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[/] [or1k/] [trunk/] [rtems-20020807/] [c/] [src/] [libchip/] [network/] [if_fxpreg.h] - Blame information for rev 1765

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1 1026 ivang
/*
2
 * Copyright (c) 1995, David Greenman
3
 * Copyright (c) 2001 Jonathan Lemon <jlemon@freebsd.org>
4
 * All rights reserved.
5
 *
6
 * Redistribution and use in source and binary forms, with or without
7
 * modification, are permitted provided that the following conditions
8
 * are met:
9
 * 1. Redistributions of source code must retain the above copyright
10
 *    notice unmodified, this list of conditions, and the following
11
 *    disclaimer.
12
 * 2. Redistributions in binary form must reproduce the above copyright
13
 *    notice, this list of conditions and the following disclaimer in the
14
 *    documentation and/or other materials provided with the distribution.
15
 *
16
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26
 * SUCH DAMAGE.
27
 *
28
 * $FreeBSD: src/sys/dev/fxp/if_fxpreg.h,v 1.23.2.4 2001/08/31 02:17:02 jlemon Exp $
29
 */
30
 
31
#define FXP_VENDORID_INTEL      0x8086
32
 
33
#define FXP_PCI_MMBA    0x10
34
#define FXP_PCI_IOBA    0x14
35
 
36
/*
37
 * Control/status registers.
38
 */
39
#define FXP_CSR_SCB_RUSCUS      0        /* scb_rus/scb_cus (1 byte) */
40
#define FXP_CSR_SCB_STATACK     1       /* scb_statack (1 byte) */
41
#define FXP_CSR_SCB_COMMAND     2       /* scb_command (1 byte) */
42
#define FXP_CSR_SCB_INTRCNTL    3       /* scb_intrcntl (1 byte) */
43
#define FXP_CSR_SCB_GENERAL     4       /* scb_general (4 bytes) */
44
#define FXP_CSR_PORT            8       /* port (4 bytes) */
45
#define FXP_CSR_FLASHCONTROL    12      /* flash control (2 bytes) */
46
#define FXP_CSR_EEPROMCONTROL   14      /* eeprom control (2 bytes) */
47
#define FXP_CSR_MDICONTROL      16      /* mdi control (4 bytes) */
48
#define FXP_CSR_FLOWCONTROL     0x19    /* flow control (2 bytes) */
49
#define FXP_CSR_GENCONTROL      0x1C    /* general control (1 byte) */
50
 
51
/*
52
 * FOR REFERENCE ONLY, the old definition of FXP_CSR_SCB_RUSCUS:
53
 *
54
 *      volatile u_int8_t       :2,
55
 *                              scb_rus:4,
56
 *                              scb_cus:2;
57
 */
58
 
59
#define FXP_PORT_SOFTWARE_RESET         0
60
#define FXP_PORT_SELFTEST               1
61
#define FXP_PORT_SELECTIVE_RESET        2
62
#define FXP_PORT_DUMP                   3
63
 
64
#define FXP_SCB_RUS_IDLE                0
65
#define FXP_SCB_RUS_SUSPENDED           1
66
#define FXP_SCB_RUS_NORESOURCES         2
67
#define FXP_SCB_RUS_READY               4
68
#define FXP_SCB_RUS_SUSP_NORBDS         9
69
#define FXP_SCB_RUS_NORES_NORBDS        10
70
#define FXP_SCB_RUS_READY_NORBDS        12
71
 
72
#define FXP_SCB_CUS_IDLE                0
73
#define FXP_SCB_CUS_SUSPENDED           1
74
#define FXP_SCB_CUS_ACTIVE              2
75
 
76
#define FXP_SCB_INTR_DISABLE            0x01    /* Disable all interrupts */
77
#define FXP_SCB_INTR_SWI                0x02    /* Generate SWI */
78
#define FXP_SCB_INTMASK_FCP             0x04
79
#define FXP_SCB_INTMASK_ER              0x08
80
#define FXP_SCB_INTMASK_RNR             0x10
81
#define FXP_SCB_INTMASK_CNA             0x20
82
#define FXP_SCB_INTMASK_FR              0x40
83
#define FXP_SCB_INTMASK_CXTNO           0x80
84
 
