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authorSteven Miao <realmz6@gmail.com>2013-09-12 04:36:16 -0400
committerSteven Miao <realmz6@gmail.com>2013-09-12 22:42:27 -0400
commit24a70cf2b28e24aa31c4f9bc310cc274c0a90183 (patch)
tree83329a8bfaf013146ba394e1285e283df1056f19 /arch
parent6e4664525b1db28f8c4e1130957f70a94c19213e (diff)
blackfin: scb: Add system crossbar init code.
If SCB exists in select blackfin cpu, developer can change the SCB priority in kernel configuration. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Steven Miao <realmz6@gmail.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/blackfin/include/asm/scb.h21
-rw-r--r--arch/blackfin/kernel/setup.c6
-rw-r--r--arch/blackfin/mach-bf609/Kconfig1017
-rw-r--r--arch/blackfin/mach-bf609/Makefile1
-rw-r--r--arch/blackfin/mach-bf609/scb.c232
-rw-r--r--arch/blackfin/mach-common/Makefile1
-rw-r--r--arch/blackfin/mach-common/scb-init.c53
7 files changed, 1331 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/scb.h b/arch/blackfin/include/asm/scb.h
new file mode 100644
index 000000000000..a294cc0d1a4a
--- /dev/null
+++ b/arch/blackfin/include/asm/scb.h
@@ -0,0 +1,21 @@
1/*
2 * arch/blackfin/mach-common/scb-init.c - reprogram system cross bar priority
3 *
4 * Copyright 2012 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#define SCB_SLOT_OFFSET 24
10#define SCB_MI_MAX_SLOT 32
11
12struct scb_mi_prio {
13 unsigned long scb_mi_arbr;
14 unsigned long scb_mi_arbw;
15 unsigned char scb_mi_slots;
16 unsigned char scb_mi_prio[SCB_MI_MAX_SLOT];
17};
18
19extern struct scb_mi_prio scb_data[];
20
21extern void init_scb(void);
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 19ad0637e8ff..396193042127 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -35,6 +35,9 @@
35#ifdef CONFIG_BF60x 35#ifdef CONFIG_BF60x
36#include <mach/pm.h> 36#include <mach/pm.h>
37#endif 37#endif
38#ifdef CONFIG_SCB_PRIORITY
39#include <asm/scb.h>
40#endif
38 41
39u16 _bfin_swrst; 42u16 _bfin_swrst;
40EXPORT_SYMBOL(_bfin_swrst); 43EXPORT_SYMBOL(_bfin_swrst);
@@ -1101,6 +1104,9 @@ void __init setup_arch(char **cmdline_p)
1101#endif 1104#endif
1102 init_exception_vectors(); 1105 init_exception_vectors();
1103 bfin_cache_init(); /* Initialize caches for the boot CPU */ 1106 bfin_cache_init(); /* Initialize caches for the boot CPU */
1107#ifdef CONFIG_SCB_PRIORITY
1108 init_scb();
1109#endif
1104} 1110}
1105 1111
1106static int __init topology_init(void) 1112static int __init topology_init(void)
diff --git a/arch/blackfin/mach-bf609/Kconfig b/arch/blackfin/mach-bf609/Kconfig
index 95a4f1b676ce..ffc1708c463e 100644
--- a/arch/blackfin/mach-bf609/Kconfig
+++ b/arch/blackfin/mach-bf609/Kconfig
@@ -59,6 +59,1023 @@ config SEC_IRQ_PRIORITY_LEVELS
59 Divide the total number of interrupt priority levels into sub-levels. 59 Divide the total number of interrupt priority levels into sub-levels.
60 There is 2 ^ (SEC_IRQ_PRIORITY_LEVELS + 1) different levels. 60 There is 2 ^ (SEC_IRQ_PRIORITY_LEVELS + 1) different levels.
61 61
62
63comment "System Cross Bar Priority Assignment"
64
65config SCB_PRIORITY
66 bool "Init System Cross Bar Priority"
67 default n
68
69menuconfig SCB0_MI0
70 bool "SCB0 Master Interface 0 (DDR)"
