1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
|
/*----------------------------------------------------------------------------+
|
| This source code has been made available to you by IBM on an AS-IS
| basis. Anyone receiving this source is licensed under IBM
| copyrights to use it in any way he or she deems fit, including
| copying it, modifying it, compiling it, and redistributing it either
| with or without modifications. No license under IBM patents or
| patent applications is to be implied by the copyright license.
|
| Any user of this software should understand that IBM cannot provide
| technical support for this software and will not be responsible for
| any consequences resulting from the use of this software.
|
| Any person who transfers this source code or any derivative work
| must include the IBM copyright notice, this paragraph, and the
| preceding two paragraphs in the transferred software.
|
| COPYRIGHT I B M CORPORATION 1999
| LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
+----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------+
|
| File Name: enetemac.h
|
| Function: Header file for the EMAC3 macro on the 405GP.
|
| Author: Mark Wisner
|
| Change Activity-
|
| Date Description of Change BY
| --------- --------------------- ---
| 29-Apr-99 Created MKW
|
+----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------+
| 19-Nov-03 Travis Sawyer, Sandburst Corporation, tsawyer@sandburst.com
| ported to handle 440GP and 440GX multiple EMACs
+----------------------------------------------------------------------------*/
#ifndef _PPC4XX_ENET_H_
#define _PPC4XX_ENET_H_
#include <net.h>
#include "405_mal.h"
/*-----------------------------------------------------------------------------+
| General enternet defines. 802 frames are not supported.
+-----------------------------------------------------------------------------*/
#define ENET_ADDR_LENGTH 6
#define ENET_ARPTYPE 0x806
#define ARP_REQUEST 1
#define ARP_REPLY 2
#define ENET_IPTYPE 0x800
#define ARP_CACHE_SIZE 5
#define NUM_TX_BUFF 1
#define NUM_RX_BUFF PKTBUFSRX
struct enet_frame {
unsigned char dest_addr[ENET_ADDR_LENGTH];
unsigned char source_addr[ENET_ADDR_LENGTH];
unsigned short type;
unsigned char enet_data[1];
};
struct arp_entry {
unsigned long inet_address;
unsigned char mac_address[ENET_ADDR_LENGTH];
unsigned long valid;
unsigned long sec;
unsigned long nsec;
};
/* Statistic Areas */
#define MAX_ERR_LOG 10
typedef struct emac_stats_st{ /* Statistic Block */
int data_len_err;
int rx_frames;
int rx;
int rx_prot_err;
int int_err;
int pkts_tx;
int pkts_rx;
int pkts_handled;
short tx_err_log[MAX_ERR_LOG];
short rx_err_log[MAX_ERR_LOG];
} EMAC_STATS_ST, *EMAC_STATS_PST;
/* Structure containing variables used by the shared code (4xx_enet.c) */
typedef struct emac_4xx_hw_st {
uint32_t hw_addr; /* EMAC offset */
uint32_t tah_addr; /* TAH offset */
uint32_t phy_id;
uint32_t phy_addr;
uint32_t original_fc;
uint32_t txcw;
uint32_t autoneg_failed;
uint32_t emac_ier;
volatile mal_desc_t *tx;
volatile mal_desc_t *rx;
bd_t *bis; /* for eth_init upon mal error */
mal_desc_t *alloc_tx_buf;
mal_desc_t *alloc_rx_buf;
