firmware: scm: Add new SCM call API for switching memory ownership

Browse source

Two different processors on a SOC need to switch memory ownership
during load/unload. To enable this, second level memory map table
need to be updated, which is done by secure layer.
This patch adds the interface for making secure monitor call for
memory ownership switching request.

Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@codeaurora.org>
[bjorn: Minor style and kerneldoc updates]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

...

This commit is contained in:

Avaneesh Kumar Dwivedi 2017-10-24 21:22:24 +05:30 • committed by Bjorn Andersson

parent 33d930e59a

commit d82bd35997

5 changed files with 150 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

7

drivers/firmware/qcom_scm-32.c

View file

27

drivers/firmware/qcom_scm-64.c

View file

95

drivers/firmware/qcom_scm.c

View file

5

drivers/firmware/qcom_scm.h

View file

16

include/linux/qcom_scm.h

View file