2 * hd64572.h Description of the Hitachi HD64572 (SCA-II), valid for
5 * Author: Ivan Passos <ivan@cyclades.com>
7 * Copyright: (c) 2000-2001 Cyclades Corp.
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
15 * Revision 3.1 2001/06/15 12:41:10 regina
16 * upping major version number
18 * Revision 1.1.1.1 2001/06/13 20:24:49 daniela
19 * PC300 initial CVS version (3.4.0-pre1)
21 * Revision 1.0 2000/01/25 ivan
29 /* Illegal Access Register */
32 /* Wait Controller Registers */
33 #define PABR0L 0x20 /* Physical Addr Boundary Register 0 L */
34 #define PABR0H 0x21 /* Physical Addr Boundary Register 0 H */
35 #define PABR1L 0x22 /* Physical Addr Boundary Register 1 L */
36 #define PABR1H 0x23 /* Physical Addr Boundary Register 1 H */
37 #define WCRL 0x24 /* Wait Control Register L */
38 #define WCRM 0x25 /* Wait Control Register M */
39 #define WCRH 0x26 /* Wait Control Register H */
41 /* Interrupt Registers */
42 #define IVR 0x60 /* Interrupt Vector Register */
43 #define IMVR 0x64 /* Interrupt Modified Vector Register */
44 #define ITCR 0x68 /* Interrupt Control Register */
45 #define ISR0 0x6c /* Interrupt Status Register 0 */
46 #define ISR1 0x70 /* Interrupt Status Register 1 */
47 #define IER0 0x74 /* Interrupt Enable Register 0 */
48 #define IER1 0x78 /* Interrupt Enable Register 1 */
50 /* Register Access Macros (chan is 0 or 1 in _any_ case) */
51 #define M_REG(reg, chan) (reg + 0x80*chan) /* MSCI */
52 #define DRX_REG(reg, chan) (reg + 0x40*chan) /* DMA Rx */
53 #define DTX_REG(reg, chan) (reg + 0x20*(2*chan + 1)) /* DMA Tx */
54 #define TRX_REG(reg, chan) (reg + 0x20*chan) /* Timer Rx */
55 #define TTX_REG(reg, chan) (reg + 0x10*(2*chan + 1)) /* Timer Tx */
56 #define ST_REG(reg, chan) (reg + 0x80*chan) /* Status Cnt */
57 #define IR0_DRX(val, chan) ((val)<<(8*(chan))) /* Int DMA Rx */
58 #define IR0_DTX(val, chan) ((val)<<(4*(2*chan + 1))) /* Int DMA Tx */
59 #define IR0_M(val, chan) ((val)<<(8*(chan))) /* Int MSCI */
61 /* MSCI Channel Registers */
62 #define MSCI0_OFFSET 0x00
63 #define MSCI1_OFFSET 0x80
65 #define MD0 0x138 /* Mode reg 0 */
66 #define MD1 0x139 /* Mode reg 1 */
67 #define MD2 0x13a /* Mode reg 2 */
68 #define MD3 0x13b /* Mode reg 3 */
69 #define CTL 0x130 /* Control reg */
70 #define RXS 0x13c /* RX clock source */
71 #define TXS 0x13d /* TX clock source */
72 #define EXS 0x13e /* External clock input selection */
73 #define TMCT 0x144 /* Time constant (Tx) */
74 #define TMCR 0x145 /* Time constant (Rx) */
75 #define CMD 0x128 /* Command reg */
76 #define ST0 0x118 /* Status reg 0 */
77 #define ST1 0x119 /* Status reg 1 */
78 #define ST2 0x11a /* Status reg 2 */
79 #define ST3 0x11b /* Status reg 3 */
80 #define ST4 0x11c /* Status reg 4 */
81 #define FST 0x11d /* frame Status reg */
82 #define IE0 0x120 /* Interrupt enable reg 0 */
83 #define IE1 0x121 /* Interrupt enable reg 1 */
84 #define IE2 0x122 /* Interrupt enable reg 2 */
85 #define IE4 0x124 /* Interrupt enable reg 4 */
86 #define FIE 0x125 /* Frame Interrupt enable reg */
87 #define SA0 0x140 /* Syn Address reg 0 */
88 #define SA1 0x141 /* Syn Address reg 1 */
89 #define IDL 0x142 /* Idle register */
90 #define TRBL 0x100 /* TX/RX buffer reg L */
