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This commit adds support for netis N6 WiFi 6 router.
Specification
-------------
- SoC : MediaTek MT7621AT, MIPS, 880 MHz
- RAM : 256 MiB
- Flash : NAND 128 MiB (ESMT PSU1GA30DT)
- WLAN : MT7905DAN + MT7975DN
- 2.4 GHz : b/g/n/ax, 574 Mbps, MIMO 2x2
- 5 GHz : a/n/ac/ax, 1201 Mbps, MIMO 2x2
- Ethernet : 10/100/1000 Mbps x5 (1x WAN, 4x LAN)
- USB : 1x 3.0
- UART : 3.3V, 115200n8
- Buttons : 1x Reset
1x WPS
- LEDs : 1x Power (green)
1x System (green)
1x WAN (green)
1x WiFi 2.4 GHz (green), controlled by phy
1x WiFi 5 GHz (green), controlled by phy
1x WPS (green)
1x USB (green)
5x ethernet leds (green), controlled by switch
- Power : 12 VDC, 1.5 A
Installation
------------
1. Update the router using stock firmware web interface and OpenWrt
factory.bin image.
Recovery and return to stock
----------------------------
1. Assign your PC a static IP 192.168.1.2 and connect to the router using
the ethernet cable;
2. Power off the router;
3. Press Reset button, power on the router and wait until ethernet led
start blinking;
4. Release the button;
5. Open http://192.168.1.1/ (N6 System Recovery Mode) in your browser;
6. Upload OpenWrt factory.bin (or stock firmware *.bin) image and proceed
with upgrade.
MAC addresses
-------------
+---------+-------------------+
| | MAC example |
+---------+-------------------+
| LAN | dc:xx:xx:49:xx:04 |
| WAN | dc:xx:xx:49:xx:05 |
| WLAN 2g | dc:xx:xx:19:xx:06 |
| WLAN 5g | dc:xx:xx:79:xx:06 |
+---------+-------------------+
The WLAN MAC prototype was found in 'Factory', 0x4
The LAN MAC was found in 'Factory', 0x7ef20
The WAN MAC was found in 'Factory', 0x7ef26
Known issue
-----------
2.4 GHz WLAN doesn't start with mt76 driver.
Probable reason:
Original Netis N6 EEPROM contains wrong MT_EE_WIFI_CONF value (0xd2).
Other routers with the same WLAN hardware (e.g., Routerich AX1800)
have MT_EE_WIFI_CONF = 0x92.
Workaround (already included in this commit):
Extract EEPROM to a file at the boot time using preinit script
'09_prepare_eeprom' and change MT_EE_WIFI_CONF (offset 0x190) value
from 0xd2 to 0x92.
Signed-off-by: Mikhail Zhilkin <[email protected]>- Loading branch information
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,226 @@ | ||
| // SPDX-License-Identifier: GPL-2.0-or-later OR MIT | ||
|
|
||
| #include "mt7621.dtsi" | ||
|
|
||
| #include <dt-bindings/gpio/gpio.h> | ||
| #include <dt-bindings/input/input.h> | ||
| #include <dt-bindings/leds/common.h> | ||
|
|
||
| / { | ||
| compatible = "netis,n6", "mediatek,mt7621-soc"; | ||
| model = "netis N6"; | ||
|
|
||
| aliases { | ||
| label-mac-device = &gmac0; | ||
|
|
||
| led-boot = &led_power_green; | ||
| led-failsafe = &led_system_green; | ||
| led-running = &led_power_green; | ||
| led-upgrade = &led_system_green; | ||
| }; | ||
|
|
||
| chosen { | ||
| bootargs = "console=ttyS0,115200"; | ||
| }; | ||
|
|
||
| keys { | ||
| compatible = "gpio-keys"; | ||
|
|
||
| key-0 { | ||
| label = "wps"; | ||
| gpios = <&gpio 15 GPIO_ACTIVE_LOW>; | ||
| linux,code = <KEY_WPS_BUTTON>; | ||
| debounce-interval = <60>; | ||
| }; | ||
|
|
||
| key-1 { | ||
