RTEMS 6.1-rc6
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m68360.h
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1
9/*
10 * Copyright (c) 1996 Eric Norum <eric@norum.ca>
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#ifndef _RTEMS_M68K_M68360_H
35#define _RTEMS_M68K_M68360_H
36
37/*
38 *************************************************************************
39 * REGISTER SUBBLOCKS *
40 *************************************************************************
41 */
42
43/*
44 * Memory controller registers
45 */
46typedef struct m360MEMCRegisters_ {
47 unsigned long br;
48 unsigned long or;
49 unsigned long _pad[2];
50} m360MEMCRegisters_t;
51
52/*
53 * Serial Communications Controller registers
54 */
55typedef struct m360SCCRegisters_ {
56 unsigned long gsmr_l;
57 unsigned long gsmr_h;
58 unsigned short psmr;
59 unsigned short _pad0;
60 unsigned short todr;
61 unsigned short dsr;
62 unsigned short scce;
63 unsigned short _pad1;
64 unsigned short sccm;
65 unsigned char _pad2;
66 unsigned char sccs;
67 unsigned long _pad3[2];
68} m360SCCRegisters_t;
69
70/*
71 * Serial Management Controller registers
72 */
73typedef struct m360SMCRegisters_ {
74 unsigned short _pad0;
75 unsigned short smcmr;
76 unsigned short _pad1;
77 unsigned char smce;
78 unsigned char _pad2;
79 unsigned short _pad3;
80 unsigned char smcm;
81 unsigned char _pad4;
82 unsigned long _pad5;
83} m360SMCRegisters_t;
84
85
86/*
87 *************************************************************************
88 * Miscellaneous Parameters *
89 *************************************************************************
90 */
91typedef struct m360MiscParms_ {
92 unsigned short rev_num;
93 unsigned short _res1;
94 unsigned long _res2;
95 unsigned long _res3;
96} m360MiscParms_t;
97
98/*
99 *************************************************************************
100 * RISC Timers *
101 *************************************************************************
102 */
103typedef struct m360TimerParms_ {
104 unsigned short tm_base;
105 unsigned short _tm_ptr;
106 unsigned short _r_tmr;
107 unsigned short _r_tmv;
108 unsigned long tm_cmd;
109 unsigned long tm_cnt;
110} m360TimerParms_t;
111
112/*
113 * RISC Controller Configuration Register (RCCR)
114 * All other bits in this register are either reserved or
115 * used only with a Motorola-supplied RAM microcode packge.
116 */
117#define M360_RCCR_TIME (1<<15) /* Enable timer */
118#define M360_RCCR_TIMEP(x) ((x)<<8) /* Timer period */
119
120/*
121 * Command register
122 * Set up this register before issuing a M360_CR_OP_SET_TIMER command.
123 */
124#define M360_TM_CMD_V (1<<31) /* Set to enable timer */
125#define M360_TM_CMD_R (1<<30) /* Set for automatic restart */
126#define M360_TM_CMD_TIMER(x) ((x)<<16) /* Select timer */
127#define M360_TM_CMD_PERIOD(x) (x) /* Timer period (16 bits) */
128
129/*
130 *************************************************************************
131 * DMA Controllers *
132 *************************************************************************
133 */
134typedef struct m360IDMAparms_ {
135 unsigned short ibase;
136 unsigned short ibptr;
137 unsigned long _istate;
138 unsigned long _itemp;
139} m360IDMAparms_t;
140
141/*
142 *************************************************************************
143 * Serial Communication Controllers *
144 *************************************************************************
145 */
146typedef struct m360SCCparms_ {
147 unsigned short rbase;
148 unsigned short tbase;
