/linux/Documentation/arch/arm/ |
H A D | booting.rst | 9 The following documentation is relevant to 2.4.18-rmk6 and beyond. 11 In order to boot ARM Linux, you require a boot loader, which is a small 12 program that runs before the main kernel. The boot loader is expected 16 Essentially, the boot loader should provide (as a minimum) the 28 --------------------------- 30 Existing boot loaders: 32 New boot loaders: 35 The boot loader is expected to find and initialise all RAM that the 39 the RAM in the machine, or any other method the boot loader designer 44 ----------------------------- [all …]
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/linux/arch/arm64/boot/dts/rockchip/ |
H A D | rk3566-lckfb-tspi.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 3 /dts-v1/; 5 #include <dt-bindings/gpio/gpio.h> 6 #include <dt-bindings/input/input.h> 7 #include <dt-bindings/leds/common.h> 8 #include <dt-bindings/pinctrl/rockchip.h> 9 #include <dt-bindings/soc/rockchip,vop2.h> 10 #include <dt-bindings/soc/rockchip,boot-mode.h> 15 compatible = "lckfb,tspi-rk3566", "rockchip,rk3566"; 24 stdout-path = "serial2:1500000n8"; [all …]
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H A D | rk3568-radxa-cm3i.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 3 #include <dt-bindings/gpio/gpio.h> 4 #include <dt-bindings/leds/common.h> 5 #include <dt-bindings/pinctrl/rockchip.h> 16 stdout-path = "serial2:115200n8"; 19 gpio-leds { 20 compatible = "gpio-leds"; 22 led_user: led-0 { 26 linux,default-trigger = "heartbeat"; 27 pinctrl-names = "default"; [all …]
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H A D | rk3566-radxa-zero-3.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 3 #include <dt-bindings/gpio/gpio.h> 4 #include <dt-bindings/leds/common.h> 5 #include <dt-bindings/soc/rockchip,vop2.h> 10 stdout-path = "serial2:1500000n8"; 13 hdmi-con { 14 compatible = "hdmi-connector"; 19 remote-endpoint = <&hdmi_out_con>; 25 compatible = "gpio-leds"; 26 pinctrl-names = "default"; [all …]
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H A D | rk3399-rock-4c-plus.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 8 /dts-v1/; 9 #include <dt-bindings/leds/common.h> 10 #include "rk3399-t.dtsi" 14 compatible = "radxa,rock-4c-plus", "rockchip,rk3399"; 23 stdout-path = "serial2:1500000n8"; 26 clkin_gmac: external-gmac-clock { 27 compatible = "fixed-clock"; 28 clock-frequency = <125000000>; 29 clock-output-names = "clkin_gmac"; [all …]
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H A D | rk3566-anbernic-rgxx3.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 3 /dts-v1/; 5 #include <dt-bindings/gpio/gpio.h> 6 #include <dt-bindings/input/linux-event-codes.h> 7 #include <dt-bindings/leds/common.h> 8 #include <dt-bindings/pinctrl/rockchip.h> 9 #include <dt-bindings/soc/rockchip,vop2.h> 13 chassis-type = "handset"; 16 stdout-path = "serial2:1500000n8"; 19 adc_keys: adc-keys { [all …]
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H A D | rk3568-rock-3b.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 3 /dts-v1/; 5 #include <dt-bindings/gpio/gpio.h> 6 #include <dt-bindings/leds/common.h> 7 #include <dt-bindings/pinctrl/rockchip.h> 8 #include <dt-bindings/soc/rockchip,vop2.h> 13 compatible = "radxa,rock-3b", "rockchip,rk3568"; 24 stdout-path = "serial2:1500000n8"; 27 hdmi-con { 28 compatible = "hdmi-connector"; [all …]
