[mirror_ubuntu-jammy-kernel.git] / arch / microblaze / Kconfig

# For a description of the syntax of this configuration file,
# see Documentation/kbuild/kconfig-language.txt.

mainmenu "Linux/Microblaze Kernel Configuration"

config MICROBLAZE
	def_bool y
	select HAVE_LMB
	select HAVE_FUNCTION_TRACER
	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
	select HAVE_DYNAMIC_FTRACE
	select HAVE_FTRACE_MCOUNT_RECORD
	select USB_ARCH_HAS_EHCI
	select ARCH_WANT_OPTIONAL_GPIOLIB

config SWAP
	def_bool n

config RWSEM_GENERIC_SPINLOCK
	def_bool y

config RWSEM_XCHGADD_ALGORITHM
	bool

config ARCH_HAS_ILOG2_U32
	def_bool n

config ARCH_HAS_ILOG2_U64
	def_bool n

config GENERIC_FIND_NEXT_BIT
	def_bool y

config GENERIC_HWEIGHT
	def_bool y

config GENERIC_HARDIRQS
	def_bool y

config GENERIC_IRQ_PROBE
	def_bool y

config GENERIC_CALIBRATE_DELAY
	def_bool y

config GENERIC_TIME
	def_bool y

config GENERIC_TIME_VSYSCALL
	def_bool n

config GENERIC_CLOCKEVENTS
	def_bool y

config GENERIC_HARDIRQS_NO__DO_IRQ
	def_bool y

config GENERIC_GPIO
	def_bool y

config GENERIC_CSUM
	def_bool y

config STACKTRACE_SUPPORT
	def_bool y

config LOCKDEP_SUPPORT
	def_bool y

config HAVE_LATENCYTOP_SUPPORT
	def_bool y

config PCI
	def_bool n

config NO_DMA
	def_bool y

source "init/Kconfig"

source "kernel/Kconfig.freezer"

source "arch/microblaze/platform/Kconfig.platform"

menu "Processor type and features"

source kernel/time/Kconfig

source "kernel/Kconfig.preempt"

source "kernel/Kconfig.hz"

config MMU
	bool "MMU support"
	default n

config NO_MMU
	bool
	depends on !MMU
	default y

comment "Boot options"

config CMDLINE_BOOL
	bool "Default bootloader kernel arguments"

config CMDLINE
	string "Default kernel command string"
	depends on CMDLINE_BOOL
	default "console=ttyUL0,115200"
	help
	  On some architectures there is currently no way for the boot loader
	  to pass arguments to the kernel. For these architectures, you should
	  supply some command-line options at build time by entering them
	  here.

config CMDLINE_FORCE
	bool "Force default kernel command string"
	depends on CMDLINE_BOOL
	default n
	help
	  Set this to have arguments from the default kernel command string
	  override those passed by the boot loader.

config OF
	def_bool y

config PROC_DEVICETREE
	bool "Support for device tree in /proc"
	depends on PROC_FS
	help
	  This option adds a device-tree directory under /proc which contains
	  an image of the device tree that the kernel copies from Open
	  Firmware or other boot firmware. If unsure, say Y here.

endmenu

menu "Advanced setup"

config ADVANCED_OPTIONS
	bool "Prompt for advanced kernel configuration options"
	depends on MMU
	help
	  This option will enable prompting for a variety of advanced kernel
	  configuration options.  These options can cause the kernel to not
	  work if they are set incorrectly, but can be used to optimize certain
	  aspects of kernel memory management.

	  Unless you know what you are doing, say N here.

comment "Default settings for advanced configuration options are used"
	depends on !ADVANCED_OPTIONS

config HIGHMEM_START_BOOL
	bool "Set high memory pool address"
	depends on ADVANCED_OPTIONS && HIGHMEM
	help
	  This option allows you to set the base address of the kernel virtual
	  area used to map high memory pages.  This can be useful in
	  optimizing the layout of kernel virtual memory.

	  Say N here unless you know what you are doing.

config HIGHMEM_START
	hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
	depends on MMU
	default "0xfe000000"

config LOWMEM_SIZE_BOOL
	bool "Set maximum low memory"
	depends on ADVANCED_OPTIONS
	help
	  This option allows you to set the maximum amount of memory which
	  will be used as "low memory", that is, memory which the kernel can
	  access directly, without having to set up a kernel virtual mapping.
	  This can be useful in optimizing the layout of kernel virtual
	  memory.

	  Say N here unless you know what you are doing.

config LOWMEM_SIZE
	hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
	depends on MMU
	default "0x30000000"

config KERNEL_START_BOOL
	bool "Set custom kernel base address"
	depends on ADVANCED_OPTIONS
	help
	  This option allows you to set the kernel virtual address at which
	  the kernel will map low memory (the kernel image will be linked at
	  this address).  This can be useful in optimizing the virtual memory
	  layout of the system.

