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https://github.com/AsahiLinux/u-boot
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bf4661bcb0
Some callers of serial_getinfo() would like to know the UART base clock speed in order to make decision what to pass to OS in some cases. In particular, ACPI SPCR table expects only certain base clock speed and thus we have to act accordingly. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
70 lines
2 KiB
C
70 lines
2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2018, STMicroelectronics
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*/
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#include <common.h>
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#include <serial.h>
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#include <dm.h>
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#include <dm/test.h>
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#include <test/ut.h>
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static int dm_test_serial(struct unit_test_state *uts)
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{
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struct serial_device_info info_serial = {0};
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struct udevice *dev_serial;
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uint value_serial;
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ut_assertok(uclass_get_device_by_name(UCLASS_SERIAL, "serial",
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&dev_serial));
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ut_assertok(serial_tstc());
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/*
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* test with default config which is the only one supported by
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* sandbox_serial driver
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*/
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ut_assertok(serial_setconfig(dev_serial, SERIAL_DEFAULT_CONFIG));
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ut_assertok(serial_getconfig(dev_serial, &value_serial));
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ut_assert(value_serial == SERIAL_DEFAULT_CONFIG);
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ut_assertok(serial_getinfo(dev_serial, &info_serial));
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ut_assert(info_serial.type == SERIAL_CHIP_UNKNOWN);
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ut_assert(info_serial.addr == SERIAL_DEFAULT_ADDRESS);
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ut_assert(info_serial.clock == SERIAL_DEFAULT_CLOCK);
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/*
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* test with a parameter which is NULL pointer
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*/
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ut_asserteq(-EINVAL, serial_getconfig(dev_serial, NULL));
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ut_asserteq(-EINVAL, serial_getinfo(dev_serial, NULL));
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/*
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* test with a serial config which is not supported by
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* sandbox_serial driver: test with wrong parity
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*/
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ut_asserteq(-ENOTSUPP,
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serial_setconfig(dev_serial,
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SERIAL_CONFIG(SERIAL_PAR_ODD,
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SERIAL_8_BITS,
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SERIAL_ONE_STOP)));
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/*
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* test with a serial config which is not supported by
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* sandbox_serial driver: test with wrong bits number
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*/
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ut_asserteq(-ENOTSUPP,
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serial_setconfig(dev_serial,
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SERIAL_CONFIG(SERIAL_PAR_NONE,
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SERIAL_6_BITS,
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SERIAL_ONE_STOP)));
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/*
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* test with a serial config which is not supported by
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* sandbox_serial driver: test with wrong stop bits number
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*/
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ut_asserteq(-ENOTSUPP,
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serial_setconfig(dev_serial,
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SERIAL_CONFIG(SERIAL_PAR_NONE,
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SERIAL_8_BITS,
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SERIAL_TWO_STOP)));
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return 0;
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}
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DM_TEST(dm_test_serial, DM_TESTF_SCAN_FDT);
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