---

yaml --- r: 258318 b: refs/heads/master c: f4daf06 h: refs/heads/master v: v3
git-mirror · Jul 7, 2011 · 6c5fd2f · 6c5fd2f
1 parent e0e0f18
commit 6c5fd2f
Show file tree

Hide file tree

Showing 3 changed files with 13 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 14abd038a7a209193c58ee7dde01ef4bf1523a91
+refs/heads/master: f4daf06fc23b99df5ca5b3e892428b91e148cc52
diff --git a/trunk/arch/arm/mm/proc-v6.S b/trunk/arch/arm/mm/proc-v6.S
@@ -56,6 +56,11 @@ ENTRY(cpu_v6_proc_fin)
  */
 	.align	5
 ENTRY(cpu_v6_reset)
+	mrc	p15, 0, r1, c1, c0, 0		@ ctrl register
+	bic	r1, r1, #0x1			@ ...............m
+	mcr	p15, 0, r1, c1, c0, 0		@ disable MMU
+	mov	r1, #0
+	mcr	p15, 0, r1, c7, c5, 4		@ ISB
 	mov	pc, r0
 
 /*

diff --git a/trunk/arch/arm/mm/proc-v7.S b/trunk/arch/arm/mm/proc-v7.S
@@ -58,9 +58,16 @@ ENDPROC(cpu_v7_proc_fin)
  *	to what would be the reset vector.
  *
  *	- loc   - location to jump to for soft reset
+ *
+ *	This code must be executed using a flat identity mapping with
+ *      caches disabled.
  */
 	.align	5
 ENTRY(cpu_v7_reset)
+	mrc	p15, 0, r1, c1, c0, 0		@ ctrl register
+	bic	r1, r1, #0x1			@ ...............m
+	mcr	p15, 0, r1, c1, c0, 0		@ disable MMU
+	isb
 	mov	pc, r0
 ENDPROC(cpu_v7_reset)