71 default n
72 depends on SCB_PRIORITY
73 help
74 The slave interface id of each slot should be set according following table.
75 Core 0 -- 0
76 Core 1 -- 2
77 SCB1 -- 9
78 SCB2 -- 10
79 SCB3 -- 11
80 SCB4 -- 12
81 SCB5 -- 5
82 SCB6 -- 6
83 SCB7 -- 8
84 SCB8 -- 7
85 SCB9 -- 4
86 USB -- 13
87
88if SCB0_MI0
89
90config SCB0_MI0_SLOT0
91 int "Slot 0 slave interface id"
92 default 0
93 range 0 13
94
95config SCB0_MI0_SLOT1
96 int "Slot 1 slave interface id"
97 default 2
98 range 0 13
99
100config SCB0_MI0_SLOT2
101 int "Slot 2 slave interface id"
102 default 4
103 range 0 13
104
105config SCB0_MI0_SLOT3
106 int "Slot 3 slave interface id"
107 default 5
108 range 0 13
109
110config SCB0_MI0_SLOT4
111 int "Slot 4 slave interface id"
112 default 6
113 range 0 13
114
115config SCB0_MI0_SLOT5
116 int "Slot 5 slave interface id"
117 default 7
118 range 0 13
119
120config SCB0_MI0_SLOT6
121 int "Slot 6 slave interface id"
122 default 8
123 range 0 13
124
125config SCB0_MI0_SLOT7
126 int "Slot 7 slave interface id"
127 default 9
128 range 0 13
129
130config SCB0_MI0_SLOT8
131 int "Slot 8 slave interface id"
132 default 10
133 range 0 13
134
135config SCB0_MI0_SLOT9
136 int "Slot 9 slave interface id"
137 default 11
138 range 0 13
139
140config SCB0_MI0_SLOT10
141 int "Slot 10 slave interface id"
142 default 13
143 range 0 13
144
145config SCB0_MI0_SLOT11
146 int "Slot 11 slave interface id"
147 default 12
148 range 0 13
149
150config SCB0_MI0_SLOT12
151 int "Slot 12 slave interface id"
152 default 0
153 range 0 13
154
155config SCB0_MI0_SLOT13
156 int "Slot 13 slave interface id"
157 default 2
158 range 0 13
159
160config SCB0_MI0_SLOT14
161 int "Slot 14 slave interface id"
162 default 4
163 range 0 13
164
165config SCB0_MI0_SLOT15
166 int "Slot 15 slave interface id"
167 default 5
168 range 0 13
169
170config SCB0_MI0_SLOT16
171 int "Slot 16 slave interface id"
172 default 6
173 range 0 13
174
175config SCB0_MI0_SLOT17
176 int "Slot 17 slave interface id"
177 default 7
178 range 0 13
179
180config SCB0_MI0_SLOT18
181 int "Slot 18 slave interface id"
182 default 8
183 range 0 13
184
185config SCB0_MI0_SLOT19
186 int "Slot 19 slave interface id"
187 default 9
188 range 0 13
189
190config SCB0_MI0_SLOT20
191 int "Slot 20 slave interface id"
192 default 10
193 range 0 13
194
195config SCB0_MI0_SLOT21
196 int "Slot 21 slave interface id"
197 default 11
198 range 0 13
199
200config SCB0_MI0_SLOT22
201 int "Slot 22 slave interface id"
202 default 13
203 range 0 13
204
205config SCB0_MI0_SLOT23
206 int "Slot 23 slave interface id"
207 default 12
208 range 0 13
209
210config SCB0_MI0_SLOT24
211 int "Slot 24 slave interface id"
212 default 0
213 range 0 13
214
215config SCB0_MI0_SLOT25
216 int "Slot 25 slave interface id"
217 default 2
218 range 0 13
219
220config SCB0_MI0_SLOT26
221 int "Slot 26 slave interface id"
222 default 4
223 range 0 13
224
225config SCB0_MI0_SLOT27
226 int "Slot 27 slave interface id"
227 default 5
228 range 0 13
229
230config SCB0_MI0_SLOT28
231 int "Slot 28 slave interface id"
232 default 6
233 range 0 13
234
235config SCB0_MI0_SLOT29
236 int "Slot 29 slave interface id"
237 default 7
238 range 0 13
239
240config SCB0_MI0_SLOT30
241 int "Slot 30 slave interface id"
242 default 8
243 range 0 13
244
245config SCB0_MI0_SLOT31
246 int "Slot 31 slave interface id"
247 default 13
248 range 0 13
249
250endif # SCB0_MI0
251
252menuconfig SCB0_MI1
253 bool "SCB0 Master Interface 1 (SMC)"
254 default n
255 depends on SCB_PRIORITY
256 help
257 The slave interface id of each slot should be set according following table.
258 Core 0 -- 0
259 Core 1 -- 2
260 SCB1 -- 9
261 SCB2 -- 10
262 SCB3 -- 11
263 SCB4 -- 12
264 SCB5 -- 5
265 SCB6 -- 6
266 SCB7 -- 8
267 SCB8 -- 7
268 SCB9 -- 4
269 USB -- 13
270
271if SCB0_MI1
272
273config SCB0_MI1_SLOT0
274 int "Slot 0 slave interface id"
275 default 0
276 range 0 13
277
278config SCB0_MI1_SLOT1
279 int "Slot 1 slave interface id"
280 default 2
281 range 0 13
282
283config SCB0_MI1_SLOT2
284 int "Slot 2 slave interface id"
285 default 4
286 range 0 13
287
288config SCB0_MI1_SLOT3
289 int "Slot 3 slave interface id"
290 default 5
291 range 0 13
292
293config SCB0_MI1_SLOT4
294 int "Slot 4 slave interface id"
295 default 6
296 range 0 13
297
298config SCB0_MI1_SLOT5
299 int "Slot 5 slave interface id"
300 default 7
301 range 0 13
302
303config SCB0_MI1_SLOT6
304 int "Slot 6 slave interface id"
305 default 8
306 range 0 13
307
308config SCB0_MI1_SLOT7
309 int "Slot 7 slave interface id"
310 default 9
311 range 0 13
312
313config SCB0_MI1_SLOT8
314 int "Slot 8 slave interface id"
315 default 10
316 range 0 13
317
318config SCB0_MI1_SLOT9
319 int "Slot 9 slave interface id"
320 default 11
321 range 0 13
322
323config SCB0_MI1_SLOT10
324 int "Slot 10 slave interface id"
325 default 13
326 range 0 13
327
328config SCB0_MI1_SLOT11
329 int "Slot 11 slave interface id"
330 default 12
331 range 0 13
332
333config SCB0_MI1_SLOT12
334 int "Slot 12 slave interface id"
335 default 0
336 range 0 13
337
338config SCB0_MI1_SLOT13
339 int "Slot 13 slave interface id"
340 default 2
341 range 0 13
342
343config SCB0_MI1_SLOT14
344 int "Slot 14 slave interface id"
345 default 4
346 range 0 13
347
348config SCB0_MI1_SLOT15
349 int "Slot 15 slave interface id"
350 default 5
351 range 0 13
352
353config SCB0_MI1_SLOT16
354 int "Slot 16 slave interface id"
355 default 6
356 range 0 13
357
358config SCB0_MI1_SLOT17
359 int "Slot 17 slave interface id"
360 default 7
361 range 0 13
362
363config SCB0_MI1_SLOT18
364 int "Slot 18 slave interface id"
365 default 8
366 range 0 13
367
368config SCB0_MI1_SLOT19
369 int "Slot 19 slave interface id"
370 default 9
371 range 0 13
372
373config SCB0_MI1_SLOT20
374 int "Slot 20 slave interface id"
375 default 10
376 range 0 13
377
378config SCB0_MI1_SLOT21
379 int "Slot 21 slave interface id"
380 default 11
381 range 0 13
382
383config SCB0_MI1_SLOT22
384 int "Slot 22 slave interface id"
385 default 13
386 range 0 13
387
388config SCB0_MI1_SLOT23
389 int "Slot 23 slave interface id"
390 default 12
391 range 0 13
392
393config SCB0_MI1_SLOT24
394 int "Slot 24 slave interface id"
395 default 0
396 range 0 13
397
398config SCB0_MI1_SLOT25
399 int "Slot 25 slave interface id"
400 default 2
401 range 0 13
402
403config SCB0_MI1_SLOT26
404 int "Slot 26 slave interface id"
405 default 4
406 range 0 13
407
408config SCB0_MI1_SLOT27
409 int "Slot 27 slave interface id"
410 default 5
411 range 0 13
412
413config SCB0_MI1_SLOT28
414 int "Slot 28 slave interface id"
415 default 6
416 range 0 13
417
418config SCB0_MI1_SLOT29
419 int "Slot 29 slave interface id"
420 default 7
421 range 0 13
422
423config SCB0_MI1_SLOT30
424 int "Slot 30 slave interface id"
425 default 8
426 range 0 13
427
428config SCB0_MI1_SLOT31
429 int "Slot 31 slave interface id"
430 default 13
431 range 0 13
432
433endif # SCB0_MI1
434
435menuconfig SCB0_MI2
436 bool "SCB0 Master Interface 2 (Data L2)"
