RTEMS  5.1
m68360.h
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1 
6 /*
7  **************************************************************************
8  **************************************************************************
9  ** **
10  ** MOTOROLA MC68360 QUAD INTEGRATED COMMUNICATIONS CONTROLLER (QUICC) **
11  ** **
12  ** HARDWARE DECLARATIONS **
13  ** **
14  ** **
15  ** Submitted By: **
16  ** **
17  ** W. Eric Norum **
18  ** Saskatchewan Accelerator Laboratory **
19  ** University of Saskatchewan **
20  ** 107 North Road **
21  ** Saskatoon, Saskatchewan, CANADA **
22  ** S7N 5C6 **
23  ** **
24  ** eric@skatter.usask.ca **
25  ** **
26  **************************************************************************
27  **************************************************************************
28  */
29 
30 #ifndef _RTEMS_M68K_M68360_H
31 #define _RTEMS_M68K_M68360_H
32 
33 /*
34  *************************************************************************
35  * REGISTER SUBBLOCKS *
36  *************************************************************************
37  */
38 
39 /*
40  * Memory controller registers
41  */
42 typedef struct m360MEMCRegisters_ {
43  unsigned long br;
44  unsigned long or;
45  unsigned long _pad[2];
46 } m360MEMCRegisters_t;
47 
48 /*
49  * Serial Communications Controller registers
50  */
51 typedef struct m360SCCRegisters_ {
52  unsigned long gsmr_l;
53  unsigned long gsmr_h;
54  unsigned short psmr;
55  unsigned short _pad0;
56  unsigned short todr;
57  unsigned short dsr;
58  unsigned short scce;
59  unsigned short _pad1;
60  unsigned short sccm;
61  unsigned char _pad2;
62  unsigned char sccs;
63  unsigned long _pad3[2];
64 } m360SCCRegisters_t;
65 
66 /*
67  * Serial Management Controller registers
68  */
69 typedef struct m360SMCRegisters_ {
70  unsigned short _pad0;
71  unsigned short smcmr;
72  unsigned short _pad1;
73  unsigned char smce;
74  unsigned char _pad2;
75  unsigned short _pad3;
76  unsigned char smcm;
77  unsigned char _pad4;
78  unsigned long _pad5;
79 } m360SMCRegisters_t;
80 
81 
82 /*
83  *************************************************************************
84  * Miscellaneous Parameters *
85  *************************************************************************
86  */
87 typedef struct m360MiscParms_ {
88  unsigned short rev_num;
89  unsigned short _res1;
90  unsigned long _res2;
91  unsigned long _res3;
92 } m360MiscParms_t;
93 
94 /*
95  *************************************************************************
96  * RISC Timers *
97  *************************************************************************
98  */
99 typedef struct m360TimerParms_ {
100  unsigned short tm_base;
101  unsigned short _tm_ptr;
102  unsigned short _r_tmr;
103  unsigned short _r_tmv;
104  unsigned long tm_cmd;
105  unsigned long tm_cnt;
106 } m360TimerParms_t;
107 
108 /*
109  * RISC Controller Configuration Register (RCCR)
110  * All other bits in this register are either reserved or
111  * used only with a Motorola-supplied RAM microcode packge.
112  */
113 #define M360_RCCR_TIME (1<<15) /* Enable timer */
114 #define M360_RCCR_TIMEP(x) ((x)<<8) /* Timer period */
115 
116 /*
117  * Command register
118  * Set up this register before issuing a M360_CR_OP_SET_TIMER command.
