1 comment:
File src/soc/intel/apollolake/include/soc/iomap.h:
Patch Set #1, Line 68: * Length is 2^36 = 64 GB.
As I understand it, the upper DRAM range goes from 4GiB till TOUUD.
you are right that BIOS has to program minimum value for TOUUD is 4 GB when reclaim memory is not enable in case of amount of system memory is less than 4GB, else the concept of reclaim memory comes in where amount of memory remapped is the range between TOLUD and 4 GB. And this memory would be above 4GB till TOUUD base.
you can refer to 326769 doc number
>
> However, I'm not sure what the 128 GiB base and 64 GiB size are, and what they correspond to in the diagram. :S
This is telling that TOUUD base of 128GB (above 4GB range) and its till 128GB + 64 GB = 192GB in size
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