156 lines
3.8 KiB
Plaintext
156 lines
3.8 KiB
Plaintext
|
/*
|
||
|
* 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";
|
||
|
};
|
||
|
};
|