Modding none LPDDR to LPDDR firmware Android 7.xx

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soldiaz
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#11

And maybe stupid question: I can create flashable zip through AML tools 4.0.0. Is it possible to create flashable zip without bootloader: boot, system only?
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Nayam
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#12

soldiaz wrote: ↑Thu May 30, 2019 5:19 pm And maybe stupid question: I can create flashable zip through AML tools 4.0.0. Is it possible to create flashable zip without bootloader: boot, system only?
Yes absolutely, just delete the unnecessary files from the zip directly.
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bumerc
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#13

soldiaz wrote: ↑Thu May 30, 2019 4:43 pmLubuntu ok?
Maybe, just try it
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soldiaz
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#14

Do I have to link sth?
I tried in history just setting system on top of any bootloader but never worked for me...
I guess Ill try ATVX H LPDDR on my S912 TX92
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bumerc
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#15

soldiaz wrote: ↑Fri May 31, 2019 5:06 pm Do I have to link sth?
...
What do you mean by linking? :thinking:
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soldiaz
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#16

I thought that system.img has to be linked to bootloader.img oder boot.img in any way in order to successfully boot up...

Maybe...I am not that deep in building
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bumerc
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#17

soldiaz wrote: ↑Fri May 31, 2019 6:13 pm I thought that system.img has to be linked to bootloader.img oder boot.img in any way in order to successfully boot up...

Maybe...I am not that deep in building
The box does not boot mostly in 2 cases, wrong bootloader, wrong dtb. The boot process and communication are via environment variables and corresponding registers.
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soldiaz
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#18

Thanks, so if I understood right: environment variables are fix (system related), and they are set up in dtb/bootloader. Of course if there is sth wrong because Registers arent set up correctly in dtb then device wont boot correctly.

Then any boot.img/system.img can be set upon individual device dtb?
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Nayam
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#19

soldiaz wrote: ↑Sat Jun 01, 2019 11:50 am Thanks, so if I understood right: environment variables are fix (system related), and they are set up in dtb/bootloader. Of course if there is sth wrong because Registers arent set up correctly in dtb then device wont boot correctly.

Then any boot.img/system.img can be set upon individual device dtb?
These all are connected. You cannot obviously use 3 different things altogether but when they are made from the same sdk and code, they usually work even when replaced.
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