149 unsigned char rfcr;
150 unsigned char tfcr;
151 unsigned short mrblr;
152 unsigned long _rstate;
153 unsigned long _pad0;
154 unsigned short _rbptr;
155 unsigned short _pad1;
156 unsigned long _pad2;
157 unsigned long _tstate;
158 unsigned long _pad3;
159 unsigned short _tbptr;
160 unsigned short _pad4;
161 unsigned long _pad5;
162 unsigned long _rcrc;
163 unsigned long _tcrc;
164 union {
165 struct {
166 unsigned long _res0;
167 unsigned long _res1;
168 unsigned short max_idl;
169 unsigned short _idlc;
170 unsigned short brkcr;
171 unsigned short parec;
172 unsigned short frmec;
173 unsigned short nosec;
174 unsigned short brkec;
175 unsigned short brklen;
176 unsigned short uaddr[2];
177 unsigned short _rtemp;
178 unsigned short toseq;
179 unsigned short character[8];
180 unsigned short rccm;
181 unsigned short rccr;
182 unsigned short rlbc;
183 } uart;
184 struct {
185 unsigned long crc_p;
186 unsigned long crc_c;
187 } transparent;
188
189 } un;
190} m360SCCparms_t;
191
192typedef struct m360SCCENparms_ {
193 unsigned short rbase;
194 unsigned short tbase;
195 unsigned char rfcr;
196 unsigned char tfcr;
197 unsigned short mrblr;
198 unsigned long _rstate;
199 unsigned long _pad0;
200 unsigned short _rbptr;
201 unsigned short _pad1;
202 unsigned long _pad2;
203 unsigned long _tstate;
204 unsigned long _pad3;
205 unsigned short _tbptr;
206 unsigned short _pad4;
207 unsigned long _pad5;
208 unsigned long _rcrc;
209 unsigned long _tcrc;
210 union {
211 struct {
212 unsigned long _res0;
213 unsigned long _res1;
214 unsigned short max_idl;
215 unsigned short _idlc;
216 unsigned short brkcr;
217 unsigned short parec;
218 unsigned short frmec;
219 unsigned short nosec;
220 unsigned short brkec;
221 unsigned short brklen;
222 unsigned short uaddr[2];
223 unsigned short _rtemp;
224 unsigned short toseq;
225 unsigned short character[8];
226 unsigned short rccm;
227 unsigned short rccr;
228 unsigned short rlbc;
229 } uart;
230 struct {
231 unsigned long c_pres;
232 unsigned long c_mask;
233 unsigned long crcec;
234 unsigned long alec;
235 unsigned long disfc;
236 unsigned short pads;
237 unsigned short ret_lim;
238 unsigned short _ret_cnt;
239 unsigned short mflr;
240 unsigned short minflr;
241 unsigned short maxd1;
242 unsigned short maxd2;
243 unsigned short _maxd;
244 unsigned short dma_cnt;
245 unsigned short _max_b;
246 unsigned short gaddr1;
247 unsigned short gaddr2;
248 unsigned short gaddr3;
249 unsigned short gaddr4;
250 unsigned long _tbuf0data0;
251 unsigned long _tbuf0data1;
252 unsigned long _tbuf0rba0;
253 unsigned long _tbuf0crc;
254 unsigned short _tbuf0bcnt;
255 unsigned short paddr_h;
256 unsigned short paddr_m;
257 unsigned short paddr_l;
258 unsigned short p_per;
259 unsigned short _rfbd_ptr;
260 unsigned short _tfbd_ptr;
261 unsigned short _tlbd_ptr;
262 unsigned long _tbuf1data0;
263 unsigned long _tbuf1data1;
264 unsigned long _tbuf1rba0;
265 unsigned long _tbuf1crc;
266 unsigned short _tbuf1bcnt;
267 unsigned short _tx_len;
268 unsigned short iaddr1;
269 unsigned short iaddr2;
270 unsigned short iaddr3;
271 unsigned short iaddr4;
272 unsigned short _boff_cnt;
273 unsigned short taddr_h;
274 unsigned short taddr_m;
275 unsigned short taddr_l;
276 } ethernet;
277 struct {
278 unsigned long crc_p;
279 unsigned long crc_c;
280 } transparent;
281 } un;
282} m360SCCENparms_t;
283
284/*
285 * Receive and transmit function code register bits
286 * These apply to the function code registers of all devices, not just SCC.
