| // SPDX-License-Identifier: GPL-2.0 |
| /dts-v1/; |
| / { |
| compatible = "opencores,or1ksim"; |
| #address-cells = <1>; |
| #size-cells = <1>; |
| interrupt-parent = <&pic>; |
| |
| aliases { |
| uart0 = &serial0; |
| }; |
| |
| chosen { |
| bootargs = "earlycon"; |
| stdout-path = "uart0:115200"; |
| }; |
| |
| memory@0 { |
| device_type = "memory"; |
| reg = <0x00000000 0x02000000>; |
| }; |
| |
| cpus { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| cpu@0 { |
| compatible = "opencores,or1200-rtlsvn481"; |
| reg = <0>; |
| clock-frequency = <20000000>; |
| }; |
| }; |
| |
| /* |
| * OR1K PIC is built into CPU and accessed via special purpose |
| * registers. It is not addressable and, hence, has no 'reg' |
| * property. |
| */ |
| pic: pic { |
| compatible = "opencores,or1k-pic"; |
| #interrupt-cells = <1>; |
| interrupt-controller; |
| }; |
| |
| serial0: serial@90000000 { |
| compatible = "opencores,uart16550-rtlsvn105", "ns16550a"; |
| reg = <0x90000000 0x100>; |
| interrupts = <2>; |
| clock-frequency = <20000000>; |
| }; |
| |
| enet0: ethoc@92000000 { |
| compatible = "opencores,ethmac-rtlsvn338"; |
| reg = <0x92000000 0x100>; |
| interrupts = <4>; |
| }; |
| }; |