Merge branch 'kbuild/rc-fixes' into kbuild/kconfig

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / Kconfig

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 37a36457bb38f81e823ca2d3b790af08e88f6901..26ad598ebc6a6bf7674086594c87ccbbf9e58f3f 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1,10 +1,3 @@
-#
-# For a description of the syntax of this configuration file,
-# see Documentation/kbuild/kconfig-language.txt.
-#
-
-mainmenu "Linux Kernel Configuration"
-
 config ARM
        bool
        default y
@@ -43,10 +36,6 @@ config SYS_SUPPORTS_APM_EMULATION
 config GENERIC_GPIO
        bool
 
-config GENERIC_TIME
-       bool
-       default y
-
 config ARCH_USES_GETTIMEOFFSET
        bool
        default n
@@ -562,6 +551,18 @@ config ARCH_NUC93X
          Support for Nuvoton (Winbond logic dept.) NUC93X MCU,The NUC93X is a
          low-power and high performance MPEG-4/JPEG multimedia controller chip.
 
+config ARCH_TEGRA
+       bool "NVIDIA Tegra"
+       select GENERIC_TIME
+       select GENERIC_CLOCKEVENTS
+       select GENERIC_GPIO
+       select HAVE_CLK
+       select COMMON_CLKDEV
+       select ARCH_HAS_BARRIERS if CACHE_L2X0
+       help
+         This enables support for NVIDIA Tegra based systems (Tegra APX,
+         Tegra 6xx and Tegra 2 series).
+
 config ARCH_PNX4008
        bool "Philips Nexperia PNX4008 Mobile"
        select CPU_ARM926T
@@ -935,6 +936,8 @@ source "arch/arm/mach-shmobile/Kconfig"
 
 source "arch/arm/plat-stmp3xxx/Kconfig"
 
+source "arch/arm/mach-tegra/Kconfig"
+
 source "arch/arm/mach-u300/Kconfig"
 
 source "arch/arm/mach-ux500/Kconfig"
@@ -1054,6 +1057,18 @@ config PL310_ERRATA_588369
           is not correctly implemented in PL310 as clean lines are not
           invalidated as a result of these operations. Note that this errata
           uses Texas Instrument's secure monitor api.
+
+config ARM_ERRATA_720789
+       bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID"
+       depends on CPU_V7 && SMP
+       help
+         This option enables the workaround for the 720789 Cortex-A9 (prior to
+         r2p0) erratum. A faulty ASID can be sent to the other CPUs for the
+         broadcasted CP15 TLB maintenance operations TLBIASIDIS and TLBIMVAIS.
+         As a consequence of this erratum, some TLB entries which should be
+         invalidated are not, resulting in an incoherency in the system page
+         tables. The workaround changes the TLB flushing routines to invalidate
+         entries regardless of the ASID.
 endmenu
 
 source "arch/arm/common/Kconfig"
@@ -1122,11 +1137,11 @@ config SMP
        bool "Symmetric Multi-Processing (EXPERIMENTAL)"
        depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP ||\
                 MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 ||\
-                ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || ARCH_S5PV310)
+                ARCH_S5PV310 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
        depends on GENERIC_CLOCKEVENTS
        select USE_GENERIC_SMP_HELPERS
-       select HAVE_ARM_SCU if (ARCH_REALVIEW || ARCH_OMAP4 || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 ||\
-                       ARCH_S5PV310)
+       select HAVE_ARM_SCU if ARCH_REALVIEW || ARCH_OMAP4 || ARCH_S5PV310 ||\
+                ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4
        help
          This enables support for systems with more than one CPU. If you have
          a system with only one CPU, like most personal computers, say N. If
@@ -1196,9 +1211,10 @@ config LOCAL_TIMERS
        bool "Use local timer interrupts"
        depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || \
                REALVIEW_EB_A9MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \
-               ARCH_S5PV310 || ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
-       select HAVE_ARM_TWD if (ARCH_REALVIEW || ARCH_OMAP4 || ARCH_S5PV310 || \
-               ARCH_U8500 || ARCH_VEXPRESS)
+               ARCH_S5PV310 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
+       default y
+       select HAVE_ARM_TWD if ARCH_REALVIEW || ARCH_OMAP4 || ARCH_S5PV310 || \
+               ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS
        help
          Enable support for local timers on SMP platforms, rather then the
          legacy IPI broadcast method.  Local timers allows the system