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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [powerpc/] [quicc/] [current/] [include/] [ppc8xx.h] - Blame information for rev 786

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1 786 skrzyp
#ifndef CYGONCE_HAL_PPC_QUICC_PPC8XX_H
2
#define CYGONCE_HAL_PPC_QUICC_PPC8XX_H
3
 
4
//==========================================================================
5
//
6
//      ppc8xx.h
7
//
8
//      PowerPC QUICC register definitions
9
//
10
//==========================================================================
11
// ####ECOSGPLCOPYRIGHTBEGIN####                                            
12
// -------------------------------------------                              
13
// This file is part of eCos, the Embedded Configurable Operating System.   
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// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
15
//
16
// eCos is free software; you can redistribute it and/or modify it under    
17
// the terms of the GNU General Public License as published by the Free     
18
// Software Foundation; either version 2 or (at your option) any later      
19
// version.                                                                 
20
//
21
// eCos is distributed in the hope that it will be useful, but WITHOUT      
22
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
23
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
24
// for more details.                                                        
25
//
26
// You should have received a copy of the GNU General Public License        
27
// along with eCos; if not, write to the Free Software Foundation, Inc.,    
28
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
29
//
30
// As a special exception, if other files instantiate templates or use      
31
// macros or inline functions from this file, or you compile this file      
32
// and link it with other works to produce a work based on this file,       
33
// this file does not by itself cause the resulting work to be covered by   
34
// the GNU General Public License. However the source code for this file    
35
// must still be made available in accordance with section (3) of the GNU   
36
// General Public License v2.                                               
37
//
38
// This exception does not invalidate any other reasons why a work based    
39
// on this file might be covered by the GNU General Public License.         
40
// -------------------------------------------                              
41
// ####ECOSGPLCOPYRIGHTEND####                                              
42
//==========================================================================
43
//#####DESCRIPTIONBEGIN####
44
//
45
// Author(s):    Red Hat
46
// Contributors: hmt
47
// Date:         1999-06-08
48
// Purpose:      Provide PPC QUICC definitions
49
// Description:  Provide PPC QUICC definitions
50
// Usage:        THIS IS NOT AN EXTERNAL API
51
//               This file is in the include dir to share it between
52
//               QUICC serial code and MBX initialization code.
53
//               #include <cyg/hal/quicc/ppc8xx.h>
54
//               ...
55
//              
56
//
57
//####DESCRIPTIONEND####
58
//
59
//==========================================================================
60
 
61
#ifdef __ASSEMBLER__
62
 
63
#define SIUMCR     0x000        /* SIU Module configuration */
64
#define SYPCR      0x004        /* SIU System Protection Control */
65
#define SIPEND     0x010        /* SIU Interrupt Pending Register */
66
#define SIMASK     0x014        /* SIU Interrupt MASK Register */
67
#define SIEL       0x018        /* SIU Interrupt Edge/Level Register */
68
#define SIVEC      0x01C        /* SIU Interrupt Vector Register */
69
#define SDCR       0x030        /* SDMA Config Register */
70
#define BR0        0x100        /* Base Register 0 */
71
#define OR0        0x104        /* Option Register 0 */
72
#define BR1        0x108        /* Base Register 1 */
73
#define OR1        0x10C        /* Option Register 1 */
74
#define BR2        0x110        /* Base Register 2 */
75
#define OR2        0x114        /* Option Register 2 */
76
#define BR3        0x118        /* Base Register 2 */
77
#define OR3        0x11C        /* Option Register 2 */
78
#define BR4        0x120        /* Base Register 2 */
79
#define OR4        0x124        /* Option Register 2 */
80
#define BR5        0x128        /* Base Register 2 */
81
#define OR5        0x12C        /* Option Register 2 */
82
#define BR6        0x130        /* Base Register 2 */
83
#define OR6        0x134        /* Option Register 2 */
84
#define BR7        0x138        /* Base Register 2 */
85
#define OR7        0x13C        /* Option Register 2 */
86
#define MAR        0x164        /* Memory Address */
87
#define MCR        0x168        /* Memory Command */
88
#define MAMR       0x170        /* Machine A Mode Register */
89
#define MBMR       0x174        /* Machine B Mode Register */
90
#define MPTPR      0x17A        /* Memory Periodic Timer Prescaler */
91
#define MDR        0x17C        /* Memory Data */
92
#define TBSCR      0x200        /* Time Base Status and Control Register */
93
#define RTCSC      0x220        /* Real Timer Clock Status and Control */
94
#define PISCR      0x240        /* PIT Status and Control */
95
#define SCCR       0x280        /* System Clock Control Register */
96
#define PLPRCR     0x284        /* PLL, Low power & Reset Control Register */
97
#define RTCSCK     0x320
98
#define RTCK       0x324
99
#define RTSECK     0x328
100
#define RTCALK     0x32C
101
#define PADIR      0x950        /* Port A - Pin direction */
102
#define PAPAR      0x952        /* Port A - Pin assignment */
103
#define PAODR      0x954        /* Port A - Open Drain Control */
104
#define PADAT      0x956        /* Port A - Data */
105
 
106
#else
107
 
108
#include <cyg/infra/cyg_type.h>
109
 
110
/*****************************************************************
111
        Communications Processor Buffer Descriptor
112
*****************************************************************/
113
struct cp_bufdesc {
114
    volatile unsigned short ctrl;       /* status/control register */
115
    volatile unsigned short length;     /* buffer length */
116
    volatile char           *buffer;    /* buffer pointer */
117
};
118
 
119
/*****************************************************************
120
        HDLC parameter RAM
121
*****************************************************************/
122
 
123
struct hdlc_pram {
124
    /*
125
     * SCC parameter RAM
126
     */
127
    unsigned short      rbase;          /* RX BD base address */
128
    unsigned short      tbase;          /* TX BD base address */
129
    unsigned char       rfcr;           /* Rx function code */
130
    unsigned char       tfcr;           /* Tx function code */
131
    unsigned short      mrblr;          /* Rx buffer length */
132
    unsigned long       rstate;         /* Rx internal state */
133
    unsigned long       rptr;           /* Rx internal data pointer */
134
    unsigned short      rbptr;          /* rb BD Pointer */
135
    unsigned short      rcount;         /* Rx internal byte count */
136
    unsigned long       rtemp;          /* Rx temp */
137
    unsigned long       tstate;         /* Tx internal state */
138
    unsigned long       tptr;           /* Tx internal data pointer */
139
    unsigned short      tbptr;          /* Tx BD pointer */
140
    unsigned short      tcount;         /* Tx byte count */
141
    unsigned long       ttemp;          /* Tx temp */
142
    unsigned long       rcrc;           /* temp receive CRC */
143
    unsigned long       tcrc;           /* temp transmit CRC */
144
 
