arch/powerpc/boot/dts/mpc5121ads.dts

   1 /*
   2  * MPC5121E MDS Device Tree Source
   3  *
   4  * Copyright 2007 Freescale Semiconductor Inc.
   5  *
   6  * This program is free software; you can redistribute  it and/or modify it
   7  * under  the terms of  the GNU General  Public License as published by the
   8  * Free Software Foundation;  either version 2 of the  License, or (at your
   9  * option) any later version.
  10  */
  11
  12 /dts-v1/;
  13
  14 / {
  15         model = "mpc5121ads";
  16         compatible = "fsl,mpc5121ads";
  17         #address-cells = <1>;
  18         #size-cells = <1>;
  19
  20         cpus {
  21                 #address-cells = <1>;
  22                 #size-cells = <0>;
  23
  24                 PowerPC,5121@0 {
  25                         device_type = "cpu";
  26                         reg = <0>;
  27                         d-cache-line-size = <0x20>;     // 32 bytes
  28                         i-cache-line-size = <0x20>;     // 32 bytes
  29                         d-cache-size = <0x8000>;        // L1, 32K
  30                         i-cache-size = <0x8000>;        // L1, 32K
  31                         timebase-frequency = <49500000>;// 49.5 MHz (csb/4)
  32                         bus-frequency = <198000000>;    // 198 MHz csb bus
  33                         clock-frequency = <396000000>;  // 396 MHz ppc core
  34                 };
  35         };
  36
  37         memory {
  38                 device_type = "memory";
  39                 reg = <0x00000000 0x10000000>;  // 256MB at 0
  40         };
  41
  42         localbus@80000020 {
  43                 compatible = "fsl,mpc5121ads-localbus";
  44                 #address-cells = <2>;
  45                 #size-cells = <1>;
  46                 reg = <0x80000020 0x40>;
  47
  48                 ranges = <0x0 0x0 0xfc000000 0x04000000
  49                           0x2 0x0 0x82000000 0x00008000>;
  50
  51                 flash@0,0 {
  52                         compatible = "cfi-flash";
  53                         reg = <0 0x0 0x4000000>;
  54                         bank-width = <4>;
  55                         device-width = <1>;
  56                 };
  57
  58                 board-control@2,0 {
  59                         compatible = "fsl,mpc5121ads-cpld";
  60                         reg = <0x2 0x0 0x8000>;
  61                 };
  62         };
  63
  64         soc@80000000 {
  65                 compatible = "fsl,mpc5121-immr";
  66                 #address-cells = <1>;
  67                 #size-cells = <1>;
  68                 #interrupt-cells = <2>;
  69                 ranges = <0x0 0x80000000 0x400000>;
  70                 reg = <0x80000000 0x400000>;
  71                 bus-frequency = <66000000>;     // 66 MHz ips bus
  72
  73
  74                 // IPIC
  75                 // interrupts cell = <intr #, sense>
  76                 // sense values match linux IORESOURCE_IRQ_* defines:
  77                 // sense == 8: Level, low assertion
  78                 // sense == 2: Edge, high-to-low change
  79                 //
  80                 ipic: interrupt-controller@c00 {
  81                         compatible = "fsl,mpc5121-ipic", "fsl,ipic";
  82                         interrupt-controller;
  83                         #address-cells = <0>;
  84                         #interrupt-cells = <2>;
  85                         reg = <0xc00 0x100>;
  86                 };
  87
  88                 // 512x PSCs are not 52xx PSCs compatible
  89                 // PSC3 serial port A aka ttyPSC0
  90                 serial@11300 {
  91                         device_type = "serial";
  92                         compatible = "fsl,mpc5121-psc-uart";
  93                         // Logical port assignment needed until driver
  94                         // learns to use aliases
  95                         port-number = <0>;
  96                         cell-index = <3>;
  97                         reg = <0x11300 0x100>;
  98                         interrupts = <0x28 0x8>; // actually the fifo irq
  99                         interrupt-parent = < &ipic >;
 100                 };
 101
 102                 // PSC4 serial port B aka ttyPSC1
 103                 serial@11400 {
 104                         device_type = "serial";
 105                         compatible = "fsl,mpc5121-psc-uart";
 106                         // Logical port assignment needed until driver
 107                         // learns to use aliases
 108                         port-number = <1>;
 109                         cell-index = <4>;
 110                         reg = <0x11400 0x100>;
 111                         interrupts = <0x28 0x8>; // actually the fifo irq
 112                         interrupt-parent = < &ipic >;
 113                 };
 114
 115                 pscsfifo@11f00 {
 116                         compatible = "fsl,mpc5121-psc-fifo";
 117                         reg = <0x11f00 0x100>;
 118                         interrupts = <0x28 0x8>;
 119                         interrupt-parent = < &ipic >;
 120                 };
 121         };
 122 };