[U-Boot] [PATCH 12/13] armv7: support rk3066 early back to bootrom in start.S
Paweł Jarosz
paweljarosz3691 at gmail.com
Fri Jun 9 13:11:40 UTC 2017
W dniu 09.06.2017 o 14:27, Simon Glass pisze:
> So can we do this trick with SPL and drop TPL?
I think it's better to leave tpl build as it is.
>> Ad.2,3 Due to size issues (200KB limit) i needed to move main u-boot to mmc.
>> To load u-boot from
>> mmc by SPL (there is 32KB bootrom limit, not enough space for mmc support) i
>> moved SPL to sdram.
>> Code executed in sdram can't mess with sdram settings because it will hang
>> the board. Sdram setup
>> needs to be done by code in SRAM (tpl).
> You should be able to fit MMC and SDRAM into 32KB. E.g. I can build
> firefly-rk3288 that way as Heiko mentions
>
Maybe i could drop some configs and fit in 32KB SPL but not with very
convenient for users configs for loading u-boot from partition and not
offset in mmc :-).
Paweł
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