TEST_FDT, dev, uc) + count++; + ut_asserteq(9, count); + + count = 0; + uclass_foreach_dev(dev, uc) + count++; + ut_asserteq(9, count); + + return 0; +} +DM_TEST(dm_test_uclass_foreach, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/** + * check_devices() - Check return values and pointers + * + * This runs through a full sequence of uclass_first_device_check()... + * uclass_next_device_check() checking that the return values and devices + * are correct. + * + * @uts: Test state + * @devlist: List of expected devices + * @mask: Indicates which devices should return an error. Device n should + * return error (-NOENT - n) if bit n is set, or no error (i.e. 0) if + * bit n is clear. + */ +static int check_devices(struct unit_test_state *uts, + struct udevice *devlist[], int mask) +{ + int expected_ret; + struct udevice *dev; + int i; + + expected_ret = (mask & 1) ? -ENOENT : 0; + mask >>= 1; + ut_asserteq(expected_ret, + uclass_first_device_check(UCLASS_TEST_PROBE, &dev)); + for (i = 0; i < 4; i++) { + ut_asserteq_ptr(devlist[i], dev); + expected_ret = (mask & 1) ? -ENOENT - (i + 1) : 0; + mask >>= 1; + ut_asserteq(expected_ret, uclass_next_device_check(&dev)); + } + ut_asserteq_ptr(NULL, dev); + + return 0; +} + +/* Test uclass_first_device_check() and uclass_next_device_check() */ +static int dm_test_first_next_ok_device(struct unit_test_state *uts) +{ + struct dm_testprobe_pdata *pdata; + struct udevice *dev, *parent = NULL, *devlist[4]; + int count; + int ret; + + /* There should be 4 devices */ + count = 0; + for (ret = uclass_first_device_check(UCLASS_TEST_PROBE, &dev); + dev; + ret = uclass_next_device_check(&dev)) { + ut_assertok(ret); + devlist[count++] = dev; + parent = dev_get_parent(dev); + } + ut_asserteq(4, count); + ut_assertok(uclass_first_device_check(UCLASS_TEST_PROBE, &dev)); + ut_assertok(check_devices(uts, devlist, 0)); + + /* Remove them and try again, with an error on the second one */ + pdata = dev_get_plat(devlist[1]); + pdata->probe_err = -ENOENT - 1; + device_remove(parent, DM_REMOVE_NORMAL); + ut_assertok(check_devices(uts, devlist, 1 << 1)); + + /* Now an error on the first one */ + pdata = dev_get_plat(devlist[0]); + pdata->probe_err = -ENOENT - 0; + device_remove(parent, DM_REMOVE_NORMAL); + ut_assertok(check_devices(uts, devlist, 3 << 0)); + + /* Now errors on all */ + pdata = dev_get_plat(devlist[2]); + pdata->probe_err = -ENOENT - 2; + pdata = dev_get_plat(devlist[3]); + pdata->probe_err = -ENOENT - 3; + device_remove(parent, DM_REMOVE_NORMAL); + ut_assertok(check_devices(uts, devlist, 0xf << 0)); + + return 0; +} +DM_TEST(dm_test_first_next_ok_device, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +static const struct udevice_id fdt_dummy_ids[] = { + { .compatible = "denx,u-boot-fdt-dummy", }, + { } +}; + +UCLASS_DRIVER(fdt_dummy) = { + .name = "fdt-dummy", + .id = UCLASS_TEST_DUMMY, + .flags = DM_UC_FLAG_SEQ_ALIAS, +}; + +U_BOOT_DRIVER(fdt_dummy_drv) = { + .name = "fdt_dummy_drv", + .of_match = fdt_dummy_ids, + .id = UCLASS_TEST_DUMMY, +}; + +static int dm_test_fdt_translation(struct unit_test_state *uts) +{ + struct udevice *dev; + fdt32_t dma_addr[2]; + + /* Some simple translations */ + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev)); + ut_asserteq_str("dev@0,0", dev->name); + ut_asserteq(0x8000, dev_read_addr(dev)); + + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, &dev)); + ut_asserteq_str("dev@1,100", dev->name); + ut_asserteq(0x9000, dev_read_addr(dev)); + + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 