aboutsummaryrefslogtreecommitdiffstats
path: root/package/boot/uboot-layerscape/patches/0006-armv8-fsl-layerscape-Put-SMMU-config-code-in-SMMU_BA.patch
blob: a8a9aa360ed7595fbae4cd2584cae2ef91b16415 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
From be06181f45695ce71536ecb461615ebf6f18011e Mon Sep 17 00:00:00 2001
From: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Date: Tue, 15 Mar 2016 13:40:07 +0530
Subject: [PATCH 06/93] 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>
---
 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 93f4a65..5f5bfb9 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
+++ b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
@@ -95,11 +95,13 @@ 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)
-- 
1.7.9.5