145
    /*
146
     * HDLC specific parameter RAM
147
     */
148
    unsigned char       RSRVD1[4];
149
    unsigned long       c_mask;         /* CRC constant */
150
    unsigned long       c_pres;         /* CRC preset */
151
    unsigned short      disfc;          /* discarded frame counter */
152
    unsigned short      crcec;          /* CRC error counter */
153
    unsigned short      abtsc;          /* abort sequence counter */
154
    unsigned short      nmarc;          /* nonmatching address rx cnt */
155
    unsigned short      retrc;          /* frame retransmission cnt */
156
    unsigned short      mflr;           /* maximum frame length reg */
157
    unsigned short      max_cnt;        /* maximum length counter */
158
    unsigned short      rfthr;          /* received frames threshold */
159
    unsigned short      rfcnt;          /* received frames count */
160
    unsigned short      hmask;          /* user defined frm addr mask */
161
    unsigned short      haddr1;         /* user defined frm address 1 */
162
    unsigned short      haddr2;         /* user defined frm address 2 */
163
    unsigned short      haddr3;         /* user defined frm address 3 */
164
    unsigned short      haddr4;         /* user defined frm address 4 */
165
    unsigned short      tmp;            /* temp */
166
    unsigned short      tmp_mb;         /* temp */
167
};
168
 
169
 
170
/*****************************************************************
171
        ASYNC HDLC parameter RAM
172
*****************************************************************/
173
 
174
struct async_hdlc_pram {
175
    /*
176
     * SCC parameter RAM
177
     */
178
    unsigned short      rbase;          /* RX BD base address */
179
    unsigned short      tbase;          /* TX BD base address */
180
    unsigned char       rfcr;           /* Rx function code */
181
    unsigned char       tfcr;           /* Tx function code */
182
    unsigned short      mrblr;          /* Rx buffer length */
183
    unsigned long       rstate;         /* Rx internal state */
184
    unsigned long       rptr;           /* Rx internal data pointer */
185
    unsigned short      rbptr;          /* rb BD Pointer */
186
    unsigned short      rcount;         /* Rx internal byte count */
187
    unsigned long       rtemp;          /* Rx temp */
188
    unsigned long       tstate;         /* Tx internal state */
189
    unsigned long       tptr;           /* Tx internal data pointer */
190
    unsigned short      tbptr;          /* Tx BD pointer */
191
    unsigned short      tcount;         /* Tx byte count */
192
    unsigned long       ttemp;          /* Tx temp */
193
    unsigned long       rcrc;           /* temp receive CRC */
194
    unsigned long       tcrc;           /* temp transmit CRC */
195
 
196
    /*
197
     * ASYNC HDLC specific parameter RAM
198
     */
199
    unsigned char       RSRVD1[4];
200
    unsigned long       c_mask;         /* CRC constant */
201
    unsigned long       c_pres;         /* CRC preset */
202
    unsigned short      bof;            /* begining of flag character */
203
    unsigned short      eof;            /* end of flag character */
204
    unsigned short      esc;            /* control escape character */
205
    unsigned char       RSRVD2[4];
206
    unsigned short      zero;           /* zero */
207
    unsigned char       RSRVD3[2];
208
    unsigned short      rfthr;          /* received frames threshold */
209
    unsigned char       RSRVD4[4];
210
    unsigned long       txctl_tbl;      /* Tx ctl char mapping table */
211
    unsigned long       rxctl_tbl;      /* Rx ctl char mapping table */
212
    unsigned short      nof;            /* Number of opening flags */
213
};
214
 
215
 
216
/*****************************************************************
217
        UART parameter RAM
218
*****************************************************************/
219
 
220
/*
221
 * bits in uart control characters table
222
 */
223
#define CC_INVALID      0x8000          /* control character is valid */
224
#define CC_REJ          0x4000          /* don't store char in buffer */
225
#define CC_CHAR         0x00ff          /* control character */
226
 
227
/* UART */
228
struct uart_pram {
229
    /*
230
     * SCC parameter RAM
231
     */
232
    unsigned short      rbase;          /* RX BD base address */
233
    unsigned short      tbase;          /* TX BD base address */
234
    unsigned char       rfcr;           /* Rx function code */
235
    unsigned char       tfcr;           /* Tx function code */
236
    unsigned short      mrblr;          /* Rx buffer length */
237
    unsigned long       rstate;         /* Rx internal state */
238
    unsigned long       rptr;           /* Rx internal data pointer */
239
    unsigned short      rbptr;          /* rb BD Pointer */
240
    unsigned short      rcount;         /* Rx internal byte count */
241
    unsigned long       rx_temp;        /* Rx temp */
242
    unsigned long       tstate;         /* Tx internal state */
243
    unsigned long       tptr;           /* Tx internal data pointer */
244
    unsigned short      tbptr;          /* Tx BD pointer */
245
    unsigned short      tcount;         /* Tx byte count */
246
    unsigned long       ttemp;          /* Tx temp */
247
    unsigned long       rcrc;           /* temp receive CRC */
248
    unsigned long       tcrc;           /* temp transmit CRC */
249
 
250
    /*
251
     * UART specific parameter RAM
252
     */
253
    unsigned char       RSRVD1[8];
254
    unsigned short      max_idl;        /* maximum idle characters */
255
    unsigned short      idlc;           /* rx idle counter (internal) */
256
    unsigned short      brkcr;          /* break count register */
257
 
258
    unsigned short      parec;          /* Rx parity error counter */
259
    unsigned short      frmer;          /* Rx framing error counter */
260
    unsigned short      nosec;          /* Rx noise counter */
261
    unsigned short      brkec;          /* Rx break character counter */
262
    unsigned short      brkln;          /* Reaceive break length */
263
 
264
    unsigned short      uaddr1;         /* address character 1 */
265
    unsigned short      uaddr2;         /* address character 2 */
266
    unsigned short      rtemp;          /* temp storage */
267
    unsigned short      toseq;          /* Tx out of sequence char */
268
    unsigned short      cc[8];          /* Rx control characters */
269
    unsigned short      rccm;           /* Rx control char mask */
270
    unsigned short      rccr;           /* Rx control char register */
271
    unsigned short      rlbc;           /* Receive last break char */
272
};
273
 
274
 
275
 
276
/*****************************************************************
277
        BISYNC parameter RAM
278
*****************************************************************/
279
 
280
struct bisync_pram {
281
    /*
282
     * SCC parameter RAM
283
     */
284
    unsigned short      rbase;          /* RX BD base address */
285
    unsigned short      tbase;          /* TX BD base address */
286
    unsigned char       rfcr;           /* Rx function code */
287
    unsigned char       tfcr;           /* Tx function code */
288
    unsigned short      mrblr;          /* Rx buffer length */
289
    unsigned long       rstate;         /* Rx internal state */
290
    unsigned long       rptr;           /* Rx internal data pointer */
291
    unsigned short      rbptr;          /* rb BD Pointer */
292
    unsigned short      rcount;         /* Rx internal byte count */
293
    unsigned long       rtemp;          /* Rx temp */
294
    unsigned long       tstate;         /* Tx internal state */
295
    unsigned long       tptr;           /* Tx internal data pointer */
296
    unsigned short      tbptr;          /* Tx BD pointer */
297
    unsigned short      tcount;         /* Tx byte count */
298
    unsigned long       ttemp;          /* Tx temp */
299
    unsigned long       rcrc;           /* temp receive CRC */
300
    unsigned long       tcrc;           /* temp transmit CRC */
301
 