119  */
120 #define M360_TM_CMD_V (1<<31) /* Set to enable timer */
121 #define M360_TM_CMD_R (1<<30) /* Set for automatic restart */
122 #define M360_TM_CMD_TIMER(x) ((x)<<16) /* Select timer */
123 #define M360_TM_CMD_PERIOD(x) (x) /* Timer period (16 bits) */
124 
125 /*
126  *************************************************************************
127  * DMA Controllers *
128  *************************************************************************
129  */
130 typedef struct m360IDMAparms_ {
131  unsigned short ibase;
132  unsigned short ibptr;
133  unsigned long _istate;
134  unsigned long _itemp;
135 } m360IDMAparms_t;
136 
137 /*
138  *************************************************************************
139  * Serial Communication Controllers *
140  *************************************************************************
141  */
142 typedef struct m360SCCparms_ {
143  unsigned short rbase;
144  unsigned short tbase;
145  unsigned char rfcr;
146  unsigned char tfcr;
147  unsigned short mrblr;
148  unsigned long _rstate;
149  unsigned long _pad0;
150  unsigned short _rbptr;
151  unsigned short _pad1;
152  unsigned long _pad2;
153  unsigned long _tstate;
154  unsigned long _pad3;
155  unsigned short _tbptr;
156  unsigned short _pad4;
157  unsigned long _pad5;
158  unsigned long _rcrc;
159  unsigned long _tcrc;
160  union {
161  struct {
162  unsigned long _res0;
163  unsigned long _res1;
164  unsigned short max_idl;
165  unsigned short _idlc;
166  unsigned short brkcr;
167  unsigned short parec;
168  unsigned short frmec;
169  unsigned short nosec;
170  unsigned short brkec;
171  unsigned short brklen;
172  unsigned short uaddr[2];
173  unsigned short _rtemp;
174  unsigned short toseq;
175  unsigned short character[8];
176  unsigned short rccm;
177  unsigned short rccr;
178  unsigned short rlbc;
179  } uart;
180  struct {
181  unsigned long crc_p;
182  unsigned long crc_c;
183  } transparent;
184 
185  } un;
186 } m360SCCparms_t;
187 
188 typedef struct m360SCCENparms_ {
189  unsigned short rbase;
190  unsigned short tbase;
191  unsigned char rfcr;
192  unsigned char tfcr;
193  unsigned short mrblr;
194  unsigned long _rstate;
195  unsigned long _pad0;
196  unsigned short _rbptr;
197  unsigned short _pad1;
198  unsigned long _pad2;
199  unsigned long _tstate;
200  unsigned long _pad3;
201  unsigned short _tbptr;
202  unsigned short _pad4;
203  unsigned long _pad5;
204  unsigned long _rcrc;
205  unsigned long _tcrc;
206  union {
207  struct {
208  unsigned long _res0;
209  unsigned long _res1;
210  unsigned short max_idl;
211  unsigned short _idlc;
212  unsigned short brkcr;
213  unsigned short parec;
214  unsigned short frmec;
215  unsigned short nosec;
216  unsigned short brkec;
217  unsigned short brklen;
218  unsigned short uaddr[2];
219  unsigned short _rtemp;
220  unsigned short toseq;
221  unsigned short character[8];
222  unsigned short rccm;
223  unsigned short rccr;
224  unsigned short rlbc;
225  } uart;
226  struct {
227  unsigned long c_pres;
228  unsigned long c_mask;
229  unsigned long crcec;
230  unsigned long alec;
231  unsigned long disfc;
232  unsigned short pads;
233  unsigned short ret_lim;
234  unsigned short _ret_cnt;
235  unsigned short mflr;
236  unsigned short minflr;
237  unsigned short maxd1;
238  unsigned short maxd2;
239  unsigned short _maxd;
240  unsigned short dma_cnt;
241  unsigned short _max_b;
242  unsigned short gaddr1;
243  unsigned short gaddr2;
244  unsigned short gaddr3;
245  unsigned short gaddr4;
246  unsigned long _tbuf0data0;
247  unsigned long _tbuf0data1;
248  unsigned long _tbuf0rba0;
249  unsigned long _tbuf0crc;
250  unsigned short _tbuf0bcnt;
251  unsigned short paddr_h;
252  unsigned short paddr_m;
253  unsigned short paddr_l;
254  unsigned short p_per;
255  unsigned short _rfbd_ptr;
256  unsigned short _tfbd_ptr;
257  unsigned short _tlbd_ptr;
258  unsigned long _tbuf1data0;
259  unsigned long _tbuf1data1;
260  unsigned long _tbuf1rba0;
261  unsigned long _tbuf1crc;
262  unsigned short _tbuf1bcnt;
263  unsigned short _tx_len;
264  unsigned short iaddr1;
265  unsigned short iaddr2;
266  unsigned short iaddr3;
267  unsigned short iaddr4;
268  unsigned short _boff_cnt;
269  unsigned short taddr_h;
270  unsigned short taddr_m;
271  unsigned short taddr_l;
272  } ethernet;
273  struct {
274  unsigned long crc_p;
275  unsigned long crc_c;
276  } transparent;
277  } un;
278 } m360SCCENparms_t;
279 
280 /*
281  * Receive and transmit function code register bits
282  * These apply to the function code registers of all devices, not just SCC.
