xref: /titanic_51/usr/src/uts/common/io/mxfe/mxfe.h (revision 3a1a8936dac0ebe7e956fa122b0b0d15e62d4108)
1 /*
2  * Solaris driver for ethernet cards based on the Macronix 98715
3  *
4  * Copyright (c) 2007 by Garrett D'Amore <garrett@damore.org>.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the author nor the names of any co-contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef	_MXFE_H
33 #define	_MXFE_H
34 
35 #pragma ident	"%Z%%M%	%I%	%E% SMI"
36 
37 /*
38  * These are conveniently defined to have the same values
39  * as are used by the NDD utility, which is an undocumented
40  * interface.  YMMV.
41  */
42 #define	NDIOC	('N' << 8)
43 #define	NDIOC_GET	(NDIOC|0)
44 #define	NDIOC_SET	(NDIOC|1)
45 
46 /*
47  * Registers and values are here, becuase they can be exported to userland
48  * via the MXFEIOC_GETCSR and friends ioctls.  These are private to this
49  * driver and the bundled diagnostic utility, and should not be used by
50  * end user application programs.
51  */
52 
53 /*
54  * MXFE register definitions.
55  */
56 /* PCI configuration registers */
57 #define	PCI_VID		0x00	/* Loaded vendor ID */
58 #define	PCI_DID		0x02	/* Loaded device ID */
59 #define	PCI_CMD		0x04	/* Configuration command register */
60 #define	PCI_STAT	0x06	/* Configuration status register */
61 #define	PCI_RID		0x08	/* Revision ID */
62 #define	PCI_CLS		0x0c	/* Cache line size */
63 #define	PCI_SVID	0x2c	/* Subsystem vendor ID */
64 #define	PCI_SSID	0x2e	/* Subsystem ID */
65 #define	PCI_MINGNT	0x3e	/* Minimum Grant */
66 #define	PCI_MAXLAT	0x3f	/* Maximum latency */
67 
68 /*
69  * Bits for PCI command register.
70  */
71 #define	PCI_CMD_MWIE	0x0010	/* memory write-invalidate enable */
72 #define	PCI_CMD_BME	0x0004	/* bus master enable */
73 #define	PCI_CMD_MAE	0x0002	/* memory access enable */
74 #define	PCI_CMD_IOE	0x0001	/* I/O access enable */
75 
76 /* Ordinary control/status registers */
77 #define	CSR_PAR		0x00	/* PCI access register */
78 #define	CSR_TDR		0x08	/* Transmit demand register */
79 #define	CSR_RDR		0x10	/* Receive demand register */
80 #define	CSR_RDB		0x18	/* Receive descriptor base address */
81 #define	CSR_TDB		0x20	/* Transmit descriptor base address */
82 #define	CSR_SR		0x28	/* Status register */
83 #define	CSR_NAR		0x30	/* Network access register */
84 #define	CSR_IER		0x38	/* Interrupt enable register */
85 #define	CSR_LPC		0x40	/* Lost packet counter */
86 #define	CSR_SPR		0x48	/* Serial port register */
87 #define	CSR_TIMER	0x58	/* Timer */
88 #define	CSR_TSTAT	0x60	/* 10Base-T status */
89 #define	CSR_SIA		0x68	/* SIA reset register */
90 #define	CSR_TCTL	0x70	/* 10Base-T control */
91 #define	CSR_WTMR	0x78	/* Watchdog timer */
92 #define	CSR_MXMAGIC	0x80	/* MXIC magic register */
93 #define	CSR_PMCSR	0x90	/* Power Management Command and Status */
94 #define	CSR_TXBR	0x9c	/* Transmit burst counter/time-out register */
95 #define	CSR_FROM	0xa0	/* Flash(boot) ROM port */
96 #define	CSR_ACOMP	0xa0	/* Autocompensation */
97 #define	CSR_FLOW	0xa8	/* Flow control (newer parts only) */
98 
99 /*
100  * Bits for PCI access register.
