aboutsummaryrefslogblamecommitdiffstats
path: root/include/asm-ppc/cpm2.h
blob: f6a7ff04ffe5030a46092538ce31c99ac9478c3e (plain) (tree)
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044






































































                                                                      
                                                






































                                                                        
 






                                                                  

                             


























































































































































































































































































































































































































































































































































































































































































































































































































































































































































                                                                                 












































                                                                               


                               
 

                                                                        






























































































                                                                                       

                       
/*
 * Communication Processor Module v2.
 *
 * This file contains structures and information for the communication
 * processor channels found in the dual port RAM or parameter RAM.
 * All CPM control and status is available through the CPM2 internal
 * memory map.  See immap_cpm2.h for details.
 */
#ifdef __KERNEL__
#ifndef __CPM2__
#define __CPM2__

#include <asm/immap_cpm2.h>

/* CPM Command register.
*/
#define CPM_CR_RST	((uint)0x80000000)
#define CPM_CR_PAGE	((uint)0x7c000000)
#define CPM_CR_SBLOCK	((uint)0x03e00000)
#define CPM_CR_FLG	((uint)0x00010000)
#define CPM_CR_MCN	((uint)0x00003fc0)
#define CPM_CR_OPCODE	((uint)0x0000000f)

/* Device sub-block and page codes.
*/
#define CPM_CR_SCC1_SBLOCK	(0x04)
#define CPM_CR_SCC2_SBLOCK	(0x05)
#define CPM_CR_SCC3_SBLOCK	(0x06)
#define CPM_CR_SCC4_SBLOCK	(0x07)
#define CPM_CR_SMC1_SBLOCK	(0x08)
#define CPM_CR_SMC2_SBLOCK	(0x09)
#define CPM_CR_SPI_SBLOCK	(0x0a)
#define CPM_CR_I2C_SBLOCK	(0x0b)
#define CPM_CR_TIMER_SBLOCK	(0x0f)
#define CPM_CR_RAND_SBLOCK	(0x0e)
#define CPM_CR_FCC1_SBLOCK	(0x10)
#define CPM_CR_FCC2_SBLOCK	(0x11)
#define CPM_CR_FCC3_SBLOCK	(0x12)
#define CPM_CR_IDMA1_SBLOCK	(0x14)
#define CPM_CR_IDMA2_SBLOCK	(0x15)
#define CPM_CR_IDMA3_SBLOCK	(0x16)
#define CPM_CR_IDMA4_SBLOCK	(0x17)
#define CPM_CR_MCC1_SBLOCK	(0x1c)

#define CPM_CR_SCC1_PAGE	(0x00)
#define CPM_CR_SCC2_PAGE	(0x01)
#define CPM_CR_SCC3_PAGE	(0x02)
#define CPM_CR_SCC4_PAGE	(0x03)
#define CPM_CR_SMC1_PAGE	(0x07)
#define CPM_CR_SMC2_PAGE	(0x08)
#define CPM_CR_SPI_PAGE		(0x09)
#define CPM_CR_I2C_PAGE		(0x0a)
#define CPM_CR_TIMER_PAGE	(0x0a)
#define CPM_CR_RAND_PAGE	(0x0a)
#define CPM_CR_FCC1_PAGE	(0x04)
#define CPM_CR_FCC2_PAGE	(0x05)
#define CPM_CR_FCC3_PAGE	(0x06)
#define CPM_CR_IDMA1_PAGE	(0x07)
#define CPM_CR_IDMA2_PAGE	(0x08)
#define CPM_CR_IDMA3_PAGE	(0x09)
#define CPM_CR_IDMA4_PAGE	(0x0a)
#define CPM_CR_MCC1_PAGE	(0x07)
#define CPM_CR_MCC2_PAGE	(0x08)

/* Some opcodes (there are more...later)
*/
#define CPM_CR_INIT_TRX		((ushort)0x0000)
#define CPM_CR_INIT_RX		((ushort)0x0001)
#define CPM_CR_INIT_TX		((ushort)0x0002)
#define CPM_CR_HUNT_MODE	((ushort)0x0003)
#define CPM_CR_STOP_TX		((ushort)0x0004)
#define CPM_CR_GRA_STOP_TX	((ushort)0x0005)
#define CPM_CR_RESTART_TX	((ushort)0x0006)
#define CPM_CR_SET_GADDR	((ushort)0x0008)
#define CPM_CR_START_IDMA	((ushort)0x0009)
#define CPM_CR_STOP_IDMA	((ushort)0x000b)

#define mk_cr_cmd(PG, SBC, MCN, OP) \
	((PG << 26) | (SBC << 21) | (MCN << 6) | OP)

/* Dual Port RAM addresses.  The first 16K is available for almost
 * any CPM use, so we put the BDs there.  The first 128 bytes are
 * used for SMC1 and SMC2 parameter RAM, so we start allocating
 * BDs above that.  All of this must change when we start
 * downloading RAM microcode.
 */
#define CPM_DATAONLY_BASE	((uint)128)
#define CPM_DP_NOSPACE		((uint)0x7fffffff)
#if defined(CONFIG_8272) || defined(CONFIG_MPC8555)
#define CPM_DATAONLY_SIZE	((uint)(8 * 1024) - CPM_DATAONLY_BASE)
#define CPM_FCC_SPECIAL_BASE	((uint)0x00009000)
#else
#define CPM_DATAONLY_SIZE	((uint)(16 * 1024) - CPM_DATAONLY_BASE)
#define CPM_FCC_SPECIAL_BASE	((uint)0x0000b000)
#endif

/* The number of pages of host memory we allocate for CPM.  This is
 * done early in kernel initialization to get physically contiguous
 * pages.
 */
#define NUM_CPM_HOST_PAGES	2

static inline long IS_DPERR(const uint offset)
{
	return (uint)offset > (uint)-1000L;
}

/* Export the base address of the communication processor registers
 * and dual port ram.
 */
extern		cpm_cpm2_t	*cpmp;	 /* Pointer to comm processor */

extern uint cpm_dpalloc(uint size, uint align);
extern int cpm_dpfree(uint offset);
extern uint cpm_dpalloc_fixed(uint offset, uint size, uint align);
extern void cpm_dpdump(void);
extern void *cpm_dpram_addr(uint offset);
extern void cpm_setbrg(uint brg, uint rate);
extern void cpm2_fastbrg(uint brg, uint rate, int div16);
extern void cpm2_reset(void);


/* Buffer descriptors used by many of the CPM protocols.
*/
typedef struct cpm_buf_desc {
	ushort	cbd_sc;		/* Status and Control */
	ushort	cbd_datlen;	/* Data length in buffer */
	uint	cbd_bufaddr;	/* Buffer address in host memory */
} cbd_t;

#define BD_SC_EMPTY	((ushort)0x8000)	/* Receive is empty */
#define BD_SC_READY	((ushort)0x8000)	/* Transmit is ready */
#define BD_SC_WRAP	((ushort)0x2000)	/* Last buffer descriptor */
#define BD_SC_INTRPT	((ushort)0x1000)	/* Interrupt on change */
#define BD_SC_LAST	((ushort)0x0800)	/* Last buffer in frame */
#define BD_SC_CM	((ushort)0x0200)	/* Continous mode */
#define BD_SC_ID	((ushort)0x0100)	/* Rec'd too many idles */
#define BD_SC_P		((ushort)0x0100)	/* xmt preamble */
#define BD_SC_BR	((ushort)0x0020)	/* Break received */
#define BD_SC_FR	((ushort)0x0010)	/* Framing error */
#define BD_SC_PR	((ushort)0x0008)	/* Parity error */
#define BD_SC_OV	((ushort)0x0002)	/* Overrun */
#define BD_SC_CD	((ushort)0x0001)	/* ?? */

/* Function code bits, usually generic to devices.
*/
#define CPMFCR_GBL	((u_char)0x20)	/* Set memory snooping */
#define CPMFCR_EB	((u_char)0x10)	/* Set big endian byte order */
#define CPMFCR_TC2	((u_char)0x04)	/* Transfer code 2 value */
#define CPMFCR_DTB	((u_char)0x02)	/* Use local bus for data when set */
#define CPMFCR_BDB	((u_char)0x01)	/* Use local bus for BD when set */

/* Parameter RAM offsets from the base.
*/
#define PROFF_SCC1		((uint)0x8000)
#define PROFF_SCC2		((uint)0x8100)
#define PROFF_SCC3		((uint)0x8200)
#define PROFF_SCC4		((uint)0x8300)
#define PROFF_FCC1		((uint)0x8400)
#define PROFF_FCC2		((uint)0x8500)
#define PROFF_FCC3		((uint)0x8600)
#define PROFF_MCC1		((uint)0x8700)
#define PROFF_SMC1_BASE		((uint)0x87fc)
#define PROFF_IDMA1_BASE	((uint)0x87fe)
#define PROFF_MCC2		((uint)0x8800)
#define PROFF_SMC2_BASE		((uint)0x88fc)
#define PROFF_IDMA2_BASE	((uint)0x88fe)
#define PROFF_SPI_BASE		((uint)0x89fc)
#define PROFF_IDMA3_BASE	((uint)0x89fe)
#define PROFF_TIMERS		((uint)0x8ae0)
#define PROFF_REVNUM		((uint)0x8af0)
#define PROFF_RAND		((uint)0x8af8)
#define PROFF_I2C_BASE		((uint)0x8afc)
#define PROFF_IDMA4_BASE	((uint)0x8afe)

/* The SMCs are relocated to any of the first eight DPRAM pages.
 * We will fix these at the first locations of DPRAM, until we
 * get some microcode patches :-).
 * The parameter ram space for the SMCs is fifty-some bytes, and
 * they are required to start on a 64 byte boundary.
 */
#define PROFF_SMC1	(0)
#define PROFF_SMC2	(64)


