| /openbmc/linux/Documentation/devicetree/bindings/cache/ |
| H A D | socionext,uniphier-system-cache.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/cache/socionext,uniphier-system-cache.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: UniPhier outer cache controller
10 UniPhier ARM 32-bit SoCs are integrated with a full-custom outer cache
11 controller system. All of them have a level 2 cache controller, and some
12 have a level 3 cache controller as well.
15 - Masahiro Yamada <yamada.masahiro@socionext.com>
19 const: socionext,uniphier-system-cache
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| H A D | l2c2x0.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/cache/l2c2x0.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ARM L2 Cache Controller
10 - Rob Herring <robh@kernel.org>
14 PL220/PL310 and variants) based level 2 cache controller. All these various
15 implementations of the L2 cache controller have compatible programming
16 models (Note 1). Some of the properties that are just prefixed "cache-*" are
22 cache controllers as found in e.g. Cortex-A15/A7/A57/A53. These
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| H A D | baikal,bt1-l2-ctl.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/cache/baikal,bt1-l2-ctl.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Baikal-T1 L2-cache Control Block
11 - Serge Semin <fancer.lancer@gmail.com>
14 By means of the System Controller Baikal-T1 SoC exposes a few settings to
15 tune the MIPS P5600 CM2 L2 cache performance up. In particular it's possible
16 to change the Tag, Data and Way-select RAM access latencies. Baikal-T1
17 L2-cache controller block is responsible for the tuning. Its DT node is
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| H A D | andestech,ax45mp-cache.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/cache/andestech,ax45mp-cache.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Andestech AX45MP L2 Cache Controller
11 - Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
14 A level-2 cache (L2C) is used to improve the system performance by providing
15 a large amount of cache line entries and reasonable access delays. The L2C
16 is shared between cores, and a non-inclusive non-exclusive policy is used.
23 - andestech,ax45mp-cache
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| H A D | qcom,llcc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/cache/qcom,llcc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Last Level Cache Controller
10 - Bjorn Andersson <andersson@kernel.org>
13 LLCC (Last Level Cache Controller) provides last level of cache memory in SoC,
16 common pool of memory. Cache memory is divided into partitions called slices
23 - qcom,sc7180-llcc
24 - qcom,sc7280-llcc
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| /openbmc/linux/drivers/eisa/ |
| H A D | eisa.ids | 6 # Marc Zyngier <maz@wild-wind.fr.eu.org>
10 ABP0510 "Advansys ABP-510 ISA SCSI Host Adapter"
11 ABP0540 "Advansys ABP-540/542 ISA SCSI Host Adapter"
12 ABP7401 "AdvanSys ABP-740/742 EISA Single Channel SCSI Host Adapter"
13 ABP7501 "AdvanSys ABP-750/752 EISA Dual Channel SCSI Host Adapter"
14 ACC1200 "ACCTON EtherCombo-32 Ethernet Adapter"
15 ACC120A "ACCTON EtherCombo-32 Ethernet Adapter"
18 ACE1010 "ACME Super Fast System Board"
22 ACE4010 "ACME Tape Controller"
24 ACE6010 "ACME Disk Controller"
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| /openbmc/linux/arch/arm/boot/dts/broadcom/ |
| H A D | bcm2836.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
3 #include "bcm2835-common.dtsi"
11 dma-ranges = <0xc0000000 0x00000000 0x3f000000>;
13 local_intc: interrupt-controller@40000000 {
14 compatible = "brcm,bcm2836-l1-intc";
16 interrupt-controller;
17 #interrupt-cells = <2>;
18 interrupt-parent = <&local_intc>;
22 arm-pmu {
23 compatible = "arm,cortex-a7-pmu";
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| H A D | bcm2837.dtsi | 2 #include "bcm2835-common.dtsi"
10 dma-ranges = <0xc0000000 0x00000000 0x3f000000>;
13 compatible = "brcm,bcm2836-l1-intc";
15 interrupt-controller;
16 #interrupt-cells = <2>;
17 interrupt-parent = <&local_intc>;
21 arm-pmu {
22 compatible = "arm,cortex-a53-pmu";
23 interrupt-parent = <&local_intc>;
28 compatible = "arm,armv7-timer";
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| /openbmc/linux/arch/arm/mm/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
17 A 32-bit RISC microprocessor based on the ARM7 processor core
18 which has no memory control unit and cache.
36 A 32-bit RISC processor with 8kByte Cache, Write Buffer and
53 A 32-bit RISC processor with 8KB cache or 4KB variants,
69 A 32-bit RISC microprocessor based on the ARM9 processor core
70 which has no memory control unit and cache.
