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TBS2901 jtag schematic ?

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TBS2901 jtag schematic ?

Postby gobi2000 » Wed Dec 15, 2021 1:05 am

Hi to all have erase flash for my moi2900

MOI2900 # nand erase 0 100000

NAND erase: device 0 offset 0x0, size 0x100000
Erasing at 0xe0000 -- 100% complete.
OK
MOI2900 # nand write.e 2000000 0 100000

NAND write: device 0 offset 0x0, size 0x100000


Dont boot only led ok not have serial output.

i'm tray jtag schematic how to re flash NADA ?

Thanks to all for any help.
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Re: TBS2901 jtag schematic ?

Postby zhangchao » Thu Dec 16, 2021 10:02 am

hi ,

i sugget to buy raspbeery 4 and tbs5520se . this moi2900 is the product in 2013 , we are not support .


best regards!
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Re: TBS2901 jtag schematic ?

Postby gobi2000 » Fri Dec 17, 2021 12:59 am

I ask for information to fix this I have, for the purchase of the other tbs tuners, I already have a couple, thanks anyway.
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Re: TBS2901 jtag schematic ?

Postby zhangchao » Fri Dec 17, 2021 11:48 am

hi,
try this :
moi update

#fatload mmc 0:1 c0008000 MOI2900_k.bin
#nand erase 48c0000 400000
#nand write c0008000 48c0000 400000


#setenv loadmmcfs 'fatload mmc 0:1 40000000 MOI2900_fs.bin'
#setenv updatekfs 'nand erase 50c0000;nand write.yaffs 40000000 50c0000 ${filesize}'
#save
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Re: TBS2901 jtag schematic ?

Postby gobi2000 » Fri Dec 17, 2021 2:32 pm

For moment not hawe boot for terminal rs232, search boot recovery for mmc ?
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Re: TBS2901 jtag schematic ?

Postby gobi2000 » Tue Dec 21, 2021 3:38 am

Plase help my get jtag pin out for mainboard tbs-2901 v10 thanks.
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Re: TBS2901 jtag schematic ?

Postby gobi2000 » Fri Dec 24, 2021 2:26 pm

Hello, there really isn't anyone in this forum who can help me with the pin output scheme on this board to make a jtag.
Or how u-boot can be rewritten from scratch on this board.
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Re: TBS2901 jtag schematic ?

Postby steven » Fri Dec 24, 2021 4:02 pm

hi sir

Here is the u-boot please check
MOI2900_uboot.zip
uboot
(133.64 KiB) Downloaded 36 times


Thanks

Kind Regards
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Re: TBS2901 jtag schematic ?

Postby zhangchao » Fri Dec 24, 2021 4:04 pm

====uboot
fatload mmc 0:1 c0008000 MOI2900_uboot.bin
nand erase 0 c0000
nand write c0008000 0 60000
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Re: TBS2901 jtag schematic ?

Postby gobi2000 » Fri Dec 24, 2021 6:22 pm

I don't have uboot, so I can't give commands in the terminal, that's why I can write uboot from mmc with a command file? Or I need a jtag to recover this card. Thanks.
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