linux-kernel - [PATCH v4 4/8] ARM: dts: rtd1195: Exclude boot ROM from memory ranges

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Date:   Sat, 23 Nov 2019 21:37:55 +0100
From:   Andreas Färber <afaerber@...e.de>
To:     linux-realtek-soc@...ts.infradead.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Andreas Färber <afaerber@...e.de>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: [PATCH v4 4/8] ARM: dts: rtd1195: Exclude boot ROM from memory ranges

Carve out 0xa800 for the boot ROM from the /memory@0 node,
updating it to /memory@...0, and add it to /soc ranges.

Signed-off-by: Andreas Färber <afaerber@...e.de>
---
 Could be squashed.
 
 v4: New
 
 arch/arm/boot/dts/rtd1195-mele-x1000.dts | 4 ++--
 arch/arm/boot/dts/rtd1195.dtsi           | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/rtd1195-mele-x1000.dts b/arch/arm/boot/dts/rtd1195-mele-x1000.dts
index e2050cb64474..c7951b9a2c97 100644
--- a/arch/arm/boot/dts/rtd1195-mele-x1000.dts
+++ b/arch/arm/boot/dts/rtd1195-mele-x1000.dts
@@ -19,9 +19,9 @@
 		stdout-path = "serial0:115200n8";
 	};
 
-	memory@0 {
+	memory@...0 {
 		device_type = "memory";
-		reg = <0x00000000 0x18000000>, /* up to r-bus */
+		reg = <0x0000a800 0x17ff5800>, /* boot ROM to r-bus */
 		      <0x18070000 0x00090000>, /* r-bus to NOR flash */
 		      <0x19100000 0x26f00000>; /* NOR flash to 1 GiB */
 	};
diff --git a/arch/arm/boot/dts/rtd1195.dtsi b/arch/arm/boot/dts/rtd1195.dtsi
index c5713a5ef472..0d7c2be750f6 100644
--- a/arch/arm/boot/dts/rtd1195.dtsi
+++ b/arch/arm/boot/dts/rtd1195.dtsi
@@ -88,7 +88,8 @@
 		compatible = "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		ranges = <0x18000000 0x18000000 0x00070000>,
+		ranges = <0x00000000 0x00000000 0x0000a800>,
+			 <0x18000000 0x18000000 0x00070000>,
 			 <0x18100000 0x18100000 0x01000000>,
 			 <0x80000000 0x80000000 0x80000000>;
 
-- 
2.16.4