101  */
102 #define	PAR_RESET	0x00000001U	/* Reset the entire chip */
103 #define	PAR_MWIE	0x01000000U	/* PCI memory-write-invalidate */
104 #define	PAR_MRLE	0x00800000U	/* PCI memory-read-line */
105 #define	PAR_MRME	0x00200000U	/* PCI memory-read-multiple */
106 #define	PAR_BAR		0x00000002U	/* Bus arbitration */
107 #define	PAR_DESCSKIP	0x0000007cU	/* Descriptor skip length in DW */
108 #define	PAR_BIGENDIAN	0x00000080U	/* Use big endian data buffers */
109 #define	PAR_TXAUTOPOLL	0x00060000U	/* Programmable TX autopoll interval */
110 #define	PAR_CALIGN_NONE	0x00000000U	/* No cache alignment */
111 #define	PAR_CALIGN_8	0x00004000U	/* 8 DW cache alignment */
112 #define	PAR_CALIGN_16	0x00008000U	/* 16 DW cache alignment */
113 #define	PAR_CALIGN_32	0x0000c000U	/* 32 DW cache alignment */
114 #define	PAR_BURSTLEN	0x00003F00U	/* Programmable burst length */
115 #define	PAR_BURSTUNL	0x00000000U	/* Unlimited burst length */
116 #define	PAR_BURST_1	0x00000100U	/* 1 DW burst length */
117 #define	PAR_BURST_2	0x00000200U	/* 2 DW burst length */
118 #define	PAR_BURST_4	0x00000400U	/* 4 DW burst length */
119 #define	PAR_BURST_8	0x00000800U	/* 8 DW burst length */
120 #define	PAR_BURST_16	0x00001000U	/* 16 DW burst length */
121 #define	PAR_BURST_32	0x00002000U	/* 32 DW burst length */
122 
123 /*
124  * Bits for status register.  Interrupt bits are also used by
125  * the interrupt enable register.
126  */
127 #define	SR_BERR_TYPE		0x03800000U	/* bus error type */
128 #define	SR_BERR_PARITY		0x00000000U	/* parity error */
129 #define	SR_BERR_TARGET_ABORT	0x01000000U	/* target abort */
130 #define	SR_BERR_MASTER_ABORT	0x00800000U	/* master abort */
131 #define	SR_TX_STATE		0x00700000U	/* transmit state */
132 #define	SR_RX_STATE		0x000E0000U	/* transmit state */
133 #define	INT_100LINK		0x08000000U	/* 100 Base-T link */
134 #define	INT_NORMAL		0x00010000U	/* normal interrupt */
135 #define	INT_ABNORMAL		0x00008000U	/* abnormal interrupt */
136 #define	INT_EARLYRX		0x00004000U	/* early receive interrupt */
137 #define	INT_BUSERR		0x00002000U	/* fatal bus error interrupt */
138 #define	INT_10LINK		0x00001000U	/* 10 Base-T link */
139 #define	INT_TIMER		0x00000800U	/* onboard timer interrupt */
140 #define	INT_EARLYTX		0x00000400U	/* early transmit interrupt */
141 #define	INT_RXJABBER		0x00000200U	/* receive watchdog timeout */
142 #define	INT_RXSTOPPED		0x00000100U	/* receive stopped */
143 #define	INT_RXNOBUF		0x00000080U	/* no rcv descriptor */
144 #define	INT_RXOK		0x00000040U	/* rcv complete interrupt */
145 #define	INT_TXUNDERFLOW		0x00000020U	/* transmit underflow */
146 #define	INT_ANEG		0x00000010U	/* autonegotiation */
147 #define	INT_TXJABBER		0x00000008U	/* transmit jabber timeout */
148 #define	INT_TXNOBUF		0x00000004U	/* no xmt descriptor */
149 #define	INT_TXSTOPPED		0x00000002U	/* transmit stopped */
150 #define	INT_TXOK		0x00000001U	/* transmit ok interrupt */
151 
152 #define	INT_NONE		0x00000000U	/* no interrupts */
153 #define	INT_WANTED		(INT_BUSERR | INT_RXJABBER | \
154 				INT_RXOK | INT_TXUNDERFLOW | \
155 				INT_RXNOBUF | INT_TXJABBER | \
156 				INT_RXSTOPPED | INT_TXSTOPPED | \
157 				INT_TIMER | \
158 				INT_ABNORMAL | INT_NORMAL)
159 
160 #define	INT_LINKSTATUS		(INT_ANEG | INT_100LINK | INT_10LINK)
161 #define	INT_ALL			(INT_WANTED | INT_TXOK | \
162 				INT_TXNOBUF | INT_LINKSTATUS)
163 
164 /*
165  * Bits for network access register.
