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-rw-r--r--arch/arc/Kconfig40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 78c0621d5819..2c2ac3f3ff80 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
@@ -428,6 +446,28 @@ config LINUX_LINK_BASE
Linux needs to be scooted a bit.
If you don't know what the above means, leave this setting alone.
+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"
default y