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1/******************************************************************************
2 *
3 * (C)Copyright 1998,1999 SysKonnect,
4 * a business unit of Schneider & Koch & Co. Datensysteme GmbH.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * The information in this file is provided "AS IS" without warranty.
12 *
13 ******************************************************************************/
14
15/*
16 defines for AMD Supernet II chip set
17 the chips are refered to as
18 FPLUS Formac Plus
19 PLC Physical Layer
20
21 added defines for AMD Supernet III chip set
22 added comments on differences between Supernet II and Supernet III
23 added defines for the Motorola ELM (MOT_ELM)
24*/
25
26#ifndef _SUPERNET_
27#define _SUPERNET_
28
29/*
30 * Define Supernet 3 when used
31 */
32#ifdef PCI
33#ifndef SUPERNET_3
34#define SUPERNET_3
35#endif
36#define TAG
37#endif
38
39#define MB 0xff
40#define MW 0xffff
41#define MD 0xffffffff
42
43/*
44 * FORMAC frame status (rx_msext)
45 */
46#define FS_EI (1<<2)
47#define FS_AI (1<<1)
48#define FS_CI (1<<0)
49
50#define FS_MSVALID (1<<15) /* end of queue */
51#define FS_MSRABT (1<<14) /* frame was aborted during reception*/
52#define FS_SSRCRTG (1<<12) /* if SA has set MSB (source-routing)*/
53#define FS_SEAC2 (FS_EI<<9) /* error indicator */
54#define FS_SEAC1 (FS_AI<<9) /* address indicator */
55#define FS_SEAC0 (FS_CI<<9) /* copy indicator */
56#define FS_SFRMERR (1<<8) /* error detected (CRC or length) */
57#define FS_SADRRG (1<<7) /* address recognized */
58#define FS_SFRMTY2 (1<<6) /* frame-class bit */
59#define FS_SFRMTY1 (1<<5) /* frame-type bit (impementor) */
60#define FS_SFRMTY0 (1<<4) /* frame-type bit (LLC) */
61#define FS_ERFBB1 (1<<1) /* byte offset (depends on LSB bit) */
62#define FS_ERFBB0 (1<<0) /* - " - */
63
64/*
65 * status frame type
66 */
67#define FRM_SMT (0) /* asynchr. frames */
68#define FRM_LLCA (1)
69#define FRM_IMPA (2)
70#define FRM_MAC (4) /* synchr. frames */
71#define FRM_LLCS (5)
72#define FRM_IMPS (6)
73
74/*
75 * bits in rx_descr.i (receive frame status word)
76 */
77#define RX_MSVALID ((long)1<<31) /* memory status valid */
78#define RX_MSRABT ((long)1<<30) /* memory status receive abort */
79#define RX_FS_E ((long)FS_SEAC2<<16) /* error indicator */
80#define RX_FS_A ((long)FS_SEAC1<<16) /* address indicator */
81#define RX_FS_C ((long)FS_SEAC0<<16) /* copy indicator */
82#define RX_FS_CRC ((long)FS_SFRMERR<<16)/* error detected */
83#define RX_FS_ADDRESS ((long)FS_SADRRG<<16) /* address recognized */
84#define RX_FS_MAC ((long)FS_SFRMTY2<<16)/* MAC frame */
85#define RX_FS_SMT ((long)0<<16) /* SMT frame */
86#define RX_FS_IMPL ((long)FS_SFRMTY1<<16)/* implementer frame */
87#define RX_FS_LLC ((long)FS_SFRMTY0<<16)/* LLC frame */
88
89/*
90 * receive frame descriptor
91 */
92union rx_descr {
93 struct {
94#ifdef LITTLE_ENDIAN
95 unsigned rx_length :16 ; /* frame length lower/upper byte */
96 unsigned rx_erfbb :2 ; /* received frame byte boundary */
97 unsigned rx_reserv2:2 ; /* reserved */
98 unsigned rx_sfrmty :3 ; /* frame type bits */
99 unsigned rx_sadrrg :1 ; /* DA == MA or broad-/multicast */
100 unsigned rx_sfrmerr:1 ; /* received frame not valid */
101 unsigned rx_seac0 :1 ; /* frame-copied C-indicator */
102 unsigned rx_seac1 :1 ; /* address-match A-indicator */
103 unsigned rx_seac2 :1 ; /* frame-error E-indicator */
104 unsigned rx_ssrcrtg:1 ; /* == 1 SA has MSB set */
105 unsigned rx_reserv1:1 ; /* reserved */
106 unsigned rx_msrabt :1 ; /* memory status receive abort */
107 unsigned rx_msvalid:1 ; /* memory status valid */
108#else
109 unsigned rx_msvalid:1 ; /* memory status valid */
110 unsigned rx_msrabt :1 ; /* memory status receive abort */
111 unsigned rx_reserv1:1 ; /* reserved */
112 unsigned rx_ssrcrtg:1 ; /* == 1 SA has MSB set */
113 unsigned rx_seac2 :1 ; /* frame-error E-indicator */
114 unsigned rx_seac1 :1 ; /* address-match A-indicator */
115 unsigned rx_seac0 :1 ; /* frame-copied C-indicator */
116 unsigned rx_sfrmerr:1 ; /* received frame not valid */
117 unsigned rx_sadrrg :1 ; /* DA == MA or broad-/multicast */
118 unsigned rx_sfrmty :3 ; /* frame type bits */
119 unsigned rx_erfbb :2 ; /* received frame byte boundary */
120 unsigned rx_reserv2:2 ; /* reserved */
121 unsigned rx_length :16 ; /* frame length lower/upper byte */
122#endif
123 } r ;
124 long i ;
125} ;
126
127/* defines for Receive Frame Descriptor access */
128#define RD_S_ERFBB 0x00030000L /* received frame byte boundary */
129#define RD_S_RES2 0x000c0000L /* reserved */
130#define RD_S_SFRMTY 0x00700000L /* frame type bits */
131#define RD_S_SADRRG 0x00800000L /* DA == MA or broad-/multicast */
132#define RD_S_SFRMERR 0x01000000L /* received frame not valid */
133#define RD_S_SEAC 0x0e000000L /* frame status indicators */
134#define RD_S_SEAC0 0x02000000L /* frame-copied case-indicator */
135#define RD_S_SEAC1 0x04000000L /* address-match A-indicator */
136#define RD_S_SEAC2 0x08000000L /* frame-error E-indicator */
137#define RD_S_SSRCRTG 0x10000000L /* == 1 SA has MSB set */
138#define RD_S_RES1 0x20000000L /* reserved */
139#define RD_S_MSRABT 0x40000000L /* memory status receive abort */
140#define RD_S_MSVALID 0x80000000L /* memory status valid */
141
142#define RD_STATUS 0xffff0000L
143#define RD_LENGTH 0x0000ffffL
144
145/* defines for Receive Frames Status Word values */
146/*RD_S_SFRMTY*/
147#define RD_FRM_SMT (unsigned long)(0<<20) /* asynchr. frames */
148#define RD_FRM_LLCA (unsigned long)(1<<20)
149#define RD_FRM_IMPA (unsigned long)(2<<20)
150#define RD_FRM_MAC (unsigned long)(4<<20) /* synchr. frames */
151#define RD_FRM_LLCS (unsigned long)(5<<20)
152#define RD_FRM_IMPS (unsigned long)(6<<20)
153
154#define TX_DESCRIPTOR 0x40000000L
155#define TX_OFFSET_3 0x18000000L
156
157#define TXP1 2
158
159/*