char *txbuf_ptr;
uint16_t devnum;
int get_link_status;
int tbi_compatibility_en;
int tbi_compatibility_on;
int fc_send_xon;
int report_tx_early;
int first_init;
int tx_err_index;
int rx_err_index;
int rx_slot; /* MAL Receive Slot */
int rx_i_index; /* Receive Interrupt Queue Index */
int rx_u_index; /* Receive User Queue Index */
int tx_slot; /* MAL Transmit Slot */
int tx_i_index; /* Transmit Interrupt Queue Index */
int tx_u_index; /* Transmit User Queue Index */
int rx_ready[NUM_RX_BUFF]; /* Receive Ready Queue */
int tx_run[NUM_TX_BUFF]; /* Transmit Running Queue */
int is_receiving; /* sync with eth interrupt */
int print_speed; /* print speed message upon start */
EMAC_STATS_ST stats;
} EMAC_4XX_HW_ST, *EMAC_4XX_HW_PST;
#if defined(CONFIG_440GX)
#define EMAC_NUM_DEV 4
#elif (defined(CONFIG_440) || defined(CONFIG_405EP)) && defined(CONFIG_NET_MULTI)
#define EMAC_NUM_DEV 2
#else
#define EMAC_NUM_DEV 1
#endif
/*ZMII Bridge Register addresses */
#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
#define ZMII_BASE (CFG_PERIPHERAL_BASE + 0x0D00)
#else
#define ZMII_BASE (CFG_PERIPHERAL_BASE + 0x0780)
#endif
#define ZMII_FER (ZMII_BASE)
#define ZMII_SSR (ZMII_BASE + 4)
#define ZMII_SMIISR (ZMII_BASE + 8)
#define ZMII_RMII 0x22000000
#define ZMII_MDI0 0x80000000
/* ZMII FER Register Bit Definitions */
#define ZMII_FER_MDI (0x8)
#define ZMII_FER_SMII (0x4)
#define ZMII_FER_RMII (0x2)
#define ZMII_FER_MII (0x1)
#define ZMII_FER_RSVD11 (0x00200000)
#define ZMII_FER_RSVD10 (0x00100000)
#define ZMII_FER_RSVD14_31 (0x0003FFFF)
#define ZMII_FER_V(__x) (((3 - __x) * 4) + 16)
/* ZMII Speed Selection Register Bit Definitions */
#define ZMII_SSR_SCI (0x4)
#define ZMII_SSR_FSS (0x2)
#define ZMII_SSR_SP (0x1)
#define ZMII_SSR_RSVD16_31 (0x0000FFFF)
#define ZMII_SSR_V(__x) (((3 - __x) * 4) + 16)
/* ZMII SMII Status Register Bit Definitions */
#define ZMII_SMIISR_E1 (0x80)
#define ZMII_SMIISR_EC (0x40)
#define ZMII_SMIISR_EN (0x20)
#define ZMII_SMIISR_EJ (0x10)
#define ZMII_SMIISR_EL (0x08)
#define ZMII_SMIISR_ED (0x04)
#define ZMII_SMIISR_ES (0x02)
#define ZMII_SMIISR_EF (0x01)
#define ZMII_SMIISR_V(__x) ((3 - __x) * 8)
/* RGMII Register Addresses */
#define RGMII_BASE (CFG_PERIPHERAL_BASE + 0x0790)
#define RGMII_FER (RGMII_BASE + 0x00)
#define RGMII_SSR (RGMII_BASE + 0x04)
/* RGMII Function Enable (FER) Register Bit Definitions */
/* Note: for EMAC 2 and 3 only, 440GX only */
#define RGMII_FER_DIS (0x00)
#define RGMII_FER_RTBI (0x04)
#define RGMII_FER_RGMII (0x05)
#define RGMII_FER_TBI (0x06)
#define RGMII_FER_GMII (0x07)
#define RGMII_FER_V(__x) ((__x - 2) * 4)
/* RGMII Speed Selection Register Bit Definitions */
#define RGMII_SSR_SP_10MBPS (0x00)
#define RGMII_SSR_SP_100MBPS (0x02)
#define RGMII_SSR_SP_1000MBPS (0x04)
#define RGMII_SSR_V(__x) ((__x -2) * 8)
/*---------------------------------------------------------------------------+
| TCP/IP Acceleration Hardware (TAH) 440GX Only
+---------------------------------------------------------------------------*/
#if defined(CONFIG_440GX)
#define TAH_BASE (CFG_PERIPHERAL_BASE + 0x0B50)
#define TAH_REVID (TAH_BASE + 0x0) /* Revision ID (RO)*/
