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/linux/drivers/firmware/meson/
H A Dmeson_sm.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Amlogic Secure Monitor driver
9 #define pr_fmt(fmt) "meson-sm: " fmt
11 #include <linux/arm-smccc.h>
63 const struct meson_sm_cmd *cmd = chip->cmd; in meson_sm_get_cmd()
65 while (cmd->smc_id && cmd->index != cmd_index) in meson_sm_get_cmd()
68 return cmd->smc_id; in meson_sm_get_cmd()
92 * meson_sm_call - generic SMC32 call to the secure-monitor
94 * @fw: Pointer to secure-monitor firmware
111 if (!fw->chip) in meson_sm_call()
[all …]
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # Amlogic Secure Monitor driver
6 tristate "Amlogic Secure Monitor driver"
11 Say y here to enable the Amlogic secure monitor driver
/linux/arch/arm/mach-bcm/
H A Dbcm_kona_smc.c1 // SPDX-License-Identifier: GPL-2.0-only
25 {.compatible = "brcm,kona-smc"},
26 {.compatible = "bcm,kona-smc"}, /* deprecated name */
40 return -ENODEV; in bcm_kona_smc_init()
45 return -EINVAL; in bcm_kona_smc_init()
49 return -ENOMEM; in bcm_kona_smc_init()
52 pr_info("Kona Secure API initialized\n"); in bcm_kona_smc_init()
60 * Only core 0 can run the secure monitor code. If an "smc" request
67 * cache and interrupt handling while the secure monitor executes.
69 * Parameters to the "smc" request are passed in r4-r6 as follows:
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H A Dkona_l2_cache.c1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (C) 2012-2014 Broadcom Corporation
7 #include <asm/hardware/cache-l2x0.h>
19 pr_info("Secure API not available (%d). Skipping L2 init.\n", in kona_l2_cache_init()
26 pr_err("Secure Monitor call failed (%u)! Skipping L2 init.\n", in kona_l2_cache_init()
/linux/include/linux/firmware/intel/
H A Dstratix10-smc.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2017-2018, Intel Corporation
9 #include <linux/arm-smccc.h>
13 * This file defines the Secure Monitor Call (SMC) message protocol used for
14 * service layer driver in normal world (EL1) to communicate with secure
15 * monitor software in Secure Monitor Exception Level 3 (EL3).
17 * This file is shared with secure firmware (FW) which is out of kernel tree.
19 * An ARM SMC instruction takes a function identifier and up to 6 64-bit
20 * register values as arguments, and can return up to 4 64-bit register
21 * value. The operation of the secure monitor is determined by the parameter
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/linux/Documentation/devicetree/bindings/nvmem/
H A Damlogic,meson-gxbb-efuse.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/nvmem/amlogic,meson-gxbb-efuse.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Neil Armstrong <neil.armstrong@linaro.org>
13 - $ref: nvmem.yaml#
14 - $ref: nvmem-deprecated-cells.yaml#
19 - const: amlogic,meson-gxbb-efuse
20 - items:
21 - const: amlogic,meson-gx-efuse
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/linux/drivers/firmware/
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
62 bool "Add firmware-provided memory map to sysfs" if EXPERT
65 Add the firmware-provided (unmodified) memory map to /sys/firmware/memmap.
69 See also Documentation/ABI/testing/sysfs-firmware-memmap.
78 DMI-based module auto-loading.
150 and manages secure monitor call to communicate with secure monitor
151 software at secure monitor exception level.
193 bootloader or kernel can show basic video-output during boot for
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H A Dstratix10-svc.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2017-2018, Intel Corporation
19 #include <linux/firmware/intel/stratix10-smc.h>
20 #include <linux/firmware/intel/stratix10-svc-client.h>
24 * SVC_NUM_DATA_IN_FIFO - number of struct stratix10_svc_data in the FIFO
26 * SVC_NUM_CHANNEL - number of channel supported by service layer driver
28 * FPGA_CONFIG_DATA_CLAIM_TIMEOUT_MS - claim back the submitted buffer(s)
29 * from the secure world for FPGA manager to reuse, or to free the buffer(s)
30 * when all bit-stream data had be send.
