From 8937140957eb91060b766781bb3a9e2b191529a5 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Thu, 28 Feb 2013 19:26:11 +0000
Subject: [PATCH] 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>
---
arch/x86/cpu/cpu.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index 6a23974ff5..1a2f85c1fe 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -228,3 +228,26 @@ void flush_dcache_range(unsigned long start, unsigned long stop)
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;
+}
--
2.39.5