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OpenWRT on EN7525
This is a proof-of-concept using a custom kernel from an external git repository.
It boots, but it does not support:
- MTD storage layout
- Ethernet
- Wifi
- USB
- Phone
- XPON
So essentially nothing, but it's a good starting point for aiming to target these boards.
How to run this
Prepare
If you don't already have a serial console program with XMODEM capability, install one. On alpine: apk add picocom lrzsz
Make sure you have a serial connection to your board.
Build
You may have to install some dependencies for the build to complete successfully.
cp ./_config ./.configmake -j$(nproc) || make -j1 V=s
Flash
ls -la ./bin/targets/en7526/generic/openwrt-en7526-initramfs.bin | awk '{printf "%x\n", $5}'- SAVE THIS NUMBER!picocom /dev/ttyUSB0 -b 115200 --send-cmd lsx -vv- Press a key to stop the bootloader
- Enter username
telecomadminand passwordnE7jA%5m- This part will be different depending on your exact bootloader (ZyXel has a different password/process) - Once you are on the prompt
bldr>, typexmdm 80020000 <THAT HEX NUMBER I TOLD YOU TO SAVE> - Quickly: Hit ctrl+a ctrl+s to begin sending over XMODEM (ctrl+a ctrl+s are the key combos for picocom, if you use a different terminal then you will know your key combinations)
- Quickly: Paste
./bin/targets/en7526/generic/openwrt-en7526-initramfs.binand hit enter - It should begin counting bytes sent, if you get this then all is well
- It should end, saying
Transfer complete, press enter and you should see thebldr>prompt again jump 80020000
Bootlog
BGA IC
Xtal:1
DDR3 init.
DRAMC init done.
Calculate size.
DRAM size=512MB(supported max size)
Set new TRFC.
ddr-1066
7512DRAMC V1.2.2 (0)
EN751221 at Tue Nov 7 20:42:52 CST 2017 version 1.1 free bootbase
Memory size 512MB
Set SPI Clock to 25 Mhz
spi_nand_probe: mfr_id=0x98, dev_id=0xcb
Using Flash ECC.
Detected SPI NAND Flash : _SPI_NAND_DEVICE_ID_TC58CVG1S3H, Flash Size=0x10000000
bmt pool size: 163
BMT & BBT Init Success
Press any key in 3 secs to enter boot command mode.
..........
UserName: [B
Password:
UserName: telecomadmin
Password: ********
bldr> xmdm 80020000 5db630
C
*** file: ./bin/targets/en7526/generic/openwrt-en7526-initramfs.bin
$ lsx -vv ./bin/targets/en7526/generic/openwrt-en7526-initramfs.bin
Sending ./bin/targets/en7526/generic/openwrt-en7526-initramfs.bin, 47980 blocks: Give your local XMODEM receive command now.
Xmodem sectors/kbytes sent: 0/ 0kRetry 0: NAK on sector
Bytes Sent:6141568 BPS:10666
Transfer complete
*** exit status: 0 ***
received len=5db680
bldr> jump 80020000
Jump to 80020000
[ 0.000000] Linux version 4.9-ndm-5 (user@5247154d066c) (gcc version 7.3.0 (OpenWrt GCC 7.3.0 r8077-7cbbab7246) ) #0 SMP Wed Nov 11 20:09:58 2020
[ 0.000000] ISPRAM0: PA=00370000,Size=00010000,enabled
[ 0.000000] EcoNet SoC: RAM: DDR3 512 MB
[ 0.000000] CPU/SYS frequency: 900/225 MHz
[ 0.000000] bootconsole [early0] enabled
[ 0.000000] CPU0 revision is: 00019558 (MIPS 34Kc)
[ 0.000000] Determined physical RAM map:
[ 0.000000] memory: 00020000 @ 00000000 (reserved)
[ 0.000000] memory: 1bbe0000 @ 00020000 (usable)
[ 0.000000] memory: 00400000 @ 1bc00000 (reserved)
[ 0.000000] Wasting 1024 bytes for tracking 32 unused pages
[ 0.000000] Initrd not found or empty - disabling initrd
[ 0.000000] Detected 1 available secondary CPU(s)
[ 0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
[ 0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x0000000000000000-0x000000001bbfffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x000000001bbfffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000001bbfffff]
[ 0.000000] percpu: Embedded 12 pages/cpu s17968 r8192 d22992 u49152
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 112776
[ 0.000000] Kernel command line: console=ttyS0,115200
[ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Writing ErrCtl register=00067c70
[ 0.000000] Readback ErrCtl register=00067c70
[ 0.000000] NMI base is 813fc200
[ 0.000000] Memory: 444188K/454656K available (3456K kernel code, 144K rwdata, 664K rodata, 1744K init, 243K bss, 10468K reserved, 0K cma-reserved)
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] Build-time adjustment of leaf fanout to 32.
