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b073d48e8d
Most tests don't have this. It helps to keep the test declaration clearly associated with the function it relates to, rather than the next one in the file. Remove the extra blank line and mention this in the docs. Signed-off-by: Simon Glass <sjg@chromium.org>
79 lines
2.1 KiB
C
79 lines
2.1 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 <dm.h>
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#include <miiphy.h>
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#include <misc.h>
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#include <dm/test.h>
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#include <test/test.h>
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#include <test/ut.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_CNT 2
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#define TEST_REG_VALUE 0xabcd
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static int dm_test_mdio_mux(struct unit_test_state *uts)
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{
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struct uclass *uc;
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struct udevice *mux;
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struct udevice *mdio_ch0, *mdio_ch1, *mdio;
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struct mdio_ops *ops, *ops_parent;
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struct mdio_mux_ops *mmops;
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u16 reg;
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ut_assertok(uclass_get(UCLASS_MDIO_MUX, &uc));
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ut_assertok(uclass_get_device_by_name(UCLASS_MDIO_MUX, "mdio-mux-test",
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&mux));
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ut_assertok(uclass_get_device_by_name(UCLASS_MDIO, "mdio-ch-test@0",
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&mdio_ch0));
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ut_assertok(uclass_get_device_by_name(UCLASS_MDIO, "mdio-ch-test@1",
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&mdio_ch1));
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ut_assertok(uclass_get_device_by_name(UCLASS_MDIO, "mdio-test", &mdio));
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ops = mdio_get_ops(mdio_ch0);
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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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mmops = mdio_mux_get_ops(mux);
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ut_assertnonnull(mmops);
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ut_assertnonnull(mmops->select);
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ops_parent = mdio_get_ops(mdio);
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ut_assertnonnull(ops);
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ut_assertnonnull(ops->read);
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/*
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* mux driver sets last register on the emulated PHY whenever a group
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* is selected to the selection #. Just reading that register from
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* either of the child buses should return the id of the child bus
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*/
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reg = dm_mdio_read(mdio_ch0, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
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SANDBOX_PHY_REG_CNT - 1);
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ut_asserteq(reg, 0);
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reg = dm_mdio_read(mdio_ch1, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
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SANDBOX_PHY_REG_CNT - 1);
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ut_asserteq(reg, 1);
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mmops->select(mux, MDIO_MUX_SELECT_NONE, 5);
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reg = dm_mdio_read(mdio, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
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SANDBOX_PHY_REG_CNT - 1);
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ut_asserteq(reg, 5);
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mmops->deselect(mux, 5);
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reg = dm_mdio_read(mdio, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
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SANDBOX_PHY_REG_CNT - 1);
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ut_asserteq(reg, (u16)MDIO_MUX_SELECT_NONE);
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return 0;
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}
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DM_TEST(dm_test_mdio_mux, UTF_SCAN_FDT);
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