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source | linux | ===================================
pNFS block layout server user guide
===================================
The Linux NFS server now supports the pNFS block layout extension. In this
case the NFS server acts as Metadata Server (MDS) for pNFS, which in addition
to handling all the metadata access to the NFS export als... | Documentation/admin-guide/nfs/pnfs-block-server.rst | null | null | null | null | null |
source | linux | ==================================
pNFS SCSI layout server user guide
==================================
This document describes support for pNFS SCSI layouts in the Linux NFS server.
With pNFS SCSI layouts, the NFS server acts as Metadata Server (MDS) for pNFS,
which in addition to handling all the metadata access to... | Documentation/admin-guide/nfs/pnfs-scsi-server.rst | null | null | null | null | null |
source | linux | =============================================================
Alibaba's T-Head SoC Uncore Performance Monitoring Unit (PMU)
=============================================================
The Yitian 710, custom-built by Alibaba Group's chip development business,
T-Head, implements uncore PMU for performance and function... | Documentation/admin-guide/perf/alibaba_pmu.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
============================================
Ampere SoC Performance Monitoring Unit (PMU)
============================================
Ampere SoC PMU is a generic PMU IP that follows Arm CoreSight PMU architecture.
Therefore, the driver is implemented as a submodule of arm_cspmu dr... | Documentation/admin-guide/perf/ampere_cspmu.rst | null | null | null | null | null |
source | linux | ==========================
ARM Cache Coherent Network
==========================
CCN-504 is a ring-bus interconnect consisting of 11 crosspoints
(XPs), with each crosspoint supporting up to two device ports,
so nodes (devices) 0 and 1 are connected to crosspoint 0,
nodes 2 and 3 to crosspoint 1 etc.
PMU (perf) driver... | Documentation/admin-guide/perf/arm-ccn.rst | null | null | null | null | null |
source | linux | =============================
Arm Coherent Mesh Network PMU
=============================
CMN-600 is a configurable mesh interconnect consisting of a rectangular
grid of crosspoints (XPs), with each crosspoint supporting up to two
device ports to which various AMBA CHI agents are attached.
CMN implements a distribute... | Documentation/admin-guide/perf/arm-cmn.rst | null | null | null | null | null |
source | linux | ====================================
Arm Network-on Chip Interconnect PMU
====================================
NI-700 and friends implement a distinct PMU for each clock domain within the
interconnect. Correspondingly, the driver exposes multiple PMU devices named
arm_ni_<x>_cd_<y>, where <x> is an (arbitrary) instanc... | Documentation/admin-guide/perf/arm-ni.rst | null | null | null | null | null |
source | linux | ==================================
ARM DynamIQ Shared Unit (DSU) PMU
==================================
ARM DynamIQ Shared Unit integrates one or more cores with an L3 memory system,
control logic and external interfaces to form a multicore cluster. The PMU
allows counting the various events related to the L3 cache, S... | Documentation/admin-guide/perf/arm_dsu_pmu.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
======================================
CXL Performance Monitoring Unit (CPMU)
======================================
The CXL rev 3.0 specification provides a definition of CXL Performance
Monitoring Unit in section 13.2: Performance Monitoring.
CXL components (e.g. Root Port, Swit... | Documentation/admin-guide/perf/cxl.rst | null | null | null | null | null |
source | linux | ======================================================================
Synopsys DesignWare Cores (DWC) PCIe Performance Monitoring Unit (PMU)
======================================================================
DesignWare Cores (DWC) PCIe PMU
===============================
The PMU is a PCIe configuration space reg... | Documentation/admin-guide/perf/dwc_pcie_pmu.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
================================================
Fujitsu Uncore Performance Monitoring Unit (PMU)
================================================
This driver supports the Uncore MAC PMUs and the Uncore PCI PMUs found
in Fujitsu chips.
Each MAC PMU on these chips is exposed as... | Documentation/admin-guide/perf/fujitsu_uncore_pmu.rst | null | null | null | null | null |
source | linux | ================================================
HiSilicon PCIe Performance Monitoring Unit (PMU)
================================================
On Hip09, HiSilicon PCIe Performance Monitoring Unit (PMU) could monitor
bandwidth, latency, bus utilization and buffer occupancy data of PCIe.