437 default n
438 depends on SCB_PRIORITY
439 help
440 The slave interface id of each slot should be set according following table.
441 Core 0 -- 0
442 Core 1 -- 2
443 SCB1 -- 9
444 SCB2 -- 10
445 SCB3 -- 11
446 SCB4 -- 12
447 SCB5 -- 5
448 SCB6 -- 6
449 SCB7 -- 8
450 SCB8 -- 7
451 SCB9 -- 4
452 USB -- 13
453
454if SCB0_MI2
455
456config SCB0_MI2_SLOT0
457 int "Slot 0 slave interface id"
458 default 4
459 range 0 13
460
461config SCB0_MI2_SLOT1
462 int "Slot 1 slave interface id"
463 default 5
464 range 0 13
465
466config SCB0_MI2_SLOT2
467 int "Slot 2 slave interface id"
468 default 6
469 range 0 13
470
471config SCB0_MI2_SLOT3
472 int "Slot 3 slave interface id"
473 default 7
474 range 0 13
475
476config SCB0_MI2_SLOT4
477 int "Slot 4 slave interface id"
478 default 8
479 range 0 13
480
481config SCB0_MI2_SLOT5
482 int "Slot 5 slave interface id"
483 default 9
484 range 0 13
485
486config SCB0_MI2_SLOT6
487 int "Slot 6 slave interface id"
488 default 10
489 range 0 13
490
491config SCB0_MI2_SLOT7
492 int "Slot 7 slave interface id"
493 default 11
494 range 0 13
495
496config SCB0_MI2_SLOT8
497 int "Slot 8 slave interface id"
498 default 13
499 range 0 13
500
501config SCB0_MI2_SLOT9
502 int "Slot 9 slave interface id"
503 default 12
504 range 0 13
505
506config SCB0_MI2_SLOT10
507 int "Slot 10 slave interface id"
508 default 4
509 range 0 13
510
511config SCB0_MI2_SLOT11
512 int "Slot 11 slave interface id"
513 default 5
514 range 0 13
515
516config SCB0_MI2_SLOT12
517 int "Slot 12 slave interface id"
518 default 6
519 range 0 13
520
521config SCB0_MI2_SLOT13
522 int "Slot 13 slave interface id"
523 default 7
524 range 0 13
525
526config SCB0_MI2_SLOT14
527 int "Slot 14 slave interface id"
528 default 8
529 range 0 13
530
531config SCB0_MI2_SLOT15
532 int "Slot 15 slave interface id"
533 default 9
534 range 0 13
535
536config SCB0_MI2_SLOT16
537 int "Slot 16 slave interface id"
538 default 10
539 range 0 13
540
541config SCB0_MI2_SLOT17
542 int "Slot 17 slave interface id"
543 default 11
544 range 0 13
545
546config SCB0_MI2_SLOT18
547 int "Slot 18 slave interface id"
548 default 13
549 range 0 13
550
551config SCB0_MI2_SLOT19
552 int "Slot 19 slave interface id"
553 default 12
554 range 0 13
555
556config SCB0_MI2_SLOT20
557 int "Slot 20 slave interface id"
558 default 4
559 range 0 13
560
561config SCB0_MI2_SLOT21
562 int "Slot 21 slave interface id"
563 default 5
564 range 0 13
565
566config SCB0_MI2_SLOT22
567 int "Slot 22 slave interface id"
568 default 6
569 range 0 13
570
571config SCB0_MI2_SLOT23
572 int "Slot 23 slave interface id"
573 default 7
574 range 0 13
575
576config SCB0_MI2_SLOT24
577 int "Slot 24 slave interface id"
578 default 8
579 range 0 13
580
581config SCB0_MI2_SLOT25
582 int "Slot 25 slave interface id"
583 default 9
584 range 0 13
585
586config SCB0_MI2_SLOT26
587 int "Slot 26 slave interface id"
588 default 10
589 range 0 13
590
591config SCB0_MI2_SLOT27
592 int "Slot 27 slave interface id"
593 default 11
594 range 0 13
595
596config SCB0_MI2_SLOT28
597 int "Slot 28 slave interface id"
598 default 13
599 range 0 13
600
601config SCB0_MI2_SLOT29
602 int "Slot 29 slave interface id"
603 default 12
604 range 0 13
605
606config SCB0_MI2_SLOT30
607 int "Slot 30 slave interface id"
608 default 4
609 range 0 13
610
611config SCB0_MI2_SLOT31
612 int "Slot 31 slave interface id"
613 default 7
614 range 0 13
615
616endif # SCB0_MI2
617
618menuconfig SCB0_MI3
619 bool "SCB0 Master Interface 3 (L1A)"
620 default n
621 depends on SCB_PRIORITY
622 help
623 The slave interface id of each slot should be set according following table.
624 Core 0 -- 0
625 Core 1 -- 2
626 SCB1 -- 9
627 SCB2 -- 10
628 SCB3 -- 11
629 SCB4 -- 12
630 SCB5 -- 5
631 SCB6 -- 6
632 SCB7 -- 8
633 SCB8 -- 7
634 SCB9 -- 4
635 USB -- 13
636
637if SCB0_MI3
638
639config SCB0_MI3_SLOT0
640 int "Slot 0 slave interface id"
641 default 4
642 range 0 13
643
644config SCB0_MI3_SLOT1
645 int "Slot 1 slave interface id"
646 default 5
647 range 0 13
648
649config SCB0_MI3_SLOT2
650 int "Slot 2 slave interface id"
651 default 6
652 range 0 13
653
654config SCB0_MI3_SLOT3
655 int "Slot 3 slave interface id"
656 default 7
657 range 0 13
658
659config SCB0_MI3_SLOT4
660 int "Slot 4 slave interface id"
661 default 8
662 range 0 13
663
664config SCB0_MI3_SLOT5
665 int "Slot 5 slave interface id"
666 default 9
667 range 0 13
668
669config SCB0_MI3_SLOT6
670 int "Slot 6 slave interface id"
671 default 10
672 range 0 13
673
674config SCB0_MI3_SLOT7
675 int "Slot 7 slave interface id"
676 default 11
677 range 0 13
678
679config SCB0_MI3_SLOT8
680 int "Slot 8 slave interface id"
681 default 13
682 range 0 13
683
684config SCB0_MI3_SLOT9
685 int "Slot 9 slave interface id"
686 default 12
687 range 0 13
688
689config SCB0_MI3_SLOT10
690 int "Slot 10 slave interface id"
691 default 4
692 range 0 13
693
694config SCB0_MI3_SLOT11
695 int "Slot 11 slave interface id"
696 default 5
697 range 0 13
698
699config SCB0_MI3_SLOT12
700 int "Slot 12 slave interface id"
701 default 6
702 range 0 13
703
704config SCB0_MI3_SLOT13
705 int "Slot 13 slave interface id"
706 default 7
707 range 0 13
708
709config SCB0_MI3_SLOT14
710 int "Slot 14 slave interface id"
711 default 8
712 range 0 13
713
714config SCB0_MI3_SLOT15
715 int "Slot 15 slave interface id"
716 default 9
717 range 0 13
718
719config SCB0_MI3_SLOT16
720 int "Slot 16 slave interface id"
721 default 10
722 range 0 13
723
724config SCB0_MI3_SLOT17
725 int "Slot 17 slave interface id"
726 default 11
727 range 0 13
728
729config SCB0_MI3_SLOT18
730 int "Slot 18 slave interface id"
731 default 13
732 range 0 13
733
734config SCB0_MI3_SLOT19
735 int "Slot 19 slave interface id"
736 default 12
737 range 0 13
738
739config SCB0_MI3_SLOT20
740 int "Slot 20 slave interface id"
741 default 4
742 range 0 13
743
744config SCB0_MI3_SLOT21
745 int "Slot 21 slave interface id"
746 default 5
747 range 0 13
748
749config SCB0_MI3_SLOT22
750 int "Slot 22 slave interface id"
751 default 6
752 range 0 13
753
754config SCB0_MI3_SLOT23
755 int "Slot 23 slave interface id"
756 default 7
757 range 0 13
758
759config SCB0_MI3_SLOT24
760 int "Slot 24 slave interface id"
761 default 8
762 range 0 13
763
764config SCB0_MI3_SLOT25
765 int "Slot 25 slave interface id"
766 default 9
767 range 0 13
768
769config SCB0_MI3_SLOT26
770 int "Slot 26 slave interface id"
771 default 10
772 range 0 13
773
774config SCB0_MI3_SLOT27
775 int "Slot 27 slave interface id"
776 default 11
777 range 0 13
778
779config SCB0_MI3_SLOT28
780 int "Slot 28 slave interface id"
781 default 13
782 range 0 13
783
784config SCB0_MI3_SLOT29
785 int "Slot 29 slave interface id"
786 default 12
787 range 0 13
788
789config SCB0_MI3_SLOT30
790 int "Slot 30 slave interface id"
791 default 4
792 range 0 13
793
794config SCB0_MI3_SLOT31
795 int "Slot 31 slave interface id"
796 default 7
797 range 0 13
798
799endif # SCB0_MI3
800
801menuconfig SCB0_MI4
802 bool "SCB0 Master Interface 4 (L1B)"