/* Define enough so I can at least use the serial port as a UART.
 */
typedef struct smc_uart {
	ushort	smc_rbase;	/* Rx Buffer descriptor base address */
	ushort	smc_tbase;	/* Tx Buffer descriptor base address */
	u_char	smc_rfcr;	/* Rx function code */
	u_char	smc_tfcr;	/* Tx function code */
	ushort	smc_mrblr;	/* Max receive buffer length */
	uint	smc_rstate;	/* Internal */
	uint	smc_idp;	/* Internal */
	ushort	smc_rbptr;	/* Internal */
	ushort	smc_ibc;	/* Internal */
	uint	smc_rxtmp;	/* Internal */
	uint	smc_tstate;	/* Internal */
	uint	smc_tdp;	/* Internal */
	ushort	smc_tbptr;	/* Internal */
	ushort	smc_tbc;	/* Internal */
	uint	smc_txtmp;	/* Internal */
	ushort	smc_maxidl;	/* Maximum idle characters */
	ushort	smc_tmpidl;	/* Temporary idle counter */
	ushort	smc_brklen;	/* Last received break length */
	ushort	smc_brkec;	/* rcv'd break condition counter */
	ushort	smc_brkcr;	/* xmt break count register */
	ushort	smc_rmask;	/* Temporary bit mask */
	uint	smc_stmp;	/* SDMA Temp */
} smc_uart_t;

/* SMC uart mode register (Internal memory map).
*/
#define SMCMR_REN	((ushort)0x0001)
#define SMCMR_TEN	((ushort)0x0002)
#define SMCMR_DM	((ushort)0x000c)
#define SMCMR_SM_GCI	((ushort)0x0000)
#define SMCMR_SM_UART	((ushort)0x0020)
#define SMCMR_SM_TRANS	((ushort)0x0030)
#define SMCMR_SM_MASK	((ushort)0x0030)
#define SMCMR_PM_EVEN	((ushort)0x0100)	/* Even parity, else odd */
#define SMCMR_REVD	SMCMR_PM_EVEN
#define SMCMR_PEN	((ushort)0x0200)	/* Parity enable */
#define SMCMR_BS	SMCMR_PEN
#define SMCMR_SL	((ushort)0x0400)	/* Two stops, else one */
#define SMCR_CLEN_MASK	((ushort)0x7800)	/* Character length */
#define smcr_mk_clen(C)	(((C) << 11) & SMCR_CLEN_MASK)

/* SMC Event and Mask register.
*/
#define SMCM_BRKE       ((unsigned char)0x40)   /* When in UART Mode */
#define SMCM_BRK        ((unsigned char)0x10)   /* When in UART Mode */
#define SMCM_TXE	((unsigned char)0x10)
#define SMCM_BSY	((unsigned char)0x04)
#define SMCM_TX		((unsigned char)0x02)
#define SMCM_RX		((unsigned char)0x01)

/* Baud rate generators.
*/
#define CPM_BRG_RST		((uint)0x00020000)
#define CPM_BRG_EN		((uint)0x00010000)
#define CPM_BRG_EXTC_INT	((uint)0x00000000)
#define CPM_BRG_EXTC_CLK3_9	((uint)0x00004000)
#define CPM_BRG_EXTC_CLK5_15	((uint)0x00008000)
#define CPM_BRG_ATB		((uint)0x00002000)
#define CPM_BRG_CD_MASK		((uint)0x00001ffe)
#define CPM_BRG_DIV16		((uint)0x00000001)

/* SCCs.
*/
#define SCC_GSMRH_IRP		((uint)0x00040000)
#define SCC_GSMRH_GDE		((uint)0x00010000)
#define SCC_GSMRH_TCRC_CCITT	((uint)0x00008000)
#define SCC_GSMRH_TCRC_BISYNC	((uint)0x00004000)
#define SCC_GSMRH_TCRC_HDLC	((uint)0x00000000)
#define SCC_GSMRH_REVD		((uint)0x00002000)
#define SCC_GSMRH_TRX		((uint)0x00001000)
#define SCC_GSMRH_TTX		((uint)0x00000800)
#define SCC_GSMRH_CDP		((uint)0x00000400)
#define SCC_GSMRH_CTSP		((uint)0x00000200)
#define SCC_GSMRH_CDS		((uint)0x00000100)
#define SCC_GSMRH_CTSS		((uint)0x00000080)
#define SCC_GSMRH_TFL		((uint)0x00000040)
#define SCC_GSMRH_RFW		((uint)0x00000020)
#define SCC_GSMRH_TXSY		((uint)0x00000010)
#define SCC_GSMRH_SYNL16	((uint)0x0000000c)
#define SCC_GSMRH_SYNL8		((uint)0x00000008)
#define SCC_GSMRH_SYNL4		((uint)0x00000004)
#define SCC_GSMRH_RTSM		((uint)0x00000002)
#define SCC_GSMRH_RSYN		((uint)0x00000001)

#define SCC_GSMRL_SIR		((uint)0x80000000)	/* SCC2 only */
#define SCC_GSMRL_EDGE_NONE	((uint)0x60000000)
#define SCC_GSMRL_EDGE_NEG	((uint)0x40000000)
#define SCC_GSMRL_EDGE_POS	((uint)0x20000000)
#define SCC_GSMRL_EDGE_BOTH	((uint)0x00000000)
#define SCC_GSMRL_TCI		((uint)0x10000000)
#define SCC_GSMRL_TSNC_3	((uint)0x0c000000)
#define SCC_GSMRL_TSNC_4	((uint)0x08000000)
#define SCC_GSMRL_TSNC_14	((uint)0x04000000)
#define SCC_GSMRL_TSNC_INF	((uint)0x00000000)
#define SCC_GSMRL_RINV		((uint)0x02000000)
#define SCC_GSMRL_TINV		((uint)0x01000000)
#define SCC_GSMRL_TPL_128	((uint)0x00c00000)
#define SCC_GSMRL_TPL_64	((uint)0x00a00000)
#define SCC_GSMRL_TPL_48	((uint)0x00800000)
#define SCC_GSMRL_TPL_32	((uint)0x00600000)
#define SCC_GSMRL_TPL_16	((uint)0x00400000)
#define SCC_GSMRL_TPL_8		((uint)0x00200000)
#define SCC_GSMRL_TPL_NONE	((uint)0x00000000)
#define SCC_GSMRL_TPP_ALL1	((uint)0x00180000)
#define SCC_GSMRL_TPP_01	((uint)0x00100000)
#define SCC_GSMRL_TPP_10	((uint)0x00080000)
#define SCC_GSMRL_TPP_ZEROS	((uint)0x00000000)
#define SCC_GSMRL_TEND		((uint)0x00040000)
#define SCC_GSMRL_TDCR_32	((uint)0x00030000)
#define SCC_GSMRL_TDCR_16	((uint)0x00020000)
#define SCC_GSMRL_TDCR_8	((uint)0x00010000)
#define SCC_GSMRL_TDCR_1	((uint)0x00000000)
#define SCC_GSMRL_RDCR_32	((uint)0x0000c000)
#define SCC_GSMRL_RDCR_16	((uint)0x00008000)
#define SCC_GSMRL_RDCR_8	((uint)0x00004000)
#define SCC_GSMRL_RDCR_1	((uint)0x00000000)
#define SCC_GSMRL_RENC_DFMAN	((uint)0x00003000)
#define SCC_GSMRL_RENC_MANCH	((uint)0x00002000)
#define SCC_GSMRL_RENC_FM0	((uint)0x00001000)
#define SCC_GSMRL_RENC_NRZI	((uint)0x00000800)
#define SCC_GSMRL_RENC_NRZ	((uint)0x00000000)
#define SCC_GSMRL_TENC_DFMAN	((uint)0x00000600)
#define SCC_GSMRL_TENC_MANCH	((uint)0x00000400)
#define SCC_GSMRL_TENC_FM0	((uint)0x00000200)
#define SCC_GSMRL_TENC_NRZI	((uint)0x00000100)
#define SCC_GSMRL_TENC_NRZ	((uint)0x00000000)
#define SCC_GSMRL_DIAG_LE	((uint)0x000000c0)	/* Loop and echo */
#define SCC_GSMRL_DIAG_ECHO	((uint)0x00000080)
#define SCC_GSMRL_DIAG_LOOP	((uint)0x00000040)
#define SCC_GSMRL_DIAG_NORM	((uint)0x00000000)
#define SCC_GSMRL_ENR		((uint)0x00000020)
#define SCC_GSMRL_ENT		((uint)0x00000010)
#define SCC_GSMRL_MODE_ENET	((uint)0x0000000c)
#define SCC_GSMRL_MODE_DDCMP	((uint)0x00000009)
#define SCC_GSMRL_MODE_BISYNC	((uint)0x00000008)
#define SCC_GSMRL_MODE_V14	((uint)0x00000007)
#define SCC_GSMRL_MODE_AHDLC	((uint)0x00000006)
#define SCC_GSMRL_MODE_PROFIBUS	((uint)0x00000005)
#define SCC_GSMRL_MODE_UART	((uint)0x00000004)
#define SCC_GSMRL_MODE_SS7	((uint)0x00000003)
#define SCC_GSMRL_MODE_ATALK	((uint)0x00000002)
#define SCC_GSMRL_MODE_HDLC	((uint)0x00000000)

#define SCC_TODR_TOD		((ushort)0x8000)

