Hi, I wonder if its possible to install OpenWRT on RE6800. It's similar to RE6500 hardware-wise, but it looks like bootloader is different, so neither tftp, nor bootloader password isn't working. When I try to upload the FW through OEM UI it says "the file is unsigned". I'm kind of newbie in OpenWRT world so no clue what to look at next, or just throw the idea away. Cheers.
Bootlog is like this
===================================================================
MT7621 stage1 code Mar 12 2015 14:43:30 (ASIC)
CPU=500000000 HZ BUS=166666666 HZ
==================================================================
Change MPLL source from XTAL to CR...
do MEMPLL setting..
MEMPLL Config : 0x31100000
3PLL mode + External loopback
=== XTAL-40Mhz === DDR-800Mhz ===
PLL3 FB_DL: 0x0, 1/0 = 1020/4 01000000
PLL2 FB_DL: 0x7, 1/0 = 559/465 1D000000
PLL4 FB_DL: 0x1a, 1/0 = 636/388 69000000
do DDR setting..[01F40000]
Apply DDR3 Setting...(use customer AC)
0 8 16 24 32 40 48 56 64 72 80 88 96 104 112 120
--------------------------------------------------------------------------------
0000:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0001:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0002:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0003:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0004:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0005:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0006:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0007:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0008:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0009:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
000A:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
000B:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
000C:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
000D:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
000E:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
000F:| 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
0010:| 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0
0011:| 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
0012:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0013:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0014:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0015:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0016:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0017:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0018:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0019:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
001A:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
001B:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
001C:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
001D:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
001E:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
001F:| 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
DRAMC_DQSCTL1[0e0]=14000000
DRAMC_DQSGCTL[124]=80000000
rank 0 coarse = 16
rank 0 fine = 56
B:| 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0
opt_dle value:9
DRAMC_DDR2CTL[07c]=C287221D
DRAMC_PADCTL4[0e4]=000022B3
DRAMC_DQIDLY1[210]=0A0B080C
DRAMC_DQIDLY2[214]=060A0909
DRAMC_DQIDLY3[218]=0B090A08
DRAMC_DQIDLY4[21c]=0C090E0B
DRAMC_R0DELDLY[018]=00003131
==================================================================
RX DQS perbit delay software calibration
==================================================================
1.0-15 bit dq delay value
==================================================================
bit| 0 1 2 3 4 5 6 7 8 9
--------------------------------------
0 | 10 7 9 10 8 9 9 6 7 9
10 | 9 10 10 12 9 10
--------------------------------------
==================================================================
2.dqs window
x=pass dqs delay value (min~max)center
y=0-7bit DQ of every group
input delay:DQS0 =49 DQS1 = 49
==================================================================
bit DQS0 bit DQS1
0 (1~94)47 8 (1~95)48
1 (1~95)48 9 (1~96)48
2 (1~94)47 10 (1~97)49
3 (1~97)49 11 (1~95)48
4 (1~96)48 12 (1~96)48
5 (1~97)49 13 (1~94)47
6 (1~96)48 14 (1~97)49
7 (1~97)49 15 (0~95)47
==================================================================
3.dq delay value last
==================================================================
bit| 0 1 2 3 4 5 6 7 8 9
--------------------------------------
0 | 12 8 11 10 9 9 10 6 8 10
10 | 9 11 11 14 9 12
==================================================================
==================================================================
TX perbyte calibration
==================================================================
DQS loop = 15, cmp_err_1 = ffff0000
dqs_perbyte_dly.last_dqsdly_pass[0]=15, finish count=1
dqs_perbyte_dly.last_dqsdly_pass[1]=15, finish count=2
DQ loop=15, cmp_err_1 = ffff0000
dqs_perbyte_dly.last_dqdly_pass[0]=15, finish count=1
dqs_perbyte_dly.last_dqdly_pass[1]=15, finish count=2
byte:0, (DQS,DQ)=(8,8)
byte:1, (DQS,DQ)=(8,8)
DRAMC_DQODLY1[200]=88888888
DRAMC_DQODLY2[204]=88888888
20,data:88
[EMI] DRAMC calibration passed
===================================================================
MT7621 stage1 code done
CPU=500000000 HZ BUS=166666666 HZ
===================================================================
U-Boot 1.1.3 (Jan 12 2016 - 14:20:42)
Board: Ralink APSoC DRAM: 128 MB
relocate_code Pointer at: 87f1c000
LINUX started...
THIS IS ASIC
I see that there's a snapshot firmware for RE7000, which is exactly the same thing, but I couldn't find any mention of this model on the forum as well. I tried A/B method but it still says "the file is unsigned". What might be the way to flash the FW?
Found the PR, it confirmed 1234567890 password. Apparently you need to be real quick, so I just swiped trough the keys. Also there's no need to press RET after the password, like it is described in RE6500 instructions.
Success! Firmware from RE7000 worked 100%
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