I'm guessing by = device tree you mean the .dts file? I'm using a modified version of t= he mpc8313erdb.dts with minor changes (to the local bus only). Here i= s a copy of it.

/*
* MPC8313E RDB Device Tree Source
&nb= sp;*
* Copyright 2005, 2006, 2007 Freescale Semiconductor Inc.
= *
* This program is free software; you can redistribute = ; it and/or modify it
* under the terms of the GNU Gen= eral Public License as published by the
* Free Software Foun= dation; either version 2 of the License, or (at your
*= option) any later version.
*/

/dts-v1/;

/ {
&nbs= p;   model =3D "MPC8313ERDB";
    compatible = =3D "MPC8313ERDB", "MPC831xRDB", "MPC83xxRDB";
    #addre= ss-cells =3D <1>;
    #size-cells =3D <1>;
    aliases {
        = ethernet0 =3D &enet0;
        ethernet= 1 =3D &enet1;
        serial0 =3D &= ;serial0;
        serial1 =3D &serial1= ;
        pci0 =3D &pci0;
&nb= sp; };

    cpus {
    &= nbsp; #address-cells =3D <1>;
      = ; #size-cells =3D <0>;

      &n= bsp; PowerPC,8313@0 {
          = device_type =3D "cpu";
        &nbs= p;   reg =3D <0x0>;
       = ;     d-cache-line-size =3D <32>;
   = ;         i-cache-line-size =3D <32>;            d-cache-size =3D= <16384>;
           = i-cache-size =3D <16384>;
        &= nbsp;   timebase-frequency =3D <0>;    // fr= om bootloader
            b= us-frequency =3D <0>;        // from bo= otloader
            clock-= frequency =3D <0>;        // from bootl= oader
        };
    };<= br>
    memory {
       = device_type =3D "memory";
        reg =3D= <0x00000000 0x08000000>;    // 128MB at 0
&n= bsp; };

    localbus@e0005000 {
  =     #address-cells =3D <2>;
  &nbs= p;     #size-cells =3D <1>;
    &nbs= p;   compatible =3D "fsl,mpc8313-elbc", "fsl,elbc", "simple-bus";=
        reg =3D <0xe0005000 0x1000>= ;
        interrupts =3D <77 0x8>;        interrupt-parent =3D <&ipic&= gt;;

        // CS0 and CS1 are swappe= d when
        // booting from nand, but t= he
        // addresses are the same.
/= /        ranges =3D <0x0 0x0 0xfe000000 0x= 00800000
//            = ;      0x1 0x0 0xe2800000 0x00008000
// &n= bsp;            &nb= sp; 0x2 0x0 0xf0000000 0x00020000
//      = ;           0x3 0x0 0xfa= 000000 0x00008000>;
        ranges =3D = <0x0 0x0 0xe2800000 0x00008000>;

//    &n= bsp; flash@0,0 {
//        &nb= sp; #address-cells =3D <1>;
//      = ;     #size-cells =3D <1>;
//  &nbs= p;         compatible =3D "cfi-flash";
//&= nbsp;           reg =3D <0x0 0x0= 0x800000>;
//           = ; bank-width =3D <2>;
//        &nbs= p;   device-width =3D <1>;
//    &n= bsp; };

//        nand@1,0 {
=         nand@0,0 {
    &nbs= p;       #address-cells =3D <1>;
&n= bsp;         #size-cells =3D <1>;=
            compatible =3D= "fsl,mpc8313-fcm-nand",
        &nb= sp;            = ; "fsl,elbc-fcm-nand";
//        &nb= sp;   reg =3D <0x1 0x0 0x2000>;
    = ;       reg =3D <0x0 0x0 0x2000>;

&nb= sp;           u-boot@0 {
&= nbsp;             reg = =3D <0x0 0x100000>;
        &n= bsp;     read-only;
      =     };

        &= nbsp;   kernel@100000 {
        =         reg =3D <0x100000 0x300000>;            };

&= nbsp;         fs@400000 {
&nbs= p;             reg =3D &= lt;0x400000 0x1c00000>;
        &= nbsp; };
        };
  &= nbsp; };

    soc8313@e0000000 {
   =     #address-cells =3D <1>;
    &nb= sp;   #size-cells =3D <1>;
    &nbs= p; device_type =3D "soc";
        co= mpatible =3D "simple-bus";
        ranges = =3D <0x0 0xe0000000 0x00100000>;
      &n= bsp; reg =3D <0xe0000000 0x00000200>;
    &nb= sp; bus-frequency =3D <0>;