Each PCIe Core has a PMU to... | Documentation/admin-guide/perf/hisi-pcie-pmu.rst | null | null | null | null | null |
source | linux | ======================================================
HiSilicon SoC uncore Performance Monitoring Unit (PMU)
======================================================
The HiSilicon SoC chip includes various independent system device PMUs
such as L3 cache (L3C), Hydra Home Agent (HHA) and DDRC. These PMUs are
independent... | Documentation/admin-guide/perf/hisi-pmu.rst | null | null | null | null | null |
source | linux | ======================================
HNS3 Performance Monitoring Unit (PMU)
======================================
HNS3(HiSilicon network system 3) Performance Monitoring Unit (PMU) is an
End Point device to collect performance statistics of HiSilicon SoC NIC.
On Hip09, each SICL(Super I/O cluster) has one PMU devic... | Documentation/admin-guide/perf/hns3-pmu.rst | null | null | null | null | null |
source | linux | =====================================================
Freescale i.MX8 DDR Performance Monitoring Unit (PMU)
=====================================================
There are no performance counters inside the DRAM controller, so performance
signals are brought out to the edge of the controller where a set of 4 x 32 bit
... | Documentation/admin-guide/perf/imx-ddr.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
===========================
Performance monitor support
===========================
.. toctree::
:maxdepth: 1
hisi-pmu
hisi-pcie-pmu
hns3-pmu
imx-ddr
qcom_l2_pmu
qcom_l3_pmu
starfive_starlink_pmu
mrvl-odyssey-ddr-pmu
mrvl-odyssey-tad-pmu
arm-ccn
... | Documentation/admin-guide/perf/index.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
===========================================================
Amlogic SoC DDR Bandwidth Performance Monitoring Unit (PMU)
===========================================================
The Amlogic Meson G12 SoC contains a bandwidth monitor inside DRAM controller.
The monitor includes 4 ... | Documentation/admin-guide/perf/meson-ddr-pmu.rst | null | null | null | null | null |
source | linux | ===================================================================
Marvell Odyssey DDR PMU Performance Monitoring Unit (PMU UNCORE)
===================================================================
Odyssey DRAM Subsystem supports eight counters for monitoring performance
and software can program those counters to m... | Documentation/admin-guide/perf/mrvl-odyssey-ddr-pmu.rst | null | null | null | null | null |
source | linux | ====================================================================
Marvell Odyssey LLC-TAD Performance Monitoring Unit (PMU UNCORE)
====================================================================
Each TAD provides eight 64-bit counters for monitoring
cache behavior.The driver always configures the same counter ... | Documentation/admin-guide/perf/mrvl-odyssey-tad-pmu.rst | null | null | null | null | null |
source | linux | =================================================================
Marvell Odyssey PEM Performance Monitoring Unit (PMU UNCORE)
=================================================================
The PCI Express Interface Units(PEM) are associated with a corresponding
monitoring unit. This includes performance counters t... | Documentation/admin-guide/perf/mrvl-pem-pmu.rst | null | null | null | null | null |
source | linux | =========================================================
NVIDIA Tegra SoC Uncore Performance Monitoring Unit (PMU)
=========================================================
The NVIDIA Tegra SoC includes various system PMUs to measure key performance
metrics like memory bandwidth, latency, and utilization:
* Scalable... | Documentation/admin-guide/perf/nvidia-pmu.rst | null | null | null | null | null |
source | linux | =====================================================================
Qualcomm Technologies Level-2 Cache Performance Monitoring Unit (PMU)
=====================================================================
This driver supports the L2 cache clusters found in Qualcomm Technologies
Centriq SoCs. There are multiple ph... | Documentation/admin-guide/perf/qcom_l2_pmu.rst | null | null | null | null | null |
source | linux | ===========================================================================
Qualcomm Datacenter Technologies L3 Cache Performance Monitoring Unit (PMU)
===========================================================================
This driver supports the L3 cache PMUs found in Qualcomm Datacenter Technologies
Centriq So... | Documentation/admin-guide/perf/qcom_l3_pmu.rst | null | null | null | null | null |
source | linux | ================================================
StarFive StarLink Performance Monitor Unit (PMU)
================================================
StarFive StarLink Performance Monitor Unit (PMU) exists within the
StarLink Coherent Network on Chip (CNoC) that connects multiple CPU
clusters with an L3 memory system.
