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434 lines
10 KiB
Plaintext
434 lines
10 KiB
Plaintext
/*
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* Device Tree Source for Meraki MR24 (Ikarem)
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*
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* Copyright (C) 2016 Chris Blake <chrisrblake93@gmail.com>
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*
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* Based on Cisco Meraki GPL Release r23-20150601 MR24 DTS
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without
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* any warranty of any kind, whether express or implied.
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*/
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/dts-v1/;
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/ {
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#address-cells = <2>;
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#size-cells = <1>;
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model = "Meraki MR24 Access Point";
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compatible = "meraki,ikarem";
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dcr-parent = <&{/cpus/cpu@0}>;
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aliases {
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ethernet0 = &EMAC0;
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serial0 = &UART0;
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};
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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cpu@0 {
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device_type = "cpu";
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model = "PowerPC,apm821xx";
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reg = <0x00000000>;
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clock-frequency = <0>; /* Filled in by U-Boot */
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timebase-frequency = <0>; /* Filled in by U-Boot */
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i-cache-line-size = <32>;
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d-cache-line-size = <32>;
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i-cache-size = <32768>;
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d-cache-size = <32768>;
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dcr-controller;
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dcr-access-method = "native";
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next-level-cache = <&L2C0>;
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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 0x00000000 0x00000000>; /* Filled in by U-Boot */
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};
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UIC0: interrupt-controller0 {
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compatible = "ibm,uic";
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interrupt-controller;
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cell-index = <0>;
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dcr-reg = <0x0c0 0x009>;
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#address-cells = <0>;
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#size-cells = <0>;
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#interrupt-cells = <2>;
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};
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UIC1: interrupt-controller1 {
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compatible = "ibm,uic";
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interrupt-controller;
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cell-index = <1>;
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dcr-reg = <0x0d0 0x009>;
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#address-cells = <0>;
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#size-cells = <0>;
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#interrupt-cells = <2>;
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interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
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interrupt-parent = <&UIC0>;
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};
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UIC2: interrupt-controller2 {
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compatible = "ibm,uic";
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interrupt-controller;
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cell-index = <2>;
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dcr-reg = <0x0e0 0x009>;
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#address-cells = <0>;
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#size-cells = <0>;
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#interrupt-cells = <2>;
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interrupts = <0xa 0x4 0xb 0x4>; /* cascade */
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interrupt-parent = <&UIC0>;
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};
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UIC3: interrupt-controller3 {
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compatible = "ibm,uic";
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interrupt-controller;
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cell-index = <3>;
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dcr-reg = <0x0f0 0x009>;
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#address-cells = <0>;
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#size-cells = <0>;
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#interrupt-cells = <2>;
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interrupts = <0x10 0x4 0x11 0x4>; /* cascade */
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interrupt-parent = <&UIC0>;
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};
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/* KPH check the following */
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OCM: ocm@400040000 {
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compatible = "ibm,ocm";
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status = "okay";
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cell-index = <1>;
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/* configured in U-Boot */
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reg = <4 0x00040000 0x8000>; /* 32K */
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};
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SDR0: sdr {
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compatible = "ibm,sdr-apm821xx";
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dcr-reg = <0x00e 0x002>;
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};
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CPR0: cpr {
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compatible = "ibm,cpr-apm821xx";
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dcr-reg = <0x00c 0x002>;
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};
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L2C0: l2c {
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compatible = "ibm,l2-cache-apm82181", "ibm,l2-cache";
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dcr-reg = <0x020 0x008
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0x030 0x008>;
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cache-line-size = <32>;
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cache-size = <262144>;
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interrupt-parent = <&UIC1>;
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interrupts = <11 1>;
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};
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/* kph check the below */
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CPM0: cpm {
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compatible = "ibm,cpm-apm821xx", "ibm,cpm";
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cell-index = <0>;
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dcr-reg = <0x160 0x003>;
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pm-cpu = <0x02000000>;
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pm-doze = <0x302570F0>;
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pm-nap = <0x302570F0>;
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pm-deepsleep = <0x302570F0>;
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pm-iic-device = <&IIC0>;
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pm-emac-device = <&EMAC0>;
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};
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plb {
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compatible = "ibm,plb4";
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#address-cells = <2>;
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#size-cells = <1>;
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ranges;
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clock-frequency = <0>; /* Filled in by U-Boot */
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SDRAM0: sdram {
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compatible = "ibm,sdram-apm821xx";
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dcr-reg = <0x010 0x002>;
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};
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/* kph check the below */
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CRYPTO: crypto@180000 {
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compatible = "amcc,ppc460ex-crypto", "amcc,ppc4xx-crypto";
