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x86: Add common Intel code for SPL

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Add an implementation of arch_cpu_init_f() so that the x86 SPL code builds
and identifies the CPU.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2019-04-25 21:58:56 -06:00 committed by Bin Meng
parent c0052b6efd
commit 17903c06e8
2 changed files with 33 additions and 0 deletions
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6
arch/x86/cpu/intel_common/Makefile
View File

@ -14,3 +14,9 @@ ifndef CONFIG_TARGET_EFI_APP
obj-y += microcode.o
endif
obj-y += pch.o
ifdef CONFIG_SPL
ifndef CONFIG_SPL_BUILD
obj-y += cpu_from_spl.o
endif
endif

27
arch/x86/cpu/intel_common/cpu_from_spl.c Normal file
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@ -0,0 +1,27 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2016 Google, Inc
*/
#include <common.h>
#include <dm.h>
#include <errno.h>
#include <asm/cpu_common.h>
#include <asm/intel_regs.h>
#include <asm/lapic.h>
#include <asm/lpc_common.h>
#include <asm/msr.h>
#include <asm/mtrr.h>
#include <asm/post.h>
#include <asm/microcode.h>
DECLARE_GLOBAL_DATA_PTR;
int arch_cpu_init(void)
{
int ret;
ret = x86_cpu_reinit_f();
return ret;
}