1 /*
2  * (C) Copyright 2005 Tundra Semiconductor Corp.
3  * Kong Lai, <kong.lai@tundra.com).
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, see <http://www.gnu.org/licenses/>.
20  */
21 
22 /*
23  * net/tsi108_eth.h - definitions for Tsi108 GIGE network controller.
24  */
25 
26 #ifndef __TSI108_ETH_H
27 #define __TSI108_ETH_H
28 
29 #include <linux/types.h>
30 
31 #define TSI_WRITE(offset, val) \
32 	out_be32((data->regs + (offset)), val)
33 
34 #define TSI_READ(offset) \
35 	in_be32((data->regs + (offset)))
36 
37 #define TSI_WRITE_PHY(offset, val) \
38 	out_be32((data->phyregs + (offset)), val)
39 
40 #define TSI_READ_PHY(offset) \
41 	in_be32((data->phyregs + (offset)))
42 
43 /*
44  * TSI108 GIGE port registers
45  */
46 
47 #define TSI108_ETH_PORT_NUM		2
48 #define TSI108_PBM_PORT			2
49 #define TSI108_SDRAM_PORT		4
50 
51 #define TSI108_MAC_CFG1			(0x000)
52 #define TSI108_MAC_CFG1_SOFTRST		(1 << 31)
53 #define TSI108_MAC_CFG1_LOOPBACK	(1 << 8)
54 #define TSI108_MAC_CFG1_RXEN		(1 << 2)
55 #define TSI108_MAC_CFG1_TXEN		(1 << 0)
56 
57 #define TSI108_MAC_CFG2			(0x004)
58 #define TSI108_MAC_CFG2_DFLT_PREAMBLE	(7 << 12)
59 #define TSI108_MAC_CFG2_IFACE_MASK	(3 << 8)
60 #define TSI108_MAC_CFG2_NOGIG		(1 << 8)
61 #define TSI108_MAC_CFG2_GIG		(2 << 8)
62 #define TSI108_MAC_CFG2_PADCRC		(1 << 2)
63 #define TSI108_MAC_CFG2_FULLDUPLEX	(1 << 0)
64 
65 #define TSI108_MAC_MII_MGMT_CFG		(0x020)
66 #define TSI108_MAC_MII_MGMT_CLK		(7 << 0)
67 #define TSI108_MAC_MII_MGMT_RST		(1 << 31)
68 
69 #define TSI108_MAC_MII_CMD		(0x024)
70 #define TSI108_MAC_MII_CMD_READ		(1 << 0)
71 
72 #define TSI108_MAC_MII_ADDR		(0x028)
73 #define TSI108_MAC_MII_ADDR_REG		0
74 #define TSI108_MAC_MII_ADDR_PHY		8
75 
76 #define TSI108_MAC_MII_DATAOUT		(0x02c)
77 #define TSI108_MAC_MII_DATAIN		(0x030)
78 
79 #define TSI108_MAC_MII_IND		(0x034)
80 #define TSI108_MAC_MII_IND_NOTVALID	(1 << 2)
81 #define TSI108_MAC_MII_IND_SCANNING	(1 << 1)
82 #define TSI108_MAC_MII_IND_BUSY		(1 << 0)
83 
84 #define TSI108_MAC_IFCTRL		(0x038)
85 #define TSI108_MAC_IFCTRL_PHYMODE	(1 << 24)
86 
87 #define TSI108_MAC_ADDR1		(0x040)
88 #define TSI108_MAC_ADDR2		(0x044)
89 
90 #define TSI108_STAT_RXBYTES		(0x06c)
91 #define TSI108_STAT_RXBYTES_CARRY	(1 << 24)
92 
93 #define TSI108_STAT_RXPKTS		(0x070)
94 #define TSI108_STAT_RXPKTS_CARRY	(1 << 18)
95 
96 #define TSI108_STAT_RXFCS		(0x074)
97 #define TSI108_STAT_RXFCS_CARRY		(1 << 12)
98 
99 #define TSI108_STAT_RXMCAST		(0x078)
100 #define TSI108_STAT_RXMCAST_CARRY	(1 << 18)
101 
102 #define TSI108_STAT_RXALIGN		(0x08c)
