diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 172 |
1 files changed, 49 insertions, 123 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 8869742a85df..8a50efb559f3 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -4,8 +4,11 @@ config ARM default y select ARCH_32BIT_OFF_T select ARCH_CLOCKSOURCE_DATA + select ARCH_HAS_BINFMT_FLAT select ARCH_HAS_DEBUG_VIRTUAL if MMU select ARCH_HAS_DEVMEM_IS_ALLOWED + select ARCH_HAS_DMA_COHERENT_TO_PFN if SWIOTLB + select ARCH_HAS_DMA_WRITE_COMBINE if !ARM_DMA_MEM_BUFFERABLE select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_KEEPINITRD @@ -17,6 +20,8 @@ config ARM select ARCH_HAS_SET_MEMORY select ARCH_HAS_STRICT_KERNEL_RWX if MMU && !XIP_KERNEL select ARCH_HAS_STRICT_MODULE_RWX if MMU + select ARCH_HAS_SYNC_DMA_FOR_DEVICE if SWIOTLB + select ARCH_HAS_SYNC_DMA_FOR_CPU if SWIOTLB select ARCH_HAS_TEARDOWN_DMA_OPS if MMU select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_HAVE_CUSTOM_GPIO_H @@ -29,7 +34,9 @@ config ARM select ARCH_SUPPORTS_ATOMIC_RMW select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF + select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU select ARCH_WANT_IPC_PARSE_VERSION + select BINFMT_FLAT_ARGVP_ENVP_ON_STACK select BUILDTIME_EXTABLE_SORT if MMU select CLONE_BACKWARDS select CPU_PM if SUSPEND || CPU_IDLE @@ -73,9 +80,10 @@ config ARM select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE select HAVE_EFFICIENT_UNALIGNED_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && MMU select HAVE_EXIT_THREAD + select HAVE_FAST_GUP if ARM_LPAE select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL && !CC_IS_CLANG - select HAVE_FUNCTION_TRACER if !XIP_KERNEL + select HAVE_FUNCTION_TRACER if !XIP_KERNEL && (CC_IS_GCC || CLANG_VERSION >= 100000) select HAVE_GCC_PLUGINS select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7) select HAVE_IDE if PCI || ISA || PCMCIA @@ -260,8 +268,6 @@ config PHYS_OFFSET default 0x00000000 if ARCH_EBSA110 || \ ARCH_FOOTBRIDGE || \ ARCH_INTEGRATOR || \ - ARCH_IOP13XX || \ - ARCH_KS8695 || \ ARCH_REALVIEW default 0x10000000 if ARCH_OMAP1 || ARCH_RPC default 0x20000000 if ARCH_S5PV210 @@ -374,28 +380,6 @@ config ARCH_FOOTBRIDGE Support for systems based on the DC21285 companion chip ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. -config ARCH_NETX - bool "Hilscher NetX based" - select ARM_VIC - select CLKSRC_MMIO - select CPU_ARM926T - select GENERIC_CLOCKEVENTS - help - This enables support for systems based on the Hilscher NetX Soc - -config ARCH_IOP13XX - bool "IOP13xx-based" - depends on MMU - select CPU_XSC3 - select NEED_MACH_MEMORY_H - select NEED_RET_TO_USER - select FORCE_PCI - select PLAT_IOP - select VMSPLIT_1G - select SPARSE_IRQ - help - Support for Intel's IOP13XX (XScale) family of processors. - config ARCH_IOP32X bool "IOP32x-based" depends on MMU @@ -409,18 +393,6 @@ config ARCH_IOP32X Support for Intel's 80219 and IOP32X (XScale) family of processors. -config ARCH_IOP33X - bool "IOP33x-based" - depends on MMU - select CPU_XSCALE - select GPIO_IOP - select GPIOLIB - select NEED_RET_TO_USER - select FORCE_PCI - select PLAT_IOP - help - Support for Intel's IOP33X (XScale) family of processors. - config ARCH_IXP4XX bool "IXP4xx-based" depends on MMU @@ -457,48 +429,6 @@ config ARCH_DOVE help Support for the Marvell Dove SoC 88AP510 -config ARCH_KS8695 - bool "Micrel/Kendin KS8695" - select CLKSRC_MMIO - select CPU_ARM922T - select GENERIC_CLOCKEVENTS - select GPIOLIB - select NEED_MACH_MEMORY_H - help - Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based - System-on-Chip devices. - -config ARCH_W90X900 - bool "Nuvoton W90X900 CPU" - select CLKDEV_LOOKUP - select CLKSRC_MMIO - select CPU_ARM926T - select GENERIC_CLOCKEVENTS - select GPIOLIB - help - Support for Nuvoton (Winbond logic dept.) ARM9 processor, - At present, the w90x900 has been renamed nuc900, regarding - the ARM series product line, you can login the following - link address to know more. - - <http://www.nuvoton.com/hq/enu/ProductAndSales/ProductLines/ - ConsumerElectronicsIC/ARMMicrocontroller/ARMMicrocontroller> - -config ARCH_LPC32XX - bool "NXP LPC32XX" - select ARM_AMBA - select CLKDEV_LOOKUP - select CLKSRC_LPC32XX - select COMMON_CLK - select CPU_ARM926T - select GENERIC_CLOCKEVENTS - select GENERIC_IRQ_MULTI_HANDLER - select GPIOLIB - select SPARSE_IRQ - select USE_OF - help - Support for the NXP LPC32XX family of processors - config ARCH_PXA bool "PXA2xx/PXA3xx-based" depends on MMU @@ -528,7 +458,7 @@ config ARCH_RPC select ARCH_ACORN select ARCH_MAY_HAVE_PC_FDC select ARCH_SPARSEMEM_ENABLE - select ARCH_USES_GETTIMEOFFSET + select ARM_HAS_SG_CHAIN select CPU_SA110 select FIQ select HAVE_IDE @@ -549,6 +479,7 @@ config ARCH_SA1100 select CLKSRC_MMIO select CLKSRC_PXA select TIMER_OF if OF + select COMMON_CLK select CPU_FREQ select CPU_SA1100 select GENERIC_CLOCKEVENTS @@ -583,27 +514,6 @@ config ARCH_S3C24XX (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the Samsung SMDK2410 development board (and derivatives). -config ARCH_DAVINCI - bool "TI DaVinci" - select ARCH_HAS_HOLES_MEMORYMODEL - select COMMON_CLK - select CPU_ARM926T - select GENERIC_ALLOCATOR - select GENERIC_CLOCKEVENTS - select GENERIC_IRQ_CHIP - select GENERIC_IRQ_MULTI_HANDLER - select GPIOLIB - select HAVE_IDE - select PM_GENERIC_DOMAINS if PM - select PM_GENERIC_DOMAINS_OF if PM && OF - select REGMAP_MMIO - select RESET_CONTROLLER - select SPARSE_IRQ - select USE_OF - select ZONE_DMA - help - Support for TI's DaVinci platform. - config ARCH_OMAP1 bool "TI OMAP1" depends on MMU @@ -739,17 +649,13 @@ source "arch/arm/mach-imx/Kconfig" source "arch/arm/mach-integrator/Kconfig" -source "arch/arm/mach-iop13xx/Kconfig" - source "arch/arm/mach-iop32x/Kconfig" -source "arch/arm/mach-iop33x/Kconfig" - source "arch/arm/mach-ixp4xx/Kconfig" source "arch/arm/mach-keystone/Kconfig" -source "arch/arm/mach-ks8695/Kconfig" +source "arch/arm/mach-lpc32xx/Kconfig" source "arch/arm/mach-mediatek/Kconfig" @@ -767,8 +673,6 @@ source "arch/arm/mach-mvebu/Kconfig" source "arch/arm/mach-mxs/Kconfig" -source "arch/arm/mach-netx/Kconfig" - source "arch/arm/mach-nomadik/Kconfig" source "arch/arm/mach-npcm/Kconfig" @@ -837,8 +741,6 @@ source "arch/arm/plat-versatile/Kconfig" source "arch/arm/mach-vt8500/Kconfig" -source "arch/arm/mach-w90x900/Kconfig" - source "arch/arm/mach-zx/Kconfig" source "arch/arm/mach-zynq/Kconfig" @@ -1175,6 +1077,14 @@ config ARM_ERRATA_825619 DMB NSHST or DMB ISHST instruction followed by a mix of Cacheable and Device/Strongly-Ordered loads and stores might cause deadlock +config ARM_ERRATA_857271 + bool "ARM errata: A12: CPU might deadlock under some very rare internal conditions" + depends on CPU_V7 + help + This option enables the workaround for the 857271 Cortex-A12 + (all revs) erratum. Under very rare timing conditions, the CPU might + hang. The workaround is expected to have a < 