1 /*
2  * (C) Copyright 2009
3  * Marvell Semiconductor <www.marvell.com>
4  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
5  *
6  * based on - Driver for MV64360X ethernet ports
7  * Copyright (C) 2002 rabeeh@galileo.co.il
8  *
9  * See file CREDITS for list of people who contributed to this
10  * project.
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License as
14  * published by the Free Software Foundation; either version 2 of
15  * the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
25  * MA 02110-1301 USA
26  */
27 
28 #ifndef __EGIGA_H__
29 #define __EGIGA_H__
30 
31 #define MAX_KWGBE_DEVS	2	/*controller has two ports */
32 
33 /* PHY_BASE_ADR is board specific and can be configured */
34 #if defined (CONFIG_PHY_BASE_ADR)
35 #define PHY_BASE_ADR		CONFIG_PHY_BASE_ADR
36 #else
37 #define PHY_BASE_ADR		0x08	/* default phy base addr */
38 #endif
39 
40 /* Constants */
41 #define INT_CAUSE_UNMASK_ALL		0x0007ffff
42 #define INT_CAUSE_UNMASK_ALL_EXT	0x0011ffff
43 #define MRU_MASK			0xfff1ffff
44 #define PHYADR_MASK			0x0000001f
45 #define PHYREG_MASK			0x0000001f
46 #define QTKNBKT_DEF_VAL			0x3fffffff
47 #define QMTBS_DEF_VAL			0x000003ff
48 #define QTKNRT_DEF_VAL			0x0000fcff
49 #define RXUQ	0 /* Used Rx queue */
50 #define TXUQ	0 /* Used Rx queue */
51 
52 #define to_dkwgbe(_kd) container_of(_kd, struct kwgbe_device, dev)
53 #define KWGBEREG_WR(adr, val)		writel(val, &adr)
54 #define KWGBEREG_RD(adr)		readl(&adr)
55 #define KWGBEREG_BITS_RESET(adr, val)	writel(readl(&adr) & ~(val), &adr)
56 #define KWGBEREG_BITS_SET(adr, val)	writel(readl(&adr) | val, &adr)
57 
58 /* Default port configuration value */
59 #define PRT_CFG_VAL			( \
60 	KWGBE_UCAST_MOD_NRML		| \
61 	KWGBE_DFLT_RXQ(RXUQ)		| \
62 	KWGBE_DFLT_RX_ARPQ(RXUQ)	| \
63 	KWGBE_RX_BC_IF_NOT_IP_OR_ARP	| \
64 	KWGBE_RX_BC_IF_IP		| \
65 	KWGBE_RX_BC_IF_ARP		| \
66 	KWGBE_CPTR_TCP_FRMS_DIS		| \
67 	KWGBE_CPTR_UDP_FRMS_DIS		| \
68 	KWGBE_DFLT_RX_TCPQ(RXUQ)	| \
69 	KWGBE_DFLT_RX_UDPQ(RXUQ)	| \
70 	KWGBE_DFLT_RX_BPDUQ(RXUQ))
71 
72 /* Default port extend configuration value */
73 #define PORT_CFG_EXTEND_VALUE		\
74 	KWGBE_SPAN_BPDU_PACKETS_AS_NORMAL	| \
75 	KWGBE_PARTITION_DIS		| \
76 	KWGBE_TX_CRC_GENERATION_EN
77 
78 #define GT_KWGBE_IPG_INT_RX(value)	((value & 0x3fff) << 8)
79 
80 /* Default sdma control value */
81 #define PORT_SDMA_CFG_VALUE		( \
82 	KWGBE_RX_BURST_SIZE_16_64BIT	| \
83 	KWGBE_BLM_RX_NO_SWAP		| \
84 	KWGBE_BLM_TX_NO_SWAP		| \
85 	GT_KWGBE_IPG_INT_RX(RXUQ)	| \
