Last modified by Leon Poon on 2021/07/16 18:40
From version 11.1
edited by Leon Poon
on 2019/09/01 10:13
Change comment: There is no comment for this version
To version 28.1
edited by Leon Poon
on 2020/09/10 13:52
Change comment: There is no comment for this version

Summary

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1 1  switch0: port 0 = wan, port 1,2,3,4 = lan
2 2  
3 +If you brick your router you should be able to recover by soldering the UART pin headers and connecting to the serial. See [[this page for pictures>>doc:Linksys EA8100.WebHome]].
3 3  
4 -[[https:~~/~~/github.com/LeonPoon/openwrt/compare/master...master-linksys_ea8100>>https://github.com/LeonPoon/openwrt/compare/master...master-linksys_ea8100]]
5 5  
6 += 19.07.x =
7 +
8 +19.07.4 is here!
9 +
10 +[[https:~~/~~/www.codepowered.com/openwrt/v19.07.4/linksys_ea8100/>>https://www.codepowered.com/openwrt/v19.07.4/linksys_ea8100/]] ([[https:~~/~~/github.com/LeonPoon/openwrt/compare/v19.07.4...v19.07.4-linksys_ea8100>>https://github.com/LeonPoon/openwrt/compare/v19.07.4...v19.07.4-linksys_ea8100]])
11 +
12 +The EA8100 contains 2 firmware partitions. Using the Linksys UI will flash openwrt into only one of the 2 partitions. The booting process switches partition every few boots, so if you want to always boot into openwrt then you have to flash openwrt into both partitions.
13 +
14 +How to flash:
15 +
16 +If your router currently has stock Linksys firmware:
17 +
18 +1. Flash the "initramfs-factory.img" via Linksys UI. Wait for it to start to reboot.
19 +1. Configure your computer to have ip in 192.168.1.0/24 subnet but NOT 192.168.1.1. (so, use 192.168.1.2.) Start ping to 192.168.1.1.
20 +1. Cross your fingers that the router boots openwrt. Otherwise keep rebooting until it loads the openwrt partition. (Usually 3 times max.) Wait a few minutes from reboot to let it load. If you get ping response from 192.168.1.1 it means openwrt loaded.
21 +1. Scp the "squashfs-sysupgrade.bin" into /tmp in the router. root@192.168.1.1. No password.
22 +1. Log in as root via SSH into shell. No password.
23 +1. Sysupgrade the uploaded squashfs-sysupgrade.bin. This should flash the openwrt firmware into both firmware partitions. It auto reboots.
24 +1. opkg update
25 +1. **opkg install luci (the flashed images does not contain Luci)**
26 +1. Access LuCI via http:~/~/192.168.1.1/. You can now configure.
27 +
28 +If you are on my 18.x below, sysupgrade will not work. You have to manually mtd write the 19.07 "kernel-initramfs.bin" into the nand and boot/log into it (192.168.1.1), then sysupgrade.
29 +
30 +Sysupgrade will wipe entire firmware partitions! Backup your files/config before sysupgrade.
31 +
32 +Subsequently sysupgrade from 19.07.x should work.
33 +
34 +Wifi (5Ghz) seem to work at 30-40MB/s with a MacBook Pro.
35 +
36 +**Known issue**: 2.4Ghz wifi performance is really bad. 5Ghz seem ok though.
37 +
38 +
39 += 18.x =
40 +
6 6  9bebafcb5dfe37f25285fa18fb8bfe7b68011267 (with wifi support) Download:
7 7  
8 8  * [[initramfs-kernel.bin>>attach:openwrt-ramips-mt7621-linksys_ea8100-initramfs-kernel-9bebafcb5dfe37f25285fa18fb8bfe7b68011267.bin]]
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10 10  
11 11  Note that sysupgrade to a newer image is not likely to work.
12 12  
13 -(% border="1" cellpadding="0" cellspacing="0" style="margin-right:auto; width: auto" %)
48 +(% border="1" cellpadding="0" cellspacing="0" style="margin-right:auto; width:auto" %)
14 14  |[[image:1567332570723-651.png]]
15 15  
16 16  Dmesg:
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722 722  wireless.default_radio1.key='qwerty1234'
723 723  root@OpenWrt:/etc#
724 724  {{/code}}
760 +
761 +Firmware:
762 +
763 +./staging_dir/target-mipsel_24kc_glibc/root-ramips/lib/firmware/mediatek/mt7615_rom_patch.bin