91 #define TRBK 0x101 /* TX/RX buffer reg K */
92 #define TRBJ 0x102 /* TX/RX buffer reg J */
93 #define TRBH 0x103 /* TX/RX buffer reg H */
94 #define TRC0 0x148 /* TX Ready control reg 0 */
95 #define TRC1 0x149 /* TX Ready control reg 1 */
96 #define RRC 0x14a /* RX Ready control reg */
97 #define CST0 0x108 /* Current Status Register 0 */
98 #define CST1 0x109 /* Current Status Register 1 */
99 #define CST2 0x10a /* Current Status Register 2 */
100 #define CST3 0x10b /* Current Status Register 3 */
101 #define GPO 0x131 /* General Purpose Output Pin Ctl Reg */
102 #define TFS 0x14b /* Tx Start Threshold Ctl Reg */
103 #define TFN 0x143 /* Inter-transmit-frame Time Fill Ctl Reg */
104 #define TBN 0x110 /* Tx Buffer Number Reg */
105 #define RBN 0x111 /* Rx Buffer Number Reg */
106 #define TNR0 0x150 /* Tx DMA Request Ctl Reg 0 */
107 #define TNR1 0x151 /* Tx DMA Request Ctl Reg 1 */
108 #define TCR 0x152 /* Tx DMA Critical Request Reg */
109 #define RNR 0x154 /* Rx DMA Request Ctl Reg */
110 #define RCR 0x156 /* Rx DMA Critical Request Reg */
112 /* Timer Registers */
113 #define TIMER0RX_OFFSET 0x00
114 #define TIMER0TX_OFFSET 0x10
115 #define TIMER1RX_OFFSET 0x20
116 #define TIMER1TX_OFFSET 0x30
118 #define TCNTL 0x200 /* Timer Upcounter L */
119 #define TCNTH 0x201 /* Timer Upcounter H */
120 #define TCONRL 0x204 /* Timer Constant Register L */
121 #define TCONRH 0x205 /* Timer Constant Register H */
122 #define TCSR 0x206 /* Timer Control/Status Register */
123 #define TEPR 0x207 /* Timer Expand Prescale Register */
126 #define PCR 0x40 /* DMA priority control reg */
127 #define DRR 0x44 /* DMA reset reg */
128 #define DMER 0x07 /* DMA Master Enable reg */
129 #define BTCR 0x08 /* Burst Tx Ctl Reg */
130 #define BOLR 0x0c /* Back-off Length Reg */
131 #define DSR_RX(chan) (0x48 + 2*chan) /* DMA Status Reg (Rx) */
132 #define DSR_TX(chan) (0x49 + 2*chan) /* DMA Status Reg (Tx) */
133 #define DIR_RX(chan) (0x4c + 2*chan) /* DMA Interrupt Enable Reg (Rx) */
134 #define DIR_TX(chan) (0x4d + 2*chan) /* DMA Interrupt Enable Reg (Tx) */
135 #define FCT_RX(chan) (0x50 + 2*chan) /* Frame End Interrupt Counter (Rx) */
136 #define FCT_TX(chan) (0x51 + 2*chan) /* Frame End Interrupt Counter (Tx) */
137 #define DMR_RX(chan) (0x54 + 2*chan) /* DMA Mode Reg (Rx) */
138 #define DMR_TX(chan) (0x55 + 2*chan) /* DMA Mode Reg (Tx) */
139 #define DCR_RX(chan) (0x58 + 2*chan) /* DMA Command Reg (Rx) */
140 #define DCR_TX(chan) (0x59 + 2*chan) /* DMA Command Reg (Tx) */
142 /* DMA Channel Registers */
143 #define DMAC0RX_OFFSET 0x00
144 #define DMAC0TX_OFFSET 0x20
145 #define DMAC1RX_OFFSET 0x40
146 #define DMAC1TX_OFFSET 0x60
148 #define DARL 0x80 /* Dest Addr Register L (single-block, RX only) */
149 #define DARH 0x81 /* Dest Addr Register H (single-block, RX only) */
150 #define DARB 0x82 /* Dest Addr Register B (single-block, RX only) */
151 #define DARBH 0x83 /* Dest Addr Register BH (single-block, RX only) */
152 #define SARL 0x80 /* Source Addr Register L (single-block, TX only) */
153 #define SARH 0x81 /* Source Addr Register H (single-block, TX only) */
154 #define SARB 0x82 /* Source Addr Register B (single-block, TX only) */
