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, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24/*
25 * net/tsi108_eth.h - definitions for Tsi108 GIGE network controller.
26 */
27
28#ifndef __TSI108_ETH_H
29#define __TSI108_ETH_H
30
31#include <linux/types.h>
32
33#define TSI_WRITE(offset, val) \
34	out_be32((data->regs + (offset)), val)
35
36#define TSI_READ(offset) \
37	in_be32((data->regs + (offset)))
38
39#define TSI_WRITE_PHY(offset, val) \
40	out_be32((data->phyregs + (offset)), val)
41
42#define TSI_READ_PHY(offset) \
43	in_be32((data->phyregs + (offset)))
44
45/*
46 * TSI108 GIGE port registers
47 */
48
49#define TSI108_ETH_PORT_NUM		2
50#define TSI108_PBM_PORT			2
51#define TSI108_SDRAM_PORT		4
52
53#define TSI108_MAC_CFG1			(0x000)
54#define TSI108_MAC_CFG1_SOFTRST		(1 << 31)
55#define TSI108_MAC_CFG1_LOOPBACK	(1 << 8)
56#define TSI108_MAC_CFG1_RXEN		(1 << 2)
57#define TSI108_MAC_CFG1_TXEN		(1 << 0)
58
59#define TSI108_MAC_CFG2			(0x004)
60#define TSI108_MAC_CFG2_DFLT_PREAMBLE	(7 << 12)
61#define TSI108_MAC_CFG2_IFACE_MASK	(3 << 8)
62#define TSI108_MAC_CFG2_NOGIG		(1 << 8)
63#define TSI108_MAC_CFG2_GIG		(2 << 8)
64#define TSI108_MAC_CFG2_PADCRC		(1 << 2)
65#define TSI108_MAC_CFG2_FULLDUPLEX	(1 << 0)
66
67#define TSI108_MAC_MII_MGMT_CFG		(0x020)
68#define TSI108_MAC_MII_MGMT_CLK		(7 << 0)
69#define TSI108_MAC_MII_MGMT_RST		(1 << 31)
70
71#define TSI108_MAC_MII_CMD		(0x024)
72#define TSI108_MAC_MII_CMD_READ		(1 << 0)
73
74#define TSI108_MAC_MII_ADDR		(0x028)
75#define TSI108_MAC_MII_ADDR_REG		0
76#define TSI108_MAC_MII_ADDR_PHY		8
77
78#define TSI108_MAC_MII_DATAOUT		(0x02c)
79#define TSI108_MAC_MII_DATAIN		(0x030)
80
81#define TSI108_MAC_MII_IND		(0x034)
82#define TSI108_MAC_MII_IND_NOTVALID	(1 << 2)
83#define TSI108_MAC_MII_IND_SCANNING	(1 << 1)
84#define TSI108_MAC_MII_IND_BUSY		(1 << 0)
85
86#define TSI108_MAC_IFCTRL		(0x038)
87#define TSI108_MAC_IFCTRL_PHYMODE	(1 << 24)
88
89#define TSI108_MAC_ADDR1		(0x040)
90#define TSI108_MAC_ADDR2		(0x044)
91
92#define TSI108_STAT_RXBYTES		(0x06c)
93#define TSI108_STAT_RXBYTES_CARRY	(1 << 24)
94
95#define TSI108_STAT_RXPKTS		(0x070)
96#define TSI108_STAT_RXPKTS_CARRY	(1 << 18)
97
98#define TSI108_STAT_RXFCS		(0x074)
99#define TSI108_STAT_RXFCS_CARRY		(1 << 12)
100
101#define TSI108_STAT_RXMCAST		(0x078)
102#define TSI108_STAT_RXMCAST_CARRY	(1 << 18)
103
104#define TSI108_STAT_RXALIGN		(0x08c)
105#define TSI108_STAT_RXALIGN_CARRY	(1 << 12)
106
107#define TSI108_STAT_RXLENGTH		(0x090)
