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