xref: /titanic_52/usr/src/uts/sun/io/eri/eri_phy.h (revision 2983dda76a6d296fdb560c88114fe41caad1b84f)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1999-2000 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef	_SYS_ERI_PHY_H
28 #define	_SYS_ERI_PHY_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * MII supports a 16-bit register stack of upto 32, addressable through the
38  * MDIO and MDC serial port.
39  */
40 #define	ERI_PHY_BMCR	00	/* Basic Mode Control Register */
41 #define	ERI_PHY_BMSR	01	/* Basic Mode Status Register */
42 #define	ERI_PHY_IDR1	02	/* PHY Identifier Register 1 */
43 #define	ERI_PHY_IDR2	03	/* PHY Identifier Register 2 */
44 #define	ERI_PHY_ANAR	04	/* Auto-Negotiation Advertisement Register */
45 #define	ERI_PHY_ANLPAR	05	/* Auto-Negotiation Link Partner Ability Reg */
46 #define	ERI_PHY_ANER	06	/* Auto-Negotiation Expansion Register */
47 
48 /* Registers 7-15 are reserved for future assignments by MII working group */
49 /* Do not write to these registers */
50 
51 /* Registers 16-17 are reserved for future assignment by Vendor */
52 /* Do not write to these registers */
53 
54 #define	ERI_PHY_DIS	18	/* Disconnect Counter */
55 #define	ERI_PHY_FCSC	19	/* False Carrier Sense Counter */
56 #define	ERI_PHY_NWAYTR	20	/* NWay Test Register */
57 #define	ERI_PHY_REC	21	/* RX_ER Counter */
58 #define	ERI_PHY_SRR	22	/* Silicon Revision Register */
59 #define	ERI_PHY_CSC	23	/* CS Configuration Register */
60 #define	ERI_PHY_LBREMR	24	/* Loopback, Bypass, Receiver Error Mask Reg */
61 #define	ERI_PHY_AR	25	/* PHY Address Register */
62 #define	ERI_PHY_VRES1	26	/* Reserverd for future assignement by vendor */
63 #define	ERI_PHY_TPISR	27	/* 10 Mbps TPI Status Register */
64 #define	ERI_PHY_NICR	28	/* 10 Mbps Network I/F Configuration Register */
65 
66 /* Registers 29-31 are reserved for future assignment by Vendor */
67 /* Do not write to these registers */
68 
69 
70 /* ************************************************************************ */
71 /*  Register 00	 Basic Mode Control Register */
72 
73 #define	PHY_BMCR_RESET	(1 << 15)	/* Reset */
74 #define	PHY_BMCR_LPBK	(1 << 14)	/* Loopback of TXD<3:0> */
75 #define	PHY_BMCR_100M	(1 << 13)	/* Speed selection, 1=100Mbps */
76 #define	PHY_BMCR_ANE	(1 << 12)	/* Auto Negotiation Enable */
77 #define	PHY_BMCR_PWRDN	(1 << 11)	/* Power down */
78 #define	PHY_BMCR_ISOLATE (1 << 10)	/* Isolate PHY from MII */
79 #define	PHY_BMCR_RAN	(1 << 9)	/* Restart Auto Negotiation */
80 #define	PHY_BMCR_FDX	(1 << 8)	/* Full Duplex */
81 #define	PHY_BMCR_COLTST	(1 << 7)	/* Collision Test */
82 #define	PHY_BMCR_RES1	(0x7f << 0)	/* 0-6 Reserved */
83 
84 /* ************************************************************************ */
85 /* Register 01	 Basic Mode Status Register */
86 
87 #define	PHY_BMSR_100T4	(1 << 15)	/* PHY able to perform 100Base-T4 */
88 #define	PHY_BMSR_100FDX	(1 << 14)	/* PHY able to perform 100Base-TX FDX */
89 #define	PHY_BMSR_100HDX	(1 << 13)	/* PHY able to perform 100Base-TX HDX */
90 #define	PHY_BMSR_10FDX	(1 << 12)	/* PHY able to perform 10Base-T FDX */
91 #define	PHY_BMSR_10HDX	(1 << 11)	/* PHY able to perform 10Base-T HDX */
92 #define	PHY_BMSR_RES1	(0x1f << 6)	/* 6-10 reserved */
93 #define	PHY_BMSR_ANC	(1 << 5)	/* Auto Negotiation Completed */
94 #define	PHY_BMSR_REMFLT	(1 << 4)	/* Remote Fault detected */
95 #define	PHY_BMSR_ACFG	(1 << 3)	/* Able to do Auto Link Negotiation */
96 #define	PHY_BMSR_LNKSTS	(1 << 2)	/* Link Status */
97 #define	PHY_BMSR_JABDET	(1 << 1)	/* Jabber Condition Detected */
98 #define	PHY_BMSR_EXTCAP	(1 << 0)	/* Extended Register Capability */
99 
100 #define	PHY_CAPABILITY_MASK (PHY_BMSR_100FDX | PHY_BMSR_100HDX \
101 				| PHY_BMSR_10FDX | PHY_BMSR_10HDX)
102 
103 /* ************************************************************************ */
104 /*
105  * Registers 2 and 3 provide a 32 bit value which is a unique identifier
106  * for a particular type of PHY. A 24-bit Organizationally Unique Identifier
107  * (OUI) is defined with bit 1 as the MSB and bit 24 as the LSB. Bits 3-18 of
108  * the OUI are found in PHY Identifier Register 1 and bits 19-24 are found in
109  * PHY Identifier Register 2.
