# SPDX-License-Identifier: GPL-2.0
comment "Processor Type"
# Select CPU types depending on the architecture selected. This selects
# which CPUs we support in the kernel image, and the compiler instruction
# optimiser behaviour.
# ARM7TDMI
config CPU_ARM7TDMI
bool
depends on !MMU
select CPU_32v4T
select CPU_ABRT_LV4T
select CPU_CACHE_V4
select CPU_PABRT_LEGACY
help
A 32-bit RISC microprocessor based on the ARM7 processor core
which has no memory control unit and cache.
Say Y if you want support for the ARM7TDMI processor.
Otherwise, say N.
# ARM720T
config CPU_ARM720T
bool
select CPU_32v4T
select CPU_ABRT_LV4T
select CPU_CACHE_V4
select CPU_CACHE_VIVT
select CPU_COPY_V4WT if MMU
select CPU_CP15_MMU
select CPU_PABRT_LEGACY
select CPU_THUMB_CAPABLE
select CPU_TLB_V4WT if MMU
help
A 32-bit RISC processor with 8kByte Cache, Write Buffer and
MMU built around an ARM7TDMI core.
Say Y if you want support for the ARM720T processor.
Otherwise, say N.
# ARM740T
config CPU_ARM740T
bool
depends on !MMU
select CPU_32v4T
select CPU_ABRT_LV4T
select CPU_CACHE_V4
select CPU_CP15_MPU
select CPU_PABRT_LEGACY
select CPU_THUMB_CAPABLE
help
A 32-bit RISC processor with 8KB cache or 4KB variants,
write buffer and MPU(Protection Unit) built around
an ARM7TDMI core.
Say Y if you want support for the ARM740T processor.
Otherwise, say N.
# ARM9TDMI
config CPU_ARM9TDMI
bool
depends on !MMU
select CPU_32v4T
select CPU_ABRT_NOMMU
select CPU_CACHE_V4
select CPU_PABRT_LEGACY
help
A 32-bit RISC microprocessor based on the ARM9 processor core
which has no memory control unit and cache.
Say Y if you want support for the ARM9TDMI processor.
Otherwise, say N.
# ARM920T
config CPU_ARM920T
bool
select CPU_32v4T
select CPU_ABRT_EV4T
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_COPY_V4WB if MMU
select CPU_CP15_MMU
select CPU_PABRT_LEGACY
select CPU_THUMB_CAPABLE
select CPU_TLB_V4WBI if MMU
help
The ARM920T is licensed to be produced by numerous vendors,
and is used in the Cirrus EP93xx and the Samsung S3C2410.
Say Y if you want support for the ARM920T processor.
Otherwise, say N.
# ARM922T
config CPU_ARM922T
bool
select CPU_32v4T
select CPU_ABRT_EV4T
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_COPY_V4WB if MMU
select CPU_CP15_MMU
select CPU_PABRT_LEGACY
select CPU_THUMB_CAPABLE
select CPU_TLB_V4WBI if MMU
help
The ARM922T is a version of the ARM920T, but with smaller
instruction and data caches. It is used in Altera's
Excalibur XA device family and Micrel's KS8695 Centaur.
Say Y if you want support for the ARM922T processor.
Otherwise, say N.
# ARM925T
config CPU_ARM925T
bool
select CPU_32v4T
select CPU_ABRT_EV4T
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_COPY_V4WB if MMU
select CPU_CP15_MMU
select CPU_PABRT_LEGACY
select CPU_THUMB_CAPABLE
select CPU_TLB_V4WBI if MMU
help
The ARM925T is a mix between the ARM920T and ARM926T, but with
different instruction and data caches. It is used in TI's OMAP
device family.
Say Y if you want support for the ARM925T processor.
Otherwise, say N.
# ARM926T
config CPU_ARM926T
bool
select CPU_32v5
select CPU_ABRT_EV5TJ
select CPU_CACHE_VIVT
select CPU_COPY_V4WB if MMU
select CPU_CP15_MMU
select CPU_PABRT_LEGACY
select CPU_THUMB_CAPABLE
select CPU_TLB_V4WBI if MMU
help
This is a variant of the ARM920. It has slightly different
instruction sequences for cache and TLB operations. Curiously,
there is no documentation on it at the ARM corporate website.
Say Y if you want support for the ARM926T processor.
Otherwise, say N.
# FA526
config CPU_FA526
bool
select CPU_32v4
select CPU_ABRT_EV4
select CPU_CACHE_FA
select CPU_CACHE_VIVT
select CPU_COPY_FA if MMU
select CPU_CP15_MMU
select CPU_PABRT_LEGACY
select CPU_TLB_FA if MMU
help
The FA526 is a version of the ARMv4 compatible processor with
Branch Target Buffer, Unified TLB and cache line size 16.
Say Y if you want support for the FA526 processor.
Otherwise, say N.
# ARM940T
config CPU_ARM940T
bool
depends on !MMU
select CPU_32v4T
select CPU_ABRT_NOMMU
select CPU_CACHE_VIVT
select CPU_CP15_MPU
select CPU_PABRT_LEGACY
select CPU_THUMB_CAPABLE
help
ARM940T is a member of the ARM9TDMI family of general-
purpose microprocessors with MPU and separate 4KB
instruction and 4KB data cases, each with a 4-word line
length.
Say Y if you want support for the ARM940T processor.
Otherwise, say N.
# ARM946E-S
config CPU_ARM946E
bool
depends on !MMU
select CPU_32v5
select CPU_ABRT_NOMMU
select CPU_CACHE_VIVT
select CPU_CP15_MPU
select CPU_PABRT_LEGACY
select CPU_THUMB_CAPABLE
help
ARM946E-S is a member of the ARM9E-S family of high-
performance, 32-bit system-on-chip processor solutions.
The TCM and ARMv5TE 32-bit instruction set is supported.
Say Y if you want support for the ARM946E-S processor.
Otherwise, say N.
# ARM1020 - needs validating
config CPU_ARM1020
bool
select CPU_32v5
select CPU_ABRT_EV4T
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_COPY_V4WB if MMU
select CPU_CP15_MMU
select CPU_PABRT_LEGACY
select CPU_THUMB_CAPABLE
select CPU_TLB_V4WBI if MMU
help
The ARM1020 is the 32K cached version of the ARM10 processor,
with an addition of a floating-point unit.
Say Y if you want support for the ARM1020 processor.
Otherwise, say N.
# ARM1020E - needs validating
config CPU_ARM1020E
bool
depends on n
select CPU_32v5
select CPU_ABRT_EV4T
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_COPY_V4WB if MMU
select CPU_CP15_MMU
select CPU_PABRT_LEGACY
select CPU_THUMB_CAPABLE
select CPU_TLB_V4WBI if MMU
# ARM1022E
config CPU_ARM1022
bool
select CPU_32v5
select CPU_ABRT_EV4T
select CPU_CACHE_VIVT
select CPU_COPY_V4WB