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1 | # |
2 | # For a description of the syntax of this configuration file, | |
3 | # see Documentation/kbuild/kconfig-language.txt. | |
4 | # | |
5 | ||
6 | mainmenu "uClinux/Blackfin (w/o MMU) Kernel Configuration" | |
7 | ||
8 | config MMU | |
9 | bool | |
10 | default n | |
11 | ||
12 | config FPU | |
13 | bool | |
14 | default n | |
15 | ||
16 | config RWSEM_GENERIC_SPINLOCK | |
17 | bool | |
18 | default y | |
19 | ||
20 | config RWSEM_XCHGADD_ALGORITHM | |
21 | bool | |
22 | default n | |
23 | ||
24 | config BLACKFIN | |
25 | bool | |
26 | default y | |
27 | ||
e3defffe AL |
28 | config ZONE_DMA |
29 | bool | |
30 | default y | |
31 | ||
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32 | config BFIN |
33 | bool | |
34 | default y | |
35 | ||
36 | config SEMAPHORE_SLEEPERS | |
37 | bool | |
38 | default y | |
39 | ||
40 | config GENERIC_FIND_NEXT_BIT | |
41 | bool | |
42 | default y | |
43 | ||
44 | config GENERIC_HWEIGHT | |
45 | bool | |
46 | default y | |
47 | ||
48 | config GENERIC_HARDIRQS | |
49 | bool | |
50 | default y | |
51 | ||
52 | config GENERIC_IRQ_PROBE | |
53 | bool | |
54 | default y | |
55 | ||
56 | config GENERIC_TIME | |
57 | bool | |
58 | default n | |
59 | ||
b2d1583f | 60 | config GENERIC_GPIO |
1394f032 BW |
61 | bool |
62 | default y | |
63 | ||
64 | config FORCE_MAX_ZONEORDER | |
65 | int | |
66 | default "14" | |
67 | ||
68 | config GENERIC_CALIBRATE_DELAY | |
69 | bool | |
70 | default y | |
71 | ||
72 | config IRQCHIP_DEMUX_GPIO | |
73 | bool | |
34e0fc89 | 74 | depends on (BF53x || BF561 || BF54x) |
1394f032 BW |
75 | default y |
76 | ||
77 | source "init/Kconfig" | |
78 | source "kernel/Kconfig.preempt" | |
79 | ||
80 | menu "Blackfin Processor Options" | |
81 | ||
82 | comment "Processor and Board Settings" | |
83 | ||
84 | choice | |
85 | prompt "CPU" | |
86 | default BF533 | |
87 | ||
88 | config BF531 | |
89 | bool "BF531" | |
90 | help | |
91 | BF531 Processor Support. | |
92 | ||
93 | config BF532 | |
94 | bool "BF532" | |
95 | help | |
96 | BF532 Processor Support. | |
97 | ||
98 | config BF533 | |
99 | bool "BF533" | |
100 | help | |
101 | BF533 Processor Support. | |
102 | ||
103 | config BF534 | |
104 | bool "BF534" | |
105 | help | |
106 | BF534 Processor Support. | |
107 | ||
108 | config BF536 | |
109 | bool "BF536" | |
110 | help | |
111 | BF536 Processor Support. | |
112 | ||
113 | config BF537 | |
114 | bool "BF537" | |
115 | help | |
116 | BF537 Processor Support. | |
117 | ||
24a07a12 RH |
118 | config BF542 |
119 | bool "BF542" | |
120 | help | |
121 | BF542 Processor Support. | |
122 | ||
123 | config BF544 | |
124 | bool "BF544" | |
125 | help | |
126 | BF544 Processor Support. | |
127 | ||
128 | config BF548 | |
129 | bool "BF548" | |
130 | help | |
131 | BF548 Processor Support. | |
132 | ||
133 | config BF549 | |
134 | bool "BF549" | |
135 | help | |
136 | BF549 Processor Support. | |
137 | ||
1394f032 BW |
138 | config BF561 |
139 | bool "BF561" | |
140 | help | |
141 | Not Supported Yet - Work in progress - BF561 Processor Support. | |
142 | ||
143 | endchoice | |
144 | ||
145 | choice | |
146 | prompt "Silicon Rev" | |
147 | default BF_REV_0_2 if BF537 | |
148 | default BF_REV_0_3 if BF533 | |
24a07a12 RH |
149 | default BF_REV_0_0 if BF549 |
150 | ||
151 | config BF_REV_0_0 | |
152 | bool "0.0" | |
153 | depends on (BF549) | |
1394f032 BW |
154 | |
155 | config BF_REV_0_2 | |
156 | bool "0.2" | |
157 | depends on (BF537 || BF536 || BF534) | |
158 | ||
159 | config BF_REV_0_3 | |
160 | bool "0.3" | |
161 | depends on (BF561 || BF537 || BF536 || BF534 || BF533 || BF532 || BF531) | |
162 | ||
163 | config BF_REV_0_4 | |
164 | bool "0.4" | |
165 | depends on (BF561 || BF533 || BF532 || BF531) | |
166 | ||
167 | config BF_REV_0_5 | |
168 | bool "0.5" | |
169 | depends on (BF561 || BF533 || BF532 || BF531) | |
170 | ||
de3025f4 JZ |
171 | config BF_REV_ANY |
172 | bool "any" | |
173 | ||
174 | config BF_REV_NONE | |
