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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 |
42ca4fb6 | 10 | select HAVE_PERF_COUNTERS |
1da177e4 | 11 | |
66701b14 CL |
12 | config ZONE_DMA |
13 | bool | |
14 | default y | |
15 | ||
1da177e4 LT |
16 | config RWSEM_GENERIC_SPINLOCK |
17 | bool | |
18 | default y | |
19 | ||
20 | config RWSEM_XCHGADD_ALGORITHM | |
21 | bool | |
22 | ||
23 | config GENERIC_FIND_NEXT_BIT | |
24 | bool | |
25 | default y | |
26 | ||
1f6d7a93 AM |
27 | config GENERIC_HWEIGHT |
28 | bool | |
29 | default y | |
30 | ||
1da177e4 LT |
31 | config GENERIC_CALIBRATE_DELAY |
32 | bool | |
33 | default n | |
34 | ||
35 | config GENERIC_HARDIRQS | |
36 | bool | |
1bcbba30 | 37 | default y |
1da177e4 | 38 | |
af8c65b5 DH |
39 | config GENERIC_HARDIRQS_NO__DO_IRQ |
40 | bool | |
41 | default y | |
42 | ||
ebd6c171 JS |
43 | config GENERIC_TIME |
44 | bool | |
45 | default y | |
46 | ||
06027bdd IM |
47 | config TIME_LOW_RES |
48 | bool | |
49 | default y | |
50 | ||
8defab33 | 51 | config QUICKLIST |
f0d1b0b3 DH |
52 | bool |
53 | default y | |
54 | ||
8defab33 | 55 | config ARCH_HAS_ILOG2_U32 |
f0d1b0b3 DH |
56 | bool |
57 | default y | |
58 | ||
8defab33 | 59 | config ARCH_HAS_ILOG2_U64 |
81819f0f CL |
60 | bool |
61 | default y | |
62 | ||
bdc80787 PA |
63 | config HZ |
64 | int | |
65 | default 1000 | |
66 | ||
1da177e4 LT |
67 | mainmenu "Fujitsu FR-V Kernel Configuration" |
68 | ||
69 | source "init/Kconfig" | |
70 | ||
dc52ddc0 MH |
71 | source "kernel/Kconfig.freezer" |
72 | ||
1da177e4 LT |
73 | |
74 | menu "Fujitsu FR-V system setup" | |
75 | ||
76 | config MMU | |
77 | bool "MMU support" | |
78 | help | |
79 | This options switches on and off support for the FR-V MMU | |
80 | (effectively switching between vmlinux and uClinux). Not all FR-V | |
81 | CPUs support this. Currently only the FR451 has a sufficiently | |
82 | featured MMU. | |
83 | ||
84 | config FRV_OUTOFLINE_ATOMIC_OPS | |
85 | bool "Out-of-line the FRV atomic operations" | |
86 | default n | |
87 | help | |
88 | Setting this option causes the FR-V atomic operations to be mostly | |
89 | implemented out-of-line. | |
90 | ||
0868ff7a | 91 | See Documentation/frv/atomic-ops.txt for more information. |
1da177e4 LT |
92 | |
93 | config HIGHMEM | |
94 | bool "High memory support" | |
95 | depends on MMU | |
96 | default y | |
97 | help | |
98 | If you wish to use more than 256MB of memory with your MMU based | |
99 | system, you will need to select this option. The kernel can only see | |
100 | the memory between 0xC0000000 and 0xD0000000 directly... everything | |
101 | else must be kmapped. | |
102 | ||
103 | The arch is, however, capable of supporting up to 3GB of SDRAM. | |
104 | ||
105 | config HIGHPTE | |
106 | bool "Allocate page tables in highmem" | |
107 | depends on HIGHMEM | |
108 | default y | |
109 | help | |
110 | The VM uses one page of memory for each page table. For systems | |
111 | with a lot of RAM, this can be wasteful of precious low memory. | |
112 | Setting this option will put user-space page tables in high memory. | |
113 | ||
3f22ab27 DH |
114 | source "mm/Kconfig" |
115 | ||
1da177e4 LT |
116 | choice |
117 | prompt "uClinux kernel load address" | |
118 | depends on !MMU | |
119 | default UCPAGE_OFFSET_C0000000 | |
