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/*
* Copyright (c) 2014 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <dm/root.h>
#include <dm/test.h>
#include <dm/ut.h>
#include <dm/util.h>
DECLARE_GLOBAL_DATA_PTR;
static int testbus_drv_probe(struct udevice *dev)
{
return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
}
static const struct udevice_id testbus_ids[] = {
{
.compatible = "denx,u-boot-test-bus",
.data = DM_TEST_TYPE_FIRST },
{ }
};
U_BOOT_DRIVER(testbus_drv) = {
.name = "testbus_drv",
.of_match = testbus_ids,
.id = UCLASS_TEST_BUS,
.probe = testbus_drv_probe,
.priv_auto_alloc_size = sizeof(struct dm_test_priv),
.platdata_auto_alloc_size = sizeof(struct dm_test_pdata),
};
UCLASS_DRIVER(testbus) = {
.name = "testbus",
.id = UCLASS_TEST_BUS,
};
/* Test that we can probe for children */
static int dm_test_bus_children(struct dm_test_state *dms)
{
int num_devices = 4;
struct udevice *bus;
struct uclass *uc;
ut_assertok(uclass_get(UCLASS_TEST_FDT, &uc));
ut_asserteq(num_devices, list_count_items(&uc->dev_head));
/* Probe the bus, which should yield 3 more devices */
ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
num_devices += 3;
ut_assertok(uclass_get(UCLASS_TEST_FDT, &uc));
ut_asserteq(num_devices, list_count_items(&uc->dev_head));
ut_assert(!dm_check_devices(dms, num_devices));
return 0;
}
DM_TEST(dm_test_bus_children, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Test our functions for accessing children */
static int dm_test_bus_children_funcs(struct dm_test_state *dms)
{
const void *blob = gd->fdt_blob;
struct udevice *bus, *dev;
int node;
ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
/* device_get_child() */
ut_assertok(device_get_child(bus, 0, &dev));
ut_asserteq(-ENODEV, device_get_child(bus, 4, &dev));
ut_assertok(device_get_child_by_seq(bus, 5, &dev));
ut_assert(dev->flags & DM_FLAG_ACTIVATED);
ut_asserteq_str("c-test@5", dev->name);
/* Device with sequence number 0 should be accessible */
ut_asserteq(-ENODEV, device_find_child_by_seq(bus, -1, true, &dev));
ut_assertok(device_find_child_by_seq(bus, 0, true, &dev));
ut_assert(!(dev->flags & DM_FLAG_ACTIVATED));
ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 0, false, &dev));
ut_assertok(device_get_child_by_seq(bus, 0, &dev));
ut_assert(dev->flags & DM_FLAG_ACTIVATED);
/* There is no device with sequence number 2 */
ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, false, &dev));
ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, true, &dev));
ut_asserteq(-ENODEV, device_get_child_by_seq(bus, 2, &dev));
/* Looking for something that is not a child */
node = fdt_path_offset(blob, "/junk");
ut_asserteq(-ENODEV, device_find_child_by_of_offset(bus, node, &dev));
node = fdt_path_offset(blob, "/d-test");
ut_asserteq(-ENODEV, device_find_child_by_of_offset(bus, node, &dev));
/* Find a valid child */
node = fdt_path_offset(blob, "/some-bus/c-test@1");
ut_assertok(device_find_child_by_of_offset(bus, node, &dev));
ut_assert(!(dev->flags & DM_FLAG_ACTIVATED));
ut_assertok(device_get_child_by_of_offset(bus, node, &dev));
ut_assert(dev->flags & DM_FLAG_ACTIVATED);
return 0;
}
DM_TEST(dm_test_bus_children_funcs, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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