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1da177e4 LT |
1 | # |
2 | # For a description of the syntax of this configuration file, | |
3 | # see Documentation/kbuild/kconfig-language.txt. | |
4 | # | |
5 | config FRV | |
6 | bool | |
7 | default y | |
ec7748b5 | 8 | select HAVE_IDE |
4a3b9893 | 9 | select HAVE_ARCH_TRACEHOOK |
1da177e4 | 10 | |
66701b14 CL |
11 | config ZONE_DMA |
12 | bool | |
13 | default y | |
14 | ||
1da177e4 LT |
15 | config RWSEM_GENERIC_SPINLOCK |
16 | bool | |
17 | default y | |
18 | ||
19 | config RWSEM_XCHGADD_ALGORITHM | |
20 | bool | |
21 | ||
22 | config GENERIC_FIND_NEXT_BIT | |
23 | bool | |
24 | default y | |
25 | ||
1f6d7a93 AM |
26 | config GENERIC_HWEIGHT |
27 | bool | |
28 | default y | |
29 | ||
1da177e4 LT |
30 | config GENERIC_CALIBRATE_DELAY |
31 | bool | |
32 | default n | |
33 | ||
34 | config GENERIC_HARDIRQS | |
35 | bool | |
1bcbba30 | 36 | default y |
1da177e4 | 37 | |
af8c65b5 DH |
38 | config GENERIC_HARDIRQS_NO__DO_IRQ |
39 | bool | |
40 | default y | |
41 | ||
ebd6c171 | 42 | config GENERIC_TIME |
43 | bool | |
44 | default y | |
45 | ||
06027bdd IM |
46 | config TIME_LOW_RES |
47 | bool | |
48 | default y | |
49 | ||
8defab33 | 50 | config QUICKLIST |
f0d1b0b3 DH |
51 | bool |
52 | default y | |
53 | ||
8defab33 | 54 | config ARCH_HAS_ILOG2_U32 |
f0d1b0b3 DH |
55 | bool |
56 | default y | |
57 | ||
8defab33 | 58 | config ARCH_HAS_ILOG2_U64 |
81819f0f CL |
59 | bool |
60 | default y | |
61 | ||
bdc80787 PA |
62 | config HZ |
63 | int | |
64 | default 1000 | |
65 | ||
1da177e4 LT |
66 | mainmenu "Fujitsu FR-V Kernel Configuration" |
67 | ||
68 | source "init/Kconfig" | |
69 | ||
dc52ddc0 MH |
70 | source "kernel/Kconfig.freezer" |
71 | ||
1da177e4 LT |
72 | |
73 | menu "Fujitsu FR-V system setup" | |
74 | ||
75 | config MMU | |
76 | bool "MMU support" | |
77 | help | |
78 | This options switches on and off support for the FR-V MMU | |
79 | (effectively switching between vmlinux and uClinux). Not all FR-V | |
80 | CPUs support this. Currently only the FR451 has a sufficiently | |
81 | featured MMU. | |
82 | ||
83 | config FRV_OUTOFLINE_ATOMIC_OPS | |
84 | bool "Out-of-line the FRV atomic operations" | |
85 | default n | |
86 | help | |
87 | Setting this option causes the FR-V atomic operations to be mostly | |
88 | implemented out-of-line. | |
89 | ||
0868ff7a | 90 | See Documentation/frv/atomic-ops.txt for more information. |
1da177e4 LT |
91 | |
92 | config HIGHMEM | |
93 | bool "High memory support" | |
94 | depends on MMU | |
95 | default y | |
96 | help | |
97 | If you wish to use more than 256MB of memory with your MMU based | |
98 | system, you will need to select this option. The kernel can only see | |
99 | the memory between 0xC0000000 and 0xD0000000 directly... everything | |
100 | else must be kmapped. | |
101 | ||
102 | The arch is, however, capable of supporting up to 3GB of SDRAM. | |
103 | ||
104 | config HIGHPTE | |
105 | bool "Allocate page tables in highmem" | |
106 | depends on HIGHMEM | |
107 | default y | |
108 | help | |
109 | The VM uses one page of memory for each page table. For systems | |
110 | with a lot of RAM, this can be wasteful of precious low memory. | |
111 | Setting this option will put user-space page tables in high memory. | |
112 | ||
3f22ab27 DH |
113 | source "mm/Kconfig" |
