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[POWERPC] Add device tree for Ebony
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Add a device tree for the Ebony evaluation board (440GP based).  This
tree is not complete or finalized.  This tree needs a version of dtc
recent enough to include reference-to-labels to process.

Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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David Gibson authored and Paul Mackerras committed May 8, 2007
1 parent 2cd9764 commit ea20ff5
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307 changes: 307 additions & 0 deletions arch/powerpc/boot/dts/ebony.dts
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/*
* Device Tree Source for IBM Ebony
*
* Copyright (c) 2006, 2007 IBM Corp.
* Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com>
*
* FIXME: Draft only!
*
* 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.
*
* To build:
* dtc -I dts -O asm -o ebony.S -b 0 ebony.dts
* dtc -I dts -O dtb -o ebony.dtb -b 0 ebony.dts
*/

/ {
#address-cells = <2>;
#size-cells = <1>;
model = "ibm,ebony";
compatible = "ibm,ebony";
dcr-parent = <&/cpus/PowerPC,440GP@0>;

cpus {
#address-cells = <1>;
#size-cells = <0>;

PowerPC,440GP@0 {
device_type = "cpu";
reg = <0>;
clock-frequency = <0>; // Filled in by zImage
timebase-frequency = <0>; // Filled in by zImage
i-cache-line-size = <32>;
d-cache-line-size = <32>;
i-cache-size = <0>;
d-cache-size = <0>;
dcr-controller;
dcr-access-method = "native";
};
};

memory {
device_type = "memory";
reg = <0 0 0>; // Filled in by zImage
};

UIC0: interrupt-controller0 {
device_type = "ibm,uic";
compatible = "ibm,uic-440gp", "ibm,uic";
interrupt-controller;
cell-index = <0>;
dcr-reg = <0c0 009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;

};

UIC1: interrupt-controller1 {
device_type = "ibm,uic";
compatible = "ibm,uic-440gp", "ibm,uic";
interrupt-controller;
cell-index = <1>;
dcr-reg = <0d0 009>;
#address-cells = <0>;
#size-cells = <0>;
#interrupt-cells = <2>;
interrupts = <1e 4 1f 4>; /* cascade */
interrupt-parent = <&UIC0>;
};

CPC0: cpc {
device_type = "ibm,cpc";
compatible = "ibm,cpc-440gp";
dcr-reg = <0b0 003 0e0 010>;
// FIXME: anything else?
};

plb {
device_type = "ibm,plb";
compatible = "ibm,plb-440gp", "ibm,plb4";
#address-cells = <2>;
#size-cells = <1>;
ranges;
clock-frequency = <0>; // Filled in by zImage

SDRAM0: sdram {
device_type = "memory-controller";
compatible = "ibm,sdram-440gp", "ibm,sdram";
dcr-reg = <010 2>;
// FIXME: anything else?
};

DMA0: dma {
// FIXME: ???
device_type = "ibm,dma-4xx";
compatible = "ibm,dma-440gp", "ibm,dma-4xx";
dcr-reg = <100 027>;
};

MAL0: mcmal {
device_type = "mcmal-dma";
compatible = "ibm,mcmal-440gp", "ibm,mcmal";
dcr-reg = <180 62>;
num-tx-chans = <4>;
num-rx-chans = <4>;
interrupt-parent = <&MAL0>;
interrupts = <0 1 2 3 4>;
#interrupt-cells = <1>;
#address-cells = <0>;
#size-cells = <0>;
interrupt-map = </*TXEOB*/ 0 &UIC0 a 4
/*RXEOB*/ 1 &UIC0 b 4
/*SERR*/ 2 &UIC1 0 4
/*TXDE*/ 3 &UIC1 1 4
/*RXDE*/ 4 &UIC1 2 4>;
interrupt-map-mask = <ffffffff>;
};

POB0: opb {
device_type = "ibm,opb";
compatible = "ibm,opb-440gp", "ibm,opb";
#address-cells = <1>;
#size-cells = <1>;
/* Wish there was a nicer way of specifying a full 32-bit
range */
ranges = <00000000 1 00000000 80000000
80000000 1 80000000 80000000>;
dcr-reg = <090 00b>;
interrupt-parent = <&UIC1>;
interrupts = <7 4>;
clock-frequency = <0>; // Filled in by zImage

