xref: /openbmc/linux/arch/microblaze/Kconfig (revision fb5a32dc)
1575ca288SMichal Simek# For a description of the syntax of this configuration file,
2575ca288SMichal Simek# see Documentation/kbuild/kconfig-language.txt.
3575ca288SMichal Simek
4575ca288SMichal Simekmainmenu "Linux/Microblaze Kernel Configuration"
5575ca288SMichal Simek
6575ca288SMichal Simekconfig MICROBLAZE
7575ca288SMichal Simek	def_bool y
8575ca288SMichal Simek	select HAVE_LMB
9afc26cb3SJulie Zhu	select USB_ARCH_HAS_EHCI
106fa612b5SMichal Simek	select ARCH_WANT_OPTIONAL_GPIOLIB
11575ca288SMichal Simek
12575ca288SMichal Simekconfig SWAP
13575ca288SMichal Simek	def_bool n
14575ca288SMichal Simek
15575ca288SMichal Simekconfig RWSEM_GENERIC_SPINLOCK
16575ca288SMichal Simek	def_bool y
17575ca288SMichal Simek
18575ca288SMichal Simekconfig RWSEM_XCHGADD_ALGORITHM
19575ca288SMichal Simek	bool
20575ca288SMichal Simek
21575ca288SMichal Simekconfig ARCH_HAS_ILOG2_U32
22575ca288SMichal Simek	def_bool n
23575ca288SMichal Simek
24575ca288SMichal Simekconfig ARCH_HAS_ILOG2_U64
25575ca288SMichal Simek	def_bool n
26575ca288SMichal Simek
27575ca288SMichal Simekconfig GENERIC_FIND_NEXT_BIT
28575ca288SMichal Simek	def_bool y
29575ca288SMichal Simek
30575ca288SMichal Simekconfig GENERIC_HWEIGHT
31575ca288SMichal Simek	def_bool y
32575ca288SMichal Simek
33575ca288SMichal Simekconfig GENERIC_HARDIRQS
34575ca288SMichal Simek	def_bool y
35575ca288SMichal Simek
36575ca288SMichal Simekconfig GENERIC_IRQ_PROBE
37575ca288SMichal Simek	def_bool y
38575ca288SMichal Simek
39575ca288SMichal Simekconfig GENERIC_CALIBRATE_DELAY
40575ca288SMichal Simek	def_bool y
41575ca288SMichal Simek
42575ca288SMichal Simekconfig GENERIC_TIME
43575ca288SMichal Simek	def_bool y
44575ca288SMichal Simek
45575ca288SMichal Simekconfig GENERIC_TIME_VSYSCALL
46575ca288SMichal Simek	def_bool n
47575ca288SMichal Simek
48575ca288SMichal Simekconfig GENERIC_CLOCKEVENTS
49575ca288SMichal Simek	def_bool y
50575ca288SMichal Simek
51575ca288SMichal Simekconfig GENERIC_HARDIRQS_NO__DO_IRQ
52575ca288SMichal Simek	def_bool y
53575ca288SMichal Simek
546fa612b5SMichal Simekconfig GENERIC_GPIO
556fa612b5SMichal Simek	def_bool y
566fa612b5SMichal Simek
5714f87389SRemis Lima Baimaconfig GENERIC_CSUM
5814f87389SRemis Lima Baima	def_bool y
5914f87389SRemis Lima Baima
6024b45a12SMichal Simekconfig STACKTRACE_SUPPORT
6124b45a12SMichal Simek	def_bool y
6224b45a12SMichal Simek
63bf2d8096SMichal Simekconfig LOCKDEP_SUPPORT
64bf2d8096SMichal Simek	def_bool y
65bf2d8096SMichal Simek
66fb5a32dcSMichal Simekconfig HAVE_LATENCYTOP_SUPPORT
67fb5a32dcSMichal Simek	def_bool y
68fb5a32dcSMichal Simek
69575ca288SMichal Simekconfig PCI
70575ca288SMichal Simek	def_bool n
71575ca288SMichal Simek
72575ca288SMichal Simekconfig NO_DMA
73f2224ff0SArnd Bergmann	def_bool y
74575ca288SMichal Simek
75575ca288SMichal Simeksource "init/Kconfig"
76575ca288SMichal Simek
77575ca288SMichal Simeksource "kernel/Kconfig.freezer"
78575ca288SMichal Simek
79575ca288SMichal Simeksource "arch/microblaze/platform/Kconfig.platform"
80575ca288SMichal Simek
81575ca288SMichal Simekmenu "Processor type and features"
82575ca288SMichal Simek
83575ca288SMichal Simeksource kernel/time/Kconfig
84575ca288SMichal Simek
85575ca288SMichal Simeksource "kernel/Kconfig.preempt"
86575ca288SMichal Simek
87575ca288SMichal Simeksource "kernel/Kconfig.hz"
88575ca288SMichal Simek
89575ca288SMichal Simekconfig MMU
90a116f6d5SMichal Simek	bool "MMU support"
91a116f6d5SMichal Simek	default n
92575ca288SMichal Simek
93575ca288SMichal Simekconfig NO_MMU
94575ca288SMichal Simek	bool
95575ca288SMichal Simek	depends on !MMU
96575ca288SMichal Simek	default y
97575ca288SMichal Simek
98575ca288SMichal Simekcomment "Boot options"
99575ca288SMichal Simek
100575ca288SMichal Simekconfig CMDLINE_BOOL
101575ca288SMichal Simek	bool "Default bootloader kernel arguments"
102575ca288SMichal Simek
103575ca288SMichal Simekconfig CMDLINE
104575ca288SMichal Simek	string "Default kernel command string"
105575ca288SMichal Simek	depends on CMDLINE_BOOL
106575ca288SMichal Simek	default "console=ttyUL0,115200"
107575ca288SMichal Simek	help
108575ca288SMichal Simek	  On some architectures there is currently no way for the boot loader
109575ca288SMichal Simek	  to pass arguments to the kernel. For these architectures, you should
110575ca288SMichal Simek	  supply some command-line options at build time by entering them
111575ca288SMichal Simek	  here.
