/* * Copyright (C) 2015 Google, Inc * Written by Simon Glass <sjg@chromium.org> * * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> #include <cpu.h> #include <dm.h> #include <errno.h> #include <dm/lists.h> #include <dm/root.h> DECLARE_GLOBAL_DATA_PTR; int cpu_get_desc(struct udevice *dev, char *buf, int size) { struct cpu_ops *ops = cpu_get_ops(dev); if (!ops->get_desc) return -ENOSYS; return ops->get_desc(dev, buf, size); } int cpu_get_info(struct udevice *dev, struct cpu_info *info) { struct cpu_ops *ops = cpu_get_ops(dev); if (!ops->get_info) return -ENOSYS; return ops->get_info(dev, info); } int cpu_get_count(struct udevice *dev) { struct cpu_ops *ops = cpu_get_ops(dev); if (!ops->get_count) return -ENOSYS; return ops->get_count(dev); } U_BOOT_DRIVER(cpu_bus) = { .name = "cpu_bus", .id = UCLASS_SIMPLE_BUS, .per_child_platdata_auto_alloc_size = sizeof(struct cpu_platdata), }; static int uclass_cpu_init(struct uclass *uc) { struct udevice *dev; int node; int ret; node = fdt_path_offset(gd->fdt_blob, "/cpus"); if (node < 0) return 0; ret = device_bind_driver_to_node(dm_root(), "cpu_bus", "cpus", node, &dev); return ret; } UCLASS_DRIVER(cpu) = { .id = UCLASS_CPU, .name = "cpu", .flags = DM_UC_FLAG_SEQ_ALIAS, .init = uclass_cpu_init, };