[POWERPC] 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@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 307 insertions, 0 deletions

diff --git a/arch/powerpc/boot/dts/ebony.dts b/arch/powerpc/boot/dts/ebony.dts
new file mode 100644
index 000000000000..b67918651c48
--- /dev/null
+++ b/arch/powerpc/boot/dts/ebony.dts
@@ -0,0 +1,307 @@
+/*
+ * 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 = "";
+        };
+};
+