/* SCC Event and Mask register.
*/
#define SCCM_TXE	((unsigned char)0x10)
#define SCCM_BSY	((unsigned char)0x04)
#define SCCM_TX		((unsigned char)0x02)
#define SCCM_RX		((unsigned char)0x01)

typedef struct scc_param {
	ushort	scc_rbase;	/* Rx Buffer descriptor base address */
	ushort	scc_tbase;	/* Tx Buffer descriptor base address */
	u_char	scc_rfcr;	/* Rx function code */
	u_char	scc_tfcr;	/* Tx function code */
	ushort	scc_mrblr;	/* Max receive buffer length */
	uint	scc_rstate;	/* Internal */
	uint	scc_idp;	/* Internal */
	ushort	scc_rbptr;	/* Internal */
	ushort	scc_ibc;	/* Internal */
	uint	scc_rxtmp;	/* Internal */
	uint	scc_tstate;	/* Internal */
	uint	scc_tdp;	/* Internal */
	ushort	scc_tbptr;	/* Internal */
	ushort	scc_tbc;	/* Internal */
	uint	scc_txtmp;	/* Internal */
	uint	scc_rcrc;	/* Internal */
	uint	scc_tcrc;	/* Internal */
} sccp_t;

/* CPM Ethernet through SCC1.
 */
typedef struct scc_enet {
	sccp_t	sen_genscc;
	uint	sen_cpres;	/* Preset CRC */
	uint	sen_cmask;	/* Constant mask for CRC */
	uint	sen_crcec;	/* CRC Error counter */
	uint	sen_alec;	/* alignment error counter */
	uint	sen_disfc;	/* discard frame counter */
	ushort	sen_pads;	/* Tx short frame pad character */
	ushort	sen_retlim;	/* Retry limit threshold */
	ushort	sen_retcnt;	/* Retry limit counter */
	ushort	sen_maxflr;	/* maximum frame length register */
	ushort	sen_minflr;	/* minimum frame length register */
	ushort	sen_maxd1;	/* maximum DMA1 length */
	ushort	sen_maxd2;	/* maximum DMA2 length */
	ushort	sen_maxd;	/* Rx max DMA */
	ushort	sen_dmacnt;	/* Rx DMA counter */
	ushort	sen_maxb;	/* Max BD byte count */
	ushort	sen_gaddr1;	/* Group address filter */
	ushort	sen_gaddr2;
	ushort	sen_gaddr3;
	ushort	sen_gaddr4;
	uint	sen_tbuf0data0;	/* Save area 0 - current frame */
	uint	sen_tbuf0data1;	/* Save area 1 - current frame */
	uint	sen_tbuf0rba;	/* Internal */
	uint	sen_tbuf0crc;	/* Internal */
	ushort	sen_tbuf0bcnt;	/* Internal */
	ushort	sen_paddrh;	/* physical address (MSB) */
	ushort	sen_paddrm;
	ushort	sen_paddrl;	/* physical address (LSB) */
	ushort	sen_pper;	/* persistence */
	ushort	sen_rfbdptr;	/* Rx first BD pointer */
	ushort	sen_tfbdptr;	/* Tx first BD pointer */
	ushort	sen_tlbdptr;	/* Tx last BD pointer */
	uint	sen_tbuf1data0;	/* Save area 0 - current frame */
	uint	sen_tbuf1data1;	/* Save area 1 - current frame */
	uint	sen_tbuf1rba;	/* Internal */
	uint	sen_tbuf1crc;	/* Internal */
	ushort	sen_tbuf1bcnt;	/* Internal */
	ushort	sen_txlen;	/* Tx Frame length counter */
	ushort	sen_iaddr1;	/* Individual address filter */
	ushort	sen_iaddr2;
	ushort	sen_iaddr3;
	ushort	sen_iaddr4;
	ushort	sen_boffcnt;	/* Backoff counter */

	/* NOTE: Some versions of the manual have the following items
	 * incorrectly documented.  Below is the proper order.
	 */
	ushort	sen_taddrh;	/* temp address (MSB) */
	ushort	sen_taddrm;
	ushort	sen_taddrl;	/* temp address (LSB) */
} scc_enet_t;


/* SCC Event register as used by Ethernet.
*/
#define SCCE_ENET_GRA	((ushort)0x0080)	/* Graceful stop complete */
#define SCCE_ENET_TXE	((ushort)0x0010)	/* Transmit Error */
#define SCCE_ENET_RXF	((ushort)0x0008)	/* Full frame received */
#define SCCE_ENET_BSY	((ushort)0x0004)	/* All incoming buffers full */
#define SCCE_ENET_TXB	((ushort)0x0002)	/* A buffer was transmitted */
#define SCCE_ENET_RXB	((ushort)0x0001)	/* A buffer was received */

/* SCC Mode Register (PSMR) as used by Ethernet.
*/
#define SCC_PSMR_HBC	((ushort)0x8000)	/* Enable heartbeat */
#define SCC_PSMR_FC	((ushort)0x4000)	/* Force collision */
#define SCC_PSMR_RSH	((ushort)0x2000)	/* Receive short frames */
#define SCC_PSMR_IAM	((ushort)0x1000)	/* Check individual hash */
#define SCC_PSMR_ENCRC	((ushort)0x0800)	/* Ethernet CRC mode */
#define SCC_PSMR_PRO	((ushort)0x0200)	/* Promiscuous mode */
#define SCC_PSMR_BRO	((ushort)0x0100)	/* Catch broadcast pkts */
#define SCC_PSMR_SBT	((ushort)0x0080)	/* Special backoff timer */
#define SCC_PSMR_LPB	((ushort)0x0040)	/* Set Loopback mode */
#define SCC_PSMR_SIP	((ushort)0x0020)	/* Sample Input Pins */
#define SCC_PSMR_LCW	((ushort)0x0010)	/* Late collision window */
#define SCC_PSMR_NIB22	((ushort)0x000a)	/* Start frame search */
#define SCC_PSMR_FDE	((ushort)0x0001)	/* Full duplex enable */

/* Buffer descriptor control/status used by Ethernet receive.
 * Common to SCC and FCC.
 */
#define BD_ENET_RX_EMPTY	((ushort)0x8000)
#define BD_ENET_RX_WRAP		((ushort)0x2000)
#define BD_ENET_RX_INTR		((ushort)0x1000)
#define BD_ENET_RX_LAST		((ushort)0x0800)
#define BD_ENET_RX_FIRST	((ushort)0x0400)
#define BD_ENET_RX_MISS		((ushort)0x0100)
#define BD_ENET_RX_BC		((ushort)0x0080)	/* FCC Only */
#define BD_ENET_RX_MC		((ushort)0x0040)	/* FCC Only */
#define BD_ENET_RX_LG		((ushort)0x0020)
#define BD_ENET_RX_NO		((ushort)0x0010)
#define BD_ENET_RX_SH		((ushort)0x0008)
#define BD_ENET_RX_CR		((ushort)0x0004)
#define BD_ENET_RX_OV		((ushort)0x0002)
#define BD_ENET_RX_CL		((ushort)0x0001)
#define BD_ENET_RX_STATS	((ushort)0x01ff)	/* All status bits */

/* Buffer descriptor control/status used by Ethernet transmit.
 * Common to SCC and FCC.
 */
#define BD_ENET_TX_READY	((ushort)0x8000)
#define BD_ENET_TX_PAD		((ushort)0x4000)
#define BD_ENET_TX_WRAP		((ushort)0x2000)
#define BD_ENET_TX_INTR		((ushort)0x1000)
#define BD_ENET_TX_LAST		((ushort)0x0800)
#define BD_ENET_TX_TC		((ushort)0x0400)
#define BD_ENET_TX_DEF		((ushort)0x0200)
#define BD_ENET_TX_HB		((ushort)0x0100)
#define BD_ENET_TX_LC		((ushort)0x0080)
#define BD_ENET_TX_RL		((ushort)0x0040)
#define BD_ENET_TX_RCMASK	((ushort)0x003c)
#define BD_ENET_TX_UN		((ushort)0x0002)
#define BD_ENET_TX_CSL		((ushort)0x0001)
#define BD_ENET_TX_STATS	((ushort)0x03ff)	/* All status bits */

/* SCC as UART
*/
typedef struct scc_uart {
	sccp_t	scc_genscc;
	uint	scc_res1;	/* Reserved */
	uint	scc_res2;	/* Reserved */
	ushort	scc_maxidl;	/* Maximum idle chars */
	ushort	scc_idlc;	/* temp idle counter */
	ushort	scc_brkcr;	/* Break count register */
	ushort	scc_parec;	/* receive parity error counter */
	ushort	scc_frmec;	/* receive framing error counter */
	ushort	scc_nosec;	/* receive noise counter */
	ushort	scc_brkec;	/* receive break condition counter */
	ushort	scc_brkln;	/* last received break length */
	ushort	scc_uaddr1;	/* UART address character 1 */
	ushort	scc_uaddr2;	/* UART address character 2 */
	ushort	scc_rtemp;	/* Temp storage */
	ushort	scc_toseq;	/* Transmit out of sequence char */
	ushort	scc_char1;	/* control character 1 */
	ushort	scc_char2;	/* control character 2 */
	ushort	scc_char3;	/* control character 3 */
	ushort	scc_char4;	/* control character 4 */
	ushort	scc_char5;	/* control character 5 */
	ushort	scc_char6;	/* control character 6 */
	ushort	scc_char7;	/* control character 7 */
	ushort	scc_char8;	/* control character 8 */
	ushort	scc_rccm;	/* receive control character mask */
	ushort	scc_rccr;	/* receive control character register */
	ushort	scc_rlbc;	/* receive last break character */
} scc_uart_t;