160 * transmit frame descriptor
161 */
162union tx_descr {
163 struct {
164#ifdef LITTLE_ENDIAN
165 unsigned tx_length:16 ; /* frame length lower/upper byte */
166 unsigned tx_res :8 ; /* reserved (bit 16..23) */
167 unsigned tx_xmtabt:1 ; /* transmit abort */
168 unsigned tx_nfcs :1 ; /* no frame check sequence */
169 unsigned tx_xdone :1 ; /* give up token */
170 unsigned tx_rpxm :2 ; /* byte offset */
171 unsigned tx_pat1 :2 ; /* must be TXP1 */
172 unsigned tx_more :1 ; /* more frame in chain */
173#else
174 unsigned tx_more :1 ; /* more frame in chain */
175 unsigned tx_pat1 :2 ; /* must be TXP1 */
176 unsigned tx_rpxm :2 ; /* byte offset */
177 unsigned tx_xdone :1 ; /* give up token */
178 unsigned tx_nfcs :1 ; /* no frame check sequence */
179 unsigned tx_xmtabt:1 ; /* transmit abort */
180 unsigned tx_res :8 ; /* reserved (bit 16..23) */
181 unsigned tx_length:16 ; /* frame length lower/upper byte */
182#endif
183 } t ;
184 long i ;
185} ;
186
187/* defines for Transmit Descriptor access */
188#define TD_C_MORE 0x80000000L /* more frame in chain */
189#define TD_C_DESCR 0x60000000L /* must be TXP1 */
190#define TD_C_TXFBB 0x18000000L /* byte offset */
191#define TD_C_XDONE 0x04000000L /* give up token */
192#define TD_C_NFCS 0x02000000L /* no frame check sequence */
193#define TD_C_XMTABT 0x01000000L /* transmit abort */
194
195#define TD_C_LNCNU 0x0000ff00L
196#define TD_C_LNCNL 0x000000ffL
197#define TD_C_LNCN 0x0000ffffL /* frame length lower/upper byte */
198
199/*
200 * transmit pointer
201 */
202union tx_pointer {
203 struct t {
204#ifdef LITTLE_ENDIAN
205 unsigned tp_pointer:16 ; /* pointer to tx_descr (low/high) */
206 unsigned tp_res :8 ; /* reserved (bit 16..23) */
207 unsigned tp_pattern:8 ; /* fixed pattern (bit 24..31) */
208#else
209 unsigned tp_pattern:8 ; /* fixed pattern (bit 24..31) */
210 unsigned tp_res :8 ; /* reserved (bit 16..23) */
211 unsigned tp_pointer:16 ; /* pointer to tx_descr (low/high) */
212#endif
213 } t ;
214 long i ;
215} ;
216
217/* defines for Nontag Mode Pointer access */
218#define TD_P_CNTRL 0xff000000L
219#define TD_P_RPXU 0x0000ff00L
220#define TD_P_RPXL 0x000000ffL
221#define TD_P_RPX 0x0000ffffL
222
223
224#define TX_PATTERN 0xa0
225#define TX_POINTER_END 0xa0000000L
226#define TX_INT_PATTERN 0xa0000000L
227
228struct tx_queue {
229 struct tx_queue *tq_next ;
230 u_short tq_pack_offset ; /* offset buffer memory */
231 u_char tq_pad[2] ;
232} ;
233
234/*
235 defines for FORMAC Plus (Am79C830)
236*/
237
238/*
239 * FORMAC+ read/write (r/w) registers
240 */
241#define FM_CMDREG1 0x00 /* write command reg 1 instruction */
242#define FM_CMDREG2 0x01 /* write command reg 2 instruction */
243#define FM_ST1U 0x00 /* read upper 16-bit of status reg 1 */
244#define FM_ST1L 0x01 /* read lower 16-bit of status reg 1 */
245#define FM_ST2U 0x02 /* read upper 16-bit of status reg 2 */
246#define FM_ST2L 0x03 /* read lower 16-bit of status reg 2 */
247#define FM_IMSK1U 0x04 /* r/w upper 16-bit of IMSK 1 */
248#define FM_IMSK1L 0x05 /* r/w lower 16-bit of IMSK 1 */
249#define FM_IMSK2U 0x06 /* r/w upper 16-bit of IMSK 2 */
250#define FM_IMSK2L 0x07 /* r/w lower 16-bit of IMSK 2 */
251#define FM_SAID 0x08 /* r/w short addr.-individual */
252#define FM_LAIM 0x09 /* r/w long addr.-ind. (MSW of LAID) */
253#define FM_LAIC 0x0a /* r/w long addr.-ind. (middle)*/
254#define FM_LAIL 0x0b /* r/w long addr.-ind. (LSW) */
255#define FM_SAGP 0x0c /* r/w short address-group */
256#define FM_LAGM 0x0d /* r/w long addr.-gr. (MSW of LAGP) */
257#define FM_LAGC 0x0e /* r/w long addr.-gr. (middle) */
258#define FM_LAGL 0x0f /* r/w long addr.-gr. (LSW) */
259#define FM_MDREG1 0x10 /* r/w 16-bit mode reg 1 */
260#define FM_STMCHN 0x11 /* read state-machine reg */
261#define FM_MIR1 0x12 /* read upper 16-bit of MAC Info Reg */
262#define FM_MIR0 0x13 /* read lower 16-bit of MAC Info Reg */
263#define FM_TMAX 0x14 /* r/w 16-bit TMAX reg */
264#define FM_TVX 0x15 /* write 8-bit TVX reg with NP7-0
265 read TVX on NP7-0, timer on NP15-8*/
266#define FM_TRT 0x16 /* r/w upper 16-bit of TRT timer */
267#define FM_THT 0x17 /* r/w upper 16-bit of THT timer */
268#define FM_TNEG 0x18 /* read upper 16-bit of TNEG (TTRT) */
269#define FM_TMRS 0x19 /* read lower 5-bit of TNEG,TRT,THT */
270 /* F E D C B A 9 8 7 6 5 4 3 2 1 0
271 x |-TNEG4-0| |-TRT4-0-| |-THT4-0-| (x-late count) */
272#define FM_TREQ0 0x1a /* r/w 16-bit TREQ0 reg (LSW of TRT) */
273#define FM_TREQ1 0x1b /* r/w 16-bit TREQ1 reg (MSW of TRT) */
274#define FM_PRI0 0x1c /* r/w priority r. for asyn.-queue 0 */
275#define FM_PRI1 0x1d /* r/w priority r. for asyn.-queue 1 */
276#define FM_PRI2 0x1e /* r/w priority r. for asyn.-queue 2 */
277#define FM_TSYNC 0x1f /* r/w 16-bit of the TSYNC register */
278#define FM_MDREG2 0x20 /* r/w 16-bit mode reg 2 */
279#define FM_FRMTHR 0x21 /* r/w the frame threshold register */
280#define FM_EACB 0x22 /* r/w end addr of claim/beacon area */
281#define FM_EARV 0x23 /* r/w end addr of receive queue */
282/* Supernet 3 */
283#define FM_EARV1 FM_EARV
284
285#define FM_EAS 0x24 /* r/w end addr of synchr. queue */
286#define FM_EAA0 0x25 /* r/w end addr of asyn. queue 0 */
287#define FM_EAA1 0x26 /* r/w end addr of asyn. queue 1 */
288#define FM_EAA2 0x27 /* r/w end addr of asyn. queue 2 */
289#define FM_SACL 0x28 /* r/w start addr of claim frame */
290#define FM_SABC 0x29 /* r/w start addr of beacon frame */
291#define FM_WPXSF 0x2a /* r/w the write ptr. for special fr.*/
292#define FM_RPXSF 0x2b /* r/w the read ptr. for special fr. */
293#define FM_RPR 0x2d /* r/w the read ptr. for receive qu. */
294#define FM_WPR 0x2e /* r/w the write ptr. for receive qu.*/
295#define FM_SWPR 0x2f /* r/w the shadow wr.-ptr. for rec.q.*/
296/* Supernet 3 */
297#define FM_RPR1 FM_RPR
298#define FM_WPR1 FM_WPR
299#define FM_SWPR1 FM_SWPR
300
