diff options
Diffstat (limited to 'arch/arm/mm/Kconfig')
| -rw-r--r-- | arch/arm/mm/Kconfig | 123 |
1 files changed, 70 insertions, 53 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 101b9681c08..94186b6c685 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -10,8 +10,8 @@ config CPU_ARM7TDMI depends on !MMU select CPU_32v4T select CPU_ABRT_LV4T - select CPU_PABRT_LEGACY 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. @@ -24,11 +24,11 @@ config CPU_ARM720T bool "Support ARM720T processor" if ARCH_INTEGRATOR select CPU_32v4T select CPU_ABRT_LV4T - select CPU_PABRT_LEGACY select CPU_CACHE_V4 select CPU_CACHE_VIVT - select CPU_CP15_MMU select CPU_COPY_V4WT if MMU + select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WT if MMU help A 32-bit RISC processor with 8kByte Cache, Write Buffer and @@ -43,9 +43,9 @@ config CPU_ARM740T depends on !MMU select CPU_32v4T select CPU_ABRT_LV4T - select CPU_PABRT_LEGACY select CPU_CACHE_V3 # although the core is v4t select CPU_CP15_MPU + select CPU_PABRT_LEGACY help A 32-bit RISC processor with 8KB cache or 4KB variants, write buffer and MPU(Protection Unit) built around @@ -60,8 +60,8 @@ config CPU_ARM9TDMI depends on !MMU select CPU_32v4T select CPU_ABRT_NOMMU - select CPU_PABRT_LEGACY 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. @@ -74,11 +74,11 @@ config CPU_ARM920T bool "Support ARM920T processor" if ARCH_INTEGRATOR select CPU_32v4T select CPU_ABRT_EV4T - select CPU_PABRT_LEGACY select CPU_CACHE_V4WT select CPU_CACHE_VIVT - select CPU_CP15_MMU select CPU_COPY_V4WB if MMU + select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WBI if MMU help The ARM920T is licensed to be produced by numerous vendors, @@ -92,11 +92,11 @@ config CPU_ARM922T bool "Support ARM922T processor" if ARCH_INTEGRATOR select CPU_32v4T select CPU_ABRT_EV4T - select CPU_PABRT_LEGACY select CPU_CACHE_V4WT select CPU_CACHE_VIVT - select CPU_CP15_MMU select CPU_COPY_V4WB if MMU + select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WBI if MMU help The ARM922T is a version of the ARM920T, but with smaller @@ -111,11 +111,11 @@ config CPU_ARM925T bool "Support ARM925T processor" if ARCH_OMAP1 select CPU_32v4T select CPU_ABRT_EV4T - select CPU_PABRT_LEGACY select CPU_CACHE_V4WT select CPU_CACHE_VIVT - select CPU_CP15_MMU select CPU_COPY_V4WB if MMU + select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WBI if MMU help The ARM925T is a mix between the ARM920T and ARM926T, but with @@ -130,10 +130,10 @@ config CPU_ARM926T bool "Support ARM926T processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB select CPU_32v5 select CPU_ABRT_EV5TJ - select CPU_PABRT_LEGACY select CPU_CACHE_VIVT - select CPU_CP15_MMU select CPU_COPY_V4WB if MMU + select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WBI if MMU help This is a variant of the ARM920. It has slightly different @@ -148,11 +148,11 @@ 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_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 @@ -167,9 +167,9 @@ config CPU_ARM940T depends on !MMU select CPU_32v4T select CPU_ABRT_NOMMU - select CPU_PABRT_LEGACY select CPU_CACHE_VIVT select CPU_CP15_MPU + select CPU_PABRT_LEGACY help ARM940T is a member of the ARM9TDMI family of general- purpose microprocessors with MPU and separate 4KB @@ -185,9 +185,9 @@ config CPU_ARM946E depends