comment "Processor Type"
-config CPU_32
- bool
- default y
-
# Select CPU types depending on the architecture selected. This selects
# which CPUs we support in the kernel image, and the compiler instruction
# optimiser behaviour.
# ARM610
config CPU_ARM610
- bool "Support ARM610 processor"
- depends on ARCH_RPC
+ bool "Support ARM610 processor" if ARCH_RPC
select CPU_32v3
select CPU_CACHE_V3
select CPU_CACHE_VIVT
select CPU_CP15_MMU
select CPU_COPY_V3 if MMU
select CPU_TLB_V3 if MMU
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
help
The ARM610 is the successor to the ARM3 processor
and was produced by VLSI Technology Inc.
depends on !MMU
select CPU_32v4T
select CPU_ABRT_LV4T
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_V4
help
A 32-bit RISC microprocessor based on the ARM7 processor core
# ARM710
config CPU_ARM710
- bool "Support ARM710 processor" if !ARCH_CLPS7500 && ARCH_RPC
- default y if ARCH_CLPS7500
+ bool "Support ARM710 processor" if ARCH_RPC
select CPU_32v3
select CPU_CACHE_V3
select CPU_CACHE_VIVT
select CPU_CP15_MMU
select CPU_COPY_V3 if MMU
select CPU_TLB_V3 if MMU
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
help
A 32-bit RISC microprocessor based on the ARM7 processor core
designed by Advanced RISC Machines Ltd. The ARM710 is the
# ARM720T
config CPU_ARM720T
- bool "Support ARM720T processor" if !ARCH_CLPS711X && !ARCH_L7200 && !ARCH_CDB89712 && ARCH_INTEGRATOR
- default y if ARCH_CLPS711X || ARCH_L7200 || ARCH_CDB89712 || ARCH_H720X
+ bool "Support ARM720T processor" if ARCH_INTEGRATOR
select CPU_32v4T
select CPU_ABRT_LV4T
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_V4
select CPU_CACHE_VIVT
select CPU_CP15_MMU
depends on !MMU
select CPU_32v4T
select CPU_ABRT_LV4T
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_V3 # although the core is v4t
select CPU_CP15_MPU
help
depends on !MMU
select CPU_32v4T
select CPU_ABRT_NOMMU
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_V4
help
A 32-bit RISC microprocessor based on the ARM9 processor core
# ARM920T
config CPU_ARM920T
- bool "Support ARM920T processor"
- depends on ARCH_EP93XX || ARCH_INTEGRATOR || CPU_S3C2410 || CPU_S3C2440 || CPU_S3C2442 || ARCH_IMX || ARCH_AAEC2000 || ARCH_AT91RM9200
- default y if CPU_S3C2410 || CPU_S3C2440 || CPU_S3C2442 || ARCH_AT91RM9200
+ bool "Support ARM920T processor" if ARCH_INTEGRATOR
select CPU_32v4T
select CPU_ABRT_EV4T
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_CP15_MMU
select CPU_TLB_V4WBI if MMU
help
The ARM920T is licensed to be produced by numerous vendors,
- and is used in the Maverick EP9312 and the Samsung S3C2410.
-
- More information on the Maverick EP9312 at
- <http://linuxdevices.com/products/PD2382866068.html>.
+ 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 "Support ARM922T processor" if ARCH_INTEGRATOR
- depends on ARCH_LH7A40X || ARCH_INTEGRATOR || ARCH_KS8695
- default y if ARCH_LH7A40X || ARCH_KS8695
select CPU_32v4T
select CPU_ABRT_EV4T
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_CP15_MMU
# ARM925T
config CPU_ARM925T
bool "Support ARM925T processor" if ARCH_OMAP1
- depends on ARCH_OMAP15XX
- default y if ARCH_OMAP15XX
select CPU_32v4T
select CPU_ABRT_EV4T
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_CP15_MMU
# ARM926T
config CPU_ARM926T
- bool "Support ARM926T processor"
- depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 || ARCH_NS9XXX || ARCH_DAVINCI
- default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 || ARCH_AT91SAM9260 || ARCH_AT91SAM9261 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9 || ARCH_NS9XXX || ARCH_DAVINCI
+ bool "Support ARM926T processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB
select CPU_32v5
select CPU_ABRT_EV5TJ
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_VIVT
select CPU_CP15_MMU
select CPU_COPY_V4WB if MMU
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_PABRT_LEGACY
+ select CPU_CACHE_VIVT
+ select CPU_CP15_MMU
+ select CPU_CACHE_FA
+ select CPU_COPY_FA if MMU
