xref: /openbmc/linux/arch/microblaze/Kconfig (revision 7d241ff0)
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
117d241ff0SMichal Simek	select HAVE_DYNAMIC_FTRACE
127d241ff0SMichal Simek	select HAVE_FTRACE_MCOUNT_RECORD
13afc26cb3SJulie Zhu	select USB_ARCH_HAS_EHCI
146fa612b5SMichal Simek	select ARCH_WANT_OPTIONAL_GPIOLIB
15575ca288SMichal Simek
16575ca288SMichal Simekconfig SWAP
17575ca288SMichal Simek	def_bool n
18575ca288SMichal Simek
19575ca288SMichal Simekconfig RWSEM_GENERIC_SPINLOCK
20575ca288SMichal Simek	def_bool y
21575ca288SMichal Simek
22575ca288SMichal Simekconfig RWSEM_XCHGADD_ALGORITHM
23575ca288SMichal Simek	bool
24575ca288SMichal Simek
25575ca288SMichal Simekconfig ARCH_HAS_ILOG2_U32
26575ca288SMichal Simek	def_bool n
27575ca288SMichal Simek
28575ca288SMichal Simekconfig ARCH_HAS_ILOG2_U64
29575ca288SMichal Simek	def_bool n
30575ca288SMichal Simek
31575ca288SMichal Simekconfig GENERIC_FIND_NEXT_BIT
32575ca288SMichal Simek	def_bool y
33575ca288SMichal Simek
34575ca288SMichal Simekconfig GENERIC_HWEIGHT
35575ca288SMichal Simek	def_bool y
36575ca288SMichal Simek
37575ca288SMichal Simekconfig GENERIC_HARDIRQS
38575ca288SMichal Simek	def_bool y
39575ca288SMichal Simek
40575ca288SMichal Simekconfig GENERIC_IRQ_PROBE
41575ca288SMichal Simek	def_bool y
42575ca288SMichal Simek
43575ca288SMichal Simekconfig GENERIC_CALIBRATE_DELAY
44575ca288SMichal Simek	def_bool y
45575ca288SMichal Simek
46575ca288SMichal Simekconfig GENERIC_TIME
47575ca288SMichal Simek	def_bool y
48575ca288SMichal Simek
49575ca288SMichal Simekconfig GENERIC_TIME_VSYSCALL
50575ca288SMichal Simek	def_bool n
51575ca288SMichal Simek
52575ca288SMichal Simekconfig GENERIC_CLOCKEVENTS
53575ca288SMichal Simek	def_bool y
54575ca288SMichal Simek
55575ca288SMichal Simekconfig GENERIC_HARDIRQS_NO__DO_IRQ
56575ca288SMichal Simek	def_bool y
57575ca288SMichal Simek
586fa612b5SMichal Simekconfig GENERIC_GPIO
596fa612b5SMichal Simek	def_bool y
606fa612b5SMichal Simek
6114f87389SRemis Lima Baimaconfig GENERIC_CSUM
6214f87389SRemis Lima Baima	def_bool y
6314f87389SRemis Lima Baima
6424b45a12SMichal Simekconfig STACKTRACE_SUPPORT
6524b45a12SMichal Simek	def_bool y
6624b45a12SMichal Simek
67bf2d8096SMichal Simekconfig LOCKDEP_SUPPORT
68bf2d8096SMichal Simek	def_bool y
69bf2d8096SMichal Simek
70fb5a32dcSMichal Simekconfig HAVE_LATENCYTOP_SUPPORT
71fb5a32dcSMichal Simek	def_bool y
72fb5a32dcSMichal Simek
73575ca288SMichal Simekconfig PCI
74575ca288SMichal Simek	def_bool n
75575ca288SMichal Simek
76575ca288SMichal Simekconfig NO_DMA
77f2224ff0SArnd Bergmann	def_bool y
78575ca288SMichal Simek
79575ca288SMichal Simeksource "init/Kconfig"
80575ca288SMichal Simek
81575ca288SMichal Simeksource "kernel/Kconfig.freezer"
82575ca288SMichal Simek
83575ca288SMichal Simeksource "arch/microblaze/platform/Kconfig.platform"
84575ca288SMichal Simek
85575ca288SMichal Simekmenu "Processor type and features"
86575ca288SMichal Simek
87575ca288SMichal Simeksource kernel/time/Kconfig
88575ca288SMichal Simek
89575ca288SMichal Simeksource "kernel/Kconfig.preempt"
90575ca288SMichal Simek
91575ca288SMichal Simeksource "kernel/Kconfig.hz"
92575ca288SMichal Simek
93575ca288SMichal Simekconfig MMU
94a116f6d5SMichal Simek	bool "MMU support"
95a116f6d5SMichal Simek	default n
96575ca288SMichal Simek
97575ca288SMichal Simekconfig NO_MMU
98575ca288SMichal Simek	bool
99575ca288SMichal Simek	depends on !MMU
100575ca288SMichal Simek	default y
101575ca288SMichal Simek
102575ca288SMichal Simekcomment "Boot options"
103575ca288SMichal Simek
104575ca288SMichal Simekconfig CMDLINE_BOOL
105575ca288SMichal Simek	bool "Default bootloader kernel arguments"
106575ca288SMichal Simek
107575ca288SMichal Simekconfig CMDLINE
108575ca288SMichal Simek	string "Default kernel command string"
109575ca288SMichal Simek	depends on CMDLINE_BOOL
110575ca288SMichal Simek	default "console=ttyUL0,115200"
111575ca288SMichal Simek	help
112575ca288SMichal Simek	  On some architectures there is currently no way for the boot loader
113575ca288SMichal Simek	  to pass arguments to the kernel. For these architectures, you should
114575ca288SMichal Simek	  supply some command-line options at build time by entering them
115575ca288SMichal Simek	  here.
