/* 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, true, &dev));
ut_asserteq_str("b-test", dev->name);
ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 8, true, &dev));
ut_asserteq_str("a-test", dev->name);
ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 5,
true, &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(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 7,
true, &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);
/*
* 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);
/* d-test actually gets 0 */
ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 0, &dev));
ut_asserteq_str("d-test", dev->name);
/* initially no one wants seq 1 */
ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_TEST_FDT, 1,
&dev));
ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 4, &dev));
/* But now that it is probed, we can find it */
ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 1, &dev));
ut_asserteq_str("f-test", dev->name);
return 0;
}
static int on_ethaddr(const char *name, const char *value, enum env_op op,
int flags)
{
int index;
int retval;
struct udevice *dev;
/* look for an index after "eth" */
index = simple_strtoul(name + 3, NULL, 10);
retval = uclass_find_device_by_seq(UCLASS_ETH, index, false, &dev);
if (!retval) {
struct eth_pdata *pdata = dev->platdata;
switch (op) {
case env_op_create:
case env_op_overwrite:
eth_parse_enetaddr(value, pdata->enetaddr);
eth_write_hwaddr(dev);
break;
case env_op_delete:
memset(pdata->enetaddr, 0, ARP_HLEN);
}
}
return 0;
}
int spi_cs_is_valid(unsigned int busnum, unsigned int cs)
{
struct spi_cs_info info;
struct udevice *bus;
int ret;
ret = uclass_find_device_by_seq(UCLASS_SPI, busnum, false, &bus);
if (ret) {
debug("%s: No bus %d\n", __func__, busnum);
return ret;
}
return spi_cs_info(bus, cs, &info);
}
int spi_find_bus_and_cs(int busnum, int cs, struct udevice **busp,
struct udevice **devp)
{
struct udevice *bus, *dev;
int ret;
ret = uclass_find_device_by_seq(UCLASS_SPI, busnum, false, &bus);
if (ret) {
debug("%s: No bus %d\n", __func__, busnum);
return ret;
}
ret = spi_find_chip_select(bus, cs, &dev);
if (ret) {
debug("%s: No cs %d\n", __func__, cs);
return ret;
}
*busp = bus;
*devp = dev;
return ret;
}
/* Test that we can find buses and chip-selects */
static int dm_test_spi_find(struct dm_test_state *dms)
{
struct sandbox_state *state = state_get_current();
struct spi_slave *slave;
struct udevice *bus, *dev;
const int busnum = 0, cs = 0, mode = 0, speed = 1000000, cs_b = 1;
struct spi_cs_info info;
int of_offset;
ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_SPI, busnum,
false, &bus));
/*
* spi_post_bind() will bind devices to chip selects. Check this then
* remove the emulation and the slave device.
*/
ut_asserteq(0, uclass_get_device_by_seq(UCLASS_SPI, busnum, &bus));
ut_assertok(spi_cs_info(bus, cs, &info));
of_offset = info.dev->of_offset;
device_remove(info.dev);
device_unbind(info.dev);
/*
* Even though the device is gone, the sandbox SPI drivers always
* reports that CS 0 is present
*/
ut_assertok(spi_cs_info(bus, cs, &info));
ut_asserteq_ptr(NULL, info.dev);
/* This finds nothing because we removed the device */
ut_asserteq(-ENODEV, spi_find_bus_and_cs(busnum, cs, &bus, &dev));
ut_asserteq(-ENODEV, spi_get_bus_and_cs(busnum, cs, speed, mode,
NULL, 0, &bus, &slave));
/*
* This forces the device to be re-added, but there is no emulation
* connected so the probe will fail. We require that bus is left
* alone on failure, and that the spi_get_bus_and_cs() does not add
* a 'partially-inited' device.
*/
ut_asserteq(-ENODEV, spi_find_bus_and_cs(busnum, cs, &bus, &dev));
ut_asserteq(-ENOENT, spi_get_bus_and_cs(busnum, cs, speed, mode,
"spi_flash_std", "name", &bus,
&slave));
sandbox_sf_unbind_emul(state_get_current(), busnum, cs);
ut_assertok(spi_cs_info(bus, cs, &info));
ut_asserteq_ptr(NULL, info.dev);
/* Add the emulation and try again */
ut_assertok(sandbox_sf_bind_emul(state, busnum, cs, bus, of_offset,
"name"));
ut_assertok(spi_find_bus_and_cs(busnum, cs, &bus, &dev));
ut_assertok(spi_get_bus_and_cs(busnum, cs, speed, mode,
"spi_flash_std", "name", &bus, &slave));
ut_assertok(spi_cs_info(bus, cs, &info));
ut_asserteq_ptr(info.dev, slave->dev);
/* We should be able to add something to another chip select */
ut_assertok(sandbox_sf_bind_emul(state, busnum, cs_b, bus, of_offset,
"name"));
ut_assertok(spi_get_bus_and_cs(busnum, cs_b, speed, mode,
"spi_flash_std", "name", &bus, &slave));
ut_assertok(spi_cs_info(bus, cs_b, &info));
ut_asserteq_ptr(info.dev, slave->dev);
/*
* Since we are about to destroy all devices, we must tell sandbox
* to forget the emulation device
*/
sandbox_sf_unbind_emul(state_get_current(), busnum, cs);
sandbox_sf_unbind_emul(state_get_current(), busnum, cs_b);
return 0;
}
