2 * Device Tree Source for IBM Embedded PPC 476 Platform
4 * Copyright 2010 Torez Smith, IBM Corporation.
6 * Based on earlier code:
7 * Copyright (c) 2006, 2007 IBM Corp.
8 * Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com>
10 * This file is licensed under the terms of the GNU General Public
11 * License version 2. This program is licensed "as is" without
12 * any warranty of any kind, whether express or implied.
20 model = "ibm,iss-4xx";
21 compatible = "ibm,iss-4xx";
22 dcr-parent = <&{/cpus/cpu@0}>;
34 model = "PowerPC,4xx"; // real CPU changed in sim
36 clock-frequency = <100000000>; // 100Mhz :-)
37 timebase-frequency = <100000000>;
38 i-cache-line-size = <32>; // may need fixup in sim
39 d-cache-line-size = <32>; // may need fixup in sim
40 i-cache-size = <32768>; /* may need fixup in sim */
41 d-cache-size = <32768>; /* may need fixup in sim */
43 dcr-access-method = "native";
48 device_type = "memory";
49 reg = <0x00000000 0x00000000 0x00000000>; // Filled in by zImage
52 UIC0: interrupt-controller0 {
53 compatible = "ibm,uic-4xx", "ibm,uic";
56 dcr-reg = <0x0c0 0x009>;
59 #interrupt-cells = <2>;
63 UIC1: interrupt-controller1 {
64 compatible = "ibm,uic-4xx", "ibm,uic";
67 dcr-reg = <0x0d0 0x009>;
70 #interrupt-cells = <2>;
71 interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
72 interrupt-parent = <&UIC0>;
76 compatible = "ibm,plb-4xx", "ibm,plb4"; /* Could be PLB6, doesn't matter */
80 clock-frequency = <0>; // Filled in by zImage
83 compatible = "ibm,opb-4xx", "ibm,opb";
86 /* Wish there was a nicer way of specifying a full 32-bit
88 ranges = <0x00000000 0x00000001 0x00000000 0x80000000
89 0x80000000 0x00000001 0x80000000 0x80000000>;
90 clock-frequency = <0>; // Filled in by zImage
91 UART0: serial@40000200 {
92 device_type = "serial";
93 compatible = "ns16550a";
94 reg = <0x40000200 0x00000008>;
95 virtual-reg = <0xe0000200>;
96 clock-frequency = <11059200>;
97 current-speed = <115200>;
98 interrupt-parent = <&UIC0>;
99 interrupts = <0x0 0x4>;
105 compatible = "ds1743-nvram", "ds1743", "rtc-ds1743";
106 reg = <0 0xEF703000 0x2000>;
109 compatible = "ibm,iss-sim-block-device";
110 reg = <0 0xEF701000 0x1000>;
114 stdout-path = "/plb/opb/serial@40000200";