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f6968952df
This patch adds the complicated u-boot environment access settings for to the MR24 target. Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
194 lines
3.2 KiB
Plaintext
194 lines
3.2 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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#include "apm82181.dtsi"
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/ {
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model = "Meraki MR24 Access Point";
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compatible = "meraki,mr24", "meraki,ikarem", "apm,bluestone";
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aliases {
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serial0 = &UART1;
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led-boot = &status;
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led-failsafe = &failsafe;
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led-running = &status;
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led-upgrade = &status;
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};
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chosen {
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stdout-path = "/plb/opb/serial@ef600400";
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};
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};
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&CRYPTO {
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status = "okay";
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};
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&PKA {
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status = "okay";
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};
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&TRNG {
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status = "okay";
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};
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&EBC0 {
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/* Ikarem has 32MB of NAND */
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ndfc@1,0 {
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status = "okay";
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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 0x00150000>;
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read-only;
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};
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partition@150000 {
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/*
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* The u-boot environment size is one NAND
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* block (16KiB). u-boot allocates four NAND
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* blocks (64KiB) in order to have spares
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* around for bad block management
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*/
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label = "u-boot-env";
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reg = <0x00150000 0x00010000>;
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read-only;
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};
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partition@160000 {
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/*
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* redundant u-boot environment.
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* has to be kept it in sync with the
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* data in "u-boot-env".
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*/
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label = "u-boot-env-redundant";
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reg = <0x00160000 0x00010000>;
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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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&UART1 {
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status = "okay";
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};
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&GPIO0 {
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status = "okay";
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};
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&IIC0 {
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status = "okay";
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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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&EMAC0 {
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status = "okay";
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phy-mode = "rgmii-id";
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phy-map = <0x2>;
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phy-address = <0x1>;
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phy-handle = <&phy>;
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mdio {
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#address-cells = <1>;
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#size-cells = <0>;
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phy: phy@1 {
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compatible = "ethernet-phy-ieee802.3-c22";
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reg = <1>;
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};
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};
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};
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&POB0 {
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gpio-leds {
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compatible = "gpio-leds";
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status: power-green {
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label = "mr24:green:power";
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gpios = <&GPIO0 18 GPIO_ACTIVE_LOW>;
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};
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failsafe: power-orange {
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label = "mr24:orange:power";
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gpios = <&GPIO0 19 GPIO_ACTIVE_LOW>;
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};
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lan {
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label = "mr24:green:wan";
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gpios = <&GPIO0 17 GPIO_ACTIVE_LOW>;
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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 GPIO_ACTIVE_LOW>;
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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 GPIO_ACTIVE_LOW>;
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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 GPIO_ACTIVE_LOW>;
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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 GPIO_ACTIVE_LOW>;
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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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reset {
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/* Label as per Meraki's "MR24 Installation Guide" */
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label = "Factory Reset Button";
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linux,code = <KEY_RESTART>;
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gpios = <&GPIO0 16 GPIO_ACTIVE_LOW>;
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};
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};
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};
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&PCIE0 {
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status = "okay";
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};
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&MSI {
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status = "okay";
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};
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