155 #define DARBH 0x83 /* Source Addr Register BH (single-block, TX only) */
156 #define BARL 0x80 /* Buffer Addr Register L (chained-block) */
157 #define BARH 0x81 /* Buffer Addr Register H (chained-block) */
158 #define BARB 0x82 /* Buffer Addr Register B (chained-block) */
159 #define BARBH 0x83 /* Buffer Addr Register BH (chained-block) */
160 #define CDAL 0x84 /* Current Descriptor Addr Register L */
161 #define CDAH 0x85 /* Current Descriptor Addr Register H */
162 #define CDAB 0x86 /* Current Descriptor Addr Register B */
163 #define CDABH 0x87 /* Current Descriptor Addr Register BH */
164 #define EDAL 0x88 /* Error Descriptor Addr Register L */
165 #define EDAH 0x89 /* Error Descriptor Addr Register H */
166 #define EDAB 0x8a /* Error Descriptor Addr Register B */
167 #define EDABH 0x8b /* Error Descriptor Addr Register BH */
168 #define BFLL 0x90 /* RX Buffer Length L (only RX) */
169 #define BFLH 0x91 /* RX Buffer Length H (only RX) */
170 #define BCRL 0x8c /* Byte Count Register L */
171 #define BCRH 0x8d /* Byte Count Register H */
173 /* Block Descriptor Structure */
175 unsigned long next
; /* pointer to next block descriptor */
176 unsigned long ptbuf
; /* buffer pointer */
177 unsigned short len
; /* data length */
178 unsigned char status
; /* status */
179 unsigned char filler
[5]; /* alignment filler (16 bytes) */
182 /* Block Descriptor Structure */
184 u32 cp
; /* pointer to next block descriptor */
185 u32 bp
; /* buffer pointer */
186 u16 len
; /* data length */
187 u8 stat
; /* status */
188 u8 unused
; /* pads to 4-byte boundary */
193 Descriptor Status definitions:
195 Bit Transmission Reception
203 1 Ownership Ownership
206 #define DST_EOT 0x01 /* End of transmit command */
207 #define DST_OSB 0x02 /* Ownership bit */
208 #define DST_CRC 0x04 /* CRC Error */
209 #define DST_OVR 0x08 /* Overrun */
210 #define DST_UDR 0x08 /* Underrun */
211 #define DST_RBIT 0x10 /* Residual bit */
212 #define DST_ABT 0x20 /* Abort */
213 #define DST_SHRT 0x40 /* Short Frame */
214 #define DST_EOM 0x80 /* End of Message */
216 /* Packet Descriptor Status bits */
218 #define ST_TX_EOM 0x80 /* End of frame */
219 #define ST_TX_UNDRRUN 0x08
220 #define ST_TX_OWNRSHP 0x02
221 #define ST_TX_EOT 0x01 /* End of transmition */
223 #define ST_RX_EOM 0x80 /* End of frame */
224 #define ST_RX_SHORT 0x40 /* Short frame */
225 #define ST_RX_ABORT 0x20 /* Abort */
226 #define ST_RX_RESBIT 0x10 /* Residual bit */
227 #define ST_RX_OVERRUN 0x08 /* Overrun */
228 #define ST_RX_CRC 0x04 /* CRC */
229 #define ST_RX_OWNRSHP 0x02
231 #define ST_ERROR_MASK 0x7C
233 /* Status Counter Registers */
234 #define CMCR 0x158 /* Counter Master Ctl Reg */
235 #define TECNTL 0x160 /* Tx EOM Counter L */
236 #define TECNTM 0x161 /* Tx EOM Counter M */
237 #define TECNTH 0x162 /* Tx EOM Counter H */
238 #define TECCR 0x163 /* Tx EOM Counter Ctl Reg */
239 #define URCNTL 0x164 /* Underrun Counter L */
240 #define URCNTH 0x165 /* Underrun Counter H */
241 #define URCCR 0x167 /* Underrun Counter Ctl Reg */
242 #define RECNTL 0x168 /* Rx EOM Counter L */
243 #define RECNTM 0x169 /* Rx EOM Counter M */
244 #define RECNTH 0x16a /* Rx EOM Counter H */