110  *
111  * The hexadecimal OUI code for NSC is 0x080017 .
112  */
113 /* Register 02	 PHY Identifier Register 1 */
114 
115 /* Register 03	 PHY Identifier Register 2 */
116 
117 #define	PHY_IDR2_OUILSB (0x3f << 10)	/* Bits 19-24 of OUI */
118 #define	PHY_IDR2_VNDMDL (0x3f << 4)	/* vendor Model no. */
119 #define	PHY_IDR2_MDLREV (0xf << 0)	/* Model revision no. */
120 
121 /* ************************************************************************ */
122 /*
123  * Register 04	Auto-Negotiation Advertisement Register (nway1Reg)
124  * This register will hold the different modes of operation to be advertised to
125  * the far-end PHY.
126  */
127 
128 #define	PHY_ANAR_NP	(1 << 15)	/* Next Page bit */
129 #define	PHY_ANAR_ACK	(1 << 14)	/* Acks reception of Link Partner */
130 					/* Capability word  */
131 #define	PHY_ANAR_RF	(1 << 13)	/* Advertise Remote Fault det. cap. */
132 #define	PHY_ANAR_RES1	(0x7 << 10)	/* 10-12 reserved */
133 #define	PHY_ANAR_T4	(1 << 9)	/* Advertise 100Base-T4 Capability */
134 #define	PHY_ANAR_TXFDX	(1 << 8)	/* Advertise 100Base-TX FDX Cap. */
135 #define	PHY_ANAR_TX	(1 << 7)	/* Advertise 100Base-TX Cap. */
136 #define	PHY_ANAR_10FDX	(1 << 6)	/* Advertise 10Base-T FDX Cap. */
137 #define	PHY_ANAR_10	(1 << 5)	/* Advertise 10Base-T Cap. */
138 #define	PHY_ANAR_SELECT	(0x1f << 0)	/* Binary Encoded selector supported */
139 					/* this node. Currently only CSMA/CD */
140 					/* <00001> is specified  */
141 
142 #define	PHY_SELECTOR	1	/* Default selector for CSMA/CD */
143 /*
144  * Priority scheme (from highest to lowest) for Auto Link Negotiation:
145  *	1 - 100Base-TX Full Duplex
146  *	2 - 100Base-T4
147  *	3 - 100Base-TX
148  *	4 - 10Base-T Full Duplex
149  *	5 - 10Base-T
150  */
151 
152 /* ************************************************************************ */
153 /*
154  * Register 05	 Auto-Negotiation Link Partner Ability Reg
155  * This register contains the Link Partners capabilities after NWay
156  * Auto-Negotiation is complete.
