From 1e49a2318ad22ad842bf4c768398f0f5f9872dc0 Mon Sep 17 00:00:00 2001
From: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Date: Fri, 3 Jun 2016 18:41:26 +0530
Subject: [PATCH] armv8: fsl-layerscape: Put SMMU config code in SMMU_BASE

It is not mandatory for Layerscape SoCs to have SMMU. SoCs like
LS1012A are layerscape SoC without SMMU IP.

So put SMMU configuration code under SMMU_BASE.

Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
---
 arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
index 04831ca5bb..d743ffe6b5 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
+++ b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
@@ -94,11 +94,13 @@ ENTRY(lowlevel_init)
 	bl	ccn504_set_qos
 #endif
 
+#ifdef SMMU_BASE
 	/* Set the SMMU page size in the sACR register */
 	ldr	x1, =SMMU_BASE
 	ldr	w0, [x1, #0x10]
 	orr	w0, w0, #1 << 16  /* set sACR.pagesize to indicate 64K page */
 	str	w0, [x1, #0x10]
+#endif
 
 	/* Initialize GIC Secure Bank Status */
 #if defined(CONFIG_GICV2) || defined(CONFIG_GICV3)
-- 
2.39.5