301#define FM_WPXS 0x30 /* r/w the write ptr. for synchr. qu.*/
302#define FM_WPXA0 0x31 /* r/w the write ptr. for asyn. qu.0 */
303#define FM_WPXA1 0x32 /* r/w the write ptr. for asyn. qu.1 */
304#define FM_WPXA2 0x33 /* r/w the write ptr. for asyn. qu.2 */
305#define FM_SWPXS 0x34 /* r/w the shadow wr.-ptr. for syn.q.*/
306#define FM_SWPXA0 0x35 /* r/w the shad. wr.-ptr. for asyn.q0*/
307#define FM_SWPXA1 0x36 /* r/w the shad. wr.-ptr. for asyn.q1*/
308#define FM_SWPXA2 0x37 /* r/w the shad. wr.-ptr. for asyn.q2*/
309#define FM_RPXS 0x38 /* r/w the read ptr. for synchr. qu. */
310#define FM_RPXA0 0x39 /* r/w the read ptr. for asyn. qu. 0 */
311#define FM_RPXA1 0x3a /* r/w the read ptr. for asyn. qu. 1 */
312#define FM_RPXA2 0x3b /* r/w the read ptr. for asyn. qu. 2 */
313#define FM_MARR 0x3c /* r/w the memory read addr register */
314#define FM_MARW 0x3d /* r/w the memory write addr register*/
315#define FM_MDRU 0x3e /* r/w upper 16-bit of mem. data reg */
316#define FM_MDRL 0x3f /* r/w lower 16-bit of mem. data reg */
317
318/* following instructions relate to MAC counters and timer */
319#define FM_TMSYNC 0x40 /* r/w upper 16 bits of TMSYNC timer */
320#define FM_FCNTR 0x41 /* r/w the 16-bit frame counter */
321#define FM_LCNTR 0x42 /* r/w the 16-bit lost counter */
322#define FM_ECNTR 0x43 /* r/w the 16-bit error counter */
323
324/* Supernet 3: extensions to old register block */
325#define FM_FSCNTR 0x44 /* r/? Frame Strip Counter */
326#define FM_FRSELREG 0x45 /* r/w Frame Selection Register */
327
328/* Supernet 3: extensions for 2. receive queue etc. */
329#define FM_MDREG3 0x60 /* r/w Mode Register 3 */
330#define FM_ST3U 0x61 /* read upper 16-bit of status reg 3 */
331#define FM_ST3L 0x62 /* read lower 16-bit of status reg 3 */
332#define FM_IMSK3U 0x63 /* r/w upper 16-bit of IMSK reg 3 */
333#define FM_IMSK3L 0x64 /* r/w lower 16-bit of IMSK reg 3 */
334#define FM_IVR 0x65 /* read Interrupt Vector register */
335#define FM_IMR 0x66 /* r/w Interrupt mask register */
336/* 0x67 Hidden */
337#define FM_RPR2 0x68 /* r/w the read ptr. for rec. qu. 2 */
338#define FM_WPR2 0x69 /* r/w the write ptr. for rec. qu. 2 */
339#define FM_SWPR2 0x6a /* r/w the shadow wptr. for rec. q. 2 */
340#define FM_EARV2 0x6b /* r/w end addr of rec. qu. 2 */
341#define FM_UNLCKDLY 0x6c /* r/w Auto Unlock Delay register */
342 /* Bit 15-8: RECV2 unlock threshold */
343 /* Bit 7-0: RECV1 unlock threshold */
344/* 0x6f-0x73 Hidden */
345#define FM_LTDPA1 0x79 /* r/w Last Trans desc ptr for A1 qu. */
346/* 0x80-0x9a PLCS registers of built-in PLCS (Supernet 3 only) */
347
348/* Supernet 3: Adderss Filter Registers */
349#define FM_AFCMD 0xb0 /* r/w Address Filter Command Reg */
350#define FM_AFSTAT 0xb2 /* r/w Address Filter Status Reg */
351#define FM_AFBIST 0xb4 /* r/w Address Filter BIST signature */
352#define FM_AFCOMP2 0xb6 /* r/w Address Filter Comparand 2 */
353#define FM_AFCOMP1 0xb8 /* r/w Address Filter Comparand 1 */
354#define FM_AFCOMP0 0xba /* r/w Address Filter Comparand 0 */
355#define FM_AFMASK2 0xbc /* r/w Address Filter Mask 2 */
356#define FM_AFMASK1 0xbe /* r/w Address Filter Mask 1 */
357#define FM_AFMASK0 0xc0 /* r/w Address Filter Mask 0 */
358#define FM_AFPERS 0xc2 /* r/w Address Filter Personality Reg */
359
360/* Supernet 3: Orion (PDX?) Registers */
361#define FM_ORBIST 0xd0 /* r/w Orion BIST signature */
362#define FM_ORSTAT 0xd2 /* r/w Orion Status Register */
363
364
365/*
366 * Mode Register 1 (MDREG1)
367 */
368#define FM_RES0 0x0001 /* reserved */
369 /* SN3: other definition */
370#define FM_XMTINH_HOLD 0x0002 /* transmit-inhibit/hold bit */
371 /* SN3: other definition */
372#define FM_HOFLXI 0x0003 /* SN3: Hold / Flush / Inhibit */
373#define FM_FULL_HALF 0x0004 /* full-duplex/half-duplex bit */
374#define FM_LOCKTX 0x0008 /* lock-transmit-asynchr.-queues bit */
375#define FM_EXGPA0 0x0010 /* extended-group-addressing bit 0 */
376#define FM_EXGPA1 0x0020 /* extended-group-addressing bit 1 */
377#define FM_DISCRY 0x0040 /* disable-carry bit */
378 /* SN3: reserved */
379#define FM_SELRA 0x0080 /* select input from PHY (1=RA,0=RB) */
380
381#define FM_ADDET 0x0700 /* address detection */
382#define FM_MDAMA (0<<8) /* address detection : DA = MA */
383#define FM_MDASAMA (1<<8) /* address detection : DA=MA||SA=MA */
384#define FM_MRNNSAFNMA (2<<8) /* rec. non-NSA frames DA=MA&&SA!=MA */
385#define FM_MRNNSAF (3<<8) /* rec. non-NSA frames DA = MA */
386#define FM_MDISRCV (4<<8) /* disable receive function */
387#define FM_MRES0 (5<<8) /* reserve */
388#define FM_MLIMPROM (6<<8) /* limited-promiscuous mode */
389#define FM_MPROMISCOUS (7<<8) /* address detection : promiscous */
390
391#define FM_SELSA 0x0800 /* select-short-address bit */
392
393#define FM_MMODE 0x7000 /* mode select */
394#define FM_MINIT (0<<12) /* initialize */
395#define FM_MMEMACT (1<<12) /* memory activate */
396#define FM_MONLINESP (2<<12) /* on-line special */
397#define FM_MONLINE (3<<12) /* on-line (FDDI operational mode) */
398#define FM_MILOOP (4<<12) /* internal loopback */
399#define FM_MRES1 (5<<12) /* reserved */
400#define FM_MRES2 (6<<12) /* reserved */
401#define FM_MELOOP (7<<12) /* external loopback */
402
403#define FM_SNGLFRM 0x8000 /* single-frame-receive mode */
404 /* SN3: reserved */
405
406#define MDR1INIT (FM_MINIT | FM_MDAMA)
407
408/*
409 * Mode Register 2 (MDREG2)
410 */
411#define FM_AFULL 0x000f /* 4-bit value (empty loc.in txqueue)*/
412#define FM_RCVERR 0x0010 /* rec.-errored-frames bit */
413#define FM_SYMCTL 0x0020 /* sysmbol-control bit */
414 /* SN3: reserved */
415#define FM_SYNPRQ 0x0040 /* synchron.-NP-DMA-request bit */
416#define FM_ENNPRQ 0x0080 /* enable-NP-DMA-request bit */
417#define FM_ENHSRQ 0x0100 /* enable-host-request bit */
418#define FM_RXFBB01 0x0600 /* rec. frame byte boundary bit0 & 1 */
419#define FM_LSB 0x0800 /* determ. ordering of bytes in buffer*/
420#define FM_PARITY 0x1000 /* 1 = even, 0 = odd */
421#define FM_CHKPAR 0x2000 /* 1 = parity of 32-bit buffer BD-bus*/
422#define FM_STRPFCS 0x4000 /* 1 = strips FCS field of rec.frame */
423#define FM_BMMODE 0x8000 /* Buffer-Memory-Mode (1 = tag mode) */
424 /* SN3: 1 = tag, 0 = modified tag */
425
426/*
427 * Status Register 1, Upper 16 Bits (ST1U)
428 */
429#define FM_STEFRMS 0x0001 /* transmit end of frame: synchr. qu.*/
430#define FM_STEFRMA0 0x0002 /* transmit end of frame: asyn. qu.0 */
431#define FM_STEFRMA1 0x0004 /* transmit end of frame: asyn. qu.1 */
432#define FM_STEFRMA2 0x0008 /* transmit end of frame: asyn. qu.2 */
433 /* SN3: reserved */
434#define FM_STECFRMS 0x0010 /* transmit end of chain of syn. qu. */
435 /* SN3: reserved */
436#define FM_STECFRMA0 0x0020 /* transmit end of chain of asyn. q0 */
437 /* SN3: reserved */
438#define FM_STECFRMA1 0x0040 /* transmit end of chain of asyn. q1 */
439 /* SN3: STECMDA1 */
440#define FM_STECMDA1 0x0040 /* SN3: 'no description' */
441#define FM_STECFRMA2 0x0080 /* transmit end of chain of asyn. q2 */
442 /* SN3: reserved */
443#define FM_STEXDONS 0x0100 /* transmit until XDONE in syn. qu. */
444#define FM_STBFLA 0x0200 /* asynchr.-queue trans. buffer full */
445#define FM_STBFLS 0x0400 /* synchr.-queue transm. buffer full */
446#define FM_STXABRS 0x0800 /* synchr. queue transmit-abort */
447#define FM_STXABRA0 0x1000 /* asynchr. queue 0 transmit-abort */
448#define FM_STXABRA1 0x2000 /* asynchr. queue 1 transmit-abort */
449#define FM_STXABRA2 0x4000 /* asynchr. queue 2 transmit-abort */
450 /* SN3: reserved */
451#define FM_SXMTABT 0x8000 /* transmit abort */
452
453/*
454 * Status Register 1, Lower 16 Bits (ST1L)
455 */
456#define FM_SQLCKS 0x0001 /* queue lock for synchr. queue */
457#define FM_SQLCKA0 0x0002 /* queue lock for asynchr. queue 0 */
458#define FM_SQLCKA1 0x0004 /* queue lock for asynchr. queue 1 */
459#define FM_SQLCKA2 0x0008 /* queue lock for asynchr. queue 2 */
460 /* SN3: reserved */
461#define FM_STXINFLS 0x0010 /* transmit instruction full: syn. */
462 /* SN3: reserved */
463#define FM_STXINFLA0 0x0020 /* transmit instruction full: asyn.0 */
464 /* SN3: reserved */
465#define FM_STXINFLA1 0x0040 /* transmit instruction full: asyn.1 */
466 /* SN3: reserved */
467#define FM_STXINFLA2 0x0080 /* transmit instruction full: asyn.2 */
468 /* SN3: reserved */
469#define FM_SPCEPDS 0x0100 /* parity/coding error: syn. queue */
470#define FM_SPCEPDA0 0x0200 /* parity/coding error: asyn. queue0 */
471#define FM_SPCEPDA1 0x0400 /* parity/coding error: asyn. queue1 */
472#define FM_SPCEPDA2 0x0800 /* parity/coding error: asyn. queue2 */
473 /* SN3: reserved */
474#define FM_STBURS 0x1000 /* transmit buffer underrun: syn. q. */
475#define FM_STBURA0 0x2000 /* transmit buffer underrun: asyn.0 */
476#define FM_STBURA1 0x4000 /* transmit buffer underrun: asyn.1 */
477#define FM_STBURA2 0x8000 /* transmit buffer underrun: asyn.2 */
478 /* SN3: reserved */
479
480/*
481 * Status Register 2, Upper 16 Bits (ST2U)
482 */
483#define FM_SOTRBEC 0x0001 /* other beacon received */
484#define FM_SMYBEC 0x0002 /* my beacon received */
485#define FM_SBEC 0x0004 /* beacon state entered */
486#define FM_SLOCLM 0x0008 /* low claim received */
487#define FM_SHICLM 0x0010 /* high claim received */
488#define FM_SMYCLM 0x0020 /* my claim received */
489#define FM_SCLM 0x0040 /* claim state entered */
490#define FM_SERRSF 0x0080 /* error in special frame */
491#define FM_SNFSLD 0x0100 /* NP and FORMAC+ simultaneous load */
492#define FM_SRFRCTOV 0x0200 /* receive frame counter overflow */
493 /* SN3: reserved */
494#define FM_SRCVFRM 0x0400 /* receive frame */
495 /* SN3: reserved */
496#define FM_SRCVOVR 0x0800 /* receive FIFO overflow */
497#define FM_SRBFL 0x1000 /* receive buffer full */
498#define FM_SRABT 0x2000 /* receive abort */
499#define FM_SRBMT 0x4000 /* receive buffer empty */
500#define FM_SRCOMP 0x8000 /* receive complete. Nontag mode */
501
502/*
503 * Status Register 2, Lower 16 Bits (ST2L)
504 * Attention: SN3 docu shows these bits the other way around
505 */
506#define FM_SRES0 0x0001 /* reserved */
507#define FM_SESTRIPTK 0x0001 /* SN3: 'no description' */
508#define FM_STRTEXR 0x0002 /* TRT expired in claim | beacon st. */
509#define FM_SDUPCLM 0x0004 /* duplicate claim received */
510#define FM_SSIFG 0x0008 /* short interframe gap */
511#define FM_SFRMCTR 0x0010 /* frame counter overflow */
512#define FM_SERRCTR 0x0020 /* error counter overflow */
513#define FM_SLSTCTR 0x0040 /* lost counter overflow */
514#define FM_SPHINV 0x0080 /* PHY invalid */
515#define FM_SADET 0x0100 /* address detect */
516#define FM_SMISFRM 0x0200 /* missed frame */
517#define FM_STRTEXP 0x0400 /* TRT expired and late count > 0 */
518#define FM_STVXEXP 0x0800 /* TVX expired */
519#define FM_STKISS 0x1000 /* token issued */
520#define FM_STKERR 0x2000 /* token error */
521#define FM_SMULTDA 0x4000 /* multiple destination address */
522#define FM_SRNGOP 0x8000 /* ring operational */
523
524/*
525 * Supernet 3:
526 * Status Register 3, Upper 16 Bits (ST3U)
527 */
528#define FM_SRQUNLCK1 0x0001 /* receive queue unlocked queue 1 */
529#define FM_SRQUNLCK2 0x0002 /* receive queue unlocked queue 2 */
530#define FM_SRPERRQ1 0x0004 /* receive parity error rx queue 1 */
531#define FM_SRPERRQ2 0x0008 /* receive parity error rx queue 2 */
532 /* Bit 4-10: reserved */
533#define FM_SRCVOVR2 0x0800 /* receive FIFO overfull rx queue 2 */
534#define FM_SRBFL2 0x1000 /* receive buffer full rx queue 2 */
535#define FM_SRABT2 0x2000 /* receive abort rx queue 2 */
536#define FM_SRBMT2 0x4000 /* receive buf empty rx queue 2 */
537#define FM_SRCOMP2 0x8000 /* receive comp rx queue 2 */
538
539/*
540 * Supernet 3:
541 * Status Register 3, Lower 16 Bits (ST3L)
542 */