175 | bool "none" | |
176 | ||
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177 | endchoice |
178 | ||
24a07a12 RH |
179 | config BF53x |
180 | bool | |
181 | depends on (BF531 || BF532 || BF533 || BF534 || BF536 || BF537) | |
182 | default y | |
183 | ||
184 | config BF54x | |
185 | bool | |
186 | depends on (BF542 || BF544 || BF548 || BF549) | |
187 | default y | |
188 | ||
1394f032 BW |
189 | config BFIN_DUAL_CORE |
190 | bool | |
191 | depends on (BF561) | |
192 | default y | |
193 | ||
194 | config BFIN_SINGLE_CORE | |
195 | bool | |
196 | depends on !BFIN_DUAL_CORE | |
197 | default y | |
198 | ||
199 | choice | |
200 | prompt "System type" | |
201 | default BFIN533_STAMP | |
202 | help | |
203 | Do NOT change the board here. Please use the top level | |
204 | configuration to ensure that all the other settings are | |
205 | correct. | |
206 | ||
207 | config BFIN533_EZKIT | |
208 | bool "BF533-EZKIT" | |
209 | depends on (BF533 || BF532 || BF531) | |
210 | help | |
211 | BF533-EZKIT-LITE board Support. | |
212 | ||
213 | config BFIN533_STAMP | |
214 | bool "BF533-STAMP" | |
215 | depends on (BF533 || BF532 || BF531) | |
216 | help | |
217 | BF533-STAMP board Support. | |
218 | ||
219 | config BFIN537_STAMP | |
220 | bool "BF537-STAMP" | |
221 | depends on (BF537 || BF536 || BF534) | |
222 | help | |
223 | BF537-STAMP board Support. | |
224 | ||
225 | config BFIN533_BLUETECHNIX_CM | |
226 | bool "Bluetechnix CM-BF533" | |
227 | depends on (BF533) | |
228 | help | |
229 | CM-BF533 support for EVAL- and DEV-Board. | |
230 | ||
231 | config BFIN537_BLUETECHNIX_CM | |
232 | bool "Bluetechnix CM-BF537" | |
233 | depends on (BF537) | |
234 | help | |
235 | CM-BF537 support for EVAL- and DEV-Board. | |
236 | ||
24a07a12 RH |
237 | config BFIN548_EZKIT |
238 | bool "BF548-EZKIT" | |
239 | depends on (BF548 || BF549) | |
240 | help | |
241 | BFIN548-EZKIT board Support. | |
242 | ||
1394f032 | 243 | config BFIN561_BLUETECHNIX_CM |
0a290593 | 244 | bool "Bluetechnix CM-BF561" |
1394f032 BW |
245 | depends on (BF561) |
246 | help | |
247 | CM-BF561 support for EVAL- and DEV-Board. | |
248 | ||
249 | config BFIN561_EZKIT | |
250 | bool "BF561-EZKIT" | |
251 | depends on (BF561) | |
252 | help | |
253 | BF561-EZKIT-LITE board Support. | |
254 | ||
0a290593 MF |
255 | config BFIN561_TEPLA |
256 | bool "BF561-TEPLA" | |
257 | depends on (BF561) | |
258 | help | |
259 | BF561-TEPLA board Support. | |
260 | ||
1394f032 BW |
261 | config PNAV10 |
262 | bool "PNAV 1.0 board" | |
263 | depends on (BF537) | |
264 | help | |
265 | PNAV 1.0 board Support. | |
266 | ||
267 | config GENERIC_BOARD | |
268 | bool "Custom" | |
269 | depends on (BF537 || BF536 \ | |
270 | || BF534 || BF561 || BF535 || BF533 || BF532 || BF531) | |
271 | help | |
272 | GENERIC or Custom board Support. | |
273 | ||
274 | endchoice | |
275 | ||
276 | config MEM_GENERIC_BOARD | |
277 | bool | |
278 | depends on GENERIC_BOARD | |
279 | default y | |
280 | ||
281 | config MEM_MT48LC64M4A2FB_7E | |
282 | bool | |
283 | depends on (BFIN533_STAMP) | |
284 | default y | |
285 | ||
286 | config MEM_MT48LC16M16A2TG_75 | |
287 | bool | |
288 | depends on (BFIN533_EZKIT || BFIN561_EZKIT \ | |
289 | || BFIN533_BLUETECHNIX_CM || BFIN537_BLUETECHNIX_CM) | |
290 | default y | |
291 | ||
292 | config MEM_MT48LC32M8A2_75 | |
293 | bool | |
294 | depends on (BFIN537_STAMP || PNAV10) | |
295 | default y | |
296 | ||
297 | config MEM_MT48LC8M32B2B5_7 | |
298 | bool | |
299 | depends on (BFIN561_BLUETECHNIX_CM) | |
300 | default y | |
301 | ||
302 | config BFIN_SHARED_FLASH_ENET | |
303 | bool | |
304 | depends on (BFIN533_STAMP) | |
305 | default y | |
306 | ||
307 | source "arch/blackfin/mach-bf533/Kconfig" | |
308 | source "arch/blackfin/mach-bf561/Kconfig" | |
309 | source "arch/blackfin/mach-bf537/Kconfig" | |
24a07a12 | 310 | source "arch/blackfin/mach-bf548/Kconfig" |
1394f032 BW |
311 | |
312 | menu "Board customizations" | |
313 | ||
314 | config CMDLINE_BOOL | |
315 | bool "Default bootloader kernel arguments" | |
316 | ||
317 | config CMDLINE | |
318 | string "Initial kernel command string" | |
319 | depends on CMDLINE_BOOL | |
320 | default "console=ttyBF0,57600" | |
321 | help | |
322 | If you don't have a boot loader capable of passing a command line string | |
323 | to the kernel, you may specify one here. As a minimum, you should specify | |
324 | the memory size and the root device (e.g., mem=8M, root=/dev/nfs). | |
325 | ||
326 | comment "Board Setup" | |
327 | ||
328 | config CLKIN_HZ | |
329 | int "Crystal Frequency in Hz" | |
330 | default "11059200" if BFIN533_STAMP | |
331 | default "27000000" if BFIN533_EZKIT | |
332 | default "25000000" if BFIN537_STAMP | |
333 | default "30000000" if BFIN561_EZKIT | |
334 | default "24576000" if PNAV10 | |
335 | help | |
336 | The frequency of CLKIN crystal oscillator on the board in Hz. | |
337 | ||
338 | config MEM_SIZE | |
339 | int "SDRAM Memory Size in MBytes" | |
340 | default 32 if BFIN533_EZKIT | |
341 | default 64 if BFIN537_STAMP | |
342 | default 64 if BFIN561_EZKIT | |
343 | default 128 if BFIN533_STAMP | |
344 | default 64 if PNAV10 | |
345 | ||
346 | config MEM_ADD_WIDTH | |
347 | int "SDRAM Memory Address Width" | |
348 | default 9 if BFIN533_EZKIT | |
349 | default 9 if BFIN561_EZKIT | |
350 | default 10 if BFIN537_STAMP | |
351 | default 11 if BFIN533_STAMP | |
352 | default 10 if PNAV10 | |
353 | ||
354 | config ENET_FLASH_PIN | |
355 | int "PF port/pin used for flash and ethernet sharing" | |
356 | depends on (BFIN533_STAMP) | |
357 | default 0 | |
358 | help | |
359 | PF port/pin used for flash and ethernet sharing to allow other PF | |
360 | pins to be used on other platforms without having to touch common | |
361 | code. | |
362 | For example: PF0 --> 0,PF1 --> 1,PF2 --> 2, etc. | |
363 | ||
364 | config BOOT_LOAD | |
365 | hex "Kernel load address for booting" | |
366 | default "0x1000" | |
367 | help | |
368 | This option allows you to set the load address of the kernel. | |
369 | This can be useful if you are on a board which has a small amount | |
370 | of memory or you wish to reserve some memory at the beginning of | |
371 | the address space. | |
372 | ||
373 | Note that you generally want to keep this value at or above 4k | |
374 | (0x1000) as this will allow the kernel to capture NULL pointer | |
375 | references. | |
376 | ||
377 | comment "LED Status Indicators" | |
378 | depends on (BFIN533_STAMP || BFIN533_BLUETECHNIX_CM) | |
379 | ||
380 | config BFIN_ALIVE_LED | |
381 | bool "Enable Board Alive" | |
382 | depends on (BFIN533_STAMP || BFIN533_BLUETECHNIX_CM) | |
383 | default n | |
384 | help | |
385 | Blink the LEDs you select when the kernel is running. Helps detect | |
386 | a hung kernel. | |
387 | ||
388 | config BFIN_ALIVE_LED_NUM | |
389 | int "LED" | |
390 | depends on BFIN_ALIVE_LED | |
391 | range 1 3 if BFIN533_STAMP | |
392 | default "3" if BFIN533_STAMP | |
393 | help | |
394 | Select the LED (marked on the board) for you to blink. | |
395 | ||
396 | config BFIN_IDLE_LED | |
397 | bool "Enable System Load/Idle LED" | |
398 | depends on (BFIN533_STAMP || BFIN533_BLUETECHNIX_CM) | |
399 | default n | |
400 | help | |
401 | Blinks the LED you select when to determine kernel load. | |
402 | ||
403 | config BFIN_IDLE_LED_NUM | |
404 | int "LED" | |
405 | depends on BFIN_IDLE_LED | |
406 | range 1 3 if BFIN533_STAMP | |
407 | default "2" if BFIN533_STAMP | |
408 | help | |
409 | Select the LED (marked on the board) for you to blink. | |
410 | ||
411 | # | |
412 | # Sorry - but you need to put the hex address here - | |
413 | # | |
414 | ||
415 | # Flag Data register | |
416 | config BFIN_ALIVE_LED_PORT | |
417 | hex | |
418 | default 0xFFC00700 if (BFIN533_STAMP) | |
419 | ||
420 | # Peripheral Flag Direction Register | |
421 | config BFIN_ALIVE_LED_DPORT | |
422 | hex | |
423 | default 0xFFC00730 if (BFIN533_STAMP) | |
424 | ||
425 | config BFIN_ALIVE_LED_PIN | |
426 | hex | |