287 */
288#define M360_RFCR_MOT (1<<4)
289#define M360_RFCR_DMA_SPACE 0x8
290#define M360_TFCR_MOT (1<<4)
291#define M360_TFCR_DMA_SPACE 0x8
292
293/*
294 *************************************************************************
295 * Serial Management Controllers *
296 *************************************************************************
297 */
298typedef struct m360SMCparms_ {
299 unsigned short rbase;
300 unsigned short tbase;
301 unsigned char rfcr;
302 unsigned char tfcr;
303 unsigned short mrblr;
304 unsigned long _rstate;
305 unsigned long _pad0;
306 unsigned short _rbptr;
307 unsigned short _pad1;
308 unsigned long _pad2;
309 unsigned long _tstate;
310 unsigned long _pad3;
311 unsigned short _tbptr;
312 unsigned short _pad4;
313 unsigned long _pad5;
314 union {
315 struct {
316 unsigned short max_idl;
317 unsigned short _pad0;
318 unsigned short brklen;
319 unsigned short brkec;
320 unsigned short brkcr;
321 unsigned short _r_mask;
322 } uart;
323 struct {
324 unsigned short _pad0[5];
325 } transparent;
326 } un;
327} m360SMCparms_t;
328
329/*
330 * Mode register
331 */
332#define M360_SMCMR_CLEN(x) ((x)<<11) /* Character length */
333#define M360_SMCMR_2STOP (1<<10) /* 2 stop bits */
334#define M360_SMCMR_PARITY (1<<9) /* Enable parity */
335#define M360_SMCMR_EVEN (1<<8) /* Even parity */
336#define M360_SMCMR_SM_GCI (0<<4) /* GCI Mode */
337#define M360_SMCMR_SM_UART (2<<4) /* UART Mode */
338#define M360_SMCMR_SM_TRANSPARENT (3<<4) /* Transparent Mode */
339#define M360_SMCMR_DM_LOOPBACK (1<<2) /* Local loopback mode */
340#define M360_SMCMR_DM_ECHO (2<<2) /* Echo mode */
341#define M360_SMCMR_TEN (1<<1) /* Enable transmitter */
342#define M360_SMCMR_REN (1<<0) /* Enable receiver */
343
344/*
345 * Event and mask registers (SMCE, SMCM)
346 */
347#define M360_SMCE_BRK (1<<4)
348#define M360_SMCE_BSY (1<<2)
349#define M360_SMCE_TX (1<<1)
350#define M360_SMCE_RX (1<<0)
351
352/*
353 *************************************************************************
354 * Serial Peripheral Interface *
355 *************************************************************************
356 */
357typedef struct m360SPIparms_ {
358 unsigned short rbase;
359 unsigned short tbase;
360 unsigned char rfcr;
361 unsigned char tfcr;
362 unsigned short mrblr;
363 unsigned long _rstate;
364 unsigned long _pad0;
365 unsigned short _rbptr;
366 unsigned short _pad1;
367 unsigned long _pad2;
368 unsigned long _tstate;
369 unsigned long _pad3;
370 unsigned short _tbptr;
371 unsigned short _pad4;
372 unsigned long _pad5;
373} m360SPIparms_t;
374
375/*
376 * Mode register (SPMODE)
377 */
378#define M360_SPMODE_LOOP (1<<14) /* Local loopback mode */
379#define M360_SPMODE_CI (1<<13) /* Clock invert */
380#define M360_SPMODE_CP (1<<12) /* Clock phase */
381#define M360_SPMODE_DIV16 (1<<11) /* Divide BRGCLK by 16 */
382#define M360_SPMODE_REV (1<<10) /* Reverse data */
383#define M360_SPMODE_MASTER (1<<9) /* SPI is master */
384#define M360_SPMODE_EN (1<<8) /* Enable SPI */
385#define M360_SPMODE_CLEN(x) ((x)<<4) /* Character length */
386#define M360_SPMODE_PM(x) (x) /* Prescaler modulus */
387
388/*
389 * Mode register (SPCOM)
390 */
391#define M360_SPCOM_STR (1<<7) /* Start transmit */
392
393/*
394 * Event and mask registers (SPIE, SPIM)
395 */
396#define M360_SPIE_MME (1<<5) /* Multi-master error */
397#define M360_SPIE_TXE (1<<4) /* Tx error */
398#define M360_SPIE_BSY (1<<2) /* Busy condition*/
399#define M360_SPIE_TXB (1<<1) /* Tx buffer */
400#define M360_SPIE_RXB (1<<0) /* Rx buffer */
401
402/*
403 *************************************************************************
404 * SDMA (SCC, SMC, SPI) Buffer Descriptors *
405 *************************************************************************
406 */
407typedef struct m360BufferDescriptor_ {
408 unsigned short status;
409 unsigned short length;
410 volatile void *buffer;
411} m360BufferDescriptor_t;
412
413/*
414 * Bits in receive buffer descriptor status word
415 */
416#define M360_BD_EMPTY (1<<15) /* Ethernet, SCC UART, SMC UART, SPI */
417#define M360_BD_WRAP (1<<13) /* Ethernet, SCC UART, SMC UART, SPI */
418#define M360_BD_INTERRUPT (1<<12) /* Ethernet, SCC UART, SMC UART, SPI */
419#define M360_BD_LAST (1<<11) /* Ethernet, SPI */
420#define M360_BD_CONTROL_CHAR (1<<11) /* SCC UART */
421#define M360_BD_FIRST_IN_FRAME (1<<10) /* Ethernet */
422#define M360_BD_ADDRESS (1<<10) /* SCC UART */
423#define M360_BD_CONTINUOUS (1<<9) /* SCC UART, SMC UART, SPI */
424#define M360_BD_MISS (1<<8) /* Ethernet */
425#define M360_BD_IDLE (1<<8) /* SCC UART, SMC UART */
426#define M360_BD_ADDRSS_MATCH (1<<7) /* SCC UART */
427#define M360_BD_LONG (1<<5) /* Ethernet */
428#define M360_BD_BREAK (1<<5) /* SCC UART, SMC UART */
429#define M360_BD_NONALIGNED (1<<4) /* Ethernet */
430#define M360_BD_FRAMING_ERROR (1<<4) /* SCC UART, SMC UART */
431#define M360_BD_SHORT (1<<3) /* Ethernet */
432#define M360_BD_PARITY_ERROR (1<<3) /* SCC UART, SMC UART */
433#define M360_BD_CRC_ERROR (1<<2) /* Ethernet */
434#define M360_BD_OVERRUN (1<<1) /* Ethernet, SCC UART, SMC UART, SPI */
435#define M360_BD_COLLISION (1<<0) /* Ethernet */
436#define M360_BD_CARRIER_LOST (1<<0) /* SCC UART */
437#define M360_BD_MASTER_ERROR (1<<0) /* SPI */
438
439/*
440 * Bits in transmit buffer descriptor status word
441 * Many bits have the same meaning as those in receiver buffer descriptors.