543#define FM_AF_BIST_DONE 0x0001 /* Address Filter BIST is done */
544#define FM_PLC_BIST_DONE 0x0002 /* internal PLC Bist is done */
545#define FM_PDX_BIST_DONE 0x0004 /* PDX BIST is done */
546 /* Bit 3: reserved */
547#define FM_SICAMDAMAT 0x0010 /* Status internal CAM DA match */
548#define FM_SICAMDAXACT 0x0020 /* Status internal CAM DA exact match */
549#define FM_SICAMSAMAT 0x0040 /* Status internal CAM SA match */
550#define FM_SICAMSAXACT 0x0080 /* Status internal CAM SA exact match */
551
552/*
553 * MAC State-Machine Register FM_STMCHN
554 */
555#define FM_MDRTAG 0x0004 /* tag bit of long word read */
556#define FM_SNPPND 0x0008 /* r/w from buffer mem. is pending */
557#define FM_TXSTAT 0x0070 /* transmitter state machine state */
558#define FM_RCSTAT 0x0380 /* receiver state machine state */
559#define FM_TM01 0x0c00 /* indicate token mode */
560#define FM_SIM 0x1000 /* indicate send immediate-mode */
561#define FM_REV 0xe000 /* FORMAC Plus revision number */
562
563/*
564 * Supernet 3
565 * Mode Register 3
566 */
567#define FM_MENRS 0x0001 /* Ena enhanced rec status encoding */
568#define FM_MENXS 0x0002 /* Ena enhanced xmit status encoding */
569#define FM_MENXCT 0x0004 /* Ena EXACT/INEXACT matching */
570#define FM_MENAFULL 0x0008 /* Ena enh QCTRL encoding for AFULL */
571#define FM_MEIND 0x0030 /* Ena enh A,C indicator settings */
572#define FM_MENQCTRL 0x0040 /* Ena enh QCTRL encoding */
573#define FM_MENRQAUNLCK 0x0080 /* Ena rec q auto unlock */
574#define FM_MENDAS 0x0100 /* Ena DAS connections by cntr MUX */
575#define FM_MENPLCCST 0x0200 /* Ena Counter Segm test in PLC blck */
576#define FM_MENSGLINT 0x0400 /* Ena Vectored Interrupt reading */
577#define FM_MENDRCV 0x0800 /* Ena dual receive queue operation */
578#define FM_MENFCLOC 0x3000 /* Ena FC location within frm data */
579#define FM_MENTRCMD 0x4000 /* Ena ASYNC1 xmit only after command */
580#define FM_MENTDLPBK 0x8000 /* Ena TDAT to RDAT lkoopback */
581
582/*
583 * Supernet 3
584 * Frame Selection Register
585 */
586#define FM_RECV1 0x000f /* options for receive queue 1 */
587#define FM_RCV1_ALL (0<<0) /* receive all frames */
588#define FM_RCV1_LLC (1<<0) /* rec all LLC frames */
589#define FM_RCV1_SMT (2<<0) /* rec all SMT frames */
590#define FM_RCV1_NSMT (3<<0) /* rec non-SMT frames */
591#define FM_RCV1_IMP (4<<0) /* rec Implementor frames */
592#define FM_RCV1_MAC (5<<0) /* rec all MAC frames */
593#define FM_RCV1_SLLC (6<<0) /* rec all sync LLC frames */
594#define FM_RCV1_ALLC (7<<0) /* rec all async LLC frames */
595#define FM_RCV1_VOID (8<<0) /* rec all void frames */
596#define FM_RCV1_ALSMT (9<<0) /* rec all async LLC & SMT frames */
597#define FM_RECV2 0x00f0 /* options for receive queue 2 */
598#define FM_RCV2_ALL (0<<4) /* receive all other frames */
599#define FM_RCV2_LLC (1<<4) /* rec all LLC frames */
600#define FM_RCV2_SMT (2<<4) /* rec all SMT frames */
601#define FM_RCV2_NSMT (3<<4) /* rec non-SMT frames */
602#define FM_RCV2_IMP (4<<4) /* rec Implementor frames */
603#define FM_RCV2_MAC (5<<4) /* rec all MAC frames */
604#define FM_RCV2_SLLC (6<<4) /* rec all sync LLC frames */
605#define FM_RCV2_ALLC (7<<4) /* rec all async LLC frames */
606#define FM_RCV2_VOID (8<<4) /* rec all void frames */
607#define FM_RCV2_ALSMT (9<<4) /* rec all async LLC & SMT frames */
608#define FM_ENXMTADSWAP 0x4000 /* enh rec addr swap (phys -> can) */
609#define FM_ENRCVADSWAP 0x8000 /* enh tx addr swap (can -> phys) */
610
611/*
612 * Supernet 3:
613 * Address Filter Command Register (AFCMD)
614 */
615#define FM_INST 0x0007 /* Address Filter Operation */
616#define FM_IINV_CAM (0<<0) /* Invalidate CAM */
617#define FM_IWRITE_CAM (1<<0) /* Write CAM */
618#define FM_IREAD_CAM (2<<0) /* Read CAM */
619#define FM_IRUN_BIST (3<<0) /* Run BIST */
620#define FM_IFIND (4<<0) /* Find */
621#define FM_IINV (5<<0) /* Invalidate */
622#define FM_ISKIP (6<<0) /* Skip */
623#define FM_ICL_SKIP (7<<0) /* Clear all SKIP bits */
624
625/*
626 * Supernet 3:
627 * Address Filter Status Register (AFSTAT)
628 */
629 /* Bit 0-4: reserved */
630#define FM_REV_NO 0x00e0 /* Revision Number of Address Filter */
631#define FM_BIST_DONE 0x0100 /* BIST complete */
632#define FM_EMPTY 0x0200 /* CAM empty */
633#define FM_ERROR 0x0400 /* Error (improper operation) */
634#define FM_MULT 0x0800 /* Multiple Match */
635#define FM_EXACT 0x1000 /* Exact Match */
636#define FM_FOUND 0x2000 /* Comparand found in CAM */
637#define FM_FULL 0x4000 /* CAM full */
638#define FM_DONE 0x8000 /* DONE indicator */
639
640/*
641 * Supernet 3:
642 * BIST Signature Register (AFBIST)
643 */
644#define AF_BIST_SIGNAT 0x0553 /* Address Filter BIST Signature */
645
646/*
647 * Supernet 3:
648 * Personality Register (AFPERS)
649 */
650#define FM_VALID 0x0001 /* CAM Entry Valid */
651#define FM_DA 0x0002 /* Destination Address */
652#define FM_DAX 0x0004 /* Destination Address Exact */
653#define FM_SA 0x0008 /* Source Address */
654#define FM_SAX 0x0010 /* Source Address Exact */
655#define FM_SKIP 0x0020 /* Skip this entry */
656
657/*
658 * instruction set for command register 1 (NPADDR6-0 = 0x00)
659 */
660#define FM_IRESET 0x01 /* software reset */
661#define FM_IRMEMWI 0x02 /* load Memory Data Reg., inc MARR */
662#define FM_IRMEMWO 0x03 /* load MDR from buffer memory, n.i. */
663#define FM_IIL 0x04 /* idle/listen */
664#define FM_ICL 0x05 /* claim/listen */
665#define FM_IBL 0x06 /* beacon/listen */
666#define FM_ILTVX 0x07 /* load TVX timer from TVX reg */
667#define FM_INRTM 0x08 /* nonrestricted token mode */
668#define FM_IENTM 0x09 /* enter nonrestricted token mode */
669#define FM_IERTM 0x0a /* enter restricted token mode */
670#define FM_IRTM 0x0b /* restricted token mode */
671#define FM_ISURT 0x0c /* send unrestricted token */
672#define FM_ISRT 0x0d /* send restricted token */
673#define FM_ISIM 0x0e /* enter send-immediate mode */
