1 /*
2     Copyright 1994 Digital Equipment Corporation.
3 
4     This software may be used and distributed according to  the terms of the
5     GNU General Public License, incorporated herein by reference.
6 
7     The author may    be  reached as davies@wanton.lkg.dec.com  or   Digital
8     Equipment Corporation, 550 King Street, Littleton MA 01460.
9 
10     =========================================================================
11 */
12 
13 /*
14 ** DC21040 CSR<1..15> Register Address Map
15 */
16 #define DE4X5_BMR    iobase+(0x000 << lp->bus)  /* Bus Mode Register */
17 #define DE4X5_TPD    iobase+(0x008 << lp->bus)  /* Transmit Poll Demand Reg */
18 #define DE4X5_RPD    iobase+(0x010 << lp->bus)  /* Receive Poll Demand Reg */
19 #define DE4X5_RRBA   iobase+(0x018 << lp->bus)  /* RX Ring Base Address Reg */
20 #define DE4X5_TRBA   iobase+(0x020 << lp->bus)  /* TX Ring Base Address Reg */
21 #define DE4X5_STS    iobase+(0x028 << lp->bus)  /* Status Register */
22 #define DE4X5_OMR    iobase+(0x030 << lp->bus)  /* Operation Mode Register */
23 #define DE4X5_IMR    iobase+(0x038 << lp->bus)  /* Interrupt Mask Register */
24 #define DE4X5_MFC    iobase+(0x040 << lp->bus)  /* Missed Frame Counter */
25 #define DE4X5_APROM  iobase+(0x048 << lp->bus)  /* Ethernet Address PROM */
26 #define DE4X5_BROM   iobase+(0x048 << lp->bus)  /* Boot ROM Register */
27 #define DE4X5_SROM   iobase+(0x048 << lp->bus)  /* Serial ROM Register */
28 #define DE4X5_MII    iobase+(0x048 << lp->bus)  /* MII Interface Register */
29 #define DE4X5_DDR    iobase+(0x050 << lp->bus)  /* Data Diagnostic Register */
30 #define DE4X5_FDR    iobase+(0x058 << lp->bus)  /* Full Duplex Register */
31 #define DE4X5_GPT    iobase+(0x058 << lp->bus)  /* General Purpose Timer Reg.*/
32 #define DE4X5_GEP    iobase+(0x060 << lp->bus)  /* General Purpose Register */
33 #define DE4X5_SISR   iobase+(0x060 << lp->bus)  /* SIA Status Register */
34 #define DE4X5_SICR   iobase+(0x068 << lp->bus)  /* SIA Connectivity Register */
35 #define DE4X5_STRR   iobase+(0x070 << lp->bus)  /* SIA TX/RX Register */
36 #define DE4X5_SIGR   iobase+(0x078 << lp->bus)  /* SIA General Register */
37 
38 /*
39 ** EISA Register Address Map
40 */
41 #define EISA_ID      iobase+0x0c80   /* EISA ID Registers */
42 #define EISA_ID0     iobase+0x0c80   /* EISA ID Register 0 */
43 #define EISA_ID1     iobase+0x0c81   /* EISA ID Register 1 */
44 #define EISA_ID2     iobase+0x0c82   /* EISA ID Register 2 */
45 #define EISA_ID3     iobase+0x0c83   /* EISA ID Register 3 */
46 #define EISA_CR      iobase+0x0c84   /* EISA Control Register */
47 #define EISA_REG0    iobase+0x0c88   /* EISA Configuration Register 0 */
48 #define EISA_REG1    iobase+0x0c89   /* EISA Configuration Register 1 */
49 #define EISA_REG2    iobase+0x0c8a   /* EISA Configuration Register 2 */
50 #define EISA_REG3    iobase+0x0c8f   /* EISA Configuration Register 3 */
51 #define EISA_APROM   iobase+0x0c90   /* Ethernet Address PROM */
52 
53 /*
54 ** PCI/EISA Configuration Registers Address Map
55 */
56 #define PCI_CFID     iobase+0x0008   /* PCI Configuration ID Register */
57 #define PCI_CFCS     iobase+0x000c   /* PCI Command/Status Register */
58 #define PCI_CFRV     iobase+0x0018   /* PCI Revision Register */
59 #define PCI_CFLT     iobase+0x001c   /* PCI Latency Timer Register */
60 #define PCI_CBIO     iobase+0x0028   /* PCI Base I/O Register */
61 #define PCI_CBMA     iobase+0x002c   /* PCI Base Memory Address Register */
62 #define PCI_CBER     iobase+0x0030   /* PCI Expansion ROM Base Address Reg. */
63 #define PCI_CFIT     iobase+0x003c   /* PCI Configuration Interrupt Register */
64 #define PCI_CFDA     iobase+0x0040   /* PCI Driver Area Register */
65 #define PCI_CFDD     iobase+0x0041   /* PCI Driver Dependent Area Register */
66 #define PCI_CFPM     iobase+0x0043   /* PCI Power Management Area Register */
67 
68 /*
69 ** EISA Configuration Register 0 bit definitions
70 */
71 #define ER0_BSW       0x80           /* EISA Bus Slave Width, 1: 32 bits */
72 #define ER0_BMW       0x40           /* EISA Bus Master Width, 1: 32 bits */
73 #define ER0_EPT       0x20           /* EISA PREEMPT Time, 0: 23 BCLKs */
74 #define ER0_ISTS      0x10           /* Interrupt Status (X) */
75 #define ER0_LI        0x08           /* Latch Interrupts */
76 #define ER0_INTL      0x06           /* INTerrupt Level */
77 #define ER0_INTT      0x01           /* INTerrupt Type, 0: Level, 1: Edge */
78 
79 /*
80 ** EISA Configuration Register 1 bit definitions
81 */
82 #define ER1_IAM       0xe0           /* ISA Address Mode */
83 #define ER1_IAE       0x10           /* ISA Addressing Enable */
84 #define ER1_UPIN      0x0f           /* User Pins */
85 
86 /*
87 ** EISA Configuration Register 2 bit definitions
88 */
89 #define ER2_BRS       0xc0           /* Boot ROM Size */
90 #define ER2_BRA       0x3c           /* Boot ROM Address <16:13> */
91 
92 /*
93 ** EISA Configuration Register 3 bit definitions
94 */
95 #define ER3_BWE       0x40           /* Burst Write Enable */
96 #define ER3_BRE       0x04           /* Burst Read Enable */
97 #define ER3_LSR       0x02           /* Local Software Reset */
98 
99 /*
100 ** PCI Configuration ID Register (PCI_CFID). The Device IDs are left
101 ** shifted 8 bits to allow detection of DC21142 and DC21143 variants with
102 ** the configuration revision register step number.
