From ce4e454ad9c5ca038a95cf81b51bbe30ec3ef42e Mon Sep 17 00:00:00 2001
From: d0k3 <tore.anon@gmail.com>
Date: Mon, 11 Apr 2016 01:58:18 +0200
Subject: [PATCH] Enable ITCM access for GW binary

---
 source/abstraction/gw-start.s | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/source/abstraction/gw-start.s b/source/abstraction/gw-start.s
index 0b734c7..18baab8 100644
--- a/source/abstraction/gw-start.s
+++ b/source/abstraction/gw-start.s
@@ -37,6 +37,14 @@ _start:
 		cmp r1, #0
 		bgt waitLoop92
 
+    @ Enable caches
+    mrc p15, 0, r4, c1, c0, 0  @ read control register
+    orr r4, r4, #(1<<18)       @ - itcm enable
+    orr r4, r4, #(1<<12)       @ - instruction cache enable
+    orr r4, r4, #(1<<2)        @ - data cache enable
+    orr r4, r4, #(1<<0)        @ - mpu enable
+    mcr p15, 0, r4, c1, c0, 0  @ write control register
+    
 	ldr sp,=0x22160000
 	ldr	r3, =main
 	blx r3