lkml.org 
[lkml]   [2016]   [Aug]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 2/4] firmware: qcom: scm: add iommu scm calls for pg table
From
Date
Hi Puja,

On 08/24/2016 09:35 PM, Gupta, Puja wrote:
> On 8/19/2016 8:53 AM, Stanimir Varbanov wrote:
>> Those two scm calls are used to get the size of secure iommu
>> page table and to pass physical memory address for this page
>> table. The calls are used by remoteproc venus driver to load
>> the firmware.

> Do we really need these additional scm calls for venus? why can't we
> just reuse existing __qcom_scm_pas_mem_setup() call?

We are using __qcom_scm_pas_mem_setup() but it will return error if I
did not provide page table memory. At least for apq8016 this step looks
like is mandatory.

Do you have some idea how those iommu calls can be avoided?

--
regards,
Stan

\
 
 \ /
  Last update: 2016-09-17 09:57    [W:0.048 / U:1.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site