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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_plat *pplat = dev_get_parent_plat(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 = sizeof(struct sandbox_adder_priv),
- };
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