157  */
158 
159 #define	PHY_ANLPAR_NP	(1 << 15)	/* Next page Bit */
160 #define	PHY_ANLPAR_ACK	(1 << 14)	/* Link Partner acks reception of our */
161 					/* capability data word  */
162 #define	PHY_ANLPAR_RF	(1 << 13)	/* LP indicates Remote fault */
163 #define	PHY_ANLPAR_RES1	(0x7 << 10)	/* 10-12 reserved */
164 #define	PHY_ANLPAR_T4 	(1 << 9)	/* 100Base-T4 supported by LP */
165 #define	PHY_ANLPAR_TXFDX (1 << 8)	/* 100Base-TX FDX supp. by LP */
166 #define	PHY_ANLPAR_TX	(1 << 7)	/* 100Base-TX supp. by LP */
167 #define	PHY_ANLPAR_10FDX (1 << 6)	/* 10Base-T FDX supp. by LP */
168 #define	PHY_ANLPAR_10	(1 << 5)	/* 10Base-T supp. by LP */
169 #define	PHY_ANLPAR_SELECT (0x1f << 0)	/* LP's binary encoded node selector */
170 					/* Currently only CSMA/CD is <00001> */
171 					/* is specified  */
172 
173 /* ************************************************************************ */
174 /*
175  * Register 06	 Auto-Negotiation Expansion Register
176  * This register contains additional status for NWay Auto-Negotiation
177  */
178 
179 #define	PHY_ANER_RES1	(0x7ff << 5)	/* 5-15 reserved */
180 #define	PHY_ANER_MLF	(1 << 4)	/* Multiple Link faults occured */
181 #define	PHY_ANER_LPNP	(1 << 3)	/* LP supports Next Page negotiation */
182 #define	PHY_ANER_NPABLE	(1 << 2)	/* This node can send additional */
183 				/* Next Pages. Should be 0 for DP83840  */
184 #define	PHY_ANER_PAGERX	(1 << 1)	/* new LINK Code Word Page recvd. */
185 #define	PHY_ANER_LPNW	(1 << 0)	/* LP supports NWay Auto-negotiation */
186 
187 
188 /* ************************************************************************ */
189 
190 /* Registers 7-15 are reserved for future assignments by MII working group */
191 /* Do not write to these registers */
192 
193 /* DP83840 - 10/100 Mbps Physical layer from National semiconductor */
194 /* Registers 16-17 are reserved for future assignment by Vendor */
195 /* Do not write to these registers */
196 
197 /* ************************************************************************ */
198 
199 /*
200  * Register 18	 Disconnect Counter
201  * This 16-bit counter is incremented for every disconnect event. It rolls over
202  * when full.
203  */
204 
205 /* ************************************************************************ */
206 /*
207  * Register 19	 False Carrier Sense Counter
208  * This 16-bit counter is incremented for each false carrier event (i.e. carrier
209  * assertion without JK detect). It freezes when full.
210  */
211 
212 /* ************************************************************************ */
213 /*
214  * Register 20	 NWay Test Register
215  */
216 #define	PHY_NWAYTR_RES1	(0xff << 8)	/* 8-15 reserved */
217 #define	PHY_NWAYTR_LPBK	(1 << 7)	/* Puts NWay into Loopback mode */
218 #define	PHY_NWAYTR_RES2	(0x7f << 0)	/* 0-6 reserved */
219 
220 /* ************************************************************************ */
221 /*
222  * Register 21	 RX_ER Counter
223  * This 16-bit counter is incremented once per valid packet (i.e. no collision
224  * occured during packet reception), if there is one or more receive error
225  * condition during the packet reception. The counter is incremented at the end
226  * of the packet reception.
227  */
228 
229 /* ************************************************************************ */
230 /*
231  * Register 22	 Silicon Revision Register
232  * Contains information on silicon revision
233  * This register will be incremented for any change made to the device.
234  */
235 /* ************************************************************************ */
236 /*
237  * Register 23	 CS Configuration Register
238  */
239 
240 #define	PHY_CSCR_NRZIDIS (1 << 15)	/* NRZI disabled (for FDDI) */
241 #define	PHY_CSCR_RES1	(1 << 14)	/* reserved */
242 #define	PHY_CSCR_TOCDIS	(1 << 13)	/* disable Timeout counter */
243 					/* in descrambler  */
244 #define	PHY_CSCR_REPTR	(1 << 12)	/* Mode1: Node = 0, repeater = 1 */
245 #define	PHY_CSCR_ENCSEL	(1 << 11)	/* encoder: 0 = MLT-3, 1 = binary */
246 #define	PHY_CSCR_RES2	(0x7 << 8)	/* 8-10 reserved */
247 #define	PHY_CSCR_CLK25M	(1 << 7)	/* Tristates CLK25M */
248 #define	PHY_CSCR_FLN100	(1 << 6)	/* 0 = force good link in 100Mbps */
249 #define	PHY_CSCR_FCONN	(1 << 5)	/* 1 = bypass disconnect function */
250 #define	PHY_CSCR_TXOFF	(1 << 4)	/* 1 = Pulls TD from phaser ckt low */
251 #define	PHY_CSCR_RES3	(1 << 3)	/* reserved */
252 #define	PHY_CSCR_CSTSEN	(1 << 2)	/* LED1 pin for connection status */
253 #define	PHY_CSCR_10FDXE	(1 << 1)	/* LED4 pin for 10Base-T FDX */
254 #define	PHY_CSCR_RES4	(1 << 0)	/* reserved */
255 
256 /* ************************************************************************ */
257 /*
258  * Register 24	 Loopback, Bypass, Receiver Error Mask Reg
259  * The high byte of this register configures the DP83840 whilst its low byte
260  * programs the receive error types to be reported in real time as a HEX code
261  * across the MII RXD<3:0> interface.
