2 * Copyright (c) 2013 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0+
16 #include <dm/uclass-internal.h>
19 DECLARE_GLOBAL_DATA_PTR;
21 static int testfdt_drv_ping(struct udevice *dev, int pingval, int *pingret)
23 const struct dm_test_pdata *pdata = dev->platdata;
24 struct dm_test_priv *priv = dev_get_priv(dev);
26 *pingret = pingval + pdata->ping_add;
27 priv->ping_total += *pingret;
32 static const struct test_ops test_ops = {
33 .ping = testfdt_drv_ping,
36 static int testfdt_ofdata_to_platdata(struct udevice *dev)
38 struct dm_test_pdata *pdata = dev_get_platdata(dev);
40 pdata->ping_add = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
42 pdata->base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset,
48 static int testfdt_drv_probe(struct udevice *dev)
50 struct dm_test_priv *priv = dev_get_priv(dev);
52 priv->ping_total += DM_TEST_START_TOTAL;
57 static const struct udevice_id testfdt_ids[] = {
59 .compatible = "denx,u-boot-fdt-test",
60 .data = DM_TEST_TYPE_FIRST },
62 .compatible = "google,another-fdt-test",
63 .data = DM_TEST_TYPE_SECOND },
67 U_BOOT_DRIVER(testfdt_drv) = {
68 .name = "testfdt_drv",
69 .of_match = testfdt_ids,
70 .id = UCLASS_TEST_FDT,
71 .ofdata_to_platdata = testfdt_ofdata_to_platdata,
72 .probe = testfdt_drv_probe,
74 .priv_auto_alloc_size = sizeof(struct dm_test_priv),
75 .platdata_auto_alloc_size = sizeof(struct dm_test_pdata),
78 /* From here is the testfdt uclass code */
79 int testfdt_ping(struct udevice *dev, int pingval, int *pingret)
81 const struct test_ops *ops = device_get_ops(dev);
86 return ops->ping(dev, pingval, pingret);
89 UCLASS_DRIVER(testfdt) = {
91 .id = UCLASS_TEST_FDT,
94 /* Test that FDT-based binding works correctly */
95 static int dm_test_fdt(struct dm_test_state *dms)
97 const int num_drivers = 3;
103 ret = dm_scan_fdt(gd->fdt_blob, false);
106 ret = uclass_get(UCLASS_TEST_FDT, &uc);
109 /* These are num_drivers compatible root-level device tree nodes */
110 ut_asserteq(num_drivers, list_count_items(&uc->dev_head));
112 /* Each should have no platdata / priv */
113 for (i = 0; i < num_drivers; i++) {
114 ret = uclass_find_device(UCLASS_TEST_FDT, i, &dev);
116 ut_assert(!dev_get_priv(dev));
117 ut_assert(!dev->platdata);
121 * Now check that the ping adds are what we expect. This is using the
122 * ping-add property in each node.
124 for (i = 0; i < num_drivers; i++) {
127 ret = uclass_get_device(UCLASS_TEST_FDT, i, &dev);
131 * Get the 'ping-expect' property, which tells us what the
132 * ping add should be. We don't use the platdata because we
133 * want to test the code that sets that up
134 * (testfdt_drv_probe()).
136 base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset,
138 debug("dev=%d, base=%d: %s\n", i, base,
139 fdt_get_name(gd->fdt_blob, dev->of_offset, NULL));
141 ut_assert(!dm_check_operations(dms, dev, base,
147 DM_TEST(dm_test_fdt, 0);
149 static int dm_test_fdt_pre_reloc(struct dm_test_state *dms)
154 ret = dm_scan_fdt(gd->fdt_blob, true);
157 ret = uclass_get(UCLASS_TEST_FDT, &uc);
160 /* These is only one pre-reloc device */
161 ut_asserteq(1, list_count_items(&uc->dev_head));
165 DM_TEST(dm_test_fdt_pre_reloc, 0);