120 | help | |
121 | This option sets the base address for the uClinux kernel. The kernel | |
122 | will rearrange the SDRAM layout to start at this address, and move | |
123 | itself to start there. It must be greater than 0, and it must be | |
124 | sufficiently less than 0xE0000000 that the SDRAM does not intersect | |
125 | the I/O region. | |
126 | ||
127 | The base address must also be aligned such that the SDRAM controller | |
128 | can decode it. For instance, a 512MB SDRAM bank must be 512MB aligned. | |
129 | ||
130 | config UCPAGE_OFFSET_20000000 | |
131 | bool "0x20000000" | |
132 | ||
133 | config UCPAGE_OFFSET_40000000 | |
134 | bool "0x40000000" | |
135 | ||
136 | config UCPAGE_OFFSET_60000000 | |
137 | bool "0x60000000" | |
138 | ||
139 | config UCPAGE_OFFSET_80000000 | |
140 | bool "0x80000000" | |
141 | ||
142 | config UCPAGE_OFFSET_A0000000 | |
143 | bool "0xA0000000" | |
144 | ||
145 | config UCPAGE_OFFSET_C0000000 | |
146 | bool "0xC0000000 (Recommended)" | |
147 | ||
148 | endchoice | |
149 | ||
7038220a DH |
150 | config PAGE_OFFSET |
151 | hex | |
152 | default 0x20000000 if UCPAGE_OFFSET_20000000 | |
153 | default 0x40000000 if UCPAGE_OFFSET_40000000 | |
154 | default 0x60000000 if UCPAGE_OFFSET_60000000 | |
155 | default 0x80000000 if UCPAGE_OFFSET_80000000 | |
156 | default 0xA0000000 if UCPAGE_OFFSET_A0000000 | |
157 | default 0xC0000000 | |
158 | ||
1da177e4 LT |
159 | config PROTECT_KERNEL |
160 | bool "Protect core kernel against userspace" | |
161 | depends on !MMU | |
162 | default y | |
163 | help | |
164 | Selecting this option causes the uClinux kernel to change the | |
165 | permittivity of DAMPR register covering the core kernel image to | |
166 | prevent userspace accessing the underlying memory directly. | |
167 | ||
168 | choice | |
169 | prompt "CPU Caching mode" | |
170 | default FRV_DEFL_CACHE_WBACK | |
171 | help | |
172 | This option determines the default caching mode for the kernel. | |
173 | ||
174 | Write-Back caching mode involves the all reads and writes causing | |
175 | the affected cacheline to be read into the cache first before being | |
176 | operated upon. Memory is not then updated by a write until the cache | |
177 | is filled and a cacheline needs to be displaced from the cache to | |
178 | make room. Only at that point is it written back. | |
179 | ||
180 | Write-Behind caching is similar to Write-Back caching, except that a | |
181 | write won't fetch a cacheline into the cache if there isn't already | |
182 | one there; it will write directly to memory instead. | |
183 | ||
184 | Write-Through caching only fetches cachelines from memory on a | |
185 | read. Writes always get written directly to memory. If the affected | |
186 | cacheline is also in cache, it will be updated too. | |
187 | ||
188 | The final option is to turn of caching entirely. | |
189 | ||
190 | Note that not all CPUs support Write-Behind caching. If the CPU on | |
191 | which the kernel is running doesn't, it'll fall back to Write-Back | |
192 | caching. | |
193 | ||
194 | config FRV_DEFL_CACHE_WBACK | |
195 | bool "Write-Back" | |
196 | ||
197 | config FRV_DEFL_CACHE_WBEHIND | |
198 | bool "Write-Behind" | |
199 | ||
200 | config FRV_DEFL_CACHE_WTHRU | |
201 | bool "Write-Through" | |
