xref: /openbmc/linux/arch/microblaze/Kconfig (revision a0d3e665)
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
92fd7c761SMichal Simek	select HAVE_FUNCTION_TRACER
106d9e60ceSMichal Simek	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
11a0d3e665SMichal Simek	select HAVE_FUNCTION_GRAPH_TRACER
127d241ff0SMichal Simek	select HAVE_DYNAMIC_FTRACE
137d241ff0SMichal Simek	select HAVE_FTRACE_MCOUNT_RECORD
14afc26cb3SJulie Zhu	select USB_ARCH_HAS_EHCI
156fa612b5SMichal Simek	select ARCH_WANT_OPTIONAL_GPIOLIB
16575ca288SMichal Simek
17575ca288SMichal Simekconfig SWAP
18575ca288SMichal Simek	def_bool n
19575ca288SMichal Simek
20575ca288SMichal Simekconfig RWSEM_GENERIC_SPINLOCK
21575ca288SMichal Simek	def_bool y
22575ca288SMichal Simek
23575ca288SMichal Simekconfig RWSEM_XCHGADD_ALGORITHM
24575ca288SMichal Simek	bool
25575ca288SMichal Simek
26575ca288SMichal Simekconfig ARCH_HAS_ILOG2_U32
27575ca288SMichal Simek	def_bool n
28575ca288SMichal Simek
29575ca288SMichal Simekconfig ARCH_HAS_ILOG2_U64
30575ca288SMichal Simek	def_bool n
31575ca288SMichal Simek
32575ca288SMichal Simekconfig GENERIC_FIND_NEXT_BIT
33575ca288SMichal Simek	def_bool y
34575ca288SMichal Simek
35575ca288SMichal Simekconfig GENERIC_HWEIGHT
36575ca288SMichal Simek	def_bool y
37575ca288SMichal Simek
38575ca288SMichal Simekconfig GENERIC_HARDIRQS
39575ca288SMichal Simek	def_bool y
40575ca288SMichal Simek
41575ca288SMichal Simekconfig GENERIC_IRQ_PROBE
42575ca288SMichal Simek	def_bool y
43575ca288SMichal Simek
44575ca288SMichal Simekconfig GENERIC_CALIBRATE_DELAY
45575ca288SMichal Simek	def_bool y
46575ca288SMichal Simek
47575ca288SMichal Simekconfig GENERIC_TIME
48575ca288SMichal Simek	def_bool y
49575ca288SMichal Simek
50575ca288SMichal Simekconfig GENERIC_TIME_VSYSCALL
51575ca288SMichal Simek	def_bool n
52575ca288SMichal Simek
53575ca288SMichal Simekconfig GENERIC_CLOCKEVENTS
54575ca288SMichal Simek	def_bool y
55575ca288SMichal Simek
56575ca288SMichal Simekconfig GENERIC_HARDIRQS_NO__DO_IRQ
57575ca288SMichal Simek	def_bool y
58575ca288SMichal Simek
596fa612b5SMichal Simekconfig GENERIC_GPIO
606fa612b5SMichal Simek	def_bool y
616fa612b5SMichal Simek
6214f87389SRemis Lima Baimaconfig GENERIC_CSUM
6314f87389SRemis Lima Baima	def_bool y
6414f87389SRemis Lima Baima
6524b45a12SMichal Simekconfig STACKTRACE_SUPPORT
6624b45a12SMichal Simek	def_bool y
6724b45a12SMichal Simek
68bf2d8096SMichal Simekconfig LOCKDEP_SUPPORT
69bf2d8096SMichal Simek	def_bool y
70bf2d8096SMichal Simek
71fb5a32dcSMichal Simekconfig HAVE_LATENCYTOP_SUPPORT
72fb5a32dcSMichal Simek	def_bool y
73fb5a32dcSMichal Simek
74575ca288SMichal Simekconfig PCI
75575ca288SMichal Simek	def_bool n
76575ca288SMichal Simek
77575ca288SMichal Simekconfig NO_DMA
78f2224ff0SArnd Bergmann	def_bool y
79575ca288SMichal Simek
80575ca288SMichal Simeksource "init/Kconfig"
81575ca288SMichal Simek
82575ca288SMichal Simeksource "kernel/Kconfig.freezer"
83575ca288SMichal Simek
84575ca288SMichal Simeksource "arch/microblaze/platform/Kconfig.platform"
85575ca288SMichal Simek
86575ca288SMichal Simekmenu "Processor type and features"
87575ca288SMichal Simek
88575ca288SMichal Simeksource kernel/time/Kconfig
89575ca288SMichal Simek
90575ca288SMichal Simeksource "kernel/Kconfig.preempt"
91575ca288SMichal Simek
92575ca288SMichal Simeksource "kernel/Kconfig.hz"
93575ca288SMichal Simek
94575ca288SMichal Simekconfig MMU
95a116f6d5SMichal Simek	bool "MMU support"
96a116f6d5SMichal Simek	default n
97575ca288SMichal Simek
98575ca288SMichal Simekconfig NO_MMU
99575ca288SMichal Simek	bool
100575ca288SMichal Simek	depends on !MMU
101575ca288SMichal Simek	default y
102575ca288SMichal Simek
103575ca288SMichal Simekcomment "Boot options"
104575ca288SMichal Simek
105575ca288SMichal Simekconfig CMDLINE_BOOL
106575ca288SMichal Simek	bool "Default bootloader kernel arguments"
107575ca288SMichal Simek
108575ca288SMichal Simekconfig CMDLINE
109575ca288SMichal Simek	string "Default kernel command string"
110575ca288SMichal Simek	depends on CMDLINE_BOOL
111575ca288SMichal Simek	default "console=ttyUL0,115200"
112575ca288SMichal Simek	help
113575ca288SMichal Simek	  On some architectures there is currently no way for the boot loader
114575ca288SMichal Simek	  to pass arguments to the kernel. For these architectures, you should
115575ca288SMichal Simek	  supply some command-line options at build time by entering them
116575ca288SMichal Simek	  here.
