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-rw-r--r--arch/csky/Kconfig162
1 files changed, 140 insertions, 22 deletions
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index da09c884cc30..acc431c331b0 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -2,20 +2,51 @@
config CSKY
def_bool y
select ARCH_32BIT_OFF_T
+ select ARCH_HAS_CPU_CACHE_ALIASING
select ARCH_HAS_DMA_PREP_COHERENT
+ select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_HAS_SYNC_DMA_FOR_CPU
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
select ARCH_USE_BUILTIN_BSWAP
- select ARCH_USE_QUEUED_RWLOCKS if NR_CPUS>2
+ select ARCH_USE_QUEUED_RWLOCKS
+ select ARCH_USE_QUEUED_SPINLOCKS
+ select ARCH_HAS_CURRENT_STACK_POINTER
+ select ARCH_INLINE_READ_LOCK if !PREEMPTION
+ select ARCH_INLINE_READ_LOCK_BH if !PREEMPTION
+ select ARCH_INLINE_READ_LOCK_IRQ if !PREEMPTION
+ select ARCH_INLINE_READ_LOCK_IRQSAVE if !PREEMPTION
+ select ARCH_INLINE_READ_UNLOCK if !PREEMPTION
+ select ARCH_INLINE_READ_UNLOCK_BH if !PREEMPTION
+ select ARCH_INLINE_READ_UNLOCK_IRQ if !PREEMPTION
+ select ARCH_INLINE_READ_UNLOCK_IRQRESTORE if !PREEMPTION
+ select ARCH_INLINE_WRITE_LOCK if !PREEMPTION
+ select ARCH_INLINE_WRITE_LOCK_BH if !PREEMPTION
+ select ARCH_INLINE_WRITE_LOCK_IRQ if !PREEMPTION
+ select ARCH_INLINE_WRITE_LOCK_IRQSAVE if !PREEMPTION
+ select ARCH_INLINE_WRITE_UNLOCK if !PREEMPTION
+ select ARCH_INLINE_WRITE_UNLOCK_BH if !PREEMPTION
+ select ARCH_INLINE_WRITE_UNLOCK_IRQ if !PREEMPTION
+ select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE if !PREEMPTION
+ select ARCH_INLINE_SPIN_TRYLOCK if !PREEMPTION
+ select ARCH_INLINE_SPIN_TRYLOCK_BH if !PREEMPTION
+ select ARCH_INLINE_SPIN_LOCK if !PREEMPTION
+ select ARCH_INLINE_SPIN_LOCK_BH if !PREEMPTION
+ select ARCH_INLINE_SPIN_LOCK_IRQ if !PREEMPTION
+ select ARCH_INLINE_SPIN_LOCK_IRQSAVE if !PREEMPTION
+ select ARCH_INLINE_SPIN_UNLOCK if !PREEMPTION
+ select ARCH_INLINE_SPIN_UNLOCK_BH if !PREEMPTION
+ select ARCH_INLINE_SPIN_UNLOCK_IRQ if !PREEMPTION
+ select ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE if !PREEMPTION
+ select ARCH_NEED_CMPXCHG_1_EMU
+ select ARCH_WANT_FRAME_POINTERS if !CPU_CK610 && $(cc-option,-mbacktrace)
+ select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT
select COMMON_CLK
select CLKSRC_MMIO