on !MMU select CPU_32v5 select CPU_ABRT_NOMMU - select CPU_PABRT_LEGACY select CPU_CACHE_VIVT select CPU_CP15_MPU + select CPU_PABRT_LEGACY help ARM946E-S is a member of the ARM9E-S family of high- performance, 32-bit system-on-chip processor solutions. @@ -201,11 +201,11 @@ config CPU_ARM1020 bool "Support ARM1020T (rev 0) processor" if ARCH_INTEGRATOR select CPU_32v5 select CPU_ABRT_EV4T - select CPU_PABRT_LEGACY select CPU_CACHE_V4WT select CPU_CACHE_VIVT - select CPU_CP15_MMU select CPU_COPY_V4WB if MMU + select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WBI if MMU help The ARM1020 is the 32K cached version of the ARM10 processor, @@ -217,25 +217,25 @@ config CPU_ARM1020 # ARM1020E - needs validating config CPU_ARM1020E bool "Support ARM1020E processor" if ARCH_INTEGRATOR + depends on n select CPU_32v5 select CPU_ABRT_EV4T - select CPU_PABRT_LEGACY select CPU_CACHE_V4WT select CPU_CACHE_VIVT - select CPU_CP15_MMU select CPU_COPY_V4WB if MMU + select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WBI if MMU - depends on n # ARM1022E config CPU_ARM1022 bool "Support ARM1022E processor" if ARCH_INTEGRATOR select CPU_32v5 select CPU_ABRT_EV4T - select CPU_PABRT_LEGACY select CPU_CACHE_VIVT - select CPU_CP15_MMU select CPU_COPY_V4WB if MMU # can probably do better + select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WBI if MMU help The ARM1022E is an implementation of the ARMv5TE architecture @@ -250,10 +250,10 @@ config CPU_ARM1026 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_LEGACY select CPU_CACHE_VIVT - select CPU_CP15_MMU select CPU_COPY_V4WB if MMU # can probably do better + select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WBI if MMU help The ARM1026EJ-S is an implementation of the ARMv5TEJ architecture @@ -268,11 +268,11 @@ config CPU_SA110 select CPU_32v3 if ARCH_RPC select CPU_32v4 if !ARCH_RPC select CPU_ABRT_EV4 - select CPU_PABRT_LEGACY select CPU_CACHE_V4WB select CPU_CACHE_VIVT - select CPU_CP15_MMU select CPU_COPY_V4WB if MMU + select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WB if MMU help The Intel StrongARM(R) SA-110 is a 32-bit microprocessor and @@ -288,10 +288,10 @@ config CPU_SA1100 bool select CPU_32v4 select CPU_ABRT_EV4 - select CPU_PABRT_LEGACY select CPU_CACHE_V4WB select CPU_CACHE_VIVT select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WB if MMU # XScale @@ -299,9 +299,9 @@ config CPU_XSCALE bool select CPU_32v5 select CPU_ABRT_EV5T - select CPU_PABRT_LEGACY select CPU_CACHE_VIVT select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WBI if MMU # XScale Core Version 3 @@ -309,9 +309,9 @@ config CPU_XSC3 bool select CPU_32v5 select CPU_ABRT_EV5T - select CPU_PABRT_LEGACY select CPU_CACHE_VIVT select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WBI if MMU select IO_36 @@ -320,21 +320,21 @@ config CPU_MOHAWK bool select CPU_32v5 select CPU_ABRT_EV5T - select CPU_PABRT_LEGACY select CPU_CACHE_VIVT + select CPU_COPY_V4WB if MMU select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_V4WBI if MMU - select CPU_COPY_V4WB if MMU # Feroceon config CPU_FEROCEON bool select CPU_32v5 select CPU_ABRT_EV5T - select CPU_PABRT_LEGACY select CPU_CACHE_VIVT - select CPU_CP15_MMU select CPU_COPY_FEROCEON if MMU + select CPU_CP15_MMU + select CPU_PABRT_LEGACY select CPU_TLB_FEROCEON if MMU config