442 */
443#define M360_BD_READY (1<<15) /* Ethernet, SCC UART, SMC UART, SPI */
444#define M360_BD_PAD (1<<14) /* Ethernet */
445#define M360_BD_CTS_REPORT (1<<11) /* SCC UART */
446#define M360_BD_TX_CRC (1<<10) /* Ethernet */
447#define M360_BD_DEFER (1<<9) /* Ethernet */
448#define M360_BD_HEARTBEAT (1<<8) /* Ethernet */
449#define M360_BD_PREAMBLE (1<<8) /* SCC UART, SMC UART */
450#define M360_BD_LATE_COLLISION (1<<7) /* Ethernet */
451#define M360_BD_NO_STOP_BIT (1<<7) /* SCC UART */
452#define M360_BD_RETRY_LIMIT (1<<6) /* Ethernet */
453#define M360_BD_RETRY_COUNT(x) (((x)&0x3C)>>2) /* Ethernet */
454#define M360_BD_UNDERRUN (1<<1) /* Ethernet, SPI */
455#define M360_BD_CARRIER_LOST (1<<0) /* Ethernet */
456#define M360_BD_CTS_LOST (1<<0) /* SCC UART */
457
458/*
459 *************************************************************************
460 * IDMA Buffer Descriptors *
461 *************************************************************************
462 */
463typedef struct m360IDMABufferDescriptor_ {
464 unsigned short status;
465 unsigned short _pad;
466 unsigned long length;
467 void *source;
468 void *destination;
469} m360IDMABufferDescriptor_t;
470
471/*
472 *************************************************************************
473 * RISC Communication Processor Module Command Register (CR) *
474 *************************************************************************
475 */
476#define M360_CR_RST (1<<15) /* Reset communication processor */
477#define M360_CR_OP_INIT_RX_TX (0<<8) /* SCC, SMC UART, SMC GCI, SPI */
478#define M360_CR_OP_INIT_RX (1<<8) /* SCC, SMC UART, SPI */
479#define M360_CR_OP_INIT_TX (2<<8) /* SCC, SMC UART, SPI */
480#define M360_CR_OP_INIT_HUNT (3<<8) /* SCC, SMC UART */
481#define M360_CR_OP_STOP_TX (4<<8) /* SCC, SMC UART */
482#define M360_CR_OP_GR_STOP_TX (5<<8) /* SCC */
483#define M360_CR_OP_INIT_IDMA (5<<8) /* IDMA */
484#define M360_CR_OP_RESTART_TX (6<<8) /* SCC, SMC UART */
485#define M360_CR_OP_CLOSE_RX_BD (7<<8) /* SCC, SMC UART, SPI */
486#define M360_CR_OP_SET_GRP_ADDR (8<<8) /* SCC */
487#define M360_CR_OP_SET_TIMER (8<<8) /* Timer */
488#define M360_CR_OP_GCI_TIMEOUT (9<<8) /* SMC GCI */
489#define M360_CR_OP_RESERT_BCS (10<<8) /* SCC */
490#define M360_CR_OP_GCI_ABORT (10<<8) /* SMC GCI */
491#define M360_CR_CHAN_SCC1 (0<<4) /* Channel selection */
492#define M360_CR_CHAN_SCC2 (4<<4)
493#define M360_CR_CHAN_SPI (5<<4)
494#define M360_CR_CHAN_TIMER (5<<4)
495#define M360_CR_CHAN_SCC3 (8<<4)
496#define M360_CR_CHAN_SMC1 (9<<4)
497#define M360_CR_CHAN_IDMA1 (9<<4)
498#define M360_CR_CHAN_SCC4 (12<<4)
499#define M360_CR_CHAN_SMC2 (13<<4)
500#define M360_CR_CHAN_IDMA2 (13<<4)
501#define M360_CR_FLG (1<<0) /* Command flag */
502
503/*
504 *************************************************************************
505 * System Protection Control Register (SYPCR) *
506 *************************************************************************
507 */
508#define M360_SYPCR_SWE (1<<7) /* Software watchdog enable */
509#define M360_SYPCR_SWRI (1<<6) /* Software watchdog reset select */
510#define M360_SYPCR_SWT1 (1<<5) /* Software watchdog timing bit 1 */
511#define M360_SYPCR_SWT0 (1<<4) /* Software watchdog timing bit 0 */