T... | Documentation/admin-guide/perf/starfive_starlink_pmu.rst | null | null | null | null | null |
source | linux | =============================================================
Cavium ThunderX2 SoC Performance Monitoring Unit (PMU UNCORE)
=============================================================
The ThunderX2 SoC PMU consists of independent, system-wide, per-socket
PMUs such as the Level 3 Cache (L3C), DDR4 Memory Controller (... | Documentation/admin-guide/perf/thunderx2-pmu.rst | null | null | null | null | null |
source | linux | ================================================
APM X-Gene SoC Performance Monitoring Unit (PMU)
================================================
X-Gene SoC PMU consists of various independent system device PMUs such as
L3 cache(s), I/O bridge(s), memory controller bridge(s) and memory
controller(s). These PMU device... | Documentation/admin-guide/perf/xgene-pmu.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
===============================================
``amd-pstate`` CPU Performance Scaling Driver
===============================================
:Copyright: |copy| 2021 Advanced Micro Devices, Inc.
:Author: Huang Rui <ray.huang@amd.com>
Introduction
======... | Documentation/admin-guide/pm/amd-pstate.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
.. |intel_pstate| replace:: :doc:`intel_pstate <intel_pstate>`
=======================
CPU Performance Scaling
=======================
:Copyright: |copy| 2017 Intel Corporation
:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The Concept of CPU ... | Documentation/admin-guide/pm/cpufreq.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
=======================================================
Legacy Documentation of CPU Performance Scaling Drivers
=======================================================
Included below are historic documents describing assorted
:doc:`CPU performance scaling <cpufreq>` drivers. They ... | Documentation/admin-guide/pm/cpufreq_drivers.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
.. |struct cpuidle_state| replace:: :c:type:`struct cpuidle_state <cpuidle_state>`
.. |cpufreq| replace:: :doc:`CPU Performance Scaling <cpufreq>`
========================
CPU Idle Time Management
========================
:Copyright: |copy| 2018 Intel Cor... | Documentation/admin-guide/pm/cpuidle.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
================
Power Management
================
.. toctree::
:maxdepth: 2
strategies
system-wide
working-state | Documentation/admin-guide/pm/index.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
============================================================
Intel(R) Speed Select Technology User Guide
============================================================
The Intel(R) Speed Select Technology (Intel(R) SST) provides a powerful new
collection of features that give more gr... | Documentation/admin-guide/pm/intel-speed-select.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
======================================
Intel Performance and Energy Bias Hint
======================================
:Copyright: |copy| 2019 Intel Corporation
:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
.. kernel-doc:: arch/x86/kernel/cpu/in... | Documentation/admin-guide/pm/intel_epb.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
==============================================
``intel_idle`` CPU Idle Time Management Driver
==============================================
:Copyright: |copy| 2020 Intel Corporation
:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
General Inform... | Documentation/admin-guide/pm/intel_idle.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
===============================================
``intel_pstate`` CPU Performance Scaling Driver
===============================================
:Copyright: |copy| 2017 Intel Corporation
:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
General Inf... | Documentation/admin-guide/pm/intel_pstate.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
==============================
Intel Uncore Frequency Scaling
==============================
:Copyright: |copy| 2022-2023 Intel Corporation
:Author: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Introduction
------------
The uncore can consu... | Documentation/admin-guide/pm/intel_uncore_frequency_scaling.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
===================
System Sleep States
===================
:Copyright: |copy| 2017 Intel Corporation
:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Sleep states are global low-power states of the entire system in which user
space code cannot b... | Documentation/admin-guide/pm/sleep-states.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
===========================
Power Management Strategies
===========================
:Copyright: |copy| 2017 Intel Corporation
:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The Linux kernel supports two major high-level power management strateg... | Documentation/admin-guide/pm/strategies.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
=========================
System Suspend Code Flows
=========================
:Copyright: |copy| 2020 Intel Corporation
:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
At least one global system-wide transition needs to be carried out for the
sys... | Documentation/admin-guide/pm/suspend-flows.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
============================
System-Wide Power Management
============================
.. toctree::
:maxdepth: 2
sleep-states
suspend-flows | Documentation/admin-guide/pm/system-wide.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
==============================
Working-State Power Management
==============================
.. toctree::
:maxdepth: 2
cpuidle
intel_idle
cpufreq
intel_pstate
amd-pstate
cpufreq_drivers
intel_epb
intel-speed-select
intel_uncore_frequency_scaling | Documentation/admin-guide/pm/working-state.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0+
================================
Documentation for /proc/sys/abi/
================================
.. See scripts/check-sysctl-docs to keep this up to date:
.. scripts/check-sysctl-docs -vtable="abi" \
.. Documentation/admin-guide/sysctl/abi.rst \
.. $(git grep -l ... | Documentation/admin-guide/sysctl/abi.rst | null | null | null | null | null |
source | linux | ===============================
Documentation for /proc/sys/fs/
===============================
Copyright (c) 1998, 1999, Rik van Riel <riel@nl.linux.org>
Copyright (c) 2009, Shen Feng<shen@cn.fujitsu.com>
For general info and legal blurb, please look in intro.rst.