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reg = <4 0x00180000 0x80400>;
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interrupt-parent = <&UIC0>;
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interrupts = <0x1d 0x4>;
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};
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/* kph check the below */
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PKA: pka@114000 {
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device_type = "pka";
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compatible = "ppc4xx-pka", "amcc,ppc4xx-pka";
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reg = <4 0x00114000 0x4000>;
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interrupt-parent = <&UIC0>;
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interrupts = <0x14 0x2>;
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};
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/* kph check the below */
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TRNG: trng@110000 {
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compatible = "ppc4xx-trng", "amcc,ppc460ex-rng";
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reg = <4 0x00110000 0x50>;
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interrupt-parent = <&UIC1>;
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interrupts = <0x3 0x2>;
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};
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MAL0: mcmal {
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compatible = "ibm,mcmal2";
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descriptor-memory = "ocm";
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dcr-reg = <0x180 0x062>;
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num-tx-chans = <1>;
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num-rx-chans = <1>;
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#address-cells = <0>;
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#size-cells = <0>;
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interrupt-parent = <&UIC2>;
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interrupts = < /*TXEOB*/ 0x6 0x4
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/*RXEOB*/ 0x7 0x4
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/*SERR*/ 0x3 0x4
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/*TXDE*/ 0x4 0x4
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/*RXDE*/ 0x5 0x4>;
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};
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POB0: opb {
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compatible = "ibm,opb";
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0xb0000000 0x00000004 0xb0000000 0x50000000>;
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clock-frequency = <0>; /* Filled in by U-Boot */
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EBC0: ebc {
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compatible = "ibm,ebc";
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dcr-reg = <0x012 0x002>;
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#address-cells = <2>;
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#size-cells = <1>;
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clock-frequency = <0>; /* Filled in by U-Boot */
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/* ranges property is supplied by U-Boot */
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ranges = < 0x00000003 0x00000000 0xe0000000 0x8000000>;
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interrupts = <0x6 0x4>;
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interrupt-parent = <&UIC1>;
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/* Ikarem has 32MB of NAND */
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ndfc@1,0 {
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compatible = "ibm,ndfc";
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reg = <00000003 00000000 00000400>;
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ccr = <0x00001000>;
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bank-settings = <0x80002222>;
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#address-cells = <1>;
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#size-cells = <1>;
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/* 32 MiB NAND Flash */
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nand {
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "u-boot";
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reg = <0x00000000 0x00170000>;
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read-only;
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};
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partition@170000 {
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label = "oops";
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reg = <0x00170000 0x00010000>;
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};
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partition@180000 {
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label = "ubi";
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reg = <0x00180000 0x01e80000>;
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};
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};
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};
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};
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UART0: serial@ef600400 {
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device_type = "serial";
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compatible = "ns16550";
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reg = <0xef600400 0x00000008>;
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virtual-reg = <0xef600400>;
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clock-frequency = <0>; /* Filled in by U-Boot */
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current-speed = <0>; /* Filled in by U-Boot */
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interrupt-parent = <&UIC0>;
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interrupts = <0x1 0x4>;
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};
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GPIO0: gpio@ef600b00 {
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compatible = "ibm,ppc4xx-gpio";
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reg = <0xef600b00 0x00000048>;
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#gpio-cells = <2>;
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gpio-controller;
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};
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gpio-leds {
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compatible = "gpio-leds";
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power-green {
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label = "mr24:green:power";
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gpios = <&GPIO0 18 1>;
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};
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power-orange {
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label = "mr24:orange:power";
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gpios = <&GPIO0 19 1>;
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};
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lan {
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label = "mr24:green:wan";
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gpios = <&GPIO0 17 1>;
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};
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ssi-0 {
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label = "mr24:green:wifi1";
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gpios = <&GPIO0 23 1>;
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};
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ssi-1 {
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label = "mr24:green:wifi2";
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gpios = <&GPIO0 22 1>;
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};
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ssi-2 {
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label = "mr24:green:wifi3";
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gpios = <&GPIO0 21 1>;
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};
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ssi-3 {
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label = "mr24:green:wifi4";
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gpios = <&GPIO0 20 1>;
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};
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};
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gpio_keys_polled {
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compatible = "gpio-keys-polled";
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#address-cells = <1>;
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#size-cells = <0>;
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poll-interval = <60>; /* 3 * 20 = 60ms */
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autorepeat;
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button@1 {
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label = "Reset button";
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linux,code = <0x198>; /* KEY_RESTART */
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gpios = <&GPIO0 16 1>;
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};
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};