302
    /*
303
     * BISYNC specific parameter RAM
304
     */
305
    unsigned char       RSRVD1[4];
306
    unsigned long       crcc;           /* CRC Constant Temp Value */
307
    unsigned short      prcrc;          /* Preset Receiver CRC-16/LRC */
308
    unsigned short      ptcrc;          /* Preset Transmitter CRC-16/LRC */
309
    unsigned short      parec;          /* Receive Parity Error Counter */
310
    unsigned short      bsync;          /* BISYNC SYNC Character */
311
    unsigned short      bdle;           /* BISYNC DLE Character */
312
    unsigned short      cc[8];          /* Rx control characters */
313
    unsigned short      rccm;           /* Receive Control Character Mask */
314
};
315
 
316
/*****************************************************************
317
        IOM2 parameter RAM
318
        (overlaid on tx bd[5] of SCC channel[2])
319
*****************************************************************/
320
struct iom2_pram {
321
    unsigned short      ci_data;        /* ci data */
322
    unsigned short      monitor_data;   /* monitor data */
323
    unsigned short      tstate;         /* transmitter state */
324
    unsigned short      rstate;         /* receiver state */
325
};
326
 
327
/*****************************************************************
328
        SPI/SMC parameter RAM
329
        (overlaid on tx bd[6,7] of SCC channel[2])
330
*****************************************************************/
331
 
332
#define SPI_R   0x8000          /* Ready bit in BD */
333
 
334
struct spi_pram {
335
    unsigned short      rbase;          /* Rx BD Base Address */
336
    unsigned short      tbase;          /* Tx BD Base Address */
337
    unsigned char       rfcr;           /* Rx function code */
338
    unsigned char       tfcr;           /* Tx function code */
339
    unsigned short      mrblr;          /* Rx buffer length */
340
    unsigned long       rstate;         /* Rx internal state */
341
    unsigned long       rptr;           /* Rx internal data pointer */
342
    unsigned short      rbptr;          /* rb BD Pointer */
343
    unsigned short      rcount;         /* Rx internal byte count */
344
    unsigned long       rtemp;          /* Rx temp */
345
    unsigned long       tstate;         /* Tx internal state */
346
    unsigned long       tptr;           /* Tx internal data pointer */
347
    unsigned short      tbptr;          /* Tx BD pointer */
348
    unsigned short      tcount;         /* Tx byte count */
349
    unsigned long       ttemp[2];       /* Tx temp */
350
    unsigned short      rpbase;         /* Relocated param block pointer */
351
    unsigned short      res;            /* unused */
352
};
353
 
354
struct smc_uart_pram {
355
    unsigned short      rbase;          /* Rx BD Base Address */
356
    unsigned short      tbase;          /* Tx BD Base Address */
357
    unsigned char       rfcr;           /* Rx function code */
358
    unsigned char       tfcr;           /* Tx function code */
359
    unsigned short      mrblr;          /* Rx buffer length */
360
    unsigned long       rstate;         /* Rx internal state */
361
    unsigned long       rptr;           /* Rx internal data pointer */
362
    unsigned short      rbptr;          /* rb BD Pointer */
363
    unsigned short      rcount;         /* Rx internal byte count */
364
    unsigned long       rtemp;          /* Rx temp */
365
    unsigned long       tstate;         /* Tx internal state */
366
    unsigned long       tptr;           /* Tx internal data pointer */
367
    unsigned short      tbptr;          /* Tx BD pointer */
368
    unsigned short      tcount;         /* Tx byte count */
369
    unsigned long       ttemp;          /* Tx temp */
370
    unsigned short      max_idl;        /* Maximum IDLE Characters */
371
    unsigned short      idlc;           /* Temporary IDLE Counter */
372
    unsigned short      brkln;          /* Last Rx Break Length */
373
    unsigned short      brkec;          /* Rx Break Condition Counter */
374
    unsigned short      brkcr;          /* Break Count Register (Tx) */
375
    unsigned short      r_mask;         /* Temporary bit mask */
376
};
377
 
378
struct smc_trnsp_pram {
379
    unsigned short      rbase;          /* Rx BD Base Address */
380
    unsigned short      tbase;          /* Tx BD Base Address */
381
    unsigned char       rfcr;           /* Rx function code */
382
    unsigned char       tfcr;           /* Tx function code */
383
    unsigned short      mrblr;          /* Rx buffer length */
384
    unsigned long       rstate;         /* Rx internal state */
385
    unsigned long       rptr;           /* Rx internal data pointer */
386
    unsigned short      rbptr;          /* rb BD Pointer */
387
    unsigned short      rcount;         /* Rx internal byte count */
388
    unsigned long       rtemp;          /* Rx temp */
389
    unsigned long       tstate;         /* Tx internal state */
390
    unsigned long       tptr;           /* Tx internal data pointer */
391
    unsigned short      tbptr;          /* Tx BD pointer */
392
    unsigned short      tcount;         /* Tx byte count */
393
    unsigned long       ttemp;          /* Tx temp */
394
    unsigned short      RSRVD[5];       /* RSRVD */
395
};
396
 
397
struct centronics_pram {
398
    unsigned short      rbase;          /* Rx BD Base Address */
399
    unsigned short      tbase;          /* Tx BD Base Address */
400
    unsigned char       fcr;            /* function code */
401
    unsigned char       smask;          /* Status Mask */
402
    unsigned short      mrblr;          /* Rx buffer length */
403
    unsigned long       rstate;         /* Rx internal state */
404
    unsigned long       rptr;           /* Rx internal data pointer */
405
    unsigned short      rbptr;          /* rb BD Pointer */
406
    unsigned short      rcount;         /* Rx internal byte count */
407
    unsigned long       rtemp;          /* Rx temp */
408
    unsigned long       tstate;         /* Tx internal state */
409
    unsigned long       tptr;           /* Tx internal data pointer */
410
    unsigned short      tbptr;          /* Tx BD pointer */
411
    unsigned short      tcount;         /* Tx byte count */
412
    unsigned long       ttemp;          /* Tx temp */
413
    unsigned short      max_sl;         /* Maximum Silence period */
414
    unsigned short      sl_cnt;         /* Silence Counter */
415
    unsigned short      char1;          /* CONTROL char 1 */
416
    unsigned short      char2;          /* CONTROL char 2 */
417
    unsigned short      char3;          /* CONTROL char 3 */
418
    unsigned short      char4;          /* CONTROL char 4 */
419
    unsigned short      char5;          /* CONTROL char 5 */
420
    unsigned short      char6;          /* CONTROL char 6 */
421
    unsigned short      char7;          /* CONTROL char 7 */
422
    unsigned short      char8;          /* CONTROL char 8 */
423
    unsigned short      rccm;           /* Rx Control Char Mask */
424
    unsigned short      rccr;           /* Rx Char Control Register */
425
};
426
 
427
struct idma_pram {
428
    unsigned short      ibase;          /* IDMA BD Base Address */
429
    unsigned short      ibptr;          /* IDMA buffer descriptor pointer */
430
    unsigned long       istate;         /* IDMA internal state */
431
    unsigned long       itemp;          /* IDMA temp */
432
};
433
 
