diff options
Diffstat (limited to 'arch/x86/cpu/qemu/cpu.c')
| -rw-r--r-- | arch/x86/cpu/qemu/cpu.c | 57 | 
1 files changed, 57 insertions, 0 deletions
| diff --git a/arch/x86/cpu/qemu/cpu.c b/arch/x86/cpu/qemu/cpu.c new file mode 100644 index 00000000000..a4bf53dacef --- /dev/null +++ b/arch/x86/cpu/qemu/cpu.c @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2015, Miao Yan <yanmiaobest@gmail.com> + * + * SPDX-License-Identifier:	GPL-2.0+ + */ + +#include <common.h> +#include <cpu.h> +#include <dm.h> +#include <errno.h> +#include <asm/cpu.h> +#include <asm/fw_cfg.h> + +DECLARE_GLOBAL_DATA_PTR; + +int cpu_qemu_bind(struct udevice *dev) +{ +	struct cpu_platdata *plat = dev_get_parent_platdata(dev); + +	plat->cpu_id = fdtdec_get_int(gd->fdt_blob, dev->of_offset, +				      "intel,apic-id", -1); + +	return 0; +} + +int cpu_qemu_get_desc(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(struct udevice *dev) +{ +	return qemu_fwcfg_online_cpus(); +} + +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, +	.bind		= cpu_qemu_bind, +	.ops		= &cpu_qemu_ops, +}; | 