    &nbs= p; wdt@200 {
          &nb= sp; device_type =3D "watchdog";
        &n= bsp;   compatible =3D "mpc83xx_wdt";
    =        reg =3D <0x200 0x100>;
  = ;     };

        = i2c@3000 {
            #add= ress-cells =3D <1>;
        &n= bsp; #size-cells =3D <0>;
      &nb= sp;     cell-index =3D <0>;
    &nbs= p;       compatible =3D "fsl-i2c";
  =         reg =3D <0x3000 0x100>;<= br>            interrupts =3D = <14 0x8>;
           = interrupt-parent =3D <&ipic>;
      =     dfsrr;
        &= nbsp;   rtc@68 {
        &= nbsp;     compatible =3D "dallas,ds1339";
&nb= sp;             reg =3D = <0x68>;
            }= ;
        };

    &nb= sp;   i2c@3100 {
        &= nbsp; #address-cells =3D <1>;
      = ;     #size-cells =3D <0>;
   =         cell-index =3D <1>;
&= nbsp;         compatible =3D "fsl-i2c";=
            reg =3D <0x= 3100 0x100>;
           = interrupts =3D <15 0x8>;
        &n= bsp;   interrupt-parent =3D <&ipic>;
  &nb= sp;         dfsrr;
    &nbs= p;   };

        spi@7000 {            cell-index =3D &= lt;0>;
            compa= tible =3D "fsl,spi";
          &= nbsp; reg =3D <0x7000 0x1000>;
      &nbs= p;     interrupts =3D <16 0x8>;
    =         interrupt-parent =3D <&ipic>= ;;
            mode =3D "cp= u";
        };

    &= nbsp;   /* phy type (ULPI, UTMI, UTMI_WIDE, SERIAL) */
&= nbsp;     usb@23000 {
    &nbs= p;     compatible =3D "fsl-usb2-dr";
  &n= bsp;         reg =3D <0x23000 0x1000>;<= br>            #address-cells = =3D <1>;
            = #size-cells =3D <0>;
        &= nbsp; interrupt-parent =3D <&ipic>;
    &= nbsp;       interrupts =3D <38 0x8>;
&nbs= p;           phy_type =3D "utmi_wid= e";
        };

    &= nbsp;   mdio@24520 {
        &nb= sp;   #address-cells =3D <1>;
    &= nbsp;     #size-cells =3D <0>;
  &n= bsp;         compatible =3D "fsl,gianfar-mdio= ";
            reg =3D <= 0x24520 0x20>;
          &nbs= p; phy1: ethernet-phy@1 {
        &n= bsp;     interrupt-parent =3D <&ipic>;
&n= bsp;               i= nterrupts =3D <19 0x8>;
        &nbs= p;       reg =3D <0x1>;
   = ;             device_type =3D = "ethernet-phy";
           = };
            phy4: ether= net-phy@4 {
            &nb= sp;   interrupt-parent =3D <&ipic>;
  &nbs= p;             interrupts =3D = <20 0x8>;
           =     reg =3D <0x4>;
      =         device_type =3D "ethernet-phy"= ;
            };
&= nbsp;     };

      &nb= sp; enet0: ethernet@24000 {
        =    cell-index =3D <0>;
      &n= bsp;     device_type =3D "network";
    &n= bsp;       model =3D "eTSEC";
   = ;         compatible =3D "gianfar";
=            reg =3D <0x24000 0x10= 00>;
            local-m= ac-address =3D [ 00 00 00 00 00 00 ];
      &nb= sp;     interrupts =3D <37 0x8 36 0x8 35 0x8>;
&nbs= p;           interrupt-parent =3D &= lt;&ipic>;
          &nbs= p; phy-handle =3D < &phy1 >;
      &n= bsp; };

        enet1: ethernet@25000 = {
            cell-index = =3D <1>;
            = device_type =3D "network";
        &= nbsp; model =3D "eTSEC";
        &nb= sp;   compatible =3D "gianfar";
      = ;     reg =3D <0x25000 0x1000>;
  &= nbsp;         local-mac-address =3D [ 00 00 0= 0 00 00 00 ];
            i= nterrupts =3D <34 0x8 33 0x8 32 0x8>;
    &nb= sp;     interrupt-parent =3D <&ipic>;
&nb= sp;           phy-handle =3D < &= amp;phy4 >;
        };

