arm64: dts: mt7622: add earlycon to mt7622-rfb1 board

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@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
index 1ff003ec29c8ea9eea50f26180f76fe174dd2d74..a747b7bf132d1dafe8ff4d6b5ebcaaa5b7021f1e 100644 (file)
--- 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 {