166  */
167 #define	NAR_TX_ENABLE	0x00002000U	/* Enable transmit */
168 #define	NAR_RX_MULTI	0x00000080U	/* Receive all multicast packets */
169 #define	NAR_RX_PROMISC	0x00000040U	/* Receive any good packet */
170 #define	NAR_RX_BAD	0x00000008U	/* Pass bad packets */
171 #define	NAR_RX_HO	0x00000004U	/* Hash only receive */
172 #define	NAR_RX_ENABLE	0x00000002U	/* Enable receive */
173 #define	NAR_RX_HP	0x00000001U	/* Hash perfect receive */
174 #define	NAR_TR		0x0000c000U	/* Transmit threshold mask */
175 #define	NAR_TR_72	0x00000000U	/* 72 B (128 @ 100Mbps) tx thresh */
176 #define	NAR_TR_96	0x00004000U	/* 96 B (256 @ 100Mbps) tx thresh */
177 #define	NAR_TR_128	0x00008000U	/* 128 B (512 @ 100Mbps) tx thresh */
178 #define	NAR_TR_160	0x0000c000U	/* 160 B (1K @ 100Mbsp) tx thresh */
179 #define	NAR_SCR		0x01000000U	/* scrambler mode */
180 #define	NAR_PCS		0x00800000U	/* set for forced 100 mbit */
181 #define	NAR_SPEED	0x00400000U	/* transmit threshold, set for 10bt */
182 #define	NAR_SF		0x00200000U	/* store and forward */
183 #define	NAR_HBD		0x00080000U	/* Disable SQE heartbeat */
184 #define	NAR_COE		0x00020000U	/* collision offset enable */
185 #define	NAR_PORTSEL	0x00040000U	/* 1 = 100 mbit */
186 #define	NAR_FDX		0x00000200U	/* 1 = full duplex */
187 
188 /*
189  * Bits for lost packet counter.
