ARM: tegra: support for Trusted Foundations

This is the long-overdue third version of this series, hopefully addressing the 
suggestions received in v2.

Since I could confirm that the SMC interface used by Trusted Foundations is not 
Tegra-specific, I have moved core TF support into arch/arm/firmware as a 
proposal to consolidate all implementations of Tomasz Figa's firmware interface 
into that directory.

Changes from v2:
- Moved core TF support into arch/arm/firmware
- Added TF version number in DT bindings
- Cleaned TF registration code
- Tegra kernel now fails if TF is declared in the device tree but support
  is not compiled in
- Tegra kernel now fails if attempt to set CPU reset vector through secure
  monitor returned an error
- Moved update to tegra_defconfig into its own patch

Alexandre Courbot (5):
  ARM: add basic Trusted Foundations support
  ARM: tegra: add support for Trusted Foundations
  ARM: tegra: split setting of CPU reset handler
  ARM: tegra: set CPU reset handler with firmware op
  ARM: tegra: support Trusted Foundations by default

 .../arm/firmware/tl,trusted-foundations.txt        | 16 ++++++
 Documentation/devicetree/bindings/arm/tegra.txt    |  5 ++
 .../devicetree/bindings/vendor-prefixes.txt        |  1 +
 arch/arm/Kconfig                                   |  2 +
 arch/arm/Makefile                                  |  1 +
 arch/arm/configs/tegra_defconfig                   |  1 +
 arch/arm/firmware/Kconfig                          | 22 ++++++++
 arch/arm/firmware/Makefile                         |  1 +
 arch/arm/firmware/trusted_foundations.c            | 58 ++++++++++++++++++++++
 arch/arm/include/asm/trusted_foundations.h         | 36 ++++++++++++++
 arch/arm/mach-tegra/Kconfig                        |  1 +
 arch/arm/mach-tegra/Makefile                       |  1 +
 arch/arm/mach-tegra/common.c                       |  2 +
 arch/arm/mach-tegra/firmware.c                     | 41 +++++++++++++++
 arch/arm/mach-tegra/firmware.h                     | 19 +++++++
 arch/arm/mach-tegra/reset.c                        | 40 +++++++++++----
 16 files changed, 236 insertions(+), 11 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/arm/firmware/tl,trusted-foundations.txt
 create mode 100644 arch/arm/firmware/Kconfig
 create mode 100644 arch/arm/firmware/Makefile
 create mode 100644 arch/arm/firmware/trusted_foundations.c
 create mode 100644 arch/arm/include/asm/trusted_foundations.h
 create mode 100644 arch/arm/mach-tegra/firmware.c
 create mode 100644 arch/arm/mach-tegra/firmware.h

-- 
1.8.3.4

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