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author | Thierry Reding <treding@nvidia.com> | 2019-04-10 10:47:28 +0200 |
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committer | Thierry Reding <treding@nvidia.com> | 2019-04-17 16:43:03 +0200 |
commit | 4cb5d9eca143f7fbf8cc457be19a91914f978a00 (patch) | |
tree | e89f60dfe3c393a27b65a07cd46a8f7e0e24758a /drivers/firmware/Kconfig | |
parent | c8e7755ec62b47482d2f1343d5db3a95f807a73f (diff) | |
download | linux-4cb5d9eca143f7fbf8cc457be19a91914f978a00.tar.gz linux-4cb5d9eca143f7fbf8cc457be19a91914f978a00.tar.bz2 linux-4cb5d9eca143f7fbf8cc457be19a91914f978a00.zip |
firmware: Move Trusted Foundations support
Move the Trusted Foundations support out of arch/arm/firmware and into
drivers/firmware where most other firmware support implementations are
located.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/firmware/Kconfig')
-rw-r--r-- | drivers/firmware/Kconfig | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index cac16c4b0df3..f0646ac75868 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -267,6 +267,22 @@ config TI_SCI_PROTOCOL This protocol library is used by client drivers to use the features provided by the system controller. +config TRUSTED_FOUNDATIONS + bool "Trusted Foundations secure monitor support" + depends on ARM + help + Some devices (including most early Tegra-based consumer devices on + the market) are booted with the Trusted Foundations secure monitor + active, requiring some core operations to be performed by the secure + monitor instead of the kernel. + + This option allows the kernel to invoke the secure monitor whenever + required on devices using Trusted Foundations. See the functions and + comments in linux/firmware/trusted_foundations.h or the device tree + bindings for "tlm,trusted-foundations" for details on how to use it. + + Choose N if you don't know what this is about. + config HAVE_ARM_SMCCC bool |