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8961b52424
This adds a sandbox mailbox implementation (provider), a test client device, instantiates them both from Sandbox's DT, and adds a DM test that excercises everything. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> # v1
32 lines
791 B
C
32 lines
791 B
C
/*
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* Copyright (c) 2016, NVIDIA CORPORATION.
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*
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* SPDX-License-Identifier: GPL-2.0
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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 <asm/mbox.h>
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#include <test/ut.h>
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static int dm_test_mailbox(struct unit_test_state *uts)
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{
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struct udevice *dev;
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uint32_t msg;
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ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "mbox-test", &dev));
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ut_assertok(sandbox_mbox_test_get(dev));
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ut_asserteq(-ETIMEDOUT, sandbox_mbox_test_recv(dev, &msg));
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ut_assertok(sandbox_mbox_test_send(dev, 0xaaff9955UL));
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ut_assertok(sandbox_mbox_test_recv(dev, &msg));
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ut_asserteq(msg, 0xaaff9955UL ^ SANDBOX_MBOX_PING_XOR);
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ut_asserteq(-ETIMEDOUT, sandbox_mbox_test_recv(dev, &msg));
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ut_assertok(sandbox_mbox_test_free(dev));
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return 0;
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}
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DM_TEST(dm_test_mailbox, DM_TESTF_SCAN_FDT);
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