diff options
Diffstat (limited to 'arch/arc/Kconfig')
| -rw-r--r-- | arch/arc/Kconfig | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 78c0621d5..6312f6079 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -76,6 +76,10 @@ config STACKTRACE_SUPPORT config HAVE_LATENCYTOP_SUPPORT def_bool y +config HAVE_ARCH_TRANSPARENT_HUGEPAGE + def_bool y + depends on ARC_MMU_V4 + source "init/Kconfig" source "kernel/Kconfig.freezer" @@ -190,6 +194,16 @@ config NR_CPUS range 2 4096 default "4" +config ARC_SMP_HALT_ON_RESET + bool "Enable Halt-on-reset boot mode" + default y if ARC_UBOOT_SUPPORT + help + In SMP configuration cores can be configured as Halt-on-reset + or they could all start at same time. For Halt-on-reset, non + masters are parked until Master kicks them so they can start of + at designated entry point. For other case, all jump to common + entry point and spin wait for Master's signal. + endif #SMP menuconfig ARC_CACHE @@ -278,6 +292,8 @@ choice default ARC_MMU_V2 if ARC_CPU_750D default ARC_MMU_V4 if ARC_CPU_HS +if ISA_ARCOMPACT + config ARC_MMU_V1 bool "MMU v1" help @@ -297,6 +313,8 @@ config ARC_MMU_V3 Variable Page size (1k-16k), var JTLB size 128 x (2 or 4) Shared Address Spaces (SASID) +endif + config ARC_MMU_V4 bool "MMU v4" depends on ISA_ARCV2 @@ -427,6 +445,29 @@ config LINUX_LINK_BASE However some customers have peripherals mapped at this addr, so Linux needs to be scooted a bit. If you don't know what the above means, leave this setting alone. + This needs to match memory start address specified in Device Tree + +config HIGHMEM + bool "High Memory Support" + help + With ARC 2G:2G address split, only upper 2G is directly addressable by + kernel. Enable this to potentially allow access to rest of 2G and PAE + in future + +config ARC_HAS_PAE40 + bool "Support for the 40-bit Physical Address Extension" + default n + depends on ISA_ARCV2 + select HIGHMEM + help + Enable access to physical memory beyond 4G, only supported on + ARC cores with 40 bit Physical Addressing support + +config ARCH_PHYS_ADDR_T_64BIT + def_bool ARC_HAS_PAE40 + +config ARCH_DMA_ADDR_T_64BIT + bool config ARC_CURR_IN_REG bool "Dedicate Register r25 for current_task pointer" |