117575ca288SMichal Simek
118575ca288SMichal Simekconfig CMDLINE_FORCE
119575ca288SMichal Simek	bool "Force default kernel command string"
120575ca288SMichal Simek	depends on CMDLINE_BOOL
121575ca288SMichal Simek	default n
122575ca288SMichal Simek	help
123575ca288SMichal Simek	  Set this to have arguments from the default kernel command string
124575ca288SMichal Simek	  override those passed by the boot loader.
125575ca288SMichal Simek
126575ca288SMichal Simekconfig OF
127575ca288SMichal Simek	def_bool y
128575ca288SMichal Simek
129575ca288SMichal Simekconfig PROC_DEVICETREE
130575ca288SMichal Simek	bool "Support for device tree in /proc"
131575ca288SMichal Simek	depends on PROC_FS
132575ca288SMichal Simek	help
133575ca288SMichal Simek	  This option adds a device-tree directory under /proc which contains
134575ca288SMichal Simek	  an image of the device tree that the kernel copies from Open
135575ca288SMichal Simek	  Firmware or other boot firmware. If unsure, say Y here.
136575ca288SMichal Simek
137575ca288SMichal Simekendmenu
138575ca288SMichal Simek
139a116f6d5SMichal Simekmenu "Advanced setup"
140a116f6d5SMichal Simek
141a116f6d5SMichal Simekconfig ADVANCED_OPTIONS
142a116f6d5SMichal Simek	bool "Prompt for advanced kernel configuration options"
143a116f6d5SMichal Simek	depends on MMU
144a116f6d5SMichal Simek	help
145a116f6d5SMichal Simek	  This option will enable prompting for a variety of advanced kernel
146a116f6d5SMichal Simek	  configuration options.  These options can cause the kernel to not
147a116f6d5SMichal Simek	  work if they are set incorrectly, but can be used to optimize certain
148a116f6d5SMichal Simek	  aspects of kernel memory management.
149a116f6d5SMichal Simek
150a116f6d5SMichal Simek	  Unless you know what you are doing, say N here.
151a116f6d5SMichal Simek
152a116f6d5SMichal Simekcomment "Default settings for advanced configuration options are used"
153a116f6d5SMichal Simek	depends on !ADVANCED_OPTIONS
154a116f6d5SMichal Simek
155a116f6d5SMichal Simekconfig HIGHMEM_START_BOOL
156a116f6d5SMichal Simek	bool "Set high memory pool address"
157a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS && HIGHMEM
158a116f6d5SMichal Simek	help
159a116f6d5SMichal Simek	  This option allows you to set the base address of the kernel virtual
160a116f6d5SMichal Simek	  area used to map high memory pages.  This can be useful in
161a116f6d5SMichal Simek	  optimizing the layout of kernel virtual memory.
162a116f6d5SMichal Simek
163a116f6d5SMichal Simek	  Say N here unless you know what you are doing.
164a116f6d5SMichal Simek
165a116f6d5SMichal Simekconfig HIGHMEM_START
166a116f6d5SMichal Simek	hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
167a116f6d5SMichal Simek	depends on MMU
168a116f6d5SMichal Simek	default "0xfe000000"
169a116f6d5SMichal Simek
170a116f6d5SMichal Simekconfig LOWMEM_SIZE_BOOL
171a116f6d5SMichal Simek	bool "Set maximum low memory"
172a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS
173a116f6d5SMichal Simek	help
174a116f6d5SMichal Simek	  This option allows you to set the maximum amount of memory which
175a116f6d5SMichal Simek	  will be used as "low memory", that is, memory which the kernel can
176a116f6d5SMichal Simek	  access directly, without having to set up a kernel virtual mapping.
177a116f6d5SMichal Simek	  This can be useful in optimizing the layout of kernel virtual
178a116f6d5SMichal Simek	  memory.
179a116f6d5SMichal Simek
180a116f6d5SMichal Simek	  Say N here unless you know what you are doing.
