Merge branch 'fix/rt5645' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...
[deliverable/linux.git] / drivers / net / ethernet / cadence / macb.h
CommitLineData
89e5785f
HS
1/*
2 * Atmel MACB Ethernet Controller driver
3 *
4 * Copyright (C) 2004-2006 Atmel Corporation
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10#ifndef _MACB_H
11#define _MACB_H
12
d1d1b53d 13#define MACB_GREGS_NBR 16
7c39994f 14#define MACB_GREGS_VERSION 2
02c958dd 15#define MACB_MAX_QUEUES 8
d1d1b53d 16
89e5785f 17/* MACB register offsets */
6f79eed8
XH
18#define MACB_NCR 0x0000 /* Network Control */
19#define MACB_NCFGR 0x0004 /* Network Config */
20#define MACB_NSR 0x0008 /* Network Status */
21#define MACB_TAR 0x000c /* AT91RM9200 only */
22#define MACB_TCR 0x0010 /* AT91RM9200 only */
23#define MACB_TSR 0x0014 /* Transmit Status */
24#define MACB_RBQP 0x0018 /* RX Q Base Address */
25#define MACB_TBQP 0x001c /* TX Q Base Address */
26#define MACB_RSR 0x0020 /* Receive Status */
27#define MACB_ISR 0x0024 /* Interrupt Status */
28#define MACB_IER 0x0028 /* Interrupt Enable */
29#define MACB_IDR 0x002c /* Interrupt Disable */
30#define MACB_IMR 0x0030 /* Interrupt Mask */
31#define MACB_MAN 0x0034 /* PHY Maintenance */
32#define MACB_PTR 0x0038
33#define MACB_PFR 0x003c
34#define MACB_FTO 0x0040
35#define MACB_SCF 0x0044
36#define MACB_MCF 0x0048
37#define MACB_FRO 0x004c
38#define MACB_FCSE 0x0050
39#define MACB_ALE 0x0054
40#define MACB_DTF 0x0058
41#define MACB_LCOL 0x005c
42#define MACB_EXCOL 0x0060
43#define MACB_TUND 0x0064
44#define MACB_CSE 0x0068
45#define MACB_RRE 0x006c
46#define MACB_ROVR 0x0070
47#define MACB_RSE 0x0074
48#define MACB_ELE 0x0078
49#define MACB_RJA 0x007c
50#define MACB_USF 0x0080
51#define MACB_STE 0x0084
52#define MACB_RLE 0x0088
53#define MACB_TPF 0x008c
54#define MACB_HRB 0x0090
55#define MACB_HRT 0x0094
56#define MACB_SA1B 0x0098
57#define MACB_SA1T 0x009c
58#define MACB_SA2B 0x00a0
59#define MACB_SA2T 0x00a4
60#define MACB_SA3B 0x00a8
61#define MACB_SA3T 0x00ac
62#define MACB_SA4B 0x00b0
63#define MACB_SA4T 0x00b4
64#define MACB_TID 0x00b8
65#define MACB_TPQ 0x00bc
66#define MACB_USRIO 0x00c0
67#define MACB_WOL 0x00c4
68#define MACB_MID 0x00fc
f75ba50b
JI
69
70/* GEM register offsets. */
6f79eed8
XH
71#define GEM_NCFGR 0x0004 /* Network Config */
72#define GEM_USRIO 0x000c /* User IO */
73#define GEM_DMACFG 0x0010 /* DMA Configuration */
98b5a0f4 74#define GEM_JML 0x0048 /* Jumbo Max Length */
6f79eed8
XH
75#define GEM_HRB 0x0080 /* Hash Bottom */
76#define GEM_HRT 0x0084 /* Hash Top */
77#define GEM_SA1B 0x0088 /* Specific1 Bottom */
78#define GEM_SA1T 0x008C /* Specific1 Top */
79#define GEM_SA2B 0x0090 /* Specific2 Bottom */
80#define GEM_SA2T 0x0094 /* Specific2 Top */
81#define GEM_SA3B 0x0098 /* Specific3 Bottom */
82#define GEM_SA3T 0x009C /* Specific3 Top */
83#define GEM_SA4B 0x00A0 /* Specific4 Bottom */
84#define GEM_SA4T 0x00A4 /* Specific4 Top */
85#define GEM_OTX 0x0100 /* Octets transmitted */
86#define GEM_OCTTXL 0x0100 /* Octets transmitted [31:0] */
87#define GEM_OCTTXH 0x0104 /* Octets transmitted [47:32] */
88#define GEM_TXCNT 0x0108 /* Frames Transmitted counter */
89#define GEM_TXBCCNT 0x010c /* Broadcast Frames counter */
90#define GEM_TXMCCNT 0x0110 /* Multicast Frames counter */
91#define GEM_TXPAUSECNT 0x0114 /* Pause Frames Transmitted Counter */
92#define GEM_TX64CNT 0x0118 /* 64 byte Frames TX counter */
93#define GEM_TX65CNT 0x011c /* 65-127 byte Frames TX counter */
94#define GEM_TX128CNT 0x0120 /* 128-255 byte Frames TX counter */
95#define GEM_TX256CNT 0x0124 /* 256-511 byte Frames TX counter */
96#define GEM_TX512CNT 0x0128 /* 512-1023 byte Frames TX counter */
97#define GEM_TX1024CNT 0x012c /* 1024-1518 byte Frames TX counter */
98#define GEM_TX1519CNT 0x0130 /* 1519+ byte Frames TX counter */
99#define GEM_TXURUNCNT 0x0134 /* TX under run error counter */
100#define GEM_SNGLCOLLCNT 0x0138 /* Single Collision Frame Counter */
101#define GEM_MULTICOLLCNT 0x013c /* Multiple Collision Frame Counter */
102#define GEM_EXCESSCOLLCNT 0x0140 /* Excessive Collision Frame Counter */
103#define GEM_LATECOