RTEMS  5.1
mpc8xx.h
1 /*
2 **************************************************************************
3 **************************************************************************
4 ** **
5 ** MOTOROLA MPC860/MPC821 PORTABLE SYSTEMS MICROPROCESSOR **
6 ** **
7 ** HARDWARE DECLARATIONS **
8 ** **
9 ** **
10 ** Submitted By: **
11 ** **
12 ** W. Eric Norum **
13 ** Saskatchewan Accelerator Laboratory **
14 ** University of Saskatchewan **
15 ** 107 North Road **
16 ** Saskatoon, Saskatchewan, CANADA **
17 ** S7N 5C6 **
18 ** **
19 ** eric@skatter.usask.ca **
20 ** **
21 ** Modified for use with the MPC860 (original code was for MC68360) **
22 ** by **
23 ** Jay Monkman **
24 ** Frasca International, Inc. **
25 ** 906 E. Airport Rd. **
26 ** Urbana, IL, 61801 **
27 ** **
28 ** jmonkman@frasca.com **
29 ** **
30 ** Modified further for use with the MPC821 by: **
31 ** Andrew Bray <andy@chaos.org.uk> **
32 ** **
33 ** With some corrections/additions by: **
34 ** Darlene A. Stewart and **
35 ** Charles-Antoine Gauthier **
36 ** Institute for Information Technology **
37 ** National Research Council of Canada **
38 ** Ottawa, ON K1A 0R6 **
39 ** **
40 ** Darlene.Stewart@iit.nrc.ca **
41 ** charles.gauthier@iit.nrc.ca **
42 ** **
43 ** Corrections/additions: **
44 ** Copyright (c) 1999, National Research Council of Canada **
45 **************************************************************************
46 **************************************************************************
47 */
48 #ifndef _MPC8XX_H
49 #define _MPC8XX_H
50 
51 #ifndef ASM
52 
53 #ifdef __cplusplus
54 extern "C" {
55 #endif
56 
57 /*
58  * Macros for accessing Special Purpose Registers (SPRs)
59  */
60 #define _mtspr(_spr,_reg) __asm__ volatile ( "mtspr %0, %1\n" : : "i" ((_spr)), "r" ((_reg)) )
61 #define _mfspr(_reg,_spr) __asm__ volatile ( "mfspr %0, %1\n" : "=r" ((_reg)) : "i" ((_spr)) )
62 
63 #define _isync __asm__ volatile ("isync\n"::)
64 
65 /*
66  * Core Registers (SPRs)
67  */
68 #define M8xx_DEC 22 /* Decrementer Register */
69 #define M8xx_DER 149 /* Debug Enable Register */
70 #define M8xx_ICTRL 158 /* Instruction Support Control Register */
71 #define M8xx_TBL_WR 284 /* Timebase Lower Write Register */
72 #define M8xx_TBU_WR 285 /* Timebase Upper Write Register */
73 #define M8xx_IMMR 638 /* Internal Memory Map Register */
74 
75 /*
76  * Cache Control Registers (SPRs)
77  */
78 #define M8xx_IC_CST 560 /* Instruction Cache Control and Status Register */
79 #define M8xx_DC_CST 568 /* Data Cache Control and Status Register */
80 #define M8xx_IC_ADR 561 /* Instruction Cache Address Register */
81 #define M8xx_DC_ADR 569 /* Data Cache Address Register */
82 #define M8xx_IC_DAT 562 /* Instruction Cache Data Port Register */
83 #define M8xx_DC_DAT 570 /* Data Cache Data Port Register */
84 
85 /*
86  * MMU Registers (SPRs)
87  */
88 /* Control Registers */
89 #define M8xx_MI_CTR 784 /* IMMU Control Register */
90 #define M8xx_MD_CTR 792 /* DMMU Control Register */
91 /* TLB Source Registers */
92 #define M8xx_MI_EPN 787 /* IMMU Effective Page Number Register (EPN) */
93 #define M8xx_MD_EPN 795 /* DMMU Effective Page Number Register (EPN) */
94 #define M8xx_MI_TWC 789 /* IMMU Tablewalk Control Register (TWC) */
95 #define M8xx_MD_TWC 797 /* DMMU Tablewalk Control Register (TWC) */
96 #define M8xx_MI_RPN 790 /* IMMU Real (physical) Page Number Register (RPN) */
97 #define M8xx_MD_RPN 798 /* DMMU Real (physical) Page Number Register (RPN) */
98 /* Tablewalk Assist Registers */
99 #define M8xx_M_TWB 796 /* MMU Tablewalk Base Register (TWB) */
100 /* Protection Registers */
101 #define M8xx_M_CASID 793 /* MMU Current Address Space ID Register */
102 #define M8xx_MI_AP 786 /* IMMU Access Protection Register */
103 #define M8xx_MD_AP 794 /* DMMU Access Protection Register */
104 /* Scratch Register */
105 #define M8xx_M_TW 799 /* MMU Tablewalk Special Register */
106 /* Debug Registers */
107 #define M8xx_MI_CAM 816 /* IMMU CAM Entry Read Register */
108 #define M8xx_MI_RAM0 817 /* IMMU RAM Entry Read Register 0 */
109 #define M8xx_MI_RAM1 818 /* IMMU RAM Entry Read Register 1 */
110 #define M8xx_MD_CAM 824 /* DMMU CAM Entry Read Register */
111 #define M8xx_MD_RAM0 825 /* DMMU RAM Entry Read Register 0 */
112 #define M8xx_MD_RAM1 826 /* DMMU RAM Entry Read Register 1 */
113 
114 #define M8xx_MI_CTR_GPM (1<<31)
115 #define M8xx_MI_CTR_PPM (1<<30)
116 #define M8xx_MI_CTR_CIDEF (1<<29)
117 #define M8xx_MI_CTR_RSV4I (1<<27)
118 #define M8xx_MI_CTR_PPCS (1<<25)
119 #define M8xx_MI_CTR_ITLB_INDX(x) ((x)<<8) /* ITLB index */
120 
121 #define M8xx_MD_CTR_GPM (1<<31)
122 #define M8xx_MD_CTR_PPM (1<<30)
123 #define M8xx_MD_CTR_CIDEF (1<<29)
124 #define M8xx_MD_CTR_WTDEF (1<<28)
125 #define M8xx_MD_CTR_RSV4D (1<<27)
126 #define M8xx_MD_CTR_TWAM (1<<26)
127 #define M8xx_MD_CTR_PPCS (1<<25)
128 #define M8xx_MD_CTR_DTLB_INDX(x) ((x)<<8) /* DTLB index */
129 
130 #define M8xx_MI_EPN_VALID (1<<9)
131 
132 #define M8xx_MD_EPN_VALID (1<<9)
133 
134 #define M8xx_MI_TWC_G (1<<4)
135 #define M8xx_MI_TWC_PSS (0<<2)
136 #define M8xx_MI_TWC_PS512 (1<<2)
137 #define M8xx_MI_TWC_PS8 (3<<2)
138 #define M8xx_MI_TWC_VALID (1)
139 
140 #define M8xx_MD_TWC_G (1<<4)
141 #define M8xx_MD_TWC_PSS (0<<2)
142 #define M8xx_MD_TWC_PS512 (1<<2)
143 #define M8xx_MD_TWC_PS8 (3<<2)
144 #define M8xx_MD_TWC_WT (1<<1)
145 #define M8xx_MD_TWC_VALID (1)
146 
147 #define M8xx_MI_RPN_F (0xf<<4)
148 #define M8xx_MI_RPN_16K (1<<3)
149 #define M8xx_MI_RPN_SHARED (1<<2)
150 #define M8xx_MI_RPN_CI (1<<1)
151 #define M8xx_MI_RPN_VALID (1)
152 
153 #define M8xx_MD_RPN_CHANGE (1<<8)
154 #define M8xx_MD_RPN_F (0xf<<4)
155 #define M8xx_MD_RPN_16K (1<<3)
156 #define M8xx_MD_RPN_SHARED (1<<2)
157 #define M8xx_MD_RPN_CI (1<<1)
158 #define M8xx_MD_RPN_VALID (1)
159 
160 #define M8xx_MI_AP_Kp (1)
161 
162 #define M8xx_MD_AP_Kp (1)
163 
164 #define M8xx_CACHE_CMD_SFWT (0x1<<24)