427 | default 0x04 if (BFIN533_STAMP && BFIN_ALIVE_LED_NUM = 1) | |
428 | default 0x08 if (BFIN533_STAMP && BFIN_ALIVE_LED_NUM = 2) | |
429 | default 0x10 if (BFIN533_STAMP && BFIN_ALIVE_LED_NUM = 3) | |
430 | ||
431 | config BFIN_IDLE_LED_PORT | |
432 | hex | |
433 | default 0xFFC00700 if (BFIN533_STAMP) | |
434 | ||
435 | # Peripheral Flag Direction Register | |
436 | config BFIN_IDLE_LED_DPORT | |
437 | hex | |
438 | default 0xFFC00730 if (BFIN533_STAMP) | |
439 | ||
440 | config BFIN_IDLE_LED_PIN | |
441 | hex | |
442 | default 0x04 if (BFIN533_STAMP && BFIN_IDLE_LED_NUM = 1) | |
443 | default 0x08 if (BFIN533_STAMP && BFIN_IDLE_LED_NUM = 2) | |
444 | default 0x10 if (BFIN533_STAMP && BFIN_IDLE_LED_NUM = 3) | |
445 | ||
1394f032 BW |
446 | endmenu |
447 | ||
448 | ||
449 | menu "Blackfin Kernel Optimizations" | |
450 | ||
451 | comment "Timer Tick" | |
452 | ||
453 | source kernel/Kconfig.hz | |
454 | ||
455 | comment "Memory Optimizations" | |
456 | ||
457 | config I_ENTRY_L1 | |
458 | bool "Locate interrupt entry code in L1 Memory" | |
459 | default y | |
460 | help | |
461 | If enabled interrupt entry code (STORE/RESTORE CONTEXT) is linked | |
462 | into L1 instruction memory.(less latency) | |
463 | ||
464 | config EXCPT_IRQ_SYSC_L1 | |
465 | bool "Locate entire ASM lowlevel excepetion / interrupt - Syscall and CPLB handler code in L1 Memory" | |
466 | default y | |
467 | help | |
468 | If enabled entire ASM lowlevel exception and interrupt entry code (STORE/RESTORE CONTEXT) is linked | |
469 | into L1 instruction memory.(less latency) | |
470 | ||
471 | config DO_IRQ_L1 | |
472 | bool "Locate frequently called do_irq dispatcher function in L1 Memory" | |
473 | default y | |
474 | help | |
475 | If enabled frequently called do_irq dispatcher function is linked | |
476 | into L1 instruction memory.(less latency) | |
477 | ||
478 | config CORE_TIMER_IRQ_L1 | |
479 | bool "Locate frequently called timer_interrupt() function in L1 Memory" | |
480 | default y | |
481 | help | |
482 | If enabled frequently called timer_interrupt() function is linked | |
483 | into L1 instruction memory.(less latency) | |
484 | ||
485 | config IDLE_L1 | |
486 | bool "Locate frequently idle function in L1 Memory" | |
487 | default y | |
488 | help | |
489 | If enabled frequently called idle function is linked | |
490 | into L1 instruction memory.(less latency) | |
491 | ||
492 | config SCHEDULE_L1 | |
493 | bool "Locate kernel schedule function in L1 Memory" | |
494 | default y | |
495 | help | |
496 | If enabled frequently called kernel schedule is linked | |
497 | into L1 instruction memory.(less latency) | |
498 | ||
499 | config ARITHMETIC_OPS_L1 | |
500 | bool "Locate kernel owned arithmetic functions in L1 Memory" | |
501 | default y | |
502 | help | |
503 | If enabled arithmetic functions are linked | |
504 | into L1 instruction memory.(less latency) | |
505 | ||
506 | config ACCESS_OK_L1 | |
507 | bool "Locate access_ok function in L1 Memory" | |
508 | default y | |
509 | help | |
510 | If enabled access_ok function is linked | |
511 | into L1 instruction memory.(less latency) | |
512 | ||
513 | config MEMSET_L1 | |
514 | bool "Locate memset function in L1 Memory" | |
515 | default y | |
516 | help | |
517 | If enabled memset function is linked | |
518 | into L1 instruction memory.(less latency) | |
519 | ||
520 | config MEMCPY_L1 | |
521 | bool "Locate memcpy function in L1 Memory" | |
522 | default y | |
523 | help | |
524 | If enabled memcpy function is linked | |
525 | into L1 instruction memory.(less latency) | |
526 | ||
527 | config SYS_BFIN_SPINLOCK_L1 | |
528 | bool "Locate sys_bfin_spinlock function in L1 Memory" | |
529 | default y | |
530 | help | |
531 | If enabled sys_bfin_spinlock function is linked | |
532 | into L1 instruction memory.(less latency) | |
533 | ||
534 | config IP_CHECKSUM_L1 | |
535 | bool "Locate IP Checksum function in L1 Memory" | |
536 | default n | |
537 | help | |
538 | If enabled IP Checksum function is linked | |