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H A D | rk3568-odroid-m1.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 7 /dts-v1/; 8 #include <dt-bindings/gpio/gpio.h> 9 #include <dt-bindings/leds/common.h> 10 #include <dt-bindings/pinctrl/rockchip.h> 11 #include <dt-bindings/soc/rockchip,vop2.h> 15 model = "Hardkernel ODROID-M1"; 16 compatible = "hardkernel,odroid-m1", "rockchip,rk3568"; 29 stdout-path = "serial2:1500000n8"; 32 dc_12v: regulator-dc-12v { [all …]
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/linux/arch/arm/boot/dts/samsung/ |
H A D | exynos4412-itop-scp-core.dtsi | 1 // SPDX-License-Identifier: GPL-2.0 13 #include <dt-bindings/clock/samsung,s2mps11.h> 14 #include <dt-bindings/gpio/gpio.h> 15 #include <dt-bindings/input/input.h> 17 #include "exynos4412-ppmu-common.dtsi" 18 #include "exynos-mfc-reserved-memory.dtsi" 31 compatible = "samsung,secure-firmware"; 35 fixed-rate-clocks { 37 compatible = "samsung,clock-xxti"; 38 clock-frequency = <0>; [all …]
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H A D | exynos4412-origen.dts | 1 // SPDX-License-Identifier: GPL-2.0 5 * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd. 12 /dts-v1/; 14 #include <dt-bindings/clock/samsung,s2mps11.h> 15 #include <dt-bindings/gpio/gpio.h> 16 #include <dt-bindings/input/input.h> 17 #include "exynos-mfc-reserved-memory.dtsi" 34 stdout-path = "serial2:115200n8"; 38 compatible = "samsung,secure-firmware"; 42 mmc_reg: regulator-0 { [all …]
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/linux/Documentation/fb/ |
H A D | vesafb.rst | 7 The idea is simple: Turn on graphics mode at boot time with the help 11 This means we decide at boot time whenever we want to run in text or 12 graphics mode. Switching mode later on (in protected mode) is 13 impossible; BIOS calls work in real mode only. VESA BIOS Extensions 20 * You can run XF68_FBDev on top of /dev/fb0 (=> non-accelerated X11 22 * Most important: boot logo :-) 26 * graphic mode is slower than text mode... 32 Switching modes is done using the vga=... boot parameter. Read 33 Documentation/admin-guide/svga.rst for details. 35 You should compile in both vgacon (for text mode) and vesafb (for [all …]
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/linux/arch/arm/kernel/ |
H A D | hyp-stub.S | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 7 #include <linux/irqchip/arm-gic-v3.h> 12 .arch armv7-a 16 * For the kernel proper, we need to find out the CPU boot mode long after 17 * boot, so we need to store it in a writable variable. 19 * This is not in .bss, because we set it sufficiently early that the boot-time 29 * Save the primary CPU boot mode. Requires 2 scratch registers. 38 * Compare the current mode with the one saved on the primary CPU. 43 .macro compare_cpu_mode_with_primary mode, reg1, reg2 46 cmp \mode, \reg1 @ matches primary CPU boot mode? [all …]
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/linux/drivers/platform/mellanox/ |
H A D | mlxbf-bootctl.h | 1 /* SPDX-License-Identifier: GPL-2.0 */ 10 * Request that the on-chip watchdog be enabled, or disabled, after 12 * status of the on-chip watchdog. If non-zero, the argument 14 * will not be enabled after the next soft reset. Non-zero errors are 20 * Query the status which has been requested for the on-chip watchdog 27 * Request that a specific boot action be taken at the next soft 28 * reset. By default, the boot action is set by external chip pins, 29 * which are sampled on hard reset. Note that the boot action 33 * values. Non-zero errors are returned as documented below. 38 * Return the specific boot action which will be taken at the next [all …]
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/linux/drivers/firmware/efi/libstub/ |
