diff options
Diffstat (limited to 'arch/arc/Kconfig')
| -rw-r--r-- | arch/arc/Kconfig | 48 |
1 files changed, 20 insertions, 28 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index a8767430df7d..0d3e59f56974 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 @@ -30,6 +31,7 @@ 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 @@ -59,7 +61,7 @@ config RWSEM_GENERIC_SPINLOCK def_bool y config ARCH_DISCONTIGMEM_ENABLE - def_bool y + def_bool n config ARCH_FLATMEM_ENABLE def_bool y @@ -95,6 +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 @@ -104,6 +107,7 @@ choice config ISA_ARCOMPACT bool "ARCompact ISA" + select CPU_NO_EFFICIENT_FFS help The original ARC ISA of ARC600/700 cores @@ -182,9 +186,6 @@ if SMP config ARC_HAS_COH_CACHES def_bool n -config ARC_HAS_REENTRANT_IRQ_LV2 - def_bool n - config ARC_MCIP bool "ARConnect Multicore IP (MCIP) Support " depends on ISA_ARCV2 @@ -362,25 +363,10 @@ config NODES_SHIFT if ISA_ARCOMPACT config ARC_COMPACT_IRQ_LEVELS - bool "ARCompact IRQ Priorities: High(2)/Low(1)" + bool "Setup Timer IRQ as high Priority" default n - # Timer HAS to be high priority, for any other high priority config - select ARC_IRQ3_LV2 # if SMP, LV2 enabled ONLY if ARC implementation has LV2 re-entrancy - depends on !SMP || ARC_HAS_REENTRANT_IRQ_LV2 - -if ARC_COMPACT_IRQ_LEVELS - -config ARC_IRQ3_LV2 - bool - -config ARC_IRQ5_LV2 - bool - -config ARC_IRQ6_LV2 - bool - -endif #ARC_COMPACT_IRQ_LEVELS + depends on !SMP config ARC_FPU_SAVE_RESTORE bool "Enable FPU state persistence across context switch" @@ -403,11 +389,6 @@ config ARC_HAS_LLSC default y depends on !ARC_CANT_LLSC -config ARC_STAR_9000923308 - bool "Workaround for llock/scond livelock" - default n - depends on ISA_ARCV2 && SMP && ARC_HAS_LLSC - config ARC_HAS_SWAPE bool "Insn: SWAPE (endian-swap)" default y @@ -467,7 +448,7 @@ config LINUX_LINK_BASE config HIGHMEM bool "High Memory Support" - select DISCONTIGMEM + select ARCH_DISCONTIGMEM_ENABLE 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 @@ -490,6 +471,17 @@ 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 |