arch/powerpc/boot/dts/walnut.dts

   1 /*
   2  * Device Tree Source for IBM Walnut
   3  *
   4  * Copyright 2007 IBM Corp.
   5  * Josh Boyer <jwboyer@linux.vnet.ibm.com>
   6  *
   7  * This file is licensed under the terms of the GNU General Public
   8  * License version 2.  This program is licensed "as is" without
   9  * any warranty of any kind, whether express or implied.
  10  */
  11
  12 / {
  13         #address-cells = <1>;
  14         #size-cells = <1>;
  15         model = "ibm,walnut";
  16         compatible = "ibm,walnut";
  17         dcr-parent = <&/cpus/PowerPC,405GP@0>;
  18
  19         cpus {
  20                 #address-cells = <1>;
  21                 #size-cells = <0>;
  22
  23                 PowerPC,405GP@0 {
  24                         device_type = "cpu";
  25                         reg = <0>;
  26                         clock-frequency = <bebc200>; /* Filled in by zImage */
  27                         timebase-frequency = <0>; /* Filled in by zImage */
  28                         i-cache-line-size = <20>;
  29                         d-cache-line-size = <20>;
  30                         i-cache-size = <4000>;
  31                         d-cache-size = <4000>;
  32                         dcr-controller;
  33                         dcr-access-method = "native";
  34                 };
  35         };
  36
  37         memory {
  38                 device_type = "memory";
  39                 reg = <0 0>; /* Filled in by zImage */
  40         };
  41
  42         UIC0: interrupt-controller {
  43                 compatible = "ibm,uic";
  44                 interrupt-controller;
  45                 cell-index = <0>;
  46                 dcr-reg = <0c0 9>;
  47                 #address-cells = <0>;
  48                 #size-cells = <0>;
  49                 #interrupt-cells = <2>;
  50         };
  51
  52         plb {
  53                 compatible = "ibm,plb3";
  54                 #address-cells = <1>;
  55                 #size-cells = <1>;
  56                 ranges;
  57                 clock-frequency = <0>; /* Filled in by zImage */
  58
  59                 SDRAM0: memory-controller {
  60                         compatible = "ibm,sdram-405gp";
  61                         dcr-reg = <010 2>;
  62                 };
  63
  64                 MAL: mcmal {
  65                         compatible = "ibm,mcmal-405gp", "ibm,mcmal";
  66                         dcr-reg = <180 62>;
  67                         num-tx-chans = <2>;
  68                         num-rx-chans = <1>;
  69                         interrupt-parent = <&UIC0>;
  70                         interrupts = <a 4 b 4 c 4 d 4 e 4>;
  71                 };
  72
  73                 POB0: opb {
  74                         compatible = "ibm,opb-405gp", "ibm,opb";
  75                         #address-cells = <1>;
  76                         #size-cells = <1>;
  77                         ranges = <ef600000 ef600000 a00000>;
  78                         dcr-reg = <0a0 5>;
  79                         clock-frequency = <0>; /* Filled in by zImage */
  80
  81                         UART0: serial@ef600300 {
  82                                 device_type = "serial";
  83                                 compatible = "ns16550";
  84                                 reg = <ef600300 8>;
  85                                 virtual-reg = <ef600300>;
  86                                 clock-frequency = <0>; /* Filled in by zImage */
  87                                 current-speed = <2580>;
  88                                 interrupt-parent = <&UIC0>;
  89                                 interrupts = <0 4>;
  90                         };
  91
  92                         UART1: serial@ef600400 {
  93                                 device_type = "serial";
  94                                 compatible = "ns16550";
  95                                 reg = <ef600400 8>;
  96                                 virtual-reg = <ef600400>;
  97                                 clock-frequency = <0>; /* Filled in by zImage */
  98                                 current-speed = <2580>;
  99                                 interrupt-parent = <&UIC0>;
 100                                 interrupts = <1 4>;
 101                         };
 102
 103                         IIC: i2c@ef600500 {
 104                                 compatible = "ibm,iic-405gp", "ibm,iic";
 105                                 reg = <ef600500 11>;
 106                                 interrupt-parent = <&UIC0>;
 107                                 interrupts = <2 4>;
 108                         };
 109
 110                         GPIO: gpio@ef600700 {
 111                                 compatible = "ibm,gpio-405gp";
 112                                 reg = <ef600700 20>;
 113                         };
 114
 115                         EMAC: ethernet@ef600800 {
 116                                 linux,network-index = <0>;
 117                                 device_type = "network";
 118                                 compatible = "ibm,emac-405gp", "ibm,emac";
 119                                 interrupt-parent = <&UIC0>;
 120                                 interrupts = <9 4 f 4>;
 121                                 reg = <ef600800 70>;
 122                                 mal-device = <&MAL>;
 123                                 mal-tx-channel = <0 1>;
 124                                 mal-rx-channel = <0>;
 125                                 cell-index = <0>;
 126                                 max-frame-size = <5dc>;
 127                                 rx-fifo-size = <1000>;
 128                                 tx-fifo-size = <800>;
 129                                 phy-mode = "rmii";
 130                                 phy-map = <00000001>;
 131                         };
 132
 133                 };
 134
 135                 EBC0: ebc {
 136                         compatible = "ibm,ebc-405gp", "ibm,ebc";
 137                         dcr-reg = <012 2>;
 138                         #address-cells = <2>;
 139                         #size-cells = <1>;
 140                         /* The ranges property is supplied by the bootwrapper
 141                          * and is based on the firmware's configuration of the
 142                          * EBC bridge
 143                          */
 144                         clock-frequency = <0>; /* Filled in by zImage */
 145
 146                         sram@0,0 {
 147                                 reg = <0 0 80000>;
 148                         };
 149
 150                         flash@0,80000 {
 151                                 compatible = "jedec-flash";
 152                                 bank-width = <1>;
 153                                 reg = <0 80000 80000>;
 154                                 #address-cells = <1>;
 155                                 #size-cells = <1>;
 156                                 partition@0 {
 157                                         label = "OpenBIOS";
 158                                         reg = <0 80000>;
 159                                         read-only;
 160                                 };
 161                         };
 162
 163                         ds1743@1,0 {
 164                                 /* NVRAM and RTC */
 165                                 compatible = "ds1743";
 166                                 reg = <1 0 2000>;
 167                         };
 168
 169                         keyboard@2,0 {
 170                                 compatible = "intel,82C42PC";
 171                                 reg = <2 0 2>;
 172                         };
 173
 174                         ir@3,0 {
 175                                 compatible = "ti,TIR2000PAG";
 176                                 reg = <3 0 10>;
 177                         };
 178
 179                         fpga@7,0 {
 180                                 compatible = "Walnut-FPGA";
 181                                 reg = <7 0 10>;
 182                                 virtual-reg = <f0300005>;
 183                         };
 184                 };
 185         };
 186
 187         chosen {
 188                 linux,stdout-path = "/plb/opb/serial@ef600300";
 189         };
 190 };