linux-kernel - [PATCH 7/7] arm64: dts: mt7622: add earlycon to mt7622-rfb1 board

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Message-ID: <4a8b1000e7d8979b0c6c6f9836296b7dd382f6cd.1529639050.git.sean.wang@mediatek.com>
Date:   Fri, 22 Jun 2018 11:49:10 +0800
From:   <sean.wang@...iatek.com>
To:     <linus.walleij@...aro.org>, <linux-mediatek@...ts.infradead.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Sean Wang <sean.wang@...iatek.com>
Subject: [PATCH 7/7] arm64: dts: mt7622: add earlycon to mt7622-rfb1 board

From: Sean Wang <sean.wang@...iatek.com>

Add earlycon to mt7622-rfb1 as to know what was going on when a certain
fault is happening at the early initialization stage.

Signed-off-by: Sean Wang <sean.wang@...iatek.com>
---
 arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
index 1ff003e..a747b7b 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
@@ -18,7 +18,7 @@
 	compatible = "mediatek,mt7622-rfb1", "mediatek,mt7622";
 
 	chosen {
-		bootargs = "console=ttyS0,115200n1 swiotlb=512";
+		bootargs = "earlycon=uart8250,mmio32,0x11002000 console=ttyS0,115200n1 swiotlb=512";
 	};
 
 	cpus {
-- 
2.7.4