blob: 2db722d80d4d19133e8508c046c029a5c2c06cc1 [file] [log] [blame]
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
Remis Lima Baima14f87382009-06-18 19:55:32 +020056config GENERIC_CSUM
57 def_bool y
58
Michal Simek575ca282009-03-27 14:25:50 +010059config PCI
Michal Simek575ca282009-03-27 14:25:50 +010060 def_bool n
61
62config NO_DMA
Arnd Bergmannf2224ff02009-04-27 17:38:25 +020063 def_bool y
Michal Simek575ca282009-03-27 14:25:50 +010064
65source "init/Kconfig"
66
67source "kernel/Kconfig.freezer"
68
69source "arch/microblaze/platform/Kconfig.platform"
70
71menu "Processor type and features"
72
73source kernel/time/Kconfig
74
75source "kernel/Kconfig.preempt"
76
77source "kernel/Kconfig.hz"
78
79config MMU
Michal Simeka116f6d2009-05-26 16:30:31 +020080 bool "MMU support"
81 default n
Michal Simek575ca282009-03-27 14:25:50 +010082
83config NO_MMU
84 bool
85 depends on !MMU
86 default y
87
88comment "Boot options"
89
90config CMDLINE_BOOL
91 bool "Default bootloader kernel arguments"
92
93config CMDLINE
94 string "Default kernel command string"
95 depends on CMDLINE_BOOL
96 default "console=ttyUL0,115200"
97 help
98 On some architectures there is currently no way for the boot loader
99 to pass arguments to the kernel. For these architectures, you should
100 supply some command-line options at build time by entering them
101 here.
102
103config CMDLINE_FORCE
104 bool "Force default kernel command string"
105 depends on CMDLINE_BOOL
106 default n
107 help
108 Set this to have arguments from the default kernel command string
109 override those passed by the boot loader.
110
111config OF
112 def_bool y
113
Michal Simek575ca282009-03-27 14:25:50 +0100114config PROC_DEVICETREE
115 bool "Support for device tree in /proc"
116 depends on PROC_FS
117 help
118 This option adds a device-tree directory under /proc which contains
119 an image of the device tree that the kernel copies from Open
120 Firmware or other boot firmware. If unsure, say Y here.
121
122endmenu
123
Michal Simeka116f6d2009-05-26 16:30:31 +0200124menu "Advanced setup"
125
126config ADVANCED_OPTIONS
127 bool "Prompt for advanced kernel configuration options"
128 depends on MMU
129 help
130 This option will enable prompting for a variety of advanced kernel
131 configuration options. These options can cause the kernel to not
132 work if they are set incorrectly, but can be used to optimize certain
133 aspects of kernel memory management.
134
135 Unless you know what you are doing, say N here.
136
137comment "Default settings for advanced configuration options are used"
138 depends on !ADVANCED_OPTIONS
139
140config HIGHMEM_START_BOOL
141 bool "Set high memory pool address"
142 depends on ADVANCED_OPTIONS && HIGHMEM
143 help
144 This option allows you to set the base address of the kernel virtual
145 area used to map high memory pages. This can be useful in
146 optimizing the layout of kernel virtual memory.
147
148 Say N here unless you know what you are doing.
149
150config HIGHMEM_START
151 hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
152 depends on MMU
153 default "0xfe000000"
154
155config LOWMEM_SIZE_BOOL
156 bool "Set maximum low memory"
157 depends on ADVANCED_OPTIONS
158 help
159 This option allows you to set the maximum amount of memory which
160 will be used as "low memory", that is, memory which the kernel can
161 access directly, without having to set up a kernel virtual mapping.
162 This can be useful in optimizing the layout of kernel virtual
163 memory.
164
165 Say N here unless you know what you are doing.
166
167config LOWMEM_SIZE
168 hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
169 depends on MMU
170 default "0x30000000"
171
172config KERNEL_START_BOOL
173 bool "Set custom kernel base address"
174 depends on ADVANCED_OPTIONS
175 help
176 This option allows you to set the kernel virtual address at which
177 the kernel will map low memory (the kernel image will be linked at
178 this address). This can be useful in optimizing the virtual memory
179 layout of the system.
180
181 Say N here unless you know what you are doing.
182
183config KERNEL_START
184 hex "Virtual address of kernel base" if KERNEL_START_BOOL
185 default "0xc0000000" if MMU
186 default KERNEL_BASE_ADDR if !MMU
187
188config TASK_SIZE_BOOL
189 bool "Set custom user task size"
190 depends on ADVANCED_OPTIONS
191 help
192 This option allows you to set the amount of virtual address space
193 allocated to user tasks. This can be useful in optimizing the
194 virtual memory layout of the system.
195
196 Say N here unless you know what you are doing.
197
198config TASK_SIZE
199 hex "Size of user task space" if TASK_SIZE_BOOL
200 depends on MMU
201 default "0x80000000"
202
203config CONSISTENT_START_BOOL
204 bool "Set custom consistent memory pool address"
205 depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
206 help
207 This option allows you to set the base virtual address
208 of the the consistent memory pool. This pool of virtual
209 memory is used to make consistent memory allocations.
210
211config CONSISTENT_START
212 hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
213 depends on MMU
214 default "0xff100000" if NOT_COHERENT_CACHE
215
216config CONSISTENT_SIZE_BOOL
217 bool "Set custom consistent memory pool size"
218 depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
219 help
220 This option allows you to set the size of the the
221 consistent memory pool. This pool of virtual memory
222 is used to make consistent memory allocations.
223
224config CONSISTENT_SIZE
225 hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
226 depends on MMU
227 default "0x00200000" if NOT_COHERENT_CACHE
228
229endmenu
230
Michal Simek575ca282009-03-27 14:25:50 +0100231source "mm/Kconfig"
232
233menu "Exectuable file formats"
234
235source "fs/Kconfig.binfmt"
236
237endmenu
238
239source "net/Kconfig"
240
241source "drivers/Kconfig"
242
243source "fs/Kconfig"
244
245source "arch/microblaze/Kconfig.debug"
246
247source "security/Kconfig"
248
249source "crypto/Kconfig"
250
251source "lib/Kconfig"