[PATCH 0/5] ARM: EXYNOS: Add secure firmware support

[Olof Johansson]

On Fri, Sep 21, 2012 at 05:39:41PM +0900, Kyungmin Park wrote:
> On 9/19/12, Tomasz Figa <t.figa at samsung.com> wrote:
> > Hi,
> >
> > On Thursday 13 of September 2012 10:13:33 Tomasz Figa wrote:
> >> Some Exynos-based boards are running with secure firmware running in
> >> TrustZone secure world, which changes the way some things have to be
> >> initialized.
> >>
> >> This series adds support for specifying firmware operations, implements
> >> some firmware operations for Exynos secure firmware and adds a method of
> >> enabling secure firmware operations on Exynos-based boards through board
> >> file and device tree.
> >>
> >> This is a continuation of the patch series by Kyungmin Park:
> >> [PATCH v5 1/2] ARM: Make a compile firmware conditionally
> >> http://thread.gmane.org/gmane.linux.ports.arm.kernel/183607
> >> [PATCH v5 2/2] ARM: EXYNOS: SMC instruction (aka firmware) support
> >> http://thread.gmane.org/gmane.linux.ports.arm.kernel/183608/focus=184109
> >>
> >> Tomasz Figa (5):
> >>   ARM: EXYNOS: Add IO mapping for non-secure SYSRAM.
> >>   ARM: Add interface for registering and calling firmware-specific
> >>     operations
> >>   ARM: EXYNOS: Add support for secure monitor calls
> >>   ARM: EXYNOS: Add support for Exynos secure firmware
> >>   ARM: EXYNOS: Add secure firmware support to secondary CPU bring-up
> >>
> >>  .../devicetree/bindings/arm/samsung-boards.txt     |  8 ++++
> >>  arch/arm/common/Makefile                           |  2 +
> >>  arch/arm/common/firmware.c                         | 18 ++++++++
> >>  arch/arm/include/asm/firmware.h                    | 30 +++++++++++++
> >>  arch/arm/mach-exynos/Makefile                      |  6 +++
> >>  arch/arm/mach-exynos/common.c                      | 34 ++++++++++++++
> >>  arch/arm/mach-exynos/common.h                      |  2 +
> >>  arch/arm/mach-exynos/exynos-smc.S                  | 22 +++++++++
> >>  arch/arm/mach-exynos/firmware.c                    | 52
> >> ++++++++++++++++++++++ arch/arm/mach-exynos/include/mach/map.h
> >>  |  3 ++
> >>  arch/arm/mach-exynos/mach-exynos4-dt.c             |  1 +
> >>  arch/arm/mach-exynos/platsmp.c                     |  8 ++++
> >>  arch/arm/mach-exynos/smc.h                         | 31 +++++++++++++
> >>  arch/arm/plat-samsung/include/plat/map-s5p.h       |  1 +
> >>  14 files changed, 218 insertions(+)
> >>  create mode 100644 arch/arm/common/firmware.c
> >>  create mode 100644 arch/arm/include/asm/firmware.h
> >>  create mode 100644 arch/arm/mach-exynos/exynos-smc.S
> >>  create mode 100644 arch/arm/mach-exynos/firmware.c
> >>  create mode 100644 arch/arm/mach-exynos/smc.h
> >
> > Any further comments for this series? Maybe we could merge it for 3.7?
> >
> Hi Arnd, Olof,
> Can you merge it for 3.7? If exynos implementation still has issues,
> it's okay only merge firmware implementation.
> 
> Can you give your opinions?

Hi,

There are still a few open questions to resolve on this before I think it
can be merged. And it doesn't make much sense to merge the infrastructure
without at least the first user of it.


-Olof