- select CLKSRC_OF
select CSKY_MPINTC if CPU_CK860
select CSKY_MP_TIMER if CPU_CK860
select CSKY_APB_INTC
select DMA_DIRECT_REMAP
select IRQ_DOMAIN
- select HANDLE_DOMAIN_IRQ
select DW_APB_TIMER_OF
select GENERIC_IOREMAP
select GENERIC_LIB_ASHLDI3
@@ -26,7 +57,6 @@ config CSKY
select GENERIC_LIB_UCMPDI2
select GENERIC_ALLOCATOR
select GENERIC_ATOMIC64
- select GENERIC_CLOCKEVENTS
select GENERIC_CPU_DEVICES
select GENERIC_IRQ_CHIP
select GENERIC_IRQ_PROBE
@@ -37,19 +67,36 @@ config CSKY
select GX6605S_TIMER if CPU_CK610
select HAVE_ARCH_TRACEHOOK
select HAVE_ARCH_AUDITSYSCALL
+ select HAVE_ARCH_JUMP_LABEL if !CPU_CK610
+ select HAVE_ARCH_JUMP_LABEL_RELATIVE
+ select HAVE_ARCH_MMAP_RND_BITS
+ select HAVE_ARCH_SECCOMP_FILTER
+ select HAVE_CONTEXT_TRACKING_USER
+ select HAVE_VIRT_CPU_ACCOUNTING_GEN
+ select HAVE_DEBUG_BUGVERBOSE
+ select HAVE_DEBUG_KMEMLEAK
select HAVE_DYNAMIC_FTRACE
+ select HAVE_DYNAMIC_FTRACE_WITH_REGS
select HAVE_FUNCTION_TRACER
select HAVE_FUNCTION_GRAPH_TRACER
+ select HAVE_FUNCTION_ERROR_INJECTION
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_LZO
select HAVE_KERNEL_LZMA
+ select HAVE_KPROBES if !CPU_CK610
+ select HAVE_KPROBES_ON_FTRACE if !CPU_CK610
+ select HAVE_KRETPROBES if !CPU_CK610
+ select HAVE_PAGE_SIZE_4KB
select HAVE_PERF_EVENTS
select HAVE_PERF_REGS
select HAVE_PERF_USER_STACK_DUMP
- select HAVE_DMA_API_DEBUG
select HAVE_DMA_CONTIGUOUS
+ select HAVE_REGS_AND_STACK_ACCESS_API
+ select HAVE_STACKPROTECTOR
select HAVE_SYSCALL_TRACEPOINTS
+ select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU
+ select LOCK_MM_AND_FIND_VMA
select MAY_HAVE_SPARSE_IRQ
select MODULES_USE_ELF_RELA if MODULES
select OF
@@ -57,8 +104,18 @@ config CSKY
select PERF_USE_VMALLOC if CPU_CK610
select RTC_LIB
select TIMER_OF
- select USB_ARCH_HAS_EHCI
- select USB_ARCH_HAS_OHCI
+ select GENERIC_PCI_IOMAP
+ select HAVE_PCI
+ select PCI_DOMAINS_GENERIC if PCI
+ select PCI_SYSCALL if PCI
+ select PCI_MSI if PCI
+ select TRACE_IRQFLAGS_SUPPORT
+
+config LOCKDEP_SUPPORT
+ def_bool y
+
+config ARCH_SUPPORTS_UPROBES
+ def_bool y if !CPU_CK610
config CPU_HAS_CACHEV2
bool
@@ -75,7 +132,7 @@ config CPU_HAS_TLBI
config CPU_HAS_LDSTEX
bool
help
- For SMP, CPU needs "ldex&stex" instrcutions to atomic operations.
+ For SMP, CPU needs "ldex&stex" instructions for atomic operations.