283  */
284 #define M360_RFCR_MOT (1<<4)
285 #define M360_RFCR_DMA_SPACE 0x8
286 #define M360_TFCR_MOT (1<<4)
287 #define M360_TFCR_DMA_SPACE 0x8
288 
289 /*
290  *************************************************************************
291  * Serial Management Controllers *
292  *************************************************************************
293  */
294 typedef struct m360SMCparms_ {
295  unsigned short rbase;
296  unsigned short tbase;
297  unsigned char rfcr;
298  unsigned char tfcr;
299  unsigned short mrblr;
300  unsigned long _rstate;
301  unsigned long _pad0;
302  unsigned short _rbptr;
303  unsigned short _pad1;
304  unsigned long _pad2;
305  unsigned long _tstate;
306  unsigned long _pad3;
307  unsigned short _tbptr;
308  unsigned short _pad4;
309  unsigned long _pad5;
310  union {
311  struct {
312  unsigned short max_idl;
313  unsigned short _pad0;
314  unsigned short brklen;
315  unsigned short brkec;
316  unsigned short brkcr;
317  unsigned short _r_mask;
318  } uart;
319  struct {
320  unsigned short _pad0[5];
321  } transparent;
322  } un;
323 } m360SMCparms_t;
324 
325 /*
326  * Mode register
327  */
328 #define M360_SMCMR_CLEN(x) ((x)<<11) /* Character length */
329 #define M360_SMCMR_2STOP (1<<10) /* 2 stop bits */
330 #define M360_SMCMR_PARITY (1<<9) /* Enable parity */
331 #define M360_SMCMR_EVEN (1<<8) /* Even parity */
332 #define M360_SMCMR_SM_GCI (0<<4) /* GCI Mode */
333 #define M360_SMCMR_SM_UART (2<<4) /* UART Mode */
334 #define M360_SMCMR_SM_TRANSPARENT (3<<4) /* Transparent Mode */
335 #define M360_SMCMR_DM_LOOPBACK (1<<2) /* Local loopback mode */
336 #define M360_SMCMR_DM_ECHO (2<<2) /* Echo mode */
337 #define M360_SMCMR_TEN (1<<1) /* Enable transmitter */
338 #define M360_SMCMR_REN (1<<0) /* Enable receiver */
339 
340 /*
341  * Event and mask registers (SMCE, SMCM)
342  */
343 #define M360_SMCE_BRK (1<<4)
344 #define M360_SMCE_BSY (1<<2)
345 #define M360_SMCE_TX (1<<1)
346 #define M360_SMCE_RX (1<<0)
347 
348 /*
349  *************************************************************************
350  * Serial Peripheral Interface *
351  *************************************************************************
352  */
353 typedef struct m360SPIparms_ {
354  unsigned short rbase;
355  unsigned short tbase;
356  unsigned char rfcr;
357  unsigned char tfcr;
358  unsigned short mrblr;
359  unsigned long _rstate;
360  unsigned long _pad0;
361  unsigned short _rbptr;
362  unsigned short _pad1;
363  unsigned long _pad2;
364  unsigned long _tstate;
365  unsigned long _pad3;
366  unsigned short _tbptr;
367  unsigned short _pad4;
368  unsigned long _pad5;
369 } m360SPIparms_t;
370 
371 /*
372  * Mode register (SPMODE)
373  */
374 #define M360_SPMODE_LOOP (1<<14) /* Local loopback mode */
375 #define M360_SPMODE_CI (1<<13) /* Clock invert */
376 #define M360_SPMODE_CP (1<<12) /* Clock phase */
377 #define M360_SPMODE_DIV16 (1<<11) /* Divide BRGCLK by 16 */
378 #define M360_SPMODE_REV (1<<10) /* Reverse data */
379 #define M360_SPMODE_MASTER (1<<9) /* SPI is master */
380 #define M360_SPMODE_EN (1<<8) /* Enable SPI */
381 #define M360_SPMODE_CLEN(x) ((x)<<4) /* Character length */
382 #define M360_SPMODE_PM(x) (x) /* Prescaler modulus */
383 
384 /*
385  * Mode register (SPCOM)
386  */
387 #define M360_SPCOM_STR (1<<7) /* Start transmit */
388 
389 /*
390  * Event and mask registers (SPIE, SPIM)
391  */
392 #define M360_SPIE_MME (1<<5) /* Multi-master error */
393 #define M360_SPIE_TXE (1<<4) /* Tx error */
394 #define M360_SPIE_BSY (1<<2) /* Busy condition*/
395 #define M360_SPIE_TXB (1<<1) /* Tx buffer */
396 #define M360_SPIE_RXB (1<<0) /* Rx buffer */
397 
398 /*
