--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Device Tree Source for the Socrates board (MPC8544).
+ *
+ * Copyright (c) 2008 Emcraft Systems.
+ * Sergei Poselenov, <sposelenov@emcraft.com>
+ *
+ */
+
+/dts-v1/;
+
+/ {
+ model = "abb,socrates";
+ compatible = "abb,socrates";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ aliases {
+ ethernet0 = &enet0;
+ ethernet1 = &enet1;
+ serial0 = &serial0;
+ serial1 = &serial1;
+ pci0 = &pci0;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ PowerPC,8544@0 {
+ device_type = "cpu";
+ reg = <0>;
+ d-cache-line-size = <32>;
+ i-cache-line-size = <32>;
+ d-cache-size = <0x8000>; // L1, 32K
+ i-cache-size = <0x8000>; // L1, 32K
+ timebase-frequency = <0>;
+ bus-frequency = <0>;
+ clock-frequency = <0>;
+ next-level-cache = <&L2>;
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x00000000>; // Filled in by U-Boot
+ };
+
+ soc8544@e0000000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ device_type = "soc";
+
+ ranges = <0x00000000 0xe0000000 0x00100000>;
+ bus-frequency = <0>; // Filled in by U-Boot
+ compatible = "fsl,mpc8544-immr", "simple-bus";
+
+ ecm-law@0 {
+ compatible = "fsl,ecm-law";
+ reg = <0x0 0x1000>;
+ fsl,num-laws = <10>;
+ };
+
+ ecm@1000 {
+ compatible = "fsl,mpc8544-ecm", "fsl,ecm";
+ reg = <0x1000 0x1000>;
+ interrupts = <17 2>;
+ interrupt-parent = <&mpic>;
+ };
+
+ memory-controller@2000 {
+ compatible = "fsl,mpc8544-memory-controller";
+ reg = <0x2000 0x1000>;
+ interrupt-parent = <&mpic>;
+ interrupts = <18 2>;
+ };
+
+ L2: l2-cache-controller@20000 {
+ compatible = "fsl,mpc8544-l2-cache-controller";
+ reg = <0x20000 0x1000>;
+ cache-line-size = <32>;
+ cache-size = <0x40000>; // L2, 256K
+ interrupt-parent = <&mpic>;
+ interrupts = <16 2>;
+ };
+
+ i2c@3000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cell-index = <0>;
+ compatible = "fsl,mpc8544-i2c", "fsl-i2c";
+ reg = <0x3000 0x100>;
+ interrupts = <43 2>;
+ interrupt-parent = <&mpic>;
+ fsl,preserve-clocking;
+
+ dtt@28 {
+ compatible = "winbond,w83782d";
+ reg = <0x28>;
+ };
+ rtc@32 {
+ compatible = "epson,rx8025";
+ reg = <0x32>;
+ interrupts = <7 1>;
+ interrupt-parent = <&mpic>;
+ };
+ dtt@4c {
+ compatible = "dallas,ds75";
+ reg = <0x4c>;
+ };
+ ts@4a {
+ compatible = "ti,tsc2003";
+ reg = <0x4a>;
+ interrupt-parent = <&mpic>;
+ interrupts = <8 1>;
+ };
+ };
+
+ i2c@3100 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cell-index = <1>;
+ compatible = "fsl,mpc8544-i2c", "fsl-i2c";
+ reg = <0x3100 0x100>;
+ interrupts = <43 2>;
+ interrupt-parent = <&mpic>;
+ fsl,preserve-clocking;
+ };
+
+ enet0: ethernet@24000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ cell-index = <0>;
+ device_type = "network";
+ model = "eTSEC";
+ compatible = "gianfar";
+ reg = <0x24000 0x1000>;
+ ranges = <0x0 0x24000 0x1000>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ interrupts = <29 2 30 2 34 2>;
+ interrupt-parent = <&mpic>;
+ phy-handle = <&phy0>;
+ tbi-handle = <&tbi0>;
+ phy-connection-type = "rgmii-id";
+
+ mdio@520 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "fsl,gianfar-mdio";
+ reg = <0x520 0x20>;
+
+ phy0: ethernet-phy@0 {
+ interrupt-parent = <&mpic>;
+ interrupts = <0 1>;
+ reg = <0>;
+ };
+ phy1: ethernet-phy@1 {
+ interrupt-parent = <&mpic>;
+ interrupts = <0 1>;
+ reg = <1>;
+ };
+ tbi0: tbi-phy@11 {
+ reg = <0x11>;
+ };
+ };
+ };
+
+ enet1: ethernet@26000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ cell-index = <1>;
+ device_type = "network";
+ model = "eTSEC";
+ compatible = "gianfar";
+ reg = <0x26000 0x1000>;
