123 строки
2.9 KiB
Plaintext
123 строки
2.9 KiB
Plaintext
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/*
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* MPC5121E MDS Device Tree Source
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*
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* Copyright 2007 Freescale Semiconductor Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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/dts-v1/;
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/ {
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model = "mpc5121ads";
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compatible = "fsl,mpc5121ads";
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#address-cells = <1>;
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#size-cells = <1>;
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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PowerPC,5121@0 {
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device_type = "cpu";
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reg = <0>;
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d-cache-line-size = <0x20>; // 32 bytes
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i-cache-line-size = <0x20>; // 32 bytes
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d-cache-size = <0x8000>; // L1, 32K
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i-cache-size = <0x8000>; // L1, 32K
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timebase-frequency = <49500000>;// 49.5 MHz (csb/4)
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bus-frequency = <198000000>; // 198 MHz csb bus
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clock-frequency = <396000000>; // 396 MHz ppc core
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};
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};
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memory {
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device_type = "memory";
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reg = <0x00000000 0x10000000>; // 256MB at 0
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};
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localbus@80000020 {
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compatible = "fsl,mpc5121ads-localbus";
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#address-cells = <2>;
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#size-cells = <1>;
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reg = <0x80000020 0x40>;
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ranges = <0x0 0x0 0xfc000000 0x04000000
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0x2 0x0 0x82000000 0x00008000>;
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flash@0,0 {
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compatible = "cfi-flash";
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reg = <0 0x0 0x4000000>;
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bank-width = <4>;
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device-width = <1>;
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};
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board-control@2,0 {
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compatible = "fsl,mpc5121ads-cpld";
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reg = <0x2 0x0 0x8000>;
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};
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};
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soc@80000000 {
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compatible = "fsl,mpc5121-immr";
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#address-cells = <1>;
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#size-cells = <1>;
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#interrupt-cells = <2>;
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ranges = <0x0 0x80000000 0x400000>;
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reg = <0x80000000 0x400000>;
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bus-frequency = <66000000>; // 66 MHz ips bus
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// IPIC
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// interrupts cell = <intr #, sense>
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// sense values match linux IORESOURCE_IRQ_* defines:
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// sense == 8: Level, low assertion
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// sense == 2: Edge, high-to-low change
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//
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ipic: interrupt-controller@c00 {
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compatible = "fsl,mpc5121-ipic", "fsl,ipic";
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interrupt-controller;
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#address-cells = <0>;
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#interrupt-cells = <2>;
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reg = <0xc00 0x100>;
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};
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// 512x PSCs are not 52xx PSCs compatible
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// PSC3 serial port A aka ttyPSC0
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serial@11300 {
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device_type = "serial";
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compatible = "fsl,mpc5121-psc-uart";
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// Logical port assignment needed until driver
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// learns to use aliases
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port-number = <0>;
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cell-index = <3>;
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reg = <0x11300 0x100>;
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interrupts = <0x28 0x8>; // actually the fifo irq
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interrupt-parent = < &ipic >;
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};
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// PSC4 serial port B aka ttyPSC1
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serial@11400 {
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device_type = "serial";
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compatible = "fsl,mpc5121-psc-uart";
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// Logical port assignment needed until driver
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// learns to use aliases
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port-number = <1>;
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cell-index = <4>;
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reg = <0x11400 0x100>;
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interrupts = <0x28 0x8>; // actually the fifo irq
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interrupt-parent = < &ipic >;
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};
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pscsfifo@11f00 {
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compatible = "fsl,mpc5121-psc-fifo";
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reg = <0x11f00 0x100>;
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interrupts = <0x28 0x8>;
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interrupt-parent = < &ipic >;
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};
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};
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};
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