While it should be supportable (ipq8064), it isn't yet - and as it has been quickly replaced by the vendor with h/w revision v2, using the mt7621 SOC with mt7615 wireless, it's not very likely to end up on the desk of developers/ regular contributors anymore. If you're interested in running OpenWrt on this device, you'll probably have to do most of the porting work yourself (as you mentioned, you're likely to be able to borrow some code and ideas from the existing ea8500 support).
Hi , after while i've got time to play with my linksys, bought level shifter but got it broken, i've found on ali usb ftdi to 1.8 / 3.0 and 5.0v serial console and it work nice. So here is bootlog
yes partition layout is almost the same like it not crippled brother ea8500 ea8500 wiki .
this is good news . i'll try to boot from tftp kernel and will be back soon
yes i have soldered cables and have access to uboot, tried initramfs from ea8500 but it stops due to less ram i think
(IPQ) # tftp
*** Warning: no boot file name; using 'C0A80101.img'
Using eth1 device
TFTP from server 192.168.1.254; our IP address is 192.168.1.1
Filename 'C0A80101.img'.
Load address: 0x42000000
Loading: T T T T T T T T T T T T T T T T T T #################################################################
#################################################################
#################################################################
#################################################################
#################################################################
########################
done
Bytes transferred = 5109118 (4df57e hex)
(IPQ) # bootm 0x42000000
Image Name: ARM OpenWrt Linux-5.4.36
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 5108990 Bytes = 4.9 MiB
Load Address: 42208000
Entry Point: 42208000
Verifying Checksum ... OK
Loading Kernel Image ... OK
OK
mtdids not defined, no default present
info: "mtdparts" not set
Using machid 0x1260 from environment
Starting kernel ...
U-Boot .07 [Standard IPQ806X.LN,r40331] (Nov 05 2015 - 14:44:22)
CBT U-Boot ver: 1.1.4
smem ram ptable found: ver: 0 len: 5
DRAM: 235 MiB
NAND: ipq_nand: failed to allocate memory
Hi, I also have Linksys EA7500 v1 and would like to contribute also. But I'm novice and don't know where to start and what to do. Could you pls help me with it?