------------------------------------------... | Documentation/admin-guide/sysctl/fs.rst | null | null | null | null | null |
source | linux | ===========================
Documentation for /proc/sys
===========================
Copyright (c) 1998, 1999, Rik van Riel <riel@nl.linux.org>
------------------------------------------------------------------------------
'Why', I hear you ask, 'would anyone even _want_ documentation
for them sysctl files? If anybo... | Documentation/admin-guide/sysctl/index.rst | null | null | null | null | null |
source | linux | ===================================
Documentation for /proc/sys/kernel/
===================================
.. See scripts/check-sysctl-docs to keep this up to date
Copyright (c) 1998, 1999, Rik van Riel <riel@nl.linux.org>
Copyright (c) 2009, Shen Feng<shen@cn.fujitsu.com>
For general info and legal blurb... | Documentation/admin-guide/sysctl/kernel.rst | null | null | null | null | null |
source | linux | ================================
Documentation for /proc/sys/net/
================================
Copyright
Copyright (c) 1999
- Terrehon Bowden <terrehon@pacbell.net>
- Bodo Bauer <bb@ricochet.net>
Copyright (c) 2000
- Jorge Nerin <comandante@zaralinux.com>
Copyright (c) 2009
- Shen Feng <shen@cn.fujitsu.c... | Documentation/admin-guide/sysctl/net.rst | null | null | null | null | null |
source | linux | ===================================
Documentation for /proc/sys/sunrpc/
===================================
kernel version 2.2.10
Copyright (c) 1998, 1999, Rik van Riel <riel@nl.linux.org>
For general info and legal blurb, please look in index.rst.
------------------------------------------------------------------... | Documentation/admin-guide/sysctl/sunrpc.rst | null | null | null | null | null |
source | linux | =================================
Documentation for /proc/sys/user/
=================================
kernel version 4.9.0
Copyright (c) 2016 Eric Biederman <ebiederm@xmission.com>
------------------------------------------------------------------------------
This file contains the documentation for the sysctl fil... | Documentation/admin-guide/sysctl/user.rst | null | null | null | null | null |
source | linux | ===============================
Documentation for /proc/sys/vm/
===============================
kernel version 2.6.29
Copyright (c) 1998, 1999, Rik van Riel <riel@nl.linux.org>
Copyright (c) 2008 Peter W. Morreale <pmorreale@novell.com>
For general info and legal blurb, please look in index.rst.
---------... | Documentation/admin-guide/sysctl/vm.rst | null | null | null | null | null |
source | linux | =================
Thermal Subsystem
=================
.. toctree::
:maxdepth: 1
intel_powerclamp
intel_thermal_throttle | Documentation/admin-guide/thermal/index.rst | null | null | null | null | null |
source | linux | =======================
Intel Powerclamp Driver
=======================
By:
- Arjan van de Ven <arjan@linux.intel.com>
- Jacob Pan <jacob.jun.pan@linux.intel.com>
.. Contents:
(*) Introduction
- Goals and Objectives
(*) Theory of Operation
- Idle Injection
- Calibration
(*) Performance Analys... | Documentation/admin-guide/thermal/intel_powerclamp.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
=======================================
Intel thermal throttle events reporting
=======================================
:Author: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Introduction
------------
Intel processors have built in automatic ... | Documentation/admin-guide/thermal/intel_thermal_throttle.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
CPU Architectures
=================
These books provide programming details about architecture-specific
implementation.