/* SCC Event and Mask registers when it is used as a UART.
*/
#define UART_SCCM_GLR		((ushort)0x1000)
#define UART_SCCM_GLT		((ushort)0x0800)
#define UART_SCCM_AB		((ushort)0x0200)
#define UART_SCCM_IDL		((ushort)0x0100)
#define UART_SCCM_GRA		((ushort)0x0080)
#define UART_SCCM_BRKE		((ushort)0x0040)
#define UART_SCCM_BRKS		((ushort)0x0020)
#define UART_SCCM_CCR		((ushort)0x0008)
#define UART_SCCM_BSY		((ushort)0x0004)
#define UART_SCCM_TX		((ushort)0x0002)
#define UART_SCCM_RX		((ushort)0x0001)

/* The SCC PSMR when used as a UART.
*/
#define SCU_PSMR_FLC		((ushort)0x8000)
#define SCU_PSMR_SL		((ushort)0x4000)
#define SCU_PSMR_CL		((ushort)0x3000)
#define SCU_PSMR_UM		((ushort)0x0c00)
#define SCU_PSMR_FRZ		((ushort)0x0200)
#define SCU_PSMR_RZS		((ushort)0x0100)
#define SCU_PSMR_SYN		((ushort)0x0080)
#define SCU_PSMR_DRT		((ushort)0x0040)
#define SCU_PSMR_PEN		((ushort)0x0010)
#define SCU_PSMR_RPM		((ushort)0x000c)
#define SCU_PSMR_REVP		((ushort)0x0008)
#define SCU_PSMR_TPM		((ushort)0x0003)
#define SCU_PSMR_TEVP		((ushort)0x0002)

/* CPM Transparent mode SCC.
 */
typedef struct scc_trans {
	sccp_t	st_genscc;
	uint	st_cpres;	/* Preset CRC */
	uint	st_cmask;	/* Constant mask for CRC */
} scc_trans_t;

#define BD_SCC_TX_LAST		((ushort)0x0800)

/* How about some FCCs.....
*/
#define FCC_GFMR_DIAG_NORM	((uint)0x00000000)
#define FCC_GFMR_DIAG_LE	((uint)0x40000000)
#define FCC_GFMR_DIAG_AE	((uint)0x80000000)
#define FCC_GFMR_DIAG_ALE	((uint)0xc0000000)
#define FCC_GFMR_TCI		((uint)0x20000000)
#define FCC_GFMR_TRX		((uint)0x10000000)
#define FCC_GFMR_TTX		((uint)0x08000000)
#define FCC_GFMR_TTX		((uint)0x08000000)
#define FCC_GFMR_CDP		((uint)0x04000000)
#define FCC_GFMR_CTSP		((uint)0x02000000)
#define FCC_GFMR_CDS		((uint)0x01000000)
#define FCC_GFMR_CTSS		((uint)0x00800000)
#define FCC_GFMR_SYNL_NONE	((uint)0x00000000)
#define FCC_GFMR_SYNL_AUTO	((uint)0x00004000)
#define FCC_GFMR_SYNL_8		((uint)0x00008000)
#define FCC_GFMR_SYNL_16	((uint)0x0000c000)
#define FCC_GFMR_RTSM		((uint)0x00002000)
#define FCC_GFMR_RENC_NRZ	((uint)0x00000000)
#define FCC_GFMR_RENC_NRZI	((uint)0x00000800)
#define FCC_GFMR_REVD		((uint)0x00000400)
#define FCC_GFMR_TENC_NRZ	((uint)0x00000000)
#define FCC_GFMR_TENC_NRZI	((uint)0x00000100)
#define FCC_GFMR_TCRC_16	((uint)0x00000000)
#define FCC_GFMR_TCRC_32	((uint)0x00000080)
#define FCC_GFMR_ENR		((uint)0x00000020)
#define FCC_GFMR_ENT		((uint)0x00000010)
#define FCC_GFMR_MODE_ENET	((uint)0x0000000c)
#define FCC_GFMR_MODE_ATM	((uint)0x0000000a)
#define FCC_GFMR_MODE_HDLC	((uint)0x00000000)

/* Generic FCC parameter ram.
*/
typedef struct fcc_param {
	ushort	fcc_riptr;	/* Rx Internal temp pointer */
	ushort	fcc_tiptr;	/* Tx Internal temp pointer */
	ushort	fcc_res1;
	ushort	fcc_mrblr;	/* Max receive buffer length, mod 32 bytes */
	uint	fcc_rstate;	/* Upper byte is Func code, must be set */
	uint	fcc_rbase;	/* Receive BD base */
	ushort	fcc_rbdstat;	/* RxBD status */
	ushort	fcc_rbdlen;	/* RxBD down counter */
	uint	fcc_rdptr;	/* RxBD internal data pointer */
	uint	fcc_tstate;	/* Upper byte is Func code, must be set */
	uint	fcc_tbase;	/* Transmit BD base */
	ushort	fcc_tbdstat;	/* TxBD status */
	ushort	fcc_tbdlen;	/* TxBD down counter */
	uint	fcc_tdptr;	/* TxBD internal data pointer */
	uint	fcc_rbptr;	/* Rx BD Internal buf pointer */
	uint	fcc_tbptr;	/* Tx BD Internal buf pointer */
	uint	fcc_rcrc;	/* Rx temp CRC */
	uint	fcc_res2;
	uint	fcc_tcrc;	/* Tx temp CRC */
} fccp_t;


/* Ethernet controller through FCC.
*/
typedef struct fcc_enet {
	fccp_t	fen_genfcc;
	uint	fen_statbuf;	/* Internal status buffer */
	uint	fen_camptr;	/* CAM address */
	uint	fen_cmask;	/* Constant mask for CRC */
	uint	fen_cpres;	/* Preset CRC */
	uint	fen_crcec;	/* CRC Error counter */
	uint	fen_alec;	/* alignment error counter */
	uint	fen_disfc;	/* discard frame counter */
	ushort	fen_retlim;	/* Retry limit */
	ushort	fen_retcnt;	/* Retry counter */
	ushort	fen_pper;	/* Persistence */
	ushort	fen_boffcnt;	/* backoff counter */
	uint	fen_gaddrh;	/* Group address filter, high 32-bits */
	uint	fen_gaddrl;	/* Group address filter, low 32-bits */
	ushort	fen_tfcstat;	/* out of sequence TxBD */
	ushort	fen_tfclen;
	uint	fen_tfcptr;
	ushort	fen_mflr;	/* Maximum frame length (1518) */
	ushort	fen_paddrh;	/* MAC address */
	ushort	fen_paddrm;
	ushort	fen_paddrl;
	ushort	fen_ibdcount;	/* Internal BD counter */
	ushort	fen_ibdstart;	/* Internal BD start pointer */
	ushort	fen_ibdend;	/* Internal BD end pointer */
	ushort	fen_txlen;	/* Internal Tx frame length counter */
	uint	fen_ibdbase[8]; /* Internal use */
	uint	fen_iaddrh;	/* Individual address filter */
	uint	fen_iaddrl;
	ushort	fen_minflr;	/* Minimum frame length (64) */
	ushort	fen_taddrh;	/* Filter transfer MAC address */
	ushort	fen_taddrm;
	ushort	fen_taddrl;
	ushort	fen_padptr;	/* Pointer to pad byte buffer */
	ushort	fen_cftype;	/* control frame type */
	ushort	fen_cfrange;	/* control frame range */
	ushort	fen_maxb;	/* maximum BD count */
	ushort	fen_maxd1;	/* Max DMA1 length (1520) */
	ushort	fen_maxd2;	/* Max DMA2 length (1520) */
	ushort	fen_maxd;	/* internal max DMA count */
	ushort	fen_dmacnt;	/* internal DMA counter */
	uint	fen_octc;	/* Total octect counter */
	uint	fen_colc;	/* Total collision counter */
	uint	fen_broc;	/* Total broadcast packet counter */
	uint	fen_mulc;	/* Total multicast packet count */
	uint	fen_uspc;	/* Total packets < 64 bytes */
	uint	fen_frgc;	/* Total packets < 64 bytes with errors */
	uint	fen_ospc;	/* Total packets > 1518 */
	uint	fen_jbrc;	/* Total packets > 1518 with errors */
	uint	fen_p64c;	/* Total packets == 64 bytes */
	uint	fen_p65c;	/* Total packets 64 < bytes <= 127 */
	uint	fen_p128c;	/* Total packets 127 < bytes <= 255 */
	uint	fen_p256c;	/* Total packets 256 < bytes <= 511 */
	uint	fen_p512c;	/* Total packets 512 < bytes <= 1023 */
	uint	fen_p1024c;	/* Total packets 1024 < bytes <= 1518 */
	uint	fen_cambuf;	/* Internal CAM buffer poiner */
	ushort	fen_rfthr;	/* Received frames threshold */
	ushort	fen_rfcnt;	/* Received frames count */
} fcc_enet_t;

/* FCC Event/Mask register as used by Ethernet.
*/
#define FCC_ENET_GRA	((ushort)0x0080)	/* Graceful stop complete */
#define FCC_ENET_RXC	((ushort)0x0040)	/* Control Frame Received */
#define FCC_ENET_TXC	((ushort)0x0020)	/* Out of seq. Tx sent */
#define FCC_ENET_TXE	((ushort)0x0010)	/* Transmit Error */
#define FCC_ENET_RXF	((ushort)0x0008)	/* Full frame received */
#define FCC_ENET_BSY	((ushort)0x0004)	/* Busy.  Rx Frame dropped */
#define FCC_ENET_TXB	((ushort)0x0002)	/* A buffer was transmitted */
#define FCC_ENET_RXB	((ushort)0x0001)	/* A buffer was received */

