x86: Add basic cache operations
At present most x86 cache operations are undefined. Add a basic
implementation for these.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index 6a23974..1a2f85c 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -228,3 +228,26 @@
void invalidate_dcache_range(unsigned long start, unsigned long stop)
{
}
+
+void dcache_enable(void)
+{
+ enable_caches();
+}
+
+void dcache_disable(void)
+{
+ disable_caches();
+}
+
+void icache_enable(void)
+{
+}
+
+void icache_disable(void)
+{
+}
+
+int icache_status(void)
+{
+ return 1;
+}