/*
* Device Tree Source for IBM Walnut
*
* Copyright 2007 IBM Corp.
* Josh Boyer <jwboyer@linux.vnet.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.
*/
/ {
#address-cells = <1>;
#size-cells = <1>;
model = "ibm,walnut";
compatible = "ibm,walnut";
dcr-parent = <&/cpus/PowerPC,405GP@0>;
cpus {
#address-cells = <1>;
#size-cells = <0>;
PowerPC,405GP@0 {
device_type = "cpu";
reg = <0>;
clock-frequency = <bebc200>; /* Filled in by zImage */
timebase-frequency = <0>; /* Filled in by zImage */
i-cache-line-size = <20>;
d-cache-line-size = <20>;
i-cache-size = <4000>;
d-cache-size = <4000>;
dcr-controller;
dcr-access-method = "native";
};
};
memory {
device_type = "memory";
reg = <0 0>; /* Filled in by zImage */
};
UIC0: interrupt-controller {
compatible = "ibm,uic";
interrupt-controller;
cell-index = <0>;
dcr-reg = <0c0 9>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
};
plb {
compatible = "ibm,plb3";
#address-cells = <1>;
#size-cells = <1>;
ranges;
clock-frequency = <0>; /* Filled in by zImage */
SDRAM0: memory-controller {
compatible = "ibm,sdram-405gp";
dcr-reg = <010 2>;
};
MAL: mcmal {
compatible = "ibm,mcmal-405gp", "ibm,mcmal";
dcr-reg = <180 62>;
num-tx-chans = <1>;
num-rx-chans = <1>;
interrupt-parent = <&UIC0>;
interrupts = <
b 4 /* TXEOB */
c 4 /* RXEOB */
a 4 /* SERR */
d 4 /* TXDE */
e 4 /* RXDE */>;
};
POB0: opb {
compatible = "ibm,opb-405gp", "ibm,opb";
#address-cells = <1>;
#size-cells = <1>;
ranges = <ef600000 ef600000 a00000>;
dcr-reg = <0a0 5>;
clock-frequency = <0>; /* Filled in by zImage */
UART0: serial@ef600300 {
device_type = "serial";
compatible = "ns16550";
reg = <ef600300 8>;
virtual-reg = <ef600300>;
clock-frequency = <0>; /* Filled in by zImage */
current-speed = <2580>;
interrupt-parent = <&UIC0>;
interrupts = <0 4>;
};
UART1: serial@ef600400 {
device_type = "serial";
compatible = "ns16550";
reg = <ef600400 8>;
virtual-reg = <ef600400>;
clock-frequency = <0>; /* Filled in by zImage */
current-speed = <2580>;
interrupt-parent = <&UIC0>;
interrupts = <1 4>;
};
IIC: i2c@ef600500 {
compatible = "ibm,iic-405gp", "ibm,iic";
reg = <ef600500 11>;
interrupt-parent = <&UIC0>;
interrupts = <2 4>;
};
GPIO: gpio@ef600700 {
compatible = "ibm,gpio-405gp";
reg = <ef600700 20>;
};
EMAC: ethernet@ef600800 {
linux,network-index = <0>;
device_type = "network";
compatible = "ibm,emac-405gp", "ibm,emac";
interrupt-parent = <&UIC0>;
interrupts = <
f 4 /* Ethernet */
9 4 /* Ethernet Wake Up */>;
local-mac-address = [000000000000]; /* Filled in by zImage */
reg = <ef600800 70>;
mal-device = <&MAL>;
mal-tx-channel = <0>;
mal-rx-channel = <0>;
cell-index = <0>;
max-frame-size = <5dc>;
rx-fifo-size = <1000>;
tx-fifo-size = <800>;
phy-mode = "rmii";
phy-map = <00000001>;
};
};
EBC0: ebc {
compatible = "ibm,ebc-405gp", "ibm,ebc";
dcr-reg = <012 2>;
#address-cells = <2>;
#size-cells = <1>;
/* The ranges property is supplied by the bootwrapper
* and is based on the firmware's configuration of the
* EBC bridge
*/
clock-frequency = <0>; /* Filled in by zImage */
sram@0,0 {
reg = <0 0 80000>;
};
flash@0,80000 {
compatible = "jedec-flash";
bank-width = <1>;
reg = <0 80000 80000>;
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "OpenBIOS";
reg = <0 80000>;
read-only;
};
};
ds1743@1,0 {
/* NVRAM and RTC */
compatible = "ds1743";
reg = <1 0 2000>;
};
keyboard@2,0 {
compatible = "intel,82C42PC";
reg = <2 0 2>;
};
ir@3,0 {
compatible = "ti,TIR2000PAG";
reg = <3 0 10>;
};
fpga@7,0 {
compatible = "Walnut-FPGA";
reg = <7 0 10>;
virtual-reg = <f0300005>;
};
};
};
chosen {
linux,stdout-path = "/plb/opb/serial@ef600300";
};
};