434
struct ethernet_pram {
435
    /*
436
     * SCC parameter RAM
437
     */
438
    unsigned short      rbase;          /* RX BD base address */
439
    unsigned short      tbase;          /* TX BD base address */
440
    unsigned char       rfcr;           /* Rx function code */
441
    unsigned char       tfcr;           /* Tx function code */
442
    unsigned short      mrblr;          /* Rx buffer length */
443
    unsigned long       rstate;         /* Rx internal state */
444
    unsigned long       rptr;           /* Rx internal data pointer */
445
    unsigned short      rbptr;          /* rb BD Pointer */
446
    unsigned short      rcount;         /* Rx internal byte count */
447
    unsigned long       rtemp;          /* Rx temp */
448
    unsigned long       tstate;         /* Tx internal state */
449
    unsigned long       tptr;           /* Tx internal data pointer */
450
    unsigned short      tbptr;          /* Tx BD pointer */
451
    unsigned short      tcount;         /* Tx byte count */
452
    unsigned long       ttemp;          /* Tx temp */
453
    unsigned long       rcrc;           /* temp receive CRC */
454
    unsigned long       tcrc;           /* temp transmit CRC */
455
 
456
    /*
457
     * ETHERNET specific parameter RAM
458
     */
459
    unsigned long       c_pres;         /* preset CRC */
460
    unsigned long       c_mask;         /* constant mask for CRC */
461
    unsigned long       crcec;          /* CRC error counter */
462
    unsigned long       alec;           /* alighnment error counter */
463
    unsigned long       disfc;          /* discard frame counter */
464
    unsigned short      pads;           /* short frame PAD characters */
465
    unsigned short      ret_lim;        /* retry limit threshold */
466
    unsigned short      ret_cnt;        /* retry limit counter */
467
    unsigned short      mflr;           /* maximum frame length reg */
468
    unsigned short      minflr;         /* minimum frame length reg */
469
    unsigned short      maxd1;          /* maximum DMA1 length reg */
470
    unsigned short      maxd2;          /* maximum DMA2 length reg */
471
    unsigned short      maxd;           /* rx max DMA */
472
    unsigned short      dma_cnt;        /* rx dma counter */
473
    unsigned short      max_b;          /* max bd byte count */
474
    unsigned short      gaddr1;         /* group address filter 1 */
475
    unsigned short      gaddr2;         /* group address filter 2 */
476
    unsigned short      gaddr3;         /* group address filter 3 */
477
    unsigned short      gaddr4;         /* group address filter 4 */
478
    unsigned long       tbuf0_data0;    /* save area 0 - current frm */
479
    unsigned long       tbuf0_data1;    /* save area 1 - current frm */
480
    unsigned long       tbuf0_rba0;
481
    unsigned long       tbuf0_crc;
482
    unsigned short      tbuf0_bcnt;
483
    unsigned short      paddr_h;        /* physical address (MSB) */
484
    unsigned short      paddr_m;        /* physical address */
485
    unsigned short      paddr_l;        /* physical address (LSB) */
486
    unsigned short      p_per;          /* persistence */
487
    unsigned short      rfbd_ptr;       /* rx first bd pointer */
488
    unsigned short      tfbd_ptr;       /* tx first bd pointer */
489
    unsigned short      tlbd_ptr;       /* tx last bd pointer */
490
    unsigned long       tbuf1_data0;    /* save area 0 - next frame */
491
    unsigned long       tbuf1_data1;    /* save area 1 - next frame */
492
    unsigned long       tbuf1_rba0;
493
    unsigned long       tbuf1_crc;
494
    unsigned short      tbuf1_bcnt;
495
    unsigned short      tx_len;         /* tx frame length counter */
496
    unsigned short      iaddr1;         /* individual address filter 1*/
497
    unsigned short      iaddr2;         /* individual address filter 2*/
498
    unsigned short      iaddr3;         /* individual address filter 3*/
499
    unsigned short      iaddr4;         /* individual address filter 4*/
500
    unsigned short      boff_cnt;       /* back-off counter */
501
    unsigned short      taddr_h;        /* temp address (MSB) */
502
    unsigned short      taddr_m;        /* temp address */
503
    unsigned short      taddr_l;        /* temp address (LSB) */
504
};
505
 
506
struct transparent_pram {
507
    /*
508
     * SCC parameter RAM
509
     */
510
    unsigned short      rbase;          /* RX BD base address */
511
    unsigned short      tbase;          /* TX BD base address */
512
    unsigned char       rfcr;           /* Rx function code */
513
    unsigned char       tfcr;           /* Tx function code */
514
    unsigned short      mrblr;          /* Rx buffer length */
515
    unsigned long       rstate;         /* Rx internal state */
516
    unsigned long       rptr;           /* Rx internal data pointer */
517
    unsigned short      rbptr;          /* rb BD Pointer */
518
    unsigned short      rcount;         /* Rx internal byte count */
519
    unsigned long       rtemp;          /* Rx temp */
520
    unsigned long       tstate;         /* Tx internal state */
521
    unsigned long       tptr;           /* Tx internal data pointer */
522
    unsigned short      tbptr;          /* Tx BD pointer */
523
    unsigned short      tcount;         /* Tx byte count */
524
    unsigned long       ttemp;          /* Tx temp */
525
    unsigned long       rcrc;           /* temp receive CRC */
526
    unsigned long       tcrc;           /* temp transmit CRC */
527
 
528
    /*
529
     * TRANSPARENT specific parameter RAM
530
     */
531
    unsigned long       crc_p;          /* CRC Preset */
532
    unsigned long       crc_c;          /* CRC constant */
533
};
534
 
535
struct timer_pram {
536
    /*
537
     * RISC timers parameter RAM
538
     */
539
    unsigned short      tm_base;        /* RISC timer table base adr */
540
    unsigned short      tm_ptr;         /* RISC timer table pointer */
541
    unsigned short      r_tmr;          /* RISC timer mode register */
542
    unsigned short      r_tmv;          /* RISC timer valid register */
543
    unsigned long       tm_cmd;         /* RISC timer cmd register */
544
    unsigned long       tm_cnt;         /* RISC timer internal cnt */
545
};
546
 
547
struct ucode_pram {
548
    /*
549
     * RISC ucode parameter RAM
550
     */
551
    unsigned short      rev_num;        /* Ucode Revision Number */
552
    unsigned short      d_ptr;          /* MISC Dump area pointer */
553
    unsigned long       temp1;          /* MISC Temp1 */
554
    unsigned long       temp2;          /* MISC Temp2 */
555
};
556
 
557
struct i2c_pram {
558
    /*
559
     * I2C parameter RAM
560
     */
561
    unsigned short      rbase;          /* RX BD base address */
562
    unsigned short      tbase;          /* TX BD base address */
563
    unsigned char       rfcr;           /* Rx function code */
564
    unsigned char       tfcr;           /* Tx function code */
565
    unsigned short      mrblr;          /* Rx buffer length */
566
    unsigned long       rstate;         /* Rx internal state */
567
    unsigned long       rptr;           /* Rx internal data pointer */
568
    unsigned short      rbptr;          /* rb BD Pointer */
569
    unsigned short      rcount;         /* Rx internal byte count */
570
    unsigned long       rtemp;          /* Rx temp */
571
    unsigned long       tstate;         /* Tx internal state */
572
    unsigned long       tptr;           /* Tx internal data pointer */
573
    unsigned short      tbptr;          /* Tx BD pointer */
574
    unsigned short      tcount;         /* Tx byte count */
575
    unsigned long       ttemp[2];       /* Tx temp */
576
    unsigned short      rpbase;         /* Relocated param block pointer */
577
    unsigned short      res;            /* unused */
578
};
579
 
