From: Roger Shimizu <rogershimizu@gmail.com>
Date: Sat, 6 Feb 2016 05:59:51 +0000 (+0900)
Subject: ARM: dts: orion5x: fix the missing mtd flash on linkstation lswtgl
X-Git-Tag: archive/raspbian/4.9.13-1+rpi1~67
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com//%22stanciumarius94%40gmail.com/%22/%22http:/www.example.com/%22stanciumarius94%40gmail.com/%22?a=commitdiff_plain;h=d30b3e80641041ea02c6c0cfcac1082143592f18;p=linux-4.9.git

ARM: dts: orion5x: fix the missing mtd flash on linkstation lswtgl

MTD flash stores u-boot and u-boot environment on linkstation lswtgl.
The latter one can be easily read/write by u-boot-tools package in Debian.

Fixes: dc57844a736f ("ARM: dts: orion5x: add buffalo linkstation ls-wtgl")
Signed-off-by: Roger Shimizu <rogershimizu@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

Gbp-Pq: Topic features/arm/device-tree
Gbp-Pq: Name ARM-dts-orion5x-fix-missing-mtdflash-linkstation-lswtgl.patch
---

diff --git a/arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts b/arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts
index 420788229e6f..aae8a7aceab7 100644
--- a/arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts
+++ b/arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts
@@ -228,6 +228,37 @@
 	};
 };
 
+&devbus_bootcs {
+	status = "okay";
+	devbus,keep-config;
+
+	flash@0 {
+		compatible = "jedec-flash";
+		reg = <0 0x40000>;
+		bank-width = <1>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			header@0 {
+				reg = <0 0x30000>;
+				read-only;
+			};
+
+			uboot@30000 {
+				reg = <0x30000 0xF000>;
+				read-only;
+			};
+
+			uboot_env@3F000 {
+				reg = <0x3F000 0x1000>;
+			};
+		};
+	};
+};
+
 &mdio {
 	status = "okay";