86 	KWGBE_TX_BURST_SIZE_16_64BIT)
87 
88 /* Default port serial control value */
89 #define PORT_SERIAL_CONTROL_VALUE		( \
90 	KWGBE_FORCE_LINK_PASS			| \
91 	KWGBE_DIS_AUTO_NEG_FOR_DUPLX		| \
92 	KWGBE_DIS_AUTO_NEG_FOR_FLOW_CTRL	| \
93 	KWGBE_ADV_NO_FLOW_CTRL			| \
94 	KWGBE_FORCE_FC_MODE_NO_PAUSE_DIS_TX	| \
95 	KWGBE_FORCE_BP_MODE_NO_JAM		| \
96 	(1 << 9) /* Reserved bit has to be 1 */	| \
97 	KWGBE_DO_NOT_FORCE_LINK_FAIL		| \
98 	KWGBE_EN_AUTO_NEG_SPEED_GMII		| \
99 	KWGBE_DTE_ADV_0				| \
100 	KWGBE_MIIPHY_MAC_MODE			| \
101 	KWGBE_AUTO_NEG_NO_CHANGE		| \
102 	KWGBE_MAX_RX_PACKET_1552BYTE		| \
103 	KWGBE_CLR_EXT_LOOPBACK			| \
104 	KWGBE_SET_FULL_DUPLEX_MODE		| \
105 	KWGBE_DIS_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX)
106 
107 /* Tx WRR confoguration macros */
108 #define PORT_MAX_TRAN_UNIT	0x24	/* MTU register (default) 9KByte */
109 #define PORT_MAX_TOKEN_BUCKET_SIZE	0x_FFFF	/* PMTBS reg (default) */
110 #define PORT_TOKEN_RATE		1023	/* PTTBRC reg (default) */
111 /* MAC accepet/reject macros */
112 #define ACCEPT_MAC_ADDR		0
113 #define REJECT_MAC_ADDR		1
114 /* Size of a Tx/Rx descriptor used in chain list data structure */
115 #define KW_RXQ_DESC_ALIGNED_SIZE	\
116 	(((sizeof(struct kwgbe_rxdesc) / PKTALIGN) + 1) * PKTALIGN)
117 /* Buffer offset from buffer pointer */
118 #define RX_BUF_OFFSET		0x2
119 
120 /* Port serial status reg (PSR) */
121 #define KWGBE_INTERFACE_GMII_MII	0
122 #define KWGBE_INTERFACE_PCM		1
123 #define KWGBE_LINK_IS_DOWN		0
124 #define KWGBE_LINK_IS_UP		(1 << 1)
125 #define KWGBE_PORT_AT_HALF_DUPLEX	0
126 #define KWGBE_PORT_AT_FULL_DUPLEX	(1 << 2)
127 #define KWGBE_RX_FLOW_CTRL_DISD		0
128 #define KWGBE_RX_FLOW_CTRL_ENBALED	(1 << 3)
129 #define KWGBE_GMII_SPEED_100_10		0
130 #define KWGBE_GMII_SPEED_1000		(1 << 4)
131 #define KWGBE_MII_SPEED_10		0
132 #define KWGBE_MII_SPEED_100		(1 << 5)
133 #define KWGBE_NO_TX			0
134 #define KWGBE_TX_IN_PROGRESS		(1 << 7)
135 #define KWGBE_BYPASS_NO_ACTIVE		0
136 #define KWGBE_BYPASS_ACTIVE		(1 << 8)
137 #define KWGBE_PORT_NOT_AT_PARTN_STT	0
138 #define KWGBE_PORT_AT_PARTN_STT		(1 << 9)
139 #define KWGBE_PORT_TX_FIFO_NOT_EMPTY	0
140 #define KWGBE_PORT_TX_FIFO_EMPTY	(1 << 10)
141 
142 /* These macros describes the Port configuration reg (Px_cR) bits */
143 #define KWGBE_UCAST_MOD_NRML		0
144 #define KWGBE_UNICAST_PROMISCUOUS_MODE	1
145 #define KWGBE_DFLT_RXQ(_x)		(_x << 1)
146 #define KWGBE_DFLT_RX_ARPQ(_x)		(_x << 4)
147 #define KWGBE_RX_BC_IF_NOT_IP_OR_ARP	0
148 #define KWGBE_REJECT_BC_IF_NOT_IP_OR_ARP (1 << 7)
