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40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
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From d703aa3db7a3f6db81c6dcd03a8f462864e19144 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Wed, 17 May 2023 16:53:24 +0100
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Subject: [PATCH] ARM: dts: bcm27xx: Add stdout-path to serial0
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Rather than deleting the upstream stdout-path declaration, overwrite
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it with one selecting serial0, which will always be the UART mapped
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to the 40-pin header (provided enable_uart=1 is specified). Doing
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so has the advantage that earlycon can be configured just by adding
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"earlycon" to the command line.
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/bcm270x.dtsi | 2 +-
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arch/arm/boot/dts/bcm2711-rpi-ds.dtsi | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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--- a/arch/arm/boot/dts/bcm270x.dtsi
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+++ b/arch/arm/boot/dts/bcm270x.dtsi
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@@ -5,7 +5,7 @@
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chosen: chosen {
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// Disable audio by default
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bootargs = "coherent_pool=1M snd_bcm2835.enable_headphones=0";
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- /delete-property/ stdout-path;
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+ stdout-path = "serial0:115200n8";
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};
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soc: soc {
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--- a/arch/arm/boot/dts/bcm2711-rpi-ds.dtsi
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+++ b/arch/arm/boot/dts/bcm2711-rpi-ds.dtsi
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@@ -34,7 +34,7 @@
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};
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chosen {
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- /delete-property/ stdout-path;
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+ stdout-path = "serial0:115200n8";
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};
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aliases {
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