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/*
* Device Tree Source for IBM Embedded PPC 476 Platform
*
* Copyright 2010 Torez Smith, IBM Corporation.
*
* Based on earlier code:
* Copyright (c) 2006, 2007 IBM Corp.
* Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without
* any warranty of any kind, whether express or implied.
*/
/dts-v1/;
/memreserve/ 0x01f00000 0x00100000;
/ {
#address-cells = <2>;
#size-cells = <1>;
model = "ibm,iss-4xx";
compatible = "ibm,iss-4xx";
dcr-parent = <&{/cpus/cpu@0}>;
aliases {
serial0 = &UART0;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
device_type = "cpu";
model = "PowerPC,4xx"; // real CPU changed in sim
reg = <0>;
clock-frequency = <100000000>; // 100Mhz :-)
timebase-frequency = <100000000>;
i-cache-line-size = <32>;
d-cache-line-size = <32>;
i-cache-size = <32768>;
d-cache-size = <32768>;
dcr-controller;
dcr-access-method = "native";
status = "ok";
};
cpu@1 {
device_type = "cpu";
model = "PowerPC,4xx"; // real CPU changed in sim
reg = <1>;
clock-frequency = <100000000>; // 100Mhz :-)
timebase-frequency = <100000000>;
i-cache-line-size = <32>;
d-cache-line-size = <32>;
i-cache-size = <32768>;
d-cache-size = <32768>;
dcr-controller;
dcr-access-method = "native";
status = "disabled";
enable-method = "spin-table";
cpu-release-addr = <0 0x01f00100>;
};
cpu@2 {
device_type = "cpu";
model = "PowerPC,4xx"; // real CPU changed in sim
reg = <2>;
clock-frequency = <100000000>; // 100Mhz :-)
timebase-frequency = <100000000>;
i-cache-line-size = <32>;
d-cache-line-size = <32>;
i-cache-size = <32768>;
d-cache-size = <32768>;
dcr-controller;
dcr-access-method = "native";
status = "disabled";
enable-method = "spin-table";
cpu-release-addr = <0 0x01f00200>;
};
cpu@3 {
device_type = "cpu";
model = "PowerPC,4xx"; // real CPU changed in sim
reg = <3>;
clock-frequency = <100000000>; // 100Mhz :-)
timebase-frequency = <100000000>;
i-cache-line-size = <32>;
d-cache-line-size = <32>;
i-cache-size = <32768>;
d-cache-size = <32768>;
dcr-controller;
dcr-access-method = "native";
status = "disabled";
enable-method = "spin-table";
cpu-release-addr = <0 0x01f00300>;
};
};
memory {
device_type = "memory";
reg = <0x00000000 0x00000000 0x00000000>; // Filled in by zImage
};
MPIC: interrupt-controller {
compatible = "chrp,open-pic";
interrupt-controller;
dcr-reg = <0xffc00000 0x00030000>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
};
plb {
compatible = "ibm,plb-4xx", "ibm,plb4"; /* Could be PLB6, doesn't matter */
#address-cells = <2>;
#size-cells = <1>;
ranges;
clock-frequency = <0>; // Filled in by zImage
POB0: opb {
compatible = "ibm,opb-4xx", "ibm,opb";
#address-cells = <1>;
#size-cells = <1>;
/* Wish there was a nicer way of specifying a full 32-bit
range */
ranges = <0x00000000 0x00000001 0x00000000 0x80000000
0x80000000 0x00000001 0x80000000 0x80000000>;
clock-frequency = <0>; // Filled in by zImage
UART0: serial@40000200 {
device_type = "serial";
compatible = "ns16550a";
reg = <0x40000200 0x00000008>;
virtual-reg = <0xe0000200>;
clock-frequency = <11059200>;
current-speed = <115200>;
interrupt-parent = <&MPIC>;
interrupts = <0x0 0x2>;
};
};
};
nvrtc {
compatible = "ds1743-nvram", "ds1743", "rtc-ds1743";
reg = <0 0xEF703000 0x2000>;
};
iss-block {
compatible = "ibm,iss-sim-block-device";
reg = <0 0xEF701000 0x1000>;
};
chosen {
linux,stdout-path = "/plb/opb/serial@40000200";
};
};
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