Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

[pandora-kernel.git] / arch / arm / Kconfig

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index d70260d..7a13c2c 100644 (file)
--- 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