How to alloc_pages from a given physical memory?

Thu Jul 6 07:17:45 EDT 2017


On 06.07.2017 12:20, kipade wrote:

> [...] (I have a look at> the kerrnel source, every omap_bo_object [...]

> [...] I use arm 32bit cpu, with kernel 3.14

> Here I want to allocate a block of shared memory from a given physical
> address, such as 0x90000000, 6M. [...]

it is well beyond newbie, you may find help on vendor forum,
i guess it is TI (Texas Instruments) Sitara SoC,
google search gives first hit:

http://processors.wiki.ti.com/index.php/CMEM_Overview

-- 
Best regards,
Kamil Konieczny
Samsung R&D Institute Poland