H A D | secureboot.c | 1 // SPDX-License-Identifier: GPL-2.0 3 * Secure boot handling. 26 * Determine whether we're in secure boot mode. 32 enum efi_secureboot_mode mode; in efi_get_secureboot() local 36 mode = efi_get_secureboot_mode(get_var); in efi_get_secureboot() 37 if (mode == efi_secureboot_mode_unknown) { in efi_get_secureboot() 38 efi_err("Could not determine UEFI Secure Boot status.\n"); in efi_get_secureboot() 41 if (mode != efi_secureboot_mode_enabled) in efi_get_secureboot() 42 return mode; in efi_get_secureboot() 45 * See if a user has put the shim into insecure mode. If so, and if the in efi_get_secureboot() [all …]
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/linux/tools/power/pm-graph/ |
H A D | bootgraph.8 | 3 bootgraph \- Kernel boot timing analysis 10 \fBbootgraph \fP reads the dmesg log from kernel boot and 13 timeline is split into two phases: kernel mode & user mode. kernel mode 15 Once user mode begins, the init process is called, and the init calls 24 Generates output files in subdirectory: boot-yymmdd-HHMMSS 30 \fB-h\fR 33 \fB-v\fR 36 \fB-addlogs\fR 40 \fB-result \fIfile\fR 43 \fB-o \fIname\fR [all …]
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/linux/arch/arm64/boot/dts/marvell/ |
H A D | armada-3720-turris-mox.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 7 /dts-v1/; 9 #include <dt-bindings/bus/moxtet.h> 10 #include <dt-bindings/gpio/gpio.h> 11 #include <dt-bindings/input/input.h> 12 #include "armada-372x.dtsi" 16 compatible = "cznic,turris-mox", "marvell,armada3720", 28 stdout-path = "serial0:115200n8"; 37 compatible = "gpio-leds"; 41 linux,default-trigger = "default-on"; [all …]
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/linux/Documentation/devicetree/bindings/mtd/ |
H A D | amlogic,meson-nand.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/mtd/amlogic,meson-nand.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - $ref: nand-controller.yaml 13 - liang.yang@amlogic.com 18 - amlogic,meson-gxl-nfc 19 - amlogic,meson-axg-nfc 24 reg-names: 26 - const: nfc [all …]
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/linux/Documentation/arch/arm/samsung/ |
H A D | bootloader-interface.rst | 2 Interface between kernel and boot loaders on Exynos boards 10 and boot loaders on Samsung Exynos based boards. This is not a definition 14 In the document "boot loader" means any of following: U-boot, proprietary 19 1. Non-Secure mode 28 0x1c exynos4_secondary_startup Secondary CPU boot 29 0x1c + 4*cpu exynos4_secondary_startup (Exynos4412) Secondary CPU boot 37 2. Secure mode 44 0x00 exynos4_secondary_startup Secondary CPU boot 45 0x04 exynos4_secondary_startup (Exynos542x) Secondary CPU boot 46 4*cpu exynos4_secondary_startup (Exynos4412) Secondary CPU boot [all …]
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/linux/Documentation/devicetree/bindings/regulator/ |
H A D | richtek,rt5190a-regulator.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 3 --- 4 $id: http://devicetree.org/schemas/regulator/richtek,rt5190a-regulator.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - ChiYuan Huang <cy_huang@richtek.com> 23 - richtek,rt5190a 31 vin2-supply: 34 vin3-supply: 37 vin4-supply: 40 vinldo-supply: [all …]
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/linux/arch/arm/boot/dts/marvell/ |
H A D | kirkwood-net5big.dts | 1 // SPDX-License-Identifier: GPL-2.0 9 * Based on netxbig_v2-setup.c, 14 /dts-v1/; 17 #include "kirkwood-6281.dtsi" 18 #include "kirkwood-netxbig.dtsi" 22 compatible = "lacie,net5big_v2", "lacie,netxbig", "marvell,kirkwood-88f6281", "marvell,kirkwood"; 33 compatible = "regulator-fixed"; 35 regulator-name = "hdd1power"; 36 regulator-min-microvolt = <5000000>; 37 regulator-max-microvolt = <5000000>; [all …]