108#define TSI108_STAT_RXLENGTH_CARRY	(1 << 12)
109
110#define TSI108_STAT_RXRUNT		(0x09c)
111#define TSI108_STAT_RXRUNT_CARRY	(1 << 12)
112
113#define TSI108_STAT_RXJUMBO		(0x0a0)
114#define TSI108_STAT_RXJUMBO_CARRY	(1 << 12)
115
116#define TSI108_STAT_RXFRAG		(0x0a4)
117#define TSI108_STAT_RXFRAG_CARRY	(1 << 12)
118
119#define TSI108_STAT_RXJABBER		(0x0a8)
120#define TSI108_STAT_RXJABBER_CARRY	(1 << 12)
121
122#define TSI108_STAT_RXDROP		(0x0ac)
123#define TSI108_STAT_RXDROP_CARRY	(1 << 12)
124
125#define TSI108_STAT_TXBYTES		(0x0b0)
126#define TSI108_STAT_TXBYTES_CARRY	(1 << 24)
127
128#define TSI108_STAT_TXPKTS		(0x0b4)
129#define TSI108_STAT_TXPKTS_CARRY	(1 << 18)
130
131#define TSI108_STAT_TXEXDEF		(0x0c8)
132#define TSI108_STAT_TXEXDEF_CARRY	(1 << 12)
133
134#define TSI108_STAT_TXEXCOL		(0x0d8)
135#define TSI108_STAT_TXEXCOL_CARRY	(1 << 12)
136
137#define TSI108_STAT_TXTCOL		(0x0dc)
138#define TSI108_STAT_TXTCOL_CARRY	(1 << 13)
139
140#define TSI108_STAT_TXPAUSEDROP		(0x0e4)
141#define TSI108_STAT_TXPAUSEDROP_CARRY	(1 << 12)
142
143#define TSI108_STAT_CARRY1		(0x100)
144#define TSI108_STAT_CARRY1_RXBYTES	(1 << 16)
145#define TSI108_STAT_CARRY1_RXPKTS	(1 << 15)
146#define TSI108_STAT_CARRY1_RXFCS	(1 << 14)
147#define TSI108_STAT_CARRY1_RXMCAST	(1 << 13)
148#define TSI108_STAT_CARRY1_RXALIGN	(1 << 8)
149#define TSI108_STAT_CARRY1_RXLENGTH	(1 << 7)
150#define TSI108_STAT_CARRY1_RXRUNT	(1 << 4)
151#define TSI108_STAT_CARRY1_RXJUMBO	(1 << 3)
152#define TSI108_STAT_CARRY1_RXFRAG	(1 << 2)
153#define TSI108_STAT_CARRY1_RXJABBER	(1 << 1)
154#define TSI108_STAT_CARRY1_RXDROP	(1 << 0)
155
156#define TSI108_STAT_CARRY2		(0x104)
157#define TSI108_STAT_CARRY2_TXBYTES	(1 << 13)
158#define TSI108_STAT_CARRY2_TXPKTS	(1 << 12)
159#define TSI108_STAT_CARRY2_TXEXDEF	(1 << 7)
160#define TSI108_STAT_CARRY2_TXEXCOL	(1 << 3)
161#define TSI108_STAT_CARRY2_TXTCOL	(1 << 2)
162#define TSI108_STAT_CARRY2_TXPAUSE	(1 << 0)
163
164#define TSI108_STAT_CARRYMASK1		(0x108)
165#define TSI108_STAT_CARRYMASK2		(0x10c)
166
167#define TSI108_EC_PORTCTRL		(0x200)
168#define TSI108_EC_PORTCTRL_STATRST	(1 << 31)
169#define TSI108_EC_PORTCTRL_STATEN	(1 << 28)
170#define TSI108_EC_PORTCTRL_NOGIG	(1 << 18)
171#define TSI108_EC_PORTCTRL_HALFDUPLEX	(1 << 16)
172
173#define TSI108_EC_INTSTAT		(0x204)
174#define TSI108_EC_INTMASK		(0x208)
175
176#define TSI108_INT_ANY			(1 << 31)
177#define TSI108_INT_SFN			(1 << 30)
178#define TSI108_INT_RXIDLE		(1 << 29)
179#define TSI108_INT_RXABORT		(1 << 28)