512#define M360_SYPCR_DBFE (1<<3) /* Double bus fault monitor enable */
513#define M360_SYPCR_BME (1<<2) /* Bus monitor external enable */
514#define M360_SYPCR_BMT1 (1<<1) /* Bus monitor timing bit 1 */
515#define M360_SYPCR_BMT0 (1<<0) /* Bus monitor timing bit 0 */
516
517/*
518 *************************************************************************
519 * Memory Control Registers *
520 *************************************************************************
521 */
522#define M360_GMR_RCNT(x) ((x)<<24) /* Refresh count */
523#define M360_GMR_RFEN (1<<23) /* Refresh enable */
524#define M360_GMR_RCYC(x) ((x)<<21) /* Refresh cycle length */
525#define M360_GMR_PGS(x) ((x)<<18) /* Page size */
526#define M360_GMR_DPS_32BIT (0<<16) /* DRAM port size */
527#define M360_GMR_DPS_16BIT (1<<16)
528#define M360_GMR_DPS_8BIT (2<<16)
529#define M360_GMR_DPS_DSACK (3<<16)
530#define M360_GMR_WBT40 (1<<15) /* Wait between 040 transfers */
531#define M360_GMR_WBTQ (1<<14) /* Wait between 360 transfers */
532#define M360_GMR_SYNC (1<<13) /* Synchronous external access */
533#define M360_GMR_EMWS (1<<12) /* External master wait state */
534#define M360_GMR_OPAR (1<<11) /* Odd parity */
535#define M360_GMR_PBEE (1<<10) /* Parity bus error enable */
536#define M360_GMR_TSS40 (1<<9) /* TS* sample for 040 */
537#define M360_GMR_NCS (1<<8) /* No CPU space */
538#define M360_GMR_DWQ (1<<7) /* Delay write for 360 */
539#define M360_GMR_DW40 (1<<6) /* Delay write for 040 */
540#define M360_GMR_GAMX (1<<5) /* Global address mux enable */
541
542#define M360_MEMC_BR_FC(x) ((x)<<7) /* Function code limit */
543#define M360_MEMC_BR_TRLXQ (1<<6) /* Relax timing requirements */
544#define M360_MEMC_BR_BACK40 (1<<5) /* Burst acknowledge to 040 */
545#define M360_MEMC_BR_CSNT40 (1<<4) /* CS* negate timing for 040 */
546#define M360_MEMC_BR_CSNTQ (1<<3) /* CS* negate timing for 360 */
547#define M360_MEMC_BR_PAREN (1<<2) /* Enable parity checking */
548#define M360_MEMC_BR_WP (1<<1) /* Write Protect */
549#define M360_MEMC_BR_V (1<<0) /* Base/Option register are valid */
550
551#define M360_MEMC_OR_TCYC(x) ((x)<<28) /* Cycle length (clocks) */
552#define M360_MEMC_OR_WAITS(x) M360_MEMC_OR_TCYC((x)+1)
553#define M360_MEMC_OR_2KB 0x0FFFF800 /* Address range */
554#define M360_MEMC_OR_4KB 0x0FFFF000
555#define M360_MEMC_OR_8KB 0x0FFFE000
556#define M360_MEMC_OR_16KB 0x0FFFC000
557#define M360_MEMC_OR_32KB 0x0FFF8000
558#define M360_MEMC_OR_64KB 0x0FFF0000
559#define M360_MEMC_OR_128KB 0x0FFE0000
560#define M360_MEMC_OR_256KB 0x0FFC0000
561#define M360_MEMC_OR_512KB 0x0FF80000
562#define M360_MEMC_OR_1MB 0x0FF00000
563#define M360_MEMC_OR_2MB 0x0FE00000
564#define M360_MEMC_OR_4MB 0x0FC00000
565#define M360_MEMC_OR_8MB 0x0F800000
566#define M360_MEMC_OR_16MB 0x0F000000
567#define M360_MEMC_OR_32MB 0x0E000000
568#define M360_MEMC_OR_64MB 0x0C000000
569#define M360_MEMC_OR_128MB 0x08000000
570#define M360_MEMC_OR_256MB 0x00000000
571#define M360_MEMC_OR_FCMC(x) ((x)<<7) /* Function code mask */
572#define M360_MEMC_OR_BCYC(x) ((x)<<5) /* Burst cycle length (clocks) */
573#define M360_MEMC_OR_PGME (1<<3) /* Page mode enable */
574#define M360_MEMC_OR_32BIT (0<<1) /* Port size */
575#define M360_MEMC_OR_16BIT (1<<1)