116575ca288SMichal Simek
117575ca288SMichal Simekconfig CMDLINE_FORCE
118575ca288SMichal Simek	bool "Force default kernel command string"
119575ca288SMichal Simek	depends on CMDLINE_BOOL
120575ca288SMichal Simek	default n
121575ca288SMichal Simek	help
122575ca288SMichal Simek	  Set this to have arguments from the default kernel command string
123575ca288SMichal Simek	  override those passed by the boot loader.
124575ca288SMichal Simek
125575ca288SMichal Simekconfig OF
126575ca288SMichal Simek	def_bool y
127575ca288SMichal Simek
128575ca288SMichal Simekconfig PROC_DEVICETREE
129575ca288SMichal Simek	bool "Support for device tree in /proc"
130575ca288SMichal Simek	depends on PROC_FS
131575ca288SMichal Simek	help
132575ca288SMichal Simek	  This option adds a device-tree directory under /proc which contains
133575ca288SMichal Simek	  an image of the device tree that the kernel copies from Open
134575ca288SMichal Simek	  Firmware or other boot firmware. If unsure, say Y here.
135575ca288SMichal Simek
136575ca288SMichal Simekendmenu
137575ca288SMichal Simek
138a116f6d5SMichal Simekmenu "Advanced setup"
139a116f6d5SMichal Simek
140a116f6d5SMichal Simekconfig ADVANCED_OPTIONS
141a116f6d5SMichal Simek	bool "Prompt for advanced kernel configuration options"
142a116f6d5SMichal Simek	depends on MMU
143a116f6d5SMichal Simek	help
144a116f6d5SMichal Simek	  This option will enable prompting for a variety of advanced kernel
145a116f6d5SMichal Simek	  configuration options.  These options can cause the kernel to not
146a116f6d5SMichal Simek	  work if they are set incorrectly, but can be used to optimize certain
147a116f6d5SMichal Simek	  aspects of kernel memory management.
148a116f6d5SMichal Simek
149a116f6d5SMichal Simek	  Unless you know what you are doing, say N here.
150a116f6d5SMichal Simek
151a116f6d5SMichal Simekcomment "Default settings for advanced configuration options are used"
152a116f6d5SMichal Simek	depends on !ADVANCED_OPTIONS
153a116f6d5SMichal Simek
154a116f6d5SMichal Simekconfig HIGHMEM_START_BOOL
155a116f6d5SMichal Simek	bool "Set high memory pool address"
156a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS && HIGHMEM
157a116f6d5SMichal Simek	help
158a116f6d5SMichal Simek	  This option allows you to set the base address of the kernel virtual
159a116f6d5SMichal Simek	  area used to map high memory pages.  This can be useful in
160a116f6d5SMichal Simek	  optimizing the layout of kernel virtual memory.
161a116f6d5SMichal Simek
162a116f6d5SMichal Simek	  Say N here unless you know what you are doing.
163a116f6d5SMichal Simek
164a116f6d5SMichal Simekconfig HIGHMEM_START
165a116f6d5SMichal Simek	hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
166a116f6d5SMichal Simek	depends on MMU
167a116f6d5SMichal Simek	default "0xfe000000"
168a116f6d5SMichal Simek
169a116f6d5SMichal Simekconfig LOWMEM_SIZE_BOOL
170a116f6d5SMichal Simek	bool "Set maximum low memory"
171a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS
172a116f6d5SMichal Simek	help
173a116f6d5SMichal Simek	  This option allows you to set the maximum amount of memory which
174a116f6d5SMichal Simek	  will be used as "low memory", that is, memory which the kernel can
175a116f6d5SMichal Simek	  access directly, without having to set up a kernel virtual mapping.
176a116f6d5SMichal Simek	  This can be useful in optimizing the layout of kernel virtual
177a116f6d5SMichal Simek	  memory.
178a116f6d5SMichal Simek
179a116f6d5SMichal Simek	  Say N here unless you know what you are doing.