580
/*
581
 * definitions of EPPC memory structures
582
 */
583
typedef struct eppc {
584
    /* BASE + 0x0000: INTERNAL REGISTERS */
585
 
586
    /* SIU */
587
    volatile unsigned long      siu_mcr;        /* module configuration reg */
588
    volatile unsigned long      siu_sypcr;      /* System protection cnt */
589
    unsigned char               RSRVD58[0x6];
590
    volatile unsigned short     siu_swsr;       /* sw service */
591
    volatile unsigned long      siu_sipend;     /* Interrupt pend reg */
592
    volatile unsigned long      siu_simask;     /* Interrupt mask reg */
593
    volatile unsigned long      siu_siel;       /* Interrupt edge level mask reg */
594
    volatile unsigned long      siu_sivec;      /* Interrupt vector */
595
    volatile unsigned long      siu_tesr;       /* Transfer error status */
596
    volatile unsigned char      RSRVD1[0xc];
597
    volatile unsigned long      dma_sdcr;       /* SDMA configuration reg */
598
    unsigned char               RSRVD55[0x4c];
599
 
600
    /* PCMCIA */
601
    volatile unsigned long      pcmcia_pbr0;    /* PCMCIA Base Reg: Window 0 */
602
    volatile unsigned long      pcmcia_por0;    /* PCMCIA Option Reg: Window 0 */
603
    volatile unsigned long      pcmcia_pbr1;    /* PCMCIA Base Reg: Window 1 */
604
    volatile unsigned long      pcmcia_por1;    /* PCMCIA Option Reg: Window 1 */
605
    volatile unsigned long      pcmcia_pbr2;    /* PCMCIA Base Reg: Window 2 */
606
    volatile unsigned long      pcmcia_por2;    /* PCMCIA Option Reg: Window 2 */
607
    volatile unsigned long      pcmcia_pbr3;    /* PCMCIA Base Reg: Window 3 */
608
    volatile unsigned long      pcmcia_por3;    /* PCMCIA Option Reg: Window 3 */
609
    volatile unsigned long      pcmcia_pbr4;    /* PCMCIA Base Reg: Window 4 */
610
    volatile unsigned long      pcmcia_por4;    /* PCMCIA Option Reg: Window 4 */
611
    volatile unsigned long      pcmcia_pbr5;    /* PCMCIA Base Reg: Window 5 */
612
    volatile unsigned long      pcmcia_por5;    /* PCMCIA Option Reg: Window 5 */
613
    volatile unsigned long      pcmcia_pbr6;    /* PCMCIA Base Reg: Window 6 */
614
    volatile unsigned long      pcmcia_por6;    /* PCMCIA Option Reg: Window 6 */
615
    volatile unsigned long      pcmcia_pbr7;    /* PCMCIA Base Reg: Window 7 */
616
    volatile unsigned long      pcmcia_por7;    /* PCMCIA Option Reg: Window 7 */
617
    volatile unsigned char      RSRVD2[0x20];
618
    volatile unsigned long      pcmcia_pgcra;   /* PCMCIA Slot A Control  Reg */
619
    volatile unsigned long      pcmcia_pgcrb;   /* PCMCIA Slot B Control  Reg */
620
    volatile unsigned long      pcmcia_pscr;    /* PCMCIA Status Reg */
621
    volatile unsigned char      RSRVD2a[0x4];
622
    volatile unsigned long      pcmcia_pipr;    /* PCMCIA Pins Value Reg */
623
    volatile unsigned char      RSRVD2b[0x4];
624
    volatile unsigned long      pcmcia_per;     /* PCMCIA Enable Reg */
625
    volatile unsigned char      RSRVD2c[0x4];
626
 
627
    /* MEMC */
628
    volatile unsigned long      memc_br0;       /* base register 0 */
629
    volatile unsigned long      memc_or0;       /* option register 0 */
630
    volatile unsigned long      memc_br1;       /* base register 1 */
631
    volatile unsigned long      memc_or1;       /* option register 1 */
632
    volatile unsigned long      memc_br2;       /* base register 2 */
633
    volatile unsigned long      memc_or2;       /* option register 2 */
634
    volatile unsigned long      memc_br3;       /* base register 3 */
635
    volatile unsigned long      memc_or3;       /* option register 3 */
636
    volatile unsigned long      memc_br4;       /* base register 3 */
637
    volatile unsigned long      memc_or4;       /* option register 3 */
638
    volatile unsigned long      memc_br5;       /* base register 3 */
639
    volatile unsigned long      memc_or5;       /* option register 3 */
640
    volatile unsigned long      memc_br6;       /* base register 3 */
641
    volatile unsigned long      memc_or6;       /* option register 3 */
642
    volatile unsigned long      memc_br7;       /* base register 3 */
643
    volatile unsigned long      memc_or7;       /* option register 3 */
644
    volatile unsigned char      RSRVD3[0x24];
645
    volatile unsigned long      memc_mar;       /* Memory address */
646
    volatile unsigned long      memc_mcr;       /* Memory command */
647
    volatile unsigned char      RSRVD4[0x4];
648
    volatile unsigned long      memc_mamr;      /* Machine A mode */
649
    volatile unsigned long      memc_mbmr;      /* Machine B mode */
650
    volatile unsigned short     memc_mstat;     /* Memory status */
651
    volatile unsigned short     memc_mptpr;     /* Memory preidic timer prescalar */
652
    volatile unsigned long      memc_mdr;       /* Memory data */
653
    volatile unsigned char      RSRVD5[0x80];
654
 
655
    /* SYSTEM INTEGRATION TIMERS */
656
    volatile unsigned short     simt_tbscr;     /* Time base stat&ctr */
657
    volatile unsigned char      RSRVD100[0x2];
658
    volatile unsigned long      simt_tbreff0;   /* Time base reference 0 */
659
    volatile unsigned long      simt_tbreff1;   /* Time base reference 1 */
660
    volatile unsigned char      RSRVD6[0x14];
661
    volatile unsigned short     simt_rtcsc;     /* Realtime clk stat&cntr 1 */
662
    volatile unsigned char      RSRVD110[0x2];
663
    volatile unsigned long      simt_rtc;       /* Realtime clock */
664
    volatile unsigned long      simt_rtsec;     /* Realtime alarm seconds */
665
    volatile unsigned long      simt_rtcal;     /* Realtime alarm */
666
    volatile unsigned char      RSRVD56[0x10];
667
    volatile unsigned long      simt_piscr;     /* PIT stat&ctrl */
668
    volatile unsigned long      simt_pitc;      /* PIT counter */
669
    volatile unsigned long      simt_pitr;      /* PIT */
670
    volatile unsigned char      RSRVD7[0x34];
671
 
672
    /* CLOCKS, RESET */
673
    volatile unsigned long      clkr_sccr;      /* System clk cntrl */
674
    volatile unsigned long      clkr_plprcr;    /* PLL reset&ctrl */
675
    volatile unsigned long      clkr_rsr;       /* reset status */
676
    volatile unsigned char      RSRVD66a[0x74];
677
 