149 #define KWGBE_RX_BC_IF_IP		0
150 #define KWGBE_REJECT_BC_IF_IP		(1 << 8)
151 #define KWGBE_RX_BC_IF_ARP		0
152 #define KWGBE_REJECT_BC_IF_ARP		(1 << 9)
153 #define KWGBE_TX_AM_NO_UPDATE_ERR_SMRY	(1 << 12)
154 #define KWGBE_CPTR_TCP_FRMS_DIS		0
155 #define KWGBE_CPTR_TCP_FRMS_EN		(1 << 14)
156 #define KWGBE_CPTR_UDP_FRMS_DIS		0
157 #define KWGBE_CPTR_UDP_FRMS_EN		(1 << 15)
158 #define KWGBE_DFLT_RX_TCPQ(_x)		(_x << 16)
159 #define KWGBE_DFLT_RX_UDPQ(_x)		(_x << 19)
160 #define KWGBE_DFLT_RX_BPDUQ(_x)		(_x << 22)
161 #define KWGBE_DFLT_RX_TCP_CHKSUM_MODE	(1 << 25)
162 
163 /* These macros describes the Port configuration extend reg (Px_cXR) bits*/
164 #define KWGBE_CLASSIFY_EN			1
165 #define KWGBE_SPAN_BPDU_PACKETS_AS_NORMAL	0
166 #define KWGBE_SPAN_BPDU_PACKETS_TO_RX_Q7	(1 << 1)
167 #define KWGBE_PARTITION_DIS			0
168 #define KWGBE_PARTITION_EN			(1 << 2)
169 #define KWGBE_TX_CRC_GENERATION_EN		0
170 #define KWGBE_TX_CRC_GENERATION_DIS		(1 << 3)
171 
172 /* These macros describes the Port Sdma configuration reg (SDCR) bits */
173 #define KWGBE_RIFB				1
174 #define KWGBE_RX_BURST_SIZE_1_64BIT		0
175 #define KWGBE_RX_BURST_SIZE_2_64BIT		(1 << 1)
176 #define KWGBE_RX_BURST_SIZE_4_64BIT		(1 << 2)
177 #define KWGBE_RX_BURST_SIZE_8_64BIT		((1 << 2) | (1 << 1))
178 #define KWGBE_RX_BURST_SIZE_16_64BIT		(1 << 3)
179 #define KWGBE_BLM_RX_NO_SWAP			(1 << 4)
180 #define KWGBE_BLM_RX_BYTE_SWAP			0
181 #define KWGBE_BLM_TX_NO_SWAP			(1 << 5)
182 #define KWGBE_BLM_TX_BYTE_SWAP			0
183 #define KWGBE_DESCRIPTORS_BYTE_SWAP		(1 << 6)
184 #define KWGBE_DESCRIPTORS_NO_SWAP		0
185 #define KWGBE_TX_BURST_SIZE_1_64BIT		0
186 #define KWGBE_TX_BURST_SIZE_2_64BIT		(1 << 22)
187 #define KWGBE_TX_BURST_SIZE_4_64BIT		(1 << 23)
188 #define KWGBE_TX_BURST_SIZE_8_64BIT		((1 << 23) | (1 << 22))
189 #define KWGBE_TX_BURST_SIZE_16_64BIT		(1 << 24)
190 
191 /* These macros describes the Port serial control reg (PSCR) bits */
192 #define KWGBE_SERIAL_PORT_DIS			0
193 #define KWGBE_SERIAL_PORT_EN			1
194 #define KWGBE_FORCE_LINK_PASS			(1 << 1)
195 #define KWGBE_DO_NOT_FORCE_LINK_PASS		0
196 #define KWGBE_EN_AUTO_NEG_FOR_DUPLX		0
197 #define KWGBE_DIS_AUTO_NEG_FOR_DUPLX		(1 << 2)
198 #define KWGBE_EN_AUTO_NEG_FOR_FLOW_CTRL		0
199 #define KWGBE_DIS_AUTO_NEG_FOR_FLOW_CTRL	(1 << 3)
200 #define KWGBE_ADV_NO_FLOW_CTRL			0
201 #define KWGBE_ADV_SYMMETRIC_FLOW_CTRL		(1 << 4)
202 #define KWGBE_FORCE_FC_MODE_NO_PAUSE_DIS_TX	0
203 #define KWGBE_FORCE_FC_MODE_TX_PAUSE_DIS	(1 << 5)
