ARM: dts: Add UART skip-init properties for U-boot

U-boot can get stuck trying to initialise UARTs that aren't mapped to the pin header. There is no reason for U-boot not to rely on the initialisation by the firmware, so tag both UARTs with the u-boot magic boolean property "skip-init". See: raspberrypi#3731 https://lists.denx.de/pipermail/u-boot/2017-April/285606.html Signed-off-by: Phil Elwell <[email protected]>
pelwell · Jul 17, 2020 · d849c78 · d849c78
1 parent 3e92327
commit d849c78
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/arch/arm/boot/dts/bcm270x-rpi.dtsi b/arch/arm/boot/dts/bcm270x-rpi.dtsi
@@ -102,6 +102,14 @@
 	};
 };
 
+&uart0 {
+	skip-init;
+};
+
+&uart1 {
+	skip-init;
+};
+
 &txp {
 	status = "disabled";
 };