114 | ||
1da177e4 LT |
115 | choice |
116 | prompt "uClinux kernel load address" | |
117 | depends on !MMU | |
118 | default UCPAGE_OFFSET_C0000000 | |
119 | help | |
120 | This option sets the base address for the uClinux kernel. The kernel | |
121 | will rearrange the SDRAM layout to start at this address, and move | |
122 | itself to start there. It must be greater than 0, and it must be | |
123 | sufficiently less than 0xE0000000 that the SDRAM does not intersect | |
124 | the I/O region. | |
125 | ||
126 | The base address must also be aligned such that the SDRAM controller | |
127 | can decode it. For instance, a 512MB SDRAM bank must be 512MB aligned. | |
128 | ||
129 | config UCPAGE_OFFSET_20000000 | |
130 | bool "0x20000000" | |
131 | ||
132 | config UCPAGE_OFFSET_40000000 | |
133 | bool "0x40000000" | |
134 | ||
135 | config UCPAGE_OFFSET_60000000 | |
136 | bool "0x60000000" | |
137 | ||
138 | config UCPAGE_OFFSET_80000000 | |
139 | bool "0x80000000" | |
140 | ||
141 | config UCPAGE_OFFSET_A0000000 | |
142 | bool "0xA0000000" | |
143 | ||
144 | config UCPAGE_OFFSET_C0000000 | |
145 | bool "0xC0000000 (Recommended)" | |
146 | ||
147 | endchoice | |
148 | ||
7038220a DH |
149 | config PAGE_OFFSET |
150 | hex | |
151 | default 0x20000000 if UCPAGE_OFFSET_20000000 | |
152 | default 0x40000000 if UCPAGE_OFFSET_40000000 | |
153 | default 0x60000000 if UCPAGE_OFFSET_60000000 | |
154 | default 0x80000000 if UCPAGE_OFFSET_80000000 | |
155 | default 0xA0000000 if UCPAGE_OFFSET_A0000000 | |
156 | default 0xC0000000 | |
157 | ||
1da177e4 LT |
158 | config PROTECT_KERNEL |
159 | bool "Protect core kernel against userspace" | |
160 | depends on !MMU | |
161 | default y | |
162 | help | |
163 | Selecting this option causes the uClinux kernel to change the | |
164 | permittivity of DAMPR register covering the core kernel image to | |
165 | prevent userspace accessing the underlying memory directly. | |
166 | ||
167 | choice | |
168 | prompt "CPU Caching mode" | |
169 | default FRV_DEFL_CACHE_WBACK | |
170 | help | |
171 | This option determines the default caching mode for the kernel. | |
172 | ||
173 | Write-Back caching mode involves the all reads and writes causing | |
174 | the affected cacheline to be read into the cache first before being | |
175 | operated upon. Memory is not then updated by a write until the cache | |
176 | is filled and a cacheline needs to be displaced from the cache to | |
177 | make room. Only at that point is it written back. | |
178 | ||
179 | Write-Behind caching is similar to Write-Back caching, except that a | |
180 | write won't fetch a cacheline into the cache if there isn't already | |
181 | one there; it will write directly to memory instead. | |
182 | ||
183 | Write-Through caching only fetches cachelines from memory on a | |
184 | read. Writes always get written directly to memory. If the affected | |
185 | cacheline is also in cache, it will be updated too. | |
186 | ||
187 | The final option is to turn of caching entirely. | |
188 | ||
189 | Note that not all CPUs support Write-Behind caching. If the CPU on | |
190 | which the kernel is running doesn't, it'll fall back to Write-Back | |
191 | caching. | |
192 | ||
193 | config FRV_DEFL_CACHE_WBACK | |
194 | bool "Write-Back" | |
195 | ||
196 | config FRV_DEFL_CACHE_WBEHIND | |
197 | bool "Write-Behind" | |