539 | into L1 instruction memory.(less latency) | |
540 | ||
541 | config CACHELINE_ALIGNED_L1 | |
542 | bool "Locate cacheline_aligned data to L1 Data Memory" | |
157cc5aa MH |
543 | default y if !BF54x |
544 | default n if BF54x | |
1394f032 BW |
545 | depends on !BF531 |
546 | help | |
547 | If enabled cacheline_anligned data is linked | |
548 | into L1 data memory.(less latency) | |
549 | ||
550 | config SYSCALL_TAB_L1 | |
551 | bool "Locate Syscall Table L1 Data Memory" | |
552 | default n | |
553 | depends on !BF531 | |
554 | help | |
555 | If enabled the Syscall LUT is linked | |
556 | into L1 data memory.(less latency) | |
557 | ||
558 | config CPLB_SWITCH_TAB_L1 | |
559 | bool "Locate CPLB Switch Tables L1 Data Memory" | |
560 | default n | |
561 | depends on !BF531 | |
562 | help | |
563 | If enabled the CPLB Switch Tables are linked | |
564 | into L1 data memory.(less latency) | |
565 | ||
566 | endmenu | |
567 | ||
568 | ||
569 | choice | |
570 | prompt "Kernel executes from" | |
571 | help | |
572 | Choose the memory type that the kernel will be running in. | |
573 | ||
574 | config RAMKERNEL | |
575 | bool "RAM" | |
576 | help | |
577 | The kernel will be resident in RAM when running. | |
578 | ||
579 | config ROMKERNEL | |
580 | bool "ROM" | |
581 | help | |
582 | The kernel will be resident in FLASH/ROM when running. | |
583 | ||
584 | endchoice | |
585 | ||
586 | source "mm/Kconfig" | |
587 | ||
db0fa206 BW |
588 | config LARGE_ALLOCS |
589 | bool "Allow allocating large blocks (> 1MB) of memory" | |
590 | help | |
591 | Allow the slab memory allocator to keep chains for very large | |
592 | memory sizes - upto 32MB. You may need this if your system has | |
593 | a lot of RAM, and you need to able to allocate very large | |
594 | contiguous chunks. If unsure, say N. | |
595 | ||
1394f032 BW |
596 | config BFIN_DMA_5XX |
597 | bool "Enable DMA Support" | |
24a07a12 | 598 | depends on (BF533 || BF532 || BF531 || BF537 || BF536 || BF534 || BF561 || BF54x) |
1394f032 BW |
599 | default y |
600 | help | |
601 | DMA driver for BF5xx. | |
602 | ||
603 | choice | |
604 | prompt "Uncached SDRAM region" | |
605 | default DMA_UNCACHED_1M | |
606 | depends BFIN_DMA_5XX | |
607 | config DMA_UNCACHED_2M | |
608 | bool "Enable 2M DMA region" | |
609 | config DMA_UNCACHED_1M | |
610 | bool "Enable 1M DMA region" | |
611 | config DMA_UNCACHED_NONE | |
612 | bool "Disable DMA region" | |
613 | endchoice | |
614 | ||
615 | ||
616 | comment "Cache Support" | |
617 | config BLKFIN_CACHE | |
618 | bool "Enable ICACHE" | |
619 | config BLKFIN_DCACHE | |
620 | bool "Enable DCACHE" | |
621 | config BLKFIN_DCACHE_BANKA | |
622 | bool "Enable only 16k BankA DCACHE - BankB is SRAM" | |
623 | depends on BLKFIN_DCACHE && !BF531 | |
624 | default n | |
625 | config BLKFIN_CACHE_LOCK | |
626 | bool "Enable Cache Locking" | |
627 | ||
628 | choice | |
629 | prompt "Policy" | |
630 | depends on BLKFIN_DCACHE | |
631 | default BLKFIN_WB | |
632 | config BLKFIN_WB | |
633 | bool "Write back" | |
634 | help | |
635 | Write Back Policy: | |
636 | Cached data will be written back to SDRAM only when needed. | |
637 | This can give a nice increase in performance, but beware of | |
638 | broken drivers that do not properly invalidate/flush their | |
639 | cache. | |
640 | ||
641 | Write Through Policy: | |
642 | Cached data will always be written back to SDRAM when the | |
643 | cache is updated. This is a completely safe setting, but | |
644 | performance is worse than Write Back. | |
645 | ||
646 | If you are unsure of the options and you want to be safe, | |
647 | then go with Write Through. | |
648 | ||
649 | config BLKFIN_WT | |
650 | bool "Write through" | |
651 | help | |
652 | Write Back Policy: | |
653 | Cached data will be written back to SDRAM only when needed. | |
654 | This can give a nice increase in performance, but beware of | |
655 | broken drivers that do not properly invalidate/flush their | |
656 | cache. | |
657 | ||
658 | Write Through Policy: | |