#define TAH_MR (TAH_BASE + 0x10) /* Mode Register (R/W) */
#define TAH_SSR0 (TAH_BASE + 0x14) /* Segment Size Reg 0 (R/W) */
#define TAH_SSR1 (TAH_BASE + 0x18) /* Segment Size Reg 1 (R/W) */
#define TAH_SSR2 (TAH_BASE + 0x1C) /* Segment Size Reg 2 (R/W) */
#define TAH_SSR3 (TAH_BASE + 0x20) /* Segment Size Reg 3 (R/W) */
#define TAH_SSR4 (TAH_BASE + 0x24) /* Segment Size Reg 4 (R/W) */
#define TAH_SSR5 (TAH_BASE + 0x28) /* Segment Size Reg 5 (R/W) */
#define TAH_TSR (TAH_BASE + 0x2C) /* Transmit Status Register (RO) */
/* TAH Revision */
#define TAH_REV_RN_M (0x000FFF00) /* Revision Number */
#define TAH_REV_BN_M (0x000000FF) /* Branch Revision Number */
#define TAH_REV_RN_V (8)
#define TAH_REV_BN_V (0)
/* TAH Mode Register */
#define TAH_MR_CVR (0x80000000) /* Checksum verification on RX */
#define TAH_MR_SR (0x40000000) /* Software reset */
#define TAH_MR_ST (0x3F000000) /* Send Threshold */
#define TAH_MR_TFS (0x00E00000) /* Transmit FIFO size */
#define TAH_MR_DTFP (0x00100000) /* Disable TX FIFO parity */
#define TAH_MR_DIG (0x00080000) /* Disable interrupt generation */
#define TAH_MR_RSVD (0x0007FFFF) /* Reserved */
#define TAH_MR_ST_V (20)
#define TAH_MR_TFS_V (17)
#define TAH_MR_TFS_2K (0x1) /* Transmit FIFO size 2Kbyte */
#define TAH_MR_TFS_4K (0x2) /* Transmit FIFO size 4Kbyte */
#define TAH_MR_TFS_6K (0x3) /* Transmit FIFO size 6Kbyte */
#define TAH_MR_TFS_8K (0x4) /* Transmit FIFO size 8Kbyte */
#define TAH_MR_TFS_10K (0x5) /* Transmit FIFO size 10Kbyte (max)*/
/* TAH Segment Size Registers 0:5 */
#define TAH_SSR_RSVD0 (0xC0000000) /* Reserved */
#define TAH_SSR_SS (0x3FFE0000) /* Segment size in multiples of 2 */
#define TAH_SSR_RSVD1 (0x0001FFFF) /* Reserved */
/* TAH Transmit Status Register */
#define TAH_TSR_TFTS (0x80000000) /* Transmit FIFO too small */
#define TAH_TSR_UH (0x40000000) /* Unrecognized header */
#define TAH_TSR_NIPF (0x20000000) /* Not IPv4 */
#define TAH_TSR_IPOP (0x10000000) /* IP option present */
#define TAH_TSR_NISF (0x08000000) /* No IEEE SNAP format */
#define TAH_TSR_ILTS (0x04000000) /* IP length too short */
#define TAH_TSR_IPFP (0x02000000) /* IP fragment present */
#define TAH_TSR_UP (0x01000000) /* Unsupported protocol */
#define TAH_TSR_TFP (0x00800000) /* TCP flags present */
#define TAH_TSR_SUDP (0x00400000) /* Segmentation for UDP */
#define TAH_TSR_DLM (0x00200000) /* Data length mismatch */
#define TAH_TSR_SIEEE (0x00100000) /* Segmentation for IEEE */
#define TAH_TSR_TFPE (0x00080000) /* Transmit FIFO parity error */
#define TAH_TSR_SSTS (0x00040000) /* Segment size too small */
#define TAH_TSR_RSVD (0x0003FFFF) /* Reserved */
#endif /* CONFIG_440GX */
/* Ethernet MAC Regsiter Addresses */
#if defined(CONFIG_440)
#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
#define EMAC_BASE (CFG_PERIPHERAL_BASE + 0x0E00)
#else
#define EMAC_BASE (CFG_PERIPHERAL_BASE + 0x0800)
#endif
#else
#define EMAC_BASE 0xEF600800
#endif
#define EMAC_M0 (EMAC_BASE)
#define EMAC_M1 (EMAC_BASE + 4)
#define EMAC_TXM0 (EMAC_BASE + 8)
#define EMAC_TXM1 (EMAC_BASE + 12)
#define EMAC_RXM (EMAC_BASE + 16)
#define EMAC_ISR (EMAC_BASE + 20)
#define EMAC_IER (EMAC_BASE + 24)