112575ca288SMichal Simek
113575ca288SMichal Simekconfig CMDLINE_FORCE
114575ca288SMichal Simek	bool "Force default kernel command string"
115575ca288SMichal Simek	depends on CMDLINE_BOOL
116575ca288SMichal Simek	default n
117575ca288SMichal Simek	help
118575ca288SMichal Simek	  Set this to have arguments from the default kernel command string
119575ca288SMichal Simek	  override those passed by the boot loader.
120575ca288SMichal Simek
121575ca288SMichal Simekconfig OF
122575ca288SMichal Simek	def_bool y
123575ca288SMichal Simek
124575ca288SMichal Simekconfig PROC_DEVICETREE
125575ca288SMichal Simek	bool "Support for device tree in /proc"
126575ca288SMichal Simek	depends on PROC_FS
127575ca288SMichal Simek	help
128575ca288SMichal Simek	  This option adds a device-tree directory under /proc which contains
129575ca288SMichal Simek	  an image of the device tree that the kernel copies from Open
130575ca288SMichal Simek	  Firmware or other boot firmware. If unsure, say Y here.
131575ca288SMichal Simek
132575ca288SMichal Simekendmenu
133575ca288SMichal Simek
134a116f6d5SMichal Simekmenu "Advanced setup"
135a116f6d5SMichal Simek
136a116f6d5SMichal Simekconfig ADVANCED_OPTIONS
137a116f6d5SMichal Simek	bool "Prompt for advanced kernel configuration options"
138a116f6d5SMichal Simek	depends on MMU
139a116f6d5SMichal Simek	help
140a116f6d5SMichal Simek	  This option will enable prompting for a variety of advanced kernel
141a116f6d5SMichal Simek	  configuration options.  These options can cause the kernel to not
142a116f6d5SMichal Simek	  work if they are set incorrectly, but can be used to optimize certain
143a116f6d5SMichal Simek	  aspects of kernel memory management.
144a116f6d5SMichal Simek
145a116f6d5SMichal Simek	  Unless you know what you are doing, say N here.
146a116f6d5SMichal Simek
147a116f6d5SMichal Simekcomment "Default settings for advanced configuration options are used"
148a116f6d5SMichal Simek	depends on !ADVANCED_OPTIONS
149a116f6d5SMichal Simek
150a116f6d5SMichal Simekconfig HIGHMEM_START_BOOL
151a116f6d5SMichal Simek	bool "Set high memory pool address"
152a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS && HIGHMEM
153a116f6d5SMichal Simek	help
154a116f6d5SMichal Simek	  This option allows you to set the base address of the kernel virtual
155a116f6d5SMichal Simek	  area used to map high memory pages.  This can be useful in
156a116f6d5SMichal Simek	  optimizing the layout of kernel virtual memory.
157a116f6d5SMichal Simek
158a116f6d5SMichal Simek	  Say N here unless you know what you are doing.
159a116f6d5SMichal Simek
160a116f6d5SMichal Simekconfig HIGHMEM_START
161a116f6d5SMichal Simek	hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
162a116f6d5SMichal Simek	depends on MMU
163a116f6d5SMichal Simek	default "0xfe000000"
164a116f6d5SMichal Simek
165a116f6d5SMichal Simekconfig LOWMEM_SIZE_BOOL
166a116f6d5SMichal Simek	bool "Set maximum low memory"
167a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS
168a116f6d5SMichal Simek	help
169a116f6d5SMichal Simek	  This option allows you to set the maximum amount of memory which
170a116f6d5SMichal Simek	  will be used as "low memory", that is, memory which the kernel can
171a116f6d5SMichal Simek	  access directly, without having to set up a kernel virtual mapping.
172a116f6d5SMichal Simek	  This can be useful in optimizing the layout of kernel virtual
173a116f6d5SMichal Simek	  memory.
174a116f6d5SMichal Simek
175a116f6d5SMichal Simek	  Say N here unless you know what you are doing.