204 #define KWGBE_FORCE_BP_MODE_NO_JAM		0
205 #define KWGBE_FORCE_BP_MODE_JAM_TX		(1 << 7)
206 #define KWGBE_FORCE_BP_MODE_JAM_TX_ON_RX_ERR	(1 << 8)
207 #define KWGBE_FORCE_LINK_FAIL			0
208 #define KWGBE_DO_NOT_FORCE_LINK_FAIL		(1 << 10)
209 #define KWGBE_DIS_AUTO_NEG_SPEED_GMII		(1 << 13)
210 #define KWGBE_EN_AUTO_NEG_SPEED_GMII		0
211 #define KWGBE_DTE_ADV_0				0
212 #define KWGBE_DTE_ADV_1				(1 << 14)
213 #define KWGBE_MIIPHY_MAC_MODE			0
214 #define KWGBE_MIIPHY_PHY_MODE			(1 << 15)
215 #define KWGBE_AUTO_NEG_NO_CHANGE		0
216 #define KWGBE_RESTART_AUTO_NEG			(1 << 16)
217 #define KWGBE_MAX_RX_PACKET_1518BYTE		0
218 #define KWGBE_MAX_RX_PACKET_1522BYTE		(1 << 17)
219 #define KWGBE_MAX_RX_PACKET_1552BYTE		(1 << 18)
220 #define KWGBE_MAX_RX_PACKET_9022BYTE		((1 << 18) | (1 << 17))
221 #define KWGBE_MAX_RX_PACKET_9192BYTE		(1 << 19)
222 #define KWGBE_MAX_RX_PACKET_9700BYTE		((1 << 19) | (1 << 17))
223 #define KWGBE_SET_EXT_LOOPBACK			(1 << 20)
224 #define KWGBE_CLR_EXT_LOOPBACK			0
225 #define KWGBE_SET_FULL_DUPLEX_MODE		(1 << 21)
226 #define KWGBE_SET_HALF_DUPLEX_MODE		0
227 #define KWGBE_EN_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX	(1 << 22)
228 #define KWGBE_DIS_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX 0
229 #define KWGBE_SET_GMII_SPEED_TO_10_100		0
230 #define KWGBE_SET_GMII_SPEED_TO_1000		(1 << 23)
231 #define KWGBE_SET_MII_SPEED_TO_10		0
232 #define KWGBE_SET_MII_SPEED_TO_100		(1 << 24)
233 
234 /* SMI register fields */
235 #define KWGBE_PHY_SMI_TIMEOUT		10000
236 #define KWGBE_PHY_SMI_DATA_OFFS		0	/* Data */
237 #define KWGBE_PHY_SMI_DATA_MASK		(0xffff << KWGBE_PHY_SMI_DATA_OFFS)
238 #define KWGBE_PHY_SMI_DEV_ADDR_OFFS	16	/* PHY device address */
239 #define KWGBE_PHY_SMI_DEV_ADDR_MASK	(PHYADR_MASK << KWGBE_PHY_SMI_DEV_ADDR_OFFS)
240 #define KWGBE_SMI_REG_ADDR_OFFS		21	/* PHY device reg addr */
241 #define KWGBE_SMI_REG_ADDR_MASK		(PHYADR_MASK << KWGBE_SMI_REG_ADDR_OFFS)
242 #define KWGBE_PHY_SMI_OPCODE_OFFS	26	/* Write/Read opcode */
243 #define KWGBE_PHY_SMI_OPCODE_MASK	(3 << KWGBE_PHY_SMI_OPCODE_OFFS)
244 #define KWGBE_PHY_SMI_OPCODE_WRITE	(0 << KWGBE_PHY_SMI_OPCODE_OFFS)
245 #define KWGBE_PHY_SMI_OPCODE_READ	(1 << KWGBE_PHY_SMI_OPCODE_OFFS)
246 #define KWGBE_PHY_SMI_READ_VALID_MASK	(1 << 27)	/* Read Valid */
247 #define KWGBE_PHY_SMI_BUSY_MASK		(1 << 28)	/* Busy */
248 
249 /* SDMA command status fields macros */
250 /* Tx & Rx descriptors status */
251 #define KWGBE_ERROR_SUMMARY		1
252 /* Tx & Rx descriptors command */