32 * FPGA_CONFIG_STATUS_TIMEOUT_SEC - poll the FPGA configuration status,
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/linux/Documentation/devicetree/bindings/firmware/
H A Dintel,stratix10-svc.txt3 Intel Stratix10 SoC is composed of a 64 bit quad-core ARM Cortex A53 hard
4 processor system (HPS) and Secure Device Manager (SDM). When the FPGA is
10 communication with SDM, only the secure world of software (EL3, Exception
18 driver also manages secure monitor call (SMC) to communicate with secure monitor
22 -------------------
26 - compatible: "intel,stratix10-svc" or "intel,agilex-svc"
27 - method: smc or hvc
28 smc - Secure Monitor Call
29 hvc - Hypervisor Call
30 - memory-region:
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H A Damlogic,meson-gxbb-sm.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/firmware/amlogic,meson-gxbb-sm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Amlogic Secure Monitor (SM)
10 In the Amlogic SoCs the Secure Monitor code is used to provide access to the
14 - Neil Armstrong <neil.armstrong@linaro.org>
19 - const: amlogic,meson-gxbb-sm
20 - items:
21 - const: amlogic,meson-gx-sm
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H A Dbrcm,kona-smc.yaml1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/firmware/brcm,kona-smc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom Kona family Secure Monitor bounce buffer
10 A bounce buffer used for non-secure to secure communications.
13 - Florian Fainelli <f.fainelli@gmail.com>
18 - enum:
19 - brcm,bcm11351-smc
20 - brcm,bcm21664-smc
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/linux/arch/arm/mach-omap2/
H A Domap-secure.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * omap-secure.h: OMAP Secure infrastructure header.
15 /* Monitor error code */
23 /* Secure HAL API flags */
30 /* Maximum Secure memory storage size */
35 /* Secure low power HAL API index */
41 /* Secure Monitor mode APIs */
52 /* Secure PPA(Primary Protected Application) APIs */
60 /* Secure RX-51 PPA (Primary Protected Application) APIs */
H A Domap-smc.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * OMAP34xx and OMAP44xx secure APIs file.
15 * This is common routine to manage secure monitor API
16 * used to modify the PL310 secure registers.
18 * the monitor API number. It uses few CPU registers
23 .arch armv7-a
26 stmfd sp!, {r2-r12, lr}
31 ldmfd sp!, {r2-r12, pc}
36 * Low level common routine for secure HAL and PPA APIs.
43 stmfd sp!, {r4-r12, lr}
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H A Dsleep34xx.S1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Karthik Dasu <karthik-dp@ti.com>
9 * Richard Woodruff <r-woodruff2@ti.com>
57 * with non-Thumb-2-capable firmware.
82 * Function to call rom code to save secure ram context.
86 .arch armv7-a
89 stmfd sp!, {r4 - r11, lr} @ save registers on stack
92 mov r12, r0 @ copy secure service ID in r12
98 smc #1 @ call SMI monitor (smi #1)
103 ldmfd sp!, {r4 - r11, pc}
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/linux/Documentation/devicetree/bindings/power/
H A Damlogic,meson-sec-pwrc.yaml1 # SPDX-License-Identifier: (GPL-2.0+ OR MIT)
5 ---
6 $id: http://devicetree.org/schemas/power/amlogic,meson-sec-pwrc.yaml#
7 $schema: http://devicetree.org/meta-schemas/core.yaml#
9 title: Amlogic Meson Secure Power Domains
12 - Jianxin Pan <jianxin.pan@amlogic.com>
15 Secure Power Domains used in Meson A1/C1/S4 & C3/T7 SoCs, and should be the child node
16 of secure-monitor.
21 - amlogic,meson-a1-pwrc
22 - amlogic,meson-s4-pwrc
[all …]
/linux/arch/arm/mach-highbank/
H A Dsmc.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copied from omap44xx-smc.S Copyright (C) 2010 Texas Instruments, Inc.
10 * This is common routine to manage secure monitor API
11 * used to modify the PL310 secure registers.
13 * the monitor API number.