+ ranges = <0x0 0x26000 0x1000>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ interrupts = <31 2 32 2 33 2>;
+ interrupt-parent = <&mpic>;
+ phy-handle = <&phy1>;
+ tbi-handle = <&tbi1>;
+ phy-connection-type = "rgmii-id";
+
+ mdio@520 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "fsl,gianfar-tbi";
+ reg = <0x520 0x20>;
+
+ tbi1: tbi-phy@11 {
+ reg = <0x11>;
+ };
+ };
+ };
+
+ serial0: serial@4500 {
+ cell-index = <0>;
+ device_type = "serial";
+ compatible = "fsl,ns16550", "ns16550";
+ reg = <0x4500 0x100>;
+ clock-frequency = <0>;
+ interrupts = <42 2>;
+ interrupt-parent = <&mpic>;
+ };
+
+ serial1: serial@4600 {
+ cell-index = <1>;
+ device_type = "serial";
+ compatible = "fsl,ns16550", "ns16550";
+ reg = <0x4600 0x100>;
+ clock-frequency = <0>;
+ interrupts = <42 2>;
+ interrupt-parent = <&mpic>;
+ };
+
+ global-utilities@e0000 { //global utilities block
+ compatible = "fsl,mpc8548-guts";
+ reg = <0xe0000 0x1000>;
+ fsl,has-rstcr;
+ };
+
+ mpic: pic@40000 {
+ interrupt-controller;
+ #address-cells = <0>;
+ #interrupt-cells = <2>;
+ reg = <0x40000 0x40000>;
+ compatible = "chrp,open-pic";
+ device_type = "open-pic";
+ };
+ };
+
+
+ localbus {
+ compatible = "fsl,mpc8544-localbus",
+ "fsl,pq3-localbus",
+ "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <1>;
+ reg = <0xe0005000 0x40>;
+ interrupt-parent = <&mpic>;
+ interrupts = <19 2>;
+
+ ranges = <0 0 0xfc000000 0x04000000
+ 2 0 0xc8000000 0x04000000
+ 3 0 0xc0000000 0x00100000
+ >; /* Overwritten by U-Boot */
+
+ nor_flash@0,0 {
+ compatible = "amd,s29gl256n", "cfi-flash";
+ bank-width = <2>;
+ reg = <0x0 0x000000 0x4000000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ partition@0 {
+ label = "kernel";
+ reg = <0x0 0x1e0000>;
+ read-only;
+ };
+ partition@1e0000 {
+ label = "dtb";
+ reg = <0x1e0000 0x20000>;
+ };
+ partition@200000 {
+ label = "root";
+ reg = <0x200000 0x200000>;
+ };
+ partition@400000 {
+ label = "user";
+ reg = <0x400000 0x3b80000>;
+ };
+ partition@3f80000 {
+ label = "env";
+ reg = <0x3f80000 0x40000>;
+ read-only;
+ };
+ partition@3fc0000 {
+ label = "u-boot";
+ reg = <0x3fc0000 0x40000>;
+ read-only;
+ };
+ };
+
+ display@2,0 {
+ compatible = "fujitsu,lime";
+ reg = <2 0x0 0x4000000>;
+ interrupt-parent = <&mpic>;
+ interrupts = <6 1>;
+ };
+
+ fpga_pic: fpga-pic@3,10 {
+ compatible = "abb,socrates-fpga-pic";
+ reg = <3 0x10 0x10>;
+ interrupt-controller;
+ /* IRQs 2, 10, 11, active low, level-sensitive */
+ interrupts = <2 1 10 1 11 1>;
+ interrupt-parent = <&mpic>;
+ #interrupt-cells = <3>;
+ };
+
+ spi@3,60 {
+ compatible = "abb,socrates-spi";
+ reg = <3 0x60 0x10>;
+ interrupts = <8 4 0>; // number, type, routing
+ interrupt-parent = <&fpga_pic>;
+ };
+
+ nand@3,70 {
+ compatible = "abb,socrates-nand";
+ reg = <3 0x70 0x04>;
+ bank-width = <1>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ data@0 {
+ label = "data";
+ reg = <0x0 0x40000000>;
+ };
+ };
+
+ can@3,100 {
+ compatible = "philips,sja1000";
+ reg = <3 0x100 0x80>;
+ interrupts = <2 8 1>; // number, type, routing
+ interrupt-parent = <&fpga_pic>;
+ };
+ };
+
+ pci0: pci@e0008000 {
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ compatible = "fsl,mpc8540-pci";
+ device_type = "pci";
+ reg = <0xe0008000 0x1000>;
+ clock-frequency = <66666666>;
+
+ interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
+ interrupt-map = <
+ /* IDSEL 0x11 */
+ 0x8800 0x0 0x0 1 &mpic 5 1
+ /* IDSEL 0x12 */
+ 0x9000 0x0 0x0 1 &mpic 4 1>;
+ interrupt-parent = <&mpic>;
+ interrupts = <24 2>;
+ bus-range = <0x0 0x0>;
+ ranges = <0x02000000 0x0 0x80000000 0x80000000 0x0 0x20000000
+ 0x01000000 0x0 0x00000000 0xe2000000 0x0 0x01000000>;
+ };
+
+};