103 */
104 #define CFID_DID    0xff00           /* Device ID */
105 #define CFID_VID    0x00ff           /* Vendor ID */
106 #define DC21040_DID 0x0200           /* Unique Device ID # */
107 #define DC21040_VID 0x1011           /* DC21040 Manufacturer */
108 #define DC21041_DID 0x1400           /* Unique Device ID # */
109 #define DC21041_VID 0x1011           /* DC21041 Manufacturer */
110 #define DC21140_DID 0x0900           /* Unique Device ID # */
111 #define DC21140_VID 0x1011           /* DC21140 Manufacturer */
112 #define DC2114x_DID 0x1900           /* Unique Device ID # */
113 #define DC2114x_VID 0x1011           /* DC2114[23] Manufacturer */
114 
115 /*
116 ** Chipset defines
117 */
118 #define DC21040     DC21040_DID
119 #define DC21041     DC21041_DID
120 #define DC21140     DC21140_DID
121 #define DC2114x     DC2114x_DID
122 #define DC21142     (DC2114x_DID | 0x0010)
123 #define DC21143     (DC2114x_DID | 0x0030)
124 #define DC2114x_BRK 0x0020           /* CFRV break between DC21142 & DC21143 */
125 
126 #define is_DC21040 ((vendor == DC21040_VID) && (device == DC21040_DID))
127 #define is_DC21041 ((vendor == DC21041_VID) && (device == DC21041_DID))
128 #define is_DC21140 ((vendor == DC21140_VID) && (device == DC21140_DID))
129 #define is_DC2114x ((vendor == DC2114x_VID) && (device == DC2114x_DID))
130 #define is_DC21142 ((vendor == DC2114x_VID) && (device == DC21142))
131 #define is_DC21143 ((vendor == DC2114x_VID) && (device == DC21143))
132 
133 /*
134 ** PCI Configuration Command/Status Register (PCI_CFCS)
135 */
136 #define CFCS_DPE    0x80000000       /* Detected Parity Error (S) */
137 #define CFCS_SSE    0x40000000       /* Signal System Error   (S) */
138 #define CFCS_RMA    0x20000000       /* Receive Master Abort  (S) */
139 #define CFCS_RTA    0x10000000       /* Receive Target Abort  (S) */
140 #define CFCS_DST    0x06000000       /* DEVSEL Timing         (S) */
141 #define CFCS_DPR    0x01000000       /* Data Parity Report    (S) */
142 #define CFCS_FBB    0x00800000       /* Fast Back-To-Back     (S) */
143 #define CFCS_SEE    0x00000100       /* System Error Enable   (C) */
144 #define CFCS_PER    0x00000040       /* Parity Error Response (C) */
145 #define CFCS_MO     0x00000004       /* Master Operation      (C) */
146 #define CFCS_MSA    0x00000002       /* Memory Space Access   (C) */
147 #define CFCS_IOSA   0x00000001       /* I/O Space Access      (C) */
148 
149 /*
150 ** PCI Configuration Revision Register (PCI_CFRV)
151 */
152 #define CFRV_BC     0xff000000       /* Base Class */
153 #define CFRV_SC     0x00ff0000       /* Subclass */
154 #define CFRV_RN     0x000000f0       /* Revision Number */
155 #define CFRV_SN     0x0000000f       /* Step Number */
156 #define BASE_CLASS  0x02000000       /* Indicates Network Controller */
157 #define SUB_CLASS   0x00000000       /* Indicates Ethernet Controller */
158 #define STEP_NUMBER 0x00000020       /* Increments for future chips */
159 #define REV_NUMBER  0x00000003       /* 0x00, 0x01, 0x02, 0x03: Rev in Step */
160 #define CFRV_MASK   0xffff0000       /* Register mask */
161 
162 /*
163 ** PCI Configuration Latency Timer Register (PCI_CFLT)
164 */
165 #define CFLT_BC     0x0000ff00       /* Latency Timer bits */
166 
167 /*
168 ** PCI Configuration Base I/O Address Register (PCI_CBIO)
169 */
170 #define CBIO_MASK   -128             /* Base I/O Address Mask */
171 #define CBIO_IOSI   0x00000001       /* I/O Space Indicator (RO, value is 1) */
172 
173 /*
174 ** PCI Configuration Card Information Structure Register (PCI_CCIS)
175 */
176 #define CCIS_ROMI   0xf0000000       /* ROM Image */
177 #define CCIS_ASO    0x0ffffff8       /* Address Space Offset */
178 #define CCIS_ASI    0x00000007       /* Address Space Indicator */
179 
180 /*
181 ** PCI Configuration Subsystem ID Register (PCI_SSID)
182 */
183 #define SSID_SSID   0xffff0000       /* Subsystem ID */
184 #define SSID_SVID   0x0000ffff       /* Subsystem Vendor ID */
185 
186 /*
187 ** PCI Configuration Expansion ROM Base Address Register (PCI_CBER)
188 */
189 #define CBER_MASK   0xfffffc00       /* Expansion ROM Base Address Mask */
190 #define CBER_ROME   0x00000001       /* ROM Enable */
191 
192 /*
193 ** PCI Configuration Interrupt Register (PCI_CFIT)
194 */
195 #define CFIT_MXLT   0xff000000       /* MAX_LAT Value (0.25us periods) */
196 #define CFIT_MNGT   0x00ff0000       /* MIN_GNT Value (0.25us periods) */
197 #define CFIT_IRQP   0x0000ff00       /* Interrupt Pin */
198 #define CFIT_IRQL   0x000000ff       /* Interrupt Line */
199 
200 /*
201 ** PCI Configuration Power Management Area Register (PCI_CFPM)
202 */
203 #define SLEEP       0x80             /* Power Saving Sleep Mode */
204 #define SNOOZE      0x40             /* Power Saving Snooze Mode */
205 #define WAKEUP      0x00             /* Power Saving Wakeup */
206 
207 #define PCI_CFDA_DSU 0x41            /* 8 bit Configuration Space Address */
208 #define PCI_CFDA_PSM 0x43            /* 8 bit Configuration Space Address */
209 
210 /*
211 ** DC21040 Bus Mode Register (DE4X5_BMR)
212 */
213 #define BMR_RML    0x00200000       /* [Memory] Read Multiple */
214 #define BMR_DBO    0x00100000       /* Descriptor Byte Ordering (Endian) */
215 #define BMR_TAP    0x000e0000       /* Transmit Automatic Polling */
216 #define BMR_DAS    0x00010000       /* Diagnostic Address Space */
217 #define BMR_CAL    0x0000c000       /* Cache Alignment */
218 #define BMR_PBL    0x00003f00       /* Programmable Burst Length */
219 #define BMR_BLE    0x00000080       /* Big/Little Endian */
220 #define BMR_DSL    0x0000007c       /* Descriptor Skip Length */
221 #define BMR_BAR    0x00000002       /* Bus ARbitration */
222 #define BMR_SWR    0x00000001       /* Software Reset */
223 
224                                     /* Timings here are for 10BASE-T/AUI only*/
225 #define TAP_NOPOLL 0x00000000       /* No automatic polling */
226 #define TAP_200US  0x00020000       /* TX automatic polling every 200us */
227 #define TAP_800US  0x00040000       /* TX automatic polling every 800us */
228 #define TAP_1_6MS  0x00060000       /* TX automatic polling every 1.6ms */
229 #define TAP_12_8US 0x00080000       /* TX automatic polling every 12.8us */
230 #define TAP_25_6US 0x000a0000       /* TX automatic polling every 25.6us */
231 #define TAP_51_2US 0x000c0000       /* TX automatic polling every 51.2us */
232 #define TAP_102_4US 0x000e0000      /* TX automatic polling every 102.4us */
233 
234 #define CAL_NOUSE  0x00000000       /* Not used */
235 #define CAL_8LONG  0x00004000       /* 8-longword alignment */
236 #define CAL_16LONG 0x00008000       /* 16-longword alignment */
237 #define CAL_32LONG 0x0000c000       /* 32-longword alignment */
238 
239 #define PBL_0      0x00000000       /*  DMA burst length = amount in RX FIFO */
240 #define PBL_1      0x00000100       /*  1 longword  DMA burst length */
241 #define PBL_2      0x00000200       /*  2 longwords DMA burst length */
242 #define PBL_4      0x00000400       /*  4 longwords DMA burst length */
243 #define PBL_8      0x00000800       /*  8 longwords DMA burst length */