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IIC0: i2c@ef600700 {
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compatible = "ibm,iic";
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reg = <0xef600700 0x00000014>;
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interrupt-parent = <&UIC0>;
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interrupts = <0x2 0x4>;
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#address-cells = <1>;
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#size-cells = <0>;
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/* Boot ROM is at 0x52-0x53, do not touch */
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/* Unknown chip at 0x6e, not sure what it is */
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};
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IIC1: i2c@ef600800 {
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compatible = "ibm,iic";
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reg = <0xef600800 0x00000014>;
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interrupt-parent = <&UIC0>;
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interrupts = <0x3 0x4>;
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};
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RGMII0: emac-rgmii@ef601500 {
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compatible = "ibm,rgmii";
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reg = <0xef601500 0x00000008>;
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has-mdio;
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};
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TAH0: emac-tah@ef601350 {
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compatible = "ibm,tah";
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reg = <0xef601350 0x00000030>;
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};
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EMAC0: ethernet@ef600c00 {
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device_type = "network";
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compatible = "ibm,emac-apm821xx", "ibm,emac4sync";
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interrupt-parent = <&EMAC0>;
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interrupts = <0x0 0x1>;
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#interrupt-cells = <1>;
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#address-cells = <0>;
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#size-cells = <0>;
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interrupt-map = </*Status*/ 0x0 &UIC2 0x10 0x4
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/*Wake*/ 0x1 &UIC2 0x14 0x4>;
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reg = <0xef600c00 0x000000c4>;
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local-mac-address = [000000000000]; /* Filled in by U-Boot */
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mal-device = <&MAL0>;
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mal-tx-channel = <0>;
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mal-rx-channel = <0>;
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cell-index = <0>;
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max-frame-size = <9000>;
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rx-fifo-size = <16384>;
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tx-fifo-size = <2048>;
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phy-mode = "rgmii";
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phy-map = <0x00000000>;
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rgmii-device = <&RGMII0>;
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rgmii-channel = <0>;
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tah-device = <&TAH0>;
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tah-channel = <0>;
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has-inverted-stacr-oc;
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has-new-stacr-staopc;
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};
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};
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PCIE0: pciex@d00000000 {
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device_type = "pci";
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#interrupt-cells = <1>;
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#size-cells = <2>;
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#address-cells = <3>;
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compatible = "ibm,plb-pciex-apm821xx", "ibm,plb-pciex";
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primary;
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port = <0x0>; /* port number */
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reg = <0x0000000d 0x00000000 0x20000000 /* Config space access */
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0x0000000c 0x08010000 0x00001000>; /* Registers */
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dcr-reg = <0x100 0x020>;
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sdr-base = <0x300>;
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/* Outbound ranges, one memory and one IO,
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* later cannot be changed
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*/
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ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x00000000 0x00000000 0x80000000
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0x02000000 0x00000000 0x00000000 0x0000000f 0x00000000 0x00000000 0x00100000
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0x01000000 0x00000000 0x00000000 0x0000000f 0x80000000 0x00000000 0x00010000>;
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/* Inbound 2GB range starting at 0 */
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dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
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/* This drives busses 40 to 0x7f */
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bus-range = <0x40 0x7f>;
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/* Legacy interrupts (note the weird polarity, the bridge seems
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* to invert PCIe legacy interrupts).
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* We are de-swizzling here because the numbers are actually for
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* port of the root complex virtual P2P bridge. But I want
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* to avoid putting a node for it in the tree, so the numbers
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* below are basically de-swizzled numbers.
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* The real slot is on idsel 0, so the swizzling is 1:1
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*/
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interrupt-map-mask = <0x0 0x0 0x0 0x7>;
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interrupt-map = <
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0x0 0x0 0x0 0x1 &UIC3 0xc 0x4 /* swizzled int A */
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0x0 0x0 0x0 0x2 &UIC3 0xd 0x4 /* swizzled int B */
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0x0 0x0 0x0 0x3 &UIC3 0xe 0x4 /* swizzled int C */
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0x0 0x0 0x0 0x4 &UIC3 0xf 0x4 /* swizzled int D */>;
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};
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MSI: ppc4xx-msi@C10000000 {
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compatible = "amcc,ppc4xx-msi", "ppc4xx-msi";
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reg = < 0xC 0x10000000 0x100
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0xC 0x10000000 0x100>;
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sdr-base = <0x36C>;
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msi-data = <0x00004440>;
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msi-mask = <0x0000ffe0>;
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interrupts =<0 1 2 3 4 5 6 7>;
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interrupt-parent = <&MSI>;
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#interrupt-cells = <1>;
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#address-cells = <0>;
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#size-cells = <0>;
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msi-available-ranges = <0x0 0x100>;
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interrupt-map = <
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0 &UIC3 0x18 1
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1 &UIC3 0x19 1
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2 &UIC3 0x1A 1
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3 &UIC3 0x1B 1
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4 &UIC3 0x1C 1
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5 &UIC3 0x1D 1
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6 &UIC3 0x1E 1
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7 &UIC3 0x1F 1
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>;
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};
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};
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chosen {
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linux,stdout-path = "/plb/opb/serial@ef600400";
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};
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};
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