245 #define RECCR 0x16b /* Rx EOM Counter Ctl Reg */
246 #define ORCNTL 0x16c /* Overrun Counter L */
247 #define ORCNTH 0x16d /* Overrun Counter H */
248 #define ORCCR 0x16f /* Overrun Counter Ctl Reg */
249 #define CECNTL 0x170 /* CRC Counter L */
250 #define CECNTH 0x171 /* CRC Counter H */
251 #define CECCR 0x173 /* CRC Counter Ctl Reg */
252 #define ABCNTL 0x174 /* Abort frame Counter L */
253 #define ABCNTH 0x175 /* Abort frame Counter H */
254 #define ABCCR 0x177 /* Abort frame Counter Ctl Reg */
255 #define SHCNTL 0x178 /* Short frame Counter L */
256 #define SHCNTH 0x179 /* Short frame Counter H */
257 #define SHCCR 0x17b /* Short frame Counter Ctl Reg */
258 #define RSCNTL 0x17c /* Residual bit Counter L */
259 #define RSCNTH 0x17d /* Residual bit Counter H */
260 #define RSCCR 0x17f /* Residual bit Counter Ctl Reg */
262 /* Register Programming Constants */
264 #define IR0_DMIC 0x00000001
265 #define IR0_DMIB 0x00000002
266 #define IR0_DMIA 0x00000004
267 #define IR0_EFT 0x00000008
268 #define IR0_DMAREQ 0x00010000
269 #define IR0_TXINT 0x00020000
270 #define IR0_RXINTB 0x00040000
271 #define IR0_RXINTA 0x00080000
272 #define IR0_TXRDY 0x00100000
273 #define IR0_RXRDY 0x00200000
275 #define MD0_CRC16_0 0x00
276 #define MD0_CRC16_1 0x01
277 #define MD0_CRC32 0x02
278 #define MD0_CRC_CCITT 0x03
279 #define MD0_CRCC0 0x04
280 #define MD0_CRCC1 0x08
281 #define MD0_AUTO_ENA 0x10
282 #define MD0_ASYNC 0x00
283 #define MD0_BY_MSYNC 0x20
284 #define MD0_BY_BISYNC 0x40
285 #define MD0_BY_EXT 0x60
286 #define MD0_BIT_SYNC 0x80
287 #define MD0_TRANSP 0xc0
289 #define MD0_HDLC 0x80 /* Bit-sync HDLC mode */
291 #define MD0_CRC_NONE 0x00
292 #define MD0_CRC_16_0 0x04
293 #define MD0_CRC_16 0x05
294 #define MD0_CRC_ITU32 0x06
295 #define MD0_CRC_ITU 0x07
297 #define MD1_NOADDR 0x00
298 #define MD1_SADDR1 0x40
299 #define MD1_SADDR2 0x80
300 #define MD1_DADDR 0xc0
302 #define MD2_NRZI_IEEE 0x40
303 #define MD2_MANCHESTER 0x80
304 #define MD2_FM_MARK 0xA0
305 #define MD2_FM_SPACE 0xC0
306 #define MD2_LOOPBACK 0x03 /* Local data Loopback */
308 #define MD2_F_DUPLEX 0x00
309 #define MD2_AUTO_ECHO 0x01
310 #define MD2_LOOP_HI_Z 0x02
311 #define MD2_LOOP_MIR 0x03
312 #define MD2_ADPLL_X8 0x00
313 #define MD2_ADPLL_X16 0x08
314 #define MD2_ADPLL_X32 0x10
316 #define MD2_NRZI 0x20
317 #define MD2_NRZ_IEEE 0x40
318 #define MD2_MANCH 0x00
326 #define CTL_IDLC 0x10
327 #define CTL_UDRNC 0x20
328 #define CTL_URSKP 0x40
329 #define CTL_URCT 0x80
331 #define CTL_NORTS 0x01
332 #define CTL_NODTR 0x02
333 #define CTL_IDLE 0x10
339 #define RXS_ECLK 0x00
340 #define RXS_ECLK_NS 0x20
341 #define RXS_IBRG 0x40
342 #define RXS_PLL1 0x50
343 #define RXS_PLL2 0x60
344 #define RXS_PLL3 0x70
345 #define RXS_DRTXC 0x80
351 #define TXS_ECLK 0x00
352 #define TXS_IBRG 0x40
353 #define TXS_RCLK 0x60
354 #define TXS_DTRXC 0x80
356 #define EXS_RES0 0x01
357 #define EXS_RES1 0x02
358 #define EXS_RES2 0x04
359 #define EXS_TES0 0x10
360 #define EXS_TES1 0x20
361 #define EXS_TES2 0x40
363 #define CLK_BRG_MASK 0x0F
364 #define CLK_PIN_OUT 0x80
365 #define CLK_LINE 0x00 /* clock line input */
366 #define CLK_BRG 0x40 /* internal baud rate generator */