[ 0.000000] NR_IRQS:41
[ 0.000000] hpt: using 200.000 MHz high precision timer
[ 0.000000] clocksource: hpt: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 9556302233 ns
[ 0.000007] sched_clock: 32 bits at 200MHz, resolution 5ns, wraps every 10737418237ns
[ 0.008002] console [ttyS0] enabled
[ 0.008002] console [ttyS0] enabled
[ 0.014795] bootconsole [early0] disabled
[ 0.014795] bootconsole [early0] disabled
[ 0.022789] Calibrating delay loop... 599.04 BogoMIPS (lpj=1198080)
[ 0.053323] pid_max: default: 32768 minimum: 301
[ 0.058066] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.064532] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.075283] ISPRAM0: PA=00370000,Size=00010000,enabled
[ 0.076132] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
[ 0.076138] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
[ 0.076222] CPU1 revision is: 00019558 (MIPS 34Kc)
[ 0.132050] Synchronize counters for CPU 1: done.
[ 0.136838] Brought up 2 CPUs
[ 0.139727] CPU1: update max cpu_capacity 589
[ 0.144089] CPU1: update max cpu_capacity 589
[ 0.145301] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.145317] futex hash table entries: 512 (order: 2, 16384 bytes)
[ 0.164601] NET: Registered protocol family 16
[ 0.567793] PCI host bridge to bus 0000:00
[ 0.571841] pci_bus 0000:00: root bus resource [mem 0x20000000-0x2fffffff]
[ 0.578730] pci_bus 0000:00: root bus resource [io 0x1f600000-0x1f60ffff]
[ 0.585464] pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]
[ 0.592229] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
[ 0.602293] pci 0000:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[ 0.610282] pci 0000:00:01.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[ 0.622590] pci 0000:00:00.0: BAR 8: assigned [mem 0x20000000-0x200fffff]
[ 0.629262] pci 0000:00:01.0: BAR 8: assigned [mem 0x20100000-0x202fffff]
[ 0.636002] pci 0000:01:00.0: BAR 0: assigned [mem 0x20000000-0x200fffff]
[ 0.642810] pci 0000:00:00.0: PCI bridge to [bus 01]
[ 0.647757] pci 0000:00:00.0: bridge window [mem 0x20000000-0x200fffff]
[ 0.654587] pci 0000:02:00.0: BAR 0: assigned [mem 0x20100000-0x201fffff 64bit]
[ 0.661880] pci 0000:02:00.0: BAR 6: assigned [mem 0x20200000-0x2020ffff pref]
[ 0.669006] pci 0000:00:01.0: PCI bridge to [bus 02]
[ 0.673975] pci 0000:00:01.0: bridge window [mem 0x20100000-0x202fffff]
[ 0.681940] clocksource: Switched to clocksource hpt
[ 0.688377] NET: Registered protocol family 2
[ 0.692846] IP idents hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.700197] TCP established hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.707484] TCP bind hash table entries: 16384 (order: 5, 131072 bytes)
[ 0.714473] TCP: Hash tables configured (established 16384 bind 16384)
[ 0.721007] UDP hash table entries: 256 (order: 1, 8192 bytes)
[ 0.726733] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
[ 0.733218] NET: Registered protocol family 1
[ 1.604327] workingset: timestamp_bits=29 max_order=17 bucket_order=0
[ 1.610862] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 1.618632] io scheduler noop registered (default)
[ 1.623660] PCI: Enabling device 0000:00:00.0 (0000 -> 0002)
[ 1.631197] PCI: Enabling device 0000:00:01.0 (0000 -> 0002)
[ 1.638971] tc3162_uart: UART driver for EN751x SoC, buffer size is 4096 bytes
[ 1.646354] ttyS0 at I/O 0xbfbf0003 (irq = 1, base_baud = 7200) is a TC3162
[ 1.646824] ndmpart: registering the NDM partition parser...