2, &dev)); + ut_asserteq_str("dev@2,200", dev->name); + ut_asserteq(0xA000, dev_read_addr(dev)); + + /* No translation for busses with #size-cells == 0 */ + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 3, &dev)); + ut_asserteq_str("dev@42", dev->name); + ut_asserteq(0x42, dev_read_addr(dev)); + + /* dma address translation */ + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev)); + dma_addr[0] = cpu_to_be32(0); + dma_addr[1] = cpu_to_be32(0); + ut_asserteq(0x10000000, dev_translate_dma_address(dev, dma_addr)); + + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 1, &dev)); + dma_addr[0] = cpu_to_be32(1); + dma_addr[1] = cpu_to_be32(0x100); + ut_asserteq(0x20000000, dev_translate_dma_address(dev, dma_addr)); + + return 0; +} +DM_TEST(dm_test_fdt_translation, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +static int dm_test_fdt_get_addr_ptr_flat(struct unit_test_state *uts) +{ + struct udevice *gpio, *dev; + void *ptr; + + /* Test for missing reg property */ + ut_assertok(uclass_first_device_err(UCLASS_GPIO, &gpio)); + ut_assertnull(devfdt_get_addr_ptr(gpio)); + + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev)); + ptr = devfdt_get_addr_ptr(dev); + ut_asserteq_ptr((void *)0x8000, ptr); + + return 0; +} +DM_TEST(dm_test_fdt_get_addr_ptr_flat, + UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE); + +static int dm_test_fdt_remap_addr_flat(struct unit_test_state *uts) +{ + struct udevice *dev; + fdt_addr_t addr; + void *paddr; + + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev)); + + addr = devfdt_get_addr(dev); + ut_asserteq(0x8000, addr); + + paddr = map_physmem(addr, 0, MAP_NOCACHE); + ut_assertnonnull(paddr); + ut_asserteq_ptr(paddr, devfdt_remap_addr(dev)); + + return 0; +} +DM_TEST(dm_test_fdt_remap_addr_flat, + UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE); + +static int dm_test_fdt_remap_addr_index_flat(struct unit_test_state *uts) +{ + struct udevice *dev; + fdt_addr_t addr; + fdt_size_t size; + void *paddr; + + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev)); + + addr = devfdt_get_addr_size_index(dev, 0, &size); + ut_asserteq(0x8000, addr); + ut_asserteq(0x1000, size); + + paddr = map_physmem(addr, 0, MAP_NOCACHE); + ut_assertnonnull(paddr); + ut_asserteq_ptr(paddr, devfdt_remap_addr_index(dev, 0)); + + return 0; +} +DM_TEST(dm_test_fdt_remap_addr_index_flat, + UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE); + +static int dm_test_fdt_remap_addr_name_flat(struct unit_test_state *uts) +{ + struct udevice *dev; + fdt_addr_t addr; + fdt_size_t size; + void *paddr; + + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev)); + + addr = devfdt_get_addr_size_name(dev, "sandbox-dummy-0", &size); + ut_asserteq(0x8000, addr); + ut_asserteq(0x1000, size); + + paddr = map_physmem(addr, 0, MAP_NOCACHE); + ut_assertnonnull(paddr); + ut_asserteq_ptr(paddr, devfdt_remap_addr_name(dev, "sandbox-dummy-0")); + + return 0; +} +DM_TEST(dm_test_fdt_remap_addr_name_flat, + UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE); + +static int dm_test_fdt_remap_addr_live(struct unit_test_state *uts) +{ + struct udevice *dev; + fdt_addr_t addr; + void *paddr; + + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev)); + + addr = dev_read_addr(dev); + ut_asserteq(0x8000, addr); + + paddr = map_physmem(addr, 0, MAP_NOCACHE); + ut_assertnonnull(paddr); + ut_asserteq_ptr(paddr, dev_remap_addr(dev)); + + return 0; +} +DM_TEST(dm_test_fdt_remap_addr_live, + UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +static int dm_test_fdt_remap_addr_index_live(struct unit_test_state *uts) +{ + struct udevice *dev; + fdt_addr_t addr; + fdt_size_t size; + void *paddr; + + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev)); + + addr = dev_read_addr_size_index(dev, 0, &size); + ut_asserteq(0x8000, addr); + ut_asserteq(0x1000, size); + + paddr = map_physmem(addr, 0, MAP_NOCACHE); + ut_assertnonnull(paddr); + ut_asserteq_ptr(paddr, dev_remap_addr_index(dev, 0)); + + return 0; +} +DM_TEST(dm_test_fdt_remap_addr_index_live, + UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +static int dm_test_fdt_remap_addr_name_live(struct unit_test_state *uts) +{ + struct udevice *dev; + fdt_addr_t addr; + fdt_size_t size; + void *paddr; + + ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, &dev)); + + addr = dev_read_addr_size_name(dev, "sandbox-dummy-0", &size); + ut_asserteq(0x8000, addr); + ut_asserteq(0x1000, size); + + paddr = map_physmem(addr, 0, MAP_NOCACHE); + ut_assertnonnull(paddr); + ut_asserteq_ptr(paddr, dev_remap_addr_name(dev, "sandbox-dummy-0")); + + return 0; +} +DM_TEST(dm_test_fdt_remap_addr_name_live, + UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +static int dm_test_fdt_livetree_writing(struct unit_test_state *uts) +{ + struct udevice *dev; + ofnode node; + + if (!of_live_active()) { + printf("Live tree not active; ignore test\n"); + return 0; + } + + /* Test enabling devices */ + + node = ofnode_path("/usb@2"); + + ut_assert(!of_device_is_available(ofnode_to_np(node))); + ofnode_set_enabled(node, true); + ut_assert(of_device_is_available(ofnode_to_np(node))); + + device_bind_driver_to_node(dm_root(), "usb_sandbox", "usb@2", node, + &dev); + ut_assertok(uclass_find_device_by_seq(UCLASS_USB, 2, &dev)); + + /* Test string property setting */ + + ut_assert(device_is_compatible(dev, "sandbox,usb")); + ofnode_write_string(node, "compatible", "gdsys,super-usb"); + ut_assert(device_is_compatible(dev, "gdsys,super-usb")); + ofnode_write_string(node, "compatible", "sandbox,usb"); + ut_assert(device_is_compatible(dev, "sandbox,usb")); + + /* Test setting generic properties */ + + /* Non-existent in DTB */ + ut_asserteq(FDT_ADDR_T_NONE, dev_read_addr(dev)); + /* reg = 0x42, size = 0x100 */ + ut_assertok(ofnode_write_prop(node, "reg", 8, + "\x00\x00\x00\x42\x00\x00\x01\x00")); + ut_asserteq(0x42, dev_read_addr(dev)); + + /* Test disabling devices */ + + device_remove(dev, DM_REMOVE_NORMAL); + device_unbind(dev); + + ut_assert(of_device_is_available(ofnode_to_np(node))); + ofnode_set_enabled(node, false); + ut_assert(!of_device_is_available(ofnode_to_np(node))); + + return 0; +} +DM_TEST(dm_test_fdt_livetree_writing, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +static int dm_test_fdt_disable_enable_by_path(struct unit_test_state *uts) +{ + ofnode node; + + if (!of_live_active()) { + printf("Live tree not active; ignore test\n"); + return 0; + } + + node = ofnode_path("/usb@2"); + + /* Test enabling devices */ + + ut_assert(!of_device_is_available(ofnode_to_np(node))); + dev_enable_by_path("/usb@2"); + ut_assert(of_device_is_available(ofnode_to_np(node))); + + /* Test disabling devices */ + + ut_assert(of_device_is_available(ofnode_to_np(node))); + dev_disable_by_path("/usb@2"); + ut_assert(!of_device_is_available(ofnode_to_np(node))); + + return 0; +} +DM_TEST(dm_test_fdt_disable_enable_by_path, UT_TESTF_SCAN_PDATA | + UT_TESTF_SCAN_FDT); + +/* Test a few uclass phandle functions */ +static int dm_test_fdt_phandle(struct