/* FCC Mode Register (FPSMR) as used by Ethernet.
*/
#define FCC_PSMR_HBC	((uint)0x80000000)	/* Enable heartbeat */
#define FCC_PSMR_FC	((uint)0x40000000)	/* Force Collision */
#define FCC_PSMR_SBT	((uint)0x20000000)	/* Stop backoff timer */
#define FCC_PSMR_LPB	((uint)0x10000000)	/* Local protect. 1 = FDX */
#define FCC_PSMR_LCW	((uint)0x08000000)	/* Late collision select */
#define FCC_PSMR_FDE	((uint)0x04000000)	/* Full Duplex Enable */
#define FCC_PSMR_MON	((uint)0x02000000)	/* RMON Enable */
#define FCC_PSMR_PRO	((uint)0x00400000)	/* Promiscuous Enable */
#define FCC_PSMR_FCE	((uint)0x00200000)	/* Flow Control Enable */
#define FCC_PSMR_RSH	((uint)0x00100000)	/* Receive Short Frames */
#define FCC_PSMR_CAM	((uint)0x00000400)	/* CAM enable */
#define FCC_PSMR_BRO	((uint)0x00000200)	/* Broadcast pkt discard */
#define FCC_PSMR_ENCRC	((uint)0x00000080)	/* Use 32-bit CRC */

/* IIC parameter RAM.
*/
typedef struct iic {
	ushort	iic_rbase;	/* Rx Buffer descriptor base address */
	ushort	iic_tbase;	/* Tx Buffer descriptor base address */
	u_char	iic_rfcr;	/* Rx function code */
	u_char	iic_tfcr;	/* Tx function code */
	ushort	iic_mrblr;	/* Max receive buffer length */
	uint	iic_rstate;	/* Internal */
	uint	iic_rdp;	/* Internal */
	ushort	iic_rbptr;	/* Internal */
	ushort	iic_rbc;	/* Internal */
	uint	iic_rxtmp;	/* Internal */
	uint	iic_tstate;	/* Internal */
	uint	iic_tdp;	/* Internal */
	ushort	iic_tbptr;	/* Internal */
	ushort	iic_tbc;	/* Internal */
	uint	iic_txtmp;	/* Internal */
} iic_t;

/* SPI parameter RAM.
*/
typedef struct spi {
	ushort	spi_rbase;	/* Rx Buffer descriptor base address */
	ushort	spi_tbase;	/* Tx Buffer descriptor base address */
	u_char	spi_rfcr;	/* Rx function code */
	u_char	spi_tfcr;	/* Tx function code */
	ushort	spi_mrblr;	/* Max receive buffer length */
	uint	spi_rstate;	/* Internal */
	uint	spi_rdp;	/* Internal */
	ushort	spi_rbptr;	/* Internal */
	ushort	spi_rbc;	/* Internal */
	uint	spi_rxtmp;	/* Internal */
	uint	spi_tstate;	/* Internal */
	uint	spi_tdp;	/* Internal */
	ushort	spi_tbptr;	/* Internal */
	ushort	spi_tbc;	/* Internal */
	uint	spi_txtmp;	/* Internal */
	uint	spi_res;	/* Tx temp. */
	uint	spi_res1[4];	/* SDMA temp. */
} spi_t;

/* SPI Mode register.
*/
#define SPMODE_LOOP	((ushort)0x4000)	/* Loopback */
#define SPMODE_CI	((ushort)0x2000)	/* Clock Invert */
#define SPMODE_CP	((ushort)0x1000)	/* Clock Phase */
#define SPMODE_DIV16	((ushort)0x0800)	/* BRG/16 mode */
#define SPMODE_REV	((ushort)0x0400)	/* Reversed Data */
#define SPMODE_MSTR	((ushort)0x0200)	/* SPI Master */
#define SPMODE_EN	((ushort)0x0100)	/* Enable */
#define SPMODE_LENMSK	((ushort)0x00f0)	/* character length */
#define SPMODE_PMMSK	((ushort)0x000f)	/* prescale modulus */

#define SPMODE_LEN(x)	((((x)-1)&0xF)<<4)
#define SPMODE_PM(x)	((x) &0xF)

#define SPI_EB		((u_char)0x10)		/* big endian byte order */

#define BD_IIC_START		((ushort)0x0400)

/* IDMA parameter RAM
*/
typedef struct idma {
	ushort ibase;		/* IDMA buffer descriptor table base address */
	ushort dcm;		/* DMA channel mode */
	ushort ibdptr;		/* IDMA current buffer descriptor pointer */
	ushort dpr_buf;		/* IDMA transfer buffer base address */
	ushort buf_inv;		/* internal buffer inventory */
	ushort ss_max;		/* steady-state maximum transfer size */
	ushort dpr_in_ptr;	/* write pointer inside the internal buffer */
	ushort sts;		/* source transfer size */
	ushort dpr_out_ptr;	/* read pointer inside the internal buffer */
	ushort seob;		/* source end of burst */
	ushort deob;		/* destination end of burst */
	ushort dts;		/* destination transfer size */
	ushort ret_add;		/* return address when working in ERM=1 mode */
	ushort res0;		/* reserved */
	uint   bd_cnt;		/* internal byte count */
	uint   s_ptr;		/* source internal data pointer */
	uint   d_ptr;		/* destination internal data pointer */
	uint   istate;		/* internal state */
	u_char res1[20];	/* pad to 64-byte length */
} idma_t;

/* DMA channel mode bit fields
*/
#define IDMA_DCM_FB		((ushort)0x8000) /* fly-by mode */
#define IDMA_DCM_LP		((ushort)0x4000) /* low priority */
#define IDMA_DCM_TC2		((ushort)0x0400) /* value driven on TC[2] */
#define IDMA_DCM_DMA_WRAP_MASK	((ushort)0x01c0) /* mask for DMA wrap */
#define IDMA_DCM_DMA_WRAP_64	((ushort)0x0000) /* 64-byte DMA xfer buffer */
#define IDMA_DCM_DMA_WRAP_128	((ushort)0x0040) /* 128-byte DMA xfer buffer */
#define IDMA_DCM_DMA_WRAP_256	((ushort)0x0080) /* 256-byte DMA xfer buffer */
#define IDMA_DCM_DMA_WRAP_512	((ushort)0x00c0) /* 512-byte DMA xfer buffer */
#define IDMA_DCM_DMA_WRAP_1024	((ushort)0x0100) /* 1024-byte DMA xfer buffer */
#define IDMA_DCM_DMA_WRAP_2048	((ushort)0x0140) /* 2048-byte DMA xfer buffer */
#define IDMA_DCM_SINC		((ushort)0x0020) /* source inc addr */
#define IDMA_DCM_DINC		((ushort)0x0010) /* destination inc addr */
#define IDMA_DCM_ERM		((ushort)0x0008) /* external request mode */
#define IDMA_DCM_DT		((ushort)0x0004) /* DONE treatment */
#define IDMA_DCM_SD_MASK	((ushort)0x0003) /* mask for SD bit field */
#define IDMA_DCM_SD_MEM2MEM	((ushort)0x0000) /* memory-to-memory xfer */
#define IDMA_DCM_SD_PER2MEM	((ushort)0x0002) /* peripheral-to-memory xfer */
#define IDMA_DCM_SD_MEM2PER	((ushort)0x0001) /* memory-to-peripheral xfer */

/* IDMA Buffer Descriptors
*/
typedef struct idma_bd {
	uint flags;
	uint len;	/* data length */
	uint src;	/* source data buffer pointer */
	uint dst;	/* destination data buffer pointer */
} idma_bd_t;

/* IDMA buffer descriptor flag bit fields
*/
#define IDMA_BD_V	((uint)0x80000000)	/* valid */
#define IDMA_BD_W	((uint)0x20000000)	/* wrap */
#define IDMA_BD_I	((uint)0x10000000)	/* interrupt */
#define IDMA_BD_L	((uint)0x08000000)	/* last */
#define IDMA_BD_CM	((uint)0x02000000)	/* continuous mode */
#define IDMA_BD_SDN	((uint)0x00400000)	/* source done */
#define IDMA_BD_DDN	((uint)0x00200000)	/* destination done */
#define IDMA_BD_DGBL	((uint)0x00100000)	/* destination global */
#define IDMA_BD_DBO_LE	((uint)0x00040000)	/* little-end dest byte order */
#define IDMA_BD_DBO_BE	((uint)0x00080000)	/* big-end dest byte order */
#define IDMA_BD_DDTB	((uint)0x00010000)	/* destination data bus */
#define IDMA_BD_SGBL	((uint)0x00002000)	/* source global */
#define IDMA_BD_SBO_LE	((uint)0x00000800)	/* little-end src byte order */
#define IDMA_BD_SBO_BE	((uint)0x00001000)	/* big-end src byte order */
#define IDMA_BD_SDTB	((uint)0x00000200)	/* source data bus */

/* per-channel IDMA registers
*/
typedef struct im_idma {
	u_char idsr;			/* IDMAn event status register */
	u_char res0[3];
	u_char idmr;			/* IDMAn event mask register */
	u_char res1[3];
} im_idma_t;

/* IDMA event register bit fields
*/
#define IDMA_EVENT_SC	((unsigned char)0x08)	/* stop completed */
#define IDMA_EVENT_OB	((unsigned char)0x04)	/* out of buffers */
#define IDMA_EVENT_EDN	((unsigned char)0x02)	/* external DONE asserted */
#define IDMA_EVENT_BC	((unsigned char)0x01)	/* buffer descriptor complete */