85
#define FXP_SCB_STATACK_FCP             0x01    /* Flow Control Pause */
86
#define FXP_SCB_STATACK_ER              0x02    /* Early Receive */
87
#define FXP_SCB_STATACK_SWI             0x04
88
#define FXP_SCB_STATACK_MDI             0x08
89
#define FXP_SCB_STATACK_RNR             0x10
90
#define FXP_SCB_STATACK_CNA             0x20
91
#define FXP_SCB_STATACK_FR              0x40
92
#define FXP_SCB_STATACK_CXTNO           0x80
93
 
94
#define FXP_SCB_COMMAND_CU_NOP          0x00
95
#define FXP_SCB_COMMAND_CU_START        0x10
96
#define FXP_SCB_COMMAND_CU_RESUME       0x20
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#define FXP_SCB_COMMAND_CU_DUMP_ADR     0x40
98
#define FXP_SCB_COMMAND_CU_DUMP         0x50
99
#define FXP_SCB_COMMAND_CU_BASE         0x60
100
#define FXP_SCB_COMMAND_CU_DUMPRESET    0x70
101
 
102
#define FXP_SCB_COMMAND_RU_NOP          0
103
#define FXP_SCB_COMMAND_RU_START        1
104
#define FXP_SCB_COMMAND_RU_RESUME       2
105
#define FXP_SCB_COMMAND_RU_ABORT        4
106
#define FXP_SCB_COMMAND_RU_LOADHDS      5
107
#define FXP_SCB_COMMAND_RU_BASE         6
108
#define FXP_SCB_COMMAND_RU_RBDRESUME    7
109
 
110
/*
111
 * Command block definitions
112
 */
113
struct fxp_cb_nop {
114
        void *fill[2];
115
        volatile u_int16_t cb_status;
116
        volatile u_int16_t cb_command;
117
        volatile u_int32_t link_addr;
118
};
119
struct fxp_cb_ias {
120
        void *fill[2];
121
        volatile u_int16_t cb_status;
122
        volatile u_int16_t cb_command;
123
        volatile u_int32_t link_addr;
124
        volatile u_int8_t macaddr[6];
125
};
126
/* I hate bit-fields :-( */
127
struct fxp_cb_config {
128
        void *fill[2];
129
        volatile u_int16_t      cb_status;
130
        volatile u_int16_t      cb_command;
131
        volatile u_int32_t      link_addr;
132
        volatile u_int          byte_count:6,
133
                                :2;
134
        volatile u_int          rx_fifo_limit:4,
135
                                tx_fifo_limit:3,
136
                                :1;
137
        volatile u_int8_t       adaptive_ifs;
138
        volatile u_int          mwi_enable:1,                   /* 8,9 */
139
                                type_enable:1,                  /* 8,9 */
140
                                read_align_en:1,                /* 8,9 */
141
                                end_wr_on_cl:1,                 /* 8,9 */
142
                                :4;
143
        volatile u_int          rx_dma_bytecount:7,
144
                                :1;
145
        volatile u_int          tx_dma_bytecount:7,
146
                                dma_mbce:1;
147
        volatile u_int          late_scb:1,                     /* 7 */
148
                                direct_dma_dis:1,               /* 8,9 */
149
                                tno_int_or_tco_en:1,            /* 7,9 */
150
                                ci_int:1,
151
                                ext_txcb_dis:1,                 /* 8,9 */
152
                                ext_stats_dis:1,                /* 8,9 */
153
                                keep_overrun_rx:1,
154
                                save_bf:1;
155
        volatile u_int          disc_short_rx:1,
156
                                underrun_retry:2,
157
                                :3,
158
                                two_frames:1,                   /* 8,9 */
159
                                dyn_tbd:1;                      /* 8,9 */
160
        volatile u_int          mediatype:1,                    /* 7 */
161
                                :6,
162
                                csma_dis:1;                     /* 8,9 */
163
        volatile u_int          tcp_udp_cksum:1,                /* 9 */
164
                                :3,
165
                                vlan_tco:1,                     /* 8,9 */
166
                                link_wake_en:1,                 /* 8,9 */
167
                                arp_wake_en:1,                  /* 8 */
168
                                mc_wake_en:1;                   /* 8 */
169
        volatile u_int          :3,
170
                                nsai:1,
171
                                preamble_length:2,
172
                                loopback:2;
173
        volatile u_int          linear_priority:3,              /* 7 */
174
                                :5;
175
        volatile u_int          linear_pri_mode:1,              /* 7 */
176
                                :3,
177
                                interfrm_spacing:4;
178
        volatile u_int          :8;
179
        volatile u_int          :8;
180
        volatile u_int          promiscuous:1,
181
                                bcast_disable:1,
182
                                wait_after_win:1,               /* 8,9 */
183
                                :1,
184
                                ignore_ul:1,                    /* 8,9 */
185
                                crc16_en:1,                     /* 9 */
186
                                :1,
187
                                crscdt:1;
188
        volatile u_int          fc_delay_lsb:8;                 /* 8,9 */
189
        volatile u_int          fc_delay_msb:8;                 /* 8,9 */
190
        volatile u_int          stripping:1,
191
                                padding:1,
192
                                rcv_crc_xfer:1,
193
                                long_rx_en:1,                   /* 8,9 */
194
                                pri_fc_thresh:3,                /* 8,9 */
195
                                :1;
196
        volatile u_int          ia_wake_en:1,                   /* 8 */
197
                                magic_pkt_dis:1,                /* 8,9,!9ER */
198
                                tx_fc_dis:1,                    /* 8,9 */
199
                                rx_fc_restop:1,                 /* 8,9 */
200
                                rx_fc_restart:1,                /* 8,9 */
201
                                fc_filter:1,                    /* 8,9 */
202
                                force_fdx:1,
203
                                fdx_pin_en:1;
204
        volatile u_int          :5,
205
                                pri_fc_loc:1,                   /* 8,9 */
206
                                multi_ia:1,
207
                                :1;
208
        volatile u_int          :3,
209
                                mc_all:1,
210
                                :4;
211
};
212
 
