[PATCH 4/7] Add device tree for Ebony
David Gibson
david at gibson.dropbear.id.au
Tue May 8 14:09:18 EST 2007
On Mon, May 07, 2007 at 10:31:18PM -0500, Olof Johansson wrote:
> On Tue, May 08, 2007 at 12:59:30PM +1000, David Gibson wrote:
> > 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 at au1.ibm.com>
> > ---
> >
> > arch/powerpc/boot/dts/ebony.dts | 307 ++++++++++++++++++++++++++++++++++++++++
> > 1 file changed, 307 insertions(+)
> >
> > Index: working-2.6/arch/powerpc/boot/dts/ebony.dts
> > ===================================================================
> > --- /dev/null 1970-01-01 00:00:00.000000000 +0000
> > +++ working-2.6/arch/powerpc/boot/dts/ebony.dts 2007-05-01 15:37:24.000000000 +1000
> > @@ -0,0 +1,307 @@
> > +/ {
> > + #address-cells = <2>;
> > + #size-cells = <1>;
> > + model = "Ebony";
> > + compatible = "Ebony";
>
> ibm,ebony? See the discussion on the Holly port.
Yeah, fair enough. Revised patch below. Revised patch for the
support code to recognize the changed string coming.
Add device tree for Ebony
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 at au1.ibm.com>
Index: working-2.6/arch/powerpc/boot/dts/ebony.dts
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ working-2.6/arch/powerpc/boot/dts/ebony.dts 2007-05-08 13:53:25.000000000 +1000
@@ -0,0 +1,307 @@
+/*
+ * Device Tree Source for IBM Ebony
+ *
+ * Copyright (c) 2006, 2007 IBM Corp.
+ * Josh Boyer <jwboyer at linux.vnet.ibm.com>, David Gibson <dwg at 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 at 0>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ PowerPC,440GP at 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 at 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 at 1,0 {
+ /* NVRAM & RTC */
+ device_type = "nvram";
+ compatible = "ds1743";
+ reg = <1 0 2000>;
+ };
+
+ large-flash at 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 at 3,0 {
+ reg = <3 0 10>;
+ };
+
+ fpga at 7,0 {
+ compatible = "Ebony-FPGA";
+ reg = <7 0 10>;
+ };
+ };
+
+ UART0: serial at 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 at 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 at 40000400 {
+ /* FIXME */
+ device_type = "i2c";
+ compatible = "ibm,iic-440gp", "ibm,iic";
+ reg = <40000400 14>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <2 4>;
+ };
+ IIC1: i2c at 40000500 {
+ /* FIXME */
+ device_type = "i2c";
+ compatible = "ibm,iic-440gp", "ibm,iic";
+ reg = <40000500 14>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <3 4>;
+ };
+
+ GPIO0: gpio at 40000700 {
+ /* FIXME */
+ device_type = "gpio";
+ compatible = "ibm,gpio-440gp";
+ reg = <40000700 20>;
+ };
+
+ ZMII0: emac-zmii at 40000780 {
+ device_type = "emac-zmii";
+ compatible = "ibm,zmii-440gp", "ibm,zmii";
+ reg = <40000780 c>;
+ };
+
+ EMAC0: ethernet at 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 at 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 at 40000a00 {
+ /* FIXME */
+ reg = <40000a00 d4>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <12 4 13 4 14 4 15 4 16 4>;
+ };
+
+ };
+
+ PCIX0: pci at 1234 {
+ device_type = "pci";
+ /* FIXME */
+ reg = <2 0ec00000 8
+ 2 0ec80000 f0
+ 2 0ec80100 fc>;
+ };
+ };
+
+ chosen {
+ linux,stdout-path = "/plb/opb/serial at 40000200";
+// linux,initrd-start = <0>; /* FIXME */
+// linux,initrd-end = <0>;
+// bootargs = "";
+ };
+};
+
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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