diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index d70260dd7428..7a13c2cd7a86 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -735,6 +735,7 @@ config ARCH_S3C64XX select SAMSUNG_CLKSRC select SAMSUNG_GPIOLIB_4BIT select SAMSUNG_IRQ_VIC_TIMER + select SAMSUNG_WDT_RESET select USB_ARCH_HAS_OHCI help Samsung S3C64XX series based systems @@ -751,6 +752,7 @@ config ARCH_S5P64X0 select HAVE_S3C2410_WATCHDOG if WATCHDOG select HAVE_S3C_RTC if RTC_CLASS select NEED_MACH_GPIO_H + select SAMSUNG_WDT_RESET select SAMSUNG_ATAGS help Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440, @@ -769,6 +771,7 @@ config ARCH_S5PC100 select HAVE_S3C2410_WATCHDOG if WATCHDOG select HAVE_S3C_RTC if RTC_CLASS select NEED_MACH_GPIO_H + select SAMSUNG_WDT_RESET select SAMSUNG_ATAGS help Samsung S5PC100 series based systems @@ -1091,6 +1094,20 @@ if !MMU source "arch/arm/Kconfig-nommu" endif +config PJ4B_ERRATA_4742 + bool "PJ4B Errata 4742: IDLE Wake Up Commands can Cause the CPU Core to Cease Operation" + depends on CPU_PJ4B && MACH_ARMADA_370 + default y + help + When coming out of either a Wait for Interrupt (WFI) or a Wait for + Event (WFE) IDLE states, a specific timing sensitivity exists between + the retiring WFI/WFE instructions and the newly issued subsequent + instructions. This sensitivity can result in a CPU hang scenario. + Workaround: + The software must insert either a Data Synchronization Barrier (DSB) + or Data Memory Barrier (DMB) command immediately after the WFI/WFE + instruction + config ARM_ERRATA_326103 bool "ARM errata: FSR write bit incorrect on a SWP to read-only memory" depends on CPU_V6 @@ -1193,6 +1210,16 @@ config PL310_ERRATA_588369 is not correctly implemented in PL310 as clean lines are not invalidated as a result of these operations. +config ARM_ERRATA_643719 + bool "ARM errata: LoUIS bit field in CLIDR register is incorrect" + depends on CPU_V7 && SMP + help + This option enables the workaround for the 643719 Cortex-A9 (prior to + r1p0) erratum. On affected cores the LoUIS bit field of the CLIDR + register returns zero when it should return one. The workaround + corrects this value, ensuring cache maintenance operations which use + it behave as intended and avoiding data corruption. + config ARM_ERRATA_720789 bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID" depends on CPU_V7 @@ -1533,7 +1560,7 @@ config NR_CPUS config HOTPLUG_CPU bool "Support for hot-pluggable CPUs" - depends on SMP && HOTPLUG + depends on SMP help Say Y here to experiment with turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu. @@ -2012,7 +2039,7 @@ config XIP_PHYS_ADDR config KEXEC bool "Kexec system call (EXPERIMENTAL)" - depends on (!SMP || HOTPLUG_CPU) + depends on (!SMP || PM_SLEEP_SMP) help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot |