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authorSimon Glass <sjg@chromium.org>2017-01-16 07:03:58 -0700
committerBin Meng <bmeng.cn@gmail.com>2017-02-06 11:38:46 +0800
commit93031595ede1c8a0ee1f7820ab9d719b0e9e51c7 (patch)
treed62d8ec06eebde0e347cca51a4bd4a364a4c0a57 /arch/x86/cpu/x86_64/cpu.c
parentbe059e8813082d6c07be5f69cb7febe37411ca47 (diff)
x86: Add cpu code for x86_64
There is not much needed at present, but set up a separate directory to put this code as it grows. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/cpu/x86_64/cpu.c')
-rw-r--r--arch/x86/cpu/x86_64/cpu.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/x86/cpu/x86_64/cpu.c b/arch/x86/cpu/x86_64/cpu.c
new file mode 100644
index 0000000000..b12eab1cb6
--- /dev/null
+++ b/arch/x86/cpu/x86_64/cpu.c
@@ -0,0 +1,34 @@
+/*
+ * (C) Copyright 2016 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+
+int cpu_has_64bit(void)
+{
+ return true;
+}
+
+void enable_caches(void)
+{
+ /* Not implemented */
+}
+
+void disable_caches(void)
+{
+ /* Not implemented */
+}
+
+int dcache_status(void)
+{
+ return true;
+}
+
+int x86_mp_init(void)
+{
+ /* Not implemented */
+ return 0;
+}