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