#define EMAC_IAH (EMAC_BASE + 28)
#define EMAC_IAL (EMAC_BASE + 32)
#define EMAC_VLAN_TPID_REG (EMAC_BASE + 36)
#define EMAC_VLAN_TCI_REG (EMAC_BASE + 40)
#define EMAC_PAUSE_TIME_REG (EMAC_BASE + 44)
#define EMAC_IND_HASH_1 (EMAC_BASE + 48)
#define EMAC_IND_HASH_2 (EMAC_BASE + 52)
#define EMAC_IND_HASH_3 (EMAC_BASE + 56)
#define EMAC_IND_HASH_4 (EMAC_BASE + 60)
#define EMAC_GRP_HASH_1 (EMAC_BASE + 64)
#define EMAC_GRP_HASH_2 (EMAC_BASE + 68)
#define EMAC_GRP_HASH_3 (EMAC_BASE + 72)
#define EMAC_GRP_HASH_4 (EMAC_BASE + 76)
#define EMAC_LST_SRC_LOW (EMAC_BASE + 80)
#define EMAC_LST_SRC_HI (EMAC_BASE + 84)
#define EMAC_I_FRAME_GAP_REG (EMAC_BASE + 88)
#define EMAC_STACR (EMAC_BASE + 92)
#define EMAC_TRTR (EMAC_BASE + 96)
#define EMAC_RX_HI_LO_WMARK (EMAC_BASE + 100)
/* bit definitions */
/* MODE REG 0 */
#define EMAC_M0_RXI (0x80000000)
#define EMAC_M0_TXI (0x40000000)
#define EMAC_M0_SRST (0x20000000)
#define EMAC_M0_TXE (0x10000000)
#define EMAC_M0_RXE (0x08000000)
#define EMAC_M0_WKE (0x04000000)
/* on 440GX EMAC_MR1 has a different layout! */
#if defined(CONFIG_440GX)
/* MODE Reg 1 */
#define EMAC_M1_FDE (0x80000000)
#define EMAC_M1_ILE (0x40000000)
#define EMAC_M1_VLE (0x20000000)
#define EMAC_M1_EIFC (0x10000000)
#define EMAC_M1_APP (0x08000000)
#define EMAC_M1_RSVD (0x06000000)
#define EMAC_M1_IST (0x01000000)
#define EMAC_M1_MF_1000MBPS (0x00800000) /* 0's for 10MBPS */
#define EMAC_M1_MF_100MBPS (0x00400000)
#define EMAC_M1_RFS_16K (0x00280000) /* ~4k for 512 byte */
#define EMAC_M1_RFS_8K (0x00200000) /* ~4k for 512 byte */
#define EMAC_M1_RFS_4K (0x00180000) /* ~4k for 512 byte */
#define EMAC_M1_RFS_2K (0x00100000)
#define EMAC_M1_RFS_1K (0x00080000)
#define EMAC_M1_TX_FIFO_16K (0x00050000) /* 0's for 512 byte */
#define EMAC_M1_TX_FIFO_8K (0x00040000)
#define EMAC_M1_TX_FIFO_4K (0x00030000)
#define EMAC_M1_TX_FIFO_2K (0x00020000)
#define EMAC_M1_TX_FIFO_1K (0x00010000)
#define EMAC_M1_TR_MULTI (0x00008000) /* 0'x for single packet */
#define EMAC_M1_MWSW (0x00007000)
#define EMAC_M1_JUMBO_ENABLE (0x00000800)
#define EMAC_M1_IPPA (0x000007c0)
#define EMAC_M1_OBCI_GT100 (0x00000020)
#define EMAC_M1_OBCI_100 (0x00000018)
#define EMAC_M1_OBCI_83 (0x00000010)
#define EMAC_M1_OBCI_66 (0x00000008)
#define EMAC_M1_RSVD1 (0x00000007)
#else /* defined(CONFIG_440GX) */
/* EMAC_MR1 is the same on 405GP, 405GPr, 405EP, 440GP, 440EP */
#define EMAC_M1_FDE 0x80000000
#define EMAC_M1_ILE 0x40000000
#define EMAC_M1_VLE 0x20000000
#define EMAC_M1_EIFC 0x10000000
#define EMAC_M1_APP 0x08000000
#define EMAC_M1_AEMI 0x02000000
#define EMAC_M1_IST 0x01000000
#define EMAC_M1_MF_1000MBPS 0x00800000 /* 0's for 10MBPS */
#define EMAC_M1_MF_100MBPS 0x00400000
#define EMAC_M1_RFS_4K 0x00300000 /* ~4k for 512 byte */
#define EMAC_M1_RFS_2K 0x00200000
#define EMAC_M1_RFS_1K 0x00100000
#define EMAC_M1_TX_FIFO_2K 0x00080000 /* 0's for 512 byte */
#define EMAC_M1_TX_FIFO_1K 0x00040000
#define EMAC_M1_TR0_DEPEND 0x00010000 /* 0'x for single packet */
#define EMAC_M1_TR0_MULTI 0x00008000
#define EMAC_M1_TR1_DEPEND 0x00004000
#define EMAC_M1_TR1_MULTI 0x00002000
#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
