mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-24 20:13:39 +00:00
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>
50 lines
889 B
C
50 lines
889 B
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2015, Miao Yan <yanmiaobest@gmail.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <cpu.h>
|
|
#include <dm.h>
|
|
#include <errno.h>
|
|
#include <qfw.h>
|
|
#include <asm/cpu.h>
|
|
|
|
int cpu_qemu_get_desc(const struct udevice *dev, char *buf, int size)
|
|
{
|
|
if (size < CPU_MAX_NAME_LEN)
|
|
return -ENOSPC;
|
|
|
|
cpu_get_name(buf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cpu_qemu_get_count(const struct udevice *dev)
|
|
{
|
|
int ret;
|
|
struct udevice *qfw_dev;
|
|
|
|
ret = qfw_get_dev(&qfw_dev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return qfw_online_cpus(qfw_dev);
|
|
}
|
|
|
|
static const struct cpu_ops cpu_qemu_ops = {
|
|
.get_desc = cpu_qemu_get_desc,
|
|
.get_count = cpu_qemu_get_count,
|
|
};
|
|
|
|
static const struct udevice_id cpu_qemu_ids[] = {
|
|
{ .compatible = "cpu-qemu" },
|
|
{ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(cpu_qemu_drv) = {
|
|
.name = "cpu_qemu",
|
|
.id = UCLASS_CPU,
|
|
.of_match = cpu_qemu_ids,
|
|
.ops = &cpu_qemu_ops,
|
|
};
|