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-rw-r--r--arch/csky/Kconfig36
1 files changed, 31 insertions, 5 deletions
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index cb64f8dacd08..725a115759c9 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -1,5 +1,6 @@
config CSKY
def_bool y
+ select ARCH_32BIT_OFF_T
select ARCH_HAS_SYNC_DMA_FOR_CPU
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
select ARCH_USE_BUILTIN_BSWAP
@@ -7,8 +8,7 @@ config CSKY
select COMMON_CLK
select CLKSRC_MMIO
select CLKSRC_OF
- select DMA_DIRECT_OPS
- select DMA_NONCOHERENT_OPS
+ select DMA_DIRECT_REMAP
select IRQ_DOMAIN
select HANDLE_DOMAIN_IRQ
select DW_APB_TIMER_OF
@@ -29,10 +29,12 @@ config CSKY
select GENERIC_SCHED_CLOCK
select GENERIC_SMP_IDLE_THREAD
select HAVE_ARCH_TRACEHOOK
- select HAVE_GENERIC_DMA_COHERENT
+ select HAVE_FUNCTION_TRACER
+ select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_LZO
select HAVE_KERNEL_LZMA
+ select HAVE_PERF_EVENTS
select HAVE_C_RECORDMCOUNT
select HAVE_DMA_API_DEBUG
select HAVE_DMA_CONTIGUOUS
@@ -40,8 +42,7 @@ config CSKY
select MODULES_USE_ELF_RELA if MODULES
select OF
select OF_EARLY_FLATTREE
- select OF_RESERVED_MEM
- select PERF_USE_VMALLOC
+ select PERF_USE_VMALLOC if CPU_CK610
select RTC_LIB
select TIMER_OF
select USB_ARCH_HAS_EHCI
@@ -94,6 +95,9 @@ config MMU
config RWSEM_GENERIC_SPINLOCK
def_bool y
+config STACKTRACE_SUPPORT
+ def_bool y
+
config TIME_LOW_RES
def_bool y
@@ -146,6 +150,19 @@ config CPU_CK860
endchoice
choice
+ prompt "C-SKY PMU type"
+ depends on PERF_EVENTS
+ depends on CPU_CK807 || CPU_CK810 || CPU_CK860
+
+config CPU_PMU_NONE
+ bool "None"
+
+config CSKY_PMU_V1
+ bool "Performance Monitoring Unit Ver.1"
+
+endchoice
+
+choice
prompt "Power Manager Instruction (wait/doze/stop)"
default CPU_PM_NONE
@@ -198,6 +215,15 @@ config RAM_BASE
hex "DRAM start addr (the same with memory-section in dts)"
default 0x0
+config HOTPLUG_CPU
+ bool "Support for hot-pluggable CPUs"
+ select GENERIC_IRQ_MIGRATION
+ depends on SMP
+ help
+ Say Y here to allow turning CPUs off and on. CPUs can be
+ controlled through /sys/devices/system/cpu/cpu1/hotplug/target.
+
+ Say N if you want to disable CPU hotplug.
endmenu
source "kernel/Kconfig.hz"