103 #define TSI108_STAT_RXALIGN_CARRY	(1 << 12)
104 
105 #define TSI108_STAT_RXLENGTH		(0x090)
106 #define TSI108_STAT_RXLENGTH_CARRY	(1 << 12)
107 
108 #define TSI108_STAT_RXRUNT		(0x09c)
109 #define TSI108_STAT_RXRUNT_CARRY	(1 << 12)
110 
111 #define TSI108_STAT_RXJUMBO		(0x0a0)
112 #define TSI108_STAT_RXJUMBO_CARRY	(1 << 12)
113 
114 #define TSI108_STAT_RXFRAG		(0x0a4)
115 #define TSI108_STAT_RXFRAG_CARRY	(1 << 12)
116 
117 #define TSI108_STAT_RXJABBER		(0x0a8)
118 #define TSI108_STAT_RXJABBER_CARRY	(1 << 12)
119 
120 #define TSI108_STAT_RXDROP		(0x0ac)
121 #define TSI108_STAT_RXDROP_CARRY	(1 << 12)
122 
123 #define TSI108_STAT_TXBYTES		(0x0b0)
124 #define TSI108_STAT_TXBYTES_CARRY	(1 << 24)
125 
126 #define TSI108_STAT_TXPKTS		(0x0b4)
127 #define TSI108_STAT_TXPKTS_CARRY	(1 << 18)
128 
129 #define TSI108_STAT_TXEXDEF		(0x0c8)
130 #define TSI108_STAT_TXEXDEF_CARRY	(1 << 12)
131 
132 #define TSI108_STAT_TXEXCOL		(0x0d8)
133 #define TSI108_STAT_TXEXCOL_CARRY	(1 << 12)
134 
135 #define TSI108_STAT_TXTCOL		(0x0dc)
136 #define TSI108_STAT_TXTCOL_CARRY	(1 << 13)
137 
138 #define TSI108_STAT_TXPAUSEDROP		(0x0e4)
139 #define TSI108_STAT_TXPAUSEDROP_CARRY	(1 << 12)
140 
141 #define TSI108_STAT_CARRY1		(0x100)
142 #define TSI108_STAT_CARRY1_RXBYTES	(1 << 16)
143 #define TSI108_STAT_CARRY1_RXPKTS	(1 << 15)
144 #define TSI108_STAT_CARRY1_RXFCS	(1 << 14)
145 #define TSI108_STAT_CARRY1_RXMCAST	(1 << 13)
146 #define TSI108_STAT_CARRY1_RXALIGN	(1 << 8)
147 #define TSI108_STAT_CARRY1_RXLENGTH	(1 << 7)
148 #define TSI108_STAT_CARRY1_RXRUNT	(1 << 4)
149 #define TSI108_STAT_CARRY1_RXJUMBO	(1 << 3)
150 #define TSI108_STAT_CARRY1_RXFRAG	(1 << 2)
151 #define TSI108_STAT_CARRY1_RXJABBER	(1 << 1)
152 #define TSI108_STAT_CARRY1_RXDROP	(1 << 0)
153 
154 #define TSI108_STAT_CARRY2		(0x104)
155 #define TSI108_STAT_CARRY2_TXBYTES	(1 << 13)
156 #define TSI108_STAT_CARRY2_TXPKTS	(1 << 12)
157 #define TSI108_STAT_CARRY2_TXEXDEF	(1 << 7)
158 #define TSI108_STAT_CARRY2_TXEXCOL	(1 << 3)
159 #define TSI108_STAT_CARRY2_TXTCOL	(1 << 2)
160 #define TSI108_STAT_CARRY2_TXPAUSE	(1 << 0)
161 
162 #define TSI108_STAT_CARRYMASK1		(0x108)
163 #define TSI108_STAT_CARRYMASK2		(0x10c)
164 
165 #define TSI108_EC_PORTCTRL		(0x200)
166 #define TSI108_EC_PORTCTRL_STATRST	(1 << 31)
167 #define TSI108_EC_PORTCTRL_STATEN	(1 << 28)
168 #define TSI108_EC_PORTCTRL_NOGIG	(1 << 18)
169 #define TSI108_EC_PORTCTRL_HALFDUPLEX	(1 << 16)
170 
171 #define TSI108_EC_INTSTAT		(0x204)
172 #define TSI108_EC_INTMASK		(0x208)
173 
174 #define TSI108_INT_ANY			(1 << 31)
175 #define TSI108_INT_SFN			(1 << 30)