803 default n
804 depends on SCB_PRIORITY
805 help
806 The slave interface id of each slot should be set according following table.
807 Core 0 -- 0
808 Core 1 -- 2
809 SCB1 -- 9
810 SCB2 -- 10
811 SCB3 -- 11
812 SCB4 -- 12
813 SCB5 -- 5
814 SCB6 -- 6
815 SCB7 -- 8
816 SCB8 -- 7
817 SCB9 -- 4
818 USB -- 13
819
820if SCB0_MI4
821
822config SCB0_MI4_SLOT0
823 int "Slot 0 slave interface id"
824 default 4
825 range 0 13
826
827config SCB0_MI4_SLOT1
828 int "Slot 1 slave interface id"
829 default 5
830 range 0 13
831
832config SCB0_MI4_SLOT2
833 int "Slot 2 slave interface id"
834 default 6
835 range 0 13
836
837config SCB0_MI4_SLOT3
838 int "Slot 3 slave interface id"
839 default 7
840 range 0 13
841
842config SCB0_MI4_SLOT4
843 int "Slot 4 slave interface id"
844 default 8
845 range 0 13
846
847config SCB0_MI4_SLOT5
848 int "Slot 5 slave interface id"
849 default 9
850 range 0 13
851
852config SCB0_MI4_SLOT6
853 int "Slot 6 slave interface id"
854 default 10
855 range 0 13
856
857config SCB0_MI4_SLOT7
858 int "Slot 7 slave interface id"
859 default 11
860 range 0 13
861
862config SCB0_MI4_SLOT8
863 int "Slot 8 slave interface id"
864 default 13
865 range 0 13
866
867config SCB0_MI4_SLOT9
868 int "Slot 9 slave interface id"
869 default 12
870 range 0 13
871
872config SCB0_MI4_SLOT10
873 int "Slot 10 slave interface id"
874 default 4
875 range 0 13
876
877config SCB0_MI4_SLOT11
878 int "Slot 11 slave interface id"
879 default 5
880 range 0 13
881
882config SCB0_MI4_SLOT12
883 int "Slot 12 slave interface id"
884 default 6
885 range 0 13
886
887config SCB0_MI4_SLOT13
888 int "Slot 13 slave interface id"
889 default 7
890 range 0 13
891
892config SCB0_MI4_SLOT14
893 int "Slot 14 slave interface id"
894 default 8
895 range 0 13
896
897config SCB0_MI4_SLOT15
898 int "Slot 15 slave interface id"
899 default 9
900 range 0 13
901
902config SCB0_MI4_SLOT16
903 int "Slot 16 slave interface id"
904 default 10
905 range 0 13
906
907config SCB0_MI4_SLOT17
908 int "Slot 17 slave interface id"
909 default 11
910 range 0 13
911
912config SCB0_MI4_SLOT18
913 int "Slot 18 slave interface id"
914 default 13
915 range 0 13
916
917config SCB0_MI4_SLOT19
918 int "Slot 19 slave interface id"
919 default 12
920 range 0 13
921
922config SCB0_MI4_SLOT20
923 int "Slot 20 slave interface id"
924 default 4
925 range 0 13
926
927config SCB0_MI4_SLOT21
928 int "Slot 21 slave interface id"
929 default 5
930 range 0 13
931
932config SCB0_MI4_SLOT22
933 int "Slot 22 slave interface id"
934 default 6
935 range 0 13
936
937config SCB0_MI4_SLOT23
938 int "Slot 23 slave interface id"
939 default 7
940 range 0 13
941
942config SCB0_MI4_SLOT24
943 int "Slot 24 slave interface id"
944 default 8
945 range 0 13
946
947config SCB0_MI4_SLOT25
948 int "Slot 25 slave interface id"
949 default 9
950 range 0 13
951
952config SCB0_MI4_SLOT26
953 int "Slot 26 slave interface id"
954 default 10
955 range 0 13
956
957config SCB0_MI4_SLOT27
958 int "Slot 27 slave interface id"
959 default 11
960 range 0 13
961
962config SCB0_MI4_SLOT28
963 int "Slot 28 slave interface id"
964 default 13
965 range 0 13
966
967config SCB0_MI4_SLOT29
968 int "Slot 29 slave interface id"
969 default 12
970 range 0 13
971
972config SCB0_MI4_SLOT30
973 int "Slot 30 slave interface id"
974 default 4
975 range 0 13
976
977config SCB0_MI4_SLOT31
978 int "Slot 31 slave interface id"
979 default 7
980 range 0 13
981
982endif # SCB0_MI4
983
984menuconfig SCB0_MI5
985 bool "SCB0 Master Interface 5 (SMMR)"
986 default n
987 depends on SCB_PRIORITY
988 help
989 The slave interface id of each slot should be set according following table.
990 MMR0 -- 1
