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https://github.com/AsahiLinux/u-boot
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ec9594a50f
A very simple test for DM_MDIO, mimicks a register write/read through the sandbox bus to a dummy PHY. Signed-off-by: Alex Marginean <alexm.osslist@gmail.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2019
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* Alex Marginean, NXP
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*/
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#include <common.h>
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#include <dm.h>
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#include <dm/test.h>
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#include <misc.h>
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#include <test/ut.h>
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#include <miiphy.h>
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/* macros copied over from mdio_sandbox.c */
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#define SANDBOX_PHY_ADDR 5
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#define SANDBOX_PHY_REG 0
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#define TEST_REG_VALUE 0xabcd
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static int dm_test_mdio(struct unit_test_state *uts)
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{
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struct uclass *uc;
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struct udevice *dev;
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struct mdio_ops *ops;
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u16 reg;
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ut_assertok(uclass_get(UCLASS_MDIO, &uc));
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ut_assertok(uclass_get_device_by_name(UCLASS_MDIO, "mdio-test", &dev));
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ops = mdio_get_ops(dev);
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ut_assertnonnull(ops);
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ut_assertnonnull(ops->read);
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ut_assertnonnull(ops->write);
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ut_assertok(ops->write(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
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SANDBOX_PHY_REG, TEST_REG_VALUE));
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reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
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SANDBOX_PHY_REG);
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ut_asserteq(reg, TEST_REG_VALUE);
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ut_assert(ops->read(dev, SANDBOX_PHY_ADDR + 1, MDIO_DEVAD_NONE,
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SANDBOX_PHY_REG) != 0);
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ut_assertok(ops->reset(dev));
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reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
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SANDBOX_PHY_REG);
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ut_asserteq(reg, 0);
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return 0;
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}
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DM_TEST(dm_test_mdio, DM_TESTF_SCAN_FDT);
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