147 instruction sequences for cache and TLB operations. Curiously,
166 Branch Target Buffer, Unified TLB and cache line size 16.
182 ARM940T is a member of the ARM9TDMI family of general-
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| /openbmc/linux/Documentation/driver-api/ |
| H A D | edac.rst | 5 ----------------------------------------
8 *sockets, *socket sets*, *banks*, *rows*, *chip-select rows*, *channels*,
20 provides the number of bits that the memory controller expects:
37 A memory controller channel, responsible to communicate with a group of
43 It is typically the highest hierarchy on a Fully-Buffered DIMM memory
44 controller. Typically, it contains two channels. Two channels at the
52 * Single-channel
54 The data accessed by the memory controller is contained into one dimm
55 only. E. g. if the data is 64 bits-wide, the data flows to the CPU using
57 memories. FB-DIMM and RAMBUS use a different concept for channel, so
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| /openbmc/linux/drivers/perf/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
14 Support for PMU events monitoring on the ARM CCI (Cache Coherent
17 If compiled as a module, it will be called arm-cci.
20 bool "support CCI-400"
25 CCI-400 provides 4 independent event counters counting events related
29 bool "support CCI-500/CCI-550"
33 CCI-500/CCI-550 both provide 8 independent event counters, which can
41 PMU (perf) driver supporting the ARM CCN (Cache Coherent Network)
45 tristate "Arm CMN-600 PMU support"
48 Support for PMU events monitoring on the Arm CMN-600 Coherent Mesh
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| /openbmc/linux/Documentation/admin-guide/cgroup-v1/ |
| H A D | memory.rst | 2 Memory Resource Controller
12 The Memory Resource Controller has generically been referred to as the
13 memory controller in this document. Do not confuse memory controller
14 used here with the memory controller that is used in hardware.
17 When we mention a cgroup (cgroupfs's directory) with memory controller,
18 we call it "memory cgroup". When you see git-log and source code, you'll
22 Benefits and Purpose of the memory controller
25 The memory controller isolates the memory behaviour of a group of tasks
26 from the rest of the system. The article on LWN [12]_ mentions some probable
27 uses of the memory controller. The memory controller can be used to
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| /openbmc/linux/drivers/edac/ |
| H A D | Kconfig | 16 EDAC is a subsystem along with hardware-specific drivers designed to
17 report hardware errors. These are low-level errors that are reported
19 memory errors, cache errors, PCI errors, thermal throttling, etc..
22 The mailing list for the EDAC project is linux-edac@vger.kernel.org.
40 levels are 0-4 (from low to high) and by default it is set to 2.
44 tristate "Decode MCEs in human-readable form (only on AMD for now)"
49 occurring on your machine in human-readable form.
60 Not all machines support hardware-driven error report. Some of those
61 provide a BIOS-driven error report mechanism via ACPI, using the
65 When this option is enabled, it will disable the hardware-driven
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| /openbmc/linux/drivers/cxl/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
10 layers three protocols on that signalling (CXL.io, CXL.cache, and
11 CXL.mem). The CXL.cache protocol allows devices to hold cachelines
23 The CXL specification defines a "CXL memory device" sub-class in the
24 PCI "memory controller" base class of devices. Device's identified by
26 memory to be mapped into the system address map (Host-managed Device
64 (https://www.computeexpresslink.org/spec-landing). The CXL core
66 hierarchy to map regions that represent System RAM, or Persistent
78 managed via a bridge driver from CXL to the LIBNVDIMM system
89 The CXL.mem protocol allows a device to act as a provider of "System
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| /openbmc/linux/arch/arm/boot/dts/arm/ |
| H A D | vexpress-v2p-ca9.dts | 1 // SPDX-License-Identifier: GPL-2.0
6 * Cortex-A9 MPCore (V2P-CA9)
8 * HBI-0191B
11 /dts-v1/;
12 #include "vexpress-v2m.dtsi"
15 model = "V2P-CA9";
18 compatible = "arm,vexpress,v2p-ca9", "arm,vexpress";
19 interrupt-parent = <&gic>;
20 #address-cells = <1>;
21 #size-cells = <1>;
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| /openbmc/linux/drivers/memory/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
7 bool "Memory Controller drivers"
9 This option allows to enable specific memory controller drivers,
29 This selects the ARM PrimeCell PL172 MultiPort Memory Controller.
30 If you have an embedded system with an AMBA bus and a PL172
31 controller, say Y or M here.
41 Driver for Atmel EBI controller.
42 Used to configure the EBI (external bus interface) when the device-
43 tree is used. This bus supports NANDs, external ethernet controller,
53 provide current information about the system's RAM, for instance
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| /openbmc/linux/arch/arm/boot/dts/socionext/ |
| H A D | uniphier-ld4.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
5 // Copyright (C) 2015-2016 Socionext Inc.
