On Wed, 25 Mar 2015 19:20:51 -0700 (PDT)
Andrew Kosteltsev <[email protected]> wrote:
>
>
> среда, 25 марта 2015 г., 19:09:08 UTC+3 пользователь Andrew Kosteltsev
> написал:
> >
> > Hello All,
> >
> > Please advise some test image which can be boot on my Cubietruck to check
> > is my Cubietruck hardware ok and has no PCB layout issues.
> >
> >
> >
> It seems like cubietruck 2GB issue
...
> but I cannot find correct FEX settings
> for H5TQ8G83AMR x 4 chips.
The DRAM controller is configured in U-Boot. And the DRAM settings
from the FEX files are not used directly.
But this is getting quite interesting. Is your board really using four
8Gbit (!) density DDR3 chips?
https://www.skhynix.com/inc/pdfDownload.jsp?path=/datasheet/pdf/dram/Computing_DDR3_H5TQ8G4(8_6)3AMR(Rev1.0).pdf
My Cubietruck is using four GT8UB512M8EN-BG DDR3 chips, which have 4Gbit
density. And this makes a lot more sense.
Could you please make a picture of these DDR3 chips used on your
Cubietruck and upload it to the linux-sunxi wiki?
> Also I need a path for kernel
> arch/arm/plat-sunxi/include/plat/memory.h where defined __bus_to_phys macro
> for sunxi display driver/video/sunxi/....
The 2GB __phys_to_bus/__bus_to_phys issue has been fixed a long time
ago in the kernel that you are using.
--
Best regards,
Siarhei Siamashka
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