Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /dts-v1/; |
| 3 | / { |
| 4 | compatible = "opencores,or1ksim"; |
| 5 | #address-cells = <1>; |
| 6 | #size-cells = <1>; |
| 7 | interrupt-parent = <&pic>; |
| 8 | |
| 9 | aliases { |
| 10 | uart0 = &serial0; |
| 11 | }; |
| 12 | |
| 13 | chosen { |
| 14 | bootargs = "earlycon"; |
| 15 | stdout-path = "uart0:115200"; |
| 16 | }; |
| 17 | |
| 18 | memory@0 { |
| 19 | device_type = "memory"; |
| 20 | reg = <0x00000000 0x02000000>; |
| 21 | }; |
| 22 | |
| 23 | cpus { |
| 24 | #address-cells = <1>; |
| 25 | #size-cells = <0>; |
| 26 | cpu@0 { |
| 27 | compatible = "opencores,or1200-rtlsvn481"; |
| 28 | reg = <0>; |
| 29 | clock-frequency = <20000000>; |
| 30 | }; |
| 31 | }; |
| 32 | |
| 33 | /* |
| 34 | * OR1K PIC is built into CPU and accessed via special purpose |
| 35 | * registers. It is not addressable and, hence, has no 'reg' |
| 36 | * property. |
| 37 | */ |
| 38 | pic: pic { |
| 39 | compatible = "opencores,or1k-pic"; |
| 40 | #interrupt-cells = <1>; |
| 41 | interrupt-controller; |
| 42 | }; |
| 43 | |
| 44 | serial0: serial@90000000 { |
| 45 | compatible = "opencores,uart16550-rtlsvn105", "ns16550a"; |
| 46 | reg = <0x90000000 0x100>; |
| 47 | interrupts = <2>; |
| 48 | clock-frequency = <20000000>; |
| 49 | }; |
| 50 | |
| 51 | enet0: ethoc@92000000 { |
| 52 | compatible = "opencores,ethoc"; |
| 53 | reg = <0x92000000 0x800>; |
| 54 | interrupts = <4>; |
| 55 | big-endian; |
| 56 | }; |
| 57 | }; |