180a116f6d5SMichal Simek
181a116f6d5SMichal Simekconfig LOWMEM_SIZE
182a116f6d5SMichal Simek	hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
183a116f6d5SMichal Simek	depends on MMU
184a116f6d5SMichal Simek	default "0x30000000"
185a116f6d5SMichal Simek
186a116f6d5SMichal Simekconfig KERNEL_START_BOOL
187a116f6d5SMichal Simek	bool "Set custom kernel base address"
188a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS
189a116f6d5SMichal Simek	help
190a116f6d5SMichal Simek	  This option allows you to set the kernel virtual address at which
191a116f6d5SMichal Simek	  the kernel will map low memory (the kernel image will be linked at
192a116f6d5SMichal Simek	  this address).  This can be useful in optimizing the virtual memory
193a116f6d5SMichal Simek	  layout of the system.
194a116f6d5SMichal Simek
195a116f6d5SMichal Simek	  Say N here unless you know what you are doing.
196a116f6d5SMichal Simek
197a116f6d5SMichal Simekconfig KERNEL_START
198a116f6d5SMichal Simek	hex "Virtual address of kernel base" if KERNEL_START_BOOL
199a116f6d5SMichal Simek	default "0xc0000000" if MMU
200a116f6d5SMichal Simek	default KERNEL_BASE_ADDR if !MMU
201a116f6d5SMichal Simek
202a116f6d5SMichal Simekconfig TASK_SIZE_BOOL
203a116f6d5SMichal Simek	bool "Set custom user task size"
204a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS
205a116f6d5SMichal Simek	help
206a116f6d5SMichal Simek	  This option allows you to set the amount of virtual address space
207a116f6d5SMichal Simek	  allocated to user tasks.  This can be useful in optimizing the
208a116f6d5SMichal Simek	  virtual memory layout of the system.
209a116f6d5SMichal Simek
210a116f6d5SMichal Simek	  Say N here unless you know what you are doing.
211a116f6d5SMichal Simek
212a116f6d5SMichal Simekconfig TASK_SIZE
213a116f6d5SMichal Simek	hex "Size of user task space" if TASK_SIZE_BOOL
214a116f6d5SMichal Simek	depends on MMU
215a116f6d5SMichal Simek	default "0x80000000"
216a116f6d5SMichal Simek
217a116f6d5SMichal Simekconfig CONSISTENT_START_BOOL
218a116f6d5SMichal Simek	bool "Set custom consistent memory pool address"
219a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
220a116f6d5SMichal Simek	help
221a116f6d5SMichal Simek	  This option allows you to set the base virtual address
222a116f6d5SMichal Simek	  of the the consistent memory pool.  This pool of virtual
223a116f6d5SMichal Simek	  memory is used to make consistent memory allocations.
224a116f6d5SMichal Simek
225a116f6d5SMichal Simekconfig CONSISTENT_START
226a116f6d5SMichal Simek	hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
227a116f6d5SMichal Simek	depends on MMU
228a116f6d5SMichal Simek	default "0xff100000" if NOT_COHERENT_CACHE
229a116f6d5SMichal Simek
230a116f6d5SMichal Simekconfig CONSISTENT_SIZE_BOOL
231a116f6d5SMichal Simek	bool "Set custom consistent memory pool size"
232a116f6d5SMichal Simek	depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
233a116f6d5SMichal Simek	help
234a116f6d5SMichal Simek	  This option allows you to set the size of the the
235a116f6d5SMichal Simek	  consistent memory pool.  This pool of virtual memory
236a116f6d5SMichal Simek	  is used to make consistent memory allocations.
237a116f6d5SMichal Simek
238a116f6d5SMichal Simekconfig CONSISTENT_SIZE
239a116f6d5SMichal Simek	hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
240a116f6d5SMichal Simek	depends on MMU
241a116f6d5SMichal Simek	default "0x00200000" if NOT_COHERENT_CACHE
242a116f6d5SMichal Simek
243a116f6d5SMichal Simekendmenu
244a116f6d5SMichal Simek
245575ca288SMichal Simeksource "mm/Kconfig"
246575ca288SMichal Simek
247575ca288SMichal Simekmenu "Exectuable file formats"
248575ca288SMichal Simek
249575ca288SMichal Simeksource "fs/Kconfig.binfmt"
250575ca288SMichal Simek
251575ca288SMichal Simekendmenu
252575ca288SMichal Simek
253575ca288SMichal Simeksource "net/Kconfig"
254575ca288SMichal Simek
255575ca288SMichal Simeksource "drivers/Kconfig"
256575ca288SMichal Simek
257575ca288SMichal Simeksource "fs/Kconfig"
258575ca288SMichal Simek
259575ca288SMichal Simeksource "arch/microblaze/Kconfig.debug"
260575ca288SMichal Simek
261575ca288SMichal Simeksource "security/Kconfig"
262575ca288SMichal Simek
263575ca288SMichal Simeksource "crypto/Kconfig"
264575ca288SMichal Simek
265575ca288SMichal Simeksource "lib/Kconfig"
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