659 | Cached data will always be written back to SDRAM when the | |
660 | cache is updated. This is a completely safe setting, but | |
661 | performance is worse than Write Back. | |
662 | ||
663 | If you are unsure of the options and you want to be safe, | |
664 | then go with Write Through. | |
665 | ||
666 | endchoice | |
667 | ||
668 | config L1_MAX_PIECE | |
669 | int "Set the max L1 SRAM pieces" | |
670 | default 16 | |
671 | help | |
672 | Set the max memory pieces for the L1 SRAM allocation algorithm. | |
673 | Min value is 16. Max value is 1024. | |
674 | ||
675 | menu "Clock Settings" | |
676 | ||
677 | ||
678 | config BFIN_KERNEL_CLOCK | |
679 | bool "Re-program Clocks while Kernel boots?" | |
680 | default n | |
681 | help | |
682 | This option decides if kernel clocks are re-programed from the | |
683 | bootloader settings. If the clocks are not set, the SDRAM settings | |
684 | are also not changed, and the Bootloader does 100% of the hardware | |
685 | configuration. | |
686 | ||
687 | config VCO_MULT | |
688 | int "VCO Multiplier" | |
689 | depends on BFIN_KERNEL_CLOCK | |
690 | default "22" if BFIN533_EZKIT | |
691 | default "45" if BFIN533_STAMP | |
692 | default "20" if BFIN537_STAMP | |
693 | default "22" if BFIN533_BLUETECHNIX_CM | |
694 | default "20" if BFIN537_BLUETECHNIX_CM | |
695 | default "20" if BFIN561_BLUETECHNIX_CM | |
696 | default "20" if BFIN561_EZKIT | |
697 | ||
698 | config CCLK_DIV | |
699 | int "Core Clock Divider" | |
700 | depends on BFIN_KERNEL_CLOCK | |
701 | default 1 if BFIN533_EZKIT | |
702 | default 1 if BFIN533_STAMP | |
703 | default 1 if BFIN537_STAMP | |
704 | default 1 if BFIN533_BLUETECHNIX_CM | |
705 | default 1 if BFIN537_BLUETECHNIX_CM | |
706 | default 1 if BFIN561_BLUETECHNIX_CM | |
707 | default 1 if BFIN561_EZKIT | |
708 | ||
709 | config SCLK_DIV | |
710 | int "System Clock Divider" | |
711 | depends on BFIN_KERNEL_CLOCK | |
712 | default 5 if BFIN533_EZKIT | |
713 | default 5 if BFIN533_STAMP | |
714 | default 4 if BFIN537_STAMP | |
715 | default 5 if BFIN533_BLUETECHNIX_CM | |
716 | default 4 if BFIN537_BLUETECHNIX_CM | |
717 | default 4 if BFIN561_BLUETECHNIX_CM | |
718 | default 5 if BFIN561_EZKIT | |
719 | ||
720 | config CLKIN_HALF | |
721 | bool "Half ClockIn" | |
722 | depends on BFIN_KERNEL_CLOCK | |
723 | default n | |
724 | ||
725 | config PLL_BYPASS | |
726 | bool "Bypass PLL" | |
727 | depends on BFIN_KERNEL_CLOCK | |
728 | default n | |
729 | ||
730 | endmenu | |
731 | ||
732 | comment "Asynchonous Memory Configuration" | |
733 | ||
734 | menu "EBIU_AMBCTL Global Control" | |
735 | config C_AMCKEN | |
736 | bool "Enable CLKOUT" | |
737 | default y | |
738 | ||
739 | config C_CDPRIO | |
740 | bool "DMA has priority over core for ext. accesses" | |
9be343c5 | 741 | depends on !BF54x |
1394f032 BW |
742 | default n |
743 | ||
744 | config C_B0PEN | |
745 | depends on BF561 | |
746 | bool "Bank 0 16 bit packing enable" | |
747 | default y | |
748 | ||
749 | config C_B1PEN | |
750 | depends on BF561 | |
751 | bool "Bank 1 16 bit packing enable" | |
752 | default y | |
753 | ||
754 | config C_B2PEN | |
755 | depends on BF561 | |
756 | bool "Bank 2 16 bit packing enable" | |
757 | default y | |
758 | ||
759 | config C_B3PEN | |
760 | depends on BF561 | |
761 | bool "Bank 3 16 bit packing enable" | |
762 | default n | |
763 | ||
764 | choice | |
765 | prompt"Enable Asynchonous Memory Banks" | |
766 | default C_AMBEN_ALL | |
767 | ||
768 | config C_AMBEN | |
769 | bool "Disable All Banks" | |
770 | ||
771 | config C_AMBEN_B0 | |
772 | bool "Enable Bank 0" | |
773 | ||
774 | config C_AMBEN_B0_B1 | |
775 | bool "Enable Bank 0 & 1" | |
776 | ||
777 | config C_AMBEN_B0_B1_B2 | |
778 | bool "Enable Bank 0 & 1 & 2" | |
779 | ||
780 | config C_AMBEN_ALL | |
781 | bool "Enable All Banks" | |
782 | endchoice | |
783 | endmenu | |
784 | ||
785 | menu "EBIU_AMBCTL Control" | |
786 | config BANK_0 | |
787 | hex "Bank 0" | |
788 | default 0x7BB0 | |
789 | ||
