Add a new device tree which has very minimum nodes - x86 reset - x86 tsc_timer - x86 pci - Slim Bootloader serial

Signed-off-by: Aiden Park aiden.park@intel.com Reviewed-by: Bin Meng bmeng.cn@gmail.com Reviewed-by: Andy Shevchenko andy.shevchenko@gmail.com --- Changes in v3: * Move slimbootloader.dtb before baytrail_som-db5800-som-6867.dtb

arch/x86/dts/Makefile | 1 + arch/x86/dts/slimbootloader.dts | 27 +++++++++++++++++++++++++++ 2 files changed, 28 insertions(+) create mode 100644 arch/x86/dts/slimbootloader.dts

diff --git a/arch/x86/dts/Makefile b/arch/x86/dts/Makefile index fa717bc096..d4bdf62be6 100644 --- a/arch/x86/dts/Makefile +++ b/arch/x86/dts/Makefile @@ -18,6 +18,7 @@ dtb-y += bayleybay.dtb \ qemu-x86_i440fx.dtb \ qemu-x86_q35.dtb \ theadorable-x86-dfi-bt700.dtb \ + slimbootloader.dtb \ baytrail_som-db5800-som-6867.dtb

targets += $(dtb-y) diff --git a/arch/x86/dts/slimbootloader.dts b/arch/x86/dts/slimbootloader.dts new file mode 100644 index 0000000000..d04095c4f8 --- /dev/null +++ b/arch/x86/dts/slimbootloader.dts @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 Intel Corporation <www.intel.com> + */ + +/dts-v1/; + +/include/ "skeleton.dtsi" +/include/ "reset.dtsi" +/include/ "tsc_timer.dtsi" + +/ { + model = "slimbootloader x86 payload"; + compatible = "slimbootloader,x86-payload"; + + chosen { + stdout-path = &serial; + }; + + serial: serial { + compatible = "intel,slimbootloader-uart"; + }; + + pci { + compatible = "pci-x86"; + }; +};