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Post time 2021-01-27 08:26:49 | Show all posts |Read mode
The burning tool has been stuck at 3% after a short electrical contact, and uboot failed to load uboot. uart displays ddr loading failure, how to remedy it, and whether it can be forced to boot from SD.
Directly connect to the power uboot output:
  1. G12B:BL:6e7c85:2a3b91;FEAT:E0F83180:402000;POC:F;RCY:0;EMMC:0;READ:0;0.
  2. bl2_stage_init 0x01
  3. bl2_stage_init 0x81
  4. hw id: 0x0001 - pwm id 0x00
  5. bl2_stage_init 0xc0
  6. bl2_stage_init 0x02

  7. L0:00000000
  8. L1:00000703
  9. L2:0000c067
  10. L3:14000020
  11. B2:00402000
  12. B1:e0f83180

  13. TE: 131981

  14. BL2 Built : 15:22:05, Aug 28 2019. g12b g1bf2b53 - luan.yuan@droid15-sz

  15. Board ID = 12
  16. Set A53 clk to 24M
  17. Set A73 clk to 24M
  18. Set clk81 to 24M
  19. A53 clk: 1200 MHz
  20. A73 clk: 1200 MHz
  21. CLK81: 166.6M
  22. smccc: 00024bc2
  23. eMMC boot @ 0
  24. sw8 s
  25. DDR driver_vesion: LPDDR4_PHY_V_0_1_18 build time: Aug 28 2019 15:22:01
  26. board id: 12
  27. Load FIP HDR from eMMC, src: 0x00010200, des: 0xfffd0000, size: 0x00004000, part: 0
  28. fw parse done
  29. Load ddrfw from eMMC, src: 0x00060200, des: 0xfffd0000, size: 0x0000c000, part: 0
  30. Load ddrfw from eMMC, src: 0x00038200, des: 0xfffd0000, size: 0x00004000, part: 0
  31. PIEI prepare done
  32. fastboot data load
  33. 00000000
  34. emmc switch 1 ok
  35. ddr saved addr:00016000
  36. Load ddr parameter from eMMC, src: 0x02c00000, des: 0xfffd0000, size: 0x00001000, part: 0
  37. 00000000
  38. emmc switch 0 ok
  39. fastboot data verify
  40. verify result: 267
  41. Cfg max: 4, cur: 1. Board id: 255. Force loop cfg
  42. LPDDR4 probe
  43. ddr clk to 1608MHz
  44. Load ddrfw from eMMC, src: 0x0003c200, des: 0xfffd0000, size: 0x0000c000, part: 0

  45. dmc_version 0001
  46. Check phy result
  47. INFO : ERROR : Training has failed!
  48. 1D training failed
  49. Cfg max: 4, cur: 2. Board id: 255. Force loop cfg
  50. LPDDR4 probe
  51. ddr clk to 1608MHz
  52. Load ddrfw from eMMC, src: 0x0003c200, des: 0xfffd0000, size: 0x0000c000, part: 0

  53. dmc_version 0001
  54. Check phy result
  55. INFO : ERROR : Training has failed!
  56. 1D training failed
  57. Cfg max: 4, cur: 3. Board id: 255. Force loop cfg
  58. LPDDR4 probe
  59. ddr clk to 1608MHz
  60. Load ddrfw from eMMC, src: 0x0003c200, des: 0xfffd0000, size: 0x0000c000, part: 0

  61. ...
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Can anyone help me?
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 Author| Post time 2021-01-27 08:28:34 | Show all posts
And, short contact electrical output:

  1. boot times 0G12B:BL:6e7c85:2a3b91;FEAT:E0F83180:402000;POC:D;RCY:0;USB:0;0.
  2. bl2_stage_init 0x01
  3. bl2_stage_init 0x81
  4. hw id: 0x0001 - pwm id 0x00
  5. bl2_stage_init 0xc0
  6. bl2_stage_init 0x02

  7. L0:00000000
  8. L1:00000703
  9. L2:0000c067
  10. L3:14000020
  11. B2:00402000
  12. B1:e0f83180

  13. TE: 2601271

  14. BL2 Built : 15:42:20, Aug  2 2019. g12b gfa34f81 - luan.yuan@droid15-sz

  15. Board ID = 12
  16. Set A53 clk to 24M
  17. Set A73 clk to 24M
  18. Set clk81 to 24M
  19. A53 clk: 1200 MHz
  20. A73 clk: 1200 MHz
  21. CLK81: 166.6M
  22. smccc: 0027f9c4
  23. DDR driver_vesion: LPDDR4_PHY_V_0_1_15 build time: Aug  2 2019 15:42:16
  24. board id: 12
  25. Cfg max: 3, cur: 1. Board id: 255. Force loop cfg
  26. DATA transfer complete...
  27. fw parse done
  28. DATA transfer complete...
  29. AML DDR FW load done
  30. DATA transfer complete...
  31. PIEI prepare done
  32. DDR4 probe
  33. ddr clk to 1152MHz
  34. DATA transfer complete...

