mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
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
55 lines
1.1 KiB
C
55 lines
1.1 KiB
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 <mailbox_client.h>
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#include <asm/io.h>
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struct sandbox_mbox_test {
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struct mbox_chan chan;
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};
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int sandbox_mbox_test_get(struct udevice *dev)
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{
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struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
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return mbox_get_by_name(dev, "test", &sbmt->chan);
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}
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int sandbox_mbox_test_send(struct udevice *dev, uint32_t msg)
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{
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struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
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return mbox_send(&sbmt->chan, &msg);
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}
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int sandbox_mbox_test_recv(struct udevice *dev, uint32_t *msg)
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{
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struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
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return mbox_recv(&sbmt->chan, msg, 100);
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}
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int sandbox_mbox_test_free(struct udevice *dev)
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{
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struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
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return mbox_free(&sbmt->chan);
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}
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static const struct udevice_id sandbox_mbox_test_ids[] = {
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{ .compatible = "sandbox,mbox-test" },
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{ }
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};
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U_BOOT_DRIVER(sandbox_mbox_test) = {
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.name = "sandbox_mbox_test",
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.id = UCLASS_MISC,
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.of_match = sandbox_mbox_test_ids,
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.priv_auto_alloc_size = sizeof(struct sandbox_mbox_test),
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};
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