// SPDX-License-Identifier: (GPL-2.0 OR MIT) /* Copyright (c) 2021 Tianrui Wei */ /* * This dts is for a dual core instance of OpenPiton+Ariane built * to run on a Digilent Genesys 2 FPGA at 66.67MHz. These files * are automatically generated by the OpenPiton build system and * this configuration may not be what you need if your configuration * is different from the below. */ /dts-v1/; / { #address-cells = <2>; #size-cells = <2>; compatible = "openpiton,riscv64"; chosen { stdout-path = "uart0:115200"; }; aliases { console = &uart0; serial0 = &uart0; }; cpus { #address-cells = <1>; #size-cells = <0>; timebase-frequency = <520835>; CPU0: cpu@0 { clocks = <&clk0>; u-boot,dm-spl; device_type = "cpu"; reg = <0>; compatible = "openhwgroup,cva6", "riscv"; riscv,isa = "rv64imafdc"; mmu-type = "riscv,sv39"; tlb-split; // HLIC - hart local interrupt controller CPU0_intc: interrupt-controller { #interrupt-cells = <1>; interrupt-controller; compatible = "riscv,cpu-intc"; }; }; CPU1: cpu@1 { clocks = <&clk0>; device_type = "cpu"; reg = <1>; compatible = "openhwgroup,cva6", "riscv"; riscv,isa = "rv64imafdc"; mmu-type = "riscv,sv39"; tlb-split; // HLIC - hart local interrupt controller CPU1_intc: interrupt-controller { #interrupt-cells = <1>; interrupt-controller; compatible = "riscv,cpu-intc"; }; }; }; clocks { clk0: osc { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <66667000>; }; }; memory@80000000 { u-boot,dm-spl; device_type = "memory"; reg = < 0x00000000 0x80000000 0x00000000 0x40000000 >; }; soc { #address-cells = <1>; #size-cells = <1>; compatible = "openpiton,chipset", "simple-bus"; ranges; uart0: uart@fff0c2c000 { compatible = "ns16550", "openpiton,ns16550"; reg = < 0x000000ff 0xf0c2c000 0x00000000 0x000d4000 >; interrupt-parent = <&PLIC0>; interrupts = <1>; reg-shift = <0>; // regs are spaced on 8 bit boundary }; eth: ethernet@fff0d00000 { compatible = "xlnx,xps-ethernetlite-1.00.a", "openpiton,ethernet"; device_type = "network"; reg = < 0x000000ff 0xf0d00000 0x00000000 0x00100000 >; interrupt-parent = <&PLIC0>; interrupts = <2>; phy-handle = <&phy0>; xlnx,duplex = <0x1>; xlnx,include-global-buffers = <0x1>; xlnx,include-internal-loopback = <0x0>; xlnx,include-mdio = <0x1>; xlnx,rx-ping-pong = <0x1>; xlnx,s-axi-id-width = <0x1>; xlnx,tx-ping-pong = <0x1>; xlnx,use-internal = <0x0>; axi_ethernetlite_0_mdio: mdio { #address-cells = <1>; #size-cells = <0>; phy0: phy@1 { compatible = "ethernet-phy-id001C.C915"; device_type = "ethernet-phy"; reg = <1>; }; }; }; sdhci_0: sdhci@f000000000 { u-boot,dm-spl; compatible = "openpiton,piton-mmc", "openpiton,mmc"; reg = < 0x000000f0 0x00000000 0x00000000 0x00300000 >; }; clint@fff1020000 { compatible = "sifive,clint0", "openpiton,clint"; interrupts-extended = < &CPU0_intc 3 &CPU0_intc 7 &CPU1_intc 3 &CPU1_intc 7 >; reg = < 0x000000ff 0xf1020000 0x00000000 0x000c0000 >; clocks = <&clk0>; }; PLIC0: plic@fff1100000 { u-boot,dm-spl; #interrupt-cells = <1>; compatible = "sifive,plic-1.0.0", "openpiton,plic"; interrupt-controller; interrupts-extended = < &CPU0_intc 11 &CPU0_intc 9 &CPU1_intc 11 &CPU1_intc 9 >; reg = < 0x000000ff 0xf1100000 0x00000000 0x04000000 >; riscv,max-priority = <7>; riscv,ndev = <2>; }; }; };