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/linux/Documentation/timers/ |
H A D | no_hz.rst | 2 NO_HZ: Reducing Scheduling-Clock Ticks 6 This document describes Kconfig options and boot parameters that can 7 reduce the number of scheduling-clock interrupts, thereby improving energy 9 some types of computationally intensive high-performance computing (HPC) 10 applications and for real-time applications. 12 There are three main ways of managing scheduling-clock interrupts 13 (also known as "scheduling-clock ticks" or simply "ticks"): 15 1. Never omit scheduling-clock ticks (CONFIG_HZ_PERIODIC=y or 16 CONFIG_NO_HZ=n for older kernels). You normally will -not- 19 2. Omit scheduling-clock ticks on idle CPUs (CONFIG_NO_HZ_IDLE=y or [all …]
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/linux/Documentation/admin-guide/ |
H A D | svga.rst | 4 Video Mode Selection Support 2.13 7 :Copyright: |copy| 1995--1999 Martin Mares, <mj@ucw.cz> 12 This small document describes the "Video Mode Selection" feature which 14 to usage of the BIOS, the selection is limited to boot time (before the 21 enter ``scan`` on the video mode prompt, pick the mode you want to use, 22 remember its mode ID (the four-digit hexadecimal number) and then 25 The video mode to be used is selected by a kernel parameter which can be 27 option of LILO (or some other boot loader you use) or by the "xrandr" utility 31 NORMAL_VGA - Standard 80x25 mode available on all display adapters. 33 EXTENDED_VGA - Standard 8-pixel font mode: 80x43 on EGA, 80x50 on VGA. [all …]
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/linux/arch/sparc/include/asm/ |
H A D | viking.h | 1 /* SPDX-License-Identifier: GPL-2.0 */ 18 * ----------------------------------------------------------- 19 * |impl-vers| RSV |TC|AC|SP|BM|PC|MBM|SB|IC|DC|PSO|RSV|NF|ME| 20 * ----------------------------------------------------------- 21 * 31 24 23-17 16 15 14 13 12 11 10 9 8 7 6-2 1 0 23 * TC: Tablewalk Cacheable -- 0 = Twalks are not cacheable in E-cache 24 * 1 = Twalks are cacheable in E-cache 26 * GNU/Viking will only cache tablewalks in the E-cache (mxcc) if present 28 * for machines lacking an E-cache (ie. in MBUS mode) this bit must 31 * AC: Alternate Cacheable -- 0 = Passthru physical accesses not cacheable [all …]
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/linux/arch/x86/boot/ |
H A D | main.c | 1 // SPDX-License-Identifier: GPL-2.0-only 2 /* -*- linux-c -*- ------------------------------------------------------- * 5 * Copyright 2007 rPath, Inc. - All Rights Reserved 8 * ----------------------------------------------------------------------- */ 11 * Main module for the real-mode kernel code 15 #include "boot.h" 26 * Copy the header into the boot parameter block. Since this 27 * screws up the old-style command line protocol, adjust by 28 * filling in the new-style command line pointer instead. 41 if (!boot_params.hdr.cmd_line_ptr && oldcmd->cl_magic == OLD_CL_MAGIC) { in copy_boot_params() [all …]
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/linux/arch/arm/boot/dts/rockchip/ |
H A D | rv1126-sonoff-ihost.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 16 stdout-path = "serial2:1500000n8"; 19 vcc5v0_sys: regulator-vcc5v0-sys { 20 compatible = "regulator-fixed"; 21 regulator-name = "vcc5v0_sys"; 22 regulator-always-on; 23 regulator-boot-on; 24 regulator-min-microvolt = <5000000>; 25 regulator-max-microvolt = <5000000>; 28 sdio_pwrseq: pwrseq-sdio { [all …]
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