[thirdparty/kernel/stable.git] / arch / csky / Kconfig

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
	select ARCH_USE_QUEUED_RWLOCKS if NR_CPUS>2
	select COMMON_CLK
	select CLKSRC_MMIO
	select CLKSRC_OF
	select DMA_DIRECT_REMAP
	select IRQ_DOMAIN
	select HANDLE_DOMAIN_IRQ
	select DW_APB_TIMER_OF
	select GENERIC_LIB_ASHLDI3
	select GENERIC_LIB_ASHRDI3
	select GENERIC_LIB_LSHRDI3
	select GENERIC_LIB_MULDI3
	select GENERIC_LIB_CMPDI2
	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
	select GENERIC_IRQ_SHOW
	select GENERIC_IRQ_MULTI_HANDLER
	select GENERIC_SCHED_CLOCK
	select GENERIC_SMP_IDLE_THREAD
	select HAVE_ARCH_TRACEHOOK
	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
	select MAY_HAVE_SPARSE_IRQ
	select MODULES_USE_ELF_RELA if MODULES
	select OF
	select OF_EARLY_FLATTREE
	select PERF_USE_VMALLOC if CPU_CK610
	select RTC_LIB
	select TIMER_OF
	select USB_ARCH_HAS_EHCI
	select USB_ARCH_HAS_OHCI

config CPU_HAS_CACHEV2
	bool

config CPU_HAS_FPUV2
	bool

config CPU_HAS_HILO
	bool

config CPU_HAS_TLBI
	bool

config CPU_HAS_LDSTEX
	bool
	help
	  For SMP, CPU needs "ldex&stex" instrcutions to atomic operations.

config CPU_NEED_TLBSYNC
	bool

config CPU_NEED_SOFTALIGN
	bool

config CPU_NO_USER_BKPT
	bool
	help
	  For abiv2 we couldn't use "trap 1" as user space bkpt in gdbserver, because
	  abiv2 is 16/32bit instruction set and "trap 1" is 32bit.
	  So we need a 16bit instruction as user space bkpt, and it will cause an illegal
	  instruction exception.
	  In kernel we parse the *regs->pc to determine whether to send SIGTRAP or not.

config GENERIC_CALIBRATE_DELAY
	def_bool y

config GENERIC_CSUM
	def_bool y

config GENERIC_HWEIGHT
	def_bool y

config MMU
	def_bool y

config RWSEM_GENERIC_SPINLOCK
	def_bool y

config STACKTRACE_SUPPORT
	def_bool y

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)
	default "12"	if (CPU_CK860)

config L1_CACHE_SHIFT
	int
	default "4"	if (CPU_CK610)
	default "5"	if (CPU_CK807 || CPU_CK810)
	default "6"	if (CPU_CK860)

menu "Processor type and features"

choice
	prompt "CPU MODEL"
	default CPU_CK807

config CPU_CK610
	bool "CSKY CPU ck610"
	select CPU_NEED_TLBSYNC
	select CPU_NEED_SOFTALIGN
	select CPU_NO_USER_BKPT

config CPU_CK810
	bool "CSKY CPU ck810"
	select CPU_HAS_HILO
	select CPU_NEED_TLBSYNC

config CPU_CK807
	bool "CSKY CPU ck807"
	select CPU_HAS_HILO

config CPU_CK860
	bool "CSKY CPU ck860"
	select CPU_HAS_TLBI
	select CPU_HAS_CACHEV2
	select CPU_HAS_LDSTEX
	select CPU_HAS_FPUV2
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

config CPU_PM_NONE
	bool "None"

config CPU_PM_WAIT
	bool "wait"

config CPU_PM_DOZE
	bool "doze"

config CPU_PM_STOP
	bool "stop"
endchoice

config CPU_HAS_VDSP
	bool "CPU has VDSP coprocessor"
	depends on CPU_HAS_FPU && CPU_HAS_FPUV2

config CPU_HAS_FPU
	bool "CPU has FPU coprocessor"
	depends on CPU_CK807 || CPU_CK810 || CPU_CK860

config CPU_HAS_TEE
	bool "CPU has Trusted Execution Environment"
	depends on CPU_CK810

config SMP
	bool "Symmetric Multi-Processing (SMP) support for C-SKY"
	depends on CPU_CK860
	default n

config NR_CPUS
	int "Maximum number of CPUs (2-32)"
	range 2 32
	depends on SMP
	default "2"

config HIGHMEM
	bool "High Memory Support"
	depends on !CPU_CK610
	default y

config FORCE_MAX_ZONEORDER
	int "Maximum zone order"
	default "11"