678
    /* System Integration Timers Keys */
679
    volatile unsigned long      simt_tbscrk;    /* Timebase Status&Ctrl Key */
680
    volatile unsigned long      simt_tbreff0k;  /* Timebase Reference 0 Key */
681
    volatile unsigned long      simt_tbreff1k;  /* Timebase Reference 1 Key */
682
    volatile unsigned long      simt_tbk;       /* Timebase and Decrementer Key */
683
    volatile unsigned char      RSRVD66b[0x10];
684
    volatile unsigned long      simt_rtcsck;    /* Real-Time Clock Status&Ctrl Key */
685
    volatile unsigned long      simt_rtck;      /* Real-Time Clock Key */
686
    volatile unsigned long      simt_rtseck;    /* Real-Time Alarm Seconds Key */
687
    volatile unsigned long      simt_rtcalk;    /* Real-Time Alarm Key */
688
    volatile unsigned char      RSRVD66c[0x10];
689
    volatile unsigned long      simt_piscrk;    /* Periodic Interrupt Status&Ctrl Key */
690
    volatile unsigned long      simt_pitck;     /* Periodic Interrupt Count Key */
691
    volatile unsigned char      RSRVD66d[0x38];
692
 
693
 
694
    /* Clock and Reset Keys */
695
    volatile unsigned long      clkr_sccrk;     /* System Clock Control Key */
696
    volatile unsigned long      clkr_plprcrk;   /* PLL, Low Power and Reset Control Key */
697
    volatile unsigned long      clkr_rsrk;      /* Reset Status Key */
698
    volatile unsigned char      RSRVD66e[0x4b4];
699
 
700
    volatile unsigned long      lcd_lccr;       /* configuration Reg */
701
    volatile unsigned long      lcd_lchcr;      /* Horizontal ctl Reg */
702
    volatile unsigned long      lcd_lcvcr;      /* Vertical ctl Reg */
703
    unsigned char               RSRVD67[4];
704
    volatile unsigned long      lcd_lcfaa;      /* Frame buffer A Address */
705
    volatile unsigned long      lcd_lcfba;      /* Frame buffer B Address */
706
    volatile unsigned char      lcd_lcsr;       /* Status Reg */
707
    volatile unsigned char      RSRVD9[0x7];
708
 
709
    /* I2C */
710
    volatile unsigned char      i2c_i2mod;      /* i2c mode */
711
    unsigned char               RSRVD59[3];
712
    volatile unsigned char      i2c_i2add;      /* i2c address */
713
    unsigned char               RSRVD60[3];
714
    volatile unsigned char      i2c_i2brg;      /* i2c brg */
715
    unsigned char               RSRVD61[3];
716
    volatile unsigned char      i2c_i2com;      /* i2c command */
717
    unsigned char               RSRVD62[3];
718
    volatile unsigned char      i2c_i2cer;      /* i2c event */
719
    unsigned char               RSRVD63[3];
720
    volatile unsigned char      i2c_i2cmr;      /* i2c mask */
721
    volatile unsigned char      RSRVD10[0x0b];
722
    volatile unsigned char      i2c_spare_pram[0x80];  /* Used by patched ucode */
723
 
724
    /* DMA */
725
    volatile unsigned char      RSRVD11[0x4];
726
    volatile unsigned long      dma_sdar;       /* SDMA address reg */
727
    volatile unsigned char      dma_sdsr;       /* SDMA status reg */
728
    volatile unsigned char      RSRVD12[0x3];
729
    volatile unsigned char      dma_sdmr;       /* SDMA mask reg */
730
    volatile unsigned char      RSRVD13[0x3];
731
    volatile unsigned char      dma_idsr1;      /* IDMA1 status reg */
732
    volatile unsigned char      RSRVD14[0x3];
733
    volatile unsigned char      dma_idmr1;      /* IDMA1 mask reg */
734
    volatile unsigned char      RSRVD15[0x3];
735
    volatile unsigned char      dma_idsr2;      /* IDMA2 status reg */
736
    volatile unsigned char      RSRVD16[0x3];
737
    volatile unsigned char      dma_idmr2;      /* IDMA2 mask reg */
738
    volatile unsigned char      RSRVD17[0x13];
739
 
740
    /* CPM Interrupt Controller */
741
    volatile unsigned short     cpmi_civr;      /* CP interrupt vector reg */
742
    volatile unsigned char      RSRVD19[0xe];
743
    volatile unsigned long      cpmi_cicr;      /* CP interrupt configuration reg */
744
    volatile unsigned long      cpmi_cipr;      /* CP interrupt pending reg */
745
    volatile unsigned long      cpmi_cimr;      /* CP interrupt mask reg */
746
    volatile unsigned long      cpmi_cisr;      /* CP interrupt in-service reg */
747
 
748
    /* I/O port */
749
    volatile unsigned short     pio_padir;      /* port A data direction reg */
750
    volatile unsigned short     pio_papar;      /* port A pin assignment reg */
751
    volatile unsigned short     pio_paodr;      /* port A open drain reg */
752
    volatile unsigned short     pio_padat;      /* port A data register */
753
    volatile unsigned char      RSRVD20[0x8];
754
    volatile unsigned short     pio_pcdir;      /* port C data direction reg */
755
    volatile unsigned short     pio_pcpar;      /* port C pin assignment reg */
756
    volatile unsigned short     pio_pcso;       /* port C special options */
757
    volatile unsigned short     pio_pcdat;      /* port C data register */
758
    volatile unsigned short     pio_pcint;      /* port C interrupt cntrl reg */
759
    unsigned char               RSRVD64[6];
760
    volatile unsigned short     pio_pddir;      /* port D Data Direction reg */
761
    volatile unsigned short     pio_pdpar;      /* port D pin assignment reg */
762
    unsigned char               RSRVD65[2];
763
    volatile unsigned short     pio_pddat;      /* port D data reg */
764
    volatile unsigned char      RSRVD21[0x8];
765
 
766
    /* CPM Timer */
767
    volatile unsigned short     timer_tgcr;     /* timer global configuration  reg */
768
    volatile unsigned char      RSRVD22[0xe];
769
    volatile unsigned short     timer_tmr1;     /* timer 1 mode reg */
770
    volatile unsigned short     timer_tmr2;     /* timer 2 mode reg */
771
    volatile unsigned short     timer_trr1;     /* timer 1 referance reg */
772
    volatile unsigned short     timer_trr2;     /* timer 2 referance reg */
773
    volatile unsigned short     timer_tcr1;     /* timer 1 capture reg */
774
    volatile unsigned short     timer_tcr2;     /* timer 2 capture reg */
775
    volatile unsigned short     timer_tcn1;     /* timer 1 counter reg */
776
    volatile unsigned short     timer_tcn2;     /* timer 2 counter reg */
777
    volatile unsigned short     timer_tmr3;     /* timer 3 mode reg */
778
    volatile unsigned short     timer_tmr4;     /* timer 4 mode reg */
779
    volatile unsigned short     timer_trr3;     /* timer 3 referance reg */
780
    volatile unsigned short     timer_trr4;     /* timer 4 referance reg */
781
    volatile unsigned short     timer_tcr3;     /* timer 3 capture reg */
782
    volatile unsigned short     timer_tcr4;     /* timer 4 capture reg */
783
    volatile unsigned short     timer_tcn3;     /* timer 3 counter reg */
784
    volatile unsigned short     timer_tcn4;     /* timer 4 counter reg */
785
    volatile unsigned short     timer_ter1;     /* timer 1 event reg */
786
    volatile unsigned short     timer_ter2;     /* timer 2 event reg */
787
    volatile unsigned short     timer_ter3;     /* timer 3 event reg */
788
    volatile unsigned short     timer_ter4;     /* timer 4 event reg */
789
    volatile unsigned char      RSRVD23[0x8];
790
 