.. toctree::
:maxdepth: 2
arc/index
arm/index
arm64/index
loongarch/index
m68k/index
mips/index
nios2/index
openrisc/index
parisc/... | Documentation/arch/index.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
Linux kernel for ARC processors
*******************************
Other sources of information
############################
Below are some resources where more information can be found on
ARC processors and relevant open source projects.
- `<https://embarc.org>`_ - Community portal... | Documentation/arch/arc/arc.rst | null | null | null | null | null |
source | linux | ===================
ARC architecture
===================
.. toctree::
:maxdepth: 1
arc
features | Documentation/arch/arc/index.rst | null | null | null | null | null |
source | linux | =======================
ARM Linux 2.6 and upper
=======================
Please check <ftp://ftp.arm.linux.org.uk/pub/armlinux> for
updates.
Compilation of kernel
---------------------
In order to compile ARM Linux, you will need a compiler capable of
generating ARM ELF code with GNU extensions. GCC 3.3 ... | Documentation/arch/arm/arm.rst | null | null | null | null | null |
source | linux | =================
Booting ARM Linux
=================
Author: Russell King
Date : 18 May 2002
The following documentation is relevant to 2.4.18-rmk6 and beyond.
In order to boot ARM Linux, you require a boot loader, which is a small
program that runs before the main kernel. The boot loader is expected
to initiali... | Documentation/arch/arm/booting.rst | null | null | null | null | null |
source | linux | =========================================================
Cluster-wide Power-up/power-down race avoidance algorithm
=========================================================
This file documents the algorithm which is used to coordinate CPU and
cluster setup and teardown operations and to manage hardware coherency
cont... | Documentation/arch/arm/cluster-pm-race-avoidance.rst | null | null | null | null | null |
source | linux | ==========================================================================
Interface for registering and calling firmware-specific operations for ARM
==========================================================================
Written by Tomasz Figa <t.figa@samsung.com>
Some boards are running with secure firmware runn... | Documentation/arch/arm/firmware.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
================
ARM Architecture
================
.. toctree::
:maxdepth: 1
arm
booting
cluster-pm-race-avoidance
firmware
interrupts
kernel_mode_neon
kernel_user_helpers
memory
mem_alignment
tcm
setup
swp_emulation
uefi
vlocks
port... | Documentation/arch/arm/index.rst | null | null | null | null | null |
source | linux | ==========
Interrupts
==========
2.5.2-rmk5:
This is the first kernel that contains a major shake up of some of the
major architecture-specific subsystems.
Firstly, it contains some pretty major changes to the way we handle the
MMU TLB. Each MMU TLB variant is now handled completely separately -
we have TLB v3, ... | Documentation/arch/arm/interrupts.rst | null | null | null | null | null |
source | linux | ===========================================================
Release Notes for Linux on Intel's IXP4xx Network Processor
===========================================================
Maintained by Deepak Saxena <dsaxena@plexity.net>
-------------------------------------------------------------------------
1. Overview
I... | Documentation/arch/arm/ixp4xx.rst | null | null | null | null | null |
source | linux | ================
Kernel mode NEON
================
TL;DR summary
-------------
* Use only NEON instructions, or VFP instructions that don't rely on support
code
* Isolate your NEON code in a separate compilation unit, and compile it with
'-march=armv7-a -mfpu=neon -mfloat-abi=softfp'
* Put kernel_neon_begin() and ... | Documentation/arch/arm/kernel_mode_neon.rst | null | null | null | null | null |
source | linux | ============================
Kernel-provided User Helpers
============================
These are segment of kernel provided user code reachable from user space
at a fixed address in kernel memory. This is used to provide user space
with some operations which require kernel help because of unimplemented
native feature... | Documentation/arch/arm/kernel_user_helpers.rst | null | null | null | null | null |
source | linux | ================
ARM Marvell SoCs
================
This document lists all the ARM Marvell SoCs that are currently
supported in mainline by the Linux kernel. As the Marvell families of
SoCs are large and complex, it is hard to understand where the support
for a particular SoC is available in the Linux kernel. This doc... | Documentation/arch/arm/marvell.rst | null | null | null | null | null |
source | linux | ================
Memory alignment
================
Too many problems popped up because of unnoticed misaligned memory access in
kernel code lately. Therefore the alignment fixup is now unconditionally
configured in for SA11x0 based targets. According to Alan Cox, this is a
bad idea to configure it out, but Russell K... | Documentation/arch/arm/mem_alignment.rst | null | null | null | null | null |
source | linux | =================================
Kernel Memory Layout on ARM Linux
=================================
Russell King <rmk@arm.linux.org.uk>
November 17, 2005 (2.6.15)
This document describes the virtual memory layout which the Linux
kernel uses for ARM processors. It indicates which regions are
free for plat... | Documentation/arch/arm/memory.rst | null | null | null | null | null |
source | linux | =============================
ARM Microchip SoCs (aka AT91)
=============================
Introduction
------------
This document gives useful information about the ARM Microchip SoCs that are
currently supported in Linux Mainline (you know, the one on kernel.org).