244 #define PBL_16     0x00001000       /* 16 longwords DMA burst length */
245 #define PBL_32     0x00002000       /* 32 longwords DMA burst length */
246 
247 #define DSL_0      0x00000000       /*  0 longword  / descriptor */
248 #define DSL_1      0x00000004       /*  1 longword  / descriptor */
249 #define DSL_2      0x00000008       /*  2 longwords / descriptor */
250 #define DSL_4      0x00000010       /*  4 longwords / descriptor */
251 #define DSL_8      0x00000020       /*  8 longwords / descriptor */
252 #define DSL_16     0x00000040       /* 16 longwords / descriptor */
253 #define DSL_32     0x00000080       /* 32 longwords / descriptor */
254 
255 /*
256 ** DC21040 Transmit Poll Demand Register (DE4X5_TPD)
257 */
258 #define TPD        0x00000001       /* Transmit Poll Demand */
259 
260 /*
261 ** DC21040 Receive Poll Demand Register (DE4X5_RPD)
262 */
263 #define RPD        0x00000001       /* Receive Poll Demand */
264 
265 /*
266 ** DC21040 Receive Ring Base Address Register (DE4X5_RRBA)
267 */
268 #define RRBA       0xfffffffc       /* RX Descriptor List Start Address */
269 
270 /*
271 ** DC21040 Transmit Ring Base Address Register (DE4X5_TRBA)
272 */
273 #define TRBA       0xfffffffc       /* TX Descriptor List Start Address */
274 
275 /*
276 ** Status Register (DE4X5_STS)
277 */
278 #define STS_GPI    0x04000000       /* General Purpose Port Interrupt */
279 #define STS_BE     0x03800000       /* Bus Error Bits */
280 #define STS_TS     0x00700000       /* Transmit Process State */
281 #define STS_RS     0x000e0000       /* Receive Process State */
282 #define STS_NIS    0x00010000       /* Normal Interrupt Summary */
283 #define STS_AIS    0x00008000       /* Abnormal Interrupt Summary */
284 #define STS_ER     0x00004000       /* Early Receive */
285 #define STS_FBE    0x00002000       /* Fatal Bus Error */
286 #define STS_SE     0x00002000       /* System Error */
287 #define STS_LNF    0x00001000       /* Link Fail */
288 #define STS_FD     0x00000800       /* Full-Duplex Short Frame Received */
289 #define STS_TM     0x00000800       /* Timer Expired (DC21041) */
290 #define STS_ETI    0x00000400       /* Early Transmit Interrupt */
291 #define STS_AT     0x00000400       /* AUI/TP Pin */
292 #define STS_RWT    0x00000200       /* Receive Watchdog Time-Out */
293 #define STS_RPS    0x00000100       /* Receive Process Stopped */
294 #define STS_RU     0x00000080       /* Receive Buffer Unavailable */
295 #define STS_RI     0x00000040       /* Receive Interrupt */
296 #define STS_UNF    0x00000020       /* Transmit Underflow */
297 #define STS_LNP    0x00000010       /* Link Pass */
298 #define STS_ANC    0x00000010       /* Autonegotiation Complete */
299 #define STS_TJT    0x00000008       /* Transmit Jabber Time-Out */
300 #define STS_TU     0x00000004       /* Transmit Buffer Unavailable */
301 #define STS_TPS    0x00000002       /* Transmit Process Stopped */
302 #define STS_TI     0x00000001       /* Transmit Interrupt */
303 
304 #define EB_PAR     0x00000000       /* Parity Error */
305 #define EB_MA      0x00800000       /* Master Abort */
306 #define EB_TA      0x01000000       /* Target Abort */
307 #define EB_RES0    0x01800000       /* Reserved */
308 #define EB_RES1    0x02000000       /* Reserved */
309 
310 #define TS_STOP    0x00000000       /* Stopped */
311 #define TS_FTD     0x00100000       /* Fetch Transmit Descriptor */
312 #define TS_WEOT    0x00200000       /* Wait for End Of Transmission */
313 #define TS_QDAT    0x00300000       /* Queue skb data into TX FIFO */
314 #define TS_RES     0x00400000       /* Reserved */
315 #define TS_SPKT    0x00500000       /* Setup Packet */
316 #define TS_SUSP    0x00600000       /* Suspended */
317 #define TS_CLTD    0x00700000       /* Close Transmit Descriptor */
318 
319 #define RS_STOP    0x00000000       /* Stopped */
320 #define RS_FRD     0x00020000       /* Fetch Receive Descriptor */
321 #define RS_CEOR    0x00040000       /* Check for End of Receive Packet */
322 #define RS_WFRP    0x00060000       /* Wait for Receive Packet */
323 #define RS_SUSP    0x00080000       /* Suspended */
324 #define RS_CLRD    0x000a0000       /* Close Receive Descriptor */
325 #define RS_FLUSH   0x000c0000       /* Flush RX FIFO */
326 #define RS_QRFS    0x000e0000       /* Queue RX FIFO into RX Skb */
327 
328 #define INT_CANCEL 0x0001ffff       /* For zeroing all interrupt sources */
329 
330 /*
331 ** Operation Mode Register (DE4X5_OMR)
332 */
333 #define OMR_SC     0x80000000       /* Special Capture Effect Enable */
334 #define OMR_RA     0x40000000       /* Receive All */
335 #define OMR_SDP    0x02000000       /* SD Polarity - MUST BE ASSERTED */
336 #define OMR_SCR    0x01000000       /* Scrambler Mode */
337 #define OMR_PCS    0x00800000       /* PCS Function */
338 #define OMR_TTM    0x00400000       /* Transmit Threshold Mode */
339 #define OMR_SF     0x00200000       /* Store and Forward */
340 #define OMR_HBD    0x00080000       /* HeartBeat Disable */
341 #define OMR_PS     0x00040000       /* Port Select */
342 #define OMR_CA     0x00020000       /* Capture Effect Enable */
343 #define OMR_BP     0x00010000       /* Back Pressure */
344 #define OMR_TR     0x0000c000       /* Threshold Control Bits */
345 #define OMR_ST     0x00002000       /* Start/Stop Transmission Command */
346 #define OMR_FC     0x00001000       /* Force Collision Mode */
347 #define OMR_OM     0x00000c00       /* Operating Mode */
348 #define OMR_FDX    0x00000200       /* Full Duplex Mode */
349 #define OMR_FKD    0x00000100       /* Flaky Oscillator Disable */
350 #define OMR_PM     0x00000080       /* Pass All Multicast */
351 #define OMR_PR     0x00000040       /* Promiscuous Mode */
352 #define OMR_SB     0x00000020       /* Start/Stop Backoff Counter */
353 #define OMR_IF     0x00000010       /* Inverse Filtering */
354 #define OMR_PB     0x00000008       /* Pass Bad Frames */
355 #define OMR_HO     0x00000004       /* Hash Only Filtering Mode */
356 #define OMR_SR     0x00000002       /* Start/Stop Receive */
357 #define OMR_HP     0x00000001       /* Hash/Perfect Receive Filtering Mode */
358 
359 #define TR_72      0x00000000       /* Threshold set to 72 (128) bytes */
360 #define TR_96      0x00004000       /* Threshold set to 96 (256) bytes */
361 #define TR_128     0x00008000       /* Threshold set to 128 (512) bytes */
362 #define TR_160     0x0000c000       /* Threshold set to 160 (1024) bytes */
363 
364 #define OMR_DEF     (OMR_SDP)
365 #define OMR_SIA     (OMR_SDP | OMR_TTM)
366 #define OMR_SYM     (OMR_SDP | OMR_SCR | OMR_PCS | OMR_HBD | OMR_PS)
367 #define OMR_MII_10  (OMR_SDP | OMR_TTM | OMR_PS)
368 #define OMR_MII_100 (OMR_SDP | OMR_HBD | OMR_PS)
369 
370 /*
371 ** DC21040 Interrupt Mask Register (DE4X5_IMR)
372 */
373 #define IMR_GPM    0x04000000       /* General Purpose Port Mask */
374 #define IMR_NIM    0x00010000       /* Normal Interrupt Summary Mask */
375 #define IMR_AIM    0x00008000       /* Abnormal Interrupt Summary Mask */
376 #define IMR_ERM    0x00004000       /* Early Receive Mask */
377 #define IMR_FBM    0x00002000       /* Fatal Bus Error Mask */
