diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 5b714695b01..a39e3214ea3 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -15,6 +15,7 @@ config ARM select GENERIC_IRQ_SHOW select GENERIC_PCI_IOMAP select GENERIC_SMP_IDLE_THREAD + select GENERIC_IDLE_POLL_SETUP select GENERIC_STRNCPY_FROM_USER select GENERIC_STRNLEN_USER select HARDIRQS_SW_RESEND @@ -49,7 +50,6 @@ config ARM select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_SYSCALL_TRACEPOINTS select HAVE_UID16 - select HAVE_VIRT_TO_BUS select KTIME_SCALAR select PERF_USE_VMALLOC select RTC_LIB @@ -550,13 +550,14 @@ config ARCH_IXP4XX select GENERIC_CLOCKEVENTS select MIGHT_HAVE_PCI select NEED_MACH_IO_H + select USB_EHCI_BIG_ENDIAN_MMIO + select USB_EHCI_BIG_ENDIAN_DESC help Support for Intel's IXP4XX (XScale) family of processors. config ARCH_DOVE bool "Marvell Dove" select ARCH_REQUIRE_GPIOLIB - select COMMON_CLK_DOVE select CPU_V7 select GENERIC_CLOCKEVENTS select MIGHT_HAVE_PCI @@ -744,6 +745,7 @@ config ARCH_RPC select NEED_MACH_IO_H select NEED_MACH_MEMORY_H select NO_IOPORT + select VIRT_TO_BUS help On the Acorn Risc-PC, Linux can support the internal IDE disk and CD-ROM interface, serial and parallel port, and the floppy drive. @@ -879,6 +881,7 @@ config ARCH_SHARK select ISA_DMA select NEED_MACH_MEMORY_H select PCI + select VIRT_TO_BUS select ZONE_DMA help Support for the StrongARM based Digital DNARD machine, also known @@ -1006,12 +1009,12 @@ config ARCH_MULTI_V4_V5 bool config ARCH_MULTI_V6 - bool "ARMv6 based platforms (ARM11, Scorpion, ...)" + bool "ARMv6 based platforms (ARM11)" select ARCH_MULTI_V6_V7 select CPU_V6 config ARCH_MULTI_V7 - bool "ARMv7 based platforms (Cortex-A, PJ4, Krait)" + bool "ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)" default y select ARCH_MULTI_V6_V7 select ARCH_VEXPRESS @@ -1183,9 +1186,9 @@ config ARM_NR_BANKS default 8 config IWMMXT - bool "Enable iWMMXt support" + bool "Enable iWMMXt support" if !CPU_PJ4 depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4 - default y if PXA27x || PXA3xx || ARCH_MMP + default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4 help Enable support for iWMMXt context switching at run time if running on a CPU that supports it. @@ -1439,6 +1442,16 @@ config ARM_ERRATA_775420 to deadlock. This workaround puts DSB before executing ISB if an abort may occur on cache maintenance. +config ARM_ERRATA_798181 + bool "ARM errata: TLBI/DSB failure on Cortex-A15" + depends on CPU_V7 && SMP + help + On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not + adequately shooting down all use of the old entries. This + option enables the Linux kernel workaround for this erratum + which sends an IPI to the CPUs that are running the same ASID + as the one being invalidated. + endmenu source "arch/arm/common/Kconfig" @@ -1462,10 +1475,6 @@ config ISA_DMA bool select ISA_DMA_API -config ARCH_NO_VIRT_TO_BUS - def_bool y - depends on !ARCH_RPC && !ARCH_NETWINDER && !ARCH_SHARK - # Select ISA DMA interface config ISA_DMA_API bool @@ -1657,13 +1666,16 @@ config LOCAL_TIMERS accounting to be spread across the timer interval, preventing a "thundering herd" at every timer tick. +# The GPIO number here must be sorted by descending number. In case of +# a multiplatform kernel, we just want the highest value required by the +# selected platforms. config ARCH_NR_GPIO int default 1024 if ARCH_SHMOBILE || ARCH_TEGRA - default 355 if ARCH_U8500 - default 264 if MACH_H4700 default 512 if SOC_OMAP5 + default 355 if ARCH_U8500 default 288 if ARCH_VT8500 || ARCH_SUNXI + default 264 if MACH_H4700 default 0 help Maximum number of GPIOs in the system. @@ -1887,8 +1899,9 @@ config XEN_DOM0 config XEN bool "Xen guest support on ARM (EXPERIMENTAL)" - depends on ARM && OF + depends on ARM && AEABI && OF depends on CPU_V7 && !CPU_V6 + depends on !GENERIC_ATOMIC64 help Say Y if you want to run Linux in a Virtual Machine on Xen on ARM. |