262  */
263 
264 #define	PHY_LBREMR_BPEB	(1 << 15)	/* Bypass Elasticity buffer */
265 #define	PHY_LBREMR_BP4B5B (1 << 14)	/* Bypass 4B5B and 5B4B encoder */
266 #define	PHY_LBREMR_BPSCR (1 << 13)	/* Bypass scrambler/descrambler */
267 #define	PHY_LBREMR_BPALIGN (1 << 12)	/* Bypass symbol alignment ckt */
268 #define	PHY_LBREMR_EWRAP (1 << 11)	/* 10Base-T ENDEC Loopback */
269 #define	PHY_LBREMR_XWRAP (1 << 10)	/* 10Base-T Transceiver loopback */
270 #define	PHY_LBREMR_LB	(0x3 << 8)	/* Twister and remote loopback */
271 #define	PHY_LBREMR_RES1	(0x7 << 5)	/* Reserved */
272 #define	PHY_LBREMR_CODE	(1 << 4)	/* Report det. of Code Error */
273 #define	PHY_LBREMR_PME	(1 << 3)	/* Report det. of Pre-mature End err */
274 #define	PHY_LBREMR_LINK	(1 << 2)	/* Report det. of Link Error */
275 #define	PHY_LBREMR_PKT	(1 << 1)	/* Report det. of Packet error */
276 #define	PHY_LBREMR_EB	(1 << 0)	/* Report det. of Elasticty buf err */
277 
278 /* ************************************************************************ */
279 /*
280  * Register 25	 PHY Address Register
281  */
282 
283 #define	PHY_AR_RES1	(0x1ff << 7)	/* reserved */
284 #define	PHY_AR_SPEED10	(1 << 6)	/* speed : 1 = 10 Mbps, 0 - 100 Mbps */
285 #define	PHY_AR_CONSTS	(1 << 5)	/* status of the disconnect function */
286 #define	PHY_AR_ADDR	(0x1f << 0)	/* PHY Address */
287 
288 /*
289  * The PHYAD<4:0> allow 32 unique PHY addresses. The PHYAD<4:0> share the RX_ER,
290  * PHYAD3, CRS, ENCSEL ald LBEN pins of the PHY. By patching the PHYAD address
291  * pins with a light pull-up or pull-down resistor, the PMD address can be
292  * strobed and stored in these register location during Reset or Power-on reset
293  * time.
294  *
295  * The first PHY address bit transmitted or received is the MSB of the address.
296  * A PHY connected to a station management entity via an interface connector
297  * shall always respond to PHY address < 00000 > . A station management entity
298  * connected to multiple PHY entities must know the appropriate PHY address of
299  * each PHY entity. PHY address should be set to < 00001 > for a single
300  * PHY entity. A PHY address of < 00000 > will cause the Isolate bit 0: < 10 >
301  * to be set to one.
302  */
303 
304 /* ************************************************************************ */
305 /*
306  * Register 26	 Reserverd for future assignement by vendor
307  */
308 
309 /* ************************************************************************ */
310 /*
311  * Register 27	 10 Mbps TPI Status Register
312  */
313 
314 #define	PHY_TPISR_RES1	(0x3f << 10)	/* reserved */
315 #define	PHY_TPISR_10BTSER (1 << 9)	/* 10BASE-T Serial mode */
316 #define	PHY_TPISR_RES2	(0x1ff << 0)	/* reserved */
317 
318 /* ************************************************************************ */
319 /*
320  * Register 28	 10 Mbps Network I/F Configuration Register
321  */
322 
323 #define	PHY_NICR_RES1	(0x3ff << 6)	/* reserved */
324 #define	PHY_NICR_LD	(1 << 5)	/* Link disable */
325 #define	PHY_NICR_HBE	(1 << 4)	/* Enable Heart beat function */
326 #define	PHY_NICR_UTP	(1 << 3)	/* 1 = UTP, 0 = STP */
327 #define	PHY_NICR_LSS	(1 << 2)	/* Low Squelch select */
328 #define	PHY_NICR_RES2	(1 << 1)	/* reserved */
329 #define	PHY_NICR_JBEN	(1 << 0)	/* Enables Jabber function  in FDX */
330 					/* or xwrap mode  */
331 
332 /* ************************************************************************ */
333 
334 /* Registers 29-31 are reserved for future assignment by Vendor */
335 /* Do not write to these registers */
336 
337 /* ************************************************************************ */
338 
339 #ifdef	__cplusplus
340 }
341 #endif
342 
343 #endif	/* _SYS_ERI_PHY_H */
344