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Diffstat (limited to 'kernel/arch/powerpc/boot/dts/iss4xx-mpic.dts')
-rw-r--r--kernel/arch/powerpc/boot/dts/iss4xx-mpic.dts155
1 files changed, 155 insertions, 0 deletions
diff --git a/kernel/arch/powerpc/boot/dts/iss4xx-mpic.dts b/kernel/arch/powerpc/boot/dts/iss4xx-mpic.dts
new file mode 100644
index 000000000..23e9d9b7e
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+++ b/kernel/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";
+ };
+};