  35. dmc_version 0001
  36. Check phy result
  37. INFO : End of initialization
  38. INFO : ERROR : Training has failed!
  39. Cfg max: 3, cur: 2. Board id: 255. Force loop cfg
  40. ddr probe id done
  41. DATA transfer complete...
  42. fw parse done
  43. DATA transfer complete...
  44. AML DDR FW load done
  45. DATA transfer complete...
  46. PIEI prepare done
  47. DDR3 probe
  48. ddr clk to 912MHz
  49. DATA transfer complete...

  50. dmc_version 0001
  51. Check phy result
  52. INFO : End of initialization
  53. INFO : End of read enable training
  54. INFO : End of fine write leveling
  55. INFO : ERROR : Training has failed!
  56. Cfg max: 3, cur: 3. Board id: 255. Force loop cfg
  57. ddr probe id done
  58. DATA transfer complete...
  59. fw parse done
  60. DATA transfer complete...
  61. AML DDR FW load done
  62. DATA transfer complete...
  63. PIEI prepare done
  64. LPDDR4 probe
  65. ddr clk to 1152MHz
  66. DATA transfer complete...

  67. dmc_version 0001
  68. Check phy result
  69. INFO : ERROR : Training has failed!
  70. All ddr config failed...
  71. Try next cfg
  72. Exit data request loop...Err0x00000020
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Post time 2021-01-27 18:28:38 | Show all posts
Try this, and if it dont work with the firmware .img use the recovery.img out of the sdcard.zip firmware from Beelink. I have had to use the recovery img just to get to recovery and factory reset and so on from there.
http://www.bee-link.com/forum.php?mod=viewthread&tid=44927
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 Author| Post time 2021-01-27 19:22:07 | Show all posts
JBakerky replied at 2021-01-27 18:28
Try this, and if it dont work with the firmware .img use the recovery.img out of the sdcard.zip firm ...

Thank you, but it still doesn't seem to work. I accidentally formatted /dev/mmcblk0 before, and then restarted and it was a tragedy.
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Post time 2021-01-29 22:41:16 | Show all posts
glabe replied at 2021-01-27 19:22
Thank you, but it still doesn't seem to work. I accidentally formatted /dev/mmcblk0 before, and th ...

I may be way off on this, but i found something for a different box that just might give you a 'starting point' on how to go about it...  hope this is of some help!

See this link

https://www.cnx-software.com/201 ... r-amlogic-tv-boxes/
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 Author| Post time 2021-01-30 11:04:33 | Show all posts
BaldEagle replied at 2021-01-29 22:41
I may be way off on this, but i found something for a different box that just might give you a 'st ...

Thanks, but I still can’t forcibly flash the machine. I think the ddr initialization file is stored in the emmc of /dev/mmcblok0, and the firmware cannot be flashed without completing the ddr initialization.
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Post time 2021-02-01 20:18:05 | Show all posts
glabe replied at 2021-01-30 11:04
Thanks, but I still can’t forcibly flash the machine. I think the ddr initialization file is stor ...

Here is another discussion that might give more ideas ...

https://discourse.coreelec.org/t ... nternal-memory/1452

AND google around for that "2 pin shorting out" that would match exactly to your specific SoC chip and board ( i never have had to go that far )  
Good luck
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Post time 2021-02-23 07:49:48 From the mobile phone | Show all posts
If you can enter into  recovery mode that means you can flash a fresh copy of the firmware and the os but from the error i feel it is an hardware issue or maybe your flashing the wrong image.  
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Post time 6 day(s) ago | Show all posts
glabe replied at 2021-01-30 11:04
Thanks, but I still can’t forcibly flash the machine. I think the ddr initialization file is stor ...

Sorry for not replying in time

Please provide your series number
and which firmware have you updated?

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