From 62d38099bf9dd0bdb582369b3cd049b67a0f1ac1 Mon Sep 17 00:00:00 2001 From: Tomasz Figa Date: Fri, 23 Jan 2015 14:47:42 +0100 Subject: [PATCH] ARM: dts: exynos4: Add stdout-path properties This patch adds stdout-path property to chosen nodes of Exynos4 boards to enable use of earlycon feature without the need to hardcode port number in kernel itself. Signed-off-by: Tomasz Figa Signed-off-by: Marek Szyprowski Signed-off-by: Greg Kroah-Hartman --- arch/arm/boot/dts/exynos4210-origen.dts | 1 + arch/arm/boot/dts/exynos4210-smdkv310.dts | 1 + arch/arm/boot/dts/exynos4210-trats.dts | 1 + arch/arm/boot/dts/exynos4210-universal_c210.dts | 1 + arch/arm/boot/dts/exynos4412-odroid-common.dtsi | 4 ++++ arch/arm/boot/dts/exynos4412-origen.dts | 1 + arch/arm/boot/dts/exynos4412-smdk4412.dts | 1 + arch/arm/boot/dts/exynos4412-tiny4412.dts | 4 ++++ arch/arm/boot/dts/exynos4412-trats2.dts | 1 + 9 files changed, 15 insertions(+) diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts index f767c425d0b5..b81146141402 100644 --- a/arch/arm/boot/dts/exynos4210-origen.dts +++ b/arch/arm/boot/dts/exynos4210-origen.dts @@ -31,6 +31,7 @@ chosen { bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc"; + stdout-path = &serial_2; }; regulators { diff --git a/arch/arm/boot/dts/exynos4210-smdkv310.dts b/arch/arm/boot/dts/exynos4210-smdkv310.dts index 676e6e0c8cf3..86216fff1b4f 100644 --- a/arch/arm/boot/dts/exynos4210-smdkv310.dts +++ b/arch/arm/boot/dts/exynos4210-smdkv310.dts @@ -27,6 +27,7 @@ chosen { bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc"; + stdout-path = &serial_1; }; sdhci@12530000 { diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts index 720836205546..a406df3d6df8 100644 --- a/arch/arm/boot/dts/exynos4210-trats.dts +++ b/arch/arm/boot/dts/exynos4210-trats.dts @@ -28,6 +28,7 @@ chosen { bootargs = "console=ttySAC2,115200N8 root=/dev/mmcblk0p5 rootwait earlyprintk panic=5"; + stdout-path = &serial_2; }; regulators { diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts index aaf0cae4f5e8..6effb13f98a6 100644 --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts @@ -26,6 +26,7 @@ chosen { bootargs = "console=ttySAC2,115200N8 root=/dev/mmcblk0p5 rw rootwait earlyprintk panic=5 maxcpus=1"; + stdout-path = &serial_2; }; sysram@02020000 { diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi index 3fbf588682b9..d9610f38a78e 100644 --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi @@ -11,6 +11,10 @@ #include "exynos4412.dtsi" / { + chosen { + stdout-path = &serial_1; + }; + firmware@0204F000 { compatible = "samsung,secure-firmware"; reg = <0x0204F000 0x1000>; diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts index de15114fd07c..bd8b73077d41 100644 --- a/arch/arm/boot/dts/exynos4412-origen.dts +++ b/arch/arm/boot/dts/exynos4412-origen.dts @@ -26,6 +26,7 @@ chosen { bootargs ="console=ttySAC2,115200"; + stdout-path = &serial_2; }; firmware@0203F000 { diff --git a/arch/arm/boot/dts/exynos4412-smdk4412.dts b/arch/arm/boot/dts/exynos4412-smdk4412.dts index ded0b70f7644..b9256afbcc68 100644 --- a/arch/arm/boot/dts/exynos4412-smdk4412.dts +++ b/arch/arm/boot/dts/exynos4412-smdk4412.dts @@ -25,6 +25,7 @@ chosen { bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc"; + stdout-path = &serial_1; }; g2d@10800000 { diff --git a/arch/arm/boot/dts/exynos4412-tiny4412.dts b/arch/arm/boot/dts/exynos4412-tiny4412.dts index ea6929d9c621..d46fd4c2aeaa 100644 --- a/arch/arm/boot/dts/exynos4412-tiny4412.dts +++ b/arch/arm/boot/dts/exynos4412-tiny4412.dts @@ -18,6 +18,10 @@ model = "FriendlyARM TINY4412 board based on Exynos4412"; compatible = "friendlyarm,tiny4412", "samsung,exynos4412", "samsung,exynos4"; + chosen { + stdout-path = &serial_0; + }; + memory { reg = <0x40000000 0x40000000>; }; diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts index 29231b452643..5fbb01335a0f 100644 --- a/arch/arm/boot/dts/exynos4412-trats2.dts +++ b/arch/arm/boot/dts/exynos4412-trats2.dts @@ -32,6 +32,7 @@ chosen { bootargs = "console=ttySAC2,115200N8 root=/dev/mmcblk0p5 rootwait earlyprintk panic=5"; + stdout-path = &serial_2; }; firmware@0204F000 { -- 2.34.1