	  Say N here unless you know what you are doing.

config KERNEL_START
	hex "Virtual address of kernel base" if KERNEL_START_BOOL
	default "0xc0000000" if MMU
	default KERNEL_BASE_ADDR if !MMU

config TASK_SIZE_BOOL
	bool "Set custom user task size"
	depends on ADVANCED_OPTIONS
	help
	  This option allows you to set the amount of virtual address space
	  allocated to user tasks.  This can be useful in optimizing the
	  virtual memory layout of the system.

	  Say N here unless you know what you are doing.

config TASK_SIZE
	hex "Size of user task space" if TASK_SIZE_BOOL
	depends on MMU
	default "0x80000000"

config CONSISTENT_START_BOOL
	bool "Set custom consistent memory pool address"
	depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
	help
	  This option allows you to set the base virtual address
	  of the the consistent memory pool.  This pool of virtual
	  memory is used to make consistent memory allocations.

config CONSISTENT_START
	hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
	depends on MMU
	default "0xff100000" if NOT_COHERENT_CACHE

config CONSISTENT_SIZE_BOOL
	bool "Set custom consistent memory pool size"
	depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
	help
	  This option allows you to set the size of the the
	  consistent memory pool.  This pool of virtual memory
	  is used to make consistent memory allocations.

config CONSISTENT_SIZE
	hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
	depends on MMU
	default "0x00200000" if NOT_COHERENT_CACHE

endmenu

source "mm/Kconfig"

menu "Exectuable file formats"

source "fs/Kconfig.binfmt"

endmenu

source "net/Kconfig"

source "drivers/Kconfig"

source "fs/Kconfig"

source "arch/microblaze/Kconfig.debug"