399  *************************************************************************
400  * SDMA (SCC, SMC, SPI) Buffer Descriptors *
401  *************************************************************************
402  */
403 typedef struct m360BufferDescriptor_ {
404  unsigned short status;
405  unsigned short length;
406  volatile void *buffer;
407 } m360BufferDescriptor_t;
408 
409 /*
410  * Bits in receive buffer descriptor status word
411  */
412 #define M360_BD_EMPTY (1<<15) /* Ethernet, SCC UART, SMC UART, SPI */
413 #define M360_BD_WRAP (1<<13) /* Ethernet, SCC UART, SMC UART, SPI */
414 #define M360_BD_INTERRUPT (1<<12) /* Ethernet, SCC UART, SMC UART, SPI */
415 #define M360_BD_LAST (1<<11) /* Ethernet, SPI */
416 #define M360_BD_CONTROL_CHAR (1<<11) /* SCC UART */
417 #define M360_BD_FIRST_IN_FRAME (1<<10) /* Ethernet */
418 #define M360_BD_ADDRESS (1<<10) /* SCC UART */
419 #define M360_BD_CONTINUOUS (1<<9) /* SCC UART, SMC UART, SPI */
420 #define M360_BD_MISS (1<<8) /* Ethernet */
421 #define M360_BD_IDLE (1<<8) /* SCC UART, SMC UART */
422 #define M360_BD_ADDRSS_MATCH (1<<7) /* SCC UART */
423 #define M360_BD_LONG (1<<5) /* Ethernet */
424 #define M360_BD_BREAK (1<<5) /* SCC UART, SMC UART */
425 #define M360_BD_NONALIGNED (1<<4) /* Ethernet */
426 #define M360_BD_FRAMING_ERROR (1<<4) /* SCC UART, SMC UART */
427 #define M360_BD_SHORT (1<<3) /* Ethernet */
428 #define M360_BD_PARITY_ERROR (1<<3) /* SCC UART, SMC UART */
429 #define M360_BD_CRC_ERROR (1<<2) /* Ethernet */
430 #define M360_BD_OVERRUN (1<<1) /* Ethernet, SCC UART, SMC UART, SPI */
431 #define M360_BD_COLLISION (1<<0) /* Ethernet */
432 #define M360_BD_CARRIER_LOST (1<<0) /* SCC UART */
433 #define M360_BD_MASTER_ERROR (1<<0) /* SPI */
434 
435 /*
436  * Bits in transmit buffer descriptor status word
437  * Many bits have the same meaning as those in receiver buffer descriptors.
438  */
439 #define M360_BD_READY (1<<15) /* Ethernet, SCC UART, SMC UART, SPI */
440 #define M360_BD_PAD (1<<14) /* Ethernet */
441 #define M360_BD_CTS_REPORT (1<<11) /* SCC UART */
442 #define M360_BD_TX_CRC (1<<10) /* Ethernet */
443 #define M360_BD_DEFER (1<<9) /* Ethernet */
444 #define M360_BD_HEARTBEAT (1<<8) /* Ethernet */
445 #define M360_BD_PREAMBLE (1<<8) /* SCC UART, SMC UART */
446 #define M360_BD_LATE_COLLISION (1<<7) /* Ethernet */
447 #define M360_BD_NO_STOP_BIT (1<<7) /* SCC UART */
448 #define M360_BD_RETRY_LIMIT (1<<6) /* Ethernet */
449 #define M360_BD_RETRY_COUNT(x) (((x)&0x3C)>>2) /* Ethernet */
450 #define M360_BD_UNDERRUN (1<<1) /* Ethernet, SPI */
451 #define M360_BD_CARRIER_LOST (1<<0) /* Ethernet */
452 #define M360_BD_CTS_LOST (1<<0) /* SCC UART */
453 
454 /*
455  *************************************************************************
456  * IDMA Buffer Descriptors *
457  *************************************************************************
458  */
459 typedef struct m360IDMABufferDescriptor_ {
460  unsigned short status;
461  unsigned short _pad;
462  unsigned long length;
463  void *source;
464  void *destination;
465 } m360IDMABufferDescriptor_t;
466 
467 /*
468  *************************************************************************
469  * RISC Communication Processor Module Command Register (CR) *
470  *************************************************************************
471  */
472 #define M360_CR_RST (1<<15) /* Reset communication processor */
473 #define M360_CR_OP_INIT_RX_TX (0<<8) /* SCC, SMC UART, SMC GCI, SPI */
474 #define M360_CR_OP_INIT_RX (1<<8) /* SCC, SMC UART, SPI */
475 #define M360_CR_OP_INIT_TX (2<<8) /* SCC, SMC UART, SPI */
476 #define M360_CR_OP_INIT_HUNT (3<<8) /* SCC, SMC UART */
477 #define M360_CR_OP_STOP_TX (4<<8) /* SCC, SMC UART */
