TP-LINK TL-MR3020 v3.x

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multiple revisions of this device, use caution
bgn (N300)
Portable 3G/4G Wireless N Router
TL-MR3020-01.jpg
Homepage Product page
Support Support page
Wikipedia TP-Link
WikiDevi.wi-cat.ru TP-LINK TL-MR3020 v3.x
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Supported
Tomato any flavor Incompatible
Gargoyle Status Unknown
Platform
BrandModelRev TP-LINK TL-MR3020 v3.x
FCC ID TE7MR3020V3
Board ID 2050500974, 2050501036 (v3.2)
Type mobile router
CPU1 checkY MediaTek MT7628NN
CPU1 Type MIPS 24KEc
CPU1 Speed 575 MHz
Flash1 Chip GigaDevice GD25Q64BSIG
Flash1 Size 8 MiB 8,388,608 B <br />65,536 Kib <br />8,192 KiB <br />64 Mib <br />0.00781 GiB <br />
RAM1 Size 64 MiB 67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br />
RAM1 Chip Zentel A3R12E40DBF-8E
ETH chip1 MediaTek MT7628NN
Ethernet Port Count 1-100MbE-LAN
Wired Standard IEEE 802.3i/3u

802dot11 OUI: 0C:80:63 (4 E, 4 W)
Ethernet OUI: 0C:80:63 (4 E, 4 W)

Stock bootloader U-Boot 1.1.3
Stock FW OS Linux 2.6.36
Expansion IF types USB 2.0
USB ports 1
USB Hub Compatible Untested
Power 5 VDC, 1 A
Connector type USB Female (Mini-B), USB Female Micro-B (v3.2)
Serial Port (UART) yes, 3.3V TTL, (115200 8N1)

Flags:
3G/4G capable

Other
Manuf/OEM/ODM TP-LINK
3rd Party Firmware Support OpenWrt • (List | Dev | DLs)
Retail
(Est.) release date November 2017
ASIN B00634PLTW Flag of the United States.svg
multiple uses
Country of manuf China
Radio 1
Chip1 MediaTek MT7628NN
Wireless interface OUI 0C:80:63
Antenna Connector Type none specified
MIMO status 2x2:2
Wireless Standard IEEE 802.11b/g/n
802.11n up to 300 Mbps
802.11g up to 54 Mbps
802.11b up to 11 Mbps
WiFi Operating Frequency 2.4 GHz
 CPU1 brandRadio1 chip1 brandRadio1 chip2 brand
TP-LINK TL-MR3020 v1.xAtherosAtheros
TP-LINK TL-MR3020 v3.xMediaTekMediaTek

For a list of all currently documented MediaTek chipsets with specifications, see MediaTek.

For a list of all currently documented TP-LINK devices with specifications, see TP-LINK.

300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = N300 class

Overview

  • TP-LINK TL-MR3020 v3.x (v3.0/v3.20)
CPU: MediaTek MT7628NN @575MHz WiSoC
Flash: GigaDevice GD25Q64BSIG (8MB)
RAM: Zentel A3R12E40DBF-8E (64MB)
WLAN: 802.11bgn 2T2R (2.4GHz)
LAN: 1x FE, USB: 1x USB 2.0 port
PCB ID: 2050500974

Links of Interest

Flashing

Flashing OpenWrt

OpenWrt Target: ramips
OpenWrt Subtarget: mt76x8
OpenWrt Package architecture: mipsel_24kc
Support started version: 19.07.0
Current supported version: 24.10.3
Install Comment:
For TFTP, rename -tftp-recovery.bin image to tp_recovery.bin
Recovery Comment:
For TFTP, rename -tftp-recovery.bin image to tp_recovery.bin

