| /openbmc/linux/Documentation/devicetree/bindings/remoteproc/ |
| H A D | ti,davinci-rproc.txt | 4 Binding status: Unstable - Subject to changes for DT representation of clocks
7 The TI Davinci family of SoCs usually contains a TI DSP Core sub-system that
8 is used to offload some of the processor-intensive tasks or algorithms, for
11 The processor cores in the sub-system usually contain additional sub-modules
13 controller, a dedicated local power/sleep controller etc. The DSP processor
18 Each DSP Core sub-system is represented as a single DT node.
21 --------------------
24 - compatible: Should be one of the following,
25 "ti,da850-dsp" for DSPs on OMAP-L138 SoCs
27 - reg: Should contain an entry for each value in 'reg-names'.
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| H A D | ti,keystone-rproc.txt | 5 sub-systems that are used to offload some of the processor-intensive tasks or
8 These processor sub-systems usually contain additional sub-modules like L1
10 a dedicated local power/sleep controller etc. The DSP processor core in
11 Keystone 2 SoCs is usually a TMS320C66x CorePac processor.
15 Each DSP Core sub-system is represented as a single DT node, and should also
17 or optional properties that enable the OS running on the host processor (ARM
18 CorePac) to perform the device management of the remote processor and to
19 communicate with the remote processor.
22 --------------------
25 - compatible: Should be one of the following,
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| H A D | ti,k3-dsp-rproc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/ti,k3-dsp-rproc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Suman Anna <s-anna@ti.com>
13 The TI K3 family of SoCs usually have one or more TI DSP Core sub-systems
14 that are used to offload some of the processor-intensive tasks or algorithms,
17 These processor sub-systems usually contain additional sub-modules like
19 controller, a dedicated local power/sleep controller etc. The DSP processor
20 cores in the K3 SoCs are usually either a TMS320C66x CorePac processor or a
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| H A D | ti,omap-remoteproc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/ti,omap-remoteproc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Suman Anna <s-anna@ti.com>
13 The OMAP family of SoCs usually have one or more slave processor sub-systems
14 that are used to offload some of the processor-intensive tasks, or to manage
17 The processor cores in the sub-system are usually behind an IOMMU, and may
18 contain additional sub-modules like Internal RAM and/or ROMs, L1 and/or L2
21 The OMAP SoCs usually have a DSP processor sub-system and/or an IPU processor
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| /openbmc/linux/drivers/net/phy/ |
| H A D | aquantia_main.c | 1 // SPDX-License-Identifier: GPL-2.0
149 /* Sleep and timeout for checking if the Processor-Intensive
197 int len_l = min(stat->size, 16); in aqr107_get_stat()
198 int len_h = stat->size - len_l; in aqr107_get_stat()
202 val = phy_read_mmd(phydev, MDIO_MMD_C22EXT, stat->reg); in aqr107_get_stat()
206 ret = val & GENMASK(len_l - 1, 0); in aqr107_get_stat()
208 val = phy_read_mmd(phydev, MDIO_MMD_C22EXT, stat->reg + 1); in aqr107_get_stat()
212 ret += (val & GENMASK(len_h - 1, 0)) << 16; in aqr107_get_stat()
221 struct aqr107_priv *priv = phydev->priv; in aqr107_get_stats()
231 priv->sgmii_stats[i] += val; in aqr107_get_stats()
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| /openbmc/linux/Documentation/staging/ |
| H A D | rpmsg.rst | 2 Remote Processor Messaging (rpmsg) Framework
14 Modern SoCs typically employ heterogeneous remote processor devices in
17 flavor of real-time OS.
19 OMAP4, for example, has dual Cortex-A9, dual Cortex-M3 and a C64x+ DSP.
20 Typically, the dual cortex-A9 is running Linux in a SMP configuration,
25 hardware accelerators, and therefore are often used to offload CPU-intensive
26 multimedia tasks from the main application processor.
28 These remote processors could also be used to control latency-sensitive
34 hardware accessible only by the remote processor, reserving kernel-controlled
35 resources on behalf of the remote processor, etc..).
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| /openbmc/linux/Documentation/locking/ |
| H A D | hwspinlock.rst | 12 For example, OMAP4 has dual Cortex-A9, dual Cortex-M3 and a C64x+ DSP,
