openwrt-archive/target/linux/bcm53xx/patches-4.4/036-ARM-BCM5301X-Enable-earlycon-on-tested-devices.patch

From 5a6516ff135555aa53c7d156cd3973b826e011f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Wed, 6 Apr 2016 18:49:55 +0200
Subject: [PATCH] ARM: BCM5301X: Enable earlycon on tested devices
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This allows reporting & debugging problems occurring early in the boot
process.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---

--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
@@ -17,7 +17,7 @@
 	model = "Buffalo WZR-1750DHP (BCM4708)";
 
 	chosen {
-		bootargs = "console=ttyS0,115200";
+		bootargs = "console=ttyS0,115200 earlycon";
 	};
 
 	memory {
--- a/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
+++ b/arch/arm/boot/dts/bcm4708-luxul-xwc-1000.dts
@@ -17,7 +17,7 @@
 	model = "Luxul XWC-1000 (BCM4708)";
 
 	chosen {
-		bootargs = "console=ttyS0,115200";
+		bootargs = "console=ttyS0,115200 earlycon";
 	};
 
 	memory {
--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
@@ -17,7 +17,7 @@
 	model = "Netgear R6250 V1 (BCM4708)";
 
 	chosen {
-		bootargs = "console=ttyS0,115200";
+		bootargs = "console=ttyS0,115200 earlycon";
 	};
 
 	memory {
--- a/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
+++ b/arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dts
@@ -17,7 +17,7 @@
 	model = "SmartRG SR400ac";
 
 	chosen {
-		bootargs = "console=ttyS0,115200";
+		bootargs = "console=ttyS0,115200 earlycon";
 	};
 
 	memory {
--- a/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
+++ b/arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dts
@@ -17,7 +17,7 @@
 	model = "Buffalo WZR-600DHP2 (BCM47081)";
 
 	chosen {
-		bootargs = "console=ttyS0,115200";
+		bootargs = "console=ttyS0,115200 earlycon";
 	};
 
 	memory {
--- a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
+++ b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
@@ -17,7 +17,7 @@
 	model = "D-Link DIR-885L";
 
 	chosen {
-		bootargs = "console=ttyS0,115200";
+		bootargs = "console=ttyS0,115200 earlycon";
 	};
 
 	memory {
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -18,6 +18,10 @@
 / {
 	interrupt-parent = <&gic>;
 
+	chosen {
+		stdout-path = &uart0;
+	};
+
 	chipcommonA {
 		compatible = "simple-bus";
 		ranges = <0x00000000 0x18000000 0x00001000>;