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Michal Simek575ca282009-03-27 14:25:50 +01001# For a description of the syntax of this configuration file,
2# see Documentation/kbuild/kconfig-language.txt.
3
4mainmenu "Linux/Microblaze Kernel Configuration"
5
6config MICROBLAZE
7 def_bool y
8 select HAVE_LMB
Michal Simek2fd7c762009-11-16 09:40:14 +01009 select HAVE_FUNCTION_TRACER
Michal Simek6d9e60c2009-11-16 09:55:08 +010010 select HAVE_FUNCTION_TRACE_MCOUNT_TEST
Michal Simeka0d3e662009-11-16 10:32:10 +010011 select HAVE_FUNCTION_GRAPH_TRACER
Michal Simek7d241ff2009-12-10 14:15:44 +010012 select HAVE_DYNAMIC_FTRACE
13 select HAVE_FTRACE_MCOUNT_RECORD
Julie Zhuafc26cb2009-07-27 11:45:32 -060014 select USB_ARCH_HAS_EHCI
Michal Simek6fa612b2009-05-11 15:49:12 +020015 select ARCH_WANT_OPTIONAL_GPIOLIB
John Williams3540ce82009-11-24 20:27:54 +100016 select HAVE_OPROFILE
Michal Simekccfe27d2010-01-14 11:21:02 +010017 select HAVE_DMA_ATTRS
18 select HAVE_DMA_API_DEBUG
John Williams3540ce82009-11-24 20:27:54 +100019 select TRACING_SUPPORT
Michal Simek575ca282009-03-27 14:25:50 +010020
21config SWAP
22 def_bool n
23
24config RWSEM_GENERIC_SPINLOCK
25 def_bool y
26
27config RWSEM_XCHGADD_ALGORITHM
28 bool
29
30config ARCH_HAS_ILOG2_U32
31 def_bool n
32
33config ARCH_HAS_ILOG2_U64
34 def_bool n
35
36config GENERIC_FIND_NEXT_BIT
37 def_bool y
38
39config GENERIC_HWEIGHT
40 def_bool y
41
42config GENERIC_HARDIRQS
43 def_bool y
44
45config GENERIC_IRQ_PROBE
46 def_bool y
47
48config GENERIC_CALIBRATE_DELAY
49 def_bool y
50
51config GENERIC_TIME
52 def_bool y
53
54config GENERIC_TIME_VSYSCALL
55 def_bool n
56
57config GENERIC_CLOCKEVENTS
58 def_bool y
59
60config GENERIC_HARDIRQS_NO__DO_IRQ
61 def_bool y
62
Michal Simek6fa612b2009-05-11 15:49:12 +020063config GENERIC_GPIO
64 def_bool y
65
Remis Lima Baima14f87382009-06-18 19:55:32 +020066config GENERIC_CSUM
67 def_bool y
68
Michal Simek24b45a12009-11-10 15:57:01 +010069config STACKTRACE_SUPPORT
70 def_bool y
71
Michal Simekbf2d8092009-12-10 12:07:02 +010072config LOCKDEP_SUPPORT
73 def_bool y
74
Michal Simekfb5a32d2009-11-16 09:09:47 +010075config HAVE_LATENCYTOP_SUPPORT
76 def_bool y
77
Michal Simek575ca282009-03-27 14:25:50 +010078config PCI
Michal Simek575ca282009-03-27 14:25:50 +010079 def_bool n
80
Michal Simek3c5e5672009-11-30 09:26:09 +010081config DTC
82 def_bool y
83
Michal Simek575ca282009-03-27 14:25:50 +010084source "init/Kconfig"
85
86source "kernel/Kconfig.freezer"
87
88source "arch/microblaze/platform/Kconfig.platform"
89
90menu "Processor type and features"
91
Michal Simek296e2602010-01-12 11:05:49 +010092source "kernel/time/Kconfig"
Michal Simek575ca282009-03-27 14:25:50 +010093
94source "kernel/Kconfig.preempt"
95
96source "kernel/Kconfig.hz"
97
98config MMU
Michal Simeka116f6d2009-05-26 16:30:31 +020099 bool "MMU support"
100 default n
Michal Simek575ca282009-03-27 14:25:50 +0100101
102config NO_MMU
103 bool
104 depends on !MMU
105 default y
106
107comment "Boot options"
108
109config CMDLINE_BOOL
110 bool "Default bootloader kernel arguments"
111
112config CMDLINE
113 string "Default kernel command string"
114 depends on CMDLINE_BOOL
115 default "console=ttyUL0,115200"
116 help
117 On some architectures there is currently no way for the boot loader
118 to pass arguments to the kernel. For these architectures, you should
119 supply some command-line options at build time by entering them
120 here.