+ 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 "Support ARM940T processor" if ARCH_INTEGRATOR
depends on !MMU
select CPU_32v4T
select CPU_ABRT_NOMMU
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_VIVT
select CPU_CP15_MPU
help
depends on !MMU
select CPU_32v5
select CPU_ABRT_NOMMU
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_VIVT
select CPU_CP15_MPU
help
# ARM1020 - needs validating
config CPU_ARM1020
- bool "Support ARM1020T (rev 0) processor"
- depends on ARCH_INTEGRATOR
+ bool "Support ARM1020T (rev 0) processor" if ARCH_INTEGRATOR
select CPU_32v5
select CPU_ABRT_EV4T
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_CP15_MMU
# ARM1020E - needs validating
config CPU_ARM1020E
- bool "Support ARM1020E processor"
- depends on ARCH_INTEGRATOR
+ bool "Support ARM1020E processor" if ARCH_INTEGRATOR
select CPU_32v5
select CPU_ABRT_EV4T
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_V4WT
select CPU_CACHE_VIVT
select CPU_CP15_MMU
# ARM1022E
config CPU_ARM1022
- bool "Support ARM1022E processor"
- depends on ARCH_INTEGRATOR
+ bool "Support ARM1022E processor" if ARCH_INTEGRATOR
select CPU_32v5
select CPU_ABRT_EV4T
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_VIVT
select CPU_CP15_MMU
select CPU_COPY_V4WB if MMU # can probably do better
# ARM1026EJ-S
config CPU_ARM1026
- bool "Support ARM1026EJ-S processor"
- depends on ARCH_INTEGRATOR
+ bool "Support ARM1026EJ-S processor" if ARCH_INTEGRATOR
select CPU_32v5
select CPU_ABRT_EV5T # But need Jazelle, but EV5TJ ignores bit 10
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_VIVT
select CPU_CP15_MMU
select CPU_COPY_V4WB if MMU # can probably do better
# SA110
config CPU_SA110
- bool "Support StrongARM(R) SA-110 processor" if !ARCH_EBSA110 && !FOOTBRIDGE && !ARCH_TBOX && !ARCH_SHARK && !ARCH_NEXUSPCI && ARCH_RPC
- default y if ARCH_EBSA110 || FOOTBRIDGE || ARCH_TBOX || ARCH_SHARK || ARCH_NEXUSPCI
+ bool "Support StrongARM(R) SA-110 processor" if ARCH_RPC
select CPU_32v3 if ARCH_RPC
select CPU_32v4 if !ARCH_RPC
select CPU_ABRT_EV4
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_V4WB
select CPU_CACHE_VIVT
select CPU_CP15_MMU
# SA1100
config CPU_SA1100
bool
- depends on ARCH_SA1100
- default y
select CPU_32v4
select CPU_ABRT_EV4
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_V4WB
select CPU_CACHE_VIVT
select CPU_CP15_MMU
# XScale
config CPU_XSCALE
bool
- depends on ARCH_IOP32X || ARCH_IOP33X || PXA25x || PXA27x || ARCH_IXP4XX || ARCH_IXP2000
- default y
select CPU_32v5
select CPU_ABRT_EV5T
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_VIVT
select CPU_CP15_MMU
select CPU_TLB_V4WBI if MMU
# XScale Core Version 3
config CPU_XSC3
bool
- depends on ARCH_IXP23XX || ARCH_IOP13XX || PXA3xx
- default y
select CPU_32v5
select CPU_ABRT_EV5T
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_VIVT
select CPU_CP15_MMU
select CPU_TLB_V4WBI if MMU
select IO_36
+# Marvell PJ1 (Mohawk)
+config CPU_MOHAWK
+ bool
+ select CPU_32v5
+ select CPU_ABRT_EV5T
+ select CPU_PABRT_LEGACY
+ select CPU_CACHE_VIVT
+ select CPU_CP15_MMU
+ select CPU_TLB_V4WBI if MMU
+ select CPU_COPY_V4WB if MMU
+
# Feroceon
config CPU_FEROCEON
bool
- depends on ARCH_ORION5X || ARCH_LOKI
- default y
select CPU_32v5
select CPU_ABRT_EV5T
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_LEGACY
select CPU_CACHE_VIVT
select CPU_CP15_MMU
select CPU_COPY_FEROCEON if MMU
# ARMv6
config CPU_V6
- bool "Support ARM V6 processor"
- depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP2 || ARCH_MX3 || ARCH_MSM7X00A || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176
- default y if ARCH_MX3
- default y if ARCH_MSM7X00A
+ bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX || ARCH_DOVE
select CPU_32v6
select CPU_ABRT_EV6
- select CPU_PABRT_NOIFAR
+ select CPU_PABRT_V6
select CPU_CACHE_V6
select CPU_CACHE_VIPT
select CPU_CP15_MMU
config CPU_32v6K
bool "Support ARM V6K processor extensions" if !SMP
depends on CPU_V6
- default y if SMP && !ARCH_MX3
+ default y if SMP && !(ARCH_MX3 || ARCH_OMAP2)
help
Say Y here if your ARMv6 processor supports the 'K' extension.