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"
Commit	Line	Data
c32e64e8 GR	1	config CSKY
c32e64e8 GR	2	def_bool y
942fa985	3	select ARCH_32BIT_OFF_T
c32e64e8 GR	4	select ARCH_HAS_SYNC_DMA_FOR_CPU
	5	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
	6	select ARCH_USE_BUILTIN_BSWAP
	7	select ARCH_USE_QUEUED_RWLOCKS if NR_CPUS>2
	8	select COMMON_CLK
	9	select CLKSRC_MMIO
	10	select CLKSRC_OF
f04b951f	11	select DMA_DIRECT_REMAP
c32e64e8 GR	12	select IRQ_DOMAIN
	13	select HANDLE_DOMAIN_IRQ
	14	select DW_APB_TIMER_OF
	15	select GENERIC_LIB_ASHLDI3
	16	select GENERIC_LIB_ASHRDI3
	17	select GENERIC_LIB_LSHRDI3
	18	select GENERIC_LIB_MULDI3
	19	select GENERIC_LIB_CMPDI2
	20	select GENERIC_LIB_UCMPDI2
	21	select GENERIC_ALLOCATOR
	22	select GENERIC_ATOMIC64
	23	select GENERIC_CLOCKEVENTS
	24	select GENERIC_CPU_DEVICES
	25	select GENERIC_IRQ_CHIP
	26	select GENERIC_IRQ_PROBE
	27	select GENERIC_IRQ_SHOW
	28	select GENERIC_IRQ_MULTI_HANDLER
	29	select GENERIC_SCHED_CLOCK
	30	select GENERIC_SMP_IDLE_THREAD
	31	select HAVE_ARCH_TRACEHOOK
230c77a5	32	select HAVE_FUNCTION_TRACER
d7950be1	33	select HAVE_FUNCTION_GRAPH_TRACER
c32e64e8 GR	34	select HAVE_KERNEL_GZIP
	35	select HAVE_KERNEL_LZO
	36	select HAVE_KERNEL_LZMA
f50fd2d8	37	select HAVE_PERF_EVENTS
c32e64e8 GR	38	select HAVE_C_RECORDMCOUNT
	39	select HAVE_DMA_API_DEBUG
	40	select HAVE_DMA_CONTIGUOUS
c32e64e8 GR	41	select MAY_HAVE_SPARSE_IRQ
c32e64e8 GR	42	select MODULES_USE_ELF_RELA if MODULES
c32e64e8 GR	43	select OF
c32e64e8 GR	44	select OF_EARLY_FLATTREE
f50fd2d8	45	select PERF_USE_VMALLOC if CPU_CK610
c32e64e8 GR	46	select RTC_LIB
	47	select TIMER_OF
	48	select USB_ARCH_HAS_EHCI
	49	select USB_ARCH_HAS_OHCI
	50
	51	config CPU_HAS_CACHEV2
	52	bool
	53
	54	config CPU_HAS_FPUV2
	55	bool
	56
	57	config CPU_HAS_HILO
	58	bool
	59
	60	config CPU_HAS_TLBI
	61	bool
	62
	63	config CPU_HAS_LDSTEX
	64	bool
	65	help
	66	For SMP, CPU needs "ldex&stex" instrcutions to atomic operations.
	67
	68	config CPU_NEED_TLBSYNC
	69	bool
	70
	71	config CPU_NEED_SOFTALIGN
	72	bool
	73
	74	config CPU_NO_USER_BKPT
	75	bool
	76	help
	77	For abiv2 we couldn't use "trap 1" as user space bkpt in gdbserver, because
	78	abiv2 is 16/32bit instruction set and "trap 1" is 32bit.
	79	So we need a 16bit instruction as user space bkpt, and it will cause an illegal
	80	instruction exception.
	81	In kernel we parse the *regs->pc to determine whether to send SIGTRAP or not.
	82
	83	config GENERIC_CALIBRATE_DELAY
	84	def_bool y
	85
	86	config GENERIC_CSUM
	87	def_bool y
	88
	89	config GENERIC_HWEIGHT
	90	def_bool y
	91
	92	config MMU
	93	def_bool y
	94
	95	config RWSEM_GENERIC_SPINLOCK
	96	def_bool y
	97
0ea2dc7c GR	98	config STACKTRACE_SUPPORT
	99	def_bool y
	100
c32e64e8 GR	101	config TIME_LOW_RES
	102	def_bool y
	103
	104	config TRACE_IRQFLAGS_SUPPORT
	105	def_bool y
	106
	107	config CPU_TLB_SIZE