8 #include <dt-bindings/gpio/uniphier-gpio.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 compatible = "socionext,uniphier-ld4";
13 #address-cells = <1>;
14 #size-cells = <1>;
17 #address-cells = <1>;
18 #size-cells = <0>;
22 compatible = "arm,cortex-a9";
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| H A D | uniphier-pro5.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
5 // Copyright (C) 2015-2016 Socionext Inc.
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 compatible = "socionext,uniphier-pro5";
12 #address-cells = <1>;
13 #size-cells = <1>;
16 #address-cells = <1>;
17 #size-cells = <0>;
21 compatible = "arm,cortex-a9";
24 enable-method = "psci";
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| H A D | uniphier-sld8.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
5 // Copyright (C) 2015-2016 Socionext Inc.
8 #include <dt-bindings/gpio/uniphier-gpio.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
12 compatible = "socionext,uniphier-sld8";
13 #address-cells = <1>;
14 #size-cells = <1>;
17 #address-cells = <1>;
18 #size-cells = <0>;
22 compatible = "arm,cortex-a9";
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| /openbmc/linux/arch/arm64/boot/dts/tesla/ |
| H A D | fsd.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
3 * Tesla Full Self-Driving SoC device tree source
5 * Copyright (c) 2017-2022 Samsung Electronics Co., Ltd.
7 * Copyright (c) 2017-2022 Tesla, Inc.
11 #include <dt-bindings/clock/fsd-clk.h>
12 #include <dt-bindings/interrupt-controller/arm-gic.h>
16 interrupt-parent = <&gic>;
17 #address-cells = <2>;
18 #size-cells = <2>;
38 #address-cells = <2>;
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| /openbmc/linux/Documentation/devicetree/bindings/riscv/ |
| H A D | cpus.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR MIT)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: RISC-V CPUs
10 - Paul Walmsley <paul.walmsley@sifive.com>
11 - Palmer Dabbelt <palmer@sifive.com>
12 - Conor Dooley <conor@kernel.org>
15 This document uses some terminology common to the RISC-V community
19 mandated by the RISC-V ISA: a PC and some registers. This
27 - $ref: /schemas/cpu.yaml#
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| /openbmc/linux/arch/arm/boot/dts/marvell/ |
| H A D | armada-xp-98dx3236.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
11 #include "armada-370-xp.dtsi"
14 #address-cells = <2>;
15 #size-cells = <2>;
18 compatible = "marvell,armadaxp-98dx3236", "marvell,armada-370-xp";
27 #address-cells = <1>;
28 #size-cells = <0>;
29 enable-method = "marvell,98dx3236-smp";
33 compatible = "marvell,sheeva-v7";
36 clock-latency = <1000000>;
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| /openbmc/linux/tools/perf/pmu-events/arch/x86/icelakex/ |
| H A D | other.json | 3 … where the core was running in a manner where Turbo may be clipped to the Non-AVX turbo schedule.",
6 …s running with power-delivery for baseline license level 0. This includes non-AVX codes, SSE, AVX…
14 … running with power-delivery for license level 1. This includes high current AVX 256-bit instruct…
22 … running with power-delivery for license level 2 (introduced in Skylake Server microarchtecture). …
30 …cache, after the data is forwarded back to the requestor and indicating the data was found unmodif…
38 …estor, and indicating the data was found modified(M) in this cores caches cache (aka HitM response…
62 …a is forwarded back to the requestor, initially the data was found in the cache in the (FS) Forwar…
70 …a is forwarded back to the requestor, initially the data was found in the cache in the (M)odified …
78 … not forwarded back to the requestor, initially the data was found in the cache in the (FSE) Forwa…
83 …"BriefDescription": "Counts demand instruction fetches and L1 instruction cache prefetches that ha…
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| /openbmc/u-boot/arch/arm/dts/ |
| H A D | uniphier-pro5.dtsi | 1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
5 // Copyright (C) 2015-2016 Socionext Inc.
9 compatible = "socionext,uniphier-pro5";
10 #address-cells = <1>;
11 #size-cells = <1>;
14 #address-cells = <1>;
15 #size-cells = <0>;
19 compatible = "arm,cortex-a9";
22 enable-method = "psci";
23 next-level-cache = <&l2>;
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| /openbmc/u-boot/board/freescale/ls1021atwr/ |
| H A D | README | 2 --------
6 ------------------
8 is built on Layerscape architecture, the industry's first software-aware,
9 core-agnostic networking architecture to offer unprecedented efficiency
12 A member of the value-performance tier, the QorIQ LS1021A processor provides
14 enterprise networking applications. Incorporating dual ARM Cortex-A7 cores
15 running up to 1.0 GHz, the LS1021A processor delivers pre-silicon CoreMark
17 security features and the broadest array of high-speed interconnects and
18 optimized peripheral features ever offered in a sub-3 W processor.
20 The QorIQ LS1021A processor features an integrated LCD controller,
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