commit b1aafbbe729cac81c694ca892240b3b1b905e9ac
author Channagoud Kadabi <ckadabi@codeaurora.org> Fri Feb 13 20:08:51 2015 -0800
committer Gerrit - the friendly Code Review server <code-review@localhost> Wed Mar 04 14:41:24 2015 -0800
tree 65316b76e5b78df847abdf96ef49d79458e3f626
parent 8f60b6ff922de541361f1589348e9df273222e6a

platform: msm8994: Add support for write back cache

Map LK and scratch memory as write back cache to improve
perfomance.

Change-Id: I89999ddda060466b0850917f7425ecdb56b49d97

platform/msm8994/platform.c

diff --git a/platform/msm8994/platform.c b/platform/msm8994/platform.c
index 507158b..eaaadc0 100644
--- a/platform/msm8994/platform.c
+++ b/platform/msm8994/platform.c
@@ -40,7 +40,7 @@
 #define MSM_IOMAP_SIZE ((MSM_IOMAP_END - MSM_IOMAP_BASE)/MB)
 
 /* LK memory - cacheable, write through */
-#define LK_MEMORY         (MMU_MEMORY_TYPE_NORMAL_WRITE_THROUGH | \
+#define LK_MEMORY         (MMU_MEMORY_TYPE_NORMAL_WRITE_BACK_ALLOCATE | \
                            MMU_MEMORY_AP_READ_WRITE)
 
 /* Peripherals - non-shared device */
@@ -123,7 +123,7 @@
 										sections * MB,
 										ptn_entry.start +
 										sections * MB,
-										(MMU_MEMORY_TYPE_NORMAL_WRITE_THROUGH | \
+										(MMU_MEMORY_TYPE_NORMAL_WRITE_BACK_ALLOCATE | \
 										 MMU_MEMORY_AP_READ_WRITE | MMU_MEMORY_XN));
 				}
 			}