121
122config CMDLINE_FORCE
123 bool "Force default kernel command string"
124 depends on CMDLINE_BOOL
125 default n
126 help
127 Set this to have arguments from the default kernel command string
128 override those passed by the boot loader.
129
130config OF
131 def_bool y
Grant Likelye169cfb2009-11-23 14:53:09 -0700132 select OF_FLATTREE
Michal Simek575ca282009-03-27 14:25:50 +0100133
Michal Simek575ca282009-03-27 14:25:50 +0100134config PROC_DEVICETREE
135 bool "Support for device tree in /proc"
136 depends on PROC_FS
137 help
138 This option adds a device-tree directory under /proc which contains
139 an image of the device tree that the kernel copies from Open
140 Firmware or other boot firmware. If unsure, say Y here.
141
142endmenu
143
Michal Simeka116f6d2009-05-26 16:30:31 +0200144menu "Advanced setup"
145
146config ADVANCED_OPTIONS
147 bool "Prompt for advanced kernel configuration options"
148 depends on MMU
149 help
150 This option will enable prompting for a variety of advanced kernel
151 configuration options. These options can cause the kernel to not
152 work if they are set incorrectly, but can be used to optimize certain
153 aspects of kernel memory management.
154
155 Unless you know what you are doing, say N here.
156
157comment "Default settings for advanced configuration options are used"
158 depends on !ADVANCED_OPTIONS
159
160config HIGHMEM_START_BOOL
161 bool "Set high memory pool address"
162 depends on ADVANCED_OPTIONS && HIGHMEM
163 help
164 This option allows you to set the base address of the kernel virtual
165 area used to map high memory pages. This can be useful in
166 optimizing the layout of kernel virtual memory.
167
168 Say N here unless you know what you are doing.
169
170config HIGHMEM_START
171 hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
172 depends on MMU
173 default "0xfe000000"
174
175config LOWMEM_SIZE_BOOL
176 bool "Set maximum low memory"
177 depends on ADVANCED_OPTIONS
178 help
179 This option allows you to set the maximum amount of memory which
180 will be used as "low memory", that is, memory which the kernel can
181 access directly, without having to set up a kernel virtual mapping.
182 This can be useful in optimizing the layout of kernel virtual
183 memory.
184
185 Say N here unless you know what you are doing.
186
187config LOWMEM_SIZE
188 hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
189 depends on MMU
190 default "0x30000000"
191
192config KERNEL_START_BOOL
193 bool "Set custom kernel base address"
194 depends on ADVANCED_OPTIONS
195 help
196 This option allows you to set the kernel virtual address at which
197 the kernel will map low memory (the kernel image will be linked at
198 this address). This can be useful in optimizing the virtual memory
199 layout of the system.
200
201 Say N here unless you know what you are doing.
202
203config KERNEL_START
204 hex "Virtual address of kernel base" if KERNEL_START_BOOL
205 default "0xc0000000" if MMU
206 default KERNEL_BASE_ADDR if !MMU
207
208config TASK_SIZE_BOOL
209 bool "Set custom user task size"
210 depends on ADVANCED_OPTIONS
211 help
212 This option allows you to set the amount of virtual address space
213 allocated to user tasks. This can be useful in optimizing the
214 virtual memory layout of the system.
215
216 Say N here unless you know what you are doing.
217
218config TASK_SIZE
219 hex "Size of user task space" if TASK_SIZE_BOOL
220 depends on MMU
221 default "0x80000000"
222
223config CONSISTENT_START_BOOL
224 bool "Set custom consistent memory pool address"
225 depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
226 help
227 This option allows you to set the base virtual address
228 of the the consistent memory pool. This pool of virtual
229 memory is used to make consistent memory allocations.
230
231config CONSISTENT_START
232 hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
233 depends on MMU
234 default "0xff100000" if NOT_COHERENT_CACHE
235
236config CONSISTENT_SIZE_BOOL
237 bool "Set custom consistent memory pool size"
238 depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
239 help
240 This option allows you to set the size of the the
241 consistent memory pool. This pool of virtual memory
242 is used to make consistent memory allocations.
243
244config CONSISTENT_SIZE
245 hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
246 depends on MMU
247 default "0x00200000" if NOT_COHERENT_CACHE
248
249endmenu
250
Michal Simek575ca282009-03-27 14:25:50 +0100251source "mm/Kconfig"
252
253menu "Exectuable file formats"
254
255source "fs/Kconfig.binfmt"
256
257endmenu
258
259source "net/Kconfig"
260
261source "drivers/Kconfig"
262
263source "fs/Kconfig"
264
265source "arch/microblaze/Kconfig.debug"
266
267source "security/Kconfig"
268
269source "crypto/Kconfig"
270
271source "lib/Kconfig"