165 #define M8xx_CACHE_CMD_ENABLE (0x2<<24)
166 #define M8xx_CACHE_CMD_CFWT (0x3<<24)
167 #define M8xx_CACHE_CMD_DISABLE (0x4<<24)
168 #define M8xx_CACHE_CMD_STLES (0x5<<24)
169 #define M8xx_CACHE_CMD_LLCB (0x6<<24)
170 #define M8xx_CACHE_CMD_CLES (0x7<<24)
171 #define M8xx_CACHE_CMD_UNLOCK (0x8<<24)
172 #define M8xx_CACHE_CMD_UNLOCKALL (0xa<<24)
173 #define M8xx_CACHE_CMD_INVALIDATE (0xc<<24)
174 #define M8xx_CACHE_CMD_FLUSH (0xe<<24)
175 
176 /*
177 *************************************************************************
178 * REGISTER SUBBLOCKS *
179 *************************************************************************
180 */
181 
182 /*
183  * Memory controller registers
184  */
185 typedef struct m8xxMEMCRegisters_ {
186  uint32_t _br;
187  uint32_t _or; /* Used to be called 'or'; reserved ANSI C++ keyword */
189 
190 /*
191  * Serial Communications Controller registers
192  */
193 typedef struct m8xxSCCRegisters_ {
194  uint32_t gsmr_l;
195  uint32_t gsmr_h;
196  uint16_t psmr;
197  uint16_t _pad0;
198  uint16_t todr;
199  uint16_t dsr;
200  uint16_t scce;
201  uint16_t _pad1;
202  uint16_t sccm;
203  uint8_t _pad2;
204  uint8_t sccs;
205  uint32_t _pad3[2];
207 
208 /*
209  * Serial Management Controller registers
210  */
211 typedef struct m8xxSMCRegisters_ {
212  uint16_t _pad0;
213  uint16_t smcmr;
214  uint16_t _pad1;
215  uint8_t smce;
216  uint8_t _pad2;
217  uint16_t _pad3;
218  uint8_t smcm;
219  uint8_t _pad4;
220  uint32_t _pad5;
222 
223 /*
224  * Fast Ethernet Controller registers (Only on MPC8xxT)
225  */
226 typedef struct m8xxFECRegisters_ {
227  uint32_t addr_low;
228  uint32_t addr_high;
229  uint32_t hash_table_high;
230  uint32_t hash_table_low;
231  uint32_t r_des_start;
232  uint32_t x_des_start;
233  uint32_t r_buf_size;
234  uint32_t _pad0[9];
235  uint32_t ecntrl;
236  uint32_t ievent;
237  uint32_t imask;
238  uint32_t ivec;
239  uint32_t r_des_active;
240  uint32_t x_des_active;
241  uint32_t _pad1[10];
242  uint32_t mii_data;
243  uint32_t mii_speed;
244  uint32_t _pad2[17];
245  uint32_t r_bound;
246  uint32_t r_fstart;
247  uint32_t _pad3[6];
248  uint32_t x_fstart;
249  uint32_t _pad4[17];
250  uint32_t fun_code;
251  uint32_t _pad5[3];
252  uint32_t r_cntrl;
253  uint32_t r_hash;
254  uint32_t _pad6[14];
255  uint32_t x_cntrl;
256  uint32_t _pad7[30];
257 
259 
260 #define M8xx_FEC_IEVENT_HBERR (1 << 31)
261 #define M8xx_FEC_IEVENT_BABR (1 << 30)
262 #define M8xx_FEC_IEVENT_BABT (1 << 29)
263 #define M8xx_FEC_IEVENT_GRA (1 << 28)
264 #define M8xx_FEC_IEVENT_TFINT (1 << 27)
265 #define M8xx_FEC_IEVENT_TXB (1 << 26)
266 #define M8xx_FEC_IEVENT_RFINT (1 << 25)
267 #define M8xx_FEC_IEVENT_RXB (1 << 24)
268 #define M8xx_FEC_IEVENT_MII (1 << 23)
269 #define M8xx_FEC_IEVENT_EBERR (1 << 22)
270 #define M8xx_FEC_IMASK_HBEEN (1 << 31)
271 #define M8xx_FEC_IMASK_BREEN (1 << 30)
272 #define M8xx_FEC_IMASK_BTEN (1 << 29)
273 #define M8xx_FEC_IMASK_GRAEN (1 << 28)
274 #define M8xx_FEC_IMASK_TFIEN (1 << 27)
275 #define M8xx_FEC_IMASK_TBIEN (1 << 26)
276 #define M8xx_FEC_IMASK_RFIEN (1 << 25)
277 #define M8xx_FEC_IMASK_RBIEN (1 << 24)
278 #define M8xx_FEC_IMASK_MIIEN (1 << 23)
279 #define M8xx_FEC_IMASK_EBERREN (1 << 22)
280 
281  /*
282  * access macros to write to mii_data register
283  */
284 #define M8xx_FEC_MII_DATA_ST ( 1 << (31- 1))
285 #define M8xx_FEC_MII_DATA_OP_RD ( 2 << (31- 3))
286 #define M8xx_FEC_MII_DATA_OP_WR ( 1 << (31- 3))
287 #define M8xx_FEC_MII_DATA_PHYAD(n) (((n) & 0x3f) << (31- 8))
288 #define M8xx_FEC_MII_DATA_PHYRA(n) (((n) & 0x3f) << (31-13))
289 #define M8xx_FEC_MII_DATA_TA ( 2 << (31-15))
290 #define M8xx_FEC_MII_DATA_WDATA(n) ((n) & 0xffff )
291 #define M8xx_FEC_MII_DATA_RDATA(reg) ((reg) & 0xffff )
292  /*
293  * bits for FEC ECNTRL register
294  */
295 #define M8xx_FEC_ECNTRL_FEC_PINMUX ( 1 << (31-29))
296 #define M8xx_FEC_ECNTRL_ETHER_EN ( 1 << (31-30))
297 #define M8xx_FEC_ECNTRL_RESET ( 1 << (31-31))
298 
299  /*
300  * bits for FEC R_CNTRL register
301  */
302 #define M8xx_FEC_R_CNTRL_BC_REJ ( 1 << (31-27))
303 #define M8xx_FEC_R_CNTRL_PROM ( 1 << (31-28))
304 #define M8xx_FEC_R_CNTRL_MII_MODE ( 1 << (31-29))
305 #define M8xx_FEC_R_CNTRL_DRT ( 1 << (31-30))
306 #define M8xx_FEC_R_CNTRL_LOOP ( 1 << (31-31))
307 
308  /*
309  * bits for FEC X_CNTRL register
310  */
311 #define M8xx_FEC_X_CNTRL_FDEN ( 1 << (31-29))
312 #define M8xx_FEC_X_CNTRL_HBC ( 1 << (31-30))
313 #define M8xx_FEC_X_CNTRL_GTS ( 1 << (31-31))
314 /*
315 *************************************************************************
316 * Miscellaneous Parameters *
317 *************************************************************************
318 */
319 typedef struct m8xxMiscParms_ {
320  uint16_t rev_num;
321  uint16_t _res1;
322  uint32_t _res2;
323  uint32_t _res3;
325 
326 /*
327 *************************************************************************
328 * RISC Timers *
329 *************************************************************************
330 */
331 typedef struct m8xxTimerParms_ {
332  uint16_t tm_base;
333  uint16_t _tm_ptr;
334  uint16_t _r_tmr;
335  uint16_t _r_tmv;
336  uint32_t tm_cmd;
337  uint32_t tm_cnt;
339 
340 /*
341  * RISC Controller Configuration Register (RCCR)
342  * All other bits in this register are reserved.
343  */
344 #define M8xx_RCCR_TIME (1<<15) /* Enable timer */
345 #define M8xx_RCCR_TIMEP(x) ((x)<<8) /* Timer period */
346 #define M8xx_RCCR_DR1M (1<<7) /* IDMA Rqst 1 Mode */
347 #define M8xx_RCCR_DR0M (1<<6) /* IDMA Rqst 0 Mode */
348 #define M8xx_RCCR_DRQP(x) ((x)<<4) /* IDMA Rqst Priority */
349 #define M8xx_RCCR_EIE (1<<3) /* External Interrupt Enable */
350 #define M8xx_RCCR_SCD (1<<2) /* Scheduler Configuration */
351 #define M8xx_RCCR_ERAM(x) (x) /* Enable RAM Microcode */
352 
353 /*
354  * Command register
355  * Set up this register before issuing a M8xx_CR_OP_SET_TIMER command.
