original_kernel/arch/arc/boot/dts/vdk_axc003_idu.dtsi

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/*
* Copyright (C) 2014, 2015 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
* Device tree for AXC003 CPU card:
* HS38x2 (Dual Core) with IDU intc (VDK version)
*/
/ {
compatible = "snps,arc";
clock-frequency = <50000000>;
#address-cells = <1>;
#size-cells = <1>;
cpu_card {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0xf0000000 0x10000000>;
cpu_intc: archs-intc@cpu {
compatible = "snps,archs-intc";
interrupt-controller;
#interrupt-cells = <1>;
};
idu_intc: idu-interrupt-controller {
compatible = "snps,archs-idu-intc";
interrupt-controller;
interrupt-parent = <&cpu_intc>;
/*
* <hwirq distribution>
* distribution: 0=RR; 1=cpu0, 2=cpu1, 4=cpu2, 8=cpu3
*/
#interrupt-cells = <2>;
interrupts = <24 25 26 27>;
};
debug_uart: dw-apb-uart@0x5000 {
compatible = "snps,dw-apb-uart";
reg = <0x5000 0x100>;
clock-frequency = <2403200>;
interrupt-parent = <&idu_intc>;
interrupts = <2 0>;
baud = <115200>;
reg-shift = <2>;
reg-io-width = <4>;
};
};
mb_intc: dw-apb-ictl@0xe0012000 {
#interrupt-cells = <1>;
compatible = "snps,dw-apb-ictl";
reg = < 0xe0012000 0x200 >;
interrupt-controller;
interrupt-parent = <&idu_intc>;
interrupts = < 0 0 >;
};
memory {
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0x80000000 0x40000000>;
device_type = "memory";
reg = <0x80000000 0x20000000>; /* 512MiB */
};
};