674#define FM_IESIM 0x0f /* exit send-immediate mode */
675#define FM_ICLLS 0x11 /* clear synchronous queue lock */
676#define FM_ICLLA0 0x12 /* clear asynchronous queue 0 lock */
677#define FM_ICLLA1 0x14 /* clear asynchronous queue 1 lock */
678#define FM_ICLLA2 0x18 /* clear asynchronous queue 2 lock */
679 /* SN3: reserved */
680#define FM_ICLLR 0x20 /* clear receive queue (SN3:1) lock */
681#define FM_ICLLR2 0x21 /* SN3: clear receive queue 2 lock */
682#define FM_ITRXBUS 0x22 /* SN3: Tristate X-Bus (SAS only) */
683#define FM_IDRXBUS 0x23 /* SN3: drive X-Bus */
684#define FM_ICLLAL 0x3f /* clear all queue locks */
685
686/*
687 * instruction set for command register 2 (NPADDR6-0 = 0x01)
688 */
689#define FM_ITRS 0x01 /* transmit synchronous queue */
690 /* SN3: reserved */
691#define FM_ITRA0 0x02 /* transmit asynchronous queue 0 */
692 /* SN3: reserved */
693#define FM_ITRA1 0x04 /* transmit asynchronous queue 1 */
694 /* SN3: reserved */
695#define FM_ITRA2 0x08 /* transmit asynchronous queue 2 */
696 /* SN3: reserved */
697#define FM_IACTR 0x10 /* abort current transmit activity */
698#define FM_IRSTQ 0x20 /* reset transmit queues */
699#define FM_ISTTB 0x30 /* set tag bit */
700#define FM_IERSF 0x40 /* enable receive single frame */
701 /* SN3: reserved */
702#define FM_ITR 0x50 /* SN3: Transmit Command */
703
704
705/*
706 * defines for PLC (Am79C864)
707 */
708
709/*
710 * PLC read/write (r/w) registers
711 */
712#define PL_CNTRL_A 0x00 /* control register A (r/w) */
713#define PL_CNTRL_B 0x01 /* control register B (r/w) */
714#define PL_INTR_MASK 0x02 /* interrupt mask (r/w) */
715#define PL_XMIT_VECTOR 0x03 /* transmit vector register (r/w) */
716#define PL_VECTOR_LEN 0x04 /* transmit vector length (r/w) */
717#define PL_LE_THRESHOLD 0x05 /* link error event threshold (r/w) */
718#define PL_C_MIN 0x06 /* minimum connect state time (r/w) */
719#define PL_TL_MIN 0x07 /* min. line state transmit t. (r/w) */
720#define PL_TB_MIN 0x08 /* minimum break time (r/w) */
721#define PL_T_OUT 0x09 /* signal timeout (r/w) */
722#define PL_CNTRL_C 0x0a /* control register C (r/w) */
723#define PL_LC_LENGTH 0x0b /* link confidence test time (r/w) */
724#define PL_T_SCRUB 0x0c /* scrub time = MAC TVX (r/w) */
725#define PL_NS_MAX 0x0d /* max. noise time before break (r/w)*/
726#define PL_TPC_LOAD_V 0x0e /* TPC timer load value (write only) */
727#define PL_TNE_LOAD_V 0x0f /* TNE timer load value (write only) */
728#define PL_STATUS_A 0x10 /* status register A (read only) */
729#define PL_STATUS_B 0x11 /* status register B (read only) */
730#define PL_TPC 0x12 /* timer for PCM (ro) [20.48 us] */
731#define PL_TNE 0x13 /* time of noise event [0.32 us] */
732#define PL_CLK_DIV 0x14 /* TNE clock divider (read only) */
733#define PL_BIST_SIGNAT 0x15 /* built in self test signature (ro)*/
734#define PL_RCV_VECTOR 0x16 /* receive vector reg. (read only) */
735#define PL_INTR_EVENT 0x17 /* interrupt event reg. (read only) */
736#define PL_VIOL_SYM_CTR 0x18 /* violation symbol count. (read o) */
737#define PL_MIN_IDLE_CTR 0x19 /* minimum idle counter (read only) */
738#define PL_LINK_ERR_CTR 0x1a /* link error event ctr.(read only) */
739#ifdef MOT_ELM
740#define PL_T_FOT_ASS 0x1e /* FOTOFF Assert Timer */
741#define PL_T_FOT_DEASS 0x1f /* FOTOFF Deassert Timer */
742#endif /* MOT_ELM */
743
744#ifdef MOT_ELM
745/*
746 * Special Quad-Elm Registers.
747 * A Quad-ELM consists of for ELMs and these additional registers.
748 */
749#define QELM_XBAR_W 0x80 /* Crossbar Control ELM W */
750#define QELM_XBAR_X 0x81 /* Crossbar Control ELM X */
751#define QELM_XBAR_Y 0x82 /* Crossbar Control ELM Y */
752#define QELM_XBAR_Z 0x83 /* Crossbar Control ELM Z */
753#define QELM_XBAR_P 0x84 /* Crossbar Control Bus P */
754#define QELM_XBAR_S 0x85 /* Crossbar Control Bus S */
755#define QELM_XBAR_R 0x86 /* Crossbar Control Bus R */
756#define QELM_WR_XBAR 0x87 /* Write the Crossbar now (write) */
757#define QELM_CTR_W 0x88 /* Counter W */
758#define QELM_CTR_X 0x89 /* Counter X */
759#define QELM_CTR_Y 0x8a /* Counter Y */
760#define QELM_CTR_Z 0x8b /* Counter Z */
761#define QELM_INT_MASK 0x8c /* Interrupt mask register */
762#define QELM_INT_DATA 0x8d /* Interrupt data (event) register */
763#define QELM_ELMB 0x00 /* Elm base */
764#define QELM_ELM_SIZE 0x20 /* ELM size */
765#endif /* MOT_ELM */
766/*
767 * PLC control register A (PL_CNTRL_A: log. addr. 0x00)
768 * It is used for timer configuration, specification of PCM MAINT state option,
769 * counter interrupt frequency, PLC data path config. and Built In Self Test.
770 */
771#define PL_RUN_BIST 0x0001 /* begin running its Built In Self T.*/
772#define PL_RF_DISABLE 0x0002 /* disable the Repeat Filter state m.*/
773#define PL_SC_REM_LOOP 0x0004 /* remote loopback path */
774#define PL_SC_BYPASS 0x0008 /* by providing a physical bypass */
775#define PL_LM_LOC_LOOP 0x0010 /* loop path just after elastic buff.*/
776#define PL_EB_LOC_LOOP 0x0020 /* loop path just prior to PDT/PDR IF*/
777#define PL_FOT_OFF 0x0040 /* assertion of /FOTOFF pin of PLC */
778#define PL_LOOPBACK 0x0080 /* it cause the /LPBCK pin ass. low */
779#define PL_MINI_CTR_INT 0x0100 /* partially contr. when bit is ass. */
780#define PL_VSYM_CTR_INT 0x0200 /* controls when int bit is asserted */
781#define PL_ENA_PAR_CHK 0x0400 /* enable parity check */
782#define PL_REQ_SCRUB 0x0800 /* limited access to scrub capability*/
783#define PL_TPC_16BIT 0x1000 /* causes the TPC as a 16 bit timer */
784#define PL_TNE_16BIT 0x2000 /* causes the TNE as a 16 bit timer */
785#define PL_NOISE_TIMER 0x4000 /* allows the noise timing function */
786
787/*
788 * PLC control register B (PL_CNTRL_B: log. addr. 0x01)
789 * It contains signals and requeste to direct the process of PCM and it is also
790 * used to control the Line State Match interrupt.