180#define TSI108_INT_RXERROR		(1 << 27)
181#define TSI108_INT_RXOVERRUN		(1 << 26)
182#define TSI108_INT_RXTHRESH		(1 << 25)
183#define TSI108_INT_RXWAIT		(1 << 24)
184#define TSI108_INT_RXQUEUE0		(1 << 16)
185#define TSI108_INT_STATCARRY		(1 << 15)
186#define TSI108_INT_TXIDLE		(1 << 13)
187#define TSI108_INT_TXABORT		(1 << 12)
188#define TSI108_INT_TXERROR		(1 << 11)
189#define TSI108_INT_TXUNDERRUN		(1 << 10)
190#define TSI108_INT_TXTHRESH		(1 <<  9)
191#define TSI108_INT_TXWAIT		(1 <<  8)
192#define TSI108_INT_TXQUEUE0		(1 <<  0)
193
194#define TSI108_EC_TXCFG			(0x220)
195#define TSI108_EC_TXCFG_RST		(1 << 31)
196
197#define TSI108_EC_TXCTRL		(0x224)
198#define TSI108_EC_TXCTRL_IDLEINT	(1 << 31)
199#define TSI108_EC_TXCTRL_ABORT		(1 << 30)
200#define TSI108_EC_TXCTRL_GO		(1 << 15)
201#define TSI108_EC_TXCTRL_QUEUE0		(1 <<  0)
202
203#define TSI108_EC_TXSTAT		(0x228)
204#define TSI108_EC_TXSTAT_ACTIVE		(1 << 15)
205#define TSI108_EC_TXSTAT_QUEUE0		(1 << 0)
206
207#define TSI108_EC_TXESTAT		(0x22c)
208#define TSI108_EC_TXESTAT_Q0_ERR	(1 << 24)
209#define TSI108_EC_TXESTAT_Q0_DESCINT	(1 << 16)
210#define TSI108_EC_TXESTAT_Q0_EOF	(1 <<  8)
211#define TSI108_EC_TXESTAT_Q0_EOQ	(1 <<  0)
212
213#define TSI108_EC_TXERR			(0x278)
214
215#define TSI108_EC_TXQ_CFG		(0x280)
216#define TSI108_EC_TXQ_CFG_DESC_INT	(1 << 20)
217#define TSI108_EC_TXQ_CFG_EOQ_OWN_INT	(1 << 19)
218#define TSI108_EC_TXQ_CFG_WSWP		(1 << 11)
219#define TSI108_EC_TXQ_CFG_BSWP		(1 << 10)
220#define TSI108_EC_TXQ_CFG_SFNPORT	0
221
222#define TSI108_EC_TXQ_BUFCFG		(0x284)
223#define TSI108_EC_TXQ_BUFCFG_BURST8	(0 << 8)
224#define TSI108_EC_TXQ_BUFCFG_BURST32	(1 << 8)
225#define TSI108_EC_TXQ_BUFCFG_BURST128	(2 << 8)
226#define TSI108_EC_TXQ_BUFCFG_BURST256	(3 << 8)
227#define TSI108_EC_TXQ_BUFCFG_WSWP	(1 << 11)
228#define TSI108_EC_TXQ_BUFCFG_BSWP	(1 << 10)
229#define TSI108_EC_TXQ_BUFCFG_SFNPORT	0
230
231#define TSI108_EC_TXQ_PTRLOW		(0x288)
232
233#define TSI108_EC_TXQ_PTRHIGH		(0x28c)
234#define TSI108_EC_TXQ_PTRHIGH_VALID	(1 << 31)
235
236#define TSI108_EC_TXTHRESH		(0x230)
237#define TSI108_EC_TXTHRESH_STARTFILL	0
238#define TSI108_EC_TXTHRESH_STOPFILL	16
239
240#define TSI108_EC_RXCFG			(0x320)
241#define TSI108_EC_RXCFG_RST		(1 << 31)
242
243#define TSI108_EC_RXSTAT		(0x328)
244#define TSI108_EC_RXSTAT_ACTIVE		(1 << 15)
245#define TSI108_EC_RXSTAT_QUEUE0		(1 << 0)
246
247#define TSI108_EC_RXESTAT		(0x32c)
248#define TSI108_EC_RXESTAT_Q0_ERR	(1 << 24)
249#define TSI108_EC_RXESTAT_Q0_DESCINT	(1 << 16)
