csky: Add perf support for C-SKY
This adds basic perf support for all C-SKY CPUs. Hardware events are
only supported by 807/810/860.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index 6e81477..7689b54 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -35,6 +35,7 @@
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
@@ -43,7 +44,7 @@
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
@@ -151,6 +152,19 @@
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