198 | ||
199 | config FRV_DEFL_CACHE_WTHRU | |
200 | bool "Write-Through" | |
201 | ||
202 | config FRV_DEFL_CACHE_DISABLED | |
203 | bool "Disabled" | |
204 | ||
205 | endchoice | |
206 | ||
207 | menu "CPU core support" | |
208 | ||
209 | config CPU_FR401 | |
210 | bool "Include FR401 core support" | |
211 | depends on !MMU | |
212 | default y | |
213 | help | |
214 | This enables support for the FR401, FR401A and FR403 CPUs | |
215 | ||
216 | config CPU_FR405 | |
217 | bool "Include FR405 core support" | |
218 | depends on !MMU | |
219 | default y | |
220 | help | |
221 | This enables support for the FR405 CPU | |
222 | ||
223 | config CPU_FR451 | |
224 | bool "Include FR451 core support" | |
225 | default y | |
226 | help | |
227 | This enables support for the FR451 CPU | |
228 | ||
229 | config CPU_FR451_COMPILE | |
230 | bool "Specifically compile for FR451 core" | |
231 | depends on CPU_FR451 && !CPU_FR401 && !CPU_FR405 && !CPU_FR551 | |
232 | default y | |
233 | help | |
234 | This causes appropriate flags to be passed to the compiler to | |
235 | optimise for the FR451 CPU | |
236 | ||
237 | config CPU_FR551 | |
238 | bool "Include FR551 core support" | |
239 | depends on !MMU | |
240 | default y | |
241 | help | |
242 | This enables support for the FR555 CPU | |
243 | ||
244 | config CPU_FR551_COMPILE | |
245 | bool "Specifically compile for FR551 core" | |
246 | depends on CPU_FR551 && !CPU_FR401 && !CPU_FR405 && !CPU_FR451 | |
247 | default y | |
248 | help | |
249 | This causes appropriate flags to be passed to the compiler to | |
250 | optimise for the FR555 CPU | |
251 | ||
252 | config FRV_L1_CACHE_SHIFT | |
253 | int | |
254 | default "5" if CPU_FR401 || CPU_FR405 || CPU_FR451 | |
255 | default "6" if CPU_FR551 | |
256 | ||
257 | endmenu | |
258 | ||
259 | choice | |
260 | prompt "System support" | |
261 | default MB93091_VDK | |
262 | ||
263 | config MB93091_VDK | |
264 | bool "MB93091 CPU board with or without motherboard" | |
265 | ||
266 | config MB93093_PDK | |
267 | bool "MB93093 PDK unit" | |
268 | ||
269 | endchoice | |
270 | ||
271 | if MB93091_VDK | |
272 | choice | |
273 | prompt "Motherboard support" | |
274 | default MB93090_MB00 | |
275 | ||
276 | config MB93090_MB00 | |
277 | bool "Use the MB93090-MB00 motherboard" | |
278 | help | |
279 | Select this option if the MB93091 CPU board is going to be used with | |
280 | a MB93090-MB00 VDK motherboard | |
281 | ||
282 | config MB93091_NO_MB | |
283 | bool "Use standalone" | |
284 | help | |
285 | Select this option if the MB93091 CPU board is going to be used | |
286 | without a motherboard | |
287 | ||
288 | endchoice | |
289 | endif | |
290 | ||
1bcbba30 DH |
291 | config FUJITSU_MB93493 |
292 | bool "MB93493 Multimedia chip" | |
293 | help | |
294 | Select this option if the MB93493 multimedia chip is going to be | |
295 | used. | |
296 | ||
1da177e4 LT |
297 | choice |
298 | prompt "GP-Relative data support" | |
299 | default GPREL_DATA_8 | |
300 | help | |
301 | This option controls what data, if any, should be placed in the GP | |
302 | relative data sections. Using this means that the compiler can | |
303 | generate accesses to the data using GR16-relative addressing which | |
304 | is faster than absolute instructions and saves space (2 instructions | |
305 | per access). | |