It is important to note that the Microchip (previou... | Documentation/arch/arm/microchip.rst | null | null | null | null | null |
source | linux | ================================
NetWinder specific documentation
================================
The NetWinder is a small low-power computer, primarily designed
to run Linux. It is based around the StrongARM RISC processor,
DC21285 PCI bridge, with PC-type hardware glued around it.
Port usage
==========
======= ... | Documentation/arch/arm/netwinder.rst | null | null | null | null | null |
source | linux | =======
Porting
=======
Taken from list archive at http://lists.arm.linux.org.uk/pipermail/linux-arm-kernel/2001-July/004064.html
Initial definitions
-------------------
The following symbol definitions rely on you knowing the translation that
__virt_to_phys() does for your machine. This macro converts the passed
v... | Documentation/arch/arm/porting.rst | null | null | null | null | null |
source | linux | =============================================
Kernel initialisation parameters on ARM Linux
=============================================
The following document describes the kernel initialisation parameter
structure, otherwise known as 'struct param_struct' which is used
for most ARM Linux architectures.
This struct... | Documentation/arch/arm/setup.rst | null | null | null | null | null |
source | linux | ==================
ARM Allwinner SoCs
==================
This document lists all the ARM Allwinner SoCs that are currently
supported in mainline by the Linux kernel. This document will also
provide links to documentation and/or datasheet for these SoCs.
SunXi family
------------
Linux kernel mach directory: arch/ar... | Documentation/arch/arm/sunxi.rst | null | null | null | null | null |
source | linux | Software emulation of deprecated SWP instruction (CONFIG_SWP_EMULATE)
---------------------------------------------------------------------
ARMv6 architecture deprecates use of the SWP/SWPB instructions, and recommends
moving to the load-locked/store-conditional instructions LDREX and STREX.
ARMv7 multiprocessing ext... | Documentation/arch/arm/swp_emulation.rst | null | null | null | null | null |
source | linux | ==================================================
ARM TCM (Tightly-Coupled Memory) handling in Linux
==================================================
Written by Linus Walleij <linus.walleij@stericsson.com>
Some ARM SoCs have a so-called TCM (Tightly-Coupled Memory).
This is usually just a few (4-64) KiB of RAM ins... | Documentation/arch/arm/tcm.rst | null | null | null | null | null |
source | linux | ================================================
The Unified Extensible Firmware Interface (UEFI)
================================================
UEFI, the Unified Extensible Firmware Interface, is a specification
governing the behaviours of compatible firmware interfaces. It is
maintained by the UEFI Forum - http://... | Documentation/arch/arm/uefi.rst | null | null | null | null | null |
source | linux | ======================================
vlocks for Bare-Metal Mutual Exclusion
======================================
Voting Locks, or "vlocks" provide a simple low-level mutual exclusion
mechanism, with reasonable but minimal requirements on the memory
system.
