[PATCH 1/2] ARM: dts: Enable earlycon stdout path for LogicPD torpedo

[PATCH 1/2] ARM: dts: Enable earlycon stdout path for LogicPD torpedo

[Tony Lindgren]

As long as the kernel cmdline has "earlycon" in it, this allows
seeing debug messages earlier and does not require DEBUG_LL to
be enabled.

Cc: Adam Ford <aford173-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Signed-off-by: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
---
 arch/arm/boot/dts/logicpd-torpedo-som.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
--- a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
+++ b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
@@ -7,6 +7,10 @@
 #include <dt-bindings/input/input.h>
 
 / {
+	chosen {
+		stdout-path = &uart1;
+	};
+
 	cpus {
 		cpu@0 {
 			cpu0-supply = <&vcc>;
-- 
2.13.0
--
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[PATCH 2/2] ARM: dts: Enable earlycon stdout path for duovero

[Tony Lindgren]

As long as the kernel cmdline has "earlycon" in it, this allows
seeing debug messages earlier and does not require DEBUG_LL to
be enabled.

Signed-off-by: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
---
 arch/arm/boot/dts/omap4-duovero.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/omap4-duovero.dtsi b/arch/arm/boot/dts/omap4-duovero.dtsi
--- a/arch/arm/boot/dts/omap4-duovero.dtsi
+++ b/arch/arm/boot/dts/omap4-duovero.dtsi
@@ -12,6 +12,10 @@
 	model = "Gumstix Duovero";
 	compatible = "gumstix,omap4-duovero", "ti,omap4430", "ti,omap4";
 
+	chosen {
+		stdout-path = &uart3;
+	};
+
 	memory@80000000 {
 		device_type = "memory";
 		reg = <0x80000000 0x40000000>; /* 1 GB */
-- 
2.13.0
--
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Re: [PATCH 1/2] ARM: dts: Enable earlycon stdout path for LogicPD torpedo

[Adam Ford]

On Mon, May 22, 2017 at 11:13 AM, Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org> wrote:
> As long as the kernel cmdline has "earlycon" in it, this allows
> seeing debug messages earlier and does not require DEBUG_LL to
> be enabled.

Thanks for doing that.  I was meaning to do that after I found it was
necessary for porting OMAP3 device tree stuff to U-Boot. I just got
distracted and forgot to do it.

>
> Cc: Adam Ford <aford173-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
Acked-by: Adam Ford <aford173-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

> ---
>  arch/arm/boot/dts/logicpd-torpedo-som.dtsi | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
> --- a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
> +++ b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
> @@ -7,6 +7,10 @@
>  #include <dt-bindings/input/input.h>
>
>  / {
> +       chosen {
> +               stdout-path = &uart1;
> +       };
> +
>         cpus {
>                 cpu@0 {
>                         cpu0-supply = <&vcc>;
> --
> 2.13.0
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