253 #define KWGBE_BUFFER_OWNED_BY_DMA	(1 << 31)
254 /* Tx descriptors status */
255 #define KWGBE_LC_ERROR			0
256 #define KWGBE_UR_ERROR			(1 << 1)
257 #define KWGBE_RL_ERROR			(1 << 2)
258 #define KWGBE_LLC_SNAP_FORMAT		(1 << 9)
259 #define KWGBE_TX_LAST_FRAME		(1 << 20)
260 
261 /* Rx descriptors status */
262 #define KWGBE_CRC_ERROR			0
263 #define KWGBE_OVERRUN_ERROR		(1 << 1)
264 #define KWGBE_MAX_FRAME_LENGTH_ERROR	(1 << 2)
265 #define KWGBE_RESOURCE_ERROR		((1 << 2) | (1 << 1))
266 #define KWGBE_VLAN_TAGGED		(1 << 19)
267 #define KWGBE_BPDU_FRAME		(1 << 20)
268 #define KWGBE_TCP_FRAME_OVER_IP_V_4	0
269 #define KWGBE_UDP_FRAME_OVER_IP_V_4	(1 << 21)
270 #define KWGBE_OTHER_FRAME_TYPE		(1 << 22)
271 #define KWGBE_LAYER_2_IS_KWGBE_V_2	(1 << 23)
272 #define KWGBE_FRAME_TYPE_IP_V_4		(1 << 24)
273 #define KWGBE_FRAME_HEADER_OK		(1 << 25)
274 #define KWGBE_RX_LAST_DESC		(1 << 26)
275 #define KWGBE_RX_FIRST_DESC		(1 << 27)
276 #define KWGBE_UNKNOWN_DESTINATION_ADDR	(1 << 28)
277 #define KWGBE_RX_EN_INTERRUPT		(1 << 29)
278 #define KWGBE_LAYER_4_CHECKSUM_OK	(1 << 30)
279 
280 /* Rx descriptors byte count */
281 #define KWGBE_FRAME_FRAGMENTED		(1 << 2)
282 
283 /* Tx descriptors command */
284 #define KWGBE_LAYER_4_CHECKSUM_FIRST_DESC	(1 << 10)
285 #define KWGBE_FRAME_SET_TO_VLAN			(1 << 15)
286 #define KWGBE_TCP_FRAME				0
287 #define KWGBE_UDP_FRAME				(1 << 16)
288 #define KWGBE_GEN_TCP_UDP_CHECKSUM		(1 << 17)
289 #define KWGBE_GEN_IP_V_4_CHECKSUM		(1 << 18)
290 #define KWGBE_ZERO_PADDING			(1 << 19)
291 #define KWGBE_TX_LAST_DESC			(1 << 20)
292 #define KWGBE_TX_FIRST_DESC			(1 << 21)
293 #define KWGBE_GEN_CRC				(1 << 22)
294 #define KWGBE_TX_EN_INTERRUPT			(1 << 23)
295 #define KWGBE_AUTO_MODE				(1 << 30)
296 
297 /* Address decode parameters */
298 /* Ethernet Base Address Register bits */
299 #define EBAR_TARGET_DRAM			0x00000000
300 #define EBAR_TARGET_DEVICE			0x00000001
301 #define EBAR_TARGET_CBS				0x00000002
302 #define EBAR_TARGET_PCI0			0x00000003
303 #define EBAR_TARGET_PCI1			0x00000004
304 #define EBAR_TARGET_CUNIT			0x00000005
305 #define EBAR_TARGET_AUNIT			0x00000006
306 #define EBAR_TARGET_GUNIT			0x00000007
307 
308 /* Window attrib */
309 #define EBAR_DRAM_CS0				0x00000E00
310 #define EBAR_DRAM_CS1				0x00000D00
311 #define EBAR_DRAM_CS2				0x00000B00
312 #define EBAR_DRAM_CS3				0x00000700
313 
314 /* DRAM Target interface */
315 #define EBAR_DRAM_NO_CACHE_COHERENCY		0x00000000
316 #define EBAR_DRAM_CACHE_COHERENCY_WT		0x00001000
