From: Andreas Färber <afaerber@suse.de>
Date: Sat, 30 Nov 2019 19:00:58 +0000 (+0100)
Subject: arm64: dts: realtek: rtd16xx: Carve out boot ROM from memory
X-Git-Tag: v5.8-rc1~137^2~47^2~18
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=44955042b512bd1ae748cc33bb45ecfe29c97967;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: realtek: rtd16xx: Carve out boot ROM from memory

Update Mjolnir /memory node to exclude 0..0x2dfff from reg entry.
Add this region to /soc ranges instead.

Fixes: d8a6c3b34276 ("arm64: dts: realtek: Add RTD1619 SoC and Realtek Mjolnir EVB")
Suggested-by: Rob Herring <robh@kernel.org>
Cc: James Tai <james.tai@realtek.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
---

diff --git a/arch/arm64/boot/dts/realtek/rtd1619-mjolnir.dts b/arch/arm64/boot/dts/realtek/rtd1619-mjolnir.dts
index 44dd67e04335f..90ed6681468f3 100644
--- a/arch/arm64/boot/dts/realtek/rtd1619-mjolnir.dts
+++ b/arch/arm64/boot/dts/realtek/rtd1619-mjolnir.dts
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
 /*
  * Copyright (c) 2019 Realtek Semiconductor Corp.
+ * Copyright (c) 2019 Andreas Färber
  */
 
 /dts-v1/;
@@ -11,9 +12,9 @@
 	compatible = "realtek,mjolnir", "realtek,rtd1619";
 	model = "Realtek Mjolnir EVB";
 
-	memory@0 {
+	memory@2e000 {
 		device_type = "memory";
-		reg = <0x0 0x80000000>;
+		reg = <0x2e000 0x7ffd2000>; /* boot ROM to 2 GiB */
 	};
 
 	chosen {
diff --git a/arch/arm64/boot/dts/realtek/rtd16xx.dtsi b/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
index c7bbf2c7bb7cc..69cc0d941c8d4 100644
--- a/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
+++ b/arch/arm64/boot/dts/realtek/rtd16xx.dtsi
@@ -3,6 +3,7 @@
  * Realtek RTD16xx SoC family
  *
  * Copyright (c) 2019 Realtek Semiconductor Corp.
+ * Copyright (c) 2019 Andreas Färber
  */
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
@@ -107,7 +108,8 @@
 		compatible = "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		ranges = <0x98000000 0x98000000 0x68000000>;
+		ranges = <0x00000000 0x00000000 0x0002e000>, /* boot ROM */
+			 <0x98000000 0x98000000 0x68000000>;
 
 		rbus: bus@98000000 {
 			compatible = "simple-bus";