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// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
/ {
compatible = "cdns,xtensa-iss";
#address-cells = <1>;
#size-cells = <1>;
interrupt-parent = <&pic>;
chosen {
bootargs = "console=ttyS0,115200n8 debug";
};
memory@0 {
device_type = "memory";
reg = <0x00000000 0x80000000>;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
compatible = "cdns,xtensa-cpu";
reg = <0>;
clocks = <&osc>;
};
};
clocks {
osc: osc {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <40000000>;
};
};
pic: pic {
compatible = "cdns,xtensa-pic";
/* one cell: internal irq number,
* two cells: second cell == 0: internal irq number
* second cell == 1: external irq number
*/
#address-cells = <0>;
#interrupt-cells = <2>;
interrupt-controller;
};
pci {
compatible = "pci-host-ecam-generic";
device_type = "pci";
#address-cells = <3>;
#size-cells = <2>;
#interrupt-cells = <0x1>;
bus-range = <0x0 0x3e>;
reg = <0xf0100000 0x03f00000>;
// BUS_ADDRESS(3) CPU_PHYSICAL(1) SIZE(2)
ranges = <0x01000000 0x0 0x00000000 0xf0000000 0x0 0x00010000>,
<0x02000000 0x0 0xf4000000 0xf4000000 0x0 0x08000000>;
// PCI_DEVICE(3) INT#(1) CONTROLLER(PHANDLE) CONTROLLER_DATA(2)
interrupt-map = <
0x0000 0x0 0x0 0x1 &pic 0x0 0x1
0x0800 0x0 0x0 0x1 &pic 0x1 0x1
0x1000 0x0 0x0 0x1 &pic 0x2 0x1
0x1800 0x0 0x0 0x1 &pic 0x3 0x1
>;
interrupt-map-mask = <0x1800 0x0 0x0 0x7>;
};
};
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