317 #define EBAR_DRAM_CACHE_COHERENCY_WB		0x00002000
318 
319 /* Device Bus Target interface */
320 #define EBAR_DEVICE_DEVCS0			0x00001E00
321 #define EBAR_DEVICE_DEVCS1			0x00001D00
322 #define EBAR_DEVICE_DEVCS2			0x00001B00
323 #define EBAR_DEVICE_DEVCS3			0x00001700
324 #define EBAR_DEVICE_BOOTCS3			0x00000F00
325 
326 /* PCI Target interface */
327 #define EBAR_PCI_BYTE_SWAP			0x00000000
328 #define EBAR_PCI_NO_SWAP			0x00000100
329 #define EBAR_PCI_BYTE_WORD_SWAP			0x00000200
330 #define EBAR_PCI_WORD_SWAP			0x00000300
331 #define EBAR_PCI_NO_SNOOP_NOT_ASSERT		0x00000000
332 #define EBAR_PCI_NO_SNOOP_ASSERT		0x00000400
333 #define EBAR_PCI_IO_SPACE			0x00000000
334 #define EBAR_PCI_MEMORY_SPACE			0x00000800
335 #define EBAR_PCI_REQ64_FORCE			0x00000000
336 #define EBAR_PCI_REQ64_SIZE			0x00001000
337 
338 /* Window access control */
339 #define EWIN_ACCESS_NOT_ALLOWED 0
340 #define EWIN_ACCESS_READ_ONLY	1
341 #define EWIN_ACCESS_FULL	((1 << 1) | 1)
342 
343 /* structures represents Controller registers */
344 struct kwgbe_barsz {
345 	u32 bar;
346 	u32 size;
347 };
348 
349 struct kwgbe_rxcdp {
350 	struct kwgbe_rxdesc *rxcdp;
351 	u32 rxcdp_pad[3];
352 };
353 
354 struct kwgbe_tqx {
355 	u32 qxttbc;
356 	u32 tqxtbc;
357 	u32 tqxac;
358 	u32 tqxpad;
359 };
360 
361 struct kwgbe_registers {
362 	u32 phyadr;
363 	u32 smi;
364 	u32 euda;
365 	u32 eudid;
366 	u8 pad1[0x080 - 0x00c - 4];
367 	u32 euic;
368 	u32 euim;
369 	u8 pad2[0x094 - 0x084 - 4];
370 	u32 euea;
371 	u32 euiae;
372 	u8 pad3[0x0b0 - 0x098 - 4];
373 	u32 euc;
374 	u8 pad3a[0x200 - 0x0b0 - 4];
375 	struct kwgbe_barsz barsz[6];
376 	u8 pad4[0x280 - 0x22c - 4];
377 	u32 ha_remap[4];
378 	u32 bare;
379 	u32 epap;
380 	u8 pad5[0x400 - 0x294 - 4];
381 	u32 pxc;
382 	u32 pxcx;
383 	u32 mii_ser_params;
384 	u8 pad6[0x410 - 0x408 - 4];
385 	u32 evlane;
386 	u32 macal;
387 	u32 macah;
388 	u32 sdc;
389 	u32 dscp[7];
390 	u32 psc0;
391 	u32 vpt2p;
392 	u32 ps0;
393 	u32 tqc;
394 	u32 psc1;
395 	u32 ps1;
396 	u32 mrvl_header;
397 	u8 pad7[0x460 - 0x454 - 4];
398 	u32 ic;
399 	u32 ice;
400 	u32 pim;
401 	u32 peim;
402 	u8 pad8[0x474 - 0x46c - 4];
403 	u32 pxtfut;
404 	u32 pad9;
405 	u32 pxmfs;
406 	u32 pad10;
407 	u32 pxdfc;
408 	u32 pxofc;
409 	u8 pad11[0x494 - 0x488 - 4];
410 	u32 peuiae;
411 	u8 pad12[0x4bc - 0x494 - 4];
412 	u32 eth_type_prio;
413 	u8 pad13[0x4dc - 0x4bc - 4];
414 	u32 tqfpc;
415 	u32 pttbrc;
416 	u32 tqc1;
417 	u32 pmtu;
418 	u32 pmtbs;
419 	u8 pad14[0x60c - 0x4ec - 4];