Please insert instructions here

JTAG-Serial Info

Serial

Bootlog • >>

[04020C0D][04020C0C]
DDR Calibration DQS reg = 00008787

U-Boot 1.1.3 (Sep  7 2018 - 14:20:29)
Board: Ralink APSoC DRAM:  64 MB
relocate_code Pointer at: 83fb8000
******************************
Software System Reset Occurred
******************************
gpiomode1 54050404.
gpiomode1 54150404.
gpiomode2 05540554.
gpiomode2 00000000.
gpiomode2 05550555.
######GPIO CTRL 0 for GPIO 0~32 OUTPUT tmp(0x0000000c)#####
##########Led gpio info: power(37),wps(2),lan(3),wan_green(43),wlan(44)#########
flash manufacture id: c8, device id 40 17
find flash: GD25Q64B
============================================ 
Ralink UBoot Version: 4.3.0.0
-------------------------------------------- 
ASIC 7628_MP (Port5<->None)
DRAM component: 512 Mbits DDR, width 16
DRAM bus: 16 bit
Total memory: 64 MBytes
Flash component: SPI Flash
Date:Sep  7 2018  Time:14:20:29
============================================ 
icache: sets:512, ways:4, linesz:32 ,total:65536
dcache: sets:256, ways:4, linesz:32 ,total:32768 

 ##### The CPU freq = 575 MHZ #### 
 estimate memory size =64 Mbytes
RESET MT7628 PHY!!!!!!
continue to starting system.
 0
disable switch phyport...

3: System Boot system code via Flash.(0xbc020000)
do_bootm:argc=2, addr=0xbc020000
## Booting image at bc020000 ...
   Uncompressing Kernel Image ... OK
No initrd
## Transferring control to Linux (at address 8000c150) ...
## Giving linux memsize in MB, 64

Starting kernel ...
Linux version 2.6.36 (tp-link@Sohoidev) 
 (gcc version 4.6.3 (Buildroot 2012.11.1) )

 The CPU feqenuce set to 575 MHz
 MIPS CPU sleep mode enabled.
CPU revision is: 00019655 (MIPS 24Kc)
Software DMA cache coherency
Determined physical RAM map:
 memory: 04000000 @ 00000000 (usable)
Initrd not found or empty - disabling initrd
Zone PFN ranges:
  Normal   0x00000000 -> 0x00004000
Movable zone start PFN for each node
early_node_map[1] active PFN ranges
    0: 0x00000000 -> 0x00004000
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
Kernel command line: console=ttyS1,115200 root=/dev/mtdblock2 rootfstype=squashfs init=/sbin/init
PID hash table entries: 256 (order: -2, 1024 bytes)
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Primary instruction cache 64kB, VIPT, , 4-waylinesize 32 bytes.
Primary data cache 32kB, 4-way, PIPT, no aliases, linesize 32 bytes
Writing ErrCtl register=00078cf0
Readback ErrCtl register=00078cf0
Memory: 61024k/65536k available (2832k kernel code, 4476k reserved, 677k data, 164k init, 0k highmem)
NR_IRQS:128
console [ttyS1] enabled
Calibrating delay loop... 386.04 BogoMIPS (lpj=772096)
pid_max: default: 4096 minimum: 301
Mount-cache hash table entries: 512
NET: Registered protocol family 16
bio: create slab <bio-0> at 0
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
Switching to clocksource Ralink Systick timer
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
TCP reno registered
NET: Registered protocol family 1
RT3xxx EHCI/OHCI init.
squashfs: version 4.0 (2009/01/31) Phillip Lougher
fuse init (API version 7.15)
msgmni has been set to 119
io scheduler noop registered
io scheduler deadline registered (default)
Ralink gpio driver initialized
i2cdrv_major = 218
Serial: 8250/16550 driver, 2 ports, IRQ sharing enabled
serial8250: ttyS0 at MMIO 0x10000d00 (irq = 21) is a 16550A
serial8250: ttyS1 at MMIO 0x10000c00 (irq = 20) is a 16550A
brd: module loaded
flash manufacture id: c8, device id 40 17
GD25Q64B(c8 40170000) (8192 Kbytes)
mtd .name = raspi, .size = 0x00800000 (8M) .erasesize = 0x00010000 (64K) .numeraseregions = 0
Creating 7 MTD partitions on "raspi":
0x000000000000-0x000000020000 : "boot"
0x000000020000-0x000000170000 : "kernel"
0x000000170000-0x0000007c0000 : "rootfs"
mtd: partition "rootfs" set to be root filesystem
0x0000007c0000-0x0000007d0000 : "config"
0x0000007d0000-0x0000007e0000 : "romfile"
0x0000007e0000-0x0000007f0000 : "rom"
0x0000007f0000-0x000000800000 : "radio"


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