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<Guest79>
Is there any issue with running a 32-bit U-Boot on a 64-bit (ARMv8) machine to load a 64-bit kernel?
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<dsimic>
I'm working on preparing a patchset that would upstream a few U-Boot patches for the Pinebook Pro that the distributions use
<dsimic>
one of the patches turns two status LEDs on very early, using board_early_init_f() in the board-specific code
<dsimic>
i.e. in board/pine64/pinebook-pro-rk3399/pinebook-pro-rk3399.c
<dsimic>
however, I'm also aware that using CONFIG_LED_STATUS is the preferred way to do that, but it would result in the status LEDs being turned on a bit later
<dsimic>
which may confuse the Pinebook Pro users that the laptop isn't turned on after they press the power key, etc.
<dsimic>
so, I'd like to check whether a patch for board/pine64/pinebook-pro-rk3399/pinebook-pro-rk3399.c that turns the status LEDs in a non-preferred way would be accepted upstream?
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<brujah>
mrnuke: yes, sorry, i talk to myself ...
<brujah>
i see that a lot of CONFIG_IS_ENABLED has appear in the code around fit support (like CONFIG_IS_ENABLED(FIT_PRINT)), but those config doesn't exist for TPL
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<mrnuke>
brujah: I don't think TPL is supposed to support FIT, the whole point of TPL being that you don't have enough room for SPL.
<mrnuke>
brujah: those CONFIG_IS_ENABLED() in FIT code raise my blood pressure. I want to get rid of them someday
<jimpo>
Guest79: I'm no expert, but I haven't gotten that to work
<jimpo>
on ARMv8 aarch64 can only be run at higher privilege levels than aarch32
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<brujah>
mrnuke: I think that TPL should support FIT (as SPL)
<mrnuke>
brujah: What would be the purpose of separating TPL and SPL then?
<brujah>
I am not sure, but in my understanding, when the space of the first stage is too small, then you just build a spl with minimum (like ram init) and then jump on tpl, and then jump on tpl
<brujah>
I am not sure, but in my understanding, when the space of the first stage is too small, then you just build a spl with minimum (like ram init) and then jump on tpl, and then jump on u-boot