202 | ||
203 | config FRV_DEFL_CACHE_DISABLED | |
204 | bool "Disabled" | |
205 | ||
206 | endchoice | |
207 | ||
208 | menu "CPU core support" | |
209 | ||
210 | config CPU_FR401 | |
211 | bool "Include FR401 core support" | |
212 | depends on !MMU | |
213 | default y | |
214 | help | |
215 | This enables support for the FR401, FR401A and FR403 CPUs | |
216 | ||
217 | config CPU_FR405 | |
218 | bool "Include FR405 core support" | |
219 | depends on !MMU | |
220 | default y | |
221 | help | |
222 | This enables support for the FR405 CPU | |
223 | ||
224 | config CPU_FR451 | |
225 | bool "Include FR451 core support" | |
226 | default y | |
227 | help | |
228 | This enables support for the FR451 CPU | |
229 | ||
230 | config CPU_FR451_COMPILE | |
231 | bool "Specifically compile for FR451 core" | |
232 | depends on CPU_FR451 && !CPU_FR401 && !CPU_FR405 && !CPU_FR551 | |
233 | default y | |
234 | help | |
235 | This causes appropriate flags to be passed to the compiler to | |
236 | optimise for the FR451 CPU | |
237 | ||
238 | config CPU_FR551 | |
239 | bool "Include FR551 core support" | |
240 | depends on !MMU | |
241 | default y | |
242 | help | |
243 | This enables support for the FR555 CPU | |
244 | ||
245 | config CPU_FR551_COMPILE | |
246 | bool "Specifically compile for FR551 core" | |
247 | depends on CPU_FR551 && !CPU_FR401 && !CPU_FR405 && !CPU_FR451 | |
248 | default y | |
249 | help | |
250 | This causes appropriate flags to be passed to the compiler to | |
251 | optimise for the FR555 CPU | |
252 | ||
253 | config FRV_L1_CACHE_SHIFT | |
254 | int | |
255 | default "5" if CPU_FR401 || CPU_FR405 || CPU_FR451 | |
256 | default "6" if CPU_FR551 | |
257 | ||
258 | endmenu | |
259 | ||
260 | choice | |
261 | prompt "System support" | |
262 | default MB93091_VDK | |
263 | ||
264 | config MB93091_VDK | |
265 | bool "MB93091 CPU board with or without motherboard" | |
266 | ||
267 | config MB93093_PDK | |
268 | bool "MB93093 PDK unit" | |
269 | ||
270 | endchoice | |
271 | ||
272 | if MB93091_VDK | |
273 | choice | |
274 | prompt "Motherboard support" | |
275 | default MB93090_MB00 | |
276 | ||
277 | config MB93090_MB00 | |
278 | bool "Use the MB93090-MB00 motherboard" | |
279 | help | |
280 | Select this option if the MB93091 CPU board is going to be used with | |
281 | a MB93090-MB00 VDK motherboard | |
282 | ||
283 | config MB93091_NO_MB | |
284 | bool "Use standalone" | |
285 | help | |
286 | Select this option if the MB93091 CPU board is going to be used | |
287 | without a motherboard | |
288 | ||
289 | endchoice | |
290 | endif | |
291 | ||
1bcbba30 DH |
292 | config FUJITSU_MB93493 |
293 | bool "MB93493 Multimedia chip" | |
294 | help | |
295 | Select this option if the MB93493 multimedia chip is going to be | |
296 | used. | |
297 | ||
1da177e4 LT |
298 | choice |
299 | prompt "GP-Relative data support" | |
300 | default GPREL_DATA_8 | |
301 | help | |
302 | This option controls what data, if any, should be placed in the GP | |
303 | relative data sections. Using this means that the compiler can | |
304 | generate accesses to the data using GR16-relative addressing which | |
305 | is faster than absolute instructions and saves space (2 instructions | |
306 | per access). | |
307 | ||
308 | However, the GPREL region is limited in size because the immediate | |
