From: Catalin Marinas <catalin.marinas@arm.com>
Date: Fri, 24 Jul 2009 11:35:06 +0000 (+0100)
Subject: nommu: Do not set PRRR and NMRR in proc-v7.S if !MMU
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=bdaaaec39792ee0035d6c5a5ad2520991e090a3c;p=deliverable%2Flinux.git

nommu: Do not set PRRR and NMRR in proc-v7.S if !MMU

ARMv7-R profile CPUs do not have these registers.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---

diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index c19aecdb2021..f3fa1c32fe92 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -234,7 +234,6 @@ __v7_setup:
 	mcr	p15, 0, r4, c2, c0, 1		@ load TTB1
 	mov	r10, #0x1f			@ domains 0, 1 = manager
 	mcr	p15, 0, r10, c3, c0, 0		@ load domain access register
-#endif
 	/*
 	 * Memory region attributes with SCTLR.TRE=1
 	 *
@@ -267,6 +266,7 @@ __v7_setup:
 	ldr	r6, =0x40e040e0			@ NMRR
 	mcr	p15, 0, r5, c10, c2, 0		@ write PRRR
 	mcr	p15, 0, r6, c10, c2, 1		@ write NMRR
+#endif
 	adr	r5, v7_crval
 	ldmia	r5, {r5, r6}
 #ifdef CONFIG_CPU_ENDIAN_BE8