| // 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; |
| }; |
| }; |
| }; |
| }; |