Bricked SoC ? Stuck in MaskROM mode, unable to update firmware

sylvainsab

I hope my mistake can be repaired. Some weeks ago I seemingly bricked my RK3399 SoC, because I followed an advice from some internet tutorial advising to erase some blocks using an upgrade_tool ws 0xsome_address /dev/null or something like that. It was a rather small address.

Since then I can only boot in MaskROM mode, but what worries me the most is that the size of the flash memory is displayed to be zero :

1. sudo ./upgrade_tool rfi
   
2. 
   
3. Flash Info:
   
4. 
   
5.         Manufacturer: SAMSUNG,value=00
   
6.         Flash Size: 0MB
   
7.         Block Size: 512KB
   
8.         Page Size: 2KB
   
9.         ECC Bits: 0
   
10.         Access Time: 40
    
11.         Flash CS:
    

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Also I cannot simply wipe out / upgrade the emmc firmware like I used to do :

1. sudo ./upgrade_tool uf ffly/stock/FIREFLY-RK3399_Ubuntu20.04-r240_v2.5.1d_230330.img
   
2. Program Log will save in the /root/upgrade_tool/log/
   
3. Loading firmware...
   
4. Support Type:RK330C     FW Ver:8.1.00   FW Time:2023-03-30 16:11:48
   
5. Loader ver:1.1a Loader Time:2023-03-30 16:11:20
   
6. Download Boot Fail
   

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Is there a way to solve this and hard reset the SPI/emmc ? Probably using the electric pins ? Thank you.

PS I don't mind which platform to use, this is posted from Linux using manjaro live usb but I have a spare Windows computer among others.

sylvainsab

Hello ? Can anyone tell me whether I can fix my own card, or else if I need to return it to the staff for repairing ?

sylvainsab

I opened a thread on r/SBCs.

rkflashtool on MacOS gives the most information: this is what I get after having booted the card in Maskrom mode and attempted to write/update the emmc:

1. sylvansab@mac ~ % cd hack/ffly/ubuntu-image
   
2. sylvansab@mac ubuntu-image % l
   
3. CLIoutImageMiniLoaderAll.binpackage-fileparameter.txt
   
4. sylvansab@mac ubuntu-image % rkflashtool w miniloader <MiniLoaderAll.bin
   
5. rkflashtool: info: rkflashtool v6.1
   
6. rkflashtool: info: Detected RK3399...
   
7. rkflashtool: info: interface claimed
   
8. rkflashtool: info: MASK ROM MODE
   
9. libusb: warning [darwin_transfer_status] transfer error: device not responding (value = 0xe00002ed)
   
10. libusb: warning [darwin_transfer_status] transfer error: device not responding (value = 0xe00002ed)
    
11. rkflashtool: info: working with partition: miniloader
    
12. libusb: error [submit_bulk_transfer] bulk transfer failed (dir = Out): pipe is stalled (code = 0xe000404f)
    
13. libusb: error [submit_bulk_transfer] bulk transfer failed (dir = In): pipe is stalled (code = 0xe000404f)
    
14. libusb: error [submit_bulk_transfer] bulk transfer failed (dir = In): pipe is stalled (code = 0xe000404f)
    
15. rkflashtool: fatal: invalid size of parameter block
    
16. sylvansab@mac ubuntu-image % rkflashtool w 0x40 MiniLoaderAll.bin
    
17. rkflashtool: info: rkflashtool v6.1
    
18. rkflashtool: info: Detected RK3399...
    
19. rkflashtool: info: interface claimed
    
20. rkflashtool: info: MASK ROM MODE
    
21. libusb: warning [darwin_transfer_status] transfer error: device not responding (value = 0xe00002ed)
    
22. libusb: warning [darwin_transfer_status] transfer error: device not responding (value = 0xe00002ed)
    
23. ... Done!
    
24. sylvansab@mac ubuntu-image % rkflashtool w 0x4000 Image/boot.img
    
25. rkflashtool: info: rkflashtool v6.1
    
26. rkflashtool: info: Detected RK3399...
    
27. rkflashtool: info: interface claimed
    
28. rkflashtool: info: MASK ROM MODE
    
29. libusb: warning [darwin_transfer_status] transfer error: device not responding (value = 0xe00002ed)
    
30. libusb: warning [darwin_transfer_status] transfer error: device not responding (value = 0xe00002ed)
    
31. ... Done!

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