u-boot-brain/arch/x86/cpu/apollolake/cpu.c
Simon Glass 6a4c237af9 x86: apl: Add a CPU driver
Add a bare-bones CPU driver so that CPUs can be probed.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-12-15 11:44:29 +08:00

42 lines
831 B
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright 2019 Google LLC
*/
#include <common.h>
#include <cpu.h>
#include <dm.h>
#include <asm/cpu_common.h>
#include <asm/cpu_x86.h>
static int apl_get_info(struct udevice *dev, struct cpu_info *info)
{
return cpu_intel_get_info(info, INTEL_BCLK_MHZ);
}
static int apl_get_count(struct udevice *dev)
{
return 4;
}
static const struct cpu_ops cpu_x86_apl_ops = {
.get_desc = cpu_x86_get_desc,
.get_info = apl_get_info,
.get_count = apl_get_count,
.get_vendor = cpu_x86_get_vendor,
};
static const struct udevice_id cpu_x86_apl_ids[] = {
{ .compatible = "intel,apl-cpu" },
{ }
};
U_BOOT_DRIVER(cpu_x86_apl_drv) = {
.name = "cpu_x86_apl",
.id = UCLASS_CPU,
.of_match = cpu_x86_apl_ids,
.bind = cpu_x86_bind,
.ops = &cpu_x86_apl_ops,
.flags = DM_FLAG_PRE_RELOC,
};