356  */
357 #define M8xx_TM_CMD_V (1<<31) /* Set to enable timer */
358 #define M8xx_TM_CMD_R (1<<30) /* Set for automatic restart */
359 #define M8xx_TM_CMD_PWM (1<<29) /* Set for PWM operation */
360 #define M8xx_TM_CMD_TIMER(x) ((x)<<16) /* Select timer */
361 #define M8xx_TM_CMD_PERIOD(x) (x) /* Timer period (16 bits) */
362 
363 /*
364 *************************************************************************
365 * DMA Controllers *
366 *************************************************************************
367 */
368 typedef struct m8xxIDMAparms_ {
369  uint16_t ibase;
370  uint16_t dcmr;
371  uint32_t _sapr;
372  uint32_t _dapr;
373  uint16_t ibptr;
374  uint16_t _write_sp;
375  uint32_t _s_byte_c;
376  uint32_t _d_byte_c;
377  uint32_t _s_state;
378  uint32_t _itemp[4];
379  uint32_t _sr_mem;
380  uint16_t _read_sp;
381  uint16_t _res0;
382  uint16_t _res1;
383  uint16_t _res2;
384  uint32_t _d_state;
386 
387 
388 /*
389 *************************************************************************
390 * DSP *
391 *************************************************************************
392 */
393 typedef struct m8xxDSPparms_ {
394  uint32_t fdbase;
395  uint32_t _fd_ptr;
396  uint32_t _dstate;
397  uint32_t _pad0;
398  uint16_t _dstatus;
399  uint16_t _i;
400  uint16_t _tap;
401  uint16_t _cbase;
402  uint16_t _pad1;
403  uint16_t _xptr;
404  uint16_t _pad2;
405  uint16_t _yptr;
406  uint16_t _m;
407  uint16_t _pad3;
408  uint16_t _n;
409  uint16_t _pad4;
410  uint16_t _k;
411  uint16_t _pad5;
413 
414 /*
415 *************************************************************************
416 * Serial Communication Controllers *
417 *************************************************************************
418 */
419 typedef struct m8xxSCCparms_ {
420  uint16_t rbase;
421  uint16_t tbase;
422  uint8_t rfcr;
423  uint8_t tfcr;
424  uint16_t mrblr;
425  uint32_t _rstate;
426  uint32_t _pad0;
427  uint16_t _rbptr;
428  uint16_t _pad1;
429  uint32_t _pad2;
430  uint32_t _tstate;
431  uint32_t _pad3;
432  uint16_t _tbptr;
433  uint16_t _pad4;
434  uint32_t _pad5;
435  uint32_t _rcrc;
436  uint32_t _tcrc;
437  union {
438  struct {
439  uint32_t _res0;
440  uint32_t _res1;
441  uint16_t max_idl;
442  uint16_t _idlc;
443  uint16_t brkcr;
444  uint16_t parec;
445  uint16_t frmec;
446  uint16_t nosec;
447  uint16_t brkec;
448  uint16_t brkln;
449  uint16_t uaddr[2];
450  uint16_t _rtemp;
451  uint16_t toseq;
452  uint16_t character[8];
453  uint16_t rccm;
454  uint16_t rccr;
455  uint16_t rlbc;
456  } uart;
457  } un;
459 
460 typedef struct m8xxSCCENparms_ {
461  uint16_t rbase;
462  uint16_t tbase;
463  uint8_t rfcr;
464  uint8_t tfcr;
465  uint16_t mrblr;
466  uint32_t _rstate;
467  uint32_t _pad0;
468  uint16_t _rbptr;
469  uint16_t _pad1;
470  uint32_t _pad2;
471  uint32_t _tstate;
472  uint32_t _pad3;
473  uint16_t _tbptr;
474  uint16_t _pad4;
475  uint32_t _pad5;
476  uint32_t _rcrc;
477  uint32_t _tcrc;
478  union {
479  struct {
480  uint32_t _res0;
481  uint32_t _res1;
482  uint16_t max_idl;
483  uint16_t _idlc;
484  uint16_t brkcr;
485  uint16_t parec;
486  uint16_t frmec;
487  uint16_t nosec;
488  uint16_t brkec;
489  uint16_t brkln;
490  uint16_t uaddr[2];
491  uint16_t _rtemp;
492  uint16_t toseq;
493  uint16_t character[8];
494  uint16_t rccm;
495  uint16_t rccr;
496  uint16_t rlbc;
497  } uart;
498  struct {
499  uint32_t c_pres;
500  uint32_t c_mask;
501  uint32_t crcec;
502  uint32_t alec;
503  uint32_t disfc;
504  uint16_t pads;
505  uint16_t ret_lim;
506  uint16_t _ret_cnt;
507  uint16_t mflr;
508  uint16_t minflr;
509  uint16_t maxd1;
510  uint16_t maxd2;
511  uint16_t _maxd;
512  uint16_t dma_cnt;
513  uint16_t _max_b;
514  uint16_t gaddr1;
515  uint16_t gaddr2;
516  uint16_t gaddr3;
517  uint16_t gaddr4;
518  uint32_t _tbuf0data0;
519  uint32_t _tbuf0data1;
520  uint32_t _tbuf0rba0;
521  uint32_t _tbuf0crc;
522  uint16_t _tbuf0bcnt;
523  uint16_t paddr_h;
524  uint16_t paddr_m;
525  uint16_t paddr_l;
526  uint16_t p_per;
527  uint16_t _rfbd_ptr;
528  uint16_t _tfbd_ptr;
529  uint16_t _tlbd_ptr;
530  uint32_t _tbuf1data0;
531  uint32_t _tbuf1data1;
532  uint32_t _tbuf1rba0;
533  uint32_t _tbuf1crc;
534  uint16_t _tbuf1bcnt;
535  uint16_t _tx_len;
536  uint16_t iaddr1;
537  uint16_t iaddr2;
538  uint16_t iaddr3;
539  uint16_t iaddr4;
540  uint16_t _boff_cnt;
541  uint16_t taddr_m;
542  uint16_t taddr_l;
543  uint16_t taddr_h;
544  } ethernet;
545  } un;
547 
548 /*
549  * Receive and transmit function code register bits
550  * These apply to the function code registers of all devices, not just SCC.
551  */
552 #define M8xx_RFCR_BO(x) ((x)<<3)
553 #define M8xx_RFCR_MOT (2<<3)
554 #define M8xx_RFCR_DMA_SPACE(x) (x)
555 #define M8xx_TFCR_BO(x) ((x)<<3)
556 #define M8xx_TFCR_MOT (2<<3)
557 #define M8xx_TFCR_DMA_SPACE(x) (x)
558 
559 /*
560  * Event and mask registers (SCCE, SCCM)
561  */
562 #define M8xx_SCCE_BRKE (1<<6)
563 #define M8xx_SCCE_BRK (1<<4)
564 #define M8xx_SCCE_BSY (1<<2)
565 #define M8xx_SCCE_TX (1<<1)
566 #define M8xx_SCCE_RX (1<<0)
567 
568 /*
569 *************************************************************************
570 * Serial Management Controllers *
571 *************************************************************************
572 */
573 typedef struct m8xxSMCparms_ {
574  uint16_t rbase;
575  uint16_t tbase;
576  uint8_t rfcr;
577  uint8_t tfcr;
578  uint16_t mrblr;
579  uint32_t _rstate;
580  uint32_t _pad0;
581  uint16_t _rbptr;
582  uint16_t _pad1;
583  uint32_t _pad2;
584  uint32_t _tstate;
585  uint32_t _pad3;
586  uint16_t _tbptr;
587  uint16_t _pad4;
588  uint32_t _pad5;
589  union {
590  struct {
591  uint16_t max_idl;
592  uint16_t _idlc;
593  uint16_t brkln;
594  uint16_t brkec;
595  uint16_t brkcr;
596  uint16_t _r_mask;
597  } uart;
598  struct {
599  uint16_t _pad0[5];
600  } transparent;
601  } un;
603 
604 /*
605  * Mode register
606  */
607 #define M8xx_SMCMR_CLEN(x) ((x)<<11) /* Character length */
608 #define M8xx_SMCMR_2STOP (1<<10) /* 2 stop bits */
609 #define M8xx_SMCMR_PARITY (1<<9) /* Enable parity */
610 #define M8xx_SMCMR_EVEN (1<<8) /* Even parity */
611 #define M8xx_SMCMR_SM_GCI (0<<4) /* GCI Mode */
612 #define M8xx_SMCMR_SM_UART (2<<4) /* UART Mode */
613 #define M8xx_SMCMR_SM_TRANSPARENT (3<<4) /* Transparent Mode */
614 #define M8xx_SMCMR_DM_LOOPBACK (1<<2) /* Local loopback mode */
615 #define M8xx_SMCMR_DM_ECHO (2<<2) /* Echo mode */
616 #define M8xx_SMCMR_TEN (1<<1) /* Enable transmitter */
617 #define M8xx_SMCMR_REN (1<<0) /* Enable receiver */