/* RISC Controller Configuration Register (RCCR) bit fields
*/
#define RCCR_TIME	((uint)0x80000000) /* timer enable */
#define RCCR_TIMEP_MASK	((uint)0x3f000000) /* mask for timer period bit field */
#define RCCR_DR0M	((uint)0x00800000) /* IDMA0 request mode */
#define RCCR_DR1M	((uint)0x00400000) /* IDMA1 request mode */
#define RCCR_DR2M	((uint)0x00000080) /* IDMA2 request mode */
#define RCCR_DR3M	((uint)0x00000040) /* IDMA3 request mode */
#define RCCR_DR0QP_MASK	((uint)0x00300000) /* mask for IDMA0 req priority */
#define RCCR_DR0QP_HIGH ((uint)0x00000000) /* IDMA0 has high req priority */
#define RCCR_DR0QP_MED	((uint)0x00100000) /* IDMA0 has medium req priority */
#define RCCR_DR0QP_LOW	((uint)0x00200000) /* IDMA0 has low req priority */
#define RCCR_DR1QP_MASK	((uint)0x00030000) /* mask for IDMA1 req priority */
#define RCCR_DR1QP_HIGH ((uint)0x00000000) /* IDMA1 has high req priority */
#define RCCR_DR1QP_MED	((uint)0x00010000) /* IDMA1 has medium req priority */
#define RCCR_DR1QP_LOW	((uint)0x00020000) /* IDMA1 has low req priority */
#define RCCR_DR2QP_MASK	((uint)0x00000030) /* mask for IDMA2 req priority */
#define RCCR_DR2QP_HIGH ((uint)0x00000000) /* IDMA2 has high req priority */
#define RCCR_DR2QP_MED	((uint)0x00000010) /* IDMA2 has medium req priority */
#define RCCR_DR2QP_LOW	((uint)0x00000020) /* IDMA2 has low req priority */
#define RCCR_DR3QP_MASK	((uint)0x00000003) /* mask for IDMA3 req priority */
#define RCCR_DR3QP_HIGH ((uint)0x00000000) /* IDMA3 has high req priority */
#define RCCR_DR3QP_MED	((uint)0x00000001) /* IDMA3 has medium req priority */
#define RCCR_DR3QP_LOW	((uint)0x00000002) /* IDMA3 has low req priority */
#define RCCR_EIE	((uint)0x00080000) /* external interrupt enable */
#define RCCR_SCD	((uint)0x00040000) /* scheduler configuration */
#define RCCR_ERAM_MASK	((uint)0x0000e000) /* mask for enable RAM microcode */
#define RCCR_ERAM_0KB	((uint)0x00000000) /* use 0KB of dpram for microcode */
#define RCCR_ERAM_2KB	((uint)0x00002000) /* use 2KB of dpram for microcode */
#define RCCR_ERAM_4KB	((uint)0x00004000) /* use 4KB of dpram for microcode */
#define RCCR_ERAM_6KB	((uint)0x00006000) /* use 6KB of dpram for microcode */
#define RCCR_ERAM_8KB	((uint)0x00008000) /* use 8KB of dpram for microcode */
#define RCCR_ERAM_10KB	((uint)0x0000a000) /* use 10KB of dpram for microcode */
#define RCCR_ERAM_12KB	((uint)0x0000c000) /* use 12KB of dpram for microcode */
#define RCCR_EDM0	((uint)0x00000800) /* DREQ0 edge detect mode */
#define RCCR_EDM1	((uint)0x00000400) /* DREQ1 edge detect mode */
#define RCCR_EDM2	((uint)0x00000200) /* DREQ2 edge detect mode */
#define RCCR_EDM3	((uint)0x00000100) /* DREQ3 edge detect mode */
#define RCCR_DEM01	((uint)0x00000008) /* DONE0/DONE1 edge detect mode */
#define RCCR_DEM23	((uint)0x00000004) /* DONE2/DONE3 edge detect mode */

/*-----------------------------------------------------------------------
 * CMXFCR - CMX FCC Clock Route Register
 */
#define CMXFCR_FC1         0x40000000   /* FCC1 connection              */
#define CMXFCR_RF1CS_MSK   0x38000000   /* Receive FCC1 Clock Source Mask */
#define CMXFCR_TF1CS_MSK   0x07000000   /* Transmit FCC1 Clock Source Mask */
#define CMXFCR_FC2         0x00400000   /* FCC2 connection              */
#define CMXFCR_RF2CS_MSK   0x00380000   /* Receive FCC2 Clock Source Mask */
#define CMXFCR_TF2CS_MSK   0x00070000   /* Transmit FCC2 Clock Source Mask */
#define CMXFCR_FC3         0x00004000   /* FCC3 connection              */
#define CMXFCR_RF3CS_MSK   0x00003800   /* Receive FCC3 Clock Source Mask */
#define CMXFCR_TF3CS_MSK   0x00000700   /* Transmit FCC3 Clock Source Mask */

#define CMXFCR_RF1CS_BRG5  0x00000000   /* Receive FCC1 Clock Source is BRG5 */
#define CMXFCR_RF1CS_BRG6  0x08000000   /* Receive FCC1 Clock Source is BRG6 */
#define CMXFCR_RF1CS_BRG7  0x10000000   /* Receive FCC1 Clock Source is BRG7 */
#define CMXFCR_RF1CS_BRG8  0x18000000   /* Receive FCC1 Clock Source is BRG8 */
#define CMXFCR_RF1CS_CLK9  0x20000000   /* Receive FCC1 Clock Source is CLK9 */
#define CMXFCR_RF1CS_CLK10 0x28000000   /* Receive FCC1 Clock Source is CLK10 */
#define CMXFCR_RF1CS_CLK11 0x30000000   /* Receive FCC1 Clock Source is CLK11 */
#define CMXFCR_RF1CS_CLK12 0x38000000   /* Receive FCC1 Clock Source is CLK12 */

#define CMXFCR_TF1CS_BRG5  0x00000000   /* Transmit FCC1 Clock Source is BRG5 */
#define CMXFCR_TF1CS_BRG6  0x01000000   /* Transmit FCC1 Clock Source is BRG6 */
#define CMXFCR_TF1CS_BRG7  0x02000000   /* Transmit FCC1 Clock Source is BRG7 */
#define CMXFCR_TF1CS_BRG8  0x03000000   /* Transmit FCC1 Clock Source is BRG8 */
#define CMXFCR_TF1CS_CLK9  0x04000000   /* Transmit FCC1 Clock Source is CLK9 */
#define CMXFCR_TF1CS_CLK10 0x05000000   /* Transmit FCC1 Clock Source is CLK10 */
#define CMXFCR_TF1CS_CLK11 0x06000000   /* Transmit FCC1 Clock Source is CLK11 */
#define CMXFCR_TF1CS_CLK12 0x07000000   /* Transmit FCC1 Clock Source is CLK12 */

#define CMXFCR_RF2CS_BRG5  0x00000000   /* Receive FCC2 Clock Source is BRG5 */
#define CMXFCR_RF2CS_BRG6  0x00080000   /* Receive FCC2 Clock Source is BRG6 */
#define CMXFCR_RF2CS_BRG7  0x00100000   /* Receive FCC2 Clock Source is BRG7 */
#define CMXFCR_RF2CS_BRG8  0x00180000   /* Receive FCC2 Clock Source is BRG8 */
#define CMXFCR_RF2CS_CLK13 0x00200000   /* Receive FCC2 Clock Source is CLK13 */
#define CMXFCR_RF2CS_CLK14 0x00280000   /* Receive FCC2 Clock Source is CLK14 */
#define CMXFCR_RF2CS_CLK15 0x00300000   /* Receive FCC2 Clock Source is CLK15 */
#define CMXFCR_RF2CS_CLK16 0x00380000   /* Receive FCC2 Clock Source is CLK16 */

#define CMXFCR_TF2CS_BRG5  0x00000000   /* Transmit FCC2 Clock Source is BRG5 */
#define CMXFCR_TF2CS_BRG6  0x00010000   /* Transmit FCC2 Clock Source is BRG6 */
#define CMXFCR_TF2CS_BRG7  0x00020000   /* Transmit FCC2 Clock Source is BRG7 */
#define CMXFCR_TF2CS_BRG8  0x00030000   /* Transmit FCC2 Clock Source is BRG8 */
#define CMXFCR_TF2CS_CLK13 0x00040000   /* Transmit FCC2 Clock Source is CLK13 */
#define CMXFCR_TF2CS_CLK14 0x00050000   /* Transmit FCC2 Clock Source is CLK14 */
#define CMXFCR_TF2CS_CLK15 0x00060000   /* Transmit FCC2 Clock Source is CLK15 */
#define CMXFCR_TF2CS_CLK16 0x00070000   /* Transmit FCC2 Clock Source is CLK16 */

#define CMXFCR_RF3CS_BRG5  0x00000000   /* Receive FCC3 Clock Source is BRG5 */
#define CMXFCR_RF3CS_BRG6  0x00000800   /* Receive FCC3 Clock Source is BRG6 */
#define CMXFCR_RF3CS_BRG7  0x00001000   /* Receive FCC3 Clock Source is BRG7 */
#define CMXFCR_RF3CS_BRG8  0x00001800   /* Receive FCC3 Clock Source is BRG8 */
#define CMXFCR_RF3CS_CLK13 0x00002000   /* Receive FCC3 Clock Source is CLK13 */
#define CMXFCR_RF3CS_CLK14 0x00002800   /* Receive FCC3 Clock Source is CLK14 */
#define CMXFCR_RF3CS_CLK15 0x00003000   /* Receive FCC3 Clock Source is CLK15 */
#define CMXFCR_RF3CS_CLK16 0x00003800   /* Receive FCC3 Clock Source is CLK16 */

