// SPDX-License-Identifier: GPL-2.0 /* * Sandbox adder for p2sb testing * * Copyright 2019 Google LLC */ #define LOG_CATEGORY UCLASS_MISC #include #include #include #include #include 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), };