378 #define IMR_SEM    0x00002000       /* System Error Mask */
379 #define IMR_LFM    0x00001000       /* Link Fail Mask */
380 #define IMR_FDM    0x00000800       /* Full-Duplex (Short Frame) Mask */
381 #define IMR_TMM    0x00000800       /* Timer Expired Mask (DC21041) */
382 #define IMR_ETM    0x00000400       /* Early Transmit Interrupt Mask */
383 #define IMR_ATM    0x00000400       /* AUI/TP Switch Mask */
384 #define IMR_RWM    0x00000200       /* Receive Watchdog Time-Out Mask */
385 #define IMR_RSM    0x00000100       /* Receive Stopped Mask */
386 #define IMR_RUM    0x00000080       /* Receive Buffer Unavailable Mask */
387 #define IMR_RIM    0x00000040       /* Receive Interrupt Mask */
388 #define IMR_UNM    0x00000020       /* Underflow Interrupt Mask */
389 #define IMR_ANM    0x00000010       /* Autonegotiation Complete Mask */
390 #define IMR_LPM    0x00000010       /* Link Pass */
391 #define IMR_TJM    0x00000008       /* Transmit Time-Out Jabber Mask */
392 #define IMR_TUM    0x00000004       /* Transmit Buffer Unavailable Mask */
393 #define IMR_TSM    0x00000002       /* Transmission Stopped Mask */
394 #define IMR_TIM    0x00000001       /* Transmit Interrupt Mask */
395 
396 /*
397 ** Missed Frames and FIFO Overflow Counters (DE4X5_MFC)
398 */
399 #define MFC_FOCO   0x10000000       /* FIFO Overflow Counter Overflow Bit */
400 #define MFC_FOC    0x0ffe0000       /* FIFO Overflow Counter Bits */
401 #define MFC_OVFL   0x00010000       /* Missed Frames Counter Overflow Bit */
402 #define MFC_CNTR   0x0000ffff       /* Missed Frames Counter Bits */
403 #define MFC_FOCM   0x1ffe0000       /* FIFO Overflow Counter Mask */
404 
405 /*
406 ** DC21040 Ethernet Address PROM (DE4X5_APROM)
407 */
408 #define APROM_DN   0x80000000       /* Data Not Valid */
409 #define APROM_DT   0x000000ff       /* Address Byte */
410 
411 /*
412 ** DC21041 Boot/Ethernet Address ROM (DE4X5_BROM)
413 */
414 #define BROM_MODE 0x00008000       /* MODE_1: 0,  MODE_0: 1  (read only) */
415 #define BROM_RD   0x00004000       /* Read from Boot ROM */
416 #define BROM_WR   0x00002000       /* Write to Boot ROM */
417 #define BROM_BR   0x00001000       /* Select Boot ROM when set */
418 #define BROM_SR   0x00000800       /* Select Serial ROM when set */
419 #define BROM_REG  0x00000400       /* External Register Select */
420 #define BROM_DT   0x000000ff       /* Data Byte */
421 
422 /*
423 ** DC21041 Serial/Ethernet Address ROM (DE4X5_SROM, DE4X5_MII)
424 */
425 #define MII_MDI   0x00080000       /* MII Management Data In */
426 #define MII_MDO   0x00060000       /* MII Management Mode/Data Out */
427 #define MII_MRD   0x00040000       /* MII Management Define Read Mode */
428 #define MII_MWR   0x00000000       /* MII Management Define Write Mode */
429 #define MII_MDT   0x00020000       /* MII Management Data Out */
430 #define MII_MDC   0x00010000       /* MII Management Clock */
431 #define MII_RD    0x00004000       /* Read from MII */
432 #define MII_WR    0x00002000       /* Write to MII */
433 #define MII_SEL   0x00000800       /* Select MII when RESET */
434 
435 #define SROM_MODE 0x00008000       /* MODE_1: 0,  MODE_0: 1  (read only) */
436 #define SROM_RD   0x00004000       /* Read from Boot ROM */
437 #define SROM_WR   0x00002000       /* Write to Boot ROM */
438 #define SROM_BR   0x00001000       /* Select Boot ROM when set */
439 #define SROM_SR   0x00000800       /* Select Serial ROM when set */
440 #define SROM_REG  0x00000400       /* External Register Select */
441 #define SROM_DT   0x000000ff       /* Data Byte */
442 
443 #define DT_OUT    0x00000008       /* Serial Data Out */
444 #define DT_IN     0x00000004       /* Serial Data In */
445 #define DT_CLK    0x00000002       /* Serial ROM Clock */
446 #define DT_CS     0x00000001       /* Serial ROM Chip Select */
447 
448 #define MII_PREAMBLE 0xffffffff    /* MII Management Preamble */
449 #define MII_TEST     0xaaaaaaaa    /* MII Test Signal */
450 #define MII_STRD     0x06          /* Start of Frame+Op Code: use low nibble */
451 #define MII_STWR     0x0a          /* Start of Frame+Op Code: use low nibble */
452 
453 #define MII_CR       0x00          /* MII Management Control Register */
454 #define MII_SR       0x01          /* MII Management Status Register */
455 #define MII_ID0      0x02          /* PHY Identifier Register 0 */
456 #define MII_ID1      0x03          /* PHY Identifier Register 1 */
457 #define MII_ANA      0x04          /* Auto Negotiation Advertisement */
458 #define MII_ANLPA    0x05          /* Auto Negotiation Link Partner Ability */
459 #define MII_ANE      0x06          /* Auto Negotiation Expansion */
460 #define MII_ANP      0x07          /* Auto Negotiation Next Page TX */
461 
462 #define DE4X5_MAX_MII 32           /* Maximum address of MII PHY devices */
463 
464 /*
465 ** MII Management Control Register
466 */
467 #define MII_CR_RST  0x8000         /* RESET the PHY chip */
468 #define MII_CR_LPBK 0x4000         /* Loopback enable */
469 #define MII_CR_SPD  0x2000         /* 0: 10Mb/s; 1: 100Mb/s */
470 #define MII_CR_10   0x0000         /* Set 10Mb/s */
471 #define MII_CR_100  0x2000         /* Set 100Mb/s */
472 #define MII_CR_ASSE 0x1000         /* Auto Speed Select Enable */
473 #define MII_CR_PD   0x0800         /* Power Down */
474 #define MII_CR_ISOL 0x0400         /* Isolate Mode */
475 #define MII_CR_RAN  0x0200         /* Restart Auto Negotiation */
476 #define MII_CR_FDM  0x0100         /* Full Duplex Mode */
477 #define MII_CR_CTE  0x0080         /* Collision Test Enable */
478 
479 /*
480 ** MII Management Status Register
481 */
482 #define MII_SR_T4C  0x8000         /* 100BASE-T4 capable */
483 #define MII_SR_TXFD 0x4000         /* 100BASE-TX Full Duplex capable */
484 #define MII_SR_TXHD 0x2000         /* 100BASE-TX Half Duplex capable */
485 #define MII_SR_TFD  0x1000         /* 10BASE-T Full Duplex capable */
486 #define MII_SR_THD  0x0800         /* 10BASE-T Half Duplex capable */
487 #define MII_SR_ASSC 0x0020         /* Auto Speed Selection Complete*/
488 #define MII_SR_RFD  0x0010         /* Remote Fault Detected */
489 #define MII_SR_ANC  0x0008         /* Auto Negotiation capable */
490 #define MII_SR_LKS  0x0004         /* Link Status */
491 #define MII_SR_JABD 0x0002         /* Jabber Detect */
492 #define MII_SR_XC   0x0001         /* Extended Capabilities */
493 
494 /*
495 ** MII Management Auto Negotiation Advertisement Register
496 */
497 #define MII_ANA_TAF  0x03e0        /* Technology Ability Field */
498 #define MII_ANA_T4AM 0x0200        /* T4 Technology Ability Mask */
499 #define MII_ANA_TXAM 0x0180        /* TX Technology Ability Mask */
500 #define MII_ANA_FDAM 0x0140        /* Full Duplex Technology Ability Mask */
501 #define MII_ANA_HDAM 0x02a0        /* Half Duplex Technology Ability Mask */
502 #define MII_ANA_100M 0x0380        /* 100Mb Technology Ability Mask */
503 #define MII_ANA_10M  0x0060        /* 10Mb Technology Ability Mask */
504 #define MII_ANA_CSMA 0x0001        /* CSMA-CD Capable */
505 
506 /*
507 ** MII Management Auto Negotiation Remote End Register