790 | config BANK_1 | |
791 | hex "Bank 1" | |
792 | default 0x7BB0 | |
793 | ||
794 | config BANK_2 | |
795 | hex "Bank 2" | |
796 | default 0x7BB0 | |
797 | ||
798 | config BANK_3 | |
799 | hex "Bank 3" | |
800 | default 0x99B3 | |
801 | endmenu | |
802 | ||
803 | endmenu | |
804 | ||
805 | ############################################################################# | |
806 | menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)" | |
807 | ||
808 | config PCI | |
809 | bool "PCI support" | |
810 | help | |
811 | Support for PCI bus. | |
812 | ||
813 | source "drivers/pci/Kconfig" | |
814 | ||
815 | config HOTPLUG | |
816 | bool "Support for hot-pluggable device" | |
817 | help | |
818 | Say Y here if you want to plug devices into your computer while | |
819 | the system is running, and be able to use them quickly. In many | |
820 | cases, the devices can likewise be unplugged at any time too. | |
821 | ||
822 | One well known example of this is PCMCIA- or PC-cards, credit-card | |
823 | size devices such as network cards, modems or hard drives which are | |
824 | plugged into slots found on all modern laptop computers. Another | |
825 | example, used on modern desktops as well as laptops, is USB. | |
826 | ||
827 | Enable HOTPLUG and KMOD, and build a modular kernel. Get agent | |
828 | software (at <http://linux-hotplug.sourceforge.net/>) and install it. | |
829 | Then your kernel will automatically call out to a user mode "policy | |
830 | agent" (/sbin/hotplug) to load modules and set up software needed | |
831 | to use devices as you hotplug them. | |
832 | ||
833 | source "drivers/pcmcia/Kconfig" | |
834 | ||
835 | source "drivers/pci/hotplug/Kconfig" | |
836 | ||
837 | endmenu | |
838 | ||
839 | menu "Executable file formats" | |
840 | ||
841 | source "fs/Kconfig.binfmt" | |
842 | ||
843 | endmenu | |
844 | ||
845 | menu "Power management options" | |
846 | source "kernel/power/Kconfig" | |
847 | ||
848 | choice | |
849 | prompt "Select PM Wakeup Event Source" | |
850 | default PM_WAKEUP_GPIO_BY_SIC_IWR | |
851 | depends on PM | |
852 | help | |
853 | If you have a GPIO already configured as input with the corresponding PORTx_MASK | |
854 | bit set - "Specify Wakeup Event by SIC_IWR value" | |
855 | ||
856 | config PM_WAKEUP_GPIO_BY_SIC_IWR | |
857 | bool "Specify Wakeup Event by SIC_IWR value" | |
858 | config PM_WAKEUP_BY_GPIO | |
859 | bool "Cause Wakeup Event by GPIO" | |
860 | config PM_WAKEUP_GPIO_API | |
861 | bool "Configure Wakeup Event by PM GPIO API" | |
862 | ||
863 | endchoice | |
864 | ||
865 | config PM_WAKEUP_SIC_IWR | |
866 | hex "Wakeup Events (SIC_IWR)" | |
867 | depends on PM_WAKEUP_GPIO_BY_SIC_IWR | |
868 | default 0x80000000 if (BF537 || BF536 || BF534) | |
869 | default 0x100000 if (BF533 || BF532 || BF531) | |
870 | ||
871 | config PM_WAKEUP_GPIO_NUMBER | |
872 | int "Wakeup GPIO number" | |
873 | range 0 47 | |
874 | depends on PM_WAKEUP_BY_GPIO | |
875 | default 2 if BFIN537_STAMP | |
876 | ||
877 | choice | |
878 | prompt "GPIO Polarity" | |
879 | depends on PM_WAKEUP_BY_GPIO | |
880 | default PM_WAKEUP_GPIO_POLAR_H | |
881 | config PM_WAKEUP_GPIO_POLAR_H | |
882 | bool "Active High" | |
883 | config PM_WAKEUP_GPIO_POLAR_L | |
884 | bool "Active Low" | |
885 | config PM_WAKEUP_GPIO_POLAR_EDGE_F | |
886 | bool "Falling EDGE" | |
887 | config PM_WAKEUP_GPIO_POLAR_EDGE_R | |
888 | bool "Rising EDGE" | |
889 | config PM_WAKEUP_GPIO_POLAR_EDGE_B | |
890 | bool "Both EDGE" | |
891 | endchoice | |
892 | ||
893 | endmenu | |
894 | ||
24a07a12 | 895 | if (BF537 || BF533 || BF54x) |
1394f032 BW |
896 | |
897 | menu "CPU Frequency scaling" | |
898 | ||
899 | source "drivers/cpufreq/Kconfig" | |
900 | ||
901 | config CPU_FREQ | |
902 | bool | |
903 | default n | |
904 | help | |
905 | If you want to enable this option, you should select the | |
906 | DPMC driver from Character Devices. | |
907 | endmenu | |
908 | ||
909 | endif | |
910 | ||
911 | source "net/Kconfig" | |
912 | ||
913 | source "drivers/Kconfig" | |
