aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arc/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arc/Kconfig')
-rw-r--r--arch/arc/Kconfig32
1 files changed, 30 insertions, 2 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 208aae071b37..8894f7e7e3de 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -10,8 +10,9 @@ config ARC
def_bool y
select ARCH_SUPPORTS_ATOMIC_RMW if ARC_HAS_LLSC
select BUILDTIME_EXTABLE_SORT
- select COMMON_CLK
+ select CLKSRC_OF
select CLONE_BACKWARDS
+ select COMMON_CLK
select GENERIC_ATOMIC64
select GENERIC_CLOCKEVENTS
select GENERIC_FIND_FIRST_BIT
@@ -30,13 +31,16 @@ config ARC
select HAVE_MOD_ARCH_SPECIFIC if ARC_DW2_UNWIND
select HAVE_OPROFILE
select HAVE_PERF_EVENTS
+ select HANDLE_DOMAIN_IRQ
select IRQ_DOMAIN
select MODULES_USE_ELF_RELA
select NO_BOOTMEM
select OF
select OF_EARLY_FLATTREE
+ select OF_RESERVED_MEM
select PERF_USE_VMALLOC
select HAVE_DEBUG_STACKOVERFLOW
+ select HAVE_GENERIC_DMA_COHERENT
config MIGHT_HAVE_PCI
bool
@@ -56,6 +60,9 @@ config GENERIC_CSUM
config RWSEM_GENERIC_SPINLOCK
def_bool y
+config ARCH_DISCONTIGMEM_ENABLE
+ def_bool y
+
config ARCH_FLATMEM_ENABLE
def_bool y
@@ -90,6 +97,7 @@ source "arch/arc/plat-sim/Kconfig"
source "arch/arc/plat-tb10x/Kconfig"
source "arch/arc/plat-axs10x/Kconfig"
#New platform adds here
+source "arch/arc/plat-eznps/Kconfig"
endmenu
@@ -345,6 +353,15 @@ config ARC_HUGEPAGE_16M
endchoice
+config NODES_SHIFT
+ int "Maximum NUMA Nodes (as a power of 2)"
+ default "1" if !DISCONTIGMEM
+ default "2" if DISCONTIGMEM
+ depends on NEED_MULTIPLE_NODES
+ ---help---
+ Accessing memory beyond 1GB (with or w/o PAE) requires 2 memory
+ zones.
+
if ISA_ARCOMPACT
config ARC_COMPACT_IRQ_LEVELS
@@ -453,6 +470,7 @@ config LINUX_LINK_BASE
config HIGHMEM
bool "High Memory Support"
+ select DISCONTIGMEM
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
@@ -475,6 +493,17 @@ config ARCH_DMA_ADDR_T_64BIT
config ARC_PLAT_NEEDS_PHYS_TO_DMA
bool
+config ARC_KVADDR_SIZE
+ int "Kernel Virtaul Address Space size (MB)"
+ range 0 512
+ default "256"
+ help
+ The kernel address space is carved out of 256MB of translated address
+ space for catering to vmalloc, modules, pkmap, fixmap. This however may
+ not suffice vmalloc requirements of a 4K CPU EZChip system. So allow
+ this to be stretched to 512 MB (by extending into the reserved
+ kernel-user gutter)
+
config ARC_CURR_IN_REG
bool "Dedicate Register r25 for current_task pointer"
default y
@@ -593,7 +622,6 @@ config PCI_SYSCALL
def_bool PCI
source "drivers/pci/Kconfig"
-source "drivers/pci/pcie/Kconfig"
endmenu