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575ca288 MS |
1 | # For a description of the syntax of this configuration file, |
2 | # see Documentation/kbuild/kconfig-language.txt. | |
3 | ||
4 | mainmenu "Linux/Microblaze Kernel Configuration" | |
5 | ||
6 | config MICROBLAZE | |
7 | def_bool y | |
8 | select HAVE_LMB | |
6fa612b5 | 9 | select ARCH_WANT_OPTIONAL_GPIOLIB |
575ca288 MS |
10 | |
11 | config SWAP | |
12 | def_bool n | |
13 | ||
14 | config RWSEM_GENERIC_SPINLOCK | |
15 | def_bool y | |
16 | ||
17 | config RWSEM_XCHGADD_ALGORITHM | |
18 | bool | |
19 | ||
20 | config ARCH_HAS_ILOG2_U32 | |
21 | def_bool n | |
22 | ||
23 | config ARCH_HAS_ILOG2_U64 | |
24 | def_bool n | |
25 | ||
26 | config GENERIC_FIND_NEXT_BIT | |
27 | def_bool y | |
28 | ||
29 | config GENERIC_HWEIGHT | |
30 | def_bool y | |
31 | ||
32 | config GENERIC_HARDIRQS | |
33 | def_bool y | |
34 | ||
35 | config GENERIC_IRQ_PROBE | |
36 | def_bool y | |
37 | ||
38 | config GENERIC_CALIBRATE_DELAY | |
39 | def_bool y | |
40 | ||
41 | config GENERIC_TIME | |
42 | def_bool y | |
43 | ||
44 | config GENERIC_TIME_VSYSCALL | |
45 | def_bool n | |
46 | ||
47 | config GENERIC_CLOCKEVENTS | |
48 | def_bool y | |
49 | ||
50 | config GENERIC_HARDIRQS_NO__DO_IRQ | |
51 | def_bool y | |
52 | ||
6fa612b5 MS |
53 | config GENERIC_GPIO |
54 | def_bool y | |
55 | ||
14f87389 RLB |
56 | config GENERIC_CSUM |
57 | def_bool y | |
58 | ||
575ca288 | 59 | config PCI |
575ca288 MS |
60 | def_bool n |
61 | ||
62 | config NO_DMA | |
f2224ff0 | 63 | def_bool y |
575ca288 MS |
64 | |
65 | source "init/Kconfig" | |
66 | ||
67 | source "kernel/Kconfig.freezer" | |
68 | ||
69 | source "arch/microblaze/platform/Kconfig.platform" | |
70 | ||
71 | menu "Processor type and features" | |
72 | ||
73 | source kernel/time/Kconfig | |
74 | ||
75 | source "kernel/Kconfig.preempt" | |
76 | ||
77 | source "kernel/Kconfig.hz" | |
78 | ||
79 | config MMU | |
a116f6d5 MS |
80 | bool "MMU support" |
81 | default n | |
575ca288 MS |
82 | |
83 | config NO_MMU | |
84 | bool | |
85 | depends on !MMU | |
86 | default y | |
87 | ||
88 | comment "Boot options" | |
89 | ||
90 | config CMDLINE_BOOL | |
91 | bool "Default bootloader kernel arguments" | |
92 | ||
93 | config 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 | ||
103 | config 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 | ||
111 | config OF | |
112 | def_bool y | |
113 | ||
575ca288 MS |
114 | config 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 | ||
122 | endmenu | |
123 | ||
a116f6d5 MS |
124 | menu "Advanced setup" |
125 | ||
126 | config 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 | ||
137 | comment "Default settings for advanced configuration options are used" | |
138 | depends on !ADVANCED_OPTIONS | |
139 | ||
140 | config 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 | ||
150 | config HIGHMEM_START | |
151 | hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL | |
152 | depends on MMU | |
153 | default "0xfe000000" | |
154 | ||
155 | config 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 | ||
167 | config LOWMEM_SIZE | |
168 | hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL | |
169 | depends on MMU | |
170 | default "0x30000000" | |
171 | ||
172 | config 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 | ||
183 | config 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 | ||
188 | config 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 | ||
198 | config TASK_SIZE | |
199 | hex "Size of user task space" if TASK_SIZE_BOOL | |
200 | depends on MMU | |
201 | default "0x80000000" | |
202 | ||
203 | config 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 | ||
211 | config 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 | ||
216 | config 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 | ||
224 | config 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 | ||
229 | endmenu | |
230 | ||
575ca288 MS |
231 | source "mm/Kconfig" |
232 | ||
233 | menu "Exectuable file formats" | |
234 | ||
235 | source "fs/Kconfig.binfmt" | |
236 | ||
237 | endmenu | |
238 | ||
239 | source "net/Kconfig" | |
240 | ||
241 | source "drivers/Kconfig" | |
242 | ||
243 | source "fs/Kconfig" | |
244 | ||
245 | source "arch/microblaze/Kconfig.debug" | |
246 | ||
247 | source "security/Kconfig" | |
248 | ||
249 | source "crypto/Kconfig" | |
250 | ||
251 | source "lib/Kconfig" |