176a116f6d5SMichal Simek
177a116f6d5SMichal Simekconfig LOWMEM_SIZE
178a116f6d5SMichal Simek	hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
179a116f6d5SMichal Simek	depends on MMU
180a116f6d5SMichal Simek	default "0x30000000"
181a116f6d5SMichal Simek
182a116f6d5SMichal Simekconfig KERNEL_START_BOOL
183a116f6d5SMichal Simek	bool "Set custom kernel base address"
184a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS
185a116f6d5SMichal Simek	help
186a116f6d5SMichal Simek	  This option allows you to set the kernel virtual address at which
187a116f6d5SMichal Simek	  the kernel will map low memory (the kernel image will be linked at
188a116f6d5SMichal Simek	  this address).  This can be useful in optimizing the virtual memory
189a116f6d5SMichal Simek	  layout of the system.
190a116f6d5SMichal Simek
191a116f6d5SMichal Simek	  Say N here unless you know what you are doing.
192a116f6d5SMichal Simek
193a116f6d5SMichal Simekconfig KERNEL_START
194a116f6d5SMichal Simek	hex "Virtual address of kernel base" if KERNEL_START_BOOL
195a116f6d5SMichal Simek	default "0xc0000000" if MMU
196a116f6d5SMichal Simek	default KERNEL_BASE_ADDR if !MMU
197a116f6d5SMichal Simek
198a116f6d5SMichal Simekconfig TASK_SIZE_BOOL
199a116f6d5SMichal Simek	bool "Set custom user task size"
200a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS
201a116f6d5SMichal Simek	help
202a116f6d5SMichal Simek	  This option allows you to set the amount of virtual address space
203a116f6d5SMichal Simek	  allocated to user tasks.  This can be useful in optimizing the
204a116f6d5SMichal Simek	  virtual memory layout of the system.
205a116f6d5SMichal Simek
206a116f6d5SMichal Simek	  Say N here unless you know what you are doing.
207a116f6d5SMichal Simek
208a116f6d5SMichal Simekconfig TASK_SIZE
209a116f6d5SMichal Simek	hex "Size of user task space" if TASK_SIZE_BOOL
210a116f6d5SMichal Simek	depends on MMU
211a116f6d5SMichal Simek	default "0x80000000"
212a116f6d5SMichal Simek
213a116f6d5SMichal Simekconfig CONSISTENT_START_BOOL
214a116f6d5SMichal Simek	bool "Set custom consistent memory pool address"
215a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
216a116f6d5SMichal Simek	help
217a116f6d5SMichal Simek	  This option allows you to set the base virtual address
218a116f6d5SMichal Simek	  of the the consistent memory pool.  This pool of virtual
219a116f6d5SMichal Simek	  memory is used to make consistent memory allocations.
220a116f6d5SMichal Simek
221a116f6d5SMichal Simekconfig CONSISTENT_START
222a116f6d5SMichal Simek	hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
223a116f6d5SMichal Simek	depends on MMU
224a116f6d5SMichal Simek	default "0xff100000" if NOT_COHERENT_CACHE
225a116f6d5SMichal Simek
226a116f6d5SMichal Simekconfig CONSISTENT_SIZE_BOOL
227a116f6d5SMichal Simek	bool "Set custom consistent memory pool size"
228a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
229a116f6d5SMichal Simek	help
230a116f6d5SMichal Simek	  This option allows you to set the size of the the
231a116f6d5SMichal Simek	  consistent memory pool.  This pool of virtual memory
232a116f6d5SMichal Simek	  is used to make consistent memory allocations.
233a116f6d5SMichal Simek
234a116f6d5SMichal Simekconfig CONSISTENT_SIZE
235a116f6d5SMichal Simek	hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
236a116f6d5SMichal Simek	depends on MMU
237a116f6d5SMichal Simek	default "0x00200000" if NOT_COHERENT_CACHE
238a116f6d5SMichal Simek
239a116f6d5SMichal Simekendmenu
240a116f6d5SMichal Simek
241575ca288SMichal Simeksource "mm/Kconfig"
242575ca288SMichal Simek
243575ca288SMichal Simekmenu "Exectuable file formats"
244575ca288SMichal Simek
245575ca288SMichal Simeksource "fs/Kconfig.binfmt"
246575ca288SMichal Simek
247575ca288SMichal Simekendmenu
248575ca288SMichal Simek
249575ca288SMichal Simeksource "net/Kconfig"
250575ca288SMichal Simek
251575ca288SMichal Simeksource "drivers/Kconfig"
252575ca288SMichal Simek
253575ca288SMichal Simeksource "fs/Kconfig"
254575ca288SMichal Simek
255575ca288SMichal Simeksource "arch/microblaze/Kconfig.debug"
256575ca288SMichal Simek
257575ca288SMichal Simeksource "security/Kconfig"
258575ca288SMichal Simek
259575ca288SMichal Simeksource "crypto/Kconfig"
260575ca288SMichal Simek
261575ca288SMichal Simeksource "lib/Kconfig"
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