&nb= sp;     serial0: serial@4500 {
    &= nbsp;       cell-index =3D <0>;
&nb= sp;         device_type =3D "serial";            compatible =3D "= ns16550";
            reg = =3D <0x4500 0x100>;
        &n= bsp; clock-frequency =3D <0>;
      = ;     interrupts =3D <9 0x8>;
  &nb= sp;         interrupt-parent =3D <&ipi= c>;
        };

   = ;     serial1: serial@4600 {
    &nb= sp;     cell-index =3D <1>;
   = ;         device_type =3D "serial";
=            compatible =3D "ns16550"= ;
            reg =3D <0= x4600 0x100>;
           = ; clock-frequency =3D <0>;
        &= nbsp;   interrupts =3D <10 0x8>;
    &nbs= p;       interrupt-parent =3D <&ipic>;        };

    =    crypto@30000 {
        =    device_type =3D "crypto";
      &n= bsp;     model =3D "SEC2";
      = ;     compatible =3D "talitos";
    =         reg =3D <0x30000 0x7000>;
&n= bsp;           interrupts =3D <1= 1 0x8>;
            inte= rrupt-parent =3D <&ipic>;
       = ;     /* Rev. 2.2 */
       = ;     num-channels =3D <1>;
    &nbs= p;       channel-fifo-len =3D <24>;
= ;           exec-units-mask =3D <= ;0x0000004c>;
           = ; descriptor-types-mask =3D <0x0122003f>;
    = ;   };

        /* IPIC
&n= bsp;       * interrupts cell =3D <intr #,= sense>
        * sense values ma= tch linux IORESOURCE_IRQ_* defines:
       = ; * sense =3D=3D 8: Level, low assertion
    =    * sense =3D=3D 2: Edge, high-to-low change
&nbs= p;     */
      &nbs= p; ipic: pic@700 {
          &nb= sp; interrupt-controller;
        &n= bsp; #address-cells =3D <0>;
      =     #interrupt-cells =3D <2>;
  &n= bsp;         reg =3D <0x700 0x100>;
=             device_type =3D "i= pic";
        };
    };<= br>
    pci0: pci@e0008500 {
    =    cell-index =3D <1>;
      &n= bsp; interrupt-map-mask =3D <0xf800 0x0 0x0 0x7>;
  &nbs= p;     interrupt-map =3D <

    &nbs= p;           /* IDSEL 0x0E -mini PC= I */
            &nbs= p; 0x7000 0x0 0x0 0x1 &ipic 18 0x8
    &n= bsp;           0x7000 0x0 0x0= 0x2 &ipic 18 0x8
          =     0x7000 0x0 0x0 0x3 &ipic 18 0x8
&nbs= p;               &nb= sp;0x7000 0x0 0x0 0x4 &ipic 18 0x8

    &nbs= p;         /* IDSEL 0x0F - PCI slot */<= br>              &nb= sp; 0x7800 0x0 0x0 0x1 &ipic 17 0x8
    &= nbsp;         0x7800 0x0 0x0 0x2 = &ipic 18 0x8
           = ;     0x7800 0x0 0x0 0x3 &ipic 17 0x8
&nb= sp;             0x= 7800 0x0 0x0 0x4 &ipic 18 0x8>;
      &n= bsp; interrupt-parent =3D <&ipic>;
    &n= bsp; interrupts =3D <66 0x8>;
      = ; bus-range =3D <0x0 0x0>;
      &n= bsp; ranges =3D <0x02000000 0x0 0x90000000 0x90000000 0x0 0x10000000
=             0x42000000 = 0x0 0x80000000 0x80000000 0x0 0x10000000
      =     0x01000000 0x0 0x00000000 0xe2000000 0x0 0= x00100000>;
        clock-frequency =3D= <66666666>;
        #interrupt-cell= s =3D <1>;
        #size-cells =3D &= lt;2>;
        #address-cells =3D <3= >;
        reg =3D <0xe0008500 0x100= >;
        compatible =3D "fsl,mpc8349-= pci";
        device_type =3D "pci";
&n= bsp;   };
};