478 #define M360_CR_OP_GR_STOP_TX (5<<8) /* SCC */
479 #define M360_CR_OP_INIT_IDMA (5<<8) /* IDMA */
480 #define M360_CR_OP_RESTART_TX (6<<8) /* SCC, SMC UART */
481 #define M360_CR_OP_CLOSE_RX_BD (7<<8) /* SCC, SMC UART, SPI */
482 #define M360_CR_OP_SET_GRP_ADDR (8<<8) /* SCC */
483 #define M360_CR_OP_SET_TIMER (8<<8) /* Timer */
484 #define M360_CR_OP_GCI_TIMEOUT (9<<8) /* SMC GCI */
485 #define M360_CR_OP_RESERT_BCS (10<<8) /* SCC */
486 #define M360_CR_OP_GCI_ABORT (10<<8) /* SMC GCI */
487 #define M360_CR_CHAN_SCC1 (0<<4) /* Channel selection */
488 #define M360_CR_CHAN_SCC2 (4<<4)
489 #define M360_CR_CHAN_SPI (5<<4)
490 #define M360_CR_CHAN_TIMER (5<<4)
491 #define M360_CR_CHAN_SCC3 (8<<4)
492 #define M360_CR_CHAN_SMC1 (9<<4)
493 #define M360_CR_CHAN_IDMA1 (9<<4)
494 #define M360_CR_CHAN_SCC4 (12<<4)
495 #define M360_CR_CHAN_SMC2 (13<<4)
496 #define M360_CR_CHAN_IDMA2 (13<<4)
497 #define M360_CR_FLG (1<<0) /* Command flag */
498 
499 /*
500  *************************************************************************
501  * System Protection Control Register (SYPCR) *
502  *************************************************************************
503  */
504 #define M360_SYPCR_SWE (1<<7) /* Software watchdog enable */
505 #define M360_SYPCR_SWRI (1<<6) /* Software watchdog reset select */
506 #define M360_SYPCR_SWT1 (1<<5) /* Software watchdog timing bit 1 */
507 #define M360_SYPCR_SWT0 (1<<4) /* Software watchdog timing bit 0 */
508 #define M360_SYPCR_DBFE (1<<3) /* Double bus fault monitor enable */
509 #define M360_SYPCR_BME (1<<2) /* Bus monitor external enable */
510 #define M360_SYPCR_BMT1 (1<<1) /* Bus monitor timing bit 1 */
511 #define M360_SYPCR_BMT0 (1<<0) /* Bus monitor timing bit 0 */
512 
513 /*
514  *************************************************************************
515  * Memory Control Registers *
516  *************************************************************************
517  */
518 #define M360_GMR_RCNT(x) ((x)<<24) /* Refresh count */
519 #define M360_GMR_RFEN (1<<23) /* Refresh enable */
520 #define M360_GMR_RCYC(x) ((x)<<21) /* Refresh cycle length */
521 #define M360_GMR_PGS(x) ((x)<<18) /* Page size */
522 #define M360_GMR_DPS_32BIT (0<<16) /* DRAM port size */
523 #define M360_GMR_DPS_16BIT (1<<16)
524 #define M360_GMR_DPS_8BIT (2<<16)
525 #define M360_GMR_DPS_DSACK (3<<16)
526 #define M360_GMR_WBT40 (1<<15) /* Wait between 040 transfers */
527 #define M360_GMR_WBTQ (1<<14) /* Wait between 360 transfers */
528 #define M360_GMR_SYNC (1<<13) /* Synchronous external access */
529 #define M360_GMR_EMWS (1<<12) /* External master wait state */
530 #define M360_GMR_OPAR (1<<11) /* Odd parity */
531 #define M360_GMR_PBEE (1<<10) /* Parity bus error enable */
532 #define M360_GMR_TSS40 (1<<9) /* TS* sample for 040 */
533 #define M360_GMR_NCS (1<<8) /* No CPU space */
534 #define M360_GMR_DWQ (1<<7) /* Delay write for 360 */
535 #define M360_GMR_DW40 (1<<6) /* Delay write for 040 */
536 #define M360_GMR_GAMX (1<<5) /* Global address mux enable */
537 
538 #define M360_MEMC_BR_FC(x) ((x)<<7) /* Function code limit */
539 #define M360_MEMC_BR_TRLXQ (1<<6) /* Relax timing requirements */
540 #define M360_MEMC_BR_BACK40 (1<<5) /* Burst acknowledge to 040 */
541 #define M360_MEMC_BR_CSNT40 (1<<4) /* CS* negate timing for 040 */
542 #define M360_MEMC_BR_CSNTQ (1<<3) /* CS* negate timing for 360 */
543 #define M360_MEMC_BR_PAREN (1<<2) /* Enable parity checking */
544 #define M360_MEMC_BR_WP (1<<1) /* Write Protect */
545 #define M360_MEMC_BR_V (1<<0) /* Base/Option register are valid */
546 
547 #define M360_MEMC_OR_TCYC(x) ((x)<<28) /* Cycle length (clocks) */
548 #define M360_MEMC_OR_WAITS(x) M360_MEMC_OR_TCYC((x)+1)
