[U-Boot] [linux-sunxi] Re: [PATCH v1 3/9] sunxi: initial sun7i dram setup support

Henrik Nordström
2014-03-14T16:28:30Z

fre 2014-03-14 klockan 10:17 -0400 skrev Tom Rini:

> And as for the rest of the code, lots of magic numbers to #define
> what/why (why udelay(2) and 22?)

Unfortunately the only documentation we have on the sun7i DRAM
controller is Allwinner boot0 + boot1 code, and that code uses.. magic
numbers & shifts with no explanations.

We have guessed some small bits, but a lot is completely unknown.

Regards
Henriki