16 .arch armv7-a
19 stmfd sp!, {r4-r11, lr}
24 ldmfd sp!, {r4-r11, pc}
/linux/arch/arm/common/
H A Dsecure_cntvoff.S1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Initialization of CNTVOFF register from secure mode
13 .arch armv7-a
15 * CNTVOFF has to be initialized either from non-secure Hypervisor
16 * mode or secure Monitor mode with SCR.NS==1. If TrustZone is enabled
17 * then it should be handled by the secure code. The CPU must implement
21 mrc p15, 0, r1, c1, c1, 0 /* Get Secure Config */
23 mcr p15, 0, r0, c1, c1, 0 /* Set Non Secure bit */
28 mcr p15, 0, r1, c1, c1, 0 /* Set Secure bit */
/linux/Documentation/devicetree/bindings/arm/
H A Dpmu.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ARM Performance Monitor Units
10 - Mark Rutland <mark.rutland@arm.com>
11 - Will Deacon <will.deacon@arm.com>
16 representation in the device tree should be done as under:-
21 - enum:
22 - apm,potenza-pmu
23 - apple,avalanche-pmu
[all …]
/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.
10 * Tegra-based devices sold on the market are concerned). Such devices can only
12 * SMC calls to the secure monitor. The calls are completely specific to
27 #include <asm/hardware/cache-l2x0.h>
74 struct device_node *np = of_find_compatible_node(NULL, NULL, "tlm,trusted-foundations"); in of_register_trusted_foundations()
/linux/Documentation/devicetree/bindings/arm/amlogic/
H A Damlogic,meson-mx-secbus2.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/arm/amlogic/amlogic,meson-mx-secbus2.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Martin Blumenstingl <martin.blumenstingl@googlemail.com>
14 contains registers for various IP blocks such as pin-controller bits for
16 The registers can be accessed directly when not running in "secure mode".
17 When "secure mode" is enabled then these registers have to be accessed
18 through secure monitor calls.
23 - enum:
[all …]
/linux/drivers/nvmem/
H A Dmeson-efuse.c1 // SPDX-License-Identifier: GPL-2.0-only
11 #include <linux/nvmem-provider.h>
42 { .compatible = "amlogic,meson-gxbb-efuse", },
49 struct device *dev = &pdev->dev; in meson_efuse_probe()
56 of_parse_phandle(pdev->dev.of_node, "secure-monitor", 0); in meson_efuse_probe()
59 dev_err(&pdev->dev, "no secure-monitor node\n"); in meson_efuse_probe()
60 return -ENODEV; in meson_efuse_probe()
65 return -EPROBE_DEFER; in meson_efuse_probe()
73 return -EINVAL; in meson_efuse_probe()
78 return -ENOMEM; in meson_efuse_probe()
[all …]
/linux/Documentation/driver-api/firmware/
H A Dother_interfaces.rst5 --------------
7 .. kernel-doc:: drivers/firmware/dmi_scan.c
11 --------------
13 .. kernel-doc:: drivers/firmware/edd.c
17 -------------------------------------
19 .. kernel-doc:: drivers/firmware/sysfb.c
23 ---------------------------------
25 higher than the kernel is granted. Such secure features include
31 drivers to request access to the secure features. The requests are queued
33 of the requests on to a secure monitor (EL3).
[all …]
/linux/drivers/watchdog/
H A Darm_smc_wdt.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * ARM Secure Monitor Call watchdog driver
10 #include <linux/arm-smccc.h>
45 if (res->a0 == PSCI_RET_NOT_SUPPORTED) in smcwd_call()
46 return -ENODEV; in smcwd_call()
47 if (res->a0 == PSCI_RET_INVALID_PARAMS) in smcwd_call()
48 return -EINVAL; in smcwd_call()
49 if (res->a0 != PSCI_RET_SUCCESS) in smcwd_call()
50 return -EIO; in smcwd_call()
75 wdd->timeout = timeout; in smcwd_set_timeout()
[all …]
/linux/arch/arm64/boot/dts/amlogic/
H A Damlogic-t7.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 #include <dt-bindings/interrupt-controller/arm-gic.h>
7 #include <dt-bindings/power/amlogic,t7-pwrc.h>
8 #include "amlogic-t7-reset.h"
11 interrupt-parent = <&gic>;
12 #address-cells = <2>;
13 #size-cells = <2>;
16 #address-cells = <0x2>;
17 #size-cells = <0x0>;
19 cpu-map {
[all …]
/linux/arch/arm/mach-at91/
H A Dsam_secure.h1 /* SPDX-License-Identifier: GPL-2.0-only */
9 #include <linux/arm-smccc.h>
11 /* Secure Monitor mode APIs */

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