306 | ||
307 | However, the GPREL region is limited in size because the immediate | |
308 | value used in the load and store instructions is limited to a 12-bit | |
309 | signed number. | |
310 | ||
311 | So if the linker starts complaining that accesses to GPREL data are | |
312 | out of range, try changing this option from the default. | |
313 | ||
314 | Note that modules will always be compiled with this feature disabled | |
315 | as the module data will not be in range of the GP base address. | |
316 | ||
317 | config GPREL_DATA_8 | |
318 | bool "Put data objects of up to 8 bytes into GP-REL" | |
319 | ||
320 | config GPREL_DATA_4 | |
321 | bool "Put data objects of up to 4 bytes into GP-REL" | |
322 | ||
323 | config GPREL_DATA_NONE | |
324 | bool "Don't use GP-REL" | |
325 | ||
326 | endchoice | |
327 | ||
f8aec757 DH |
328 | config FRV_ONCPU_SERIAL |
329 | bool "Use on-CPU serial ports" | |
330 | select SERIAL_8250 | |
331 | default y | |
332 | ||
1da177e4 LT |
333 | config PCI |
334 | bool "Use PCI" | |
335 | depends on MB93090_MB00 | |
336 | default y | |
337 | help | |
338 | Some FR-V systems (such as the MB93090-MB00 VDK) have PCI | |
339 | onboard. If you have one of these boards and you wish to use the PCI | |
340 | facilities, say Y here. | |
341 | ||
1da177e4 LT |
342 | config RESERVE_DMA_COHERENT |
343 | bool "Reserve DMA coherent memory" | |
344 | depends on PCI && !MMU | |
345 | default y | |
346 | help | |
347 | Many PCI drivers require access to uncached memory for DMA device | |
348 | communications (such as is done with some Ethernet buffer rings). If | |
349 | a fully featured MMU is available, this can be done through page | |
350 | table settings, but if not, a region has to be set aside and marked | |
351 | with a special DAMPR register. | |
352 | ||
353 | Setting this option causes uClinux to set aside a portion of the | |
354 | available memory for use in this manner. The memory will then be | |
355 | unavailable for normal kernel use. | |
356 | ||
357 | source "drivers/pci/Kconfig" | |
358 | ||
7a758313 | 359 | source "drivers/pcmcia/Kconfig" |
1da177e4 LT |
360 | |
361 | #config MATH_EMULATION | |
362 | # bool "Math emulation support (EXPERIMENTAL)" | |
363 | # depends on EXPERIMENTAL | |
364 | # help | |
365 | # At some point in the future, this will cause floating-point math | |
366 | # instructions to be emulated by the kernel on machines that lack a | |
367 | # floating-point math coprocessor. Thrill-seekers and chronically | |
368 | # sleep-deprived psychotic hacker types can say Y now, everyone else | |
369 | # should probably wait a while. | |
370 | ||
371 | menu "Power management options" | |
f4cb5700 JB |
372 | |
373 | config ARCH_SUSPEND_POSSIBLE | |
374 | def_bool y | |
375 | depends on !SMP | |
376 | ||
1da177e4 LT |
377 | source kernel/power/Kconfig |
378 | endmenu | |
379 | ||
380 | endmenu | |
381 | ||
382 | ||
383 | menu "Executable formats" | |
384 | ||
385 | source "fs/Kconfig.binfmt" | |
386 | ||
387 | endmenu | |
388 | ||
d5950b43 SR |
389 | source "net/Kconfig" |
390 | ||
1da177e4 LT |
391 | source "drivers/Kconfig" |
392 | ||
393 | source "fs/Kconfig" | |
394 | ||
395 | source "arch/frv/Kconfig.debug" | |
396 | ||
397 | source "security/Kconfig" | |
398 | ||
399 | source "crypto/Kconfig" | |
400 | ||
401 | source "lib/Kconfig" |