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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/powerpc/boot/dts/walnut.dts
Initial import
Diffstat (limited to 'arch/powerpc/boot/dts/walnut.dts')
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diff --git a/arch/powerpc/boot/dts/walnut.dts b/arch/powerpc/boot/dts/walnut.dts
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+++ b/arch/powerpc/boot/dts/walnut.dts
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+/*
+ * Device Tree Source for IBM Walnut
+ *
+ * Copyright 2007 IBM Corp.
+ * Josh Boyer <jwboyer@linux.vnet.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/;
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ model = "ibm,walnut";
+ compatible = "ibm,walnut";
+ dcr-parent = <&{/cpus/cpu@0}>;
+
+ aliases {
+ ethernet0 = &EMAC;
+ serial0 = &UART0;
+ serial1 = &UART1;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ model = "PowerPC,405GP";
+ reg = <0x00000000>;
+ clock-frequency = <200000000>; /* Filled in by zImage */
+ timebase-frequency = <0>; /* Filled in by zImage */
+ i-cache-line-size = <32>;
+ d-cache-line-size = <32>;
+ i-cache-size = <16384>;
+ d-cache-size = <16384>;
+ dcr-controller;
+ dcr-access-method = "native";
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x00000000>; /* Filled in by zImage */
+ };
+
+ UIC0: interrupt-controller {
+ compatible = "ibm,uic";
+ interrupt-controller;
+ cell-index = <0>;
+ dcr-reg = <0x0c0 0x009>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ #interrupt-cells = <2>;
+ };
+
+ plb {
+ compatible = "ibm,plb3";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ clock-frequency = <0>; /* Filled in by zImage */
+
+ SDRAM0: memory-controller {
+ compatible = "ibm,sdram-405gp";
+ dcr-reg = <0x010 0x002>;
+ };
+
+ MAL: mcmal {
+ compatible = "ibm,mcmal-405gp", "ibm,mcmal";
+ dcr-reg = <0x180 0x062>;
+ num-tx-chans = <1>;
+ num-rx-chans = <1>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <
+ 0xb 0x4 /* TXEOB */
+ 0xc 0x4 /* RXEOB */
+ 0xa 0x4 /* SERR */
+ 0xd 0x4 /* TXDE */
+ 0xe 0x4 /* RXDE */>;
+ };
+
+ POB0: opb {
+ compatible = "ibm,opb-405gp", "ibm,opb";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0xef600000 0xef600000 0x00a00000>;
+ dcr-reg = <0x0a0 0x005>;
+ clock-frequency = <0>; /* Filled in by zImage */
+
+ UART0: serial@ef600300 {
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0xef600300 0x00000008>;
+ virtual-reg = <0xef600300>;
+ clock-frequency = <0>; /* Filled in by zImage */
+ current-speed = <9600>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <0x0 0x4>;
+ };
+
+ UART1: serial@ef600400 {
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0xef600400 0x00000008>;
+ virtual-reg = <0xef600400>;
+ clock-frequency = <0>; /* Filled in by zImage */
+ current-speed = <9600>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <0x1 0x4>;
+ };
+
+ IIC: i2c@ef600500 {
+ compatible = "ibm,iic-405gp", "ibm,iic";
+ reg = <0xef600500 0x00000011>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <0x2 0x4>;
+ };
+
+ GPIO: gpio@ef600700 {
+ compatible = "ibm,gpio-405gp";
+ reg = <0xef600700 0x00000020>;
+ };
+
+ EMAC: ethernet@ef600800 {
+ device_type = "network";
+ compatible = "ibm,emac-405gp", "ibm,emac";
+ interrupt-parent = <&UIC0>;
+ interrupts = <
+ 0xf 0x4 /* Ethernet */
+ 0x9 0x4 /* Ethernet Wake Up */>;
+ local-mac-address = [000000000000]; /* Filled in by zImage */
+ reg = <0xef600800 0x00000070>;
+ mal-device = <&MAL>;
+ mal-tx-channel = <0>;
+ mal-rx-channel = <0>;
+ cell-index = <0>;
+ max-frame-size = <1500>;
+ rx-fifo-size = <4096>;
+ tx-fifo-size = <2048>;
+ phy-mode = "rmii";
+ phy-map = <0x00000001>;
+ };
+
+ };
+
+ EBC0: ebc {
+ compatible = "ibm,ebc-405gp", "ibm,ebc";
+ dcr-reg = <0x012 0x002>;
+ #address-cells = <2>;
+ #size-cells = <1>;
+ /* The ranges property is supplied by the bootwrapper
+ * and is based on the firmware's configuration of the
+ * EBC bridge
+ */
+ clock-frequency = <0>; /* Filled in by zImage */
+
+ sram@0,0 {
+ reg = <0x00000000 0x00000000 0x00080000>;
+ };
+
+ flash@0,80000 {
+ compatible = "jedec-flash";
+ bank-width = <1>;
+ reg = <0x00000000 0x00080000 0x00080000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ partition@0 {
+ label = "OpenBIOS";
+ reg = <0x00000000 0x00080000>;
+ read-only;
+ };
+ };
+
+ nvram@1,0 {
+ /* NVRAM and RTC */
+ compatible = "ds1743-nvram";
+ #bytes = <0x2000>;
+ reg = <0x00000001 0x00000000 0x00002000>;
+ };
+
+ keyboard@2,0 {
+ compatible = "intel,82C42PC";
+ reg = <0x00000002 0x00000000 0x00000002>;
+ };
+
+ ir@3,0 {
+ compatible = "ti,TIR2000PAG";
+ reg = <0x00000003 0x00000000 0x00000010>;
+ };
+
+ fpga@7,0 {
+ compatible = "Walnut-FPGA";
+ reg = <0x00000007 0x00000000 0x00000010>;
+ virtual-reg = <0xf0300005>;
+ };
+ };
+
+ PCI0: pci@ec000000 {
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ compatible = "ibm,plb405gp-pci", "ibm,plb-pci";
+ primary;
+ reg = <0xeec00000 0x00000008 /* Config space access */
+ 0xeed80000 0x00000004 /* IACK */
+ 0xeed80000 0x00000004 /* Special cycle */
+ 0xef480000 0x00000040>; /* Internal registers */
+
+ /* Outbound ranges, one memory and one IO,
+ * later cannot be changed. Chip supports a second
+ * IO range but we don't use it for now
+ */
+ ranges = <0x02000000 0x00000000 0x80000000 0x80000000 0x00000000 0x20000000
+ 0x01000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>;
+
+ /* Inbound 2GB range starting at 0 */
+ dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x80000000>;
+
+ /* Walnut has all 4 IRQ pins tied together per slot */
+ interrupt-map-mask = <0xf800 0x0 0x0 0x0>;
+ interrupt-map = <
+ /* IDSEL 1 */
+ 0x800 0x0 0x0 0x0 &UIC0 0x1c 0x8
+
+ /* IDSEL 2 */
+ 0x1000 0x0 0x0 0x0 &UIC0 0x1d 0x8
+
+ /* IDSEL 3 */
+ 0x1800 0x0 0x0 0x0 &UIC0 0x1e 0x8
+
+ /* IDSEL 4 */
+ 0x2000 0x0 0x0 0x0 &UIC0 0x1f 0x8
+ >;
+ };
+ };
+
+ chosen {
+ linux,stdout-path = "/plb/opb/serial@ef600300";
+ };
+};