576#define M360_MEMC_OR_8BIT (2<<1)
577#define M360_MEMC_OR_DSACK (3<<1)
578#define M360_MEMC_OR_DRAM (1<<0) /* Dynamic RAM select */
579
580/*
581 *************************************************************************
582 * SI Mode Register (SIMODE) *
583 *************************************************************************
584 */
585#define M360_SI_SMC2_BITS 0xFFFF0000 /* All SMC2 bits */
586#define M360_SI_SMC2_TDM (1<<31) /* Multiplexed SMC2 */
587#define M360_SI_SMC2_BRG1 (0<<28) /* SMC2 clock souce */
588#define M360_SI_SMC2_BRG2 (1<<28)
589#define M360_SI_SMC2_BRG3 (2<<28)
590#define M360_SI_SMC2_BRG4 (3<<28)
591#define M360_SI_SMC2_CLK5 (0<<28)
592#define M360_SI_SMC2_CLK6 (1<<28)
593#define M360_SI_SMC2_CLK7 (2<<28)
594#define M360_SI_SMC2_CLK8 (3<<28)
595#define M360_SI_SMC1_BITS 0x0000FFFF /* All SMC1 bits */
596#define M360_SI_SMC1_TDM (1<<15) /* Multiplexed SMC1 */
597#define M360_SI_SMC1_BRG1 (0<<12) /* SMC1 clock souce */
598#define M360_SI_SMC1_BRG2 (1<<12)
599#define M360_SI_SMC1_BRG3 (2<<12)
600#define M360_SI_SMC1_BRG4 (3<<12)
601#define M360_SI_SMC1_CLK1 (0<<12)
602#define M360_SI_SMC1_CLK2 (1<<12)
603#define M360_SI_SMC1_CLK3 (2<<12)
604#define M360_SI_SMC1_CLK4 (3<<12)
605
606/*
607 *************************************************************************
608 * SDMA Configuration Register (SDMA) *
609 *************************************************************************
610 */
611#define M360_SDMA_FREEZE (2<<13) /* Freeze on next bus cycle */
612#define M360_SDMA_SISM_7 (7<<8) /* Normal interrupt service mask */
613#define M360_SDMA_SAID_4 (4<<4) /* Normal arbitration ID */
614#define M360_SDMA_INTE (1<<1) /* SBER interrupt enable */
615#define M360_SDMA_INTB (1<<0) /* SBKP interrupt enable */
616
617/*
618 *************************************************************************
619 * Baud (sic) Rate Generators *
620 *************************************************************************
621 */
622#define M360_BRG_RST (1<<17) /* Reset generator */
623#define M360_BRG_EN (1<<16) /* Enable generator */
624#define M360_BRG_EXTC_BRGCLK (0<<14) /* Source is BRGCLK */
625#define M360_BRG_EXTC_CLK2 (1<<14) /* Source is CLK2 pin */
626#define M360_BRG_EXTC_CLK6 (2<<14) /* Source is CLK6 pin */
627#define M360_BRG_ATB (1<<13) /* Autobaud */
628#define M360_BRG_115200 (13<<1) /* Assume 25 MHz clock */
629#define M360_BRG_57600 (26<<1)
630#define M360_BRG_38400 (40<<1)
631#define M360_BRG_19200 (80<<1)
632#define M360_BRG_9600 (162<<1)
633#define M360_BRG_4800 (324<<1)
634#define M360_BRG_2400 (650<<1)
635#define M360_BRG_1200 (1301<<1)
636#define M360_BRG_600 (2603<<1)
637#define M360_BRG_300 ((324<<1) | 1)
638#define M360_BRG_150 ((650<<1) | 1)
639#define M360_BRG_75 ((1301<<1) | 1)
640
641/*
642 *************************************************************************
643 * MC68360 DUAL-PORT RAM AND REGISTERS *
644 *************************************************************************
645 */
646typedef struct m360_ {
647 /*
648 * Dual-port RAM
649 */
650 unsigned char dpram0[0x400]; /* Microcode program */
651 unsigned char dpram1[0x200];
652 unsigned char dpram2[0x100]; /* Microcode scratch */
653 unsigned char dpram3[0x100]; /* Not on REV A or B masks */