| label = "reset"; | ||
| gpios = <&gpio 18 GPIO_ACTIVE_LOW>; | ||
| linux,code = <KEY_RESTART>; | ||
| debounce-interval = <60>; | ||
| }; | ||
| }; | ||
|
|
||
| leds { | ||
| compatible = "gpio-leds"; | ||
|
|
||
| led-0 { | ||
| color = <LED_COLOR_ID_GREEN>; | ||
| function = LED_FUNCTION_USB; | ||
| gpios = <&gpio 4 GPIO_ACTIVE_LOW>; | ||
| trigger-sources = <&xhci_ehci_port1>; | ||
| linux,default-trigger = "usbport"; | ||
| }; | ||
|
|
||
| led-1 { | ||
| color = <LED_COLOR_ID_GREEN>; | ||
| function = LED_FUNCTION_WPS; | ||
| gpios = <&gpio 13 GPIO_ACTIVE_LOW>; | ||
| }; | ||
|
|
||
| led_system_green: led-2 { | ||
| color = <LED_COLOR_ID_GREEN>; | ||
| function = LED_FUNCTION_INDICATOR; | ||
| gpios = <&gpio 14 GPIO_ACTIVE_LOW>; | ||
| }; | ||
|
|
||
| led-3 { | ||
| color = <LED_COLOR_ID_GREEN>; | ||
| function = LED_FUNCTION_WAN; | ||
| gpios = <&gpio 16 GPIO_ACTIVE_LOW>; | ||
| }; | ||
|
|
||
| led_power_green: led-4 { | ||
| color = <LED_COLOR_ID_GREEN>; | ||
| function = LED_FUNCTION_POWER; | ||
| gpios = <&gpio 17 GPIO_ACTIVE_HIGH>; | ||
| }; | ||
| }; | ||
| }; | ||
|
|
||
| &gmac0 { | ||
| nvmem-cells = <&macaddr_factory_7ef20 0>; | ||
| nvmem-cell-names = "mac-address"; | ||
| }; | ||
|
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||
| &gmac1 { | ||
| status = "okay"; | ||
| label = "wan"; | ||
| phy-handle = <ðphy4>; | ||
|
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||
| nvmem-cells = <&macaddr_factory_7ef26 0>; | ||
| nvmem-cell-names = "mac-address"; | ||
| }; | ||
|
|
||
| ðphy4 { | ||
| /delete-property/ interrupts; | ||
| }; | ||
|
|
||
| &nand { | ||
| status = "okay"; | ||
|
|
||
| mediatek,nmbm; | ||
| mediatek,bmt-remap-range = <0x000000 0x580000>; | ||
|
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||
| partitions { | ||
| compatible = "fixed-partitions"; | ||
| #address-cells = <1>; | ||
| #size-cells = <1>; | ||
|
|
||
| partition@0 { | ||
| label = "u-boot"; | ||
| reg = <0x0 0x80000>; | ||
| read-only; | ||
| }; | ||
|
|
||
| partition@80000 { | ||
| label = "Config"; | ||
| reg = <0x80000 0x80000>; | ||
| }; | ||
|
|
||
| partition@100000 { | ||
| label = "Factory"; | ||
| reg = <0x100000 0x80000>; | ||
| read-only; | ||
|
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||
| nvmem-layout { | ||
| compatible = "fixed-layout"; | ||
| #address-cells = <1>; | ||
| #size-cells = <1>; | ||
|
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| eeprom_factory_0: eeprom@0 { | ||
| reg = <0x0 0xe00>; | ||
| }; | ||
|
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||
| macaddr_factory_7ef20: macaddr@7ef20 { | ||
| reg = <0x7ef20 0x6>; | ||
| }; | ||
|
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||
| macaddr_factory_7ef26: macaddr@7ef26 { | ||
| reg = <0x7ef26 0x6>; | ||
| }; | ||
| }; | ||
| }; | ||
|
|
||
| partition@180000 { | ||
| label = "firmware"; | ||
| reg = <0x180000 0x7680000>; | ||
|
|
||
| compatible = "fixed-partitions"; | ||
| #address-cells = <1>; | ||
| #size-cells = <1>; | ||
|
|
||
| partition@0 { | ||
| label = "kernel"; | ||
| reg = <0x0 0x400000>; | ||
| }; | ||
|
|
||
| partition@400000 { | ||
| label = "ubi"; | ||