367 #define CLK_TX_RXCLK 0x60 /* TX clock from RX clock */
369 #define CMD_RX_RST 0x11
370 #define CMD_RX_ENA 0x12
371 #define CMD_RX_DIS 0x13
372 #define CMD_RX_CRC_INIT 0x14
373 #define CMD_RX_MSG_REJ 0x15
374 #define CMD_RX_MP_SRCH 0x16
375 #define CMD_RX_CRC_EXC 0x17
376 #define CMD_RX_CRC_FRC 0x18
377 #define CMD_TX_RST 0x01
378 #define CMD_TX_ENA 0x02
379 #define CMD_TX_DISA 0x03
380 #define CMD_TX_CRC_INIT 0x04
381 #define CMD_TX_CRC_EXC 0x05
382 #define CMD_TX_EOM 0x06
383 #define CMD_TX_ABORT 0x07
384 #define CMD_TX_MP_ON 0x08
385 #define CMD_TX_BUF_CLR 0x09
386 #define CMD_TX_DISB 0x0b
387 #define CMD_CH_RST 0x21
388 #define CMD_SRCH_MODE 0x31
391 #define CMD_RESET 0x21
392 #define CMD_TX_ENABLE 0x02
393 #define CMD_RX_ENABLE 0x12
395 #define ST0_RXRDY 0x01
396 #define ST0_TXRDY 0x02
397 #define ST0_RXINTB 0x20
398 #define ST0_RXINTA 0x40
399 #define ST0_TXINT 0x80
401 #define ST1_IDLE 0x01
402 #define ST1_ABORT 0x02
403 #define ST1_CDCD 0x04
404 #define ST1_CCTS 0x08
405 #define ST1_SYN_FLAG 0x10
406 #define ST1_CLMD 0x20
407 #define ST1_TXIDLE 0x40
408 #define ST1_UDRN 0x80
410 #define ST2_CRCE 0x04
411 #define ST2_ONRN 0x08
412 #define ST2_RBIT 0x10
413 #define ST2_ABORT 0x20
414 #define ST2_SHORT 0x40
417 #define ST3_RX_ENA 0x01
418 #define ST3_TX_ENA 0x02
421 #define ST3_SRCH_MODE 0x10
422 #define ST3_SLOOP 0x20
425 #define ST4_RDNR 0x01
426 #define ST4_RDCR 0x02
427 #define ST4_TDNR 0x04
428 #define ST4_TDCR 0x08
429 #define ST4_OCLM 0x20
431 #define ST4_CGPI 0x80
433 #define FST_CRCEF 0x04
434 #define FST_OVRNF 0x08
435 #define FST_RBIF 0x10
436 #define FST_ABTF 0x20
437 #define FST_SHRTF 0x40
438 #define FST_EOMF 0x80
440 #define IE0_RXRDY 0x01
441 #define IE0_TXRDY 0x02
442 #define IE0_RXINTB 0x20
443 #define IE0_RXINTA 0x40
444 #define IE0_TXINT 0x80
445 #define IE0_UDRN 0x00008000 /* TX underrun MSCI interrupt enable */
446 #define IE0_CDCD 0x00000400 /* CD level change interrupt enable */
448 #define IE1_IDLD 0x01
449 #define IE1_ABTD 0x02
450 #define IE1_CDCD 0x04
451 #define IE1_CCTS 0x08
452 #define IE1_SYNCD 0x10
453 #define IE1_CLMD 0x20
455 #define IE1_UDRN 0x80
457 #define IE2_CRCE 0x04
458 #define IE2_OVRN 0x08
459 #define IE2_RBIT 0x10
461 #define IE2_SHRT 0x40
464 #define IE4_RDNR 0x01
465 #define IE4_RDCR 0x02
466 #define IE4_TDNR 0x04
467 #define IE4_TDCR 0x08
468 #define IE4_OCLM 0x20
470 #define IE4_CGPI 0x80
472 #define FIE_CRCEF 0x04
473 #define FIE_OVRNF 0x08
474 #define FIE_RBIF 0x10
475 #define FIE_ABTF 0x20
476 #define FIE_SHRTF 0x40
477 #define FIE_EOMF 0x80
482 #define DSR_UDRF 0x04
490 #define DIR_UDRF 0x04
497 #define DIR_REFE 0x04
498 #define DIR_UDRFE 0x04
499 #define DIR_COAE 0x08
500 #define DIR_COFE 0x10
501 #define DIR_BOFE 0x20
502 #define DIR_EOME 0x40
503 #define DIR_EOTE 0x80
505 #define DMR_CNTE 0x02
507 #define DMR_SEOME 0x08
508 #define DMR_TMOD 0x10
510 #define DMER_DME 0x80 /* DMA Master Enable */
512 #define DCR_SW_ABT 0x01
513 #define DCR_FCT_CLR 0x02
515 #define DCR_ABORT 0x01
516 #define DCR_CLEAR_EOF 0x02
518 #define PCR_COTE 0x80
525 #define PCR_BURST 0x80
527 #endif /* (__HD64572_H) */
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