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>
diff --git a/arch/x86/cpu/x86_64/cpu.c b/arch/x86/cpu/x86_64/cpu.c
new file mode 100644
index 0000000..b12eab1
--- /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;
+}