unit_test_state *uts) +{ + struct udevice *back, *dev, *dev2; + + ut_assertok(uclass_find_first_device(UCLASS_PANEL_BACKLIGHT, &back)); + ut_assertnonnull(back); + ut_asserteq(-ENOENT, uclass_find_device_by_phandle(UCLASS_REGULATOR, + back, "missing", &dev)); + ut_assertok(uclass_find_device_by_phandle(UCLASS_REGULATOR, back, + "power-supply", &dev)); + ut_assertnonnull(dev); + ut_asserteq(0, device_active(dev)); + ut_asserteq_str("ldo1", dev->name); + ut_assertok(uclass_get_device_by_phandle(UCLASS_REGULATOR, back, + "power-supply", &dev2)); + ut_asserteq_ptr(dev, dev2); + + return 0; +} +DM_TEST(dm_test_fdt_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test device_find_first_child_by_uclass() */ +static int dm_test_first_child(struct unit_test_state *uts) +{ + struct udevice *i2c, *dev, *dev2; + + ut_assertok(uclass_first_device_err(UCLASS_I2C, &i2c)); + ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_RTC, &dev)); + ut_asserteq_str("rtc@43", dev->name); + ut_assertok(device_find_child_by_name(i2c, "rtc@43", &dev2)); + ut_asserteq_ptr(dev, dev2); + ut_assertok(device_find_child_by_name(i2c, "rtc@61", &dev2)); + ut_asserteq_str("rtc@61", dev2->name); + + ut_assertok(device_find_first_child_by_uclass(i2c, UCLASS_I2C_EEPROM, + &dev)); + ut_asserteq_str("eeprom@2c", dev->name); + ut_assertok(device_find_child_by_name(i2c, "eeprom@2c", &dev2)); + ut_asserteq_ptr(dev, dev2); + + ut_asserteq(-ENODEV, device_find_first_child_by_uclass(i2c, + UCLASS_VIDEO, &dev)); + ut_asserteq(-ENODEV, device_find_child_by_name(i2c, "missing", &dev)); + + return 0; +} +DM_TEST(dm_test_first_child, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test integer functions in dm_read_...() */ +static int dm_test_read_int(struct unit_test_state *uts) +{ + struct udevice *dev; + u32 val32; + s32 sval; + uint val; + u64 val64; + + ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev)); + ut_asserteq_str("a-test", dev->name); + ut_assertok(dev_read_u32(dev, "int-value", &val32)); + ut_asserteq(1234, val32); + + ut_asserteq(-EINVAL, dev_read_u32(dev, "missing", &val32)); + ut_asserteq(6, dev_read_u32_default(dev, "missing", 6)); + + ut_asserteq(1234, dev_read_u32_default(dev, "int-value", 6)); + ut_asserteq(1234, val32); + + ut_asserteq(-EINVAL, dev_read_s32(dev, "missing", &sval)); + ut_asserteq(6, dev_read_s32_default(dev, "missing", 6)); + + ut_asserteq(-1234, dev_read_s32_default(dev, "uint-value", 6)); + ut_assertok(dev_read_s32(dev, "uint-value", &sval)); + ut_asserteq(-1234, sval); + + val = 0; + ut_asserteq(-EINVAL, dev_read_u32u(dev, "missing", &val)); + ut_assertok(dev_read_u32u(dev, "uint-value", &val)); + ut_asserteq(-1234, val); + + ut_assertok(dev_read_u64(dev, "int64-value", &val64)); + ut_asserteq_64(0x1111222233334444, val64); + + ut_asserteq_64(-EINVAL, dev_read_u64(dev, "missing", &val64)); + ut_asserteq_64(6, dev_read_u64_default(dev, "missing", 6)); + + ut_asserteq_64(0x1111222233334444, + dev_read_u64_default(dev, "int64-value", 6)); + + return 0; +} +DM_TEST(dm_test_read_int, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +static int dm_test_read_int_index(struct unit_test_state *uts) +{ + struct udevice *dev; + u32 val32; + + ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev)); + ut_asserteq_str("a-test", dev->name); + + ut_asserteq(-EINVAL, dev_read_u32_index(dev, "missing", 0, &val32)); + ut_asserteq(19, dev_read_u32_index_default(dev, "missing", 0, 19)); + + ut_assertok(dev_read_u32_index(dev, "int-array", 