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fdt: adjust bcm283x device tree for u-boot 

The information currently set via platdata has to be represented in the
device tree now. bcm283x-uboot.dtsi adds the u-boot specific "skip-init"
property to the serial nodes and enables initialization in the pre-reloc phase.

Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Signed-off-by: Fabian Vogt <fvogt@suse.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Fabian Vogt 2016-09-26 14:26:48 +02:00 committed by Tom Rini
parent 460255842c
commit ff5d7ae713
2 changed files with 25 additions and 1 deletions
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22
arch/arm/dts/bcm283x-uboot.dtsi Normal file
View File

@ -0,0 +1,22 @@
/*
* U-Boot addition to keep baudrate set by firmware
* and also initialize before relocation.
*
* (C) Copyright 2016 Fabian Vogt <fvogt@suse.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
&soc {
u-boot,dm-pre-reloc;
};
&uart0 {
skip-init;
u-boot,dm-pre-reloc;
};
&uart1 {
skip-init;
u-boot,dm-pre-reloc;
};

4
arch/arm/dts/bcm283x.dtsi
View File

@ -19,7 +19,7 @@
bootargs = "earlyprintk console=ttyAMA0";
};
soc {
soc: soc {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
@ -319,3 +319,5 @@
};
};
#include "bcm283x-uboot.dtsi"