61 lines
1.1 KiB
C
61 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Sandbox adder for p2sb testing
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*
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* Copyright 2019 Google LLC
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*/
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#define LOG_CATEGORY UCLASS_MISC
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#include <common.h>
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#include <axi.h>
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#include <dm.h>
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#include <misc.h>
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#include <p2sb.h>
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#include <asm/io.h>
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struct sandbox_adder_priv {
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ulong base;
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};
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int sandbox_adder_read(struct udevice *dev, ulong address, void *data,
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enum axi_size_t size)
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{
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struct p2sb_child_platdata *pplat = dev_get_parent_platdata(dev);
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u32 *val = data;
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*val = pplat->pid << 24 | address;
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return 0;
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}
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int sandbox_adder_write(struct udevice *dev, ulong address, void *data,
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enum axi_size_t size)
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{
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return 0;
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}
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static int sandbox_adder_probe(struct udevice *dev)
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{
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return 0;
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}
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static struct axi_ops sandbox_adder_ops = {
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.read = sandbox_adder_read,
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.write = sandbox_adder_write,
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};
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static const struct udevice_id sandbox_adder_ids[] = {
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{ .compatible = "sandbox,adder" },
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{ }
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};
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U_BOOT_DRIVER(adder_sandbox) = {
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.name = "sandbox_adder",
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.id = UCLASS_AXI,
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.of_match = sandbox_adder_ids,
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.probe = sandbox_adder_probe,
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.ops = &sandbox_adder_ops,
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.priv_auto_alloc_size = sizeof(struct sandbox_adder_priv),
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};
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