176 #define TSI108_INT_RXIDLE		(1 << 29)
177 #define TSI108_INT_RXABORT		(1 << 28)
178 #define TSI108_INT_RXERROR		(1 << 27)
179 #define TSI108_INT_RXOVERRUN		(1 << 26)
180 #define TSI108_INT_RXTHRESH		(1 << 25)
181 #define TSI108_INT_RXWAIT		(1 << 24)
182 #define TSI108_INT_RXQUEUE0		(1 << 16)
183 #define TSI108_INT_STATCARRY		(1 << 15)
184 #define TSI108_INT_TXIDLE		(1 << 13)
185 #define TSI108_INT_TXABORT		(1 << 12)
186 #define TSI108_INT_TXERROR		(1 << 11)
187 #define TSI108_INT_TXUNDERRUN		(1 << 10)
188 #define TSI108_INT_TXTHRESH		(1 <<  9)
189 #define TSI108_INT_TXWAIT		(1 <<  8)
190 #define TSI108_INT_TXQUEUE0		(1 <<  0)
191 
192 #define TSI108_EC_TXCFG			(0x220)
193 #define TSI108_EC_TXCFG_RST		(1 << 31)
194 
195 #define TSI108_EC_TXCTRL		(0x224)
196 #define TSI108_EC_TXCTRL_IDLEINT	(1 << 31)
197 #define TSI108_EC_TXCTRL_ABORT		(1 << 30)
198 #define TSI108_EC_TXCTRL_GO		(1 << 15)
199 #define TSI108_EC_TXCTRL_QUEUE0		(1 <<  0)
200 
201 #define TSI108_EC_TXSTAT		(0x228)
202 #define TSI108_EC_TXSTAT_ACTIVE		(1 << 15)
203 #define TSI108_EC_TXSTAT_QUEUE0		(1 << 0)
204 
205 #define TSI108_EC_TXESTAT		(0x22c)
206 #define TSI108_EC_TXESTAT_Q0_ERR	(1 << 24)
207 #define TSI108_EC_TXESTAT_Q0_DESCINT	(1 << 16)
208 #define TSI108_EC_TXESTAT_Q0_EOF	(1 <<  8)
209 #define TSI108_EC_TXESTAT_Q0_EOQ	(1 <<  0)
210 
211 #define TSI108_EC_TXERR			(0x278)
212 
213 #define TSI108_EC_TXQ_CFG		(0x280)
214 #define TSI108_EC_TXQ_CFG_DESC_INT	(1 << 20)
215 #define TSI108_EC_TXQ_CFG_EOQ_OWN_INT	(1 << 19)
216 #define TSI108_EC_TXQ_CFG_WSWP		(1 << 11)
217 #define TSI108_EC_TXQ_CFG_BSWP		(1 << 10)
218 #define TSI108_EC_TXQ_CFG_SFNPORT	0
219 
220 #define TSI108_EC_TXQ_BUFCFG		(0x284)
221 #define TSI108_EC_TXQ_BUFCFG_BURST8	(0 << 8)
222 #define TSI108_EC_TXQ_BUFCFG_BURST32	(1 << 8)
223 #define TSI108_EC_TXQ_BUFCFG_BURST128	(2 << 8)
224 #define TSI108_EC_TXQ_BUFCFG_BURST256	(3 << 8)
225 #define TSI108_EC_TXQ_BUFCFG_WSWP	(1 << 11)
226 #define TSI108_EC_TXQ_BUFCFG_BSWP	(1 << 10)
227 #define TSI108_EC_TXQ_BUFCFG_SFNPORT	0
228 
229 #define TSI108_EC_TXQ_PTRLOW		(0x288)
230 
231 #define TSI108_EC_TXQ_PTRHIGH		(0x28c)
232 #define TSI108_EC_TXQ_PTRHIGH_VALID	(1 << 31)
233 
234 #define TSI108_EC_TXTHRESH		(0x230)
235 #define TSI108_EC_TXTHRESH_STARTFILL	0
236 #define TSI108_EC_TXTHRESH_STOPFILL	16
237 
238 #define TSI108_EC_RXCFG			(0x320)
239 #define TSI108_EC_RXCFG_RST		(1 << 31)
240 
241 #define TSI108_EC_RXSTAT		(0x328)
242 #define TSI108_EC_RXSTAT_ACTIVE		(1 << 15)
243 #define TSI108_EC_RXSTAT_QUEUE0		(1 << 0)
244 
245 #define TSI108_EC_RXESTAT		(0x32c)