549 #define M360_MEMC_OR_2KB 0x0FFFF800 /* Address range */
550 #define M360_MEMC_OR_4KB 0x0FFFF000
551 #define M360_MEMC_OR_8KB 0x0FFFE000
552 #define M360_MEMC_OR_16KB 0x0FFFC000
553 #define M360_MEMC_OR_32KB 0x0FFF8000
554 #define M360_MEMC_OR_64KB 0x0FFF0000
555 #define M360_MEMC_OR_128KB 0x0FFE0000
556 #define M360_MEMC_OR_256KB 0x0FFC0000
557 #define M360_MEMC_OR_512KB 0x0FF80000
558 #define M360_MEMC_OR_1MB 0x0FF00000
559 #define M360_MEMC_OR_2MB 0x0FE00000
560 #define M360_MEMC_OR_4MB 0x0FC00000
561 #define M360_MEMC_OR_8MB 0x0F800000
562 #define M360_MEMC_OR_16MB 0x0F000000
563 #define M360_MEMC_OR_32MB 0x0E000000
564 #define M360_MEMC_OR_64MB 0x0C000000
565 #define M360_MEMC_OR_128MB 0x08000000
566 #define M360_MEMC_OR_256MB 0x00000000
567 #define M360_MEMC_OR_FCMC(x) ((x)<<7) /* Function code mask */
568 #define M360_MEMC_OR_BCYC(x) ((x)<<5) /* Burst cycle length (clocks) */
569 #define M360_MEMC_OR_PGME (1<<3) /* Page mode enable */
570 #define M360_MEMC_OR_32BIT (0<<1) /* Port size */
571 #define M360_MEMC_OR_16BIT (1<<1)
572 #define M360_MEMC_OR_8BIT (2<<1)
573 #define M360_MEMC_OR_DSACK (3<<1)
574 #define M360_MEMC_OR_DRAM (1<<0) /* Dynamic RAM select */
575 
576 /*
577  *************************************************************************
578  * SI Mode Register (SIMODE) *
579  *************************************************************************
580  */
581 #define M360_SI_SMC2_BITS 0xFFFF0000 /* All SMC2 bits */
582 #define M360_SI_SMC2_TDM (1<<31) /* Multiplexed SMC2 */
583 #define M360_SI_SMC2_BRG1 (0<<28) /* SMC2 clock souce */
584 #define M360_SI_SMC2_BRG2 (1<<28)
585 #define M360_SI_SMC2_BRG3 (2<<28)
586 #define M360_SI_SMC2_BRG4 (3<<28)
587 #define M360_SI_SMC2_CLK5 (0<<28)
588 #define M360_SI_SMC2_CLK6 (1<<28)
589 #define M360_SI_SMC2_CLK7 (2<<28)
590 #define M360_SI_SMC2_CLK8 (3<<28)
591 #define M360_SI_SMC1_BITS 0x0000FFFF /* All SMC1 bits */
592 #define M360_SI_SMC1_TDM (1<<15) /* Multiplexed SMC1 */
593 #define M360_SI_SMC1_BRG1 (0<<12) /* SMC1 clock souce */
594 #define M360_SI_SMC1_BRG2 (1<<12)
595 #define M360_SI_SMC1_BRG3 (2<<12)
596 #define M360_SI_SMC1_BRG4 (3<<12)
597 #define M360_SI_SMC1_CLK1 (0<<12)
598 #define M360_SI_SMC1_CLK2 (1<<12)
599 #define M360_SI_SMC1_CLK3 (2<<12)
600 #define M360_SI_SMC1_CLK4 (3<<12)
601 
602 /*
603  *************************************************************************
604  * SDMA Configuration Register (SDMA) *
605  *************************************************************************
606  */
607 #define M360_SDMA_FREEZE (2<<13) /* Freeze on next bus cycle */
608 #define M360_SDMA_SISM_7 (7<<8) /* Normal interrupt service mask */
609 #define M360_SDMA_SAID_4 (4<<4) /* Normal arbitration ID */
610 #define M360_SDMA_INTE (1<<1) /* SBER interrupt enable */
611 #define M360_SDMA_INTB (1<<0) /* SBKP interrupt enable */
612 
613 /*
614  *************************************************************************
615  * Baud (sic) Rate Generators *
616  *************************************************************************
617  */
618 #define M360_BRG_RST (1<<17) /* Reset generator */
619 #define M360_BRG_EN (1<<16) /* Enable generator */
620 #define M360_BRG_EXTC_BRGCLK (0<<14) /* Source is BRGCLK */
621 #define M360_BRG_EXTC_CLK2 (1<<14) /* Source is CLK2 pin */
622 #define M360_BRG_EXTC_CLK6 (2<<14) /* Source is CLK6 pin */
623 #define M360_BRG_ATB (1<<13) /* Autobaud */
624 #define M360_BRG_115200 (13<<1) /* Assume 25 MHz clock */
625 #define M360_BRG_57600 (26<<1)
626 #define M360_BRG_38400 (40<<1)
627 #define M360_BRG_19200 (80<<1)
628 #define M360_BRG_9600 (162<<1)
629 #define M360_BRG_4800 (324<<1)
630 #define M360_BRG_2400 (650<<1)
