Register the firmware operations for Trusted Foundations if the device
tree indicates it is active on the device.
Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
Reviewed-by: Tomasz Figa <t.figa@xxxxxxxxxxx>
Reviewed-by: Stephen Warren <swarren@xxxxxxxxxx>
---
Documentation/devicetree/bindings/arm/tegra.txt | 5 +++++
arch/arm/mach-tegra/Kconfig | 1 +
arch/arm/mach-tegra/common.c | 2 ++
3 files changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/tegra.txt b/Documentation/devicetree/bindings/arm/tegra.txt
index ed9c853..8e51884 100644
--- a/Documentation/devicetree/bindings/arm/tegra.txt
+++ b/Documentation/devicetree/bindings/arm/tegra.txt
@@ -32,3 +32,8 @@ board-specific compatible values:
nvidia,whistler
toradex,colibri_t20-512
toradex,iris
+
+Trusted Foundations
+-------------------------------------------
+Tegra supports the Trusted Foundation secure monitor. See the
+"tl,trusted-foundations" binding's documentation for more details.
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 67a76f2..4e51278 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -2,6 +2,7 @@ config ARCH_TEGRA
bool "NVIDIA Tegra" if ARCH_MULTI_V7
select ARCH_HAS_CPUFREQ
select ARCH_REQUIRE_GPIOLIB
+ select ARCH_SUPPORTS_TRUSTED_FOUNDATIONS
select ARM_GIC
select CLKDEV_LOOKUP
select CLKSRC_MMIO
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c
index 94a119a..b405e45 100644
--- a/arch/arm/mach-tegra/common.c
+++ b/arch/arm/mach-tegra/common.c
@@ -27,6 +27,7 @@
#include <linux/clk-provider.h>
#include <asm/hardware/cache-l2x0.h>
+#include <asm/trusted_foundations.h>
#include "board.h"
#include "common.h"
@@ -99,6 +100,7 @@ static void __init tegra_init_cache(void)
void __init tegra_init_early(void)
{
+ of_register_trusted_foundations();
tegra_cpu_reset_handler_init();
tegra_apb_io_init();
tegra_init_fuse();
--
1.8.4
--
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