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"
Commit	Line	Data
575ca288 MS	1	# For a description of the syntax of this configuration file,
	2	# see Documentation/kbuild/kconfig-language.txt.
	3
	4	mainmenu "Linux/Microblaze Kernel Configuration"
	5
	6	config MICROBLAZE
	7	def_bool y
	8	select HAVE_LMB
2fd7c761	9	select HAVE_FUNCTION_TRACER
6d9e60ce	10	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
7d241ff0 MS	11	select HAVE_DYNAMIC_FTRACE
7d241ff0 MS	12	select HAVE_FTRACE_MCOUNT_RECORD
afc26cb3	13	select USB_ARCH_HAS_EHCI
6fa612b5	14	select ARCH_WANT_OPTIONAL_GPIOLIB
575ca288 MS	15
	16	config SWAP
	17	def_bool n
	18
	19	config RWSEM_GENERIC_SPINLOCK
	20	def_bool y
	21
	22	config RWSEM_XCHGADD_ALGORITHM
	23	bool
	24
	25	config ARCH_HAS_ILOG2_U32
	26	def_bool n
	27
	28	config ARCH_HAS_ILOG2_U64
	29	def_bool n
	30
	31	config GENERIC_FIND_NEXT_BIT
	32	def_bool y
	33
	34	config GENERIC_HWEIGHT
	35	def_bool y
	36
	37	config GENERIC_HARDIRQS
	38	def_bool y
	39
	40	config GENERIC_IRQ_PROBE
	41	def_bool y
	42
	43	config GENERIC_CALIBRATE_DELAY
	44	def_bool y
	45
	46	config GENERIC_TIME
	47	def_bool y
	48
	49	config GENERIC_TIME_VSYSCALL
	50	def_bool n
	51
	52	config GENERIC_CLOCKEVENTS
	53	def_bool y
	54
	55	config GENERIC_HARDIRQS_NO__DO_IRQ
	56	def_bool y
	57
6fa612b5 MS	58	config GENERIC_GPIO
	59	def_bool y
	60
14f87389 RLB	61	config GENERIC_CSUM
	62	def_bool y
	63
24b45a12 MS	64	config STACKTRACE_SUPPORT
	65	def_bool y
	66
bf2d8096 MS	67	config LOCKDEP_SUPPORT
	68	def_bool y
	69
fb5a32dc MS	70	config HAVE_LATENCYTOP_SUPPORT
	71	def_bool y
	72
575ca288	73	config PCI
575ca288 MS	74	def_bool n
	75
	76	config NO_DMA
f2224ff0	77	def_bool y
575ca288 MS	78
	79	source "init/Kconfig"
	80
	81	source "kernel/Kconfig.freezer"
	82
	83	source "arch/microblaze/platform/Kconfig.platform"
	84
	85	menu "Processor type and features"
	86
	87	source kernel/time/Kconfig
	88
	89	source "kernel/Kconfig.preempt"
	90
	91	source "kernel/Kconfig.hz"
	92
	93	config MMU
a116f6d5 MS	94	bool "MMU support"
a116f6d5 MS	95	default n
575ca288 MS	96
	97	config NO_MMU
	98	bool
	99	depends on !MMU
	100	default y
	101
	102	comment "Boot options"
	103
	104	config CMDLINE_BOOL
	105	bool "Default bootloader kernel arguments"
	106
	107	config CMDLINE
	108	string "Default kernel command string"
	109	depends on CMDLINE_BOOL
	110	default "console=ttyUL0,115200"
	111	help
	112	On some architectures there is currently no way for the boot loader
	113	to pass arguments to the kernel. For these architectures, you should
	114	supply some command-line options at build time by entering them
	115	here.
	116
	117	config CMDLINE_FORCE
	118	bool "Force default kernel command string"
	119	depends on CMDLINE_BOOL
	120	default n
	121	help
	122	Set this to have arguments from the default kernel command string
	123	override those passed by the boot loader.
	124
	125	config OF
	126	def_bool y
	127
575ca288 MS	128	config PROC_DEVICETREE
	129	bool "Support for device tree in /proc"
	130	depends on PROC_FS
	131	help
	132	This option adds a device-tree directory under /proc which contains
	133	an image of the device tree that the kernel copies from Open
	134	Firmware or other boot firmware. If unsure, say Y here.
	135
	136	endmenu
	137
a116f6d5 MS	138	menu "Advanced setup"
	139
	140	config ADVANCED_OPTIONS
	141	bool "Prompt for advanced kernel configuration options"
	142	depends on MMU
	143	help
	144	This option will enable prompting for a variety of advanced kernel
	145	configuration options. These options can cause the kernel to not
	146	work if they are set incorrectly, but can be used to optimize certain
	147	aspects of kernel memory management.
	148
	149	Unless you know what you are doing, say N here.
	150
	151	comment "Default settings for advanced configuration options are used"
	152	depends on !ADVANCED_OPTIONS
	153
	154	config HIGHMEM_START_BOOL
	155	bool "Set high memory pool address"
	156	depends on ADVANCED_OPTIONS && HIGHMEM
	157	help
	158	This option allows you to set the base address of the kernel virtual
	159	area used to map high memory pages. This can be useful in
	160	optimizing the layout of kernel virtual memory.
	161
	162	Say N here unless you know what you are doing.
	163
	164	config HIGHMEM_START
	165	hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
	166	depends on MMU
	167	default "0xfe000000"
	168
	169	config LOWMEM_SIZE_BOOL
	170	bool "Set maximum low memory"
	171	depends on ADVANCED_OPTIONS
	172	help
	173	This option allows you to set the maximum amount of memory which
	174	will be used as "low memory", that is, memory which the kernel can
	175	access directly, without having to set up a kernel virtual mapping.
	176	This can be useful in optimizing the layout of kernel virtual
	177	memory.
	178
	179	Say N here unless you know what you are doing.
	180
	181	config LOWMEM_SIZE
	182	hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
	183	depends on MMU
	184	default "0x30000000"
	185
	186	config KERNEL_START_BOOL
	187	bool "Set custom kernel base address"
	188	depends on ADVANCED_OPTIONS
	189	help
	190	This option allows you to set the kernel virtual address at which
	191	the kernel will map low memory (the kernel image will be linked at
	192	this address). This can be useful in optimizing the virtual memory
	193	layout of the system.
	194
	195	Say N here unless you know what you are doing.
	196
	197	config KERNEL_START
	198	hex "Virtual address of kernel base" if KERNEL_START_BOOL
	199	default "0xc0000000" if MMU
	200	default KERNEL_BASE_ADDR if !MMU
	201
202	config TASK_SIZE_BOOL
203	bool "Set custom user task size"
204	depends on ADVANCED_OPTIONS
205	help
206	This option allows you to set the amount of virtual address space
207	allocated to user tasks. This can be useful in optimizing the
208	virtual memory layout of the system.
209
210	Say N here unless you know what you are doing.
211
212	config TASK_SIZE
213	hex "Size of user task space" if TASK_SIZE_BOOL
214	depends on MMU
215	default "0x80000000"
216
217	config CONSISTENT_START_BOOL
218	bool "Set custom consistent memory pool address"
219	depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
220	help
221	This option allows you to set the base virtual address
222	of the the consistent memory pool. This pool of virtual
223	memory is used to make consistent memory allocations.
224
225	config CONSISTENT_START
226	hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
227	depends on MMU
228	default "0xff100000" if NOT_COHERENT_CACHE
229
230	config CONSISTENT_SIZE_BOOL
231	bool "Set custom consistent memory pool size"
232	depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
233	help
234	This option allows you to set the size of the the
235	consistent memory pool. This pool of virtual memory
236	is used to make consistent memory allocations.
237
238	config CONSISTENT_SIZE
239	hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
240	depends on MMU
241	default "0x00200000" if NOT_COHERENT_CACHE
242
243	endmenu
244
575ca288 MS	245	source "mm/Kconfig"
	246
	247	menu "Exectuable file formats"
	248
	249	source "fs/Kconfig.binfmt"
	250
	251	endmenu
	252
	253	source "net/Kconfig"
	254
	255	source "drivers/Kconfig"
	256
	257	source "fs/Kconfig"
	258
	259	source "arch/microblaze/Kconfig.debug"
	260
	261	source "security/Kconfig"
	262
	263	source "crypto/Kconfig"
	264
	265	source "lib/Kconfig"