631 #define M360_BRG_1200 (1301<<1)
632 #define M360_BRG_600 (2603<<1)
633 #define M360_BRG_300 ((324<<1) | 1)
634 #define M360_BRG_150 ((650<<1) | 1)
635 #define M360_BRG_75 ((1301<<1) | 1)
636 
637 /*
638  *************************************************************************
639  * MC68360 DUAL-PORT RAM AND REGISTERS *
640  *************************************************************************
641  */
642 typedef struct m360_ {
643  /*
644  * Dual-port RAM
645  */
646  unsigned char dpram0[0x400]; /* Microcode program */
647  unsigned char dpram1[0x200];
648  unsigned char dpram2[0x100]; /* Microcode scratch */
649  unsigned char dpram3[0x100]; /* Not on REV A or B masks */
650  unsigned char _rsv0[0xC00-0x800];
651  m360SCCENparms_t scc1p;
652  unsigned char _rsv1[0xCB0-0xC00-sizeof(m360SCCENparms_t)];
653  m360MiscParms_t miscp;
654  unsigned char _rsv2[0xD00-0xCB0-sizeof(m360MiscParms_t)];
655  m360SCCparms_t scc2p;
656  unsigned char _rsv3[0xD80-0xD00-sizeof(m360SCCparms_t)];
657  m360SPIparms_t spip;
658  unsigned char _rsv4[0xDB0-0xD80-sizeof(m360SPIparms_t)];
659  m360TimerParms_t tmp;
660  unsigned char _rsv5[0xE00-0xDB0-sizeof(m360TimerParms_t)];
661  m360SCCparms_t scc3p;
662  unsigned char _rsv6[0xE70-0xE00-sizeof(m360SCCparms_t)];
663  m360IDMAparms_t idma1p;
664  unsigned char _rsv7[0xE80-0xE70-sizeof(m360IDMAparms_t)];
665  m360SMCparms_t smc1p;
666  unsigned char _rsv8[0xF00-0xE80-sizeof(m360SMCparms_t)];
667  m360SCCparms_t scc4p;
668  unsigned char _rsv9[0xF70-0xF00-sizeof(m360SCCparms_t)];
669  m360IDMAparms_t idma2p;
670  unsigned char _rsv10[0xF80-0xF70-sizeof(m360IDMAparms_t)];
671  m360SMCparms_t smc2p;
672  unsigned char _rsv11[0x1000-0xF80-sizeof(m360SMCparms_t)];
673 
674  /*
675  * SIM Block
676  */
677  unsigned long mcr;
678  unsigned long _pad00;
679  unsigned char avr;
680  unsigned char rsr;
681  unsigned short _pad01;
682  unsigned char clkocr;
683  unsigned char _pad02;
684  unsigned short _pad03;
685  unsigned short pllcr;
686  unsigned short _pad04;
687  unsigned short cdvcr;
688  unsigned short pepar;
689  unsigned long _pad05[2];
690  unsigned short _pad06;
691  unsigned char sypcr;
692  unsigned char swiv;
693  unsigned short _pad07;
694  unsigned short picr;
695  unsigned short _pad08;
696  unsigned short pitr;
697  unsigned short _pad09;
698  unsigned char _pad10;
699  unsigned char swsr;
700  unsigned long bkar;
701  unsigned long bcar;
702  unsigned long _pad11[2];
703 
704  /*
705  * MEMC Block
706  */
707  unsigned long gmr;
708  unsigned short mstat;
709  unsigned short _pad12;
710  unsigned long _pad13[2];
711  m360MEMCRegisters_t memc[8];
712  unsigned char _pad14[0xF0-0xD0];
713  unsigned char _pad15[0x100-0xF0];
714  unsigned char _pad16[0x500-0x100];
715 
716  /*
717  * IDMA1 Block
718  */
719  unsigned short iccr;
720  unsigned short _pad17;
721  unsigned short cmr1;
722  unsigned short _pad18;
723  unsigned long sapr1;
724  unsigned long dapr1;
725  unsigned long bcr1;
726  unsigned char fcr1;
727  unsigned char _pad19;
728  unsigned char cmar1;
729  unsigned char _pad20;
730  unsigned char csr1;
731  unsigned char _pad21;
732  unsigned short _pad22;
733 
734  /*
735  * SDMA Block
736  */
737  unsigned char sdsr;
738  unsigned char _pad23;
739  unsigned short sdcr;
740  unsigned long sdar;
741 
742  /*
743  * IDMA2 Block
744  */
745  unsigned short _pad24;
746  unsigned short cmr2;
747  unsigned long sapr2;
748  unsigned long dapr2;
749  unsigned long bcr2;
750  unsigned char fcr2;
751  unsigned char _pad26;
752  unsigned char cmar2;
753  unsigned char _pad27;
754  unsigned char csr2;
755  unsigned char _pad28;
756  unsigned short _pad29;
757  unsigned long _pad30;
758 
759  /*