618 
619 /*
620  * Event and mask registers (SMCE, SMCM)
621  */
622 #define M8xx_SMCE_BRKE (1<<6)
623 #define M8xx_SMCE_BRK (1<<4)
624 #define M8xx_SMCE_BSY (1<<2)
625 #define M8xx_SMCE_TX (1<<1)
626 #define M8xx_SMCE_RX (1<<0)
627 
628 /*
629 *************************************************************************
630 * Serial Peripheral Interface *
631 *************************************************************************
632 */
633 typedef struct m8xxSPIparms_ {
634  uint16_t rbase;
635  uint16_t tbase;
636  uint8_t rfcr;
637  uint8_t tfcr;
638  uint16_t mrblr;
639  uint32_t _rstate;
640  uint32_t _pad0;
641  uint16_t _rbptr;
642  uint16_t _pad1;
643  uint32_t _pad2;
644  uint32_t _tstate;
645  uint32_t _pad3;
646  uint16_t _tbptr;
647  uint16_t _pad4;
648  uint32_t _pad5;
650 
651 /*
652  * Mode register (SPMODE)
653  */
654 #define M8xx_SPMODE_LOOP (1<<14) /* Local loopback mode */
655 #define M8xx_SPMODE_CI (1<<13) /* Clock invert */
656 #define M8xx_SPMODE_CP (1<<12) /* Clock phase */
657 #define M8xx_SPMODE_DIV16 (1<<11) /* Divide BRGCLK by 16 */
658 #define M8xx_SPMODE_REV (1<<10) /* Reverse data */
659 #define M8xx_SPMODE_MASTER (1<<9) /* SPI is master */
660 #define M8xx_SPMODE_EN (1<<8) /* Enable SPI */
661 #define M8xx_SPMODE_CLEN(x) ((x)<<4) /* Character length */
662 #define M8xx_SPMODE_PM(x) (x) /* Prescaler modulus */
663 
664 /*
665  * Mode register (SPCOM)
666  */
667 #define M8xx_SPCOM_STR (1<<7) /* Start transmit */
668 
669 /*
670  * Event and mask registers (SPIE, SPIM)
671  */
672 #define M8xx_SPIE_MME (1<<5) /* Multi-master error */
673 #define M8xx_SPIE_TXE (1<<4) /* Tx error */
674 #define M8xx_SPIE_BSY (1<<2) /* Busy condition*/
675 #define M8xx_SPIE_TXB (1<<1) /* Tx buffer */
676 #define M8xx_SPIE_RXB (1<<0) /* Rx buffer */
677 
678 /*
679 *************************************************************************
680 * SDMA (SCC, SMC, SPI) Buffer Descriptors *
681 *************************************************************************
682 */
683 typedef struct m8xxBufferDescriptor_ {
684  volatile uint16_t status;
685  uint16_t length;
686  void *buffer;
688 
689 /*
690  * Bits in receive buffer descriptor status word
691  */
692 #define M8xx_BD_EMPTY (1<<15) /* Ethernet, SCC UART, SMC UART, SPI */
693 #define M8xx_BD_WRAP (1<<13) /* Ethernet, SCC UART, SMC UART, SPI */
694 #define M8xx_BD_INTERRUPT (1<<12) /* Ethernet, SCC UART, SMC UART, SPI */
695 #define M8xx_BD_LAST (1<<11) /* Ethernet, SPI */
696 #define M8xx_BD_CONTROL_CHAR (1<<11) /* SCC UART */
697 #define M8xx_BD_FIRST_IN_FRAME (1<<10) /* Ethernet */
698 #define M8xx_BD_ADDRESS (1<<10) /* SCC UART */
699 #define M8xx_BD_CONTINUOUS (1<<9) /* SCC UART, SMC UART, SPI */
700 #define M8xx_BD_MISS (1<<8) /* Ethernet */
701 #define M8xx_BD_IDLE (1<<8) /* SCC UART, SMC UART */
702 #define M8xx_BD_ADDRSS_MATCH (1<<7) /* SCC UART */
703 #define M8xx_BD_LONG (1<<5) /* Ethernet */
704 #define M8xx_BD_BREAK (1<<5) /* SCC UART, SMC UART */
705 #define M8xx_BD_NONALIGNED (1<<4) /* Ethernet */
706 #define M8xx_BD_FRAMING_ERROR (1<<4) /* SCC UART, SMC UART */
707 #define M8xx_BD_SHORT (1<<3) /* Ethernet */
708 #define M8xx_BD_PARITY_ERROR (1<<3) /* SCC UART, SMC UART */
709 #define M8xx_BD_CRC_ERROR (1<<2) /* Ethernet */
710 #define M8xx_BD_OVERRUN (1<<1) /* Ethernet, SCC UART, SMC UART, SPI */
711 #define M8xx_BD_COLLISION (1<<0) /* Ethernet */
712 #define M8xx_BD_CARRIER_LOST (1<<0) /* SCC UART, SMC UART */
713 #define M8xx_BD_MASTER_ERROR (1<<0) /* SPI */
714 
715 /*
716  * Bits in transmit buffer descriptor status word
717  * Many bits have the same meaning as those in receiver buffer descriptors.
718  */
719 #define M8xx_BD_READY (1<<15) /* Ethernet, SCC UART, SMC UART, SPI */
720 #define M8xx_BD_PAD (1<<14) /* Ethernet */
721 #define M8xx_BD_CTS_REPORT (1<<11) /* SCC UART */
722 #define M8xx_BD_TX_CRC (1<<10) /* Ethernet */
723 #define M8xx_BD_DEFER (1<<9) /* Ethernet */
724 #define M8xx_BD_HEARTBEAT (1<<8) /* Ethernet */
725 #define M8xx_BD_PREAMBLE (1<<8) /* SCC UART, SMC UART */
726 #define M8xx_BD_LATE_COLLISION (1<<7) /* Ethernet */
727 #define M8xx_BD_NO_STOP_BIT (1<<7) /* SCC UART */
728 #define M8xx_BD_RETRY_LIMIT (1<<6) /* Ethernet */
729 #define M8xx_BD_RETRY_COUNT(x) (((x)&0x3C)>>2) /* Ethernet */
730 #define M8xx_BD_UNDERRUN (1<<1) /* Ethernet, SPI */
731 #define M8xx_BD_CARRIER_LOST (1<<0) /* Ethernet */
732 #define M8xx_BD_CTS_LOST (1<<0) /* SCC UART */
733 
734 /*
735 *************************************************************************
736 * IDMA Buffer Descriptors *
737 *************************************************************************
738 */
740  uint16_t status;
741  uint8_t dfcr;
742  uint8_t sfcr;
743  uint32_t length;
744  void *source;
745  void *destination;
747 
748 /*
749 *************************************************************************
750 * RISC Communication Processor Module Command Register (CR) *
751 *************************************************************************
752 */
753 #define M8xx_CR_RST (1<<15) /* Reset communication processor */
754 #define M8xx_CR_OP_INIT_RX_TX (0<<8) /* SCC, SMC UART, SMC GCI, SPI */
755 #define M8xx_CR_OP_INIT_RX (1<<8) /* SCC, SMC UART, SPI */
756 #define M8xx_CR_OP_INIT_TX (2<<8) /* SCC, SMC UART, SPI */
757 #define M8xx_CR_OP_INIT_HUNT (3<<8) /* SCC, SMC UART */
758 #define M8xx_CR_OP_STOP_TX (4<<8) /* SCC, SMC UART */
759 #define M8xx_CR_OP_GR_STOP_TX (5<<8) /* SCC */
760 #define M8xx_CR_OP_INIT_IDMA (5<<8) /* IDMA */
761 #define M8xx_CR_OP_RESTART_TX (6<<8) /* SCC, SMC UART */
762 #define M8xx_CR_OP_CLOSE_RX_BD (7<<8) /* SCC, SMC UART, SPI */
763 #define M8xx_CR_OP_SET_GRP_ADDR (8<<8) /* SCC */
764 #define M8xx_CR_OP_SET_TIMER (8<<8) /* Timer */
765 #define M8xx_CR_OP_GCI_TIMEOUT (9<<8) /* SMC GCI */
766 #define M8xx_CR_OP_RESERT_BCS (10<<8) /* SCC */
767 #define M8xx_CR_OP_GCI_ABORT (10<<8) /* SMC GCI */
768 #define M8xx_CR_OP_STOP_IDMA (11<<8) /* IDMA */
769 #define M8xx_CR_OP_START_DSP (12<<8) /* DSP */
770 #define M8xx_CR_OP_INIT_DSP (13<<8) /* DSP */
771 
772 #define M8xx_CR_CHAN_SCC1 (0<<4) /* Channel selection */
773 #define M8xx_CR_CHAN_I2C (1<<4)
774 #define M8xx_CR_CHAN_IDMA1 (1<<4)
775 #define M8xx_CR_CHAN_SCC2 (4<<4)
776 #define M8xx_CR_CHAN_SPI (5<<4)
777 #define M8xx_CR_CHAN_IDMA2 (5<<4)
778 #define M8xx_CR_CHAN_TIMER (5<<4)
779 #define M8xx_CR_CHAN_SCC3 (8<<4)
780 #define M8xx_CR_CHAN_SMC1 (9<<4)
781 #define M8xx_CR_CHAN_DSP1 (9<<4)
782 #define M8xx_CR_CHAN_SCC4 (12<<4)
