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/linux/Documentation/devicetree/bindings/arm/firmware/
H A Dtlm,trusted-foundations.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/arm/firmware/tlm,trusted-foundations.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Trusted Foundations
10 Boards that use the Trusted Foundations secure monitor can signal its
14 - Stephen Warren <swarren@nvidia.com>
18 const: trusted-foundations
21 const: tlm,trusted-foundations
23 tlm,version-major:
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/linux/include/linux/firmware/
H A Dtrusted_foundations.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
7 * Support for the Trusted Foundations secure monitor.
9 * Trusted Foundation comes active on some ARM consumer devices (most
10 * Tegra-based devices sold on the market are concerned). Such devices can only
13 * Trusted Foundations, and do *not* follow the SMC calling convention or the
27 #include <asm/hardware/cache-l2x0.h>
60 pr_err("No support for Trusted Foundations, continuing in degraded mode.\n"); in register_trusted_foundations()
74 struct device_node *np = of_find_compatible_node(NULL, NULL, "tlm,trusted-foundations"); in of_register_trusted_foundations()
/linux/drivers/firmware/
H A Dtrusted_foundations.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Trusted Foundations support for ARM CPUs
15 #include <asm/hardware/cache-l2x0.h>
44 "stmfd sp!, {r4 - r11}\n\t" in tf_generic_smc()
51 "ldmfd sp!, {r4 - r11}\n\t" in tf_generic_smc()
94 return -EINVAL; in tf_prepare_idle()
166 node = of_find_compatible_node(NULL, NULL, "tlm,trusted-foundations"); in of_register_trusted_foundations()
170 err = of_property_read_u32(node, "tlm,version-major", in of_register_trusted_foundations()
173 panic("Trusted Foundation: missing version-major property\n"); in of_register_trusted_foundations()
174 err = of_property_read_u32(node, "tlm,version-minor", in of_register_trusted_foundations()
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
4 # see Documentation/kbuild/kconfig-language.rst.
19 provides a mechanism for inter-processor communication between SCP
61 bool "Add firmware-provided memory map to sysfs" if EXPERT
64 Add the firmware-provided (unmodified) memory map to /sys/firmware/memmap.
68 See also Documentation/ABI/testing/sysfs-firmware-memmap.
77 DMI-based module auto-loading.
192 bootloader or kernel can show basic video-output during boot for
193 user-guidance and debugging. Historically, x86 used the VESA BIOS
194 Extensions and EFI-framebuffers for this, which are mostly limited
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/linux/arch/arm/mach-tegra/
H A Dreset-handler.S1 /* SPDX-License-Identifier: GPL-2.0-only */
13 #include <asm/asm-offsets.h>
22 .arch armv7-a
30 * re-enabling sdram.
74 /* L2 cache resume & re-enable */
88 * Trusted Foundations firmware initialization.
94 /* Check whether Trusted Foundations firmware presents. */
106 * r0=3 for the wake-up notification.
135 * must be position-independent.
156 # Tegra20 is a Cortex-A9 r1p1
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H A Dpm.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2009-2012, NVIDIA Corporation. All rights reserved.
29 #include <asm/proc-fns.h>
141 if (tegra_cpu_car_ops->rail_off_ready && in tegra_sleep_cpu()
143 return -EBUSY; in tegra_sleep_cpu()
148 * MMU-on if cache maintenance is done via Trusted Foundations in tegra_sleep_cpu()
150 * if any of secondary CPU's is online and this is the LP2-idle in tegra_sleep_cpu()
151 * code-path only for Tegra20/30. in tegra_sleep_cpu()
162 * 2) Disable D-cache. This need to be taken into account in in tegra_sleep_cpu()
164 * shall avoid the re-disable. in tegra_sleep_cpu()
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/linux/arch/arm/boot/dts/nvidia/
H A Dtegra114-tn7.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/input.h>
15 linux,initrd-start = <0x82000000>;
16 linux,initrd-end = <0x82800000>;
24 trusted-foundations {
25 compatible = "tlm,trusted-foundations";
26 tlm,version-major = <2>;
27 tlm,version-minor = <8>;
40 avdd-dsi-csi-supply = <&vdd_1v2_ap>;
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H A Dtegra114-roth.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/input.h>
15 linux,initrd-start = <0x82000000>;
16 linux,initrd-end = <0x82800000>;
24 trusted-foundations {
25 compatible = "tlm,trusted-foundations";
26 tlm,version-major = <2>;
27 tlm,version-minor = <8>;
40 avdd-dsi-csi-supply = <&vdd_1v2_ap>;
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H A Dtegra30-asus-nexus7-grouper-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/input/gpio-keys.h>
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/power/summit,smb347-charger.h>
6 #include <dt-bindings/thermal/thermal.h>
9 #include "tegra30-cpu-opp.dtsi"
10 #include "tegra30-cpu-opp-microvolt.dtsi"
11 #include "tegra30-asus-lvds-display.dtsi"
27 * pre-existing /chosen node to be available to insert the
33 trusted-foundations {
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H A Dtegra30-asus-transformer-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/input/gpio-keys.h>
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/thermal/thermal.h>
8 #include "tegra30-cpu-opp.dtsi"
9 #include "tegra30-cpu-opp-microvolt.dtsi"
12 chassis-type = "convertible";
31 * pre-existing /chosen node to be available to insert the
37 trusted-foundations {
38 compatible = "tlm,trusted-foundations";
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H A Dtegra30-lg-x3.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/input/gpio-keys.h>
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/leds/common.h>
6 #include <dt-bindings/mfd/max77620.h>
7 #include <dt-bindings/thermal/thermal.h>
10 #include "tegra30-cpu-opp.dtsi"
11 #include "tegra30-cpu-opp-microvolt.dtsi"
14 chassis-type = "handset";
30 * pre-existing /chosen node to be available to insert the
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H A Dtegra114-asus-tf701t.dts1 // SPDX-License-Identifier: GPL-2.0
3 /dts-v1/;
5 #include <dt-bindings/input/gpio-keys.h>
6 #include <dt-bindings/input/input.h>
13 chassis-type = "convertible";
29 trusted-foundations {
30 compatible = "tlm,trusted-foundations";
31 tlm,version-major = <2>;
32 tlm,version-minor = <8>;
40 reserved-memory {
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H A Dtegra30-asus-p1801-t.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/gpio-keys.h>
5 #include <dt-bindings/input/input.h>
6 #include <dt-bindings/thermal/thermal.h>
9 #include "tegra30-cpu-opp.dtsi"
10 #include "tegra30-cpu-opp-microvolt.dtsi"
13 model = "Asus Portable AiO P1801-T";
14 compatible = "asus,p1801-t", "nvidia,tegra30";
15 chassis-type = "convertible";
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H A Dtegra30-pegatron-chagall.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/gpio-keys.h>
5 #include <dt-bindings/input/input.h>
6 #include <dt-bindings/thermal/thermal.h>
9 #include "tegra30-cpu-opp.dtsi"
10 #include "tegra30-cpu-opp-microvolt.dtsi"
11 #include "tegra30-asus-lvds-display.dtsi"
16 chassis-type = "tablet";
35 * pre-existing /chosen node to be available to insert the
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H A Dtegra30-ouya.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/gpio-keys.h>
5 #include <dt-bindings/input/input.h>
6 #include <dt-bindings/thermal/thermal.h>
9 #include "tegra30-cpu-opp.dtsi"
10 #include "tegra30-cpu-opp-microvolt.dtsi"
26 stdout-path = "serial0:115200n8";
30 trusted-foundations {
31 compatible = "tlm,trusted-foundations";
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