760  * CPIC Block
761  */
762  unsigned long cicr;
763  unsigned long cipr;
764  unsigned long cimr;
765  unsigned long cisr;
766 
767  /*
768  * Parallel I/O Block
769  */
770  unsigned short padir;
771  unsigned short papar;
772  unsigned short paodr;
773  unsigned short padat;
774  unsigned long _pad31[2];
775  unsigned short pcdir;
776  unsigned short pcpar;
777  unsigned short pcso;
778  unsigned short pcdat;
779  unsigned short pcint;
780  unsigned short _pad32;
781  unsigned long _pad33[5];
782 
783  /*
784  * TIMER Block
785  */
786  unsigned short tgcr;
787  unsigned short _pad34;
788  unsigned long _pad35[3];
789  unsigned short tmr1;
790  unsigned short tmr2;
791  unsigned short trr1;
792  unsigned short trr2;
793  unsigned short tcr1;
794  unsigned short tcr2;
795  unsigned short tcn1;
796  unsigned short tcn2;
797  unsigned short tmr3;
798  unsigned short tmr4;
799  unsigned short trr3;
800  unsigned short trr4;
801  unsigned short tcr3;
802  unsigned short tcr4;
803  unsigned short tcn3;
804  unsigned short tcn4;
805  unsigned short ter1;
806  unsigned short ter2;
807  unsigned short ter3;
808  unsigned short ter4;
809  unsigned long _pad36[2];
810 
811  /*
812  * CP Block
813  */
814  unsigned short cr;
815  unsigned short _pad37;
816  unsigned short rccr;
817  unsigned short _pad38;
818  unsigned long _pad39[3];
819  unsigned short _pad40;
820  unsigned short rter;
821  unsigned short _pad41;
822  unsigned short rtmr;
823  unsigned long _pad42[5];
824 
825  /*
826  * BRG Block
827  */
828  unsigned long brgc1;
829  unsigned long brgc2;
830  unsigned long brgc3;
831  unsigned long brgc4;
832 
833  /*
834  * SCC Block
835  */
836  m360SCCRegisters_t scc1;
837  m360SCCRegisters_t scc2;
838  m360SCCRegisters_t scc3;
839  m360SCCRegisters_t scc4;
840 
841  /*
842  * SMC Block
843  */
844  m360SMCRegisters_t smc1;
845  m360SMCRegisters_t smc2;
846 
847  /*
848  * SPI Block
849  */
850  unsigned short spmode;
851  unsigned short _pad43[2];
852  unsigned char spie;
853  unsigned char _pad44;
854  unsigned short _pad45;
855  unsigned char spim;
856  unsigned char _pad46[2];
857  unsigned char spcom;
858  unsigned short _pad47[2];
859 
860  /*
861  * PIP Block
862  */
863  unsigned short pipc;
864  unsigned short _pad48;
865  unsigned short ptpr;
866  unsigned long pbdir;
867  unsigned long pbpar;
868  unsigned short _pad49;
869  unsigned short pbodr;
870  unsigned long pbdat;
871  unsigned long _pad50[6];
872 
873  /*
874  * SI Block
875  */
876  unsigned long simode;
877  unsigned char sigmr;
878  unsigned char _pad51;
879  unsigned char sistr;
880  unsigned char sicmr;
881  unsigned long _pad52;
882  unsigned long sicr;
883  unsigned short _pad53;
884  unsigned short sirp[2];
885  unsigned short _pad54;
886  unsigned long _pad55[2];
887  unsigned char siram[256];
888 } m360_t;
889 
890 extern volatile m360_t m360;
891 
892 /*
893  * definitions for the port b SPI pin bits
894  */
895 #define M360_PB_SPI_MISO_MSK (1<< 3)
896 #define M360_PB_SPI_MOSI_MSK (1<< 2)
897 #define M360_PB_SPI_CLK_MSK (1<< 1)
898 
899 #endif /* _RTEMS_M68K_M68360_H */
m360_
Definition: m68360.h:642
m360IDMABufferDescriptor_
Definition: m68360.h:459
m360MiscParms_
Definition: m68360.h:87
m360TimerParms_
Definition: m68360.h:99
m360SMCRegisters_
Definition: m68360.h:69
m360SCCRegisters_
Definition: m68360.h:51
m360MEMCRegisters_
Definition: m68360.h:42
m360SCCENparms_
Definition: m68360.h:188
m360BufferDescriptor_
Definition: m68360.h:403
m360SMCparms_
Definition: m68360.h:294
m360SPIparms_
Definition: m68360.h:353
m360SCCparms_
Definition: m68360.h:142
m360IDMAparms_
Definition: m68360.h:130
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