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 DE4X5_HASH_TABLE_LEN   512       /* Bits */
864  #define DE4X5_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