991 MMR1 -- 3
992 SCB2 -- 10
993 SCB4 -- 12
994
995if SCB0_MI5
996
997config SCB0_MI5_SLOT0
998 int "Slot 0 slave interface id"
999 default 1
1000 range 0 13
1001
1002config SCB0_MI5_SLOT1
1003 int "Slot 1 slave interface id"
1004 default 3
1005 range 0 13
1006
1007config SCB0_MI5_SLOT2
1008 int "Slot 2 slave interface id"
1009 default 10
1010 range 0 13
1011
1012config SCB0_MI5_SLOT3
1013 int "Slot 3 slave interface id"
1014 default 12
1015 range 0 13
1016
1017config SCB0_MI5_SLOT4
1018 int "Slot 4 slave interface id"
1019 default 1
1020 range 0 13
1021
1022config SCB0_MI5_SLOT5
1023 int "Slot 5 slave interface id"
1024 default 3
1025 range 0 13
1026
1027config SCB0_MI5_SLOT6
1028 int "Slot 6 slave interface id"
1029 default 10
1030 range 0 13
1031
1032config SCB0_MI5_SLOT7
1033 int "Slot 7 slave interface id"
1034 default 12
1035 range 0 13
1036
1037config SCB0_MI5_SLOT8
1038 int "Slot 8 slave interface id"
1039 default 1
1040 range 0 13
1041
1042config SCB0_MI5_SLOT9
1043 int "Slot 9 slave interface id"
1044 default 3
1045 range 0 13
1046
1047config SCB0_MI5_SLOT10
1048 int "Slot 10 slave interface id"
1049 default 10
1050 range 0 13
1051
1052config SCB0_MI5_SLOT11
1053 int "Slot 11 slave interface id"
1054 default 12
1055 range 0 13
1056
1057config SCB0_MI5_SLOT12
1058 int "Slot 12 slave interface id"
1059 default 1
1060 range 0 13
1061
1062config SCB0_MI5_SLOT13
1063 int "Slot 13 slave interface id"
1064 default 3
1065 range 0 13
1066
1067config SCB0_MI5_SLOT14
1068 int "Slot 14 slave interface id"
1069 default 10
1070 range 0 13
1071
1072config SCB0_MI5_SLOT15
1073 int "Slot 15 slave interface id"
1074 default 12
1075 range 0 13
1076
1077endif # SCB0_MI5
1078
62endmenu 1079endmenu
63 1080
64endif 1081endif
diff --git a/arch/blackfin/mach-bf609/Makefile b/arch/blackfin/mach-bf609/Makefile
index 234fe1b4bb0e..60ffaf85d303 100644
--- a/arch/blackfin/mach-bf609/Makefile
+++ b/arch/blackfin/mach-bf609/Makefile
@@ -4,3 +4,4 @@
4 4
5obj-y := dma.o clock.o ints-priority.o 5obj-y := dma.o clock.o ints-priority.o
6obj-$(CONFIG_PM) += pm.o dpm.o 6obj-$(CONFIG_PM) += pm.o dpm.o
7obj-$(CONFIG_SCB_PRIORITY) += scb.o
diff --git a/arch/blackfin/mach-bf609/scb.c b/arch/blackfin/mach-bf609/scb.c
new file mode 100644
index 000000000000..615c7a554d6b
--- /dev/null
+++ b/arch/blackfin/mach-bf609/scb.c
@@ -0,0 +1,232 @@
1/*
2 * arch/blackfin/mach-common/scb-init.c - reprogram system cross bar priority
3 *
4 * Copyright 2012 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#include <asm/blackfin.h>
10#include <asm/scb.h>
11
12struct scb_mi_prio scb_data[] = {
13#ifdef CONFIG_SCB0_MI0
14 { REG_SCB0_ARBR0, REG_SCB0_ARBW0, 32, {
15 CONFIG_SCB0_MI0_SLOT0,
16 CONFIG_SCB0_MI0_SLOT1,
17 CONFIG_SCB0_MI0_SLOT2,
18 CONFIG_SCB0_MI0_SLOT3,
19 CONFIG_SCB0_MI0_SLOT4,
20 CONFIG_SCB0_MI0_SLOT5,
21 CONFIG_SCB0_MI0_SLOT6,
22 CONFIG_SCB0_MI0_SLOT7,
23 CONFIG_SCB0_MI0_SLOT8,
24 CONFIG_SCB0_MI0_SLOT9,
25 CONFIG_SCB0_MI0_SLOT10,
26 CONFIG_SCB0_MI0_SLOT11,
27 CONFIG_SCB0_MI0_SLOT12,
28 CONFIG_SCB0_MI0_SLOT13,
29 CONFIG_SCB0_MI0_SLOT14,
30 CONFIG_SCB0_MI0_SLOT15,
31 CONFIG_SCB0_MI0_SLOT16,
32 CONFIG_SCB0_MI0_SLOT17,
33 CONFIG_SCB0_MI0_SLOT18,
34 CONFIG_SCB0_MI0_SLOT19,
35 CONFIG_SCB0_MI0_SLOT20,
36 CONFIG_SCB0_MI0_SLOT21,
37 CONFIG_SCB0_MI0_SLOT22,
38 CONFIG_SCB0_MI0_SLOT23,
39 CONFIG_SCB0_MI0_SLOT24,
40 CONFIG_SCB0_MI0_SLOT25,
41 CONFIG_SCB0_MI0_SLOT26,
42 CONFIG_SCB0_MI0_SLOT27,
43 CONFIG_SCB0_MI0_SLOT28,
44 CONFIG_SCB0_MI0_SLOT29,
45 CONFIG_SCB0_MI0_SLOT30,
46 CONFIG_SCB0_MI0_SLOT31
47 },
48 },
49#endif
50#ifdef CONFIG_SCB0_MI1
51 { REG_SCB0_ARBR1, REG_SCB0_ARBW1, 32, {
52 CONFIG_SCB0_MI1_SLOT0,