791
    /* CP */
792
    volatile unsigned short     cp_cr;          /* command register */
793
    volatile unsigned char      RSRVD24[0x2];
794
    volatile unsigned short     cp_rccr;        /* main configuration reg */
795
    volatile unsigned char      RSRVD25;
796
    volatile unsigned char      cp_resv1;       /* RSRVD reg */
797
    volatile unsigned long      cp_resv2;       /* RSRVD reg */
798
    volatile unsigned short     cp_rctr1;       /* ram break register 1 */
799
    volatile unsigned short     cp_rctr2;       /* ram break register 2 */
800
    volatile unsigned short     cp_rctr3;       /* ram break register 3 */
801
    volatile unsigned short     cp_rctr4;       /* ram break register 4 */
802
    volatile unsigned char      RSRVD26[0x2];
803
    volatile unsigned short     cp_rter;        /* RISC timers event reg */
804
    volatile unsigned char      RSRVD27[0x2];
805
    volatile unsigned short     cp_rtmr;        /* RISC timers mask reg */
806
    volatile unsigned char      RSRVD28[0x14];
807
 
808
    /* BRG */
809
    volatile unsigned long      brgc1;          /* BRG1 configuration reg */
810
    volatile unsigned long      brgc2;          /* BRG2 configuration reg */
811
    volatile unsigned long      brgc3;          /* BRG3 configuration reg */
812
    volatile unsigned long      brgc4;          /* BRG4 configuration reg */
813
 
814
    /* SCC registers */
815
    struct scc_regs {
816
        volatile unsigned long  scc_gsmr_l;     /* SCC Gen mode (LOW) */
817
        volatile unsigned long  scc_gsmr_h;     /* SCC Gen mode (HIGH) */
818
        volatile unsigned short scc_psmr;       /* protocol specific mode register */
819
        volatile unsigned char  RSRVD29[0x2];
820
        volatile unsigned short scc_todr;       /* SCC transmit on demand */
821
        volatile unsigned short scc_dsr;        /* SCC data sync reg */
822
        volatile unsigned short scc_scce;       /* SCC event reg */
823
        volatile unsigned char  RSRVD30[0x2];
824
        volatile unsigned short scc_sccm;       /* SCC mask reg */
825
        volatile unsigned char  RSRVD31[0x1];
826
        volatile unsigned char  scc_sccs;       /* SCC status reg */
827
        volatile unsigned char  RSRVD32[0x8];
828
    } scc_regs[4];
829
 
830
    /* SMC */
831
    struct smc_regs {
832
        volatile unsigned char  RSRVD34[0x2];
833
        volatile unsigned short smc_smcmr;      /* SMC mode reg */
834
        volatile unsigned char  RSRVD35[0x2];
835
        volatile unsigned char  smc_smce;       /* SMC event reg */
836
        volatile unsigned char  RSRVD36[0x3];
837
        volatile unsigned char  smc_smcm;       /* SMC mask reg */
838
        volatile unsigned char  RSRVD37[0x5];
839
    } smc_regs[2];
840
 
841
    /* SPI */
842
    volatile unsigned short     spi_spmode;     /* SPI mode reg */
843
    volatile unsigned char      RSRVD38[0x4];
844
    volatile unsigned char      spi_spie;       /* SPI event reg */
845
    volatile unsigned char      RSRVD39[0x3];
846
    volatile unsigned char      spi_spim;       /* SPI mask reg */
847
    volatile unsigned char      RSRVD40[0x2];
848
    volatile unsigned char      spi_spcom;      /* SPI command reg */
849
    volatile unsigned char      RSRVD41[0x4];
850
 
851
    /* PIP */
852
    volatile unsigned short     pip_pipc;       /* pip configuration reg */
853
    volatile unsigned char      RSRVD42[0x2];
854
    volatile unsigned short     pip_ptpr;       /* pip timing parameters reg */
855
    volatile unsigned long      pip_pbdir;      /* port b data direction reg */
856
    volatile unsigned long      pip_pbpar;      /* port b pin assignment reg */
857
    volatile unsigned char      RSRVD43[0x2];
858
    volatile unsigned short     pip_pbodr;      /* port b open drain reg */
859
    volatile unsigned long      pip_pbdat;      /* port b data reg */
860
    volatile unsigned char      RSRVD44[0x18];
861
 
862
    /* Serial Interface */
863
    volatile unsigned long      si_simode;      /* SI mode register */
864
    volatile unsigned char      si_sigmr;       /* SI global mode register */
865
    volatile unsigned char      RSRVD45;
866
    volatile unsigned char      si_sistr;       /* SI status register */
867
    volatile unsigned char      si_sicmr;       /* SI command register */
868
    volatile unsigned char      RSRVD46[0x4];
869
    volatile unsigned long      si_sicr;        /* SI clock routing */
870
    volatile unsigned long      si_sirp;        /* SI ram pointers */
871
    volatile unsigned char      RSRVD47[0x10c];
872
    volatile unsigned char      si_siram[0x200];/* SI routing ram */
873
    volatile unsigned short     lcd_lcolr[256]; /* LCD Color RAM -- REV A.x */
874
    volatile unsigned char      RSRVD48[0x1000];
875
 
876
    /* BASE + 0x2000: user data memory */
877
    volatile unsigned char      udata_ucode[0x800];     /* user data bd's Ucode*/
878
    volatile unsigned char      bd[0x700];              /* buffer descriptors, data */
879
    volatile unsigned char      udata_ext[0x100];       /* extension area for downloaded ucode */
880
    volatile unsigned char      RSRVD49[0x0C00];
881
 
882
    /* BASE + 0x3c00: PARAMETER RAM */
883
    union {
884
        struct scc_pram {
885
            union {
886
                struct hdlc_pram        h;
887
                struct uart_pram        u;
888
                struct bisync_pram      b;
889
                struct transparent_pram t;
890
                struct async_hdlc_pram  a;
891
                unsigned char           RSRVD50[0x80];
892
            } pscc;             /* scc parameter area (protocol dependent) */
893
 
894
            union {
895
                struct {
896
                    struct i2c_pram     i2c;
897
                    unsigned char       RSRVD56[0x10];
898
                    struct idma_pram    idma1;
899
                } i2c_idma;
900
                struct {
901
                    struct spi_pram     spi;
902
                    struct timer_pram   timer;
903
                    struct idma_pram    idma2;
904
                } spi_timer_idma;
905
                struct {
906
                    union {
907
                        struct smc_uart_pram    u;
908
                        struct smc_trnsp_pram   t;
909
                        struct centronics_pram  c;
910
                    } psmc;
911
                    unsigned char       modem_param[0x40];
912
                } smc_modem;
913
                struct {
914
                    unsigned char       RSRVD54[0x40];
915
                    struct ucode_pram   ucode;
916
                } pucode;
917
            } pothers;
918
        } scc;
919
        struct ethernet_pram    enet_scc;
920
        unsigned char           pr[0x100];
921
    } pram[4];
922
} EPPC;
923
 