654 unsigned char _rsv0[0xC00-0x800];
655 m360SCCENparms_t scc1p;
656 unsigned char _rsv1[0xCB0-0xC00-sizeof(m360SCCENparms_t)];
657 m360MiscParms_t miscp;
658 unsigned char _rsv2[0xD00-0xCB0-sizeof(m360MiscParms_t)];
659 m360SCCparms_t scc2p;
660 unsigned char _rsv3[0xD80-0xD00-sizeof(m360SCCparms_t)];
661 m360SPIparms_t spip;
662 unsigned char _rsv4[0xDB0-0xD80-sizeof(m360SPIparms_t)];
663 m360TimerParms_t tmp;
664 unsigned char _rsv5[0xE00-0xDB0-sizeof(m360TimerParms_t)];
665 m360SCCparms_t scc3p;
666 unsigned char _rsv6[0xE70-0xE00-sizeof(m360SCCparms_t)];
667 m360IDMAparms_t idma1p;
668 unsigned char _rsv7[0xE80-0xE70-sizeof(m360IDMAparms_t)];
669 m360SMCparms_t smc1p;
670 unsigned char _rsv8[0xF00-0xE80-sizeof(m360SMCparms_t)];
671 m360SCCparms_t scc4p;
672 unsigned char _rsv9[0xF70-0xF00-sizeof(m360SCCparms_t)];
673 m360IDMAparms_t idma2p;
674 unsigned char _rsv10[0xF80-0xF70-sizeof(m360IDMAparms_t)];
675 m360SMCparms_t smc2p;
676 unsigned char _rsv11[0x1000-0xF80-sizeof(m360SMCparms_t)];
677
678 /*
679 * SIM Block
680 */
681 unsigned long mcr;
682 unsigned long _pad00;
683 unsigned char avr;
684 unsigned char rsr;
685 unsigned short _pad01;
686 unsigned char clkocr;
687 unsigned char _pad02;
688 unsigned short _pad03;
689 unsigned short pllcr;
690 unsigned short _pad04;
691 unsigned short cdvcr;
692 unsigned short pepar;
693 unsigned long _pad05[2];
694 unsigned short _pad06;
695 unsigned char sypcr;
696 unsigned char swiv;
697 unsigned short _pad07;
698 unsigned short picr;
699 unsigned short _pad08;
700 unsigned short pitr;
701 unsigned short _pad09;
702 unsigned char _pad10;
703 unsigned char swsr;
704 unsigned long bkar;
705 unsigned long bcar;
706 unsigned long _pad11[2];
707
708 /*
709 * MEMC Block
710 */
711 unsigned long gmr;
712 unsigned short mstat;
713 unsigned short _pad12;
714 unsigned long _pad13[2];
715 m360MEMCRegisters_t memc[8];
716 unsigned char _pad14[0xF0-0xD0];
717 unsigned char _pad15[0x100-0xF0];
718 unsigned char _pad16[0x500-0x100];
719
720 /*
721 * IDMA1 Block
722 */
723 unsigned short iccr;
724 unsigned short _pad17;
725 unsigned short cmr1;
726 unsigned short _pad18;
727 unsigned long sapr1;
728 unsigned long dapr1;
729 unsigned long bcr1;
730 unsigned char fcr1;
731 unsigned char _pad19;
732 unsigned char cmar1;
733 unsigned char _pad20;
734 unsigned char csr1;
735 unsigned char _pad21;
736 unsigned short _pad22;
737
738 /*
739 * SDMA Block
740 */
741 unsigned char sdsr;
742 unsigned char _pad23;
743 unsigned short sdcr;
744 unsigned long sdar;
745
746 /*
747 * IDMA2 Block
748 */
749 unsigned short _pad24;
750 unsigned short cmr2;
751 unsigned long sapr2;
752 unsigned long dapr2;
753 unsigned long bcr2;
754 unsigned char fcr2;
755 unsigned char _pad26;
756 unsigned char cmar2;
757 unsigned char _pad27;
758 unsigned char csr2;
759 unsigned char _pad28;
760 unsigned short _pad29;
761 unsigned long _pad30;
762
763 /*
764 * CPIC Block
765 */
766 unsigned long cicr;
767 unsigned long cipr;
768 unsigned long cimr;
769 unsigned long cisr;
770
771 /*
772 * Parallel I/O Block
773 */
774 unsigned short padir;
775 unsigned short papar;
776 unsigned short paodr;
777 unsigned short padat;
778 unsigned long _pad31[2];
779 unsigned short pcdir;
