[U-Boot] [PATCH v2 24/50] x86: Add common Intel code for SPL

Simon Glass sjg at chromium.org
Fri Apr 26 03:58:56 UTC 2019


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 at chromium.org>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---

Changes in v2: None

 arch/x86/cpu/intel_common/Makefile       |  6 ++++++
 arch/x86/cpu/intel_common/cpu_from_spl.c | 27 ++++++++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 arch/x86/cpu/intel_common/cpu_from_spl.c

diff --git a/arch/x86/cpu/intel_common/Makefile b/arch/x86/cpu/intel_common/Makefile
index 80fbc7ab661..57cca0b930c 100644
--- a/arch/x86/cpu/intel_common/Makefile
+++ b/arch/x86/cpu/intel_common/Makefile
@@ -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
diff --git a/arch/x86/cpu/intel_common/cpu_from_spl.c b/arch/x86/cpu/intel_common/cpu_from_spl.c
new file mode 100644
index 00000000000..a6233c75ce2
--- /dev/null
+++ b/arch/x86/cpu/intel_common/cpu_from_spl.c
@@ -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;
+}
-- 
2.21.0.593.g511ec345e18-goog



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