CPU_FEROCEON_OLD_ID @@ -349,20 +349,20 @@ config CPU_FEROCEON_OLD_ID # Marvell PJ4 config CPU_PJ4 bool - select CPU_V7 select ARM_THUMBEE + select CPU_V7 # ARMv6 config CPU_V6 bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX select CPU_32v6 select CPU_ABRT_EV6 - select CPU_PABRT_V6 select CPU_CACHE_V6 select CPU_CACHE_VIPT + select CPU_COPY_V6 if MMU select CPU_CP15_MMU select CPU_HAS_ASID if MMU - select CPU_COPY_V6 if MMU + select CPU_PABRT_V6 select CPU_TLB_V6 if MMU # ARMv6k @@ -371,12 +371,12 @@ config CPU_V6K select CPU_32v6 select CPU_32v6K select CPU_ABRT_EV6 - select CPU_PABRT_V6 select CPU_CACHE_V6 select CPU_CACHE_VIPT + select CPU_COPY_V6 if MMU select CPU_CP15_MMU select CPU_HAS_ASID if MMU - select CPU_COPY_V6 if MMU + select CPU_PABRT_V6 select CPU_TLB_V6 if MMU # ARMv7 @@ -385,44 +385,44 @@ config CPU_V7 select CPU_32v6K select CPU_32v7 select CPU_ABRT_EV7 - select CPU_PABRT_V7 select CPU_CACHE_V7 select CPU_CACHE_VIPT + select CPU_COPY_V6 if MMU select CPU_CP15_MMU select CPU_HAS_ASID if MMU - select CPU_COPY_V6 if MMU + select CPU_PABRT_V7 select CPU_TLB_V7 if MMU # Figure out what processor architecture version we should be using. # This defines the compiler instruction set which depends on the machine type. config CPU_32v3 bool - select TLS_REG_EMUL if SMP || !MMU - select NEEDS_SYSCALL_FOR_CMPXCHG if SMP select CPU_USE_DOMAINS if MMU + select NEEDS_SYSCALL_FOR_CMPXCHG if SMP + select TLS_REG_EMUL if SMP || !MMU config CPU_32v4 bool - select TLS_REG_EMUL if SMP || !MMU - select NEEDS_SYSCALL_FOR_CMPXCHG if SMP select CPU_USE_DOMAINS if MMU + select NEEDS_SYSCALL_FOR_CMPXCHG if SMP + select TLS_REG_EMUL if SMP || !MMU config CPU_32v4T bool - select TLS_REG_EMUL if SMP || !MMU - select NEEDS_SYSCALL_FOR_CMPXCHG if SMP select CPU_USE_DOMAINS if MMU + select NEEDS_SYSCALL_FOR_CMPXCHG if SMP + select TLS_REG_EMUL if SMP || !MMU config CPU_32v5 bool - select TLS_REG_EMUL if SMP || !MMU - select NEEDS_SYSCALL_FOR_CMPXCHG if SMP select CPU_USE_DOMAINS if MMU + select NEEDS_SYSCALL_FOR_CMPXCHG if SMP + select TLS_REG_EMUL if SMP || !MMU config CPU_32v6 bool - select TLS_REG_EMUL if !CPU_32v6K && !MMU select CPU_USE_DOMAINS if CPU_V6 && MMU + select TLS_REG_EMUL if !CPU_32v6K && !MMU config CPU_32v6K bool @@ -624,11 +624,28 @@ config ARM_THUMBEE Say Y here if you have a CPU with the ThumbEE extension and code to make use of it. Say N for code that can run on CPUs without ThumbEE. +config ARM_VIRT_EXT + bool "Native support for the ARM Virtualization Extensions" + depends on MMU && CPU_V7 + help + Enable the kernel to make use of the ARM Virtualization + Extensions to install hypervisors without run-time firmware + assistance. + + A compliant bootloader is required in order to make maximum + use of this feature. Refer to Documentation/arm/Booting for + details. + + It is safe to enable this option even if the kernel may not be + booted in HYP mode, may not have support for the + virtualization extensions, or may be booted with a + non-compliant bootloader. + config SWP_EMULATE bool "Emulate SWP/SWPB instructions" depends on !CPU_USE_DOMAINS && CPU_V7 - select HAVE_PROC_CPU if PROC_FS default y if SMP + select HAVE_PROC_CPU if PROC_FS help ARMv6 architecture deprecates use of the SWP/SWPB instructions. ARMv7 multiprocessing extensions introduce the ability to disable |