config CPU_NEED_TLBSYNC
bool
@@ -110,14 +167,6 @@ config STACKTRACE_SUPPORT
config TIME_LOW_RES
def_bool y
-config TRACE_IRQFLAGS_SUPPORT
- def_bool y
-
-config CPU_TLB_SIZE
- int
- default "128" if (CPU_CK610 || CPU_CK807 || CPU_CK810)
- default "1024" if (CPU_CK860)
-
config CPU_ASID_BITS
int
default "8" if (CPU_CK610 || CPU_CK807 || CPU_CK810)
@@ -129,6 +178,14 @@ config L1_CACHE_SHIFT
default "5" if (CPU_CK807 || CPU_CK810)
default "6" if (CPU_CK860)
+config ARCH_MMAP_RND_BITS_MIN
+ default 8
+
+# max bits determined by the following formula:
+# VA_BITS - PAGE_SHIFT - 3
+config ARCH_MMAP_RND_BITS_MAX
+ default 17
+
menu "Processor type and features"
choice
@@ -159,6 +216,22 @@ config CPU_CK860
endchoice
choice
+ prompt "PAGE OFFSET"
+ default PAGE_OFFSET_80000000
+
+config PAGE_OFFSET_80000000
+ bool "PAGE OFFSET 2G (user:kernel = 2:2)"
+
+config PAGE_OFFSET_A0000000
+ bool "PAGE OFFSET 2.5G (user:kernel = 2.5:1.5)"
+endchoice
+
+config PAGE_OFFSET
+ hex
+ default 0x80000000 if PAGE_OFFSET_80000000
+ default 0xa0000000 if PAGE_OFFSET_A0000000
+choice
+
prompt "C-SKY PMU type"
depends on PERF_EVENTS
depends on CPU_CK807 || CPU_CK810 || CPU_CK860
@@ -188,6 +261,40 @@ config CPU_PM_STOP
bool "stop"
endchoice
+menuconfig HAVE_TCM
+ bool "Tightly-Coupled/Sram Memory"
+ depends on !COMPILE_TEST
+ help
+ The implementation are not only used by TCM (Tightly-Coupled Memory)
+ but also used by sram on SOC bus. It follow existed linux tcm
+ software interface, so that old tcm application codes could be
+ re-used directly.
+
+if HAVE_TCM
+config ITCM_RAM_BASE
+ hex "ITCM ram base"
+ default 0xffffffff
+
+config ITCM_NR_PAGES
+ int "Page count of ITCM size: NR*4KB"
+ range 1 256
+ default 32
+
+config HAVE_DTCM
+ bool "DTCM Support"
+
+config DTCM_RAM_BASE
+ hex "DTCM ram base"
+ depends on HAVE_DTCM
+ default 0xffffffff
+
+config DTCM_NR_PAGES
+ int "Page count of DTCM size: NR*4KB"
+ depends on HAVE_DTCM
+ range 1 256
+ default 32
+endif
+
config CPU_HAS_VDSP
bool "CPU has VDSP coprocessor"
depends on CPU_HAS_FPU && CPU_HAS_FPUV2
@@ -196,6 +303,10 @@ config CPU_HAS_FPU
bool "CPU has FPU coprocessor"
depends on CPU_CK807 || CPU_CK810 || CPU_CK860
+config CPU_HAS_ICACHE_INS
+ bool "CPU has Icache invalidate instructions"
+ depends on CPU_HAS_CACHEV2
+
config CPU_HAS_TEE
bool "CPU has Trusted Execution Environment"
depends on CPU_CK810
@@ -209,18 +320,15 @@ config NR_CPUS
int "Maximum number of CPUs (2-32)"
range 2 32
depends on SMP
- default "2"
+ default "4"
config HIGHMEM
bool "High Memory Support"
depends on !CPU_CK610
+ select KMAP_LOCAL
default y
-config FORCE_MAX_ZONEORDER
- int "Maximum zone order"
- default "11"
-
-config RAM_BASE
+config DRAM_BASE
hex "DRAM start addr (the same with memory-section in dts)"
default 0x0
@@ -233,6 +341,16 @@ config HOTPLUG_CPU
controlled through /sys/devices/system/cpu/cpu1/hotplug/target.
Say N if you want to disable CPU hotplug.
+
+config HAVE_EFFICIENT_UNALIGNED_STRING_OPS
+ bool "Enable EFFICIENT_UNALIGNED_STRING_OPS for abiv2"
+ depends on CPU_CK807 || CPU_CK810 || CPU_CK860
+ help
+ Say Y here to enable EFFICIENT_UNALIGNED_STRING_OPS. Some CPU models could
+ deal with unaligned access by hardware.
+
endmenu
+source "arch/csky/Kconfig.platforms"
+
source "kernel/Kconfig.hz"