791 */
792#define PL_PCM_CNTRL 0x0003 /* control PCM state machine */
793#define PL_PCM_NAF (0) /* state is not affected */
794#define PL_PCM_START (1) /* goes to the BREAK state */
795#define PL_PCM_TRACE (2) /* goes to the TRACE state */
796#define PL_PCM_STOP (3) /* goes to the OFF state */
797
798#define PL_MAINT 0x0004 /* if OFF state --> MAINT state */
799#define PL_LONG 0x0008 /* perf. a long Link Confid.Test(LCT)*/
800#define PL_PC_JOIN 0x0010 /* if NEXT state --> JOIN state */
801
802#define PL_PC_LOOP 0x0060 /* loopback used in the LCT */
803#define PL_NOLCT (0<<5) /* no LCT is performed */
804#define PL_TPDR (1<<5) /* PCM asserts transmit PDR */
805#define PL_TIDLE (2<<5) /* PCM asserts transmit idle */
806#define PL_RLBP (3<<5) /* trans. PDR & remote loopb. path */
807
808#define PL_CLASS_S 0x0080 /* signif. that single att. station */
809
810#define PL_MAINT_LS 0x0700 /* line state while in the MAINT st. */
811#define PL_M_QUI0 (0<<8) /* transmit QUIET line state */
812#define PL_M_IDLE (1<<8) /* transmit IDLE line state */
813#define PL_M_HALT (2<<8) /* transmit HALT line state */
814#define PL_M_MASTR (3<<8) /* transmit MASTER line state */
815#define PL_M_QUI1 (4<<8) /* transmit QUIET line state */
816#define PL_M_QUI2 (5<<8) /* transmit QUIET line state */
817#define PL_M_TPDR (6<<8) /* tr. PHY_DATA requ.-symbol is tr.ed*/
818#define PL_M_QUI3 (7<<8) /* transmit QUIET line state */
819
820#define PL_MATCH_LS 0x7800 /* line state to be comp. with curr.*/
821#define PL_I_ANY (0<<11) /* Int. on any change in *_LINE_ST */
822#define PL_I_IDLE (1<<11) /* Interrupt on IDLE line state */
823#define PL_I_HALT (2<<11) /* Interrupt on HALT line state */
824#define PL_I_MASTR (4<<11) /* Interrupt on MASTER line state */
825#define PL_I_QUIET (8<<11) /* Interrupt on QUIET line state */
826
827#define PL_CONFIG_CNTRL 0x8000 /* control over scrub, byp. & loopb.*/
828
829/*
830 * PLC control register C (PL_CNTRL_C: log. addr. 0x0a)
831 * It contains the scrambling control registers (PLC-S only)
832 */
833#define PL_C_CIPHER_ENABLE (1<<0) /* enable scrambler */
834#define PL_C_CIPHER_LPBCK (1<<1) /* loopback scrambler */
835#define PL_C_SDOFF_ENABLE (1<<6) /* enable SDOFF timer */
836#define PL_C_SDON_ENABLE (1<<7) /* enable SDON timer */
837#ifdef MOT_ELM
838#define PL_C_FOTOFF_CTRL (3<<2) /* FOTOFF timer control */
839#define PL_C_FOTOFF_TIM (0<<2) /* FOTOFF use timer for (de)-assert */
840#define PL_C_FOTOFF_INA (2<<2) /* FOTOFF forced inactive */
841#define PL_C_FOTOFF_ACT (3<<2) /* FOTOFF forced active */
842#define PL_C_FOTOFF_SRCE (1<<4) /* FOTOFF source is PCM state != OFF */
843#define PL_C_RXDATA_EN (1<<5) /* Rec scr data forced to 0 */
844#define PL_C_SDNRZEN (1<<8) /* Monitor rec descr. data for act */
845#else /* nMOT_ELM */
846#define PL_C_FOTOFF_CTRL (3<<8) /* FOTOFF timer control */
847#define PL_C_FOTOFF_0 (0<<8) /* timer off */
848#define PL_C_FOTOFF_30 (1<<8) /* 30uS */
849#define PL_C_FOTOFF_50 (2<<8) /* 50uS */
850#define PL_C_FOTOFF_NEVER (3<<8) /* never */
851#define PL_C_SDON_TIMER (3<<10) /* SDON timer control */
852#define PL_C_SDON_084 (0<<10) /* 0.84 uS */
853#define PL_C_SDON_132 (1<<10) /* 1.32 uS */
854#define PL_C_SDON_252 (2<<10) /* 2.52 uS */
855#define PL_C_SDON_512 (3<<10) /* 5.12 uS */
856#define PL_C_SOFF_TIMER (3<<12) /* SDOFF timer control */
857#define PL_C_SOFF_076 (0<<12) /* 0.76 uS */
858#define PL_C_SOFF_132 (1<<12) /* 1.32 uS */
859#define PL_C_SOFF_252 (2<<12) /* 2.52 uS */
860#define PL_C_SOFF_512 (3<<12) /* 5.12 uS */
861#define PL_C_TSEL (3<<14) /* scrambler path select */
862#endif /* nMOT_ELM */
863
864/*
865 * PLC status register A (PL_STATUS_A: log. addr. 0x10)
866 * It is used to report status information to the Node Processor about the
867 * Line State Machine (LSM).
868 */
869#ifdef MOT_ELM
870#define PLC_INT_MASK 0xc000 /* ELM integration bits in status A */
871#define PLC_INT_C 0x0000 /* ELM Revision Band C */
872#define PLC_INT_CAMEL 0x4000 /* ELM integrated into CAMEL */
873#define PLC_INT_QE 0x8000 /* ELM integrated into Quad ELM */
874#define PLC_REV_MASK 0x3800 /* revision bits in status A */
875#define PLC_REVISION_B 0x0000 /* rev bits for ELM Rev B */
876#define PLC_REVISION_QA 0x0800 /* rev bits for ELM core in QELM-A */
877#else /* nMOT_ELM */
878#define PLC_REV_MASK 0xf800 /* revision bits in status A */
879#define PLC_REVISION_A 0x0000 /* revision bits for PLC */
880#define PLC_REVISION_S 0xf800 /* revision bits for PLC-S */
881#define PLC_REV_SN3 0x7800 /* revision bits for PLC-S in IFCP */
882#endif /* nMOT_ELM */
883#define PL_SYM_PR_CTR 0x0007 /* contains the LSM symbol pair Ctr. */
884#define PL_UNKN_LINE_ST 0x0008 /* unknown line state bit from LSM */
885#define PL_LSM_STATE 0x0010 /* state bit of LSM */
886
887#define PL_LINE_ST 0x00e0 /* contains recogn. line state of LSM*/
888#define PL_L_NLS (0<<5) /* noise line state */
889#define PL_L_ALS (1<<5) /* activ line state */
890#define PL_L_UND (2<<5) /* undefined */
891#define PL_L_ILS4 (3<<5) /* idle l. s. (after 4 idle symbols) */
892#define PL_L_QLS (4<<5) /* quiet line state */
893#define PL_L_MLS (5<<5) /* master line state */
894#define PL_L_HLS (6<<5) /* halt line state */
895#define PL_L_ILS16 (7<<5) /* idle line state (after 16 idle s.)*/
896
897#define PL_PREV_LINE_ST 0x0300 /* value of previous line state */
898#define PL_P_QLS (0<<8) /* quiet line state */
899#define PL_P_MLS (1<<8) /* master line state */
900#define PL_P_HLS (2<<8) /* halt line state */
901#define PL_P_ILS16 (3<<8) /* idle line state (after 16 idle s.)*/
902
903#define PL_SIGNAL_DET 0x0400 /* 1=that signal detect is deasserted*/
904
905
906/*
907 * PLC status register B (PL_STATUS_B: log. addr. 0x11)
908 * It contains signals and status from the repeat filter and PCM state machine.