508 */
509 #define MII_ANLPA_NP   0x8000      /* Next Page (Enable) */
510 #define MII_ANLPA_ACK  0x4000      /* Remote Acknowledge */
511 #define MII_ANLPA_RF   0x2000      /* Remote Fault */
512 #define MII_ANLPA_TAF  0x03e0      /* Technology Ability Field */
513 #define MII_ANLPA_T4AM 0x0200      /* T4 Technology Ability Mask */
514 #define MII_ANLPA_TXAM 0x0180      /* TX Technology Ability Mask */
515 #define MII_ANLPA_FDAM 0x0140      /* Full Duplex Technology Ability Mask */
516 #define MII_ANLPA_HDAM 0x02a0      /* Half Duplex Technology Ability Mask */
517 #define MII_ANLPA_100M 0x0380      /* 100Mb Technology Ability Mask */
518 #define MII_ANLPA_10M  0x0060      /* 10Mb Technology Ability Mask */
519 #define MII_ANLPA_CSMA 0x0001      /* CSMA-CD Capable */
520 
521 /*
522 ** SROM Media Definitions (ABG SROM Section)
523 */
524 #define MEDIA_NWAY     0x0080      /* Nway (Auto Negotiation) on PHY */
525 #define MEDIA_MII      0x0040      /* MII Present on the adapter */
526 #define MEDIA_FIBRE    0x0008      /* Fibre Media present */
527 #define MEDIA_AUI      0x0004      /* AUI Media present */
528 #define MEDIA_TP       0x0002      /* TP Media present */
529 #define MEDIA_BNC      0x0001      /* BNC Media present */
530 
531 /*
532 ** SROM Definitions (Digital Semiconductor Format)
533 */
534 #define SROM_SSVID     0x0000      /* Sub-system Vendor ID offset */
535 #define SROM_SSID      0x0002      /* Sub-system ID offset */
536 #define SROM_CISPL     0x0004      /* CardBus CIS Pointer low offset */
537 #define SROM_CISPH     0x0006      /* CardBus CIS Pointer high offset */
538 #define SROM_IDCRC     0x0010      /* ID Block CRC offset*/
539 #define SROM_RSVD2     0x0011      /* ID Reserved 2 offset */
540 #define SROM_SFV       0x0012      /* SROM Format Version offset */
541 #define SROM_CCNT      0x0013      /* Controller Count offset */
542 #define SROM_HWADD     0x0014      /* Hardware Address offset */
543 #define SROM_MRSVD     0x007c      /* Manufacturer Reserved offset*/
544 #define SROM_CRC       0x007e      /* SROM CRC offset */
545 
546 /*
547 ** SROM Media Connection Definitions
548 */
549 #define SROM_10BT      0x0000      /*  10BASE-T half duplex */
550 #define SROM_10BTN     0x0100      /*  10BASE-T with Nway */
551 #define SROM_10BTF     0x0204      /*  10BASE-T full duplex */
552 #define SROM_10BTNLP   0x0400      /*  10BASE-T without Link Pass test */
553 #define SROM_10B2      0x0001      /*  10BASE-2 (BNC) */
554 #define SROM_10B5      0x0002      /*  10BASE-5 (AUI) */
555 #define SROM_100BTH    0x0003      /*  100BASE-T half duplex */
556 #define SROM_100BTF    0x0205      /*  100BASE-T full duplex */
557 #define SROM_100BT4    0x0006      /*  100BASE-T4 */
558 #define SROM_100BFX    0x0007      /*  100BASE-FX half duplex (Fiber) */
559 #define SROM_M10BT     0x0009      /*  MII 10BASE-T half duplex */
560 #define SROM_M10BTF    0x020a      /*  MII 10BASE-T full duplex */
561 #define SROM_M100BT    0x000d      /*  MII 100BASE-T half duplex */
562 #define SROM_M100BTF   0x020e      /*  MII 100BASE-T full duplex */
563 #define SROM_M100BT4   0x000f      /*  MII 100BASE-T4 */
564 #define SROM_M100BF    0x0010      /*  MII 100BASE-FX half duplex */
565 #define SROM_M100BFF   0x0211      /*  MII 100BASE-FX full duplex */
566 #define SROM_PDA       0x0800      /*  Powerup & Dynamic Autosense */
567 #define SROM_PAO       0x8800      /*  Powerup Autosense Only */
568 #define SROM_NSMI      0xffff      /*  No Selected Media Information */
569 
570 /*
571 ** SROM Media Definitions
572 */
573 #define SROM_10BASET   0x0000      /*  10BASE-T half duplex */
574 #define SROM_10BASE2   0x0001      /*  10BASE-2 (BNC) */
575 #define SROM_10BASE5   0x0002      /*  10BASE-5 (AUI) */
576 #define SROM_100BASET  0x0003      /*  100BASE-T half duplex */
577 #define SROM_10BASETF  0x0004      /*  10BASE-T full duplex */
578 #define SROM_100BASETF 0x0005      /*  100BASE-T full duplex */
579 #define SROM_100BASET4 0x0006      /*  100BASE-T4 */
580 #define SROM_100BASEF  0x0007      /*  100BASE-FX half duplex */
581 #define SROM_100BASEFF 0x0008      /*  100BASE-FX full duplex */
582 
583 #define BLOCK_LEN      0x7f        /* Extended blocks length mask */
584 #define EXT_FIELD      0x40        /* Extended blocks extension field bit */
585 #define MEDIA_CODE     0x3f        /* Extended blocks media code mask */
586 
587 /*
588 ** SROM Compact Format Block Masks
589 */
590 #define COMPACT_FI      0x80       /* Format Indicator */
591 #define COMPACT_LEN     0x04       /* Length */
592 #define COMPACT_MC      0x3f       /* Media Code */
593 
594 /*
595 ** SROM Extended Format Block Type 0 Masks
596 */
597 #define BLOCK0_FI      0x80        /* Format Indicator */
598 #define BLOCK0_MCS     0x80        /* Media Code byte Sign */
599 #define BLOCK0_MC      0x3f        /* Media Code */
600 
601 /*
602 ** DC21040 Full Duplex Register (DE4X5_FDR)
603 */
604 #define FDR_FDACV  0x0000ffff      /* Full Duplex Auto Configuration Value */
605 
606 /*
607 ** DC21041 General Purpose Timer Register (DE4X5_GPT)
608 */
609 #define GPT_CON  0x00010000        /* One shot: 0,  Continuous: 1 */
610 #define GPT_VAL  0x0000ffff        /* Timer Value */
611 
612 /*
613 ** DC21140 General Purpose Register (DE4X5_GEP) (hardware dependent bits)
614 */
615 /* Valid ONLY for DE500 hardware */
616 #define GEP_LNP  0x00000080        /* Link Pass               (input)        */
617 #define GEP_SLNK 0x00000040        /* SYM LINK                (input)        */
618 #define GEP_SDET 0x00000020        /* Signal Detect           (input)        */
619 #define GEP_HRST 0x00000010        /* Hard RESET (to PHY)     (output)       */
620 #define GEP_FDXD 0x00000008        /* Full Duplex Disable     (output)       */
621 #define GEP_PHYL 0x00000004        /* PHY Loopback            (output)       */
622 #define GEP_FLED 0x00000002        /* Force Activity LED on   (output)       */
623 #define GEP_MODE 0x00000001        /* 0: 10Mb/s,  1: 100Mb/s                 */
624 #define GEP_INIT 0x0000011f        /* Setup inputs (0) and outputs (1)       */
625 #define GEP_CTRL 0x00000100        /* GEP control bit                        */
626 
627 /*
628 ** SIA Register Defaults
629 */
630 #define CSR13 0x00000001
631 #define CSR14 0x0003ff7f           /* Autonegotiation disabled               */
632 #define CSR15 0x00000008
633 
634 /*
635 ** SIA Status Register (DE4X5_SISR)
636 */
637 #define SISR_LPC   0xffff0000      /* Link Partner's Code Word               */
638 #define SISR_LPN   0x00008000      /* Link Partner Negotiable                */
639 #define SISR_ANS   0x00007000      /* Auto Negotiation Arbitration State     */
640 #define SISR_NSN   0x00000800      /* Non Stable NLPs Detected (DC21041)     */
641 #define SISR_TRF   0x00000800      /* Transmit Remote Fault                  */
642 #define SISR_NSND  0x00000400      /* Non Stable NLPs Detected (DC21142)     */
643 #define SISR_ANR_FDS 0x00000400    /* Auto Negotiate Restart/Full Duplex Sel.*/
644 #define SISR_TRA   0x00000200      /* 10BASE-T Receive Port Activity         */