250#define TSI108_EC_RXESTAT_Q0_EOF	(1 <<  8)
251#define TSI108_EC_RXESTAT_Q0_EOQ	(1 <<  0)
252
253#define TSI108_EC_HASHADDR		(0x360)
254#define TSI108_EC_HASHADDR_AUTOINC	(1 << 31)
255#define TSI108_EC_HASHADDR_DO1STREAD	(1 << 30)
256#define TSI108_EC_HASHADDR_UNICAST	(0 <<  4)
257#define TSI108_EC_HASHADDR_MCAST	(1 <<  4)
258
259#define TSI108_EC_HASHDATA		(0x364)
260
261#define TSI108_EC_RXQ_PTRLOW		(0x388)
262
263#define TSI108_EC_RXQ_PTRHIGH		(0x38c)
264#define TSI108_EC_RXQ_PTRHIGH_VALID	(1 << 31)
265
266/* Station Enable -- accept packets destined for us */
267#define TSI108_EC_RXCFG_SE		(1 << 13)
268/* Unicast Frame Enable -- for packets not destined for us */
269#define TSI108_EC_RXCFG_UFE		(1 << 12)
270/* Multicast Frame Enable */
271#define TSI108_EC_RXCFG_MFE		(1 << 11)
272/* Broadcast Frame Enable */
273#define TSI108_EC_RXCFG_BFE		(1 << 10)
274#define TSI108_EC_RXCFG_UC_HASH		(1 <<  9)
275#define TSI108_EC_RXCFG_MC_HASH		(1 <<  8)
276
277#define TSI108_EC_RXQ_CFG		(0x380)
278#define TSI108_EC_RXQ_CFG_DESC_INT	(1 << 20)
279#define TSI108_EC_RXQ_CFG_EOQ_OWN_INT	(1 << 19)
280#define TSI108_EC_RXQ_CFG_WSWP		(1 << 11)
281#define TSI108_EC_RXQ_CFG_BSWP		(1 << 10)
282#define TSI108_EC_RXQ_CFG_SFNPORT	0
283
284#define TSI108_EC_RXQ_BUFCFG		(0x384)
285#define TSI108_EC_RXQ_BUFCFG_BURST8	(0 << 8)
286#define TSI108_EC_RXQ_BUFCFG_BURST32	(1 << 8)
287#define TSI108_EC_RXQ_BUFCFG_BURST128	(2 << 8)
288#define TSI108_EC_RXQ_BUFCFG_BURST256	(3 << 8)
289#define TSI108_EC_RXQ_BUFCFG_WSWP	(1 << 11)
290#define TSI108_EC_RXQ_BUFCFG_BSWP	(1 << 10)
291#define TSI108_EC_RXQ_BUFCFG_SFNPORT	0
292
293#define TSI108_EC_RXCTRL		(0x324)
294#define TSI108_EC_RXCTRL_ABORT		(1 << 30)
295#define TSI108_EC_RXCTRL_GO		(1 << 15)
296#define TSI108_EC_RXCTRL_QUEUE0		(1 << 0)
297
298#define TSI108_EC_RXERR			(0x378)
299
300#define TSI108_TX_EOF	(1 << 0)	/* End of frame; last fragment of packet */
301#define TSI108_TX_SOF	(1 << 1)	/* Start of frame; first frag. of packet */
302#define TSI108_TX_VLAN	(1 << 2)	/* Per-frame VLAN: enables VLAN override */
303#define TSI108_TX_HUGE	(1 << 3)	/* Huge frame enable */
304#define TSI108_TX_PAD	(1 << 4)	/* Pad the packet if too short */
305#define TSI108_TX_CRC	(1 << 5)	/* Generate CRC for this packet */
306#define TSI108_TX_INT	(1 << 14)	/* Generate an IRQ after frag. processed */
307#define TSI108_TX_RETRY	(0xf << 16)	/* 4 bit field indicating num. of retries */
308#define TSI108_TX_COL	(1 << 20)	/* Set if a collision occured */