909 */
910#define PL_BREAK_REASON 0x0007 /* reason for PCM state mach.s to br.*/
911#define PL_B_NOT (0) /* PCM SM has not gone to BREAK state*/
912#define PL_B_PCS (1) /* PC_Start issued */
913#define PL_B_TPC (2) /* TPC timer expired after T_OUT */
914#define PL_B_TNE (3) /* TNE timer expired after NS_MAX */
915#define PL_B_QLS (4) /* quit line state detected */
916#define PL_B_ILS (5) /* idle line state detected */
917#define PL_B_HLS (6) /* halt line state detected */
918
919#define PL_TCF 0x0008 /* transmit code flag (start exec.) */
920#define PL_RCF 0x0010 /* receive code flag (start exec.) */
921#define PL_LSF 0x0020 /* line state flag (l.s. has been r.)*/
922#define PL_PCM_SIGNAL 0x0040 /* indic. that XMIT_VECTOR hb.written*/
923
924#define PL_PCM_STATE 0x0780 /* state bits of PCM state machine */
925#define PL_PC0 (0<<7) /* OFF - when /RST or PCM_CNTRL */
926#define PL_PC1 (1<<7) /* BREAK - entry point in start PCM*/
927#define PL_PC2 (2<<7) /* TRACE - to localize stuck Beacon*/
928#define PL_PC3 (3<<7) /* CONNECT - synchronize ends of conn*/
929#define PL_PC4 (4<<7) /* NEXT - to separate the signalng*/
930#define PL_PC5 (5<<7) /* SIGNAL - PCM trans/rec. bit infos*/
931#define PL_PC6 (6<<7) /* JOIN - 1. state to activ conn. */
932#define PL_PC7 (7<<7) /* VERIFY - 2. - " - (3. ACTIVE) */
933#define PL_PC8 (8<<7) /* ACTIVE - PHY has been incorporated*/
934#define PL_PC9 (9<<7) /* MAINT - for test purposes or so
935 that PCM op. completely in softw. */
936
937#define PL_PCI_SCRUB 0x0800 /* scrubbing function is being exec. */
938
939#define PL_PCI_STATE 0x3000 /* Physical Connect. Insertion SM */
940#define PL_CI_REMV (0<<12) /* REMOVED */
941#define PL_CI_ISCR (1<<12) /* INSERT_SCRUB */
942#define PL_CI_RSCR (2<<12) /* REMOVE_SCRUB */
943#define PL_CI_INS (3<<12) /* INSERTED */
944
945#define PL_RF_STATE 0xc000 /* state bit of repeate filter SM */
946#define PL_RF_REPT (0<<14) /* REPEAT */
947#define PL_RF_IDLE (1<<14) /* IDLE */
948#define PL_RF_HALT1 (2<<14) /* HALT1 */
949#define PL_RF_HALT2 (3<<14) /* HALT2 */
950
951
952/*
953 * PLC interrupt event register (PL_INTR_EVENT: log. addr. 0x17)
954 * It is read only and is clearde whenever it is read!
955 * It is used by the PLC to report events to the node processor.
956 */
957#define PL_PARITY_ERR 0x0001 /* p. error h.b.detected on TX9-0 inp*/
958#define PL_LS_MATCH 0x0002 /* l.s.== l.s. PLC_CNTRL_B's MATCH_LS*/
959#define PL_PCM_CODE 0x0004 /* transmit&receive | LCT complete */
960#define PL_TRACE_PROP 0x0008 /* master l.s. while PCM ACTIV|TRACE */
961#define PL_SELF_TEST 0x0010 /* QUIET|HALT while PCM in TRACE st. */
962#define PL_PCM_BREAK 0x0020 /* PCM has entered the BREAK state */
963#define PL_PCM_ENABLED 0x0040 /* asserted SC_JOIN, scrub. & ACTIV */
964#define PL_TPC_EXPIRED 0x0080 /* TPC timer reached zero */
965#define PL_TNE_EXPIRED 0x0100 /* TNE timer reached zero */
966#define PL_EBUF_ERR 0x0200 /* elastic buff. det. over-|underflow*/
967#define PL_PHYINV 0x0400 /* physical layer invalid signal */
968#define PL_VSYM_CTR 0x0800 /* violation symbol counter has incr.*/
969#define PL_MINI_CTR 0x1000 /* dep. on PLC_CNTRL_A's MINI_CTR_INT*/
970#define PL_LE_CTR 0x2000 /* link error event counter */
971#define PL_LSDO 0x4000 /* SDO input pin changed to a 1 */
972#define PL_NP_ERR 0x8000 /* NP has requested to r/w an inv. r.*/
973
974/*
975 * The PLC interrupt mask register (PL_INTR_MASK: log. addr. 0x02) constr. is
976 * equal PL_INTR_EVENT register.
977 * For each set bit, the setting of corresponding bit generate an int to NP.
978 */
979
980#ifdef MOT_ELM
981/*
982 * Quad ELM Crosbar Control register values (QELM_XBAR_?)
983 */
984#define QELM_XOUT_IDLE 0x0000 /* Idles/Passthrough */
985#define QELM_XOUT_P 0x0001 /* Output to: Bus P */
986#define QELM_XOUT_S 0x0002 /* Output to: Bus S */
987#define QELM_XOUT_R 0x0003 /* Output to: Bus R */
988#define QELM_XOUT_W 0x0004 /* Output to: ELM W */
989#define QELM_XOUT_X 0x0005 /* Output to: ELM X */
990#define QELM_XOUT_Y 0x0006 /* Output to: ELM Y */
991#define QELM_XOUT_Z 0x0007 /* Output to: ELM Z */
992
993/*
994 * Quad ELM Interrupt data and event registers.
995 */
996#define QELM_NP_ERR (1<<15) /* Node Processor Error */
997#define QELM_COUNT_Z (1<<7) /* Counter Z Interrupt */
998#define QELM_COUNT_Y (1<<6) /* Counter Y Interrupt */
999#define QELM_COUNT_X (1<<5) /* Counter X Interrupt */
1000#define QELM_COUNT_W (1<<4) /* Counter W Interrupt */
1001#define QELM_ELM_Z (1<<3) /* ELM Z Interrupt */
1002#define QELM_ELM_Y (1<<2) /* ELM Y Interrupt */
1003#define QELM_ELM_X (1<<1) /* ELM X Interrupt */
1004#define QELM_ELM_W (1<<0) /* ELM W Interrupt */
1005#endif /* MOT_ELM */
1006/*
1007 * PLC Timing Parameters
1008 */
1009#define TP_C_MIN 0xff9c /* 2 ms */
1010#define TP_TL_MIN 0xfff0 /* 0.3 ms */
1011#define TP_TB_MIN 0xff10 /* 5 ms */
1012#define TP_T_OUT 0xd9db /* 200 ms */
1013#define TP_LC_LENGTH 0xf676 /* 50 ms */
1014#define TP_LC_LONGLN 0xa0a2 /* 500 ms */
1015#define TP_T_SCRUB 0xff6d /* 3.5 ms */
1016#define TP_NS_MAX 0xf021 /* 1.3 ms */
1017
1018/*
1019 * BIST values
1020 */
1021#define PLC_BIST 0x6ecd /* BIST signature for PLC */
1022#define PLCS_BIST 0x5b6b /* BIST signature for PLC-S */
1023#define PLC_ELM_B_BIST 0x6ecd /* BIST signature of ELM Rev. B */
1024#define PLC_ELM_D_BIST 0x5b6b /* BIST signature of ELM Rev. D */
1025#define PLC_CAM_A_BIST 0x9e75 /* BIST signature of CAMEL Rev. A */
1026#define PLC_CAM_B_BIST 0x5b6b /* BIST signature of CAMEL Rev. B */
1027#define PLC_IFD_A_BIST 0x9e75 /* BIST signature of IFDDI Rev. A */
1028#define PLC_IFD_B_BIST 0x5b6b /* BIST signature of IFDDI Rev. B */
1029#define PLC_QELM_A_BIST 0x5b6b /* BIST signature of QELM Rev. A */
1030
1031/*
1032 FDDI board recources
1033 */
1034
1035/*
1036 * request register array (log. addr: RQA_A + a<<1 {a=0..7}) write only.
1037 * It specifies to FORMAC+ the type of buffer memory access the host requires.
1038 */
1039#define RQ_NOT 0 /* not request */
1040#define RQ_RES 1 /* reserved */
1041#define RQ_SFW 2 /* special frame write */
1042#define RQ_RRQ 3 /* read request: receive queue */
1043#define RQ_WSQ 4 /* write request: synchronous queue */
1044#define RQ_WA0 5 /* write requ.: asynchronous queue 0 */
1045#define RQ_WA1 6 /* write requ.: asynchronous queue 1 */
1046#define RQ_WA2 7 /* write requ.: asynchronous queue 2 */
1047
1048#define SZ_LONG (sizeof(long))
1049
1050/*
1051 * FDDI defaults
1052 * NOTE : In the ANSI docs, times are specified in units of "symbol time".
1053 * AMD chips use BCLK as unit. 1 BCKL == 2 symbols
1054 */
1055#define COMPLREF ((u_long)32*256*256) /* two's complement 21 bit */
1056#define MSTOBCLK(x) ((u_long)(x)*12500L)
1057#define MSTOTVX(x) (((u_long)(x)*1000L)/80/255)
1058
1059#endif /* _SUPERNET_ */
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