#define EMAC_M1_JUMBO_ENABLE 0x00001000
#endif /* defined(CONFIG_440EP) || defined(CONFIG_440GR) */
#endif /* defined(CONFIG_440GX) */
/* Transmit Mode Register 0 */
#define EMAC_TXM0_GNP0 (0x80000000)
#define EMAC_TXM0_GNP1 (0x40000000)
#define EMAC_TXM0_GNPD (0x20000000)
#define EMAC_TXM0_FC (0x10000000)
/* Receive Mode Register */
#define EMAC_RMR_SP (0x80000000)
#define EMAC_RMR_SFCS (0x40000000)
#define EMAC_RMR_ARRP (0x20000000)
#define EMAC_RMR_ARP (0x10000000)
#define EMAC_RMR_AROP (0x08000000)
#define EMAC_RMR_ARPI (0x04000000)
#define EMAC_RMR_PPP (0x02000000)
#define EMAC_RMR_PME (0x01000000)
#define EMAC_RMR_PMME (0x00800000)
#define EMAC_RMR_IAE (0x00400000)
#define EMAC_RMR_MIAE (0x00200000)
#define EMAC_RMR_BAE (0x00100000)
#define EMAC_RMR_MAE (0x00080000)
/* Interrupt Status & enable Regs */
#define EMAC_ISR_OVR (0x02000000)
#define EMAC_ISR_PP (0x01000000)
#define EMAC_ISR_BP (0x00800000)
#define EMAC_ISR_RP (0x00400000)
#define EMAC_ISR_SE (0x00200000)
#define EMAC_ISR_SYE (0x00100000)
#define EMAC_ISR_BFCS (0x00080000)
#define EMAC_ISR_PTLE (0x00040000)
#define EMAC_ISR_ORE (0x00020000)
#define EMAC_ISR_IRE (0x00010000)
#define EMAC_ISR_DBDM (0x00000200)
#define EMAC_ISR_DB0 (0x00000100)
#define EMAC_ISR_SE0 (0x00000080)
#define EMAC_ISR_TE0 (0x00000040)
#define EMAC_ISR_DB1 (0x00000020)
#define EMAC_ISR_SE1 (0x00000010)
#define EMAC_ISR_TE1 (0x00000008)
#define EMAC_ISR_MOS (0x00000002)
#define EMAC_ISR_MOF (0x00000001)
/* STA CONTROL REG */
#define EMAC_STACR_OC (0x00008000)
#define EMAC_STACR_PHYE (0x00004000)
#define EMAC_STACR_WRITE (0x00002000)
#define EMAC_STACR_READ (0x00001000)
#define EMAC_STACR_CLK_83MHZ (0x00000800) /* 0's for 50Mhz */
#define EMAC_STACR_CLK_66MHZ (0x00000400)
#define EMAC_STACR_CLK_100MHZ (0x00000C00)
/* Transmit Request Threshold Register */
#define EMAC_TRTR_256 (0x18000000) /* 0's for 64 Bytes */
#define EMAC_TRTR_192 (0x10000000)
#define EMAC_TRTR_128 (0x01000000)
/* the follwing defines are for the MadMAL status and control registers. */
/* For bits 0..5 look at the mal.h file */
#define EMAC_TX_CTRL_GFCS (0x0200)
#define EMAC_TX_CTRL_GP (0x0100)
#define EMAC_TX_CTRL_ISA (0x0080)
#define EMAC_TX_CTRL_RSA (0x0040)
#define EMAC_TX_CTRL_IVT (0x0020)
#define EMAC_TX_CTRL_RVT (0x0010)
#define EMAC_TX_CTRL_DEFAULT (EMAC_TX_CTRL_GFCS |EMAC_TX_CTRL_GP)
#define EMAC_TX_ST_BFCS (0x0200)
#define EMAC_TX_ST_BPP (0x0100)
#define EMAC_TX_ST_LCS (0x0080)
#define EMAC_TX_ST_ED (0x0040)
#define EMAC_TX_ST_EC (0x0020)
#define EMAC_TX_ST_LC (0x0010)
#define EMAC_TX_ST_MC (0x0008)
#define EMAC_TX_ST_SC (0x0004)
#define EMAC_TX_ST_UR (0x0002)
#define EMAC_TX_ST_SQE (0x0001)
#define EMAC_TX_ST_DEFAULT (0x03F3)
/* madmal receive status / Control bits */
#define EMAC_RX_ST_OE (0x0200)
#define EMAC_RX_ST_PP (0x0100)
#define EMAC_RX_ST_BP (0x0080)
#define EMAC_RX_ST_RP (0x0040)
#define EMAC_RX_ST_SE (0x0020)
#define EMAC_RX_ST_AE (0x0010)
#define EMAC_RX_ST_BFCS (0x0008)
#define EMAC_RX_ST_PTL (0x0004)
#define EMAC_RX_ST_ORE (0x0002)
#define EMAC_RX_ST_IRE (0x0001)
/* all the errors we care about */
#define EMAC_RX_ERRORS (0x03FF)
#endif /* _PPC4XX_ENET_H_ */
|