246 #define TSI108_EC_RXESTAT_Q0_ERR	(1 << 24)
247 #define TSI108_EC_RXESTAT_Q0_DESCINT	(1 << 16)
248 #define TSI108_EC_RXESTAT_Q0_EOF	(1 <<  8)
249 #define TSI108_EC_RXESTAT_Q0_EOQ	(1 <<  0)
250 
251 #define TSI108_EC_HASHADDR		(0x360)
252 #define TSI108_EC_HASHADDR_AUTOINC	(1 << 31)
253 #define TSI108_EC_HASHADDR_DO1STREAD	(1 << 30)
254 #define TSI108_EC_HASHADDR_UNICAST	(0 <<  4)
255 #define TSI108_EC_HASHADDR_MCAST	(1 <<  4)
256 
257 #define TSI108_EC_HASHDATA		(0x364)
258 
259 #define TSI108_EC_RXQ_PTRLOW		(0x388)
260 
261 #define TSI108_EC_RXQ_PTRHIGH		(0x38c)
262 #define TSI108_EC_RXQ_PTRHIGH_VALID	(1 << 31)
263 
264 /* Station Enable -- accept packets destined for us */
265 #define TSI108_EC_RXCFG_SE		(1 << 13)
266 /* Unicast Frame Enable -- for packets not destined for us */
267 #define TSI108_EC_RXCFG_UFE		(1 << 12)
268 /* Multicast Frame Enable */
269 #define TSI108_EC_RXCFG_MFE		(1 << 11)
270 /* Broadcast Frame Enable */
271 #define TSI108_EC_RXCFG_BFE		(1 << 10)
272 #define TSI108_EC_RXCFG_UC_HASH		(1 <<  9)
273 #define TSI108_EC_RXCFG_MC_HASH		(1 <<  8)
274 
275 #define TSI108_EC_RXQ_CFG		(0x380)
276 #define TSI108_EC_RXQ_CFG_DESC_INT	(1 << 20)
277 #define TSI108_EC_RXQ_CFG_EOQ_OWN_INT	(1 << 19)
278 #define TSI108_EC_RXQ_CFG_WSWP		(1 << 11)
279 #define TSI108_EC_RXQ_CFG_BSWP		(1 << 10)
280 #define TSI108_EC_RXQ_CFG_SFNPORT	0
281 
282 #define TSI108_EC_RXQ_BUFCFG		(0x384)
283 #define TSI108_EC_RXQ_BUFCFG_BURST8	(0 << 8)
284 #define TSI108_EC_RXQ_BUFCFG_BURST32	(1 << 8)
285 #define TSI108_EC_RXQ_BUFCFG_BURST128	(2 << 8)
286 #define TSI108_EC_RXQ_BUFCFG_BURST256	(3 << 8)
287 #define TSI108_EC_RXQ_BUFCFG_WSWP	(1 << 11)
288 #define TSI108_EC_RXQ_BUFCFG_BSWP	(1 << 10)
289 #define TSI108_EC_RXQ_BUFCFG_SFNPORT	0
290 
291 #define TSI108_EC_RXCTRL		(0x324)
292 #define TSI108_EC_RXCTRL_ABORT		(1 << 30)
293 #define TSI108_EC_RXCTRL_GO		(1 << 15)
294 #define TSI108_EC_RXCTRL_QUEUE0		(1 << 0)
295 
296 #define TSI108_EC_RXERR			(0x378)
297 
298 #define TSI108_TX_EOF	(1 << 0)	/* End of frame; last fragment of packet */
299 #define TSI108_TX_SOF	(1 << 1)	/* Start of frame; first frag. of packet */
300 #define TSI108_TX_VLAN	(1 << 2)	/* Per-frame VLAN: enables VLAN override */
301 #define TSI108_TX_HUGE	(1 << 3)	/* Huge frame enable */
302 #define TSI108_TX_PAD	(1 << 4)	/* Pad the packet if too short */
303 #define TSI108_TX_CRC	(1 << 5)	/* Generate CRC for this packet */
304 #define TSI108_TX_INT	(1 << 14)	/* Generate an IRQ after frag. processed */
305 #define TSI108_TX_RETRY	(0xf << 16)	/* 4 bit field indicating num. of retries */