190  */
191 #define	LPC_COUNT	0x0000FFFFU	/* Count of missed frames */
192 #define	LPC_OFLOW	0x00010000U	/* Counter overflow bit */
193 
194 /*
195  * Bits for CSR_SPR (MII and SROM access)
196  */
197 #define	SPR_MII_DIN	0x00080000U	/* MII data input */
198 #define	SPR_MII_CTRL	0x00040000U	/* MII management control, 1=read */
199 #define	SPR_MII_DOUT	0x00020000U	/* MII data output */
200 #define	SPR_MII_CLOCK	0x00010000U	/* MII data clock */
201 #define	SPR_SROM_READ	0x00004000U	/* Serial EEPROM read control */
202 #define	SPR_SROM_WRITE	0x00002000U	/* Serial EEPROM write control */
203 #define	SPR_SROM_SEL	0x00000800U	/* Serial EEPROM select */
204 #define	SPR_SROM_DOUT	0x00000008U	/* Serial EEPROM data out */
205 #define	SPR_SROM_DIN	0x00000004U	/* Serial EEPROM data in */
206 #define	SPR_SROM_CLOCK	0x00000002U	/* Serial EEPROM clock */
207 #define	SPR_SROM_CHIP	0x00000001U	/* Serial EEPROM chip select */
208 #define	SROM_ENADDR		0x70	/* Ethernet address pointer! */
209 #define	SROM_READCMD		0x6	/* command to read SROM */
210 
211 /*
212  * Bits for CSR_TIMER
213  */
214 #define	TIMER_LOOP	0x00010000U	/* continuous operating mode */
215 #define	TIMER_USEC	204		/* usecs per timer count */
216 
217 /*
218  * Bits for TSTAT
219  */
220 #define	TSTAT_LPC	0xFFFF0000U	/* link partner's code word */
221 #define	TSTAT_LPN	0x00008000U	/* link partner supports nway */
222 #define	TSTAT_ANS	0x00007000U	/* autonegotiation state mask */
223 #define	TSTAT_TRF	0x00000800U	/* transmit remote fault */
224 #define	TSTAT_APS	0x00000008U	/* autopolarity state */
225 #define	TSTAT_10F	0x00000004U	/* 10Base-T link failure */
226 #define	TSTAT_100F	0x00000002U	/* 100Base-T link failure */
227 #define	TSTAT_ANS_DIS	0x00000000U	/* autonegotiation disabled */
228 #define	TSTAT_ANS_OK	0x00005000U	/* autonegotiation complete */
229 #define	TSTAT_ANS_START	0x00001000U	/* restart autonegotiation */
230 
231 /* macro to convert TSTAT link partner's code word to MII equivalents */
232 #define	TSTAT_LPAR(x)	((x & TSTAT_LPC) >> 16)
233 
234 /*
235  * Bits for SIA reset
236  */
237 #define	SIA_RESET	0x00000001U	/* reset 100 PHY */
238 #define	SIA_NRESET	0x00000002U	/* reset NWay */
239 
240 /*
241  * Bits for TCTL
242  */
243 #define	TCTL_PAUSE	0x00080000U	/* Pause enable */
244 #define	TCTL_100BT4	0x00040000U	/* 100 BaseT4 enable */
245 #define	TCTL_100FDX	0x00020000U	/* 100 BaseT fdx enable */
246 #define	TCTL_100HDX	0x00010000U	/* 100 BaseT hdx enable */
247 #define	TCTL_LTE	0x00001000U	/* link test enable */
248 #define	TCTL_RSQ	0x00000100U	/* receive squelch enable */
249 #define	TCTL_ANE	0x00000080U	/* autoneg. enable */
250 #define	TCTL_HDX	0x00000040U	/* half-duplex enable */
251 #define	TCTL_PWR	0x00000004U	/* supply power to 10BaseT */
252 
253 /*
254  * Bits for flow control
255  */
256 #define	FLOW_TMVAL		0xffff0000U	/* flow timer value */
257 #define	FLOW_TEST		0x00008000U	/* test flow control timer */
258 #define	FLOW_RESTART		0x00004000U	/* re-start mode */
259 #define	FLOW_RESTOP		0x00002000U	/* re-stop mode */
260 #define	FLOW_TXFCEN		0x00001000U	/* tx flow control enable */
261 #define	FLOW_RXFCEN		0x00000800U	/* rx flow control enable */
262 #define	FLOW_RUFCEN		0x00000400U	/* send pause when rxnobuf */
263 #define	FLOW_STOPTX		0x00000200U	/* tx flow status */
264 #define	FLOW_REJECTFC		0x00000100U	/* abort rx flow when set */
265 #define	FLOW_RXFCTH1		0x00000080U	/* rx flow threshold 1 */
266 #define	FLOW_RXFCTH0		0x00000040U	/* rx flow threshold 0 */
267 #define	FLOW_NFCEN		0x00000020U	/* accept nway flow control */
268 
269 
270 #endif	/* _MXFE_H */
271