645 #define SISR_NRA   0x00000200      /* Non Selected Port Receive Activity     */
646 #define SISR_ARA   0x00000100      /* AUI Receive Port Activity              */
647 #define SISR_SRA   0x00000100      /* Selected Port Receive Activity         */
648 #define SISR_DAO   0x00000080      /* PLL All One                            */
649 #define SISR_DAZ   0x00000040      /* PLL All Zero                           */
650 #define SISR_DSP   0x00000020      /* PLL Self-Test Pass                     */
651 #define SISR_DSD   0x00000010      /* PLL Self-Test Done                     */
652 #define SISR_APS   0x00000008      /* Auto Polarity State                    */
653 #define SISR_LKF   0x00000004      /* Link Fail Status                       */
654 #define SISR_LS10  0x00000004      /* 10Mb/s Link Fail Status                */
655 #define SISR_NCR   0x00000002      /* Network Connection Error               */
656 #define SISR_LS100 0x00000002      /* 100Mb/s Link Fail Status               */
657 #define SISR_PAUI  0x00000001      /* AUI_TP Indication                      */
658 #define SISR_MRA   0x00000001      /* MII Receive Port Activity              */
659 
660 #define ANS_NDIS   0x00000000      /* Nway disable                           */
661 #define ANS_TDIS   0x00001000      /* Transmit Disable                       */
662 #define ANS_ADET   0x00002000      /* Ability Detect                         */
663 #define ANS_ACK    0x00003000      /* Acknowledge                            */
664 #define ANS_CACK   0x00004000      /* Complete Acknowledge                   */
665 #define ANS_NWOK   0x00005000      /* Nway OK - FLP Link Good                */
666 #define ANS_LCHK   0x00006000      /* Link Check                             */
667 
668 #define SISR_RST   0x00000301      /* CSR12 reset                            */
669 #define SISR_ANR   0x00001301      /* Autonegotiation restart                */
670 
671 /*
672 ** SIA Connectivity Register (DE4X5_SICR)
673 */
674 #define SICR_SDM   0xffff0000       /* SIA Diagnostics Mode */
675 #define SICR_OE57  0x00008000       /* Output Enable 5 6 7 */
676 #define SICR_OE24  0x00004000       /* Output Enable 2 4 */
677 #define SICR_OE13  0x00002000       /* Output Enable 1 3 */
678 #define SICR_IE    0x00001000       /* Input Enable */
679 #define SICR_EXT   0x00000000       /* SIA MUX Select External SIA Mode */
680 #define SICR_D_SIA 0x00000400       /* SIA MUX Select Diagnostics - SIA Sigs */
681 #define SICR_DPLL  0x00000800       /* SIA MUX Select Diagnostics - DPLL Sigs*/
682 #define SICR_APLL  0x00000a00       /* SIA MUX Select Diagnostics - DPLL Sigs*/
683 #define SICR_D_RxM 0x00000c00       /* SIA MUX Select Diagnostics - RxM Sigs */
684 #define SICR_M_RxM 0x00000d00       /* SIA MUX Select Diagnostics - RxM Sigs */
685 #define SICR_LNKT  0x00000e00       /* SIA MUX Select Diagnostics - Link Test*/
686 #define SICR_SEL   0x00000f00       /* SIA MUX Select AUI or TP with LEDs */
687 #define SICR_ASE   0x00000080       /* APLL Start Enable*/
688 #define SICR_SIM   0x00000040       /* Serial Interface Input Multiplexer */
689 #define SICR_ENI   0x00000020       /* Encoder Input Multiplexer */
690 #define SICR_EDP   0x00000010       /* SIA PLL External Input Enable */
691 #define SICR_AUI   0x00000008       /* 10Base-T (0) or AUI (1) */
692 #define SICR_CAC   0x00000004       /* CSR Auto Configuration */
693 #define SICR_PS    0x00000002       /* Pin AUI/TP Selection */
694 #define SICR_SRL   0x00000001       /* SIA Reset */
695 #define SIA_RESET  0x00000000       /* SIA Reset Value */
696 
697 /*
698 ** SIA Transmit and Receive Register (DE4X5_STRR)
699 */
700 #define STRR_TAS   0x00008000       /* 10Base-T/AUI Autosensing Enable */
701 #define STRR_SPP   0x00004000       /* Set Polarity Plus */
702 #define STRR_APE   0x00002000       /* Auto Polarity Enable */
703 #define STRR_LTE   0x00001000       /* Link Test Enable */
704 #define STRR_SQE   0x00000800       /* Signal Quality Enable */
705 #define STRR_CLD   0x00000400       /* Collision Detect Enable */
706 #define STRR_CSQ   0x00000200       /* Collision Squelch Enable */
707 #define STRR_RSQ   0x00000100       /* Receive Squelch Enable */
708 #define STRR_ANE   0x00000080       /* Auto Negotiate Enable */
709 #define STRR_HDE   0x00000040       /* Half Duplex Enable */
710 #define STRR_CPEN  0x00000030       /* Compensation Enable */
711 #define STRR_LSE   0x00000008       /* Link Pulse Send Enable */
712 #define STRR_DREN  0x00000004       /* Driver Enable */
713 #define STRR_LBK   0x00000002       /* Loopback Enable */
714 #define STRR_ECEN  0x00000001       /* Encoder Enable */
715 #define STRR_RESET 0xffffffff       /* Reset value for STRR */
716 
717 /*
718 ** SIA General Register (DE4X5_SIGR)
719 */
720 #define SIGR_RMI   0x40000000       /* Receive Match Interrupt */
721 #define SIGR_GI1   0x20000000       /* General Port Interrupt 1 */
722 #define SIGR_GI0   0x10000000       /* General Port Interrupt 0 */
723 #define SIGR_CWE   0x08000000       /* Control Write Enable */
724 #define SIGR_RME   0x04000000       /* Receive Match Enable */
725 #define SIGR_GEI1  0x02000000       /* GEP Interrupt Enable on Port 1 */
726 #define SIGR_GEI0  0x01000000       /* GEP Interrupt Enable on Port 0 */
727 #define SIGR_LGS3  0x00800000       /* LED/GEP3 Select */
728 #define SIGR_LGS2  0x00400000       /* LED/GEP2 Select */
729 #define SIGR_LGS1  0x00200000       /* LED/GEP1 Select */
730 #define SIGR_LGS0  0x00100000       /* LED/GEP0 Select */
731 #define SIGR_MD    0x000f0000       /* General Purpose Mode and Data */
732 #define SIGR_LV2   0x00008000       /* General Purpose LED2 value */
733 #define SIGR_LE2   0x00004000       /* General Purpose LED2 enable */
734 #define SIGR_FRL   0x00002000       /* Force Receiver Low */
735 #define SIGR_DPST  0x00001000       /* PLL Self Test Start */
736 #define SIGR_LSD   0x00000800       /* LED Stretch Disable */
737 #define SIGR_FLF   0x00000400       /* Force Link Fail */
738 #define SIGR_FUSQ  0x00000200       /* Force Unsquelch */
739 #define SIGR_TSCK  0x00000100       /* Test Clock */
740 #define SIGR_LV1   0x00000080       /* General Purpose LED1 value */
741 #define SIGR_LE1   0x00000040       /* General Purpose LED1 enable */
742 #define SIGR_RWR   0x00000020       /* Receive Watchdog Release */
743 #define SIGR_RWD   0x00000010       /* Receive Watchdog Disable */
744 #define SIGR_ABM   0x00000008       /* BNC: 0,  AUI:1 */
745 #define SIGR_JCK   0x00000004       /* Jabber Clock */
746 #define SIGR_HUJ   0x00000002       /* Host Unjab */
747 #define SIGR_JBD   0x00000001       /* Jabber Disable */
748 #define SIGR_RESET 0xffff0000       /* Reset value for SIGR */
749 
750 /*
751 ** Receive Descriptor Bit Summary
752 */
753 #define R_OWN      0x80000000       /* Own Bit */
754 #define RD_FF      0x40000000       /* Filtering Fail */
755 #define RD_FL      0x3fff0000       /* Frame Length */
756 #define RD_ES      0x00008000       /* Error Summary */
757 #define RD_LE      0x00004000       /* Length Error */
758 #define RD_DT      0x00003000       /* Data Type */