783 #define M8xx_CR_CHAN_SMC2 (13<<4)
784 #define M8xx_CR_CHAN_DSP2 (13<<4)
785 #define M8xx_CR_FLG (1<<0) /* Command flag */
786 
787 /*
788 *************************************************************************
789 * System Protection Control Register (SYPCR) *
790 *************************************************************************
791 */
792 #define M8xx_SYPCR_SWTC(x) ((x)<<16) /* Software watchdog timer count */
793 #define M8xx_SYPCR_BMT(x) ((x)<<8) /* Bus monitor timing */
794 #define M8xx_SYPCR_BME (1<<7) /* Bus monitor enable */
795 #define M8xx_SYPCR_SWF (1<<3) /* Software watchdog freeze */
796 #define M8xx_SYPCR_SWE (1<<2) /* Software watchdog enable */
797 #define M8xx_SYPCR_SWRI (1<<1) /* Watchdog reset/interrupt sel. */
798 #define M8xx_SYPCR_SWP (1<<0) /* Software watchdog prescale */
799 
800 /*
801 *************************************************************************
802 * PCMCIA Control Registers
803 *************************************************************************
804 */
805 #define M8xx_PCMCIA_POR_BSIZE_1B (0x00 << (31-4))
806 #define M8xx_PCMCIA_POR_BSIZE_2B (0x01 << (31-4))
807 #define M8xx_PCMCIA_POR_BSIZE_4B (0x03 << (31-4))
808 #define M8xx_PCMCIA_POR_BSIZE_8B (0x02 << (31-4))
809 #define M8xx_PCMCIA_POR_BSIZE_16B (0x06 << (31-4))
810 #define M8xx_PCMCIA_POR_BSIZE_32B (0x07 << (31-4))
811 #define M8xx_PCMCIA_POR_BSIZE_64B (0x05 << (31-4))
812 #define M8xx_PCMCIA_POR_BSIZE_128B (0x04 << (31-4))
813 #define M8xx_PCMCIA_POR_BSIZE_256B (0x0C << (31-4))
814 #define M8xx_PCMCIA_POR_BSIZE_512B (0x0D << (31-4))
815 #define M8xx_PCMCIA_POR_BSIZE_1KB (0x0F << (31-4))
816 #define M8xx_PCMCIA_POR_BSIZE_2KB (0x0E << (31-4))
817 #define M8xx_PCMCIA_POR_BSIZE_4KB (0x0A << (31-4))
818 #define M8xx_PCMCIA_POR_BSIZE_8KB (0x0B << (31-4))
819 #define M8xx_PCMCIA_POR_BSIZE_16KB (0x09 << (31-4))
820 #define M8xx_PCMCIA_POR_BSIZE_32KB (0x08 << (31-4))
821 #define M8xx_PCMCIA_POR_BSIZE_64KB (0x18 << (31-4))
822 #define M8xx_PCMCIA_POR_BSIZE_128KB (0x19 << (31-4))
823 #define M8xx_PCMCIA_POR_BSIZE_256KB (0x1B << (31-4))
824 #define M8xx_PCMCIA_POR_BSIZE_512KB (0x1A << (31-4))
825 #define M8xx_PCMCIA_POR_BSIZE_1MB (0x1E << (31-4))
826 #define M8xx_PCMCIA_POR_BSIZE_2MB (0x1F << (31-4))
827 #define M8xx_PCMCIA_POR_BSIZE_4MB (0x1D << (31-4))
828 #define M8xx_PCMCIA_POR_BSIZE_8MB (0x1C << (31-4))
829 #define M8xx_PCMCIA_POR_BSIZE_16MB (0x14 << (31-4))
830 #define M8xx_PCMCIA_POR_BSIZE_32MB (0x15 << (31-4))
831 #define M8xx_PCMCIA_POR_BSIZE_64MB (0x17 << (31-4))
832 
833 #define M8xx_PCMCIA_POR_PSHT(x) (((x) & 0x0f) << (31-15))
834 #define M8xx_PCMCIA_POR_PSST(x) (((x) & 0x0f) << (31-19))
835 #define M8xx_PCMCIA_POR_PSL(x) (((x) & 0x1f) << (31-24))
836 #define M8xx_PCMCIA_POR_PPS_8 ((0) << (31-19))
837 #define M8xx_PCMCIA_POR_PPS_16 ((1) << (31-19))
838 
839 #define M8xx_PCMCIA_POR_PRS_MEM ((0) << (31-28))
840 #define M8xx_PCMCIA_POR_PRS_ATT ((2) << (31-28))
841 #define M8xx_PCMCIA_POR_PRS_IO ((3) << (31-28))
842 #define M8xx_PCMCIA_POR_PRS_DMA ((4) << (31-28))
843 #define M8xx_PCMCIA_POR_PRS_DML ((5) << (31-28))
844 
845 #define M8xx_PCMCIA_POR_PSLOT_A ((0) << (31-29))
846 #define M8xx_PCMCIA_POR_PSLOT_B ((1) << (31-29))
847 
848 #define M8xx_PCMCIA_POR_WP ((1) << (31-30))
849 #define M8xx_PCMCIA_POR_VALID ((1) << (31-31))
850 
851 #define M8xx_PCMCIA_PGCR_CIRQLVL(x) (((x) & 0xff) << (31- 7))
852 #define M8xx_PCMCIA_PGCR_CSCHLVL(x) (((x) & 0xff) << (31-15))
853 #define M8xx_PCMCIA_PGCR_CDRQ_OFF ((0) << (31-17))
854 #define M8xx_PCMCIA_PGCR_CDRQ_IOIS16 ((2) << (31-17))
855 #define M8xx_PCMCIA_PGCR_CDRQ_SPKR ((3) << (31-17))
856 #define M8xx_PCMCIA_PGCR_COE ((1) << (31-24))
857 #define M8xx_PCMCIA_PGCR_CRESET ((1) << (31-25))
858 
859 #define M8xx_PCMCIA_PIPR_CAVS1 ((1) << (31- 0))
860 #define M8xx_PCMCIA_PIPR_CAVS2 ((1) << (31- 1))
861 #define M8xx_PCMCIA_PIPR_CAWP ((1) << (31- 2))
862 #define M8xx_PCMCIA_PIPR_CACD2 ((1) << (31- 3))
863 #define M8xx_PCMCIA_PIPR_CACD1 ((1) << (31- 4))
864 #define M8xx_PCMCIA_PIPR_CABVD2 ((1) << (31- 5))
865 #define M8xx_PCMCIA_PIPR_CABVD1 ((1) << (31- 6))
866 #define M8xx_PCMCIA_PIPR_CARDY ((1) << (31- 7))
867 #define M8xx_PCMCIA_PIPR_CBVS1 ((1) << (31-16))
868 #define M8xx_PCMCIA_PIPR_CBVS2 ((1) << (31-17))
869 #define M8xx_PCMCIA_PIPR_CBWP ((1) << (31-18))
870 #define M8xx_PCMCIA_PIPR_CBCD2 ((1) << (31-19))
871 #define M8xx_PCMCIA_PIPR_CBCD1 ((1) << (31-20))
872 #define M8xx_PCMCIA_PIPR_CBBVD2 ((1) << (31-21))
873 #define M8xx_PCMCIA_PIPR_CBBVD1 ((1) << (31-22))
874 #define M8xx_PCMCIA_PIPR_CBRDY ((1) << (31-23))
875 
876 
877 #define M8xx_SYPCR_BMT(x) ((x)<<8) /* Bus monitor timing */
878 #define M8xx_SYPCR_BME (1<<7) /* Bus monitor enable */
879 #define M8xx_SYPCR_SWF (1<<3) /* Software watchdog freeze */
880 #define M8xx_SYPCR_SWE (1<<2) /* Software watchdog enable */
881 #define M8xx_SYPCR_SWRI (1<<1) /* Watchdog reset/interrupt sel. */
882 #define M8xx_SYPCR_SWP (1<<0) /* Software watchdog prescale */
883 
884 /*
885 *************************************************************************
886 * Memory Control Registers *
887 *************************************************************************
888 */
889 #define M8xx_UPM_AMX_8col (0<<20) /* 8 column DRAM */
890 #define M8xx_UPM_AMX_9col (1<<20) /* 9 column DRAM */
891 #define M8xx_UPM_AMX_10col (2<<20) /* 10 column DRAM */
892 #define M8xx_UPM_AMX_11col (3<<20) /* 11 column DRAM */
893 #define M8xx_UPM_AMX_12col (4<<20) /* 12 column DRAM */
894 #define M8xx_UPM_AMX_13col (5<<20) /* 13 column DRAM */
895 #define M8xx_MSR_PER(x) (0x100<<(7-x)) /* Perity error bank (x) */
896 #define M8xx_MSR_WPER (1<<7) /* Write protection error */
897 #define M8xx_MPTPR_PTP(x) ((x)<<8) /* Periodic timer prescaler */
898 #define M8xx_BR_BA(x) ((x)&0xffff8000) /* Base address */
899 #define M8xx_BR_AT(x) ((x)<<12) /* Address type */
900 #define M8xx_BR_PS8 (1<<10) /* 8 bit port */
901 #define M8xx_BR_PS16 (2<<10) /* 16 bit port */
902 #define M8xx_BR_PS32 (0<<10) /* 32 bit port */
903 #define M8xx_BR_PARE (1<<9) /* Parity checking enable */
904 #define M8xx_BR_WP (1<<8) /* Write protect */
905 #define M8xx_BR_MS_GPCM (0<<6) /* GPCM */
906 #define M8xx_BR_MS_UPMA (2<<6) /* UPM A */
907 #define M8xx_BR_MS_UPMB (3<<6) /* UPM B */
908 #define M8xx_MEMC_BR_V (1<<0) /* Base/Option register are valid */
909 
910 #define M8xx_MEMC_OR_32K 0xffff8000 /* Address range */
911 #define M8xx_MEMC_OR_64K 0xffff0000
912 #define M8xx_MEMC_OR_128K 0xfffe0000
913 #define M8xx_MEMC_OR_256K 0xfffc0000