1% performance impact. + config ARM_ERRATA_852421 bool "ARM errata: A17: DMB ST might fail to create order between stores" depends on CPU_V7 @@ -1196,6 +1106,16 @@ config ARM_ERRATA_852423 config option from the A12 erratum due to the way errata are checked for and handled. +config ARM_ERRATA_857272 + bool "ARM errata: A17: CPU might deadlock under some very rare internal conditions" + depends on CPU_V7 + help + This option enables the workaround for the 857272 Cortex-A17 erratum. + This erratum is not known to be fixed in any A17 revision. + This is identical to Cortex-A12 erratum 857271. It is a separate + config option from the A12 erratum due to the way errata are checked + for and handled. + endmenu source "arch/arm/common/Kconfig" @@ -1232,6 +1152,18 @@ config PCI_HOST_ITE8152 default y select DMABOUNCE +config ARM_ERRATA_814220 + bool "ARM errata: Cache maintenance by set/way operations can execute out of order" + depends on CPU_V7 + help + The v7 ARM states that all cache and branch predictor maintenance + operations that do not specify an address execute, relative to + each other, in program order. + However, because of this erratum, an L2 set/way cache maintenance + operation can overtake an L1 set/way cache maintenance operation. + This ERRATA only affected the Cortex-A7 and present in r0p2, r0p3, + r0p4, r0p5. + endmenu menu "Kernel Features" @@ -1263,8 +1195,8 @@ config SMP uniprocessor machines. On a uniprocessor machine, the kernel will run faster if you say N here. - See also <file:Documentation/x86/i386/IO-APIC.txt>, - <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO available at + See also <file:Documentation/x86/i386/IO-APIC.rst>, + <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO available at <http://tldp.org/HOWTO/SMP-HOWTO.html>. If you don't know what to do here, say N. @@ -1545,8 +1477,9 @@ config ARM_PATCH_IDIV code to do integer division. config AEABI - bool "Use the ARM EABI to compile the kernel" if !CPU_V7 && !CPU_V7M && !CPU_V6 && !CPU_V6K - default CPU_V7 || CPU_V7M || CPU_V6 || CPU_V6K + bool "Use the ARM EABI to compile the kernel" if !CPU_V7 && \ + !CPU_V7M && !CPU_V6 && !CPU_V6K && !CC_IS_CLANG + default CPU_V7 || CPU_V7M || CPU_V6 || CPU_V6K || CC_IS_CLANG help This option allows for the kernel to be compiled using the latest ARM ABI (aka EABI). This is only useful if you are using a user @@ -1590,16 +1523,9 @@ config ARCH_SPARSEMEM_ENABLE config ARCH_SPARSEMEM_DEFAULT def_bool ARCH_SPARSEMEM_ENABLE -config ARCH_SELECT_MEMORY_MODEL - def_bool ARCH_SPARSEMEM_ENABLE - config HAVE_ARCH_PFN_VALID def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM -config HAVE_GENERIC_GUP - def_bool y - depends on ARM_LPAE - config HIGHMEM bool "High Memory Support" depends on MMU @@ -2010,7 +1936,7 @@ config CRASH_DUMP kdump/kexec. The crash dump kernel must be compiled to a memory address not used by the main kernel - For more details see Documentation/kdump/kdump.txt + For more details see Documentation/admin-guide/kdump/kdump.rst config AUTO_ZRELADDR bool "Auto calculation of the decompressed kernel image address" @@ -2116,7 +2042,7 @@ config VFP Say Y to include VFP support code in the kernel. This is needed if your hardware includes a VFP unit. - Please see <file:Documentation/arm/VFP/release-notes.txt> for + Please see <file:Documentation/arm/vfp/release-notes.rst> for release notes and additional status information. Say N if your target does not have VFP hardware. |