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5b0b43e0e2
We move qfw into its own uclass and split the PIO functions into a specific driver for that uclass. The PIO driver is selected in the qemu-x86 board config (this covers x86 and x86_64). include/qfw.h is cleaned up and documentation added. Signed-off-by: Asherah Connor <ashe@kivikakk.ee> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
51 lines
889 B
C
51 lines
889 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2015, Miao Yan <yanmiaobest@gmail.com>
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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 <qfw.h>
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#include <asm/cpu.h>
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int cpu_qemu_get_desc(const struct udevice *dev, char *buf, int size)
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{
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if (size < CPU_MAX_NAME_LEN)
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return -ENOSPC;
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cpu_get_name(buf);
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return 0;
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}
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static int cpu_qemu_get_count(const struct udevice *dev)
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{
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int ret;
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struct udevice *qfw_dev;
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ret = qfw_get_dev(&qfw_dev);
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if (ret)
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return ret;
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return qfw_online_cpus(qfw_dev);
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}
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static const struct cpu_ops cpu_qemu_ops = {
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.get_desc = cpu_qemu_get_desc,
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.get_count = cpu_qemu_get_count,
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};
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static const struct udevice_id cpu_qemu_ids[] = {
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{ .compatible = "cpu-qemu" },
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{ }
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};
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U_BOOT_DRIVER(cpu_qemu_drv) = {
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.name = "cpu_qemu",
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.id = UCLASS_CPU,
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.of_match = cpu_qemu_ids,
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.ops = &cpu_qemu_ops,
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};
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