EBC0: ebc {
device_type = "ibm,ebc";
compatible = "ibm,ebc-440gp";
dcr-reg = <012 2>;
#address-cells = <2>;
#size-cells = <1>;
clock-frequency = <0>; // Filled in by zImage
ranges = <0 00000000 fff00000 100000
1 00000000 48000000 100000
2 00000000 ff800000 400000
3 00000000 48200000 100000
7 00000000 48300000 100000>;
interrupts = <5 4>;
interrupt-parent = <&UIC1>;

small-flash@0,0 {
device_type = "rom";
compatible = "direct-mapped";
probe-type = "JEDEC";
bank-width = <1>;
partitions = <0 80000>;
partition-names = "OpenBIOS";
reg = <0 80000 80000>;
};

ds1743@1,0 {
/* NVRAM & RTC */
device_type = "nvram";
compatible = "ds1743";
reg = <1 0 2000>;
};

large-flash@2,0 {
device_type = "rom";
compatible = "direct-mapped";
probe-type = "JEDEC";
bank-width = <1>;
partitions = <0 380000
280000 80000>;
partition-names = "fs", "firmware";
reg = <2 0 400000>;
};

ir@3,0 {
reg = <3 0 10>;
};

fpga@7,0 {
compatible = "Ebony-FPGA";
reg = <7 0 10>;
};
};

UART0: serial@40000200 {
device_type = "serial";
compatible = "ns16550";
reg = <40000200 8>;
virtual-reg = <e0000200>;
clock-frequency = <A8C000>;
current-speed = <2580>;
interrupt-parent = <&UIC0>;
interrupts = <0 4>;
};

UART1: serial@40000300 {
device_type = "serial";
compatible = "ns16550";
reg = <40000300 8>;
virtual-reg = <e0000300>;
clock-frequency = <A8C000>;
current-speed = <2580>;
interrupt-parent = <&UIC0>;
interrupts = <1 4>;
};

IIC0: i2c@40000400 {
/* FIXME */
device_type = "i2c";
compatible = "ibm,iic-440gp", "ibm,iic";
reg = <40000400 14>;
interrupt-parent = <&UIC0>;
interrupts = <2 4>;
};
IIC1: i2c@40000500 {
/* FIXME */
device_type = "i2c";
compatible = "ibm,iic-440gp", "ibm,iic";
reg = <40000500 14>;
interrupt-parent = <&UIC0>;
interrupts = <3 4>;
};

GPIO0: gpio@40000700 {
/* FIXME */
device_type = "gpio";
compatible = "ibm,gpio-440gp";
reg = <40000700 20>;
};

ZMII0: emac-zmii@40000780 {
device_type = "emac-zmii";
compatible = "ibm,zmii-440gp", "ibm,zmii";
reg = <40000780 c>;
};

EMAC0: ethernet@40000800 {
linux,network-index = <0>;
device_type = "network";
compatible = "ibm,emac-440gp", "ibm,emac";
interrupt-parent = <&UIC1>;
interrupts = <1c 4 1d 4>;
reg = <40000800 70>;
local-mac-address = [000000000000]; // Filled in by zImage
mal-device = <&MAL0>;
mal-tx-channel = <0 1>;
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>;
zmii-device = <&ZMII0>;
zmii-channel = <0>;
};
EMAC1: ethernet@40000900 {
linux,network-index = <1>;
device_type = "network";
compatible = "ibm,emac-440gp", "ibm,emac";
interrupt-parent = <&UIC1>;
interrupts = <1e 4 1f 4>;
reg = <40000900 70>;
local-mac-address = [000000000000]; // Filled in by zImage
mal-device = <&MAL0>;
mal-tx-channel = <2 3>;
mal-rx-channel = <1>;
cell-index = <1>;
max-frame-size = <5dc>;
rx-fifo-size = <1000>;
tx-fifo-size = <800>;
phy-mode = "rmii";
phy-map = <00000001>;
zmii-device = <&ZMII0>;
zmii-channel = <1>;
};


GPT0: gpt@40000a00 {
/* FIXME */
reg = <40000a00 d4>;
interrupt-parent = <&UIC0>;
interrupts = <12 4 13 4 14 4 15 4 16 4>;
};

};

PCIX0: pci@1234 {
device_type = "pci";
/* FIXME */
reg = <2 0ec00000 8
2 0ec80000 f0
2 0ec80100 fc>;
};
};

chosen {
linux,stdout-path = "/plb/opb/serial@40000200";
// linux,initrd-start = <0>; /* FIXME */
// linux,initrd-end = <0>;
// bootargs = "";
};
};

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