These are intended to be used to coordinate critical acti... | Documentation/arch/arm/vlocks.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
======================================
Chromebook Boot Flow
======================================
Most recent Chromebooks that use device tree are using the opensource
depthcharge_ bootloader. Depthcharge_ expects the OS to be packaged as a `FIT
Image`_ which contains an OS image ... | Documentation/arch/arm/google/chromebook-boot-flow.rst | null | null | null | null | null |
source | linux | ======================================================================
Texas Instruments Keystone Navigator Queue Management SubSystem driver
======================================================================
Driver source code path
drivers/soc/ti/knav_qmss.c
drivers/soc/ti/knav_qmss_acc.c
The QMSS (Queue Man... | Documentation/arch/arm/keystone/knav-qmss.rst | null | null | null | null | null |
source | linux | ==========================
TI Keystone Linux Overview
==========================
Introduction
------------
Keystone range of SoCs are based on ARM Cortex-A15 MPCore Processors
and c66x DSP cores. This document describes essential information required
for users to run Linux on Keystone based EVMs from Texas Instruments... | Documentation/arch/arm/keystone/overview.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
===================================
NetWinder's floating point emulator
===================================
.. toctree::
:maxdepth: 1
nwfpe
netwinder-fpe
notes
todo | Documentation/arch/arm/nwfpe/index.rst | null | null | null | null | null |
source | linux | =============
Current State
=============
The following describes the current state of the NetWinder's floating point
emulator.
In the following nomenclature is used to describe the floating point
instructions. It follows the conventions in the ARM manual.
::
<S|D|E> = <single|double|extended>, no default
{P|M... | Documentation/arch/arm/nwfpe/netwinder-fpe.rst | null | null | null | null | null |
source | linux | Notes
=====
There seems to be a problem with exp(double) and our emulator. I haven't
been able to track it down yet. This does not occur with the emulator
supplied by Russell King.
I also found one oddity in the emulator. I don't think it is serious but
will point it out. The ARM calling conventions require float... | Documentation/arch/arm/nwfpe/notes.rst | null | null | null | null | null |
source | linux | Introduction
============
This directory contains the version 0.92 test release of the NetWinder
Floating Point Emulator.
The majority of the code was written by me, Scott Bambrough It is
written in C, with a small number of routines in inline assembler
where required. It was written quickly, with a goal of implemen... | Documentation/arch/arm/nwfpe/nwfpe.rst | null | null | null | null | null |
source | linux | TODO LIST
=========
::
POW{cond}<S|D|E>{P,M,Z} Fd, Fn, <Fm,#value> - power
RPW{cond}<S|D|E>{P,M,Z} Fd, Fn, <Fm,#value> - reverse power
POL{cond}<S|D|E>{P,M,Z} Fd, Fn, <Fm,#value> - polar angle (arctan2)
LOG{cond}<S|D|E>{P,M,Z} Fd, <Fm,#value> - logarithm to base 10
LGN{cond}<S|D|E>{P,M,Z} Fd, <Fm,#value> -... | Documentation/arch/arm/nwfpe/todo.rst | null | null | null | null | null |
source | linux | =========================
OMAP2/3 Display Subsystem
=========================
This is an almost total rewrite of the OMAP FB driver in drivers/video/omap
(let's call it DSS1). The main differences between DSS1 and DSS2 are DSI,
TV-out and multiple display support, but there are lots of small improvements
also.
The DS... | Documentation/arch/arm/omap/dss.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
=======
TI OMAP
=======
.. toctree::
:maxdepth: 1
omap
omap_pm
dss | Documentation/arch/arm/omap/index.rst | null | null | null | null | null |
source | linux | ============
OMAP history
============
This file contains documentation for running mainline
kernel on omaps.
====== ======================================================
KERNEL NEW DEPENDENCIES
====== ======================================================
v4.3+ Update is needed for custom .config files to make ... | Documentation/arch/arm/omap/omap.rst | null | null | null | null | null |
source | linux | =====================
The OMAP PM interface
=====================
This document describes the temporary OMAP PM interface. Driver
authors use these functions to communicate minimum latency or
throughput constraints to the kernel power management code.
