diff options
Diffstat (limited to 'arch/arc/Kconfig')
| -rw-r--r-- | arch/arc/Kconfig | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 12d0284a46e5..0dcbacfdea4b 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 @@ -99,6 +107,7 @@ choice config ISA_ARCOMPACT bool "ARCompact ISA" + select CPU_NO_EFFICIENT_FFS help The original ARC ISA of ARC600/700 cores @@ -345,6 +354,15 @@ 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 +471,7 @@ 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 +494,17 @@ 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 |