This enables the kernel to use some instructions not present
# ARMv7
config CPU_V7
- bool "Support ARM V7 processor"
- depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB
- select CPU_32v6K
+ bool "Support ARM V7 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX
+ select CPU_32v6K if !ARCH_OMAP2
select CPU_32v7
select CPU_ABRT_EV7
- select CPU_PABRT_IFAR
+ select CPU_PABRT_V7
select CPU_CACHE_V7
select CPU_CACHE_VIPT
select CPU_CP15_MMU
config CPU_ABRT_EV7
bool
-config CPU_PABRT_IFAR
+config CPU_PABRT_LEGACY
bool
-config CPU_PABRT_NOIFAR
+config CPU_PABRT_V6
+ bool
+
+config CPU_PABRT_V7
bool
# The cache model
config CPU_CACHE_VIPT
bool
+config CPU_CACHE_FA
+ bool
+
if MMU
# The copy-page model
config CPU_COPY_V3
config CPU_COPY_FEROCEON
bool
+config CPU_COPY_FA
+ bool
+
config CPU_COPY_V6
bool
help
Feroceon TLB (v4wbi with non-outer-cachable page table walks).
+config CPU_TLB_FA
+ bool
+ help
+ Faraday ARM FA526 architecture, unified TLB with writeback cache
+ and invalidate instruction cache entry. Branch target buffer is
+ also supported.
+
config CPU_TLB_V6
bool
config ARM_THUMB
bool "Support Thumb user binaries"
- depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_V6 || CPU_V7 || CPU_FEROCEON
+ depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_V6 || CPU_V7 || CPU_FEROCEON
default y
help
Say Y if you want to include kernel support for running user space
port must properly enable any big-endian related features
of your chipset/board/processor.
+config CPU_ENDIAN_BE8
+ bool
+ depends on CPU_BIG_ENDIAN
+ default CPU_V6 || CPU_V7
+ help
+ Support for the BE-8 (big-endian) mode on ARMv6 and ARMv7 processors.
+
+config CPU_ENDIAN_BE32
+ bool
+ depends on CPU_BIG_ENDIAN
+ default !CPU_ENDIAN_BE8
+ help
+ Support for the BE-32 (big-endian) mode on pre-ARMv6 processors.
+
config CPU_HIGH_VECTOR
depends on !MMU && CPU_CP15 && !CPU_ARM740T
bool "Select the High exception vector"
- default n
help
Say Y here to select high exception vector(0xFFFF0000~).
The exception vector can be vary depending on the platform
config CPU_DCACHE_WRITETHROUGH
bool "Force write through D-cache"
- depends on (CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020) && !CPU_DCACHE_DISABLE
+ depends on (CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_FA526) && !CPU_DCACHE_DISABLE
default y if CPU_ARM925T
help
Say Y here to use the data cache in writethrough mode. Unless you
config CPU_BPREDICT_DISABLE
bool "Disable branch prediction"
- depends on CPU_ARM1020 || CPU_V6 || CPU_XSC3 || CPU_V7
+ depends on CPU_ARM1020 || CPU_V6 || CPU_MOHAWK || CPU_XSC3 || CPU_V7 || CPU_FA526
help
Say Y here to disable branch prediction. If unsure, say N.
config OUTER_CACHE
bool
- default n
config CACHE_FEROCEON_L2
bool "Enable the Feroceon L2 cache controller"
- depends on FOOBAR
+ depends on ARCH_KIRKWOOD || ARCH_MV78XX0
default y
select OUTER_CACHE
help
This option enables the Feroceon L2 cache controller.
+config CACHE_FEROCEON_L2_WRITETHROUGH
+ bool "Force Feroceon L2 cache write through"
+ depends on CACHE_FEROCEON_L2
+ help
+ Say Y here to use the Feroceon L2 cache in writethrough mode.
+ Unless you specifically require this, say N for writeback mode.
+
config CACHE_L2X0
bool "Enable the L2x0 outer cache controller"
- depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176
+ depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176 || \
+ REALVIEW_EB_A9MP || ARCH_MX35 || ARCH_MX31 || MACH_REALVIEW_PBX || \
+ ARCH_NOMADIK || ARCH_OMAP4 || ARCH_VEXPRESS_CA9X4
default y
select OUTER_CACHE
help
This option enables the L2x0 PrimeCell.
+
+config CACHE_TAUROS2
+ bool "Enable the Tauros2 L2 cache controller"
+ depends on ARCH_DOVE
+ default y
+ select OUTER_CACHE
+ help
+ This option enables the Tauros2 L2 cache controller (as
+ found on PJ1/PJ4).
+
+config CACHE_XSC3L2
+ bool "Enable the L2 cache on XScale3"
+ depends on CPU_XSC3
+ default y
+ select OUTER_CACHE
+ help
+ This option enables the L2 cache on XScale3.
+
+config ARM_L1_CACHE_SHIFT
+ int
+ default 6 if ARM_L1_CACHE_SHIFT_6
+ default 5
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