759 #define RD_RF      0x00000800       /* Runt Frame */
760 #define RD_MF      0x00000400       /* Multicast Frame */
761 #define RD_FS      0x00000200       /* First Descriptor */
762 #define RD_LS      0x00000100       /* Last Descriptor */
763 #define RD_TL      0x00000080       /* Frame Too Long */
764 #define RD_CS      0x00000040       /* Collision Seen */
765 #define RD_FT      0x00000020       /* Frame Type */
766 #define RD_RJ      0x00000010       /* Receive Watchdog */
767 #define RD_RE      0x00000008       /* Report on MII Error */
768 #define RD_DB      0x00000004       /* Dribbling Bit */
769 #define RD_CE      0x00000002       /* CRC Error */
770 #define RD_OF      0x00000001       /* Overflow */
771 
772 #define RD_RER     0x02000000       /* Receive End Of Ring */
773 #define RD_RCH     0x01000000       /* Second Address Chained */
774 #define RD_RBS2    0x003ff800       /* Buffer 2 Size */
775 #define RD_RBS1    0x000007ff       /* Buffer 1 Size */
776 
777 /*
778 ** Transmit Descriptor Bit Summary
779 */
780 #define T_OWN      0x80000000       /* Own Bit */
781 #define TD_ES      0x00008000       /* Error Summary */
782 #define TD_TO      0x00004000       /* Transmit Jabber Time-Out */
783 #define TD_LO      0x00000800       /* Loss Of Carrier */
784 #define TD_NC      0x00000400       /* No Carrier */
785 #define TD_LC      0x00000200       /* Late Collision */
786 #define TD_EC      0x00000100       /* Excessive Collisions */
787 #define TD_HF      0x00000080       /* Heartbeat Fail */
788 #define TD_CC      0x00000078       /* Collision Counter */
789 #define TD_LF      0x00000004       /* Link Fail */
790 #define TD_UF      0x00000002       /* Underflow Error */
791 #define TD_DE      0x00000001       /* Deferred */
792 
793 #define TD_IC      0x80000000       /* Interrupt On Completion */
794 #define TD_LS      0x40000000       /* Last Segment */
795 #define TD_FS      0x20000000       /* First Segment */
796 #define TD_FT1     0x10000000       /* Filtering Type */
797 #define TD_SET     0x08000000       /* Setup Packet */
798 #define TD_AC      0x04000000       /* Add CRC Disable */
799 #define TD_TER     0x02000000       /* Transmit End Of Ring */
800 #define TD_TCH     0x01000000       /* Second Address Chained */
801 #define TD_DPD     0x00800000       /* Disabled Padding */
802 #define TD_FT0     0x00400000       /* Filtering Type */
803 #define TD_TBS2    0x003ff800       /* Buffer 2 Size */
804 #define TD_TBS1    0x000007ff       /* Buffer 1 Size */
805 
806 #define PERFECT_F  0x00000000
807 #define HASH_F     TD_FT0
808 #define INVERSE_F  TD_FT1
809 #define HASH_O_F   (TD_FT1 | TD_F0)
810 
811 /*
812 ** Media / mode state machine definitions
813 ** User selectable:
814 */
815 #define TP              0x0040     /* 10Base-T (now equiv to _10Mb)        */
816 #define TP_NW           0x0002     /* 10Base-T with Nway                   */
817 #define BNC             0x0004     /* Thinwire                             */
818 #define AUI             0x0008     /* Thickwire                            */
819 #define BNC_AUI         0x0010     /* BNC/AUI on DC21040 indistinguishable */
820 #define _10Mb           0x0040     /* 10Mb/s Ethernet                      */
821 #define _100Mb          0x0080     /* 100Mb/s Ethernet                     */
822 #define AUTO            0x4000     /* Auto sense the media or speed        */
823 
824 /*
825 ** Internal states
826 */
827 #define NC              0x0000     /* No Connection                        */
828 #define ANS             0x0020     /* Intermediate AutoNegotiation State   */
829 #define SPD_DET         0x0100     /* Parallel speed detection             */
830 #define INIT            0x0200     /* Initial state                        */
831 #define EXT_SIA         0x0400     /* External SIA for motherboard chip    */
832 #define ANS_SUSPECT     0x0802     /* Suspect the ANS (TP) port is down    */
833 #define TP_SUSPECT      0x0803     /* Suspect the TP port is down          */
834 #define BNC_AUI_SUSPECT 0x0804     /* Suspect the BNC or AUI port is down  */
835 #define EXT_SIA_SUSPECT 0x0805     /* Suspect the EXT SIA port is down     */
836 #define BNC_SUSPECT     0x0806     /* Suspect the BNC port is down         */
837 #define AUI_SUSPECT     0x0807     /* Suspect the AUI port is down         */
838 #define MII             0x1000     /* MII on the 21143                     */
839 
840 #define TIMER_CB        0x80000000 /* Timer callback detection             */
841 
842 /*
843 ** DE4X5 DEBUG Options
844 */
845 #define DEBUG_NONE      0x0000     /* No DEBUG messages */
846 #define DEBUG_VERSION   0x0001     /* Print version message */
847 #define DEBUG_MEDIA     0x0002     /* Print media messages */
848 #define DEBUG_TX        0x0004     /* Print TX (queue_pkt) messages */
849 #define DEBUG_RX        0x0008     /* Print RX (de4x5_rx) messages */
850 #define DEBUG_SROM      0x0010     /* Print SROM messages */
851 #define DEBUG_MII       0x0020     /* Print MII messages */
852 #define DEBUG_OPEN      0x0040     /* Print de4x5_open() messages */
853 #define DEBUG_CLOSE     0x0080     /* Print de4x5_close() messages */
854 #define DEBUG_PCICFG    0x0100
855 #define DEBUG_ALL       0x01ff
856 
857 /*
858 ** Miscellaneous
859 */
860 #define PCI  0
861 #define EISA 1
862 
863 #define HASH_TABLE_LEN   512       /* Bits */
864 #define HASH_BITS        0x01ff    /* 9 LS bits */
865 
866 #define SETUP_FRAME_LEN  192       /* Bytes */
867 #define IMPERF_PA_OFFSET 156       /* Bytes */
868 
869 #define POLL_DEMAND          1
870 
871 #define LOST_MEDIA_THRESHOLD 3
872 
873 #define MASK_INTERRUPTS      1
874 #define UNMASK_INTERRUPTS    0
875 
876 #define DE4X5_STRLEN         8
877 
878 #define DE4X5_INIT           0     /* Initialisation time */
879 #define DE4X5_RUN            1     /* Run time */
880 
881 #define DE4X5_SAVE_STATE     0
882 #define DE4X5_RESTORE_STATE  1
883 
884 /*
885 ** Address Filtering Modes
886 */
887 #define PERFECT              0     /* 16 perfect physical addresses */
888 #define HASH_PERF            1     /* 1 perfect, 512 multicast addresses */
889 #define PERFECT_REJ          2     /* Reject 16 perfect physical addresses */
890 #define ALL_HASH             3     /* Hashes all physical & multicast addrs */
891 
892 #define ALL                  0     /* Clear out all the setup frame */
893 #define PHYS_ADDR_ONLY       1     /* Update the physical address only */
894 
895 /*
896 ** Adapter state
897 */
898 #define INITIALISED          0     /* After h/w initialised and mem alloc'd */
899 #define CLOSED               1     /* Ready for opening */
900 #define OPEN                 2     /* Running */
901 
902 /*
903 ** Various wait times
904 */
905 #define PDET_LINK_WAIT    1200    /* msecs to wait for link detect bits     */
906 #define ANS_FINISH_WAIT   1000    /* msecs to wait for link detect bits     */
907 
908 /*
909 ** IEEE OUIs for various PHY vendor/chip combos - Reg 2 values only. Since
910 ** the vendors seem split 50-50 on how to calculate the OUI register values
911 ** anyway, just reading Reg2 seems reasonable for now [see de4x5_get_oui()].