53 CONFIG_SCB0_MI1_SLOT1,
54 CONFIG_SCB0_MI1_SLOT2,
55 CONFIG_SCB0_MI1_SLOT3,
56 CONFIG_SCB0_MI1_SLOT4,
57 CONFIG_SCB0_MI1_SLOT5,
58 CONFIG_SCB0_MI1_SLOT6,
59 CONFIG_SCB0_MI1_SLOT7,
60 CONFIG_SCB0_MI1_SLOT8,
61 CONFIG_SCB0_MI1_SLOT9,
62 CONFIG_SCB0_MI1_SLOT10,
63 CONFIG_SCB0_MI1_SLOT11,
64 CONFIG_SCB0_MI1_SLOT12,
65 CONFIG_SCB0_MI1_SLOT13,
66 CONFIG_SCB0_MI1_SLOT14,
67 CONFIG_SCB0_MI1_SLOT15,
68 CONFIG_SCB0_MI1_SLOT16,
69 CONFIG_SCB0_MI1_SLOT17,
70 CONFIG_SCB0_MI1_SLOT18,
71 CONFIG_SCB0_MI1_SLOT19,
72 CONFIG_SCB0_MI1_SLOT20,
73 CONFIG_SCB0_MI1_SLOT21,
74 CONFIG_SCB0_MI1_SLOT22,
75 CONFIG_SCB0_MI1_SLOT23,
76 CONFIG_SCB0_MI1_SLOT24,
77 CONFIG_SCB0_MI1_SLOT25,
78 CONFIG_SCB0_MI1_SLOT26,
79 CONFIG_SCB0_MI1_SLOT27,
80 CONFIG_SCB0_MI1_SLOT28,
81 CONFIG_SCB0_MI1_SLOT29,
82 CONFIG_SCB0_MI1_SLOT30,
83 CONFIG_SCB0_MI1_SLOT31
84 },
85 },
86#endif
87#ifdef CONFIG_SCB0_MI2
88 { REG_SCB0_ARBR2, REG_SCB0_ARBW2, 32, {
89 CONFIG_SCB0_MI2_SLOT0,
90 CONFIG_SCB0_MI2_SLOT1,
91 CONFIG_SCB0_MI2_SLOT2,
92 CONFIG_SCB0_MI2_SLOT3,
93 CONFIG_SCB0_MI2_SLOT4,
94 CONFIG_SCB0_MI2_SLOT5,
95 CONFIG_SCB0_MI2_SLOT6,
96 CONFIG_SCB0_MI2_SLOT7,
97 CONFIG_SCB0_MI2_SLOT8,
98 CONFIG_SCB0_MI2_SLOT9,
99 CONFIG_SCB0_MI2_SLOT10,
100 CONFIG_SCB0_MI2_SLOT11,
101 CONFIG_SCB0_MI2_SLOT12,
102 CONFIG_SCB0_MI2_SLOT13,
103 CONFIG_SCB0_MI2_SLOT14,
104 CONFIG_SCB0_MI2_SLOT15,
105 CONFIG_SCB0_MI2_SLOT16,
106 CONFIG_SCB0_MI2_SLOT17,
107 CONFIG_SCB0_MI2_SLOT18,
108 CONFIG_SCB0_MI2_SLOT19,
109 CONFIG_SCB0_MI2_SLOT20,
110 CONFIG_SCB0_MI2_SLOT21,
111 CONFIG_SCB0_MI2_SLOT22,
112 CONFIG_SCB0_MI2_SLOT23,
113 CONFIG_SCB0_MI2_SLOT24,
114 CONFIG_SCB0_MI2_SLOT25,
115 CONFIG_SCB0_MI2_SLOT26,
116 CONFIG_SCB0_MI2_SLOT27,
117 CONFIG_SCB0_MI2_SLOT28,
118 CONFIG_SCB0_MI2_SLOT29,
119 CONFIG_SCB0_MI2_SLOT30,
120 CONFIG_SCB0_MI2_SLOT31
121 },
122 },
123#endif
124#ifdef CONFIG_SCB0_MI3
125 { REG_SCB0_ARBR3, REG_SCB0_ARBW3, 32, {
126 CONFIG_SCB0_MI3_SLOT0,
127 CONFIG_SCB0_MI3_SLOT1,
128 CONFIG_SCB0_MI3_SLOT2,
129 CONFIG_SCB0_MI3_SLOT3,
130 CONFIG_SCB0_MI3_SLOT4,
131 CONFIG_SCB0_MI3_SLOT5,
132 CONFIG_SCB0_MI3_SLOT6,
133 CONFIG_SCB0_MI3_SLOT7,
134 CONFIG_SCB0_MI3_SLOT8,
135 CONFIG_SCB0_MI3_SLOT9,
136 CONFIG_SCB0_MI3_SLOT10,
137 CONFIG_SCB0_MI3_SLOT11,
138 CONFIG_SCB0_MI3_SLOT12,
139 CONFIG_SCB0_MI3_SLOT13,
140 CONFIG_SCB0_MI3_SLOT14,
141 CONFIG_SCB0_MI3_SLOT15,
142 CONFIG_SCB0_MI3_SLOT16,
143 CONFIG_SCB0_MI3_SLOT17,
144 CONFIG_SCB0_MI3_SLOT18,
145 CONFIG_SCB0_MI3_SLOT19,
146 CONFIG_SCB0_MI3_SLOT20,
147 CONFIG_SCB0_MI3_SLOT21,
148 CONFIG_SCB0_MI3_SLOT22,
149 CONFIG_SCB0_MI3_SLOT23,
150 CONFIG_SCB0_MI3_SLOT24,
151 CONFIG_SCB0_MI3_SLOT25,
152 CONFIG_SCB0_MI3_SLOT26,
153 CONFIG_SCB0_MI3_SLOT27,
154 CONFIG_SCB0_MI3_SLOT28,
155 CONFIG_SCB0_MI3_SLOT29,
156 CONFIG_SCB0_MI3_SLOT30,
157 CONFIG_SCB0_MI3_SLOT31
158 },
159 },
160#endif
161#ifdef CONFIG_SCB0_MI4
162 { REG_SCB0_ARBR4, REG_SCB4_ARBW0, 32, {
163 CONFIG_SCB0_MI4_SLOT0,
164 CONFIG_SCB0_MI4_SLOT1,
165 CONFIG_SCB0_MI4_SLOT2,
166 CONFIG_SCB0_MI4_SLOT3,
167 CONFIG_SCB0_MI4_SLOT4,
168 CONFIG_SCB0_MI4_SLOT5,
169 CONFIG_SCB0_MI4_SLOT6,
170 CONFIG_SCB0_MI4_SLOT7,
171 CONFIG_SCB0_MI4_SLOT8,
172 CONFIG_SCB0_MI4_SLOT9,
173 CONFIG_SCB0_MI4_SLOT10,
174 CONFIG_SCB0_MI4_SLOT11,
175 CONFIG_SCB0_MI4_SLOT12,
176 CONFIG_SCB0_MI4_SLOT13,
177 CONFIG_SCB0_MI4_SLOT14,
178 CONFIG_SCB0_MI4_SLOT15,
179 CONFIG_SCB0_MI4_SLOT16,
180 CONFIG_SCB0_MI4_SLOT17,
181 CONFIG_SCB0_MI4_SLOT18,
182 CONFIG_SCB0_MI4_SLOT19,
183 CONFIG_SCB0_MI4_SLOT20,
184 CONFIG_SCB0_MI4_SLOT21,
185 CONFIG_SCB0_MI4_SLOT22,
186 CONFIG_SCB0_MI4_SLOT23,
187 CONFIG_SCB0_MI4_SLOT24,
188 CONFIG_SCB0_MI4_SLOT25,
189 CONFIG_SCB0_MI4_SLOT26,
190 CONFIG_SCB0_MI4_SLOT27,