914 #define M8xx_MEMC_OR_512K 0xfff80000
915 #define M8xx_MEMC_OR_1M 0xfff00000
916 #define M8xx_MEMC_OR_2M 0xffe00000
917 #define M8xx_MEMC_OR_4M 0xffc00000
918 #define M8xx_MEMC_OR_8M 0xff800000
919 #define M8xx_MEMC_OR_16M 0xff000000
920 #define M8xx_MEMC_OR_32M 0xfe000000
921 #define M8xx_MEMC_OR_64M 0xfc000000
922 #define M8xx_MEMC_OR_128 0xf8000000
923 #define M8xx_MEMC_OR_256M 0xf0000000
924 #define M8xx_MEMC_OR_512M 0xe0000000
925 #define M8xx_MEMC_OR_1G 0xc0000000
926 #define M8xx_MEMC_OR_2G 0x80000000
927 #define M8xx_MEMC_OR_4G 0x00000000
928 #define M8xx_MEMC_OR_ATM(x) ((x)<<12) /* Address type mask */
929 #define M8xx_MEMC_OR_CSNT (1<<11) /* Chip select is negated early */
930 #define M8xx_MEMC_OR_SAM (1<<11) /* Address lines are multiplexed */
931 #define M8xx_MEMC_OR_ACS_NORM (0<<9) /* *CS asserted with addr lines */
932 #define M8xx_MEMC_OR_ACS_QRTR (2<<9) /* *CS asserted 1/4 after addr */
933 #define M8xx_MEMC_OR_ACS_HALF (3<<9) /* *CS asserted 1/2 after addr */
934 #define M8xx_MEMC_OR_BI (1<<8) /* Burst inhibit */
935 #define M8xx_MEMC_OR_SCY(x) ((x)<<4) /* Cycle length in clocks */
936 #define M8xx_MEMC_OR_SETA (1<<3) /* *TA generated externally */
937 #define M8xx_MEMC_OR_TRLX (1<<2) /* Relaxed timing in GPCM */
938 #define M8xx_MEMC_OR_EHTR (1<<1) /* Extended hold time on reads */
939 
940 /*
941 *************************************************************************
942 * UPM Registers (MxMR) *
943 *************************************************************************
944 */
945 #define M8xx_MEMC_MMR_PTP(x) ((x)<<24) /* Periodic timer period */
946 #define M8xx_MEMC_MMR_PTE (1<<23) /* Periodic timer enable */
947 #define M8xx_MEMC_MMR_DSP(x) ((x)<<17) /* Disable timer period */
948 #define M8xx_MEMC_MMR_G0CL(x) ((x)<<13) /* General line 0 control */
949 #define M8xx_MEMC_MMR_UPWAIT (1<<12) /* GPL_x4 is UPWAITx */
950 #define M8xx_MEMC_MMR_RLF(x) ((x)<<8) /* Read loop field */
951 #define M8xx_MEMC_MMR_WLF(x) ((x)<<4) /* Write loop field */
952 #define M8xx_MEMC_MMR_TLF(x) ((x)<<0) /* Timer loop field */
953 /*
954 *************************************************************************
955 * Memory Command Register (MCR) *
956 *************************************************************************
957 */
958 #define M8xx_MEMC_MCR_WRITE (0<<30) /* WRITE command */
959 #define M8xx_MEMC_MCR_READ (1<<30) /* READ command */
960 #define M8xx_MEMC_MCR_RUN (2<<30) /* RUN command */
961 #define M8xx_MEMC_MCR_UPMA (0<<23) /* Cmd is for UPMA */
962 #define M8xx_MEMC_MCR_UPMB (1<<23) /* Cmd is for UPMB */
963 #define M8xx_MEMC_MCR_MB(x) ((x)<<13) /* Memory bank when RUN cmd */
964 #define M8xx_MEMC_MCR_MCLF(x) ((x)<<8) /* Memory command loop field */
965 #define M8xx_MEMC_MCR_MAD(x) (x) /* Machine address */
966 
967 
968 
969 /*
970 *************************************************************************
971 * SI Mode Register (SIMODE) *
972 *************************************************************************
973 */
974 #define M8xx_SI_SMC2_BITS 0xFFFF0000 /* All SMC2 bits */
975 #define M8xx_SI_SMC2_TDM (1<<31) /* Multiplexed SMC2 */
976 #define M8xx_SI_SMC2_BRG1 (0<<28) /* SMC2 clock souce */
977 #define M8xx_SI_SMC2_BRG2 (1<<28)
978 #define M8xx_SI_SMC2_BRG3 (2<<28)
979 #define M8xx_SI_SMC2_BRG4 (3<<28)
980 #define M8xx_SI_SMC2_CLK5 (0<<28)
981 #define M8xx_SI_SMC2_CLK6 (1<<28)
982 #define M8xx_SI_SMC2_CLK7 (2<<28)
983 #define M8xx_SI_SMC2_CLK8 (3<<28)
984 #define M8xx_SI_SMC1_BITS 0x0000FFFF /* All SMC1 bits */
985 #define M8xx_SI_SMC1_TDM (1<<15) /* Multiplexed SMC1 */
986 #define M8xx_SI_SMC1_BRG1 (0<<12) /* SMC1 clock souce */
987 #define M8xx_SI_SMC1_BRG2 (1<<12)
988 #define M8xx_SI_SMC1_BRG3 (2<<12)
989 #define M8xx_SI_SMC1_BRG4 (3<<12)
990 #define M8xx_SI_SMC1_CLK1 (0<<12)
991 #define M8xx_SI_SMC1_CLK2 (1<<12)
992 #define M8xx_SI_SMC1_CLK3 (2<<12)
993 #define M8xx_SI_SMC1_CLK4 (3<<12)
994 
995 /*
996 *************************************************************************
997 * SDMA Configuration Register (SDCR) *
998 *************************************************************************
999 */
1000 #define M8xx_SDCR_FREEZE (2<<13) /* Freeze on next bus cycle */
1001 #define M8xx_SDCR_RAID_5 (1<<0) /* Normal arbitration ID */
1002 
1003 /*
1004 *************************************************************************
1005 * SDMA Status Register (SDSR) *
1006 *************************************************************************
1007 */
1008 #define M8xx_SDSR_SBER (1<<7) /* SDMA Channel bus error */
1009 #define M8xx_SDSR_DSP2 (1<<1) /* DSP Chain 2 interrupt */
1010 #define M8xx_SDSR_DSP1 (1<<0) /* DSP Chain 1 interrupt */
1011 
1012 /*
1013 *************************************************************************
1014 * Baud (sic) Rate Generators *
1015 *************************************************************************
1016 */
1017 #define M8xx_BRG_RST (1<<17) /* Reset generator */
1018 #define M8xx_BRG_EN (1<<16) /* Enable generator */
1019 #define M8xx_BRG_EXTC_BRGCLK (0<<14) /* Source is BRGCLK */
1020 #define M8xx_BRG_EXTC_CLK2 (1<<14) /* Source is CLK2 pin */
1021 #define M8xx_BRG_EXTC_CLK6 (2<<14) /* Source is CLK6 pin */
1022 #define M8xx_BRG_ATB (1<<13) /* Autobaud */
1023 #define M8xx_BRG_115200 (21<<1) /* Assume 40 MHz clock */
1024 #define M8xx_BRG_57600 (32<<1)
1025 #define M8xx_BRG_38400 (64<<1)
1026 #define M8xx_BRG_19200 (129<<1)
1027 #define M8xx_BRG_9600 (259<<1)
1028 #define M8xx_BRG_4800 (520<<1)
1029 #define M8xx_BRG_2400 (1040<<1)
1030 #define M8xx_BRG_1200 (2082<<1)
1031 #define M8xx_BRG_600 ((259<<1) | 1)
1032 #define M8xx_BRG_300 ((520<<1) | 1)
1033 #define M8xx_BRG_150 ((1040<<1) | 1)
1034 #define M8xx_BRG_75 ((2080<<1) | 1)
1035 
1036 #define M8xx_TGCR_CAS4 (1<<15) /* Cascade timers 3 and 4 */
1037 #define M8xx_TGCR_CAS2 (1<<7) /* Cascade timers 1 and 2 */
1038 #define M8xx_TGCR_FRZ1 (1<<2) /* Halt timer if FREEZE asserted */
1039 #define M8xx_TGCR_FRZ2 (1<<6) /* Halt timer if FREEZE asserted */
1040 #define M8xx_TGCR_FRZ3 (1<<10) /* Halt timer if FREEZE asserted */
1041 #define M8xx_TGCR_FRZ4 (1<<14) /* Halt timer if FREEZE asserted */
1042 #define M8xx_TGCR_STP1 (1<<1) /* Stop timer */
1043 #define M8xx_TGCR_STP2 (1<<5) /* Stop timer */
1044 #define M8xx_TGCR_STP3 (1<<9) /* Stop timer */
1045 #define M8xx_TGCR_STP4 (1<<13) /* Stop timer */
1046 #define M8xx_TGCR_RST1 (1<<0) /* Enable timer */
1047 #define M8xx_TGCR_RST2 (1<<4) /* Enable timer */
1048 #define M8xx_TGCR_RST3 (1<<8) /* Enable timer */
1049 #define M8xx_TGCR_RST4 (1<<12) /* Enable timer */
