Initial import

1 files changed, 155 insertions, 0 deletions

diff --git a/arch/powerpc/boot/dts/iss4xx-mpic.dts b/arch/powerpc/boot/dts/iss4xx-mpic.dts
new file mode 100644
index 000000000..23e9d9b7e
--- /dev/null
+++ b/arch/powerpc/boot/dts/iss4xx-mpic.dts
@@ -0,0 +1,155 @@
+/*
+ * Device Tree Source for IBM Embedded PPC 476 Platform
+ *
+ * Copyright 2010 Torez Smith, IBM Corporation.
+ *
+ * Based on earlier code:
+ *     Copyright (c) 2006, 2007 IBM Corp.
+ *     Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.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.
+ */
+
+/dts-v1/;
+
+/memreserve/ 0x01f00000 0x00100000;
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <1>;
+	model = "ibm,iss-4xx";
+	compatible = "ibm,iss-4xx";
+	dcr-parent = <&{/cpus/cpu@0}>;
+
+	aliases {
+		serial0 = &UART0;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			model = "PowerPC,4xx"; // real CPU changed in sim
+			reg = <0>;
+			clock-frequency = <100000000>; // 100Mhz :-)
+			timebase-frequency = <100000000>;
+			i-cache-line-size = <32>;
+			d-cache-line-size = <32>;
+			i-cache-size = <32768>;
+			d-cache-size = <32768>;
+			dcr-controller;
+			dcr-access-method = "native";
+			status = "ok";
+		};
+		cpu@1 {
+			device_type = "cpu";
+			model = "PowerPC,4xx"; // real CPU changed in sim
+			reg = <1>;
+			clock-frequency = <100000000>; // 100Mhz :-)
+			timebase-frequency = <100000000>;
+			i-cache-line-size = <32>;
+			d-cache-line-size = <32>;
+			i-cache-size = <32768>;
+			d-cache-size = <32768>;
+			dcr-controller;
+			dcr-access-method = "native";
+			status = "disabled";
+			enable-method = "spin-table";
+			cpu-release-addr = <0 0x01f00100>;
+		};
+		cpu@2 {
+			device_type = "cpu";
+			model = "PowerPC,4xx"; // real CPU changed in sim
+			reg = <2>;
+			clock-frequency = <100000000>; // 100Mhz :-)
+			timebase-frequency = <100000000>;
+			i-cache-line-size = <32>;
+			d-cache-line-size = <32>;
+			i-cache-size = <32768>;
+			d-cache-size = <32768>;
+			dcr-controller;
+			dcr-access-method = "native";
+			status = "disabled";
+			enable-method = "spin-table";
+			cpu-release-addr = <0 0x01f00200>;
+		};
+		cpu@3 {
+			device_type = "cpu";
+			model = "PowerPC,4xx"; // real CPU changed in sim
+			reg = <3>;
+			clock-frequency = <100000000>; // 100Mhz :-)
+			timebase-frequency = <100000000>;
+			i-cache-line-size = <32>;
+			d-cache-line-size = <32>;
+			i-cache-size = <32768>;
+			d-cache-size = <32768>;
+			dcr-controller;
+			dcr-access-method = "native";
+			status = "disabled";
+			enable-method = "spin-table";
+			cpu-release-addr = <0 0x01f00300>;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg =  <0x00000000 0x00000000 0x00000000>; // Filled in by zImage
+
+	};
+
+	MPIC: interrupt-controller {
+		compatible = "chrp,open-pic";
+		interrupt-controller;
+		dcr-reg = <0xffc00000 0x00030000>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+
+	};
+
+	plb {
+		compatible = "ibm,plb-4xx", "ibm,plb4"; /* Could be PLB6, doesn't matter */
+		#address-cells = <2>;
+		#size-cells = <1>;
+		ranges;
+		clock-frequency = <0>; // Filled in by zImage
+
+		POB0: opb {
+			compatible = "ibm,opb-4xx", "ibm,opb";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			/* Wish there was a nicer way of specifying a full 32-bit
+			   range */
+			ranges = <0x00000000 0x00000001 0x00000000 0x80000000
+				  0x80000000 0x00000001 0x80000000 0x80000000>;
+			clock-frequency = <0>; // Filled in by zImage
+			UART0: serial@40000200 {
+				device_type = "serial";
+				compatible = "ns16550a";
+				reg = <0x40000200 0x00000008>;
+				virtual-reg = <0xe0000200>;
+				clock-frequency = <11059200>;
+				current-speed = <115200>;
+				interrupt-parent = <&MPIC>;
+				interrupts = <0x0 0x2>;
+			};
+		};
+	};
+
+	nvrtc {
+		compatible = "ds1743-nvram", "ds1743", "rtc-ds1743";
+		reg = <0 0xEF703000 0x2000>;
+	};
+	iss-block {
+		compatible = "ibm,iss-sim-block-device";
+		reg = <0 0xEF701000 0x1000>;
+	};
+
+	chosen {
+		linux,stdout-path = "/plb/opb/serial@40000200";
+	};
+};