Lines Matching +full:loongson +full:- +full:3
1 # SPDX-License-Identifier: GPL-2.0
144 bool "Generic board-agnostic MIPS kernel"
286 Build a generic DT-based kernel image that boots on select
287 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
379 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
380 DECstation porting pages on <http://decstation.unix-ag.org/>.
444 Olivetti M700-10 workstations.
481 bool "Loongson 32-bit family of machines"
501 This enables support for the Loongson-1 family of machines.
503 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
508 bool "Loongson-2E/F family of machines"
511 This enables the support of early Loongson-2E/F family of machines.
514 bool "Loongson 64-bit family of machines"
549 This enables the support of Loongson-2/3 family of machines.
551 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
552 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
553 and Loongson-2F which will be removed), developed by the Institute
619 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
875 bool "Sibyte BCM91125C-CRhone"
885 bool "Sibyte BCM91125E-Rhone"
894 bool "Sibyte BCM91250A-SWARM"
907 bool "Sibyte BCM91250C2-LittleSur"
919 bool "Sibyte BCM91250E-Sentosa"
929 bool "Sibyte BCM91480B-BigSur"
978 The SNI RM200/300/400 are MIPS-based machines manufactured by
1057 This requires u-boot on the platform.
1073 source "arch/mips/sgi-ip27/Kconfig"
1076 source "arch/mips/cavium-octeon/Kconfig"
1354 bool "Loongson 64-bit CPU"
1376 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1378 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1379 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1380 Loongson-2E/2F is not covered here and will be removed in future.
1383 bool "Loongson 2E"
1387 The Loongson 2E processor implements the MIPS III instruction set
1394 bool "Loongson 2F"
1398 The Loongson 2F processor implements the MIPS III instruction set
1401 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1406 bool "Loongson 32-bit CPU"
1417 The Loongson GS232 microarchitecture implements the MIPS32 Release 1
1428 MIPS32 architecture. Most modern embedded systems with a 32-bit
1446 MIPS32 architecture. Most modern embedded systems with a 32-bit
1492 MIPS64 architecture. Many modern embedded systems with a 64-bit
1512 MIPS64 architecture. Many modern embedded systems with a 64-bit
1567 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1569 cache, IOCU/IOMMU (though might be unused depending on the system-
1594 MIPS Technologies R4300-series processors.
1603 MIPS Technologies R4000-series processors other than 4300, including
1621 MIPS Technologies R5000-series processors other than the Nevada.
1630 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1640 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1651 MIPS Technologies R10000-series processors.
1715 bool "New Loongson-3 CPU Enhancements"
1719 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
1720 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1721 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
1722 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1726 time. If you want a generic kernel to run on all Loongson 3 machines,
1727 please say 'N' here. If you want a high-performance kernel to run on
1728 new Loongson-3 machines only, please say 'Y' here.
1731 bool "Loongson-3 LLSC Workarounds"
1735 Loongson-3 processors have the llsc issues which require workarounds.
1741 bool "Emulate the CPUCFG instruction on older Loongson cores"
1745 Loongson-3A R4 and newer have the CPUCFG instruction available for
1747 option provides emulation of the instruction on older Loongson
1748 cores, back to Loongson-3A1000.
1771 of lowmem (up to 3GB). If unsure, say 'N' here.
1797 64-bit addressing which in turn makes the PTEs 64-bit in size.
1808 bool "Loongson 2F Workarounds"
1813 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1816 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1818 Loongson 2F03 and later have fixed these issues and no workarounds
1976 # CPU may reorder R->R, R->W, W->R, W->W
1984 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
2085 actually benefits from 64-bit processing or if your machine has
2087 menu if your system does not support both 32-bit and 64-bit kernels.
2090 bool "32-bit kernel"
2094 Select this option if you want to build a 32-bit kernel.
2097 bool "64-bit kernel"
2100 Select this option if you want to build a 64-bit kernel.
2125 This is only used if non-zero.
2152 # Support for a MIPS32 / MIPS64 style S-caches
2232 <http://www.imgtec.com/mips/mips-multithreading.asp>.
2241 bool "Dynamic FPU affinity for FP-intensive threads"
2246 bool "MIPS R2-to-R6 emulator"
2251 Choose this option if you want to run non-R6 MIPS userland code.
2254 The only reason this is a build-time option is to save ~14K from the
2427 # CPU non-features
2432 # - The `daddi' instruction fails to trap on overflow.
2436 # - The `daddiu' instruction can produce an incorrect result.
2448 # - A double-word or a variable shift may give an incorrect result
2455 # - A double-word or a variable shift may give an incorrect result
2460 # - An integer division may give an incorrect result if started in
2470 # - A double-word or a variable shift may give an incorrect result
2497 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2549 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2551 # I-cache line worth of instructions being fetched may case spurious
2557 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2566 # - Highmem only makes sense for the 32-bit kernel.
2567 # - The current highmem code will only work properly on physically indexed
2574 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2598 This option must be set if a kernel might be executed on a MIPS16-
2600 words, it makes the kernel MIPS16-tolerant.
2619 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2687 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2688 EVA or 64-bit. The default is 16Mb.
2715 bool "Multi-Processing support"
2722 If you say N here, the kernel will run on uni- and multiprocessor
2731 See also the SMP-HOWTO available at
2737 bool "Support for hot-pluggable CPUs"
2771 int "Maximum number of CPUs (2-256)"
2781 kernel will support. The maximum supported value is 32 for 32-bit
2782 kernel and 64 for 64-bit kernels; the minimum value which makes
2786 This is purely to save memory - each supported CPU adds
2906 passed to the panic-ed kernel).
2909 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2912 When this is enabled, the kernel will support use of 64-bit floating
2914 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2915 32-bit MIPS systems this support is at the cost of increasing the
2918 will require 64-bit floating point, you may wish to reduce the size
2961 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
3022 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3056 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3058 <http://www.linux-mips.org/wiki/DECstation>
3102 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3115 64-bit binaries using 32-bit quantities for addressing and certain
3116 data that would normally be 64-bit. They are used in special
3123 depends on $(cc-option,-mno-branch-likely)
3125 # https://github.com/llvm/llvm-project/issues/61045