1050 #define M8xx_TGCR_GM1 (1<<3) /* Gate Mode 1 for TMR1 or TMR2 */
1051 #define M8xx_TGCR_GM2 (1<<11) /* Gate Mode 2 for TMR3 or TMR4 */
1052 
1053 #define M8xx_TMR_PS(x) ((x)<<8) /* Timer prescaler */
1054 #define M8xx_TMR_CE_RISE (1<<6) /* Capture on rising edge */
1055 #define M8xx_TMR_CE_FALL (2<<6) /* Capture on falling edge */
1056 #define M8xx_TMR_CE_ANY (3<<6) /* Capture on any edge */
1057 #define M8xx_TMR_OM_TOGGLE (1<<5) /* Toggle TOUTx pin */
1058 #define M8xx_TMR_ORI (1<<4) /* Interrupt on reaching reference */
1059 #define M8xx_TMR_RESTART (1<<3) /* Restart timer after reference */
1060 #define M8xx_TMR_ICLK_INT (1<<1) /* Internal clock is timer source */
1061 #define M8xx_TMR_ICLK_INT16 (2<<1) /* Internal clock/16 is tmr src */
1062 #define M8xx_TMR_ICLK_TIN (3<<1) /* TIN pin is timer source */
1063 #define M8xx_TMR_TGATE (1<<0) /* TGATE controls timer */
1064 
1065 #define M8xx_PISCR_PIRQ(x) (1<<(15-x)) /* PIT interrupt level */
1066 #define M8xx_PISCR_PS (1<<7) /* PIT Interrupt state */
1067 #define M8xx_PISCR_PIE (1<<2) /* PIT interrupt enable */
1068 #define M8xx_PISCR_PITF (1<<1) /* Stop timer when freeze asserted */
1069 #define M8xx_PISCR_PTE (1<<0) /* PIT enable */
1070 
1071 #define M8xx_TBSCR_TBIRQ(x) (1<<(15-x)) /* TB interrupt level */
1072 #define M8xx_TBSCR_REFA (1<<7) /* TB matches TBREFF0 */
1073 #define M8xx_TBSCR_REFB (1<<6) /* TB matches TBREFF1 */
1074 #define M8xx_TBSCR_REFAE (1<<3) /* Enable ints for REFA */
1075 #define M8xx_TBSCR_REFBE (1<<2) /* Enable ints for REFB */
1076 #define M8xx_TBSCR_TBF (1<<1) /* TB stops on FREEZE */
1077 #define M8xx_TBSCR_TBE (1<<0) /* enable TB and decrementer */
1078 
1079 #define M8xx_SIMASK_IRM0 (1<<31)
1080 #define M8xx_SIMASK_LVM0 (1<<30)
1081 #define M8xx_SIMASK_IRM1 (1<<29)
1082 #define M8xx_SIMASK_LVM1 (1<<28)
1083 #define M8xx_SIMASK_IRM2 (1<<27)
1084 #define M8xx_SIMASK_LVM2 (1<<26)
1085 #define M8xx_SIMASK_IRM3 (1<<25)
1086 #define M8xx_SIMASK_LVM3 (1<<24)
1087 #define M8xx_SIMASK_IRM4 (1<<23)
1088 #define M8xx_SIMASK_LVM4 (1<<22)
1089 #define M8xx_SIMASK_IRM5 (1<<21)
1090 #define M8xx_SIMASK_LVM5 (1<<20)
1091 #define M8xx_SIMASK_IRM6 (1<<19)
1092 #define M8xx_SIMASK_LVM6 (1<<18)
1093 #define M8xx_SIMASK_IRM7 (1<<17)
1094 #define M8xx_SIMASK_LVM7 (1<<16)
1095 
1096 #define M8xx_SIUMCR_EARB (1<<31)
1097 #define M8xx_SIUMCR_EARP0 (0<<28)
1098 #define M8xx_SIUMCR_EARP1 (1<<28)
1099 #define M8xx_SIUMCR_EARP2 (2<<28)
1100 #define M8xx_SIUMCR_EARP3 (3<<28)
1101 #define M8xx_SIUMCR_EARP4 (4<<28)
1102 #define M8xx_SIUMCR_EARP5 (5<<28)
1103 #define M8xx_SIUMCR_EARP6 (6<<28)
1104 #define M8xx_SIUMCR_EARP7 (7<<28)
1105 #define M8xx_SIUMCR_DSHW (1<<23)
1106 #define M8xx_SIUMCR_DBGC0 (0<<21)
1107 #define M8xx_SIUMCR_DBGC1 (1<<21)
1108 #define M8xx_SIUMCR_DBGC2 (2<<21)
1109 #define M8xx_SIUMCR_DBGC3 (3<<21)
1110 #define M8xx_SIUMCR_DBPC0 (0<<19)
1111 #define M8xx_SIUMCR_DBPC1 (1<<19)
1112 #define M8xx_SIUMCR_DBPC2 (2<<19)
1113 #define M8xx_SIUMCR_DBPC3 (3<<19)
1114 #define M8xx_SIUMCR_FRC (1<<17)
1115 #define M8xx_SIUMCR_DLK (1<<16)
1116 #define M8xx_SIUMCR_PNCS (1<<15)
1117 #define M8xx_SIUMCR_OPAR (1<<14)
1118 #define M8xx_SIUMCR_DPC (1<<13)
1119 #define M8xx_SIUMCR_MPRE (1<<12)
1120 #define M8xx_SIUMCR_MLRC0 (0<<10)
1121 #define M8xx_SIUMCR_MLRC1 (1<<10)
1122 #define M8xx_SIUMCR_MLRC2 (2<<10)
1123 #define M8xx_SIUMCR_MLRC3 (3<<10)
1124 #define M8xx_SIUMCR_AEME (1<<9)
1125 #define M8xx_SIUMCR_SEME (1<<8)
1126 #define M8xx_SIUMCR_BSC (1<<7)
1127 #define M8xx_SIUMCR_GB5E (1<<6)
1128 #define M8xx_SIUMCR_B2DD (1<<5)
1129 #define M8xx_SIUMCR_B3DD (1<<4)
1130 
1131 /*
1132  * Value to write to a key register to unlock the corresponding SIU register
1133  */
1134 #define M8xx_UNLOCK_KEY 0x55CCAA33
1135 
1136 /*
1137 *************************************************************************
1138 * MPC8xx INTERNAL MEMORY MAP REGISTERS (IMMR provides base address) *
1139 *************************************************************************
1140 */
1141 typedef struct m8xx_ {
1142 
1143  /*
1144  * SIU Block
1145  */
1146  uint32_t siumcr;
1147  uint32_t sypcr;
1148 #if defined(mpc860)
1149  uint32_t swt;
1150 #elif defined(mpc821)
1151  uint32_t _pad70;
1152 #endif
1153  uint16_t _pad0;
1154  uint16_t swsr;
1155  uint32_t sipend;
1156  uint32_t simask;
1157  uint32_t siel;
1158  uint32_t sivec;
1159  uint32_t tesr;
1160  uint32_t _pad1[3];
1161  uint32_t sdcr;
1162  uint8_t _pad2[0x80-0x34];
1163 
1164  /*
1165  * PCMCIA Block
1166  */
1167  uint32_t pbr0;
1168  uint32_t por0;
1169  uint32_t pbr1;
1170  uint32_t por1;
1171  uint32_t pbr2;
1172  uint32_t por2;
1173  uint32_t pbr3;
1174  uint32_t por3;
1175  uint32_t pbr4;
1176  uint32_t por4;
1177  uint32_t pbr5;
1178  uint32_t por5;
1179  uint32_t pbr6;
1180  uint32_t por6;
1181  uint32_t pbr7;
1182  uint32_t por7;
1183  uint8_t _pad3[0xe0-0xc0];
1184  uint32_t pgcra;
1185  uint32_t pgcrb;
1186  uint32_t pscr;
1187  uint32_t _pad4;
1188  uint32_t pipr;
1189  uint32_t _pad5;
1190  uint32_t per;
1191  uint32_t _pad6;
1192 
1193  /*
1194  * MEMC Block
1195  */
1196  m8xxMEMCRegisters_t memc[8];
1197  uint8_t _pad7[0x164-0x140];
1198  uint32_t mar;
1199  uint32_t mcr;
1200  uint32_t _pad8;
1201  uint32_t mamr;
1202  uint32_t mbmr;
1203  uint16_t mstat;
1204  uint16_t mptpr;
1205  uint32_t mdr;
1206  uint8_t _pad9[0x200-0x180];
1207 
1208  /*
1209  * System integration timers
1210  */
1211  uint16_t tbscr;
1212  uint16_t _pad10;
1213  uint32_t tbreff0;
1214  uint32_t tbreff1;
1215  uint8_t _pad11[0x220-0x20c];
1216  uint16_t rtcsc;
1217  uint16_t _pad12;
1218  uint32_t rtc;
1219  uint32_t rtsec;
1220  uint32_t rtcal;
1221  uint32_t _pad13[4];
1222  uint16_t piscr;
1223  uint16_t _pad14;
1224  uint16_t pitc;
1225  uint16_t _pad_14_1;
1226  uint16_t pitr;
1227  uint16_t _pad_14_2;
1228  uint8_t _pad15[0x280-0x24c];
1229 
1230 
1231  /*
1232  * Clocks and Reset
1233  */
1234  uint32_t sccr;
1235  uint32_t plprcr;
1236  uint32_t rsr;
1237  uint8_t _pad16[0x300-0x28c];
1238 
1239 
1240  /*
1241  * System integration timers keys
1242  */
1243  uint32_t tbscrk;
1244  uint32_t tbreff0k;
1245  uint32_t tbreff1k;
1246  uint32_t tbk;
1247  uint32_t _pad17[4];
1248  uint32_t rtcsk;
1249  uint32_t rtck;
1250  uint32_t rtseck;
1251  uint32_t rtcalk;
1252  uint32_t _pad18[4];
1253  uint32_t piscrk;
1254  uint32_t pitck;
1255  uint8_t _pad19[0x380-0x348];
1256 
1257  /*
1258  * Clocks and Reset Keys
1259  */
1260  uint32_t sccrk;
1261  uint32_t plprck;
1262  uint32_t rsrk;
