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** Booleans
897*/
898#define NO                   0
899#define FALSE                0
900
901#define YES                  ~0
902#define TRUE                 ~0
903
904/*
905** Adapter state
906*/
907#define INITIALISED          0     /* After h/w initialised and mem alloc'd */
908#define CLOSED               1     /* Ready for opening */
909#define OPEN                 2     /* Running */
910
911/*
912** Various wait times
913*/
914#define PDET_LINK_WAIT    1200    /* msecs to wait for link detect bits     */
915#define ANS_FINISH_WAIT   1000    /* msecs to wait for link detect bits     */
916
917/*
918** IEEE OUIs for various PHY vendor/chip combos - Reg 2 values only. Since
919** the vendors seem split 50-50 on how to calculate the OUI register values
920** anyway, just reading Reg2 seems reasonable for now [see de4x5_get_oui()].
921*/
922#define NATIONAL_TX 0x2000
923#define BROADCOM_T4 0x03e0
924#define SEEQ_T4     0x0016
925#define CYPRESS_T4  0x0014
926
927/*
928** Speed Selection stuff
929*/
930#define SET_10Mb {\
931  if ((lp->phy[lp->active].id) && (!lp->useSROM || lp->useMII)) {\
932    omr = inl(DE4X5_OMR) & ~(OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX);\
933    if ((lp->tmp != MII_SR_ASSC) || (lp->autosense != AUTO)) {\
934      mii_wr(MII_CR_10|(lp->fdx?MII_CR_FDM:0), MII_CR, lp->phy[lp->active].addr, DE4X5_MII);\
935    }\
936    omr |= ((lp->fdx ? OMR_FDX : 0) | OMR_TTM);\
937    outl(omr, DE4X5_OMR);\
938    if (!lp->useSROM) lp->cache.gep = 0;\
939  } else if (lp->useSROM && !lp->useMII) {\
940    omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
941    omr |= (lp->fdx ? OMR_FDX : 0);\
942    outl(omr | (lp->infoblock_csr6 & ~(OMR_SCR | OMR_HBD)), DE4X5_OMR);\
943  } else {\
944    omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
945    omr |= (lp->fdx ? OMR_FDX : 0);\
946    outl(omr | OMR_SDP | OMR_TTM, DE4X5_OMR);\
947    lp->cache.gep = (lp->fdx ? 0 : GEP_FDXD);\
948    gep_wr(lp->cache.gep, dev);\
949  }\
950}
951
952#define SET_100Mb {\
953  if ((lp->phy[lp->active].id) && (!lp->useSROM || lp->useMII)) {\
954    int fdx=0;\
955    if (lp->phy[lp->active].id == NATIONAL_TX) {\
956        mii_wr(mii_rd(0x18, lp->phy[lp->active].addr, DE4X5_MII) & ~0x2000,\
957                      0x18, lp->phy[lp->active].addr, DE4X5_MII);\
958    }\
959    omr = inl(DE4X5_OMR) & ~(OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX);\
960    sr = mii_rd(MII_SR, lp->phy[lp->active].addr, DE4X5_MII);\
961    if (!(sr & MII_ANA_T4AM) && lp->fdx) fdx=1;\
962    if ((lp->tmp != MII_SR_ASSC) || (lp->autosense != AUTO)) {\
963      mii_wr(MII_CR_100|(fdx?MII_CR_FDM:0), MII_CR, lp->phy[lp->active].addr, DE4X5_MII);\
964    }\
965    if (fdx) omr |= OMR_FDX;\
966    outl(omr, DE4X5_OMR);\
967    if (!lp->useSROM) lp->cache.gep = 0;\
968  } else if (lp->useSROM && !lp->useMII) {\
969    omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
970    omr |= (lp->fdx ? OMR_FDX : 0);\
971    outl(omr | lp->infoblock_csr6, DE4X5_OMR);\
972  } else {\
973    omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
974    omr |= (lp->fdx ? OMR_FDX : 0);\
975    outl(omr | OMR_SDP | OMR_PS | OMR_HBD | OMR_PCS | OMR_SCR, DE4X5_OMR);\
976    lp->cache.gep = (lp->fdx ? 0 : GEP_FDXD) | GEP_MODE;\
977    gep_wr(lp->cache.gep, dev);\
978  }\
979}
980
981/* FIX ME so I don't jam 10Mb networks */
982#define SET_100Mb_PDET {\
983  if ((lp->phy[lp->active].id) && (!lp->useSROM || lp->useMII)) {\
984    mii_wr(MII_CR_100|MII_CR_ASSE, MII_CR, lp->phy[lp->active].addr, DE4X5_MII);\
985    omr = (inl(DE4X5_OMR) & ~(OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
986    outl(omr, DE4X5_OMR);\
987  } else if (lp->useSROM && !lp->useMII) {\
988    omr = (inl(DE4X5_OMR) & ~(OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
989    outl(omr, DE4X5_OMR);\
990  } else {\
991    omr = (inl(DE4X5_OMR) & ~(OMR_PS | OMR_HBD | OMR_TTM | OMR_PCS | OMR_SCR | OMR_FDX));\
992    outl(omr | OMR_SDP | OMR_PS | OMR_HBD | OMR_PCS, DE4X5_OMR);\
993    lp->cache.gep = (GEP_FDXD | GEP_MODE);\
994    gep_wr(lp->cache.gep, dev);\
995  }\
996}
997
998/*
999** Include the IOCTL stuff
1000*/
1001#include <linux/sockios.h>
1002
1003#define	DE4X5IOCTL	SIOCDEVPRIVATE
1004
1005struct de4x5_ioctl {
1006	unsigned short cmd;                /* Command to run */
1007	unsigned short len;                /* Length of the data buffer */
1008	unsigned char  __user *data;       /* Pointer to the data buffer */
1009};
1010
1011/*
1012** Recognised commands for the driver
1013*/
1014#define DE4X5_GET_HWADDR	0x01 /* Get the hardware address */
1015#define DE4X5_SET_HWADDR	0x02 /* Set the hardware address */
1016#define DE4X5_SET_PROM  	0x03 /* Set Promiscuous Mode */
1017#define DE4X5_CLR_PROM  	0x04 /* Clear Promiscuous Mode */
1018#define DE4X5_SAY_BOO	        0x05 /* Say "Boo!" to the kernel log file */
1019#define DE4X5_GET_MCA   	0x06 /* Get a multicast address */
1020#define DE4X5_SET_MCA   	0x07 /* Set a multicast address */
1021#define DE4X5_CLR_MCA    	0x08 /* Clear a multicast address */
1022#define DE4X5_MCA_EN    	0x09 /* Enable a multicast address group */
1023#define DE4X5_GET_STATS  	0x0a /* Get the driver statistics */
1024#define DE4X5_CLR_STATS 	0x0b /* Zero out the driver statistics */
1025#define DE4X5_GET_OMR           0x0c /* Get the OMR Register contents */
1026#define DE4X5_SET_OMR           0x0d /* Set the OMR Register contents */
1027#define DE4X5_GET_REG           0x0e /* Get the DE4X5 Registers */
1028
1029#define MOTO_SROM_BUG    ((lp->active == 8) && (((le32_to_cpu(get_unaligned(((s32 *)dev->dev_addr))))&0x00ffffff)==0x3e0008))
1030