213
#define MAXMCADDR 80
214
struct fxp_cb_mcs {
215
        struct fxp_cb_tx *next;
216
        struct mbuf *mb_head;
217
        volatile u_int16_t cb_status;
218
        volatile u_int16_t cb_command;
219
        volatile u_int32_t link_addr;
220
        volatile u_int16_t mc_cnt;
221
        volatile u_int8_t mc_addr[MAXMCADDR][6];
222
};
223
 
224
/*
225
 * Number of DMA segments in a TxCB. Note that this is carefully
226
 * chosen to make the total struct size an even power of two. It's
227
 * critical that no TxCB be split across a page boundry since
228
 * no attempt is made to allocate physically contiguous memory.
229
 *
230
 */
231
#ifdef __alpha__ /* XXX - should be conditional on pointer size */
232
#define FXP_NTXSEG      28
233
#else
234
#define FXP_NTXSEG      29
235
#endif
236
 
237
struct fxp_tbd {
238
        volatile u_int32_t tb_addr;
239
        volatile u_int32_t tb_size;
240
};
241
struct fxp_cb_tx {
242
        struct fxp_cb_tx *next;
243
        struct mbuf *mb_head;
244
        volatile u_int16_t cb_status;
245
        volatile u_int16_t cb_command;
246
        volatile u_int32_t link_addr;
247
        volatile u_int32_t tbd_array_addr;
248
        volatile u_int16_t byte_count;
249
        volatile u_int8_t tx_threshold;
250
        volatile u_int8_t tbd_number;
251
        /*
252
         * The following structure isn't actually part of the TxCB,
253
         * unless the extended TxCB feature is being used.  In this
254
         * case, the first two elements of the structure below are
255
         * fetched along with the TxCB.
256
         */
257
        volatile struct fxp_tbd tbd[FXP_NTXSEG];
258
};
259
 
260
/*
261
 * Control Block (CB) definitions
262
 */
263
 
264
/* status */
265
#define FXP_CB_STATUS_OK        0x2000
266
#define FXP_CB_STATUS_C         0x8000
267
/* commands */
268
#define FXP_CB_COMMAND_NOP      0x0
269
#define FXP_CB_COMMAND_IAS      0x1
270
#define FXP_CB_COMMAND_CONFIG   0x2
271
#define FXP_CB_COMMAND_MCAS     0x3
272
#define FXP_CB_COMMAND_XMIT     0x4
273
#define FXP_CB_COMMAND_RESRV    0x5
274
#define FXP_CB_COMMAND_DUMP     0x6
275
#define FXP_CB_COMMAND_DIAG     0x7
276
/* command flags */
277
#define FXP_CB_COMMAND_SF       0x0008  /* simple/flexible mode */
278
#define FXP_CB_COMMAND_I        0x2000  /* generate interrupt on completion */
279
#define FXP_CB_COMMAND_S        0x4000  /* suspend on completion */
280
#define FXP_CB_COMMAND_EL       0x8000  /* end of list */
281
 
