From 1a051bef6c63f6871edd8d87e969460f073820a7 Mon Sep 17 00:00:00 2001
From: Arunachalam Ganapathy <arunachalam.ganapathy@arm.com>
Date: Wed, 27 Apr 2022 18:15:47 +0100
Subject: [PATCH 7/7] fix(plat/tc): disable smmu

Reserve static shared-dma-pool below 4GB. This removes dependency on
SMMU driver. As there are stability issues in SMMU driver, it is
disabled. This change is temporary and will be reverted upon proper
fix and testing.

Signed-off-by: Arunachalam Ganapathy <arunachalam.ganapathy@arm.com>
Change-Id: I6b1b4c2a0acdf62df8c26007c7ca596774e13710
Upstream-Status: Pending [Not submitted to upstream yet]
---
 fdts/tc.dts | 16 +++-------------
 1 file changed, 3 insertions(+), 13 deletions(-)

diff --git a/fdts/tc.dts b/fdts/tc.dts
index dc86958bf..fbae3e3e8 100644
--- a/fdts/tc.dts
+++ b/fdts/tc.dts
@@ -209,12 +209,12 @@
 		linux,cma {
 			compatible = "shared-dma-pool";
 			reusable;
-			size = <0x0 0x8000000>;
+			reg = <0x0 0xf1000000 0x0 0x8000000>;
 			linux,cma-default;
 		};
 
-		optee@0xf8e00000 {
-			reg = <0x00000000 0xf8e00000 0 0x00200000>;
+		optee@0xf0e00000 {
+			reg = <0x0 0xf0e00000 0 0x00200000>;
 			no-map;
 		};
 	};
@@ -460,13 +460,6 @@
 		>;
 	};
 
-	smmu: smmu@2ce00000 {
-		#iommu-cells = <1>;
-		compatible = "arm,smmu-v3";
-		reg = <0x0 0x2ce00000 0x0 0x20000>;
-		status = "okay";
-	};
-
 	dp0: display@2cc00000 {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -476,9 +469,6 @@
 		interrupt-names = "DPU";
 		clocks = <&scmi_clk 0>;
 		clock-names = "aclk";
-		iommus = <&smmu 0>, <&smmu 1>, <&smmu 2>, <&smmu 3>,
-			<&smmu 4>, <&smmu 5>, <&smmu 6>, <&smmu 7>,
-			<&smmu 8>, <&smmu 9>;
 		pl0: pipeline@0 {
 			reg = <0>;
 			clocks = <&scmi_clk 1>;
-- 
2.30.2