309#define TSI108_TX_LCOL	(1 << 24)	/* Set if a late collision occured */
310#define TSI108_TX_UNDER	(1 << 25)	/* Set if a FIFO underrun occured */
311#define TSI108_TX_RLIM	(1 << 26)	/* Set if the retry limit was reached */
312#define TSI108_TX_OK	(1 << 30)	/* Set if the frame TX was successful */
313#define TSI108_TX_OWN	(1 << 31)	/* Set if the device owns the descriptor */
314
315/* Note: the descriptor layouts assume big-endian byte order. */
316typedef struct {
317	u32 buf0;
318	u32 buf1;		/* Base address of buffer */
319	u32 next0;		/* Address of next descriptor, if any */
320	u32 next1;
321	u16 vlan;		/* VLAN, if override enabled for this packet */
322	u16 len;		/* Length of buffer in bytes */
323	u32 misc;		/* See TSI108_TX_* above */
324	u32 reserved0;		/*reserved0 and reserved1 are added to make the desc */
325	u32 reserved1;		/* 32-byte aligned */
326} __attribute__ ((aligned(32))) tx_desc;
327
328#define TSI108_RX_EOF	(1 << 0)	/* End of frame; last fragment of packet */
329#define TSI108_RX_SOF	(1 << 1)	/* Start of frame; first frag. of packet */
330#define TSI108_RX_VLAN	(1 << 2)	/* Set on SOF if packet has a VLAN */
331#define TSI108_RX_FTYPE	(1 << 3)	/* Length/Type field is type, not length */
332#define TSI108_RX_RUNT	(1 << 4)/* Packet is less than minimum size */
333#define TSI108_RX_HASH	(1 << 7)/* Hash table match */
334#define TSI108_RX_BAD	(1 << 8)	/* Bad frame */
335#define TSI108_RX_OVER	(1 << 9)	/* FIFO overrun occured */
336#define TSI108_RX_TRUNC	(1 << 11)	/* Packet truncated due to excess length */
337#define TSI108_RX_CRC	(1 << 12)	/* Packet had a CRC error */
338#define TSI108_RX_INT	(1 << 13)	/* Generate an IRQ after frag. processed */
339#define TSI108_RX_OWN	(1 << 15)	/* Set if the device owns the descriptor */
340
341#define TSI108_RX_SKB_SIZE 1536		/* The RX skb length */
342
343typedef struct {
344	u32 buf0;		/* Base address of buffer */
345	u32 buf1;		/* Base address of buffer */
346	u32 next0;		/* Address of next descriptor, if any */
347	u32 next1;		/* Address of next descriptor, if any */
348	u16 vlan;		/* VLAN of received packet, first frag only */
349	u16 len;		/* Length of received fragment in bytes */
350	u16 blen;		/* Length of buffer in bytes */
351	u16 misc;		/* See TSI108_RX_* above */
352	u32 reserved0;		/* reserved0 and reserved1 are added to make the desc */
353	u32 reserved1;		/* 32-byte aligned */
354} __attribute__ ((aligned(32))) rx_desc;
355
356#endif				/* __TSI108_ETH_H */
357