282
/*
283
 * RFA definitions
284
 */
285
 
286
struct fxp_rfa {
287
        volatile u_int16_t rfa_status;
288
        volatile u_int16_t rfa_control;
289
        volatile u_int8_t link_addr[4];
290
        volatile u_int8_t rbd_addr[4];
291
        volatile u_int16_t actual_size;
292
        volatile u_int16_t size;
293
};
294
#define FXP_RFA_STATUS_RCOL     0x0001  /* receive collision */
295
#define FXP_RFA_STATUS_IAMATCH  0x0002  /* 0 = matches station address */
296
#define FXP_RFA_STATUS_S4       0x0010  /* receive error from PHY */
297
#define FXP_RFA_STATUS_TL       0x0020  /* type/length */
298
#define FXP_RFA_STATUS_FTS      0x0080  /* frame too short */
299
#define FXP_RFA_STATUS_OVERRUN  0x0100  /* DMA overrun */
300
#define FXP_RFA_STATUS_RNR      0x0200  /* no resources */
301
#define FXP_RFA_STATUS_ALIGN    0x0400  /* alignment error */
302
#define FXP_RFA_STATUS_CRC      0x0800  /* CRC error */
303
#define FXP_RFA_STATUS_OK       0x2000  /* packet received okay */
304
#define FXP_RFA_STATUS_C        0x8000  /* packet reception complete */
305
#define FXP_RFA_CONTROL_SF      0x08    /* simple/flexible memory mode */
306
#define FXP_RFA_CONTROL_H       0x10    /* header RFD */
307
#define FXP_RFA_CONTROL_S       0x4000  /* suspend after reception */
308
#define FXP_RFA_CONTROL_EL      0x8000  /* end of list */
309
 
310
/*
311
 * Statistics dump area definitions
312
 */
313
struct fxp_stats {
314
        volatile u_int32_t tx_good;
315
        volatile u_int32_t tx_maxcols;
316
        volatile u_int32_t tx_latecols;
317
        volatile u_int32_t tx_underruns;
318
        volatile u_int32_t tx_lostcrs;
319
        volatile u_int32_t tx_deffered;
320
        volatile u_int32_t tx_single_collisions;
321
        volatile u_int32_t tx_multiple_collisions;
322
        volatile u_int32_t tx_total_collisions;
323
        volatile u_int32_t rx_good;
324
        volatile u_int32_t rx_crc_errors;
325
        volatile u_int32_t rx_alignment_errors;
326
        volatile u_int32_t rx_rnr_errors;
327
        volatile u_int32_t rx_overrun_errors;
328
        volatile u_int32_t rx_cdt_errors;
329
        volatile u_int32_t rx_shortframes;
330
        volatile u_int32_t completion_status;
331
};
332
#define FXP_STATS_DUMP_COMPLETE 0xa005
333
#define FXP_STATS_DR_COMPLETE   0xa007
334
 
335
/*
336
 * Serial EEPROM control register bits
337
 */
338
#define FXP_EEPROM_EESK         0x01            /* shift clock */
339
#define FXP_EEPROM_EECS         0x02            /* chip select */
340
#define FXP_EEPROM_EEDI         0x04            /* data in */
341
#define FXP_EEPROM_EEDO         0x08            /* data out */
342
 
343
/*
344
 * Serial EEPROM opcodes, including start bit
345
 */
346
#define FXP_EEPROM_OPC_ERASE    0x4
347
#define FXP_EEPROM_OPC_WRITE    0x5
348
#define FXP_EEPROM_OPC_READ     0x6
349
 
350
/*
351
 * Management Data Interface opcodes
352
 */
353
#define FXP_MDI_WRITE           0x1
354
#define FXP_MDI_READ            0x2
355
 
356
/*
357
 * PHY device types
358
 */
359
#define FXP_PHY_DEVICE_MASK     0x3f00
360
#define FXP_PHY_SERIAL_ONLY     0x8000
361
#define FXP_PHY_NONE            0
362
#define FXP_PHY_82553A          1
363
#define FXP_PHY_82553C          2
364
#define FXP_PHY_82503           3
365
#define FXP_PHY_DP83840         4
366
#define FXP_PHY_80C240          5
367
#define FXP_PHY_80C24           6
368
#define FXP_PHY_82555           7
369
#define FXP_PHY_DP83840A        10
370
#define FXP_PHY_82555B          11

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