924
 
925
static inline EPPC *eppc_base(void)
926
{
927
    EPPC    *retval;
928
 
929
    asm volatile (
930
        "mfspr   %0,638 \n\t"
931
        "andis.  %0,%0,65535 \n\t"
932
        : "=r" (retval)
933
        : /* no inputs */  );
934
 
935
    return retval;
936
}
937
 
938
// Function used to reset [only once!] the CPM
939
__externC void _mpc8xx_reset_cpm(void);
940
 
941
// Function used to allocate space in shared memory area
942
// typically used for buffer descriptors, etc.
943
__externC unsigned short _mpc8xx_allocBd(int len);
944
 
945
// Function used to manage the pool of baud rate generators
946
__externC unsigned long *_mpc8xx_allocate_brg(int port);
947
 
948
#define QUICC_BD_BASE               0x2000  // Start of shared memory
949
#define QUICC_BD_END                0x3000  // End of shared memory
950
 
951
 
952
#endif /* __ASSEMBLER__ */
953
 
954
/* Memory Periodic Timer Prescaler Register values */
955
#define PTP_DIV2        0x2000
956
#define PTP_DIV4        0x1000
957
#define PTP_DIV8        0x0800
958
#define PTP_DIV16       0x0400
959
#define PTP_DIV32       0x0200
960
#define PTP_DIV64       0x0100
961
 
962
// Command Processor Module (CPM) 
963
 
964
// Buffer descriptor control bits
965
#define QUICC_BD_CTL_Ready          0x8000  // Buffer contains data (tx) or is empty (rx)
966
#define QUICC_BD_CTL_Wrap           0x2000  // Last buffer in list
967
#define QUICC_BD_CTL_Int            0x1000  // Generate interrupt when empty (tx) or full (rx)
968
#define QUICC_BD_CTL_Last           0x0800  // Last buffer in a sequence
969
#define QUICC_BD_CTL_Frame          0x0010  // Framing Error
970
#define QUICC_BD_CTL_Parity         0x0008  // Parity Error
971
#define QUICC_BD_CTL_MASK           0xB000  // User settable bits
972
 
973
// Command register
974
#define QUICC_CPM_CR_INIT_TXRX      0x0000  // Initialize both Tx and Rx chains
975
#define QUICC_CPM_CR_INIT_RX        0x0100  // Initialize Rx chains
976
#define QUICC_CPM_CR_INIT_TX        0x0200  // Initialize Tx chains
977
#define QUICC_CPM_CR_HUNT_MODE      0x0300  // Start "hunt" mode
978
#define QUICC_CPM_CR_STOP_TX        0x0400  // Stop transmitter
979
#define QUICC_CPM_CR_RESTART_TX     0x0600  // Restart transmitter
980
#define QUICC_CPM_CR_RESET          0x8000  // Reset CPM
981
#define QUICC_CPM_CR_BUSY           0x0001  // Kick CPM - busy indicator
982
 
983
// CPM channels
984
#define QUICC_CPM_SCC1              0x0000
985
#define QUICC_CPM_I2C               0x0010
986
#define QUICC_CPM_SCC2              0x0040
987
#define QUICC_CPM_SCC3              0x0080
988
#define QUICC_CPM_SMC1              0x0090
989
#define QUICC_CPM_SCC4              0x00C0
990
#define QUICC_CPM_SMC2              0x00D0
991
 
992
// SMC Events (interrupts)
993
#define QUICC_SMCE_BRK              0x10  // Break received
994
#define QUICC_SMCE_BSY              0x04  // Busy - receive buffer overrun
995
#define QUICC_SMCE_TX               0x02  // Tx interrupt
996
#define QUICC_SMCE_RX               0x01  // Rx interrupt
997
 
998
// SMC Mode Register
999
#define QUICC_SMCMR_CLEN(n)   (n<<11)       // Character length + parity + stop bits
1000
#define QUICC_SMCMR_SB(n)     ((n-1)<<10)   // Stop bits (1 or 2)
1001
#define QUICC_SMCMR_PE(n)     (n<<9)        // Parity enable (0=disable, 1=enable)
1002
#define QUICC_SMCMR_PM(n)     (n<<8)        // Parity mode (0=odd, 1=even)
1003
#define QUICC_SMCMR_UART      (2<<4)        // UART mode
1004
#define QUICC_SMCMR_TEN       (1<<1)        // Enable transmitter
1005
#define QUICC_SMCMR_REN       (1<<0)        // Enable receiver
1006
 
1007
// SMC Commands
1008
#define QUICC_SMC_CMD_InitTxRx  (0<<8)
1009
#define QUICC_SMC_CMD_InitTx    (1<<8)
1010
#define QUICC_SMC_CMD_InitRx    (2<<8)
1011
#define QUICC_SMC_CMD_StopTx    (4<<8)
1012
#define QUICC_SMC_CMD_RestartTx (6<<8)
1013
#define QUICC_SMC_CMD_Reset     0x8000
1014
#define QUICC_SMC_CMD_Go        0x0001
1015
 
1016
// SCC PSMR masks ....
1017
#define QUICC_SCC_PSMR_ASYNC   0x8000
1018
#define QUICC_SCC_PSMR_SB(n)   ((n-1)<<14)  // Stop bits (1=1sb, 2=2sb)
1019
#define QUICC_SCC_PSMR_CLEN(n) ((n-5)<<12)  // Character Length (5-8)
1020
#define QUICC_SCC_PSMR_PE(n)   (n<<4)       // Parity enable(0=disabled, 1=enabled)
1021
#define QUICC_SCC_PSMR_RPM(n)  (n<<2)       // Rx Parity mode (0=odd,  1=low, 2=even, 3=high)
1022
#define QUICC_SCC_PSMR_TPM(n)  (n)          // Tx Parity mode (0=odd,  1=low, 2=even, 3=high)
1023
 
1024
// SCC DSR masks
1025
#define QUICC_SCC_DSR_FULL     0x7e7e
1026
#define QUICC_SCC_DSR_HALF     0x467e
1027
 
1028
// SCC GSMR masks ...
1029
#define QUICC_SCC_GSMR_H_INIT  0x00000060 
1030
#define QUICC_SCC_GSMR_L_INIT  0x00028004 
1031
#define QUICC_SCC_GSMR_L_Tx    0x00000010
1032
#define QUICC_SCC_GSMR_L_Rx    0x00000020
1033
 
1034
// SCC Events (interrupts)
1035
#define QUICC_SCCE_BRK         0x0040
1036
#define QUICC_SCCE_BSY         0x0004
1037
#define QUICC_SCCE_TX          0x0002
1038
#define QUICC_SCCE_RX          0x0001
1039
 
1040
#endif // ifndef CYGONCE_HAL_PPC_QUICC_PPC8XX_H

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