181a116f6d5SMichal Simek
182a116f6d5SMichal Simekconfig LOWMEM_SIZE
183a116f6d5SMichal Simek	hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
184a116f6d5SMichal Simek	depends on MMU
185a116f6d5SMichal Simek	default "0x30000000"
186a116f6d5SMichal Simek
187a116f6d5SMichal Simekconfig KERNEL_START_BOOL
188a116f6d5SMichal Simek	bool "Set custom kernel base address"
189a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS
190a116f6d5SMichal Simek	help
191a116f6d5SMichal Simek	  This option allows you to set the kernel virtual address at which
192a116f6d5SMichal Simek	  the kernel will map low memory (the kernel image will be linked at
193a116f6d5SMichal Simek	  this address).  This can be useful in optimizing the virtual memory
194a116f6d5SMichal Simek	  layout of the system.
195a116f6d5SMichal Simek
196a116f6d5SMichal Simek	  Say N here unless you know what you are doing.
197a116f6d5SMichal Simek
198a116f6d5SMichal Simekconfig KERNEL_START
199a116f6d5SMichal Simek	hex "Virtual address of kernel base" if KERNEL_START_BOOL
200a116f6d5SMichal Simek	default "0xc0000000" if MMU
201a116f6d5SMichal Simek	default KERNEL_BASE_ADDR if !MMU
202a116f6d5SMichal Simek
203a116f6d5SMichal Simekconfig TASK_SIZE_BOOL
204a116f6d5SMichal Simek	bool "Set custom user task size"
205a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS
206a116f6d5SMichal Simek	help
207a116f6d5SMichal Simek	  This option allows you to set the amount of virtual address space
208a116f6d5SMichal Simek	  allocated to user tasks.  This can be useful in optimizing the
209a116f6d5SMichal Simek	  virtual memory layout of the system.
210a116f6d5SMichal Simek
211a116f6d5SMichal Simek	  Say N here unless you know what you are doing.
212a116f6d5SMichal Simek
213a116f6d5SMichal Simekconfig TASK_SIZE
214a116f6d5SMichal Simek	hex "Size of user task space" if TASK_SIZE_BOOL
215a116f6d5SMichal Simek	depends on MMU
216a116f6d5SMichal Simek	default "0x80000000"
217a116f6d5SMichal Simek
218a116f6d5SMichal Simekconfig CONSISTENT_START_BOOL
219a116f6d5SMichal Simek	bool "Set custom consistent memory pool address"
220a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
221a116f6d5SMichal Simek	help
222a116f6d5SMichal Simek	  This option allows you to set the base virtual address
223a116f6d5SMichal Simek	  of the the consistent memory pool.  This pool of virtual
224a116f6d5SMichal Simek	  memory is used to make consistent memory allocations.
225a116f6d5SMichal Simek
226a116f6d5SMichal Simekconfig CONSISTENT_START
227a116f6d5SMichal Simek	hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
228a116f6d5SMichal Simek	depends on MMU
229a116f6d5SMichal Simek	default "0xff100000" if NOT_COHERENT_CACHE
230a116f6d5SMichal Simek
231a116f6d5SMichal Simekconfig CONSISTENT_SIZE_BOOL
232a116f6d5SMichal Simek	bool "Set custom consistent memory pool size"
233a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
234a116f6d5SMichal Simek	help
235a116f6d5SMichal Simek	  This option allows you to set the size of the the
236a116f6d5SMichal Simek	  consistent memory pool.  This pool of virtual memory
237a116f6d5SMichal Simek	  is used to make consistent memory allocations.
238a116f6d5SMichal Simek
239a116f6d5SMichal Simekconfig CONSISTENT_SIZE
240a116f6d5SMichal Simek	hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
241a116f6d5SMichal Simek	depends on MMU
242a116f6d5SMichal Simek	default "0x00200000" if NOT_COHERENT_CACHE
243a116f6d5SMichal Simek
244a116f6d5SMichal Simekendmenu
245a116f6d5SMichal Simek
246575ca288SMichal Simeksource "mm/Kconfig"
247575ca288SMichal Simek
248575ca288SMichal Simekmenu "Exectuable file formats"
249575ca288SMichal Simek
250575ca288SMichal Simeksource "fs/Kconfig.binfmt"
251575ca288SMichal Simek
252575ca288SMichal Simekendmenu
253575ca288SMichal Simek
254575ca288SMichal Simeksource "net/Kconfig"
255575ca288SMichal Simek
256575ca288SMichal Simeksource "drivers/Kconfig"
257575ca288SMichal Simek
258575ca288SMichal Simeksource "fs/Kconfig"
259575ca288SMichal Simek
260575ca288SMichal Simeksource "arch/microblaze/Kconfig.debug"
261575ca288SMichal Simek
262575ca288SMichal Simeksource "security/Kconfig"
263575ca288SMichal Simek
264575ca288SMichal Simeksource "crypto/Kconfig"
265575ca288SMichal Simek
266575ca288SMichal Simeksource "lib/Kconfig"
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