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yaml --- r: 299276 b: refs/heads/master c: 078c045 h: refs/heads/master v: v3
git-mirror · Apr 15, 2012 · 1f001a4 · 1f001a4
1 parent 8d4f411
commit 1f001a4
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diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e5ab85800820edd907d3f43f285e1232f84d5a41
+refs/heads/master: 078c04545ba56da21567728a909a496df5ff730d
diff --git a/trunk/arch/arm/mm/proc-v7.S b/trunk/arch/arm/mm/proc-v7.S
@@ -254,6 +254,18 @@ __v7_setup:
 	ldr	r6, =NMRR			@ NMRR
 	mcr	p15, 0, r5, c10, c2, 0		@ write PRRR
 	mcr	p15, 0, r6, c10, c2, 1		@ write NMRR
+#endif
+#ifndef CONFIG_ARM_THUMBEE
+	mrc	p15, 0, r0, c0, c1, 0		@ read ID_PFR0 for ThumbEE
+	and	r0, r0, #(0xf << 12)		@ ThumbEE enabled field
+	teq	r0, #(1 << 12)			@ check if ThumbEE is present
+	bne	1f
+	mov	r5, #0
+	mcr	p14, 6, r5, c1, c0, 0		@ Initialize TEEHBR to 0
+	mrc	p14, 6, r0, c0, c0, 0		@ load TEECR
+	orr	r0, r0, #1			@ set the 1st bit in order to
+	mcr	p14, 6, r0, c0, c0, 0		@ stop userspace TEEHBR access
+1:
 #endif
 	adr	r5, v7_crval
 	ldmia	r5, {r5, r6}