780 unsigned short pcpar;
781 unsigned short pcso;
782 unsigned short pcdat;
783 unsigned short pcint;
784 unsigned short _pad32;
785 unsigned long _pad33[5];
786
787 /*
788 * TIMER Block
789 */
790 unsigned short tgcr;
791 unsigned short _pad34;
792 unsigned long _pad35[3];
793 unsigned short tmr1;
794 unsigned short tmr2;
795 unsigned short trr1;
796 unsigned short trr2;
797 unsigned short tcr1;
798 unsigned short tcr2;
799 unsigned short tcn1;
800 unsigned short tcn2;
801 unsigned short tmr3;
802 unsigned short tmr4;
803 unsigned short trr3;
804 unsigned short trr4;
805 unsigned short tcr3;
806 unsigned short tcr4;
807 unsigned short tcn3;
808 unsigned short tcn4;
809 unsigned short ter1;
810 unsigned short ter2;
811 unsigned short ter3;
812 unsigned short ter4;
813 unsigned long _pad36[2];
814
815 /*
816 * CP Block
817 */
818 unsigned short cr;
819 unsigned short _pad37;
820 unsigned short rccr;
821 unsigned short _pad38;
822 unsigned long _pad39[3];
823 unsigned short _pad40;
824 unsigned short rter;
825 unsigned short _pad41;
826 unsigned short rtmr;
827 unsigned long _pad42[5];
828
829 /*
830 * BRG Block
831 */
832 unsigned long brgc1;
833 unsigned long brgc2;
834 unsigned long brgc3;
835 unsigned long brgc4;
836
837 /*
838 * SCC Block
839 */
840 m360SCCRegisters_t scc1;
841 m360SCCRegisters_t scc2;
842 m360SCCRegisters_t scc3;
843 m360SCCRegisters_t scc4;
844
845 /*
846 * SMC Block
847 */
848 m360SMCRegisters_t smc1;
849 m360SMCRegisters_t smc2;
850
851 /*
852 * SPI Block
853 */
854 unsigned short spmode;
855 unsigned short _pad43[2];
856 unsigned char spie;
857 unsigned char _pad44;
858 unsigned short _pad45;
859 unsigned char spim;
860 unsigned char _pad46[2];
861 unsigned char spcom;
862 unsigned short _pad47[2];
863
864 /*
865 * PIP Block
866 */
867 unsigned short pipc;
868 unsigned short _pad48;
869 unsigned short ptpr;
870 unsigned long pbdir;
871 unsigned long pbpar;
872 unsigned short _pad49;
873 unsigned short pbodr;
874 unsigned long pbdat;
875 unsigned long _pad50[6];
876
877 /*
878 * SI Block
879 */
880 unsigned long simode;
881 unsigned char sigmr;
882 unsigned char _pad51;
883 unsigned char sistr;
884 unsigned char sicmr;
885 unsigned long _pad52;
886 unsigned long sicr;
887 unsigned short _pad53;
888 unsigned short sirp[2];
889 unsigned short _pad54;
890 unsigned long _pad55[2];
891 unsigned char siram[256];
892} m360_t;
893
894extern volatile m360_t m360;
895
896/*
897 * definitions for the port b SPI pin bits
898 */
899#define M360_PB_SPI_MISO_MSK (1<< 3)
900#define M360_PB_SPI_MOSI_MSK (1<< 2)
901#define M360_PB_SPI_CLK_MSK (1<< 1)
902
903#endif /* _RTEMS_M68K_M68360_H */
m360BufferDescriptor_
Definition: m68360.h:407
m360IDMABufferDescriptor_
Definition: m68360.h:463
m360IDMAparms_
Definition: m68360.h:134
m360MEMCRegisters_
Definition: m68360.h:46
m360MiscParms_
Definition: m68360.h:91
m360SCCENparms_
Definition: m68360.h:192
m360SCCRegisters_
Definition: m68360.h:55
m360SCCparms_
Definition: m68360.h:146
m360SMCRegisters_
Definition: m68360.h:73
m360SMCparms_
Definition: m68360.h:298
m360SPIparms_
Definition: m68360.h:357
m360TimerParms_
Definition: m68360.h:103
m360_
Definition: m68360.h:646
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