306 #define TSI108_TX_COL	(1 << 20)	/* Set if a collision occurred */
307 #define TSI108_TX_LCOL	(1 << 24)	/* Set if a late collision occurred */
308 #define TSI108_TX_UNDER	(1 << 25)	/* Set if a FIFO underrun occurred */
309 #define TSI108_TX_RLIM	(1 << 26)	/* Set if the retry limit was reached */
310 #define TSI108_TX_OK	(1 << 30)	/* Set if the frame TX was successful */
311 #define TSI108_TX_OWN	(1 << 31)	/* Set if the device owns the descriptor */
312 
313 /* Note: the descriptor layouts assume big-endian byte order. */
314 typedef struct {
315 	u32 buf0;
316 	u32 buf1;		/* Base address of buffer */
317 	u32 next0;		/* Address of next descriptor, if any */
318 	u32 next1;
319 	u16 vlan;		/* VLAN, if override enabled for this packet */
320 	u16 len;		/* Length of buffer in bytes */
321 	u32 misc;		/* See TSI108_TX_* above */
322 	u32 reserved0;		/*reserved0 and reserved1 are added to make the desc */
323 	u32 reserved1;		/* 32-byte aligned */
324 } __attribute__ ((aligned(32))) tx_desc;
325 
326 #define TSI108_RX_EOF	(1 << 0)	/* End of frame; last fragment of packet */
327 #define TSI108_RX_SOF	(1 << 1)	/* Start of frame; first frag. of packet */
328 #define TSI108_RX_VLAN	(1 << 2)	/* Set on SOF if packet has a VLAN */
329 #define TSI108_RX_FTYPE	(1 << 3)	/* Length/Type field is type, not length */
330 #define TSI108_RX_RUNT	(1 << 4)/* Packet is less than minimum size */
331 #define TSI108_RX_HASH	(1 << 7)/* Hash table match */
332 #define TSI108_RX_BAD	(1 << 8)	/* Bad frame */
333 #define TSI108_RX_OVER	(1 << 9)	/* FIFO overrun occurred */
334 #define TSI108_RX_TRUNC	(1 << 11)	/* Packet truncated due to excess length */
335 #define TSI108_RX_CRC	(1 << 12)	/* Packet had a CRC error */
336 #define TSI108_RX_INT	(1 << 13)	/* Generate an IRQ after frag. processed */
337 #define TSI108_RX_OWN	(1 << 15)	/* Set if the device owns the descriptor */
338 
339 #define TSI108_RX_SKB_SIZE 1536		/* The RX skb length */
340 
341 typedef struct {
342 	u32 buf0;		/* Base address of buffer */
343 	u32 buf1;		/* Base address of buffer */
344 	u32 next0;		/* Address of next descriptor, if any */
345 	u32 next1;		/* Address of next descriptor, if any */
346 	u16 vlan;		/* VLAN of received packet, first frag only */
347 	u16 len;		/* Length of received fragment in bytes */
348 	u16 blen;		/* Length of buffer in bytes */
349 	u16 misc;		/* See TSI108_RX_* above */
350 	u32 reserved0;		/* reserved0 and reserved1 are added to make the desc */
351 	u32 reserved1;		/* 32-byte aligned */
352 } __attribute__ ((aligned(32))) rx_desc;
353 
354 #endif				/* __TSI108_ETH_H */
355