914 | ||
915 | source "fs/Kconfig" | |
916 | ||
917 | source "arch/blackfin/oprofile/Kconfig" | |
918 | ||
919 | menu "Kernel hacking" | |
920 | ||
921 | source "lib/Kconfig.debug" | |
922 | ||
923 | config DEBUG_HWERR | |
924 | bool "Hardware error interrupt debugging" | |
925 | depends on DEBUG_KERNEL | |
926 | help | |
927 | When enabled, the hardware error interrupt is never disabled, and | |
928 | will happen immediately when an error condition occurs. This comes | |
929 | at a slight cost in code size, but is necessary if you are getting | |
930 | hardware error interrupts and need to know where they are coming | |
931 | from. | |
932 | ||
933 | config DEBUG_ICACHE_CHECK | |
934 | bool "Check Instruction cache coherancy" | |
935 | depends on DEBUG_KERNEL | |
936 | depends on DEBUG_HWERR | |
937 | help | |
938 | Say Y here if you are getting wierd unexplained errors. This will | |
939 | ensure that icache is what SDRAM says it should be, by doing a | |
940 | byte wise comparision between SDRAM and instruction cache. This | |
941 | also relocates the irq_panic() function to L1 memory, (which is | |
942 | un-cached). | |
943 | ||
944 | config DEBUG_KERNEL_START | |
945 | bool "Debug Kernel Startup" | |
946 | depends on DEBUG_KERNEL | |
947 | help | |
948 | Say Y here to put in an mini-execption handler before the kernel | |
949 | replaces the bootloader exception handler. This will stop kernels | |
950 | from dieing at startup with no visible error messages. | |
951 | ||
952 | config DEBUG_SERIAL_EARLY_INIT | |
953 | bool "Initialize serial driver early" | |
954 | default n | |
955 | depends on SERIAL_BFIN | |
956 | help | |
957 | Say Y here if you want to get kernel output early when kernel | |
958 | crashes before the normal console initialization. If this option | |
959 | is enable, console output will always go to the ttyBF0, no matter | |
960 | what kernel boot paramters you set. | |
961 | ||
962 | config DEBUG_HUNT_FOR_ZERO | |
963 | bool "Catch NULL pointer reads/writes" | |
964 | default y | |
965 | help | |
966 | Say Y here to catch reads/writes to anywhere in the memory range | |
967 | from 0x0000 - 0x0FFF (the first 4k) of memory. This is useful in | |
968 | catching common programming errors such as NULL pointer dereferences. | |
969 | ||
970 | Misbehaving applications will be killed (generate a SEGV) while the | |
971 | kernel will trigger a panic. | |
972 | ||
973 | Enabling this option will take up an extra entry in CPLB table. | |
974 | Otherwise, there is no extra overhead. | |
975 | ||
976 | config DEBUG_BFIN_NO_KERN_HWTRACE | |
977 | bool "Trace user apps (turn off hwtrace in kernel)" | |
978 | default n | |
979 | help | |
980 | Some pieces of the kernel contain a lot of flow changes which can | |
981 | quickly fill up the hardware trace buffer. When debugging crashes, | |
982 | the hardware trace may indicate that the problem lies in kernel | |
983 | space when in reality an application is buggy. | |
984 | ||
985 | Say Y here to disable hardware tracing in some known "jumpy" pieces | |
986 | of code so that the trace buffer will extend further back. | |
987 | ||
988 | config DUAL_CORE_TEST_MODULE | |
989 | tristate "Dual Core Test Module" | |
990 | depends on (BF561) | |
991 | default n | |
992 | help | |
993 | Say Y here to build-in dual core test module for dual core test. | |
994 | ||
995 | config CPLB_INFO | |
996 | bool "Display the CPLB information" | |
997 | help | |
998 | Display the CPLB information. | |
999 | ||
1000 | config ACCESS_CHECK | |
1001 | bool "Check the user pointer address" | |
1002 | default y | |
1003 | help | |
1004 | Usually the pointer transfer from user space is checked to see if its | |
1005 | address is in the kernel space. | |
1006 | ||
1007 | Say N here to disable that check to improve the performance. | |
1008 | ||
1009 | endmenu | |
1010 | ||
1011 | source "security/Kconfig" | |
1012 | ||
1013 | source "crypto/Kconfig" | |
1014 | ||
1015 | source "lib/Kconfig" |