Over time, the intention is to merge features from the OMAP PM
int... | Documentation/arch/arm/omap/omap_pm.rst | null | null | null | null | null |
source | linux | ==============================================
MFP Configuration for PXA2xx/PXA3xx Processors
==============================================
Eric Miao <eric.miao@marvell.com>
MFP stands for Multi-Function Pin, which is the pin-mux logic on PXA3xx and
later PXA series processors. This document describes the existi... | Documentation/arch/arm/pxa/mfp.rst | null | null | null | null | null |
source | linux | ============================================
The Intel Assabet (SA-1110 evaluation) board
============================================
Please see:
http://developer.intel.com
Also some notes from John G Dorsey <jd5q@andrew.cmu.edu>:
http://www.cs.cmu.edu/~wearable/software/assabet.html
Building the kernel
----------... | Documentation/arch/arm/sa1100/assabet.rst | null | null | null | null | null |
source | linux | ==============
CerfBoard/Cube
==============
*** The StrongARM version of the CerfBoard/Cube has been discontinued ***
The Intrinsyc CerfBoard is a StrongARM 1110-based computer on a board
that measures approximately 2" square. It includes an Ethernet
controller, an RS232-compatible serial port, a USB function port, ... | Documentation/arch/arm/sa1100/cerf.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
====================
Intel StrongARM 1100
====================
.. toctree::
:maxdepth: 1
assabet
cerf
lart
serial_uart | Documentation/arch/arm/sa1100/index.rst | null | null | null | null | null |
source | linux | ====================================
Linux Advanced Radio Terminal (LART)
====================================
The LART is a small (7.5 x 10cm) SA-1100 board, designed for embedded
applications. It has 32 MB DRAM, 4MB Flash ROM, double RS232 and all
other StrongARM-gadgets. Almost all SA signals are directly accessibl... | Documentation/arch/arm/sa1100/lart.rst | null | null | null | null | null |
source | linux | ==================
SA1100 serial port
==================
The SA1100 serial port had its major/minor numbers officially assigned::
> Date: Sun, 24 Sep 2000 21:40:27 -0700
> From: H. Peter Anvin <hpa@transmeta.com>
> To: Nicolas Pitre <nico@CAM.ORG>
> Cc: Device List Maintainer <device@lanana.org>
> Subject: ... | Documentation/arch/arm/sa1100/serial_uart.rst | null | null | null | null | null |
source | linux | ==========================================================
Interface between kernel and boot loaders on Exynos boards
==========================================================
Author: Krzysztof Kozlowski
Date : 6 June 2015
The document tries to describe currently used interface between Linux kernel
and boot loader... | Documentation/arch/arm/samsung/bootloader-interface.rst | null | null | null | null | null |
source | linux | ===========================
Samsung GPIO implementation
===========================
Introduction
------------
This outlines the Samsung GPIO implementation and the architecture
specific calls provided alongside the drivers/gpio core.
GPIOLIB integration
-------------------
The gpio implementation uses gpiolib as m... | Documentation/arch/arm/samsung/gpio.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
===========
Samsung SoC
===========
.. toctree::
:maxdepth: 1
gpio
bootloader-interface
overview | Documentation/arch/arm/samsung/index.rst | null | null | null | null | null |
source | linux | ==========================
Samsung ARM Linux Overview
==========================
Introduction
------------
The Samsung range of ARM SoCs spans many similar devices, from the initial
ARM9 through to the newest ARM cores. This document shows an overview of
the current kernel support, how to use it and where to fi... | Documentation/arch/arm/samsung/overview.rst | null | null | null | null | null |
source | linux | ========================
SPEAr ARM Linux Overview
========================
Introduction
------------
SPEAr (Structured Processor Enhanced Architecture).
weblink : http://www.st.com/spear
The ST Microelectronics SPEAr range of ARM9/CortexA9 System-on-Chip CPUs are
supported by the 'spear' platform of ARM Linu... | Documentation/arch/arm/spear/overview.rst | null | null | null | null | null |
source | linux | ======================
STi ARM Linux Overview
======================
Introduction
------------
The ST Microelectronics Multimedia and Application Processors range of
CortexA9 System-on-Chip are supported by the 'STi' platform of
ARM Linux. Currently STiH407, STiH410 and STiH418 are supported.
configuration
--... | Documentation/arch/arm/sti/overview.rst | null | null | null | null | null |
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