On 11/03/2016 02:36 AM, Andre Przywara wrote:
Hi,
this is my first take on the SPL support for the Allwinner A64 SoC.
The actual meat - the DRAM initialization code - has been provided
by Jens - many thanks for that!
The rest of the patches mostly deal with the 32-bit/64-bit switch.
While it is possible and seems natural to let the SPL also run in 64-bit,
this creates a really large binary (32600 Bytes in my case). With some
hacks (plus some fixes to make the SPL 64-bit safe) I got this to work,
So how about we merge the 64bit version first (since that's *way* easier
to compile for everyone) and then consider the move to 32bit afterwards?
I don't even want to start to imagine how to squeeze a 32bit SPL build
into the build process for our U-Boot binaries.
but any addition will probably break it and exceed the 32KB limit that
the BROM imposes. Debug is the first obvious victim here.
Do you have some section size comparisons between the two?
Alex
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