309 | value used in the load and store instructions is limited to a 12-bit | |
310 | signed number. | |
311 | ||
312 | So if the linker starts complaining that accesses to GPREL data are | |
313 | out of range, try changing this option from the default. | |
314 | ||
315 | Note that modules will always be compiled with this feature disabled | |
316 | as the module data will not be in range of the GP base address. | |
317 | ||
318 | config GPREL_DATA_8 | |
319 | bool "Put data objects of up to 8 bytes into GP-REL" | |
320 | ||
321 | config GPREL_DATA_4 | |
322 | bool "Put data objects of up to 4 bytes into GP-REL" | |
323 | ||
324 | config GPREL_DATA_NONE | |
325 | bool "Don't use GP-REL" | |
326 | ||
327 | endchoice | |
328 | ||
f8aec757 DH |
329 | config FRV_ONCPU_SERIAL |
330 | bool "Use on-CPU serial ports" | |
331 | select SERIAL_8250 | |
332 | default y | |
333 | ||
1da177e4 LT |
334 | config PCI |
335 | bool "Use PCI" | |
336 | depends on MB93090_MB00 | |
337 | default y | |
338 | help | |
339 | Some FR-V systems (such as the MB93090-MB00 VDK) have PCI | |
340 | onboard. If you have one of these boards and you wish to use the PCI | |
341 | facilities, say Y here. | |
342 | ||
1da177e4 LT |
343 | config RESERVE_DMA_COHERENT |
344 | bool "Reserve DMA coherent memory" | |
345 | depends on PCI && !MMU | |
346 | default y | |
347 | help | |
348 | Many PCI drivers require access to uncached memory for DMA device | |
349 | communications (such as is done with some Ethernet buffer rings). If | |
350 | a fully featured MMU is available, this can be done through page | |
351 | table settings, but if not, a region has to be set aside and marked | |
352 | with a special DAMPR register. | |
353 | ||
354 | Setting this option causes uClinux to set aside a portion of the | |
355 | available memory for use in this manner. The memory will then be | |
356 | unavailable for normal kernel use. | |
357 | ||
358 | source "drivers/pci/Kconfig" | |
359 | ||
7a758313 | 360 | source "drivers/pcmcia/Kconfig" |
1da177e4 LT |
361 | |
362 | #config MATH_EMULATION | |
363 | # bool "Math emulation support (EXPERIMENTAL)" | |
364 | # depends on EXPERIMENTAL | |
365 | # help | |
366 | # At some point in the future, this will cause floating-point math | |
367 | # instructions to be emulated by the kernel on machines that lack a | |
368 | # floating-point math coprocessor. Thrill-seekers and chronically | |
369 | # sleep-deprived psychotic hacker types can say Y now, everyone else | |
370 | # should probably wait a while. | |
371 | ||
372 | menu "Power management options" | |
f4cb5700 JB |
373 | |
374 | config ARCH_SUSPEND_POSSIBLE | |
375 | def_bool y | |
376 | depends on !SMP | |
377 | ||
1da177e4 LT |
378 | source kernel/power/Kconfig |
379 | endmenu | |
380 | ||
381 | endmenu | |
382 | ||
383 | ||
384 | menu "Executable formats" | |
385 | ||
386 | source "fs/Kconfig.binfmt" | |
387 | ||
388 | endmenu | |
389 | ||
d5950b43 SR |
390 | source "net/Kconfig" |
391 | ||
1da177e4 LT |
392 | source "drivers/Kconfig" |
393 | ||
394 | source "fs/Kconfig" | |
395 | ||
396 | source "arch/frv/Kconfig.debug" | |
397 | ||
398 | source "security/Kconfig" | |
399 | ||
400 | source "crypto/Kconfig" | |
401 | ||
402 | source "lib/Kconfig" |