u-boot/test/dm/serial.c
Andy Shevchenko ac7f5db9dc dm: serial: Add ->getconfig() callback
In some cases it would be good to know the settings, such as parity,
of current serial console. One example might be an ACPI SPCR table
to generate using these parameters.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2018-12-05 06:06:44 -07:00

61 lines
1.5 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2018, STMicroelectronics
*/
#include <common.h>
#include <serial.h>
#include <dm.h>
#include <dm/test.h>
#include <test/ut.h>
static int dm_test_serial(struct unit_test_state *uts)
{
struct udevice *dev_serial;
uint value_serial;
ut_assertok(uclass_get_device_by_name(UCLASS_SERIAL, "serial",
&dev_serial));
ut_assertok(serial_tstc());
/*
* test with default config which is the only one supported by
* sandbox_serial driver
*/
ut_assertok(serial_setconfig(SERIAL_DEFAULT_CONFIG));
ut_assertok(serial_getconfig(&value_serial));
ut_assert(value_serial == SERIAL_DEFAULT_CONFIG);
/*
* test with a parameter which is NULL pointer
*/
ut_asserteq(-EINVAL, serial_getconfig(NULL));
/*
* test with a serial config which is not supported by
* sandbox_serial driver: test with wrong parity
*/
ut_asserteq(-ENOTSUPP,
serial_setconfig(SERIAL_CONFIG(SERIAL_PAR_ODD,
SERIAL_8_BITS,
SERIAL_ONE_STOP)));
/*
* test with a serial config which is not supported by
* sandbox_serial driver: test with wrong bits number
*/
ut_asserteq(-ENOTSUPP,
serial_setconfig(SERIAL_CONFIG(SERIAL_PAR_NONE,
SERIAL_6_BITS,
SERIAL_ONE_STOP)));
/*
* test with a serial config which is not supported by
* sandbox_serial driver: test with wrong stop bits number
*/
ut_asserteq(-ENOTSUPP,
serial_setconfig(SERIAL_CONFIG(SERIAL_PAR_NONE,
SERIAL_8_BITS,
SERIAL_TWO_STOP)));
return 0;
}
DM_TEST(dm_test_serial, DM_TESTF_SCAN_FDT);