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10 KiB

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