beri-netfpga.dts revision 263675
1/*- 2 * Copyright (c) 2012-2013 Robert N. M. Watson 3 * Copyright (c) 2013 SRI International 4 * Copyright (c) 2013 Bjoern A. Zeeb 5 * All rights reserved. 6 * 7 * This software was developed by SRI International and the University of 8 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) 9 * ("CTSRD"), as part of the DARPA CRASH research programme. 10 * 11 * This software was developed by SRI International and the University of 12 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-11-C-0249) 13 * ("MRC2"), as part of the DARPA MRC research programme. 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * $FreeBSD: head/sys/boot/fdt/dts/mips/beri-netfpga.dts 263675 2014-03-23 20:35:58Z bz $ 37 */ 38 39/dts-v1/; 40 41/* 42 * Device names here have been largely made up on the spot, especially for the 43 * "compatible" strings, and might want to be revised. 44 */ 45 46/ { 47 model = "SRI/Cambridge Beri (NetFPGA)"; 48 compatible = "sri-cambridge,beri-netfpga"; 49 #address-cells = <1>; 50 #size-cells = <1>; 51 52 cpus { 53 #address-cells = <1>; 54 #size-cells = <1>; 55 56 /* 57 * Secondary CPUs all start disabled and use the 58 * spin-table enable method. cpu-release-addr must be 59 * specified for each cpu other than cpu@0. Values of 60 * cpu-release-addr grow down from 0x100000 (kernel). 61 */ 62 status = "disabled"; 63 enable-method = "spin-table"; 64 65 cpu@0 { 66 device-type = "cpu"; 67 compatible = "sri-cambridge,beri"; 68 69 reg = <0 1>; 70 status = "okay"; 71 }; 72 73/* 74 cpu@1 { 75 device-type = "cpu"; 76 compatible = "sri-cambridge,beri"; 77 78 reg = <1 1>; 79 // XXX: should we need cached prefix? 80 cpu-release-addr = <0xffffffff 0x800fffe0>; 81 }; 82*/ 83 }; 84 85 soc { 86 #address-cells = <1>; 87 #size-cells = <1>; 88 #interrupt-cells = <1>; 89 90 /* 91 * Declare mips,mips4k since BERI doesn't (yet) have a PIC, so 92 * we use mips4k coprocessor 0 interrupt management directly. 93 */ 94 compatible = "simple-bus", "mips,mips4k"; 95 ranges = <>; 96 97 memory { 98 device_type = "memory"; 99 reg = <0x0 0x0FFFFFFF>; // ~256M at 0x0 100 }; 101 102 beripic: beripic@7f804000 { 103 compatible = "sri-cambridge,beri-pic"; 104 interrupt-controller; 105 #address-cells = <0>; 106 #interrupt-cells = <1>; 107 reg = <0x7f804000 0x400 108 0x7f806000 0x10 109 0x7f806080 0x10 110 0x7f806100 0x10>; 111 interrupts = <0 1 2 3 4>; 112 hard-interrupt-sources = <64>; 113 soft-interrupt-sources = <64>; 114 }; 115 116 serial0: serial@7f000000 { 117 compatible = "altera,jtag_uart-11_0"; 118 reg = <0x7f000000 0x40>; 119/* 120 interrupts = <0>; 121 interrupt-parent = <&beripic>; 122*/ 123 }; 124 125/* 126 serial0: serial@7f002100 { 127 compatible = "ns16550"; 128 reg = <0x7f002100 0x20>; 129 reg-shift = <2>; 130 clock-frequency = <100000000>; 131 interrupts = <8>; 132 interrupt-parent = <&beripic>; 133 }; 134*/ 135 }; 136 137 aliases { 138 serial0 = &serial0; 139 }; 140 141 chosen { 142 stdin = "serial0"; 143 stdout = "serial0"; 144 bootargs = "-v"; 145 }; 146}; 147