191 CONFIG_SCB0_MI4_SLOT28,
192 CONFIG_SCB0_MI4_SLOT29,
193 CONFIG_SCB0_MI4_SLOT30,
194 CONFIG_SCB0_MI4_SLOT31
195 },
196 },
197#endif
198#ifdef CONFIG_SCB0_MI5
199 { REG_SCB0_ARBR5, REG_SCB0_ARBW5, 16, {
200 CONFIG_SCB0_MI5_SLOT0,
201 CONFIG_SCB0_MI5_SLOT1,
202 CONFIG_SCB0_MI5_SLOT2,
203 CONFIG_SCB0_MI5_SLOT3,
204 CONFIG_SCB0_MI5_SLOT4,
205 CONFIG_SCB0_MI5_SLOT5,
206 CONFIG_SCB0_MI5_SLOT6,
207 CONFIG_SCB0_MI5_SLOT7,
208 CONFIG_SCB0_MI5_SLOT8,
209 CONFIG_SCB0_MI5_SLOT9,
210 CONFIG_SCB0_MI5_SLOT10,
211 CONFIG_SCB0_MI5_SLOT11,
212 CONFIG_SCB0_MI5_SLOT12,
213 CONFIG_SCB0_MI5_SLOT13,
214 CONFIG_SCB0_MI5_SLOT14,
215 CONFIG_SCB0_MI5_SLOT15,
216 },
217 },
218#endif
219/*
220 { REG_SCB1_ARBR0, REG_SCB1_ARBW0, scb1_mi0, 20 },
221 { REG_SCB2_ARBR0, REG_SCB2_ARBW0, scb2_mi0, 10 },
222 { REG_SCB3_ARBR0, REG_SCB3_ARBW0, scb3_mi0, 16 },
223 { REG_SCB4_ARBR0, REG_SCB4_ARBW0, scb4_mi0, 16 },
224 { REG_SCB5_ARBR0, REG_SCB5_ARBW0, scb5_mi0, 8 },
225 { REG_SCB6_ARBR0, REG_SCB6_ARBW0, scb6_mi0, 4 },
226 { REG_SCB7_ARBR0, REG_SCB7_ARBW0, scb7_mi0, 6 },
227 { REG_SCB8_ARBR0, REG_SCB8_ARBW0, scb8_mi0, 8 },
228 { REG_SCB9_ARBR0, REG_SCB9_ARBW0, scb9_mi0, 10 },
229 { REG_SCB10_ARBR0, REG_SCB10_ARBW0, scb20_mi0, 16 },
230*/
231 { 0, }
232};
diff --git a/arch/blackfin/mach-common/Makefile b/arch/blackfin/mach-common/Makefile
index 675466d490d4..f09979204040 100644
--- a/arch/blackfin/mach-common/Makefile
+++ b/arch/blackfin/mach-common/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_PM) += pm.o
10ifneq ($(CONFIG_BF60x),y) 10ifneq ($(CONFIG_BF60x),y)
11obj-$(CONFIG_PM) += dpmc_modes.o 11obj-$(CONFIG_PM) += dpmc_modes.o
12endif 12endif
13obj-$(CONFIG_SCB_PRIORITY) += scb-init.o
13obj-$(CONFIG_CPU_VOLTAGE) += dpmc.o 14obj-$(CONFIG_CPU_VOLTAGE) += dpmc.o
14obj-$(CONFIG_SMP) += smp.o 15obj-$(CONFIG_SMP) += smp.o
15obj-$(CONFIG_BFIN_KERNEL_CLOCK) += clocks-init.o 16obj-$(CONFIG_BFIN_KERNEL_CLOCK) += clocks-init.o
diff --git a/arch/blackfin/mach-common/scb-init.c b/arch/blackfin/mach-common/scb-init.c
new file mode 100644
index 000000000000..2cbfb0b5679e
--- /dev/null
+++ b/arch/blackfin/mach-common/scb-init.c
@@ -0,0 +1,53 @@
1/*
2 * arch/blackfin/mach-common/scb-init.c - reprogram system cross bar priority
3 *
4 * Copyright 2012 Analog Devices Inc.
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#include <linux/init.h>
10#include <linux/errno.h>
11#include <linux/kernel.h>
12#include <asm/scb.h>
13
14__attribute__((l1_text))
15inline void scb_mi_write(unsigned long scb_mi_arbw, unsigned int slots,
16 unsigned char *scb_mi_prio)
17{
18 unsigned int i;
19
20 for (i = 0; i < slots; ++i)
21 bfin_write32(scb_mi_arbw, (i << SCB_SLOT_OFFSET) | scb_mi_prio[i]);
22}
23
24__attribute__((l1_text))
25inline void scb_mi_read(unsigned long scb_mi_arbw, unsigned int slots,
26 unsigned char *scb_mi_prio)
27{
28 unsigned int i;
29
30 for (i = 0; i < slots; ++i) {
31 bfin_write32(scb_mi_arbw, (0xFF << SCB_SLOT_OFFSET) | i);
32 scb_mi_prio[i] = bfin_read32(scb_mi_arbw);
33 }
34}
35
36__attribute__((l1_text))
37void init_scb(void)
38{
39 unsigned int i, j;
40 unsigned char scb_tmp_prio[32];
41
42 pr_info("Init System Crossbar\n");
43 for (i = 0; scb_data[i].scb_mi_arbr > 0; ++i) {
44
45 scb_mi_write(scb_data[i].scb_mi_arbw, scb_data[i].scb_mi_slots, scb_data[i].scb_mi_prio);
46
47 pr_debug("scb priority at 0x%lx:\n", scb_data[i].scb_mi_arbr);
48 scb_mi_read(scb_data[i].scb_mi_arbw, scb_data[i].scb_mi_slots, scb_tmp_prio);
49 for (j = 0; j < scb_data[i].scb_mi_slots; ++j)
50 pr_debug("slot %d = %d\n", j, scb_tmp_prio[j]);
51 }
52
53}
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-09 15:25:26 -0400