[ 1.646850] EcoNET SPI NAND driver init
[ 1.646881] Set SPI Clock to 50 Mhz
[ 1.646909] Using Flash ECC
[ 1.646921] Detected SPI NAND Flash: TC58CVG1S3H, Flash Size: 256 MB
[ 1.647213] nand: device found, Manufacturer ID: 0x98, Chip ID: 0xcb
[ 1.647220] nand: Toshiba TC58CVG1S3H
[ 1.647231] nand: 256 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
[ 1.711613] BMT pool size: 163
[ 1.713428] BBT found, bad block count: 3
[ 1.713437] BBT bad block: 3
[ 1.713443] BBT bad block: 1536
[ 1.713450] BBT bad block: 1537
[ 1.713508] BMT & BBT init success
[ 1.718870] ndmpart: di: unknown magic 0x55424923
[ 1.718885] mtd: failed to find partitions; one or more parsers reports errors (-22)
[ 1.719902] tun: Universal TUN/TAP device driver, 1.6
[ 1.719926] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[ 1.719997] PPP generic driver version 2.4.2
[ 1.720137] PPP MPPE Compression module registered
[ 1.720150] NET: Registered protocol family 24
[ 1.720176] PPTP driver version 0.8.5
[ 1.721731] nf_conntrack version 0.5.0 (56320 buckets, 112640 max)
[ 1.722165] gre: GRE over IPv4 demultiplexor driver
[ 1.722291] NET: Registered protocol family 10
[ 1.723444] NET: Registered protocol family 17
[ 1.723479] 8021q: 802.1Q VLAN Support v1.8
[ 1.731552] Freeing unused kernel memory: 1744K
[ 1.731576] This architecture does not have kernel memory protection.
[ 1.731584] RNG reseed started
[ 1.731627] cannot get MTD device Config: -19
[ 1.743190] init: Console is alive
[ 1.759747] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[ 1.760099] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[ 1.764415] init: - preinit -
[ 1.845521] random: jshn: uninitialized urandom read (4 bytes read)
[ 1.869486] random: jshn: uninitialized urandom read (4 bytes read)
Press the [f] key and hit [enter] to enter failsafe mode
Press the [1], [2], [3] or [4] key and hit [enter] to select the debug level
[ 4.976230] procd: - early -
[ 5.530324] procd: - ubus -
[ 5.536961] random: ubusd: uninitialized urandom read (4 bytes read)
[ 5.580354] random: ubusd: uninitialized urandom read (4 bytes read)
[ 5.580837] random: ubusd: uninitialized urandom read (4 bytes read)
[ 5.581724] procd: - init -
Please press Enter to activate this console.
[ 5.712754] kmodloader: loading kernel modules from /etc/modules.d/*
[ 5.716135] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 5.724409] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 5.762852] xt_time: kernel timezone is -0000
[ 5.768317] kmodloader: done loading kernel modules from /etc/modules.d/*
[ 6.933741] random: fast init done
[ 9.918470] IPv6: ADDRCONF(NETDEV_UP): lo: link is not ready
BusyBox v1.28.4 () built-in shell (ash)
_______ ________ __
| |.-----.-----.-----.| | | |.----.| |_
| - || _ | -__| || | | || _|| _|
|_______|| __|_____|__|__||________||__| |____|
|__| W I R E L E S S F R E E D O M
-----------------------------------------------------
OpenWrt 18.06.9, r8077-7cbbab7246
-----------------------------------------------------
=== WARNING! =====================================
There is no root password defined on this device!
Use the "passwd" command to set up a new password
in order to prevent unauthorized SSH logins.
--------------------------------------------------
root@OpenWrt:/#
Thanks to OpenWRT
_______ ________ __
| |.-----.-----.-----.| | | |.----.| |_
| - || _ | -__| || | | || _|| _|
|_______|| __|_____|__|__||________||__| |____|
|__| W I R E L E S S F R E E D O M
-----------------------------------------------------
This is the buildsystem for the OpenWrt Linux distribution.
To build your own firmware you need a Linux, BSD or MacOSX system (case
sensitive filesystem required). Cygwin is unsupported because of the lack
of a case sensitive file system.
You need gcc, binutils, bzip2, flex, python, perl, make, find, grep, diff,
unzip, gawk, getopt, subversion, libz-dev and libc headers installed.
1. Run "./scripts/feeds update -a" to obtain all the latest package definitions
defined in feeds.conf / feeds.conf.default
2. Run "./scripts/feeds install -a" to install symlinks for all obtained
packages into package/feeds/
3. Run "make menuconfig" to select your preferred configuration for the
toolchain, target system & firmware packages.
4. Run "make" to build your firmware. This will download all sources, build
the cross-compile toolchain and then cross-compile the Linux kernel & all
chosen applications for your target system.
Sunshine!
Your OpenWrt Community
http://www.openwrt.org