912 */
913 #define NATIONAL_TX 0x2000
914 #define BROADCOM_T4 0x03e0
915 #define SEEQ_T4     0x0016
916 #define CYPRESS_T4  0x0014
917 
918 /*
919 ** Speed Selection stuff
920 */
921 #define SET_10Mb {\
922   if ((lp->phy[lp->active].id) && (!lp->useSROM || lp->useMII)) {\
923     omr = inl(DE4X5_OMR) & ~(OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX);\
924     if ((lp->tmp != MII_SR_ASSC) || (lp->autosense != AUTO)) {\
925       mii_wr(MII_CR_10|(lp->fdx?MII_CR_FDM:0), MII_CR, lp->phy[lp->active].addr, DE4X5_MII);\
926     }\
927     omr |= ((lp->fdx ? OMR_FDX : 0) | OMR_TTM);\
928     outl(omr, DE4X5_OMR);\
929     if (!lp->useSROM) lp->cache.gep = 0;\
930   } else if (lp->useSROM && !lp->useMII) {\
931     omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
932     omr |= (lp->fdx ? OMR_FDX : 0);\
933     outl(omr | (lp->infoblock_csr6 & ~(OMR_SCR | OMR_HBD)), DE4X5_OMR);\
934   } else {\
935     omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
936     omr |= (lp->fdx ? OMR_FDX : 0);\
937     outl(omr | OMR_SDP | OMR_TTM, DE4X5_OMR);\
938     lp->cache.gep = (lp->fdx ? 0 : GEP_FDXD);\
939     gep_wr(lp->cache.gep, dev);\
940   }\
941 }
942 
943 #define SET_100Mb {\
944   if ((lp->phy[lp->active].id) && (!lp->useSROM || lp->useMII)) {\
945     int fdx=0;\
946     if (lp->phy[lp->active].id == NATIONAL_TX) {\
947         mii_wr(mii_rd(0x18, lp->phy[lp->active].addr, DE4X5_MII) & ~0x2000,\
948                       0x18, lp->phy[lp->active].addr, DE4X5_MII);\
949     }\
950     omr = inl(DE4X5_OMR) & ~(OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX);\
951     sr = mii_rd(MII_SR, lp->phy[lp->active].addr, DE4X5_MII);\
952     if (!(sr & MII_ANA_T4AM) && lp->fdx) fdx=1;\
953     if ((lp->tmp != MII_SR_ASSC) || (lp->autosense != AUTO)) {\
954       mii_wr(MII_CR_100|(fdx?MII_CR_FDM:0), MII_CR, lp->phy[lp->active].addr, DE4X5_MII);\
955     }\
956     if (fdx) omr |= OMR_FDX;\
957     outl(omr, DE4X5_OMR);\
958     if (!lp->useSROM) lp->cache.gep = 0;\
959   } else if (lp->useSROM && !lp->useMII) {\
960     omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
961     omr |= (lp->fdx ? OMR_FDX : 0);\
962     outl(omr | lp->infoblock_csr6, DE4X5_OMR);\
963   } else {\
964     omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
965     omr |= (lp->fdx ? OMR_FDX : 0);\
966     outl(omr | OMR_SDP | OMR_PS | OMR_HBD | OMR_PCS | OMR_SCR, DE4X5_OMR);\
967     lp->cache.gep = (lp->fdx ? 0 : GEP_FDXD) | GEP_MODE;\
968     gep_wr(lp->cache.gep, dev);\
969   }\
970 }
971 
972 /* FIX ME so I don't jam 10Mb networks */
973 #define SET_100Mb_PDET {\
974   if ((lp->phy[lp->active].id) && (!lp->useSROM || lp->useMII)) {\
975     mii_wr(MII_CR_100|MII_CR_ASSE, MII_CR, lp->phy[lp->active].addr, DE4X5_MII);\
976     omr = (inl(DE4X5_OMR) & ~(OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
977     outl(omr, DE4X5_OMR);\
978   } else if (lp->useSROM && !lp->useMII) {\
979     omr = (inl(DE4X5_OMR) & ~(OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
980     outl(omr, DE4X5_OMR);\
981   } else {\
982     omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
983     outl(omr | OMR_SDP | OMR_PS | OMR_HBD | OMR_PCS, DE4X5_OMR);\
984     lp->cache.gep = (GEP_FDXD | GEP_MODE);\
985     gep_wr(lp->cache.gep, dev);\
986   }\
987 }
988 
989 /*
990 ** Include the IOCTL stuff
991 */
992 #include <linux/sockios.h>
993 
994 struct de4x5_ioctl {
995 	unsigned short cmd;                /* Command to run */
996 	unsigned short len;                /* Length of the data buffer */
997 	unsigned char  __user *data;       /* Pointer to the data buffer */
998 };
999 
1000 /*
1001 ** Recognised commands for the driver
1002 */
1003 #define DE4X5_GET_HWADDR	0x01 /* Get the hardware address */
1004 #define DE4X5_SET_HWADDR	0x02 /* Set the hardware address */
1005 /* 0x03 and 0x04 were used before and are obsoleted now. Don't use them. */
1006 #define DE4X5_SAY_BOO	        0x05 /* Say "Boo!" to the kernel log file */
1007 #define DE4X5_GET_MCA   	0x06 /* Get a multicast address */
1008 #define DE4X5_SET_MCA   	0x07 /* Set a multicast address */
1009 #define DE4X5_CLR_MCA    	0x08 /* Clear a multicast address */
1010 #define DE4X5_MCA_EN    	0x09 /* Enable a multicast address group */
1011 #define DE4X5_GET_STATS  	0x0a /* Get the driver statistics */
1012 #define DE4X5_CLR_STATS 	0x0b /* Zero out the driver statistics */
1013 #define DE4X5_GET_OMR           0x0c /* Get the OMR Register contents */
1014 #define DE4X5_SET_OMR           0x0d /* Set the OMR Register contents */
1015 #define DE4X5_GET_REG           0x0e /* Get the DE4X5 Registers */
1016 
1017 #define MOTO_SROM_BUG    (lp->active == 8 && (get_unaligned_le32(dev->dev_addr) & 0x00ffffff) == 0x3e0008)
1018