420 	struct kwgbe_rxcdp rxcdp[7];
421 	struct kwgbe_rxdesc *rxcdp7;
422 	u32 rqc;
423 	struct kwgbe_txdesc *tcsdp;
424 	u8 pad15[0x6c0 - 0x684 - 4];
425 	struct kwgbe_txdesc *tcqdp[8];
426 	u8 pad16[0x700 - 0x6dc - 4];
427 	struct kwgbe_tqx tqx[8];
428 	u32 pttbc;
429 	u8 pad17[0x7a8 - 0x780 - 4];
430 	u32 tqxipg0;
431 	u32 pad18[3];
432 	u32 tqxipg1;
433 	u8 pad19[0x7c0 - 0x7b8 - 4];
434 	u32 hitkninlopkt;
435 	u32 hitkninasyncpkt;
436 	u32 lotkninasyncpkt;
437 	u32 pad20;
438 	u32 ts;
439 	u8 pad21[0x3000 - 0x27d0 - 4];
440 	u32 pad20_1[32];	/* mib counter registes */
441 	u8 pad22[0x3400 - 0x3000 - sizeof(u32) * 32];
442 	u32 dfsmt[64];
443 	u32 dfomt[64];
444 	u32 dfut[4];
445 	u8 pad23[0xe20c0 - 0x7360c - 4];
446 	u32 pmbus_top_arbiter;
447 };
448 
449 /* structures/enums needed by driver */
450 enum kwgbe_adrwin {
451 	KWGBE_WIN0,
452 	KWGBE_WIN1,
453 	KWGBE_WIN2,
454 	KWGBE_WIN3,
455 	KWGBE_WIN4,
456 	KWGBE_WIN5
457 };
458 
459 enum kwgbe_target {
460 	KWGBE_TARGET_DRAM,
461 	KWGBE_TARGET_DEV,
462 	KWGBE_TARGET_CBS,
463 	KWGBE_TARGET_PCI0,
464 	KWGBE_TARGET_PCI1
465 };
466 
467 struct kwgbe_winparam {
468 	enum kwgbe_adrwin win;	/* Window number */
469 	enum kwgbe_target target;	/* System targets */
470 	u16 attrib;		/* BAR attrib. See above macros */
471 	u32 base_addr;		/* Window base address in u32 form */
472 	u32 high_addr;		/* Window high address in u32 form */
473 	u32 size;		/* Size in MBytes. Must be % 64Kbyte. */
474 	int enable;		/* Enable/disable access to the window. */
475 	u16 access_ctrl;	/*Access ctrl register. see above macros */
476 };
477 
478 struct kwgbe_rxdesc {
479 	u32 cmd_sts;		/* Descriptor command status */
480 	u16 buf_size;		/* Buffer size */
481 	u16 byte_cnt;		/* Descriptor buffer byte count */
482 	u8 *buf_ptr;		/* Descriptor buffer pointer */
483 	struct kwgbe_rxdesc *nxtdesc_p;	/* Next descriptor pointer */
484 };
485 
486 struct kwgbe_txdesc {
487 	u32 cmd_sts;		/* Descriptor command status */
488 	u16 l4i_chk;		/* CPU provided TCP Checksum */
489 	u16 byte_cnt;		/* Descriptor buffer byte count */
490 	u8 *buf_ptr;		/* Descriptor buffer ptr */
491 	struct kwgbe_txdesc *nxtdesc_p;	/* Next descriptor ptr */
492 };
493 
494 /* port device data struct */
495 struct kwgbe_device {
496 	struct eth_device dev;
497 	struct kwgbe_registers *regs;
498 	struct kwgbe_txdesc *p_txdesc;
499 	struct kwgbe_rxdesc *p_rxdesc;
500 	struct kwgbe_rxdesc *p_rxdesc_curr;
501 	u8 *p_rxbuf;
502 	u8 *p_aligned_txbuf;
503 };
504 
505 #endif /* __EGIGA_H__ */
506