#define CMXFCR_TF3CS_BRG5  0x00000000   /* Transmit FCC3 Clock Source is BRG5 */
#define CMXFCR_TF3CS_BRG6  0x00000100   /* Transmit FCC3 Clock Source is BRG6 */
#define CMXFCR_TF3CS_BRG7  0x00000200   /* Transmit FCC3 Clock Source is BRG7 */
#define CMXFCR_TF3CS_BRG8  0x00000300   /* Transmit FCC3 Clock Source is BRG8 */
#define CMXFCR_TF3CS_CLK13 0x00000400   /* Transmit FCC3 Clock Source is CLK13 */
#define CMXFCR_TF3CS_CLK14 0x00000500   /* Transmit FCC3 Clock Source is CLK14 */
#define CMXFCR_TF3CS_CLK15 0x00000600   /* Transmit FCC3 Clock Source is CLK15 */
#define CMXFCR_TF3CS_CLK16 0x00000700   /* Transmit FCC3 Clock Source is CLK16 */

/*-----------------------------------------------------------------------
 * CMXSCR - CMX SCC Clock Route Register
 */
#define CMXSCR_GR1         0x80000000   /* Grant Support of SCC1        */
#define CMXSCR_SC1         0x40000000   /* SCC1 connection              */
#define CMXSCR_RS1CS_MSK   0x38000000   /* Receive SCC1 Clock Source Mask */
#define CMXSCR_TS1CS_MSK   0x07000000   /* Transmit SCC1 Clock Source Mask */
#define CMXSCR_GR2         0x00800000   /* Grant Support of SCC2        */
#define CMXSCR_SC2         0x00400000   /* SCC2 connection              */
#define CMXSCR_RS2CS_MSK   0x00380000   /* Receive SCC2 Clock Source Mask */
#define CMXSCR_TS2CS_MSK   0x00070000   /* Transmit SCC2 Clock Source Mask */
#define CMXSCR_GR3         0x00008000   /* Grant Support of SCC3        */
#define CMXSCR_SC3         0x00004000   /* SCC3 connection              */
#define CMXSCR_RS3CS_MSK   0x00003800   /* Receive SCC3 Clock Source Mask */
#define CMXSCR_TS3CS_MSK   0x00000700   /* Transmit SCC3 Clock Source Mask */
#define CMXSCR_GR4         0x00000080   /* Grant Support of SCC4        */
#define CMXSCR_SC4         0x00000040   /* SCC4 connection              */
#define CMXSCR_RS4CS_MSK   0x00000038   /* Receive SCC4 Clock Source Mask */
#define CMXSCR_TS4CS_MSK   0x00000007   /* Transmit SCC4 Clock Source Mask */

#define CMXSCR_RS1CS_BRG1  0x00000000   /* SCC1 Rx Clock Source is BRG1 */
#define CMXSCR_RS1CS_BRG2  0x08000000   /* SCC1 Rx Clock Source is BRG2 */
#define CMXSCR_RS1CS_BRG3  0x10000000   /* SCC1 Rx Clock Source is BRG3 */
#define CMXSCR_RS1CS_BRG4  0x18000000   /* SCC1 Rx Clock Source is BRG4 */
#define CMXSCR_RS1CS_CLK11 0x20000000   /* SCC1 Rx Clock Source is CLK11 */
#define CMXSCR_RS1CS_CLK12 0x28000000   /* SCC1 Rx Clock Source is CLK12 */
#define CMXSCR_RS1CS_CLK3  0x30000000   /* SCC1 Rx Clock Source is CLK3 */
#define CMXSCR_RS1CS_CLK4  0x38000000   /* SCC1 Rx Clock Source is CLK4 */

#define CMXSCR_TS1CS_BRG1  0x00000000   /* SCC1 Tx Clock Source is BRG1 */
#define CMXSCR_TS1CS_BRG2  0x01000000   /* SCC1 Tx Clock Source is BRG2 */
#define CMXSCR_TS1CS_BRG3  0x02000000   /* SCC1 Tx Clock Source is BRG3 */
#define CMXSCR_TS1CS_BRG4  0x03000000   /* SCC1 Tx Clock Source is BRG4 */
#define CMXSCR_TS1CS_CLK11 0x04000000   /* SCC1 Tx Clock Source is CLK11 */
#define CMXSCR_TS1CS_CLK12 0x05000000   /* SCC1 Tx Clock Source is CLK12 */
#define CMXSCR_TS1CS_CLK3  0x06000000   /* SCC1 Tx Clock Source is CLK3 */
#define CMXSCR_TS1CS_CLK4  0x07000000   /* SCC1 Tx Clock Source is CLK4 */

#define CMXSCR_RS2CS_BRG1  0x00000000   /* SCC2 Rx Clock Source is BRG1 */
#define CMXSCR_RS2CS_BRG2  0x00080000   /* SCC2 Rx Clock Source is BRG2 */
#define CMXSCR_RS2CS_BRG3  0x00100000   /* SCC2 Rx Clock Source is BRG3 */
#define CMXSCR_RS2CS_BRG4  0x00180000   /* SCC2 Rx Clock Source is BRG4 */
#define CMXSCR_RS2CS_CLK11 0x00200000   /* SCC2 Rx Clock Source is CLK11 */
#define CMXSCR_RS2CS_CLK12 0x00280000   /* SCC2 Rx Clock Source is CLK12 */
#define CMXSCR_RS2CS_CLK3  0x00300000   /* SCC2 Rx Clock Source is CLK3 */
#define CMXSCR_RS2CS_CLK4  0x00380000   /* SCC2 Rx Clock Source is CLK4 */

#define CMXSCR_TS2CS_BRG1  0x00000000   /* SCC2 Tx Clock Source is BRG1 */
#define CMXSCR_TS2CS_BRG2  0x00010000   /* SCC2 Tx Clock Source is BRG2 */
#define CMXSCR_TS2CS_BRG3  0x00020000   /* SCC2 Tx Clock Source is BRG3 */
#define CMXSCR_TS2CS_BRG4  0x00030000   /* SCC2 Tx Clock Source is BRG4 */
#define CMXSCR_TS2CS_CLK11 0x00040000   /* SCC2 Tx Clock Source is CLK11 */
#define CMXSCR_TS2CS_CLK12 0x00050000   /* SCC2 Tx Clock Source is CLK12 */
#define CMXSCR_TS2CS_CLK3  0x00060000   /* SCC2 Tx Clock Source is CLK3 */
#define CMXSCR_TS2CS_CLK4  0x00070000   /* SCC2 Tx Clock Source is CLK4 */

#define CMXSCR_RS3CS_BRG1  0x00000000   /* SCC3 Rx Clock Source is BRG1 */
#define CMXSCR_RS3CS_BRG2  0x00000800   /* SCC3 Rx Clock Source is BRG2 */
#define CMXSCR_RS3CS_BRG3  0x00001000   /* SCC3 Rx Clock Source is BRG3 */
#define CMXSCR_RS3CS_BRG4  0x00001800   /* SCC3 Rx Clock Source is BRG4 */
#define CMXSCR_RS3CS_CLK5  0x00002000   /* SCC3 Rx Clock Source is CLK5 */
#define CMXSCR_RS3CS_CLK6  0x00002800   /* SCC3 Rx Clock Source is CLK6 */
#define CMXSCR_RS3CS_CLK7  0x00003000   /* SCC3 Rx Clock Source is CLK7 */
#define CMXSCR_RS3CS_CLK8  0x00003800   /* SCC3 Rx Clock Source is CLK8 */

#define CMXSCR_TS3CS_BRG1  0x00000000   /* SCC3 Tx Clock Source is BRG1 */
#define CMXSCR_TS3CS_BRG2  0x00000100   /* SCC3 Tx Clock Source is BRG2 */
#define CMXSCR_TS3CS_BRG3  0x00000200   /* SCC3 Tx Clock Source is BRG3 */
#define CMXSCR_TS3CS_BRG4  0x00000300   /* SCC3 Tx Clock Source is BRG4 */
#define CMXSCR_TS3CS_CLK5  0x00000400   /* SCC3 Tx Clock Source is CLK5 */
#define CMXSCR_TS3CS_CLK6  0x00000500   /* SCC3 Tx Clock Source is CLK6 */
#define CMXSCR_TS3CS_CLK7  0x00000600   /* SCC3 Tx Clock Source is CLK7 */
#define CMXSCR_TS3CS_CLK8  0x00000700   /* SCC3 Tx Clock Source is CLK8 */

#define CMXSCR_RS4CS_BRG1  0x00000000   /* SCC4 Rx Clock Source is BRG1 */
#define CMXSCR_RS4CS_BRG2  0x00000008   /* SCC4 Rx Clock Source is BRG2 */
#define CMXSCR_RS4CS_BRG3  0x00000010   /* SCC4 Rx Clock Source is BRG3 */
#define CMXSCR_RS4CS_BRG4  0x00000018   /* SCC4 Rx Clock Source is BRG4 */
#define CMXSCR_RS4CS_CLK5  0x00000020   /* SCC4 Rx Clock Source is CLK5 */
#define CMXSCR_RS4CS_CLK6  0x00000028   /* SCC4 Rx Clock Source is CLK6 */
#define CMXSCR_RS4CS_CLK7  0x00000030   /* SCC4 Rx Clock Source is CLK7 */
#define CMXSCR_RS4CS_CLK8  0x00000038   /* SCC4 Rx Clock Source is CLK8 */

#define CMXSCR_TS4CS_BRG1  0x00000000   /* SCC4 Tx Clock Source is BRG1 */
#define CMXSCR_TS4CS_BRG2  0x00000001   /* SCC4 Tx Clock Source is BRG2 */
#define CMXSCR_TS4CS_BRG3  0x00000002   /* SCC4 Tx Clock Source is BRG3 */
#define CMXSCR_TS4CS_BRG4  0x00000003   /* SCC4 Tx Clock Source is BRG4 */
#define CMXSCR_TS4CS_CLK5  0x00000004   /* SCC4 Tx Clock Source is CLK5 */
#define CMXSCR_TS4CS_CLK6  0x00000005   /* SCC4 Tx Clock Source is CLK6 */
#define CMXSCR_TS4CS_CLK7  0x00000006   /* SCC4 Tx Clock Source is CLK7 */
#define CMXSCR_TS4CS_CLK8  0x00000007   /* SCC4 Tx Clock Source is CLK8 */

