OpenWrt support for EN7528 based xPON router

any idea to run OpenWRT on this device?

bootlog

Product page - https://www.gpononu.com/gepon-onu/2GE-1POTS-WiFi-CATV-PoE-Epon.html

**cpuinfo**
# cat cpuinfo
system type             : EcoNet EN7528 SOC
machine                 : Unknown
processor               : 0
cpu model               : MIPS 1004Kc V2.15
BogoMIPS                : 591.87
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 32
extra interrupt vector  : yes
hardware watchpoint     : yes, count: 4, address/irw mask: [0x0ffc, 0x0ffc, 0x0ffb, 0x0ffb]
isa                     : mips1 mips2 mips32r1 mips32r2
ASEs implemented        : mips16 dsp mt
shadow register sets    : 1
kscratch registers      : 0
package                 : 0
core                    : 0
VCED exceptions         : not available
VCEI exceptions         : not available
VPE                     : 0

processor               : 1
cpu model               : MIPS 1004Kc V2.15
BogoMIPS                : 449.74
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 32
extra interrupt vector  : yes
hardware watchpoint     : yes, count: 4, address/irw mask: [0x0ffc, 0x0ffc, 0x0ffb, 0x0ffb]
isa                     : mips1 mips2 mips32r1 mips32r2
ASEs implemented        : mips16 dsp mt
shadow register sets    : 1
kscratch registers      : 0
package                 : 0
core                    : 0
VCED exceptions         : not available
VCEI exceptions         : not available
VPE                     : 1

processor               : 2
cpu model               : MIPS 1004Kc V2.15
BogoMIPS                : 634.88
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 32
extra interrupt vector  : yes
hardware watchpoint     : yes, count: 4, address/irw mask: [0x0ffc, 0x0ffc, 0x0ffb, 0x0ffb]
isa                     : mips1 mips2 mips32r1 mips32r2
ASEs implemented        : mips16 dsp mt
shadow register sets    : 1
kscratch registers      : 0
package                 : 0
core                    : 1
VCED exceptions         : not available
VCEI exceptions         : not available
VPE                     : 0

processor               : 3
cpu model               : MIPS 1004Kc V2.15
BogoMIPS                : 640.61
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 32
extra interrupt vector  : yes
hardware watchpoint     : yes, count: 4, address/irw mask: [0x0ffc, 0x0ffc, 0x0ffb, 0x0ffb]
isa                     : mips1 mips2 mips32r1 mips32r2
ASEs implemented        : mips16 dsp mt
shadow register sets    : 1
kscratch registers      : 0
package                 : 0
core                    : 1
VCED exceptions         : not available
VCEI exceptions         : not available
VPE                     : 1

Not possible, as of now, there's no public GPON PHY driver anywhere, every vendor have their own implementation.