	108	int
	109	default "128" if (CPU_CK610 \|\| CPU_CK807 \|\| CPU_CK810)
	110	default "1024" if (CPU_CK860)
	111
	112	config CPU_ASID_BITS
	113	int
	114	default "8" if (CPU_CK610 \|\| CPU_CK807 \|\| CPU_CK810)
	115	default "12" if (CPU_CK860)
	116
	117	config L1_CACHE_SHIFT
	118	int
	119	default "4" if (CPU_CK610)
	120	default "5" if (CPU_CK807 \|\| CPU_CK810)
	121	default "6" if (CPU_CK860)
	122
	123	menu "Processor type and features"
	124
	125	choice
	126	prompt "CPU MODEL"
	127	default CPU_CK807
	128
	129	config CPU_CK610
	130	bool "CSKY CPU ck610"
	131	select CPU_NEED_TLBSYNC
	132	select CPU_NEED_SOFTALIGN
	133	select CPU_NO_USER_BKPT
	134
	135	config CPU_CK810
	136	bool "CSKY CPU ck810"
	137	select CPU_HAS_HILO
	138	select CPU_NEED_TLBSYNC
	139
	140	config CPU_CK807
	141	bool "CSKY CPU ck807"
	142	select CPU_HAS_HILO
	143
	144	config CPU_CK860
	145	bool "CSKY CPU ck860"
	146	select CPU_HAS_TLBI
	147	select CPU_HAS_CACHEV2
	148	select CPU_HAS_LDSTEX
	149	select CPU_HAS_FPUV2
	150	endchoice
	151
f50fd2d8 GR	152	choice
	153	prompt "C-SKY PMU type"
	154	depends on PERF_EVENTS
	155	depends on CPU_CK807 \|\| CPU_CK810 \|\| CPU_CK860
	156
	157	config CPU_PMU_NONE
	158	bool "None"
	159
	160	config CSKY_PMU_V1
	161	bool "Performance Monitoring Unit Ver.1"
	162
	163	endchoice
	164
c32e64e8 GR	165	choice
	166	prompt "Power Manager Instruction (wait/doze/stop)"
	167	default CPU_PM_NONE
	168
	169	config CPU_PM_NONE
	170	bool "None"
	171
	172	config CPU_PM_WAIT
	173	bool "wait"
	174
	175	config CPU_PM_DOZE
	176	bool "doze"
	177
	178	config CPU_PM_STOP
	179	bool "stop"
	180	endchoice
	181
	182	config CPU_HAS_VDSP
	183	bool "CPU has VDSP coprocessor"
	184	depends on CPU_HAS_FPU && CPU_HAS_FPUV2
	185
	186	config CPU_HAS_FPU
	187	bool "CPU has FPU coprocessor"
	188	depends on CPU_CK807 \|\| CPU_CK810 \|\| CPU_CK860
	189
	190	config CPU_HAS_TEE
	191	bool "CPU has Trusted Execution Environment"
	192	depends on CPU_CK810
	193
	194	config SMP
	195	bool "Symmetric Multi-Processing (SMP) support for C-SKY"
	196	depends on CPU_CK860
	197	default n
	198
	199	config NR_CPUS
	200	int "Maximum number of CPUs (2-32)"
	201	range 2 32
	202	depends on SMP
	203	default "2"
	204
	205	config HIGHMEM
	206	bool "High Memory Support"
	207	depends on !CPU_CK610
	208	default y
	209
	210	config FORCE_MAX_ZONEORDER
	211	int "Maximum zone order"
	212	default "11"
	213
	214	config RAM_BASE
	215	hex "DRAM start addr (the same with memory-section in dts)"
	216	default 0x0
	217
859e5f45 GR	218	config HOTPLUG_CPU
	219	bool "Support for hot-pluggable CPUs"
	220	select GENERIC_IRQ_MIGRATION
	221	depends on SMP
	222	help
	223	Say Y here to allow turning CPUs off and on. CPUs can be
	224	controlled through /sys/devices/system/cpu/cpu1/hotplug/target.
	225
	226	Say N if you want to disable CPU hotplug.
c32e64e8 GR	227	endmenu
	228
	229	source "kernel/Kconfig.hz"