0, &val32)); + ut_asserteq(5678, val32); + ut_assertok(dev_read_u32_index(dev, "int-array", 1, &val32)); + ut_asserteq(9123, val32); + ut_assertok(dev_read_u32_index(dev, "int-array", 2, &val32)); + ut_asserteq(4567, val32); + ut_asserteq(-EOVERFLOW, dev_read_u32_index(dev, "int-array", 3, + &val32)); + + ut_asserteq(5678, dev_read_u32_index_default(dev, "int-array", 0, 2)); + ut_asserteq(9123, dev_read_u32_index_default(dev, "int-array", 1, 2)); + ut_asserteq(4567, dev_read_u32_index_default(dev, "int-array", 2, 2)); + ut_asserteq(2, dev_read_u32_index_default(dev, "int-array", 3, 2)); + + return 0; +} +DM_TEST(dm_test_read_int_index, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +static int dm_test_read_phandle(struct unit_test_state *uts) +{ + struct udevice *dev; + struct ofnode_phandle_args args; + int ret; + const char prop[] = "test-gpios"; + const char cell[] = "#gpio-cells"; + const char prop2[] = "phandle-value"; + + ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev)); + ut_asserteq_str("a-test", dev->name); + + /* Test dev_count_phandle_with_args with cell name */ + ret = dev_count_phandle_with_args(dev, "missing", cell, 0); + ut_asserteq(-ENOENT, ret); + ret = dev_count_phandle_with_args(dev, prop, "#invalid", 0); + ut_asserteq(-EINVAL, ret); + ut_asserteq(5, dev_count_phandle_with_args(dev, prop, cell, 0)); + + /* Test dev_read_phandle_with_args with cell name */ + ret = dev_read_phandle_with_args(dev, "missing", cell, 0, 0, &args); + ut_asserteq(-ENOENT, ret); + ret = dev_read_phandle_with_args(dev, prop, "#invalid", 0, 0, &args); + ut_asserteq(-EINVAL, ret); + ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 0, &args)); + ut_asserteq(1, args.args_count); + ut_asserteq(1, args.args[0]); + ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 1, &args)); + ut_asserteq(1, args.args_count); + ut_asserteq(4, args.args[0]); + ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 2, &args)); + ut_asserteq(5, args.args_count); + ut_asserteq(5, args.args[0]); + ut_asserteq(1, args.args[4]); + ret = dev_read_phandle_with_args(dev, prop, cell, 0, 3, &args); + ut_asserteq(-ENOENT, ret); + ut_assertok(dev_read_phandle_with_args(dev, prop, cell, 0, 4, &args)); + ut_asserteq(1, args.args_count); + ut_asserteq(12, args.args[0]); + ret = dev_read_phandle_with_args(dev, prop, cell, 0, 5, &args); + ut_asserteq(-ENOENT, ret); + + /* Test dev_count_phandle_with_args with cell count */ + ret = dev_count_phandle_with_args(dev, "missing", NULL, 2); + ut_asserteq(-ENOENT, ret); + ut_asserteq(3, dev_count_phandle_with_args(dev, prop2, NULL, 1)); + + /* Test dev_read_phandle_with_args with cell count */ + ut_assertok(dev_read_phandle_with_args(dev, prop2, NULL, 1, 0, &args)); + ut_asserteq(1, ofnode_valid(args.node)); + ut_asserteq(1, args.args_count); + ut_asserteq(10, args.args[0]); + ret = dev_read_phandle_with_args(dev, prop2, NULL, 1, 1, &args); + ut_asserteq(-EINVAL, ret); + ut_assertok(dev_read_phandle_with_args(dev, prop2, NULL, 1, 2, &args)); + ut_asserteq(1, ofnode_valid(args.node)); + ut_asserteq(1, args.args_count); + ut_asserteq(30, args.args[0]); + ret = dev_read_phandle_with_args(dev, prop2, NULL, 1, 3, &args); + ut_asserteq(-ENOENT, ret); + + return 0; +} +DM_TEST(dm_test_read_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test iteration through devices by drvdata */ +static int dm_test_uclass_drvdata(struct unit_test_state *uts) +{ + struct udevice *dev; + + ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT, + DM_TEST_TYPE_FIRST, &dev)); + ut_asserteq_str("a-test", dev->name); + + ut_assertok(uclass_first_device_drvdata(UCLASS_TEST_FDT, + DM_TEST_TYPE_SECOND, &dev)); + ut_asserteq_str("d-test", dev->name); + + ut_asserteq(-ENODEV, uclass_first_device_drvdata(UCLASS_TEST_FDT, + DM_TEST_TYPE_COUNT, + &dev)); + + return 0; +} +DM_TEST(dm_test_uclass_drvdata, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test device_first_child_ofdata_err(), etc. */ +static int dm_test_child_ofdata(struct unit_test_state *uts) +{ + struct udevice *bus, *dev; + int count; + + ut_assertok(uclass_first_device_err(UCLASS_TEST_BUS, &bus)); + count = 0; + device_foreach_child_of_to_plat(dev, bus) { + ut_assert(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID); + ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED)); + count++; + } + ut_asserteq(3, count); + + return 0; +} +DM_TEST(dm_test_child_ofdata, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test device_first_child_err(), etc. */ +static int dm_test_first_child_probe(struct unit_test_state *uts) +{ + struct udevice *bus, *dev; + int count; + + ut_assertok(uclass_first_device_err(UCLASS_TEST_BUS, &bus)); + count = 0; + device_foreach_child_probe(dev, bus) { + ut_assert(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID); + ut_assert(dev_get_flags(dev) & DM_FLAG_ACTIVATED); + count++; + } + ut_asserteq(3, count); + + return 0; +} +DM_TEST(dm_test_first_child_probe, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test that ofdata is read for parents before children */ +static int dm_test_ofdata_order(struct unit_test_state *uts) +{ + struct udevice *bus, *dev; + + ut_assertok(uclass_find_first_device(UCLASS_I2C, &bus)); + ut_assertnonnull(bus); + ut_assert(!(dev_get_flags(bus) & DM_FLAG_PLATDATA_VALID)); + + ut_assertok(device_find_first_child(bus, &dev)); + ut_assertnonnull(dev); + ut_assert(!(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID)); + + /* read the child's ofdata which should cause the parent's to be read */ + ut_assertok(device_of_to_plat(dev)); + ut_assert(dev_get_flags(dev) & DM_FLAG_PLATDATA_VALID); + ut_assert(dev_get_flags(bus) & DM_FLAG_PLATDATA_VALID); + + ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED)); + ut_assert(!(dev_get_flags(bus) & DM_FLAG_ACTIVATED)); + + return 0; +} +DM_TEST(dm_test_ofdata_order, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test dev_decode_display_timing() */ +static int dm_test_decode_display_timing(struct unit_test_state *uts) +{ + struct udevice *dev; + struct display_timing timing; + + ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev)); + ut_asserteq_str("a-test", dev->name); + + ut_assertok(dev_decode_display_timing(dev, 0, &timing)); + ut_assert(timing.hactive.typ == 240); + ut_assert(timing.hback_porch.typ == 7); + ut_assert(timing.hfront_porch.typ == 6); + ut_assert(timing.hsync_len.typ == 1); + ut_assert(timing.vactive.typ == 320); + ut_assert(timing.vback_porch.typ == 5); + ut_assert(timing.vfront_porch.typ == 8); + ut_assert(timing.vsync_len.typ == 2); + ut_assert(timing.pixelclock.typ == 6500000); + ut_assert(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH); + ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_LOW)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH)); + ut_assert(timing.flags & DISPLAY_FLAGS_VSYNC_LOW); + ut_assert(timing.flags & DISPLAY_FLAGS_DE_HIGH); + ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_LOW)); + ut_assert(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE); + ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)); + ut_assert(timing.flags & DISPLAY_FLAGS_INTERLACED); + ut_assert(timing.flags & DISPLAY_FLAGS_DOUBLESCAN); + ut_assert(timing.flags & DISPLAY_FLAGS_DOUBLECLK); + + ut_assertok(dev_decode_display_timing(dev, 1, &timing)); + ut_assert(timing.hactive.typ == 480); + ut_assert(timing.hback_porch.typ == 59); + ut_assert(timing.hfront_porch.typ == 10); + ut_assert(timing.hsync_len.typ == 12); + ut_assert(timing.vactive.typ == 800); + ut_assert(timing.vback_porch.typ == 15); + ut_assert(timing.vfront_porch.typ == 17); + ut_assert(timing.vsync_len.typ == 16); + ut_assert(timing.pixelclock.typ == 9000000); + ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH)); + ut_assert(timing.flags & DISPLAY_FLAGS_HSYNC_LOW); + ut_assert(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH); + ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_LOW)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_HIGH)); + ut_assert(timing.flags & DISPLAY_FLAGS_DE_LOW); + ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)); + ut_assert(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE); + ut_assert(!(timing.flags & DISPLAY_FLAGS_INTERLACED)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLESCAN)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLECLK)); + + ut_assertok(dev_decode_display_timing(dev, 2, &timing)); + ut_assert(timing.hactive.typ == 800); + ut_assert(timing.hback_porch.typ == 89); + ut_assert(timing.hfront_porch.typ == 164); + ut_assert(timing.hsync_len.typ == 11); + ut_assert(timing.vactive.typ == 480); + ut_assert(timing.vback_porch.typ == 23); + ut_assert(timing.vfront_porch.typ == 10); + ut_assert(timing.vsync_len.typ == 13); + ut_assert(timing.pixelclock.typ == 33500000); + ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_HIGH)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_HSYNC_LOW)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_HIGH)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_VSYNC_LOW)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_HIGH)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_DE_LOW)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_INTERLACED)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLESCAN)); + ut_assert(!(timing.flags & DISPLAY_FLAGS_DOUBLECLK)); + + ut_assert(dev_decode_display_timing(dev, 3, &timing)); + return 0; +} +DM_TEST(dm_test_decode_display_timing, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test read_resourcee() */ +static int dm_test_read_resource(struct unit_test_state *uts) +{ + struct udevice *dev; + struct resource res; + + /* test resource without translation */ + ut_assertok(uclass_find_device_by_name(UCLASS_SIMPLE_BUS, "syscon@2", &dev)); + ut_assertok(dev_read_resource(dev, 0, &res)); + ut_asserteq(0x40, res.start); + ut_asserteq(0x44, res.end); + ut_assertok(dev_read_resource(dev, 1, &res)); + ut_asserteq(0x48, res.start); + ut_asserteq(0x4d, res.end); + + /* test resource with translation */ + ut_assertok(uclass_find_device_by_name(UCLASS_TEST_DUMMY, "dev@1,100", &dev)); + ut_assertok(dev_read_resource(dev, 0, &res)); + ut_asserteq(0x9000, res.start); + ut_asserteq(0x9fff, res.end); + + /* test named resource */ + ut_assertok(uclass_find_device_by_name(UCLASS_TEST_DUMMY, "dev@0,0", &dev)); + ut_assertok(dev_read_resource_byname(dev, "sandbox-dummy-0", &res)); + ut_asserteq(0x8000, res.start); + ut_asserteq(0x8fff, res.end); + + return 0; +} + +DM_TEST(dm_test_read_resource, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); |