17 A generic hwspinlock framework allows platform-independent drivers to use
22 This is necessary, for example, for Inter-processor communications:
23 on OMAP4, cpu-intensive multimedia tasks are offloaded by the host to the
26 To achieve fast message-based communications, a minimal kernel support
27 is needed to deliver messages arriving from a remote processor to the
32 module (remote processor directly places new messages in this shared data
35 A common hwspinlock interface makes it possible to have generic, platform-
67 Retrieve the global lock id for an OF phandle-based specific lock.
72 The function returns a lock id number on success, -EPROBE_DEFER if
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| /openbmc/u-boot/board/freescale/t102xrdb/ |
| H A D | README | 2 ------------------
3 The T1024/T1023 dual core and T1014/T1013 single core QorIQ communication processor
4 combines two or one 64-bit Power Architecture e5500 core respectively with high
6 required for networking and telecommunications. This processor can be used in
8 and other packet processing intensive small enterprise and branch office appliances,
9 and general-purpose embedded computing. Its high level of integration offers
14 - two e5500 cores, each with a private 256 KB L2 cache
15 - Up to 1.4 GHz with 64-bit ISA support (Power Architecture v2.06-compliant)
16 - Three levels of instructions: User, supervisor, and hypervisor
17 - Independent boot and reset
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| /openbmc/u-boot/board/freescale/t102xqds/ |
| H A D | README | 2 ------------------
3 The T1024/T1023 dual core and T1014/T1013 single core QorIQ communication processor
4 combines two or one 64-bit Power Architecture e5500 core respectively with high
6 required for networking and telecommunications. This processor can be used in
8 and other packet processing intensive small enterprise and branch office appliances,
9 and general-purpose embedded computing. Its high level of integration offers
14 - two e5500 cores, each with a private 256 KB L2 cache
15 - Up to 1.4 GHz with 64-bit ISA support (Power Architecture v2.06-compliant)
16 - Three levels of instructions: User, supervisor, and hypervisor
17 - Independent boot and reset
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| /openbmc/linux/arch/mips/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
135 bool "Generic board-agnostic MIPS kernel"
191 bool "Alchemy processor based machines"
224 Support for the Texas Instruments AR7 System-on-a-Chip
298 Build a generic DT-based kernel image that boots on select
299 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
391 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
392 DECstation porting pages on <http://decstation.unix-ag.org/>.
432 Olivetti M700-10 workstations.
468 bool "Loongson 32-bit family of machines"
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| /openbmc/linux/arch/arm/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
150 The ARM series is a line of low-power-consumption RISC chip designs
152 handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
153 manufactured, but legacy ARM-based PC hardware remains popular in
164 supported in LLD until version 14. The combined range is -/+ 256 MiB,
257 Patch phys-to-virt and virt-to-phys translation functions at
261 This can only be used with non-XIP MMU kernels where the base
307 bool "MMU-based Paged Memory Management Support"
310 Select if you want MMU-based virtualised addressing space
350 # https://github.com/llvm/llvm-project/issues/50764
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| /openbmc/linux/arch/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
20 menu "General architecture-dependent options"
25 Select if the architecture can check permissions at sub-page
71 for kernel debugging, non-intrusive instrumentation and testing.
80 makes certain almost-always-true or almost-always-false branch
83 Certain performance-sensitive kernel code, such as trace points,
94 of the processor and generally makes the kernel faster. The update
97 ( On 32-bit x86, the necessary options added to the compiler
104 Boot time self-test of the branch patching code.
110 Boot time self-test of the call patching code.
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| /openbmc/linux/Documentation/admin-guide/ |
| H A D | kernel-parameters.txt | 5 force -- enable ACPI if default was off
6 on -- enable ACPI but allow fallback to DT [arm64,riscv64]
7 off -- disable ACPI if default was on
8 noirq -- do not use ACPI for IRQ routing
9 strict -- Be less tolerant of platforms that are not
11 rsdt -- prefer RSDT over (default) XSDT
12 copy_dsdt -- copy DSDT to memory
26 If set to vendor, prefer vendor-specific driver
58 Documentation/firmware-guide/acpi/debug.rst for more information about
61 Enable processor driver info messages:
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| /openbmc/linux/lib/ |
| H A D | Kconfig.debug | 1 # SPDX-License-Identifier: GPL-2.0-only
19 parameter printk.time=1. See Documentation/admin-guide/kernel-parameters.rst
26 in task context) or a caller "processor id" (if not in task context)
50 int "Default console loglevel (1-15)"
60 Note: This does not affect the log level of un-prefixed printk()
65 int "quiet console loglevel (1-15)"
76 int "Default message log level (1-7)"
82 This was hard-coded to KERN_WARNING since at least 2.6.10 but folks
118 enabled/disabled based on various levels of scope - per source file,
158 nullarbor:~ # echo -n 'file svcsock.c line 1603 +p' >
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| /openbmc/qemu/ |
| H A D | qemu-options.hx | 14 "-h or -help display this help and exit\n", QEMU_ARCH_ALL)
16 ``-h``
21 "-version display version information and exit\n", QEMU_ARCH_ALL)
23 ``-version``
28 "-machine [type=]name[,prop[=value][,...]]\n"
29 " selects emulated machine ('-machine help' for list)\n"
33 " dump-guest-core=on|off include guest memory in a core dump (default=on)\n"
34 " mem-merge=on|off controls memory merge support (default: on)\n"
35 " aes-key-wrap=on|off controls support for AES key wrapping (default=on)\n"
36 " dea-key-wrap=on|off controls support for DEA key wrapping (default=on)\n"
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| /openbmc/linux/mm/ |
| H A D | vmscan.c | 1 // SPDX-License-Identifier: GPL-2.0
31 #include <linux/backing-dev.h>
46 #include <linux/memory-tiers.h>
175 if ((_folio)->lru.prev != _base) { \
178 prev = lru_to_folio(&(_folio->lru)); \
179 prefetchw(&prev->_field); \
211 return rcu_dereference_protected(memcg->nodeinfo[nid]->shrinker_info, in shrinker_info_protected()
226 pn = memcg->nodeinfo[nid]; in expand_one_shrinker_info()
233 if (new_nr_max <= old->map_nr_max) in expand_one_shrinker_info()
238 return -ENOMEM; in expand_one_shrinker_info()
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| /openbmc/linux/kernel/sched/ |
| H A D | fair.c | 1 // SPDX-License-Identifier: GPL-2.0
43 #include <linux/memory-tiers.h>
61 * The initial- and re-scaling of tunables is configurable
65 * SCHED_TUNABLESCALING_NONE - unscaled, always *1
66 * SCHED_TUNABLESCALING_LOG - scaled logarithmical, *1+ilog(ncpus)
67 * SCHED_TUNABLESCALING_LINEAR - scaled linear, *ncpus
74 * Minimal preemption granularity for CPU-boun
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