1263  uint8_t _pad20[0x400-0x38c];
1264  uint8_t _pad21[0x800-0x400];
1265  uint8_t _pad22[0x860-0x800];
1266 
1267 
1268  /*
1269  * I2C
1270  */
1271  uint8_t i2mod;
1272  uint8_t _pad23[3];
1273  uint8_t i2add;
1274  uint8_t _pad24[3];
1275  uint8_t i2brg;
1276  uint8_t _pad25[3];
1277  uint8_t i2com;
1278  uint8_t _pad26[3];
1279  uint8_t i2cer;
1280  uint8_t _pad27[3];
1281  uint8_t i2cmr;
1282  uint8_t _pad28[0x900-0x875];
1283 
1284  /*
1285  * DMA Block
1286  */
1287  uint32_t _pad29;
1288  uint32_t sdar;
1289  uint8_t sdsr;
1290  uint8_t _pad30[3];
1291  uint8_t sdmr;
1292  uint8_t _pad31[3];
1293  uint8_t idsr1;
1294  uint8_t _pad32[3];
1295  uint8_t idmr1;
1296  uint8_t _pad33[3];
1297  uint8_t idsr2;
1298  uint8_t _pad34[3];
1299  uint8_t idmr2;
1300  uint8_t _pad35[0x930-0x91d];
1301 
1302  /*
1303  * CPM Interrupt Control Block
1304  */
1305  uint16_t civr;
1306  uint8_t _pad36[14];
1307  uint32_t cicr;
1308  uint32_t cipr;
1309  uint32_t cimr;
1310  uint32_t cisr;
1311 
1312  /*
1313  * I/O Port Block
1314  */
1315  uint16_t padir;
1316  uint16_t papar;
1317  uint16_t paodr;
1318  uint16_t padat;
1319  uint8_t _pad37[8];
1320  uint16_t pcdir;
1321  uint16_t pcpar;
1322  uint16_t pcso;
1323  uint16_t pcdat;
1324  uint16_t pcint;
1325  uint8_t _pad39[6];
1326  uint16_t pddir;
1327  uint16_t pdpar;
1328  uint16_t _pad40;
1329  uint16_t pddat;
1330  uint8_t _pad41[8];
1331 
1332  /*
1333  * CPM Timers Block
1334  */
1335  uint16_t tgcr;
1336  uint8_t _pad42[14];
1337  uint16_t tmr1;
1338  uint16_t tmr2;
1339  uint16_t trr1;
1340  uint16_t trr2;
1341  uint16_t tcr1;
1342  uint16_t tcr2;
1343  uint16_t tcn1;
1344  uint16_t tcn2;
1345  uint16_t tmr3;
1346  uint16_t tmr4;
1347  uint16_t trr3;
1348  uint16_t trr4;
1349  uint16_t tcr3;
1350  uint16_t tcr4;
1351  uint16_t tcn3;
1352  uint16_t tcn4;
1353  uint16_t ter1;
1354  uint16_t ter2;
1355  uint16_t ter3;
1356  uint16_t ter4;
1357  uint8_t _pad43[8];
1358 
1359  /*
1360  * CPM Block
1361  */
1362  uint16_t cpcr;
1363  uint16_t _pad44;
1364  uint16_t rccr;
1365  uint8_t _pad45;
1366  uint8_t rmds;
1367  uint32_t rmdr;
1368  uint16_t rctr1;
1369  uint16_t rctr2;
1370  uint16_t rctr3;
1371  uint16_t rctr4;
1372  uint16_t _pad46;
1373  uint16_t rter;
1374  uint16_t _pad47;
1375  uint16_t rtmr;
1376  uint8_t _pad48[0x9f0-0x9dc];
1377 
1378  /*
1379  * BRG Block
1380  */
1381  uint32_t brgc1;
1382  uint32_t brgc2;
1383  uint32_t brgc3;
1384  uint32_t brgc4;
1385 
1386  /*
1387  * SCC Block
1388  */
1389  m8xxSCCRegisters_t scc1;
1390  m8xxSCCRegisters_t scc2;
1391 #if defined(mpc860)
1392  m8xxSCCRegisters_t scc3;
1393  m8xxSCCRegisters_t scc4;
1394 #elif defined(mpc821)
1395  uint8_t _pad72[0xa80-0xa40];
1396 #endif
1397 
1398  /*
1399  * SMC Block
1400  */
1401  m8xxSMCRegisters_t smc1;
1402  m8xxSMCRegisters_t smc2;
1403 
1404  /*
1405  * SPI Block
1406  */
1407  uint16_t spmode;
1408  uint16_t _pad49[2];
1409  uint8_t spie;
1410  uint8_t _pad50;
1411  uint16_t _pad51;
1412  uint8_t spim;
1413  uint8_t _pad52[2];
1414  uint8_t spcom;
1415  uint16_t _pad53[2];
1416 
1417  /*
1418  * PIP Block
1419  */
1420  uint16_t pipc;
1421  uint16_t _pad54;
1422  uint16_t ptpr;
1423  uint32_t pbdir;
1424  uint32_t pbpar;
1425  uint16_t _pad55;
1426  uint16_t pbodr;
1427  uint32_t pbdat;
1428  uint32_t _pad56[6];
1429 
1430  /*
1431  * SI Block
1432  */
1433  uint32_t simode;
1434  uint8_t sigmr;
1435  uint8_t _pad57;
1436  uint8_t sistr;
1437  uint8_t sicmr;
1438  uint32_t _pad58;
1439  uint32_t sicr;
1440  uint16_t sirp[2];
1441  uint32_t _pad59[3];
1442  uint8_t _pad60[0xc00-0xb00];
1443  uint8_t siram[512];
1444 #if defined(mpc860)
1445  /*
1446  * This is only used on the MPC8xxT - for the Fast Ethernet Controller (FEC)
1447  */
1449 #elif defined(mpc821)
1450  uint8_t lcdram[512];
1451 #endif
1452  uint8_t _pad62[0x2000-0x1000];
1453 
1454  /*
1455  * Dual-port RAM
1456  */
1457  uint8_t dpram0[0x200]; /* BD/DATA/UCODE */
1458  uint8_t dpram1[0x200]; /* BD/DATA/UCODE */
1459  uint8_t dpram2[0x400]; /* BD/DATA/UCODE */
1460  uint8_t dpram3[0x600]; /* BD/DATA*/
1461  uint8_t dpram4[0x200]; /* BD/DATA/UCODE */
1462  uint8_t _pad63[0x3c00-0x3000];
1463 
1464  /* When using SCC1 for ethernet, we lose the use of I2C since
1465  * their parameters would overlap. Motorola has a microcode
1466  * patch to move parameters around so that both can be used
1467  * together. It is available on their web site somewhere
1468  * under http://www.mot.com/mpc8xx. If ethernet is used on
1469  * one (or more) of the other SCCs, then other CPM features
1470  * will be unavailable:
1471  * SCC2 -> lose SPI
1472  * SCC3 -> lose SMC1
1473  * SCC4 -> lose SMC2
1474  * However, Ethernet only works on SCC1 on the 8xx.
1475  */
1476  m8xxSCCENparms_t scc1p;
1477  uint8_t _rsv1[0xCB0-0xC00-sizeof(m8xxSCCENparms_t)];
1478  m8xxMiscParms_t miscp;
1479  uint8_t _rsv2[0xcc0-0xCB0-sizeof(m8xxMiscParms_t)];
1480  m8xxIDMAparms_t idma1p;
1481  uint8_t _rsv3[0xd00-0xcc0-sizeof(m8xxIDMAparms_t)];
1482 
1483  m8xxSCCparms_t scc2p;
1484  uint8_t _rsv4[0xD80-0xD00-sizeof(m8xxSCCparms_t)];
1485  m8xxSPIparms_t spip;
1486  uint8_t _rsv5[0xDB0-0xD80-sizeof(m8xxSPIparms_t)];
1487  m8xxTimerParms_t tmp;
1488  uint8_t _rsv6[0xDC0-0xDB0-sizeof(m8xxTimerParms_t)];
1489  m8xxIDMAparms_t idma2p;
1490  uint8_t _rsv7[0xE00-0xDC0-sizeof(m8xxIDMAparms_t)];
1491 
1492  m8xxSCCparms_t scc3p; /* Not available on MPC821 */
1493  uint8_t _rsv8[0xE80-0xE00-sizeof(m8xxSCCparms_t)];
1494  m8xxSMCparms_t smc1p;
1495  uint8_t _rsv9[0xEC0-0xE80-sizeof(m8xxSMCparms_t)];
1496  m8xxDSPparms_t dsp1p;
1497  uint8_t _rsv10[0xF00-0xEC0-sizeof(m8xxDSPparms_t)];
1498 
1499  m8xxSCCparms_t scc4p; /* Not available on MPC821 */
1500  uint8_t _rsv11[0xF80-0xF00-sizeof(m8xxSCCparms_t)];
1501  m8xxSMCparms_t smc2p;
1502  uint8_t _rsv12[0xFC0-0xF80-sizeof(m8xxSMCparms_t)];
1503  m8xxDSPparms_t dsp2p;
1504  uint8_t _rsv13[0x1000-0xFC0-sizeof(m8xxDSPparms_t)];
1505 } m8xx_t;
1506 
1507 extern volatile m8xx_t m8xx;
1508 
1509 #ifdef __cplusplus
1510 }
1511 #endif
1512 
1513 #endif /* ASM */
1514 
1515 #endif /* _MPC8XX_H */
Definition: mpc8xx.h:633
Definition: mpc8xx.h:331
Definition: mpc8xx.h:226
Definition: mpc8xx.h:211
Definition: mpc8xx.h:573
Definition: mpc8xx.h:419
Definition: mpc8xx.h:193
Definition: 8xx_immap.h:340
Definition: mpc8xx.h:319
Definition: mpc8xx.h:460
Definition: mpc8xx.h:683
Definition: mpc8xx.h:739
Definition: mpc8xx.h:368
Definition: mpc8xx.h:185
Definition: mpc8xx.h:1141
Definition: mpc8xx.h:393