ArmPlatformPkg: PrePei Cache disable and invalidate.

[mirror_edk2.git] / ArmPlatformPkg / PrePi / PrePi.c

diff --git a/ArmPlatformPkg/PrePi/PrePi.c b/ArmPlatformPkg/PrePi/PrePi.c
index e8b1ff7ed7535f5280202d6c9b6d172c0c8c6eea..7ef88c0e36a966157a51f6e8caba158f8d485fb2 100755 (executable)
--- a/ArmPlatformPkg/PrePi/PrePi.c
+++ b/ArmPlatformPkg/PrePi/PrePi.c
@@ -1,6 +1,6 @@
 /** @file\r
 *\r
-*  Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r
+*  Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r
 *\r
 *  This program and the accompanying materials\r
 *  are licensed and made available under the terms and conditions of the BSD License\r
@@ -222,16 +222,13 @@ CEntryPoint (
     StartTimeStamp = 0;\r
   }\r
 \r
-  // Clean Data cache\r
-  ArmCleanInvalidateDataCache ();\r
-\r
+  // Data Cache enabled on Primary core when MMU is enabled.\r
+  ArmDisableDataCache ();\r
+  // Invalidate Data cache\r
+  ArmInvalidateDataCache ();\r
   // Invalidate instruction cache\r
   ArmInvalidateInstructionCache ();\r
-\r
-  //TODO:Drain Write Buffer\r
-\r
-  // Enable Instruction & Data caches\r
-  ArmEnableDataCache ();\r
+  // Enable Instruction Caches on all cores.\r
   ArmEnableInstructionCache ();\r
 \r
   // Define the Global Variable region when we are not running in XIP\r