/*-----------------------------------------------------------------------
 * SIUMCR - SIU Module Configuration Register				 4-31
 */
#define SIUMCR_BBD	0x80000000	/* Bus Busy Disable		*/
#define SIUMCR_ESE	0x40000000	/* External Snoop Enable	*/
#define SIUMCR_PBSE	0x20000000	/* Parity Byte Select Enable	*/
#define SIUMCR_CDIS	0x10000000	/* Core Disable			*/
#define SIUMCR_DPPC00	0x00000000	/* Data Parity Pins Configuration*/
#define SIUMCR_DPPC01	0x04000000	/* - " -			*/
#define SIUMCR_DPPC10	0x08000000	/* - " -			*/
#define SIUMCR_DPPC11	0x0c000000	/* - " -			*/
#define SIUMCR_L2CPC00	0x00000000	/* L2 Cache Pins Configuration	*/
#define SIUMCR_L2CPC01	0x01000000	/* - " -			*/
#define SIUMCR_L2CPC10	0x02000000	/* - " -			*/
#define SIUMCR_L2CPC11	0x03000000	/* - " -			*/
#define SIUMCR_LBPC00	0x00000000	/* Local Bus Pins Configuration	*/
#define SIUMCR_LBPC01	0x00400000	/* - " -			*/
#define SIUMCR_LBPC10	0x00800000	/* - " -			*/
#define SIUMCR_LBPC11	0x00c00000	/* - " -			*/
#define SIUMCR_APPC00	0x00000000	/* Address Parity Pins Configuration*/
#define SIUMCR_APPC01	0x00100000	/* - " -			*/
#define SIUMCR_APPC10	0x00200000	/* - " -			*/
#define SIUMCR_APPC11	0x00300000	/* - " -			*/
#define SIUMCR_CS10PC00	0x00000000	/* CS10 Pin Configuration	*/
#define SIUMCR_CS10PC01	0x00040000	/* - " -			*/
#define SIUMCR_CS10PC10	0x00080000	/* - " -			*/
#define SIUMCR_CS10PC11	0x000c0000	/* - " -			*/
#define SIUMCR_BCTLC00	0x00000000	/* Buffer Control Configuration	*/
#define SIUMCR_BCTLC01	0x00010000	/* - " -			*/
#define SIUMCR_BCTLC10	0x00020000	/* - " -			*/
#define SIUMCR_BCTLC11	0x00030000	/* - " -			*/
#define SIUMCR_MMR00	0x00000000	/* Mask Masters Requests	*/
#define SIUMCR_MMR01	0x00004000	/* - " -			*/
#define SIUMCR_MMR10	0x00008000	/* - " -			*/
#define SIUMCR_MMR11	0x0000c000	/* - " -			*/
#define SIUMCR_LPBSE	0x00002000	/* LocalBus Parity Byte Select Enable*/

/*-----------------------------------------------------------------------
 * SCCR - System Clock Control Register					 9-8
*/
#define SCCR_PCI_MODE	0x00000100	/* PCI Mode	*/
#define SCCR_PCI_MODCK	0x00000080	/* Value of PCI_MODCK pin	*/
#define SCCR_PCIDF_MSK	0x00000078	/* PCI division factor	*/
#define SCCR_PCIDF_SHIFT 3

#ifndef CPM_IMMR_OFFSET
#define CPM_IMMR_OFFSET	0x101a8
#endif

#define FCC_PSMR_RMII	((uint)0x00020000)	/* Use RMII interface */

/* FCC iop & clock configuration. BSP code is responsible to define Fx_RXCLK & Fx_TXCLK
 * in order to use clock-computing stuff below for the FCC x
 */

/* Automatically generates register configurations */
#define PC_CLK(x)	((uint)(1<<(x-1)))	/* FCC CLK I/O ports */

#define CMXFCR_RF1CS(x)	((uint)((x-5)<<27))	/* FCC1 Receive Clock Source */
#define CMXFCR_TF1CS(x)	((uint)((x-5)<<24))	/* FCC1 Transmit Clock Source */
#define CMXFCR_RF2CS(x)	((uint)((x-9)<<19))	/* FCC2 Receive Clock Source */
#define CMXFCR_TF2CS(x) ((uint)((x-9)<<16))	/* FCC2 Transmit Clock Source */
#define CMXFCR_RF3CS(x)	((uint)((x-9)<<11))	/* FCC3 Receive Clock Source */
#define CMXFCR_TF3CS(x) ((uint)((x-9)<<8))	/* FCC3 Transmit Clock Source */

#define PC_F1RXCLK	PC_CLK(F1_RXCLK)
#define PC_F1TXCLK	PC_CLK(F1_TXCLK)
#define CMX1_CLK_ROUTE	(CMXFCR_RF1CS(F1_RXCLK) | CMXFCR_TF1CS(F1_TXCLK))
#define CMX1_CLK_MASK	((uint)0xff000000)

#define PC_F2RXCLK	PC_CLK(F2_RXCLK)
#define PC_F2TXCLK	PC_CLK(F2_TXCLK)
#define CMX2_CLK_ROUTE	(CMXFCR_RF2CS(F2_RXCLK) | CMXFCR_TF2CS(F2_TXCLK))
#define CMX2_CLK_MASK	((uint)0x00ff0000)

#define PC_F3RXCLK	PC_CLK(F3_RXCLK)
#define PC_F3TXCLK	PC_CLK(F3_TXCLK)
#define CMX3_CLK_ROUTE	(CMXFCR_RF3CS(F3_RXCLK) | CMXFCR_TF3CS(F3_TXCLK))
#define CMX3_CLK_MASK	((uint)0x0000ff00)

#define CPMUX_CLK_MASK (CMX3_CLK_MASK | CMX2_CLK_MASK)
#define CPMUX_CLK_ROUTE (CMX3_CLK_ROUTE | CMX2_CLK_ROUTE)

#define CLK_TRX (PC_F3TXCLK | PC_F3RXCLK | PC_F2TXCLK | PC_F2RXCLK)

/* I/O Pin assignment for FCC1.  I don't yet know the best way to do this,
 * but there is little variation among the choices.
 */
#define PA1_COL		0x00000001U
#define PA1_CRS		0x00000002U
#define PA1_TXER	0x00000004U
#define PA1_TXEN	0x00000008U
#define PA1_RXDV	0x00000010U
#define PA1_RXER	0x00000020U
#define PA1_TXDAT	0x00003c00U
#define PA1_RXDAT	0x0003c000U
#define PA1_PSORA0	(PA1_RXDAT | PA1_TXDAT)
#define PA1_PSORA1	(PA1_COL | PA1_CRS | PA1_TXER | PA1_TXEN | \
		PA1_RXDV | PA1_RXER)
#define PA1_DIRA0	(PA1_RXDAT | PA1_CRS | PA1_COL | PA1_RXER | PA1_RXDV)
#define PA1_DIRA1	(PA1_TXDAT | PA1_TXEN | PA1_TXER)


/* I/O Pin assignment for FCC2.  I don't yet know the best way to do this,
 * but there is little variation among the choices.
 */
#define PB2_TXER	0x00000001U
#define PB2_RXDV	0x00000002U
#define PB2_TXEN	0x00000004U
#define PB2_RXER	0x00000008U
#define PB2_COL		0x00000010U
#define PB2_CRS		0x00000020U
#define PB2_TXDAT	0x000003c0U
#define PB2_RXDAT	0x00003c00U
#define PB2_PSORB0	(PB2_RXDAT | PB2_TXDAT | PB2_CRS | PB2_COL | \
		PB2_RXER | PB2_RXDV | PB2_TXER)
#define PB2_PSORB1	(PB2_TXEN)
#define PB2_DIRB0	(PB2_RXDAT | PB2_CRS | PB2_COL | PB2_RXER | PB2_RXDV)
#define PB2_DIRB1	(PB2_TXDAT | PB2_TXEN | PB2_TXER)


/* I/O Pin assignment for FCC3.  I don't yet know the best way to do this,
 * but there is little variation among the choices.
 */
#define PB3_RXDV	0x00004000U
#define PB3_RXER	0x00008000U
#define PB3_TXER	0x00010000U
#define PB3_TXEN	0x00020000U
#define PB3_COL		0x00040000U
#define PB3_CRS		0x00080000U
#define PB3_TXDAT	0x0f000000U
#define PC3_TXDAT	0x00000010U
#define PB3_RXDAT	0x00f00000U
#define PB3_PSORB0	(PB3_RXDAT | PB3_TXDAT | PB3_CRS | PB3_COL | \
		PB3_RXER | PB3_RXDV | PB3_TXER | PB3_TXEN)
#define PB3_PSORB1	0
#define PB3_DIRB0	(PB3_RXDAT | PB3_CRS | PB3_COL | PB3_RXER | PB3_RXDV)
#define PB3_DIRB1	(PB3_TXDAT | PB3_TXEN | PB3_TXER)
#define PC3_DIRC1	(PC3_TXDAT)

/* Handy macro to specify mem for FCCs*/
#define FCC_MEM_OFFSET(x) (CPM_FCC_SPECIAL_BASE + (x*128))
#define FCC1_MEM_OFFSET FCC_MEM_OFFSET(0)
#define FCC2_MEM_OFFSET FCC_MEM_OFFSET(1)
#define FCC2_MEM_OFFSET FCC_MEM_OFFSET(2)

#endif /* __CPM2__ */
#endif /* __KERNEL__ */