// SPDX-License-Identifier: ISC
/*
* Device Tree file for the USRobotics USR8200 firewall
* VPN and NAS. Based on know-how from Peter Denison.
*
* This machine is based on IXP422, the USR internal codename
* is "Jeeves".
*/
/dts-v1/;
#include "intel-ixp42x.dtsi"
#include <dt-bindings/input/input.h>
/ {
model = "USRobotics USR8200";
compatible = "usr,usr8200", "intel,ixp42x";
#address-cells = <1>;
#size-cells = <1>;
memory@0 {
device_type = "memory";
reg = <0x00000000 0x4000000>;
};
chosen {
bootargs = "console=ttyS0,115200n8";
stdout-path = "uart1:115200n8";
};
aliases {
/* These are switched around */
serial0 = &uart1;
serial1 = &uart0;
};
leds {
compatible = "gpio-leds";
ieee1394_led: led-1394 {
label = "usr8200:green:1394";
gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
default-state = "off";
};
usb1_led: led-usb1 {
label = "usr8200:green:usb1";
gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
default-state = "off";
};
usb2_led: led-usb2 {
label = "usr8200:green:usb2";
gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
default-state = "off";
};
wireless_led: led-wireless {
/*
* This LED is mounted inside the case but cannot be
* seen from the outside: probably USR planned at one
* point for the device to have a wireless card, then
* changed their mind and didn't mount it, leaving the
* LED in place.
*/
label = "usr8200:green:wireless";
gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
default-state = "off";
};
pwr_led: led-pwr {
label = "usr8200:green:pwr";
gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
default-state = "on";
linux,default-trigger = "heartbeat";
};
};
gpio_keys {
compatible = "gpio-keys";
button-reset {
wakeup-source;
linux,code = <KEY_RESTART>;
label = "reset";
gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
};
};
soc {
bus@c4000000 {
flash@0,0 {
compatible = "intel,ixp4xx-flash", "cfi-flash";
bank-width = <2>;
/* Enable writes on the expansion bus */
intel,ixp4xx-eb-write-enable = <1>;
/* 16 MB of Flash mapped in at CS0 */
reg = <0 0x00000000 0x1000000>;
partitions {
compatible = "redboot-fis";
/* Eraseblock at 0x0fe0000 */
fis-index-block = <0x7f>;
};
};
rtc@2,0 {
/* EPSON RTC7301 DG DIL-capsule */
compatible = "epson,rtc7301dg";
/*
* These timing settings were found in the boardfile patch:
* IXP4XX_EXP_CS2 = 0x3fff000 | IXP4XX_EXP_BUS_SIZE(0) | IXP4XX_EXP_BUS_WR_EN |
* IXP4XX_EXP_BUS_CS_EN | IXP4XX_EXP_BUS_BYTE_EN;
*/
intel,ixp4xx-eb-t1 = <0>; // no cycles extra address phase
intel,ixp4xx-eb-t2 = <0>; // no cycles extra setup phase
intel,ixp4xx-eb-t3 = <15>; // 15 cycles extra strobe phase
intel,ixp4xx-eb-t4 = <3>; // 3 cycles extra hold phase
intel,ixp4xx-eb-t5 = <15>; // 15 cycles extra recovery phase
intel,ixp4xx-eb-cycle-type = <0>; // Intel cycle
intel,ixp4xx-eb-byte-access-on-halfword = <0>;
intel,ixp4xx-eb-mux-address-and-data = <0>;
intel,ixp4xx-eb-ahb-split-transfers = <0>;
intel,ixp4xx-eb-write-enable = <1>;
intel,ixp4xx-eb-byte-access = <1>;
/* 512 bytes at CS2 */
reg = <2 0x00000000 0x0000200>;
reg-io-width = <1>;
native-endian;
/* FIXME: try to check if there is an IRQ for the RTC? */
};
};
pci@c0000000 {
status = "okay";
/*
* Taken from USR8200 boardfile from OpenWrt
*
* We have 3 slots (IDSEL) with partly swizzled IRQs on slot 16.
* We assume the same IRQ for all pins on the remaining slots, that
* is what the boardfile was doing.
*/
#interrupt-cells = <1>;
interrupt-map-mask = <0xf800 0 0 7>;
interrupt-map =
/* IDSEL 14 used for "Wireless" in the board file */
<0x7000 0 0 1 &gpio0 7 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 14 is irq 7 */
/* IDSEL 15 used for VIA VT6307 IEEE 1394 Firewire */
<0x7800 0 0 1 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 15 is irq 8 */
/* IDSEL 16 used for VIA VT6202 USB 2.0 4+1 */
<0x8000 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 16 is irq 11 */
<0x8000 0 0 2 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 16 is irq 10 */
<0x8000 0 0 3 &gpio0 9 IRQ_TYPE_LEVEL_LOW>; /* INT C on slot 16 is irq 9 */
};
gpio@c8004000 {
/* Enable clock out on GPIO 15 */
intel,ixp4xx-gpio15-clkout;
};
/* EthB WAN */
ethernet@c8009000 {
status = "okay";
queue-rx = <&qmgr 3>;
queue-txready = <&qmgr 20>;
phy-mode = "rgmii";
phy-handle = <&phy9>;
mdio {
#address-cells = <1>;
#size-cells = <0>;
/*
* PHY 0..4 are internal to the MV88E6060 switch but appear
* as independent devices.
*/
phy0: ethernet-phy@0 {
reg = <0>;
};
phy1: ethernet-phy@1 {
reg = <1>;
};
phy2: ethernet-phy@2 {
reg = <2>;
};
phy3: ethernet-phy@3 {
reg = <3>;
};
/* Altima AMI101L used by the WAN port */
phy9: ethernet-phy@9 {
reg = <9>;
};
/* The switch uses MDIO addresses 16 thru 31 */
switch@16 {
compatible = "marvell,mv88e6060";
reg = <16>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
label = "lan1";
phy-handle = <&phy0>;
};
port@1 {
reg = <1>;
label = "lan2";
phy-handle = <&phy1>;
};
port@2 {
reg = <2>;
label = "lan3";
phy-handle = <&phy2>;
};
port@3 {
reg = <3>;
label = "lan4";
phy-handle = <&phy3>;
};
port@5 {
/* Port 5 is the CPU port according to the MV88E6060 datasheet */
reg = <5>;
phy-mode = "rgmii-id";
ethernet = <ðc>;
label = "cpu";
fixed-link {
speed = <100>;
full-duplex;
};
};
};
};
};
};
/* EthC LAN connected to the Marvell DSA Switch */
ethc: ethernet@c800a000 {
status = "okay";
queue-rx = <&qmgr 4>;
queue-txready = <&qmgr 21>;
phy-mode = "rgmii";
fixed-link {
speed = <100>;
full-duplex;
};
};
};
};
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