| reg = <0x400000 0x7280000>; | ||
| }; | ||
| }; | ||
| }; | ||
| }; | ||
|
|
||
| &pcie { | ||
| status = "okay"; | ||
| }; | ||
|
|
||
| &pcie1 { | ||
| wifi@0,0 { | ||
| compatible = "mediatek,mt76"; | ||
| reg = <0x0000 0 0 0 0>; | ||
|
|
||
| /* | ||
| * *** The code block below is commented out *** | ||
| * Reason: Probably, original Netis N6 EEPROM has wrong | ||
| * MT_EE_WIFI_CONF value 0xd2. As a result 2.4 GHz | ||
| * doesn't start with mt76 driver. Other routers | ||
| * with the same WLAN chips (e.g., Routerich | ||
| * AX1800) have MT_EE_WIFI_CONF = 0x92. | ||
| * Workaround: Extract EEPROM to a file at the boot time | ||
| * using preinit script '09_prepare_eeprom' and | ||
| * change MT_EE_WIFI_CONF (offset 0x190) value | ||
| * from 0xd2 to 0x92. | ||
| */ | ||
|
|
||
| /* | ||
| nvmem-cells = <&eeprom_factory_0>; | ||
| nvmem-cell-names = "eeprom"; | ||
| */ | ||
|
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||
| mediatek,disable-radar-background; | ||
| }; | ||
| }; | ||
|
|
||
| &state_default { | ||
| gpio { | ||
| groups = "i2c", "jtag", "wdt"; | ||
| function = "gpio"; | ||
| }; | ||
| }; | ||
|
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||
| &switch0 { | ||
| ports { | ||
| port@0 { | ||
| status = "okay"; | ||
| label = "lan4"; | ||
| }; | ||
|
|
||
| port@1 { | ||
| status = "okay"; | ||
| label = "lan3"; | ||
| }; | ||
|
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||
| port@2 { | ||
| status = "okay"; | ||
| label = "lan2"; | ||
| }; | ||
|
|
||
| port@3 { | ||
| status = "okay"; | ||
| label = "lan1"; | ||
| }; | ||
| }; | ||
| }; |
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17 changes: 17 additions & 0 deletions
17
target/linux/ramips/mt7621/base-files/etc/hotplug.d/firmware/11-mt76-caldata
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| #!/bin/sh | ||
|
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| [ -e /lib/firmware/$FIRMWARE ] && exit 0 | ||
|
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| . /lib/functions/caldata.sh | ||
|
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| board=$(board_name) | ||
|
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| case "$FIRMWARE" in | ||
| "mediatek/mt7915_eeprom_dbdc.bin") | ||
| case "$board" in | ||
| netis,n6) | ||
| ln -sf /tmp/mt7915_eeprom_dbdc.bin /lib/firmware/$FIRMWARE | ||
| ;; | ||
| esac | ||
| ;; | ||
| esac |
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17 changes: 17 additions & 0 deletions
17
target/linux/ramips/mt7621/base-files/lib/preinit/09_prepare_eeprom
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| . /lib/functions/system.sh | ||
|
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||
| preinit_prepare_eeprom() { | ||
| case $(board_name) in | ||
| netis,n6) | ||
| EEPROM="/tmp/mt7915_eeprom_dbdc.bin" | ||
| head -c $((0xe00)) /dev/mtd2 > $EEPROM | ||
| printf "\x92" | \ | ||
| dd of=$EEPROM seek=$((0x190)) bs=1 conv=notrunc \ | ||
| 2>/dev/null | ||
| ;; | ||
| *) | ||
| ;; | ||
| esac | ||
| } | ||
|
|
||
| boot_hook_add preinit_main preinit_prepare_eeprom |
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