On 25/04/16 10:49, Vladimir Murzin wrote:
Application Notes 385 and 386 shares the same memory map and features except the CPU is used. AN385 is supplied with Cortex-M3 CPU and AN386 is supplied with Cortex-M4. Reviewed-by: Linus Walleij <[email protected]> Signed-off-by: Vladimir Murzin <[email protected]> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/mps2-an385.dts | 92 +++++++++++++++ arch/arm/boot/dts/mps2.dtsi | 241 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 334 insertions(+) create mode 100644 arch/arm/boot/dts/mps2-an385.dts create mode 100644 arch/arm/boot/dts/mps2.dtsi diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 95c1923..1efa5a2 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -253,6 +253,7 @@ dtb-$(CONFIG_ARCH_MMP) += \ dtb-$(CONFIG_MACH_MESON8B) += \ meson8b-mxq.dtb \ meson8b-odroidc1.dtb +dtb-$(CONFIG_ARCH_MPS2) += mps2-an385.dtb dtb-$(CONFIG_ARCH_MOXART) += \ moxart-uc7112lx.dtb dtb-$(CONFIG_SOC_IMX1) += \ diff --git a/arch/arm/boot/dts/mps2-an385.dts b/arch/arm/boot/dts/mps2-an385.dts new file mode 100644 index 0000000..d7cb594 --- /dev/null +++ b/arch/arm/boot/dts/mps2-an385.dts @@ -0,0 +1,92 @@ +/* + * Copyright (C) 2015 ARM Limited + * + * Author: Vladimir Murzin <[email protected]> + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/dts-v1/; + +#include "mps2.dtsi" + +/ { + model = "ARM MPS2 Application Note 385/386"; + compatible = "arm,mps2"; + + aliases { + serial0 = &uart0; + }; + + chosen { + bootargs = "rdinit=/sbin/init earlycon";
The rootfs should be independent from the board. In my opinion, this type of bootargs should not be part of the DTS. Regards, Matthias
