From d69491744aaee2d8dab3d71f65e94e776ddf0641 Mon Sep 17 00:00:00 2001
From: Girish Mahadevan <gmahadevan@nvidia.com>
Date: Mon, 4 Dec 2023 22:14:49 +0000
Subject: [PATCH] t234: soc: add mapping for scratch register space

Add the mapping for the scratch register space needed for StMM
TA. StMM needs to know A/B used during boot to access appropriate
GPT.

Bug 4261930

Change-Id: I76aef309cc390f664010cc65426bc36137e6519b
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3240524
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-by: Mark Zhang <markz@nvidia.com>
Reviewed-by: svc-bootloader-acv <svc-bootloader-acv@nvidia.com>
Reviewed-by: Jimmy Zhang <jimmzhang@nvidia.com>
Tested-by: Mark Zhang <markz@nvidia.com>
---
 optee-dts/tegra234-optee.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/optee-dts/tegra234-optee.dts b/optee-dts/tegra234-optee.dts
index 8121534..ee67394 100644
--- a/optee-dts/tegra234-optee.dts
+++ b/optee-dts/tegra234-optee.dts
@@ -172,6 +172,12 @@
 				pages-count = <0x10>;
 				attributes = <0x3>; /* read-write */
 			};
+
+			scratch-t234 {
+				base-address = <0x00000000 0x0c390000>;
+				pages-count = <0x2>;
+				attributes = <0x3>; /* read-write */
+			};
 		};
 	};
 };