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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 Simek6fa612b2009-05-11 15:49:12 +02009 select ARCH_WANT_OPTIONAL_GPIOLIB
Michal Simek575ca282009-03-27 14:25:50 +010010
11config SWAP
12 def_bool n
13
14config RWSEM_GENERIC_SPINLOCK
15 def_bool y
16
17config RWSEM_XCHGADD_ALGORITHM
18 bool
19
20config ARCH_HAS_ILOG2_U32
21 def_bool n
22
23config ARCH_HAS_ILOG2_U64
24 def_bool n
25
26config GENERIC_FIND_NEXT_BIT
27 def_bool y
28
29config GENERIC_HWEIGHT
30 def_bool y
31
32config GENERIC_HARDIRQS
33 def_bool y
34
35config GENERIC_IRQ_PROBE
36 def_bool y
37
38config GENERIC_CALIBRATE_DELAY
39 def_bool y
40
41config GENERIC_TIME
42 def_bool y
43
44config GENERIC_TIME_VSYSCALL
45 def_bool n
46
47config GENERIC_CLOCKEVENTS
48 def_bool y
49
50config GENERIC_HARDIRQS_NO__DO_IRQ
51 def_bool y
52
Michal Simek6fa612b2009-05-11 15:49:12 +020053config GENERIC_GPIO
54 def_bool y
55
Michal Simek575ca282009-03-27 14:25:50 +010056config PCI
Michal Simek575ca282009-03-27 14:25:50 +010057 def_bool n
58
59config NO_DMA
Arnd Bergmannf2224ff02009-04-27 17:38:25 +020060 def_bool y
Michal Simek575ca282009-03-27 14:25:50 +010061
62source "init/Kconfig"
63
64source "kernel/Kconfig.freezer"
65
66source "arch/microblaze/platform/Kconfig.platform"
67
68menu "Processor type and features"
69
70source kernel/time/Kconfig
71
72source "kernel/Kconfig.preempt"
73
74source "kernel/Kconfig.hz"
75
76config MMU
Michal Simeka116f6d2009-05-26 16:30:31 +020077 bool "MMU support"
78 default n
Michal Simek575ca282009-03-27 14:25:50 +010079
80config NO_MMU
81 bool
82 depends on !MMU
83 default y
84
85comment "Boot options"
86
87config CMDLINE_BOOL
88 bool "Default bootloader kernel arguments"
89
90config CMDLINE
91 string "Default kernel command string"
92 depends on CMDLINE_BOOL
93 default "console=ttyUL0,115200"
94 help
95 On some architectures there is currently no way for the boot loader
96 to pass arguments to the kernel. For these architectures, you should
97 supply some command-line options at build time by entering them
98 here.
99
100config CMDLINE_FORCE
101 bool "Force default kernel command string"
102 depends on CMDLINE_BOOL
103 default n
104 help
105 Set this to have arguments from the default kernel command string
106 override those passed by the boot loader.
107
108config OF
109 def_bool y
110
Michal Simek575ca282009-03-27 14:25:50 +0100111config PROC_DEVICETREE
112 bool "Support for device tree in /proc"
113 depends on PROC_FS
114 help
115 This option adds a device-tree directory under /proc which contains
116 an image of the device tree that the kernel copies from Open
117 Firmware or other boot firmware. If unsure, say Y here.
118
119endmenu
120
Michal Simeka116f6d2009-05-26 16:30:31 +0200121menu "Advanced setup"
122
123config ADVANCED_OPTIONS
124 bool "Prompt for advanced kernel configuration options"
125 depends on MMU
126 help
127 This option will enable prompting for a variety of advanced kernel
128 configuration options. These options can cause the kernel to not
129 work if they are set incorrectly, but can be used to optimize certain
130 aspects of kernel memory management.
131
132 Unless you know what you are doing, say N here.
133
134comment "Default settings for advanced configuration options are used"
135 depends on !ADVANCED_OPTIONS
136
137config HIGHMEM_START_BOOL
138 bool "Set high memory pool address"
139 depends on ADVANCED_OPTIONS && HIGHMEM
140 help
141 This option allows you to set the base address of the kernel virtual
142 area used to map high memory pages. This can be useful in
143 optimizing the layout of kernel virtual memory.
144
145 Say N here unless you know what you are doing.
146
147config HIGHMEM_START
148 hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
149 depends on MMU
150 default "0xfe000000"
151
152config LOWMEM_SIZE_BOOL
153 bool "Set maximum low memory"
154 depends on ADVANCED_OPTIONS
155 help
156 This option allows you to set the maximum amount of memory which
157 will be used as "low memory", that is, memory which the kernel can
158 access directly, without having to set up a kernel virtual mapping.
159 This can be useful in optimizing the layout of kernel virtual
160 memory.
161
162 Say N here unless you know what you are doing.
163
164config LOWMEM_SIZE
165 hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
166 depends on MMU
167 default "0x30000000"
168
169config KERNEL_START_BOOL
170 bool "Set custom kernel base address"
171 depends on ADVANCED_OPTIONS
172 help
173 This option allows you to set the kernel virtual address at which
174 the kernel will map low memory (the kernel image will be linked at
175 this address). This can be useful in optimizing the virtual memory
176 layout of the system.
177
178 Say N here unless you know what you are doing.
179
180config KERNEL_START
181 hex "Virtual address of kernel base" if KERNEL_START_BOOL
182 default "0xc0000000" if MMU
183 default KERNEL_BASE_ADDR if !MMU
184
185config TASK_SIZE_BOOL
186 bool "Set custom user task size"
187 depends on ADVANCED_OPTIONS
188 help
189 This option allows you to set the amount of virtual address space
190 allocated to user tasks. This can be useful in optimizing the
191 virtual memory layout of the system.
192
193 Say N here unless you know what you are doing.
194
195config TASK_SIZE
196 hex "Size of user task space" if TASK_SIZE_BOOL
197 depends on MMU
198 default "0x80000000"
199
200config CONSISTENT_START_BOOL
201 bool "Set custom consistent memory pool address"
202 depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
203 help
204 This option allows you to set the base virtual address
205 of the the consistent memory pool. This pool of virtual
206 memory is used to make consistent memory allocations.
207
208config CONSISTENT_START
209 hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
210 depends on MMU
211 default "0xff100000" if NOT_COHERENT_CACHE
212
213config CONSISTENT_SIZE_BOOL
214 bool "Set custom consistent memory pool size"
215 depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
216 help
217 This option allows you to set the size of the the
218 consistent memory pool. This pool of virtual memory
219 is used to make consistent memory allocations.
220
221config CONSISTENT_SIZE
222 hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
223 depends on MMU
224 default "0x00200000" if NOT_COHERENT_CACHE
225
226endmenu
227
Michal Simek575ca282009-03-27 14:25:50 +0100228source "mm/Kconfig"
229
230menu "Exectuable file formats"
231
232source "fs/Kconfig.binfmt"
233
234endmenu
235
236source "net/Kconfig"
237
238source "drivers/Kconfig"
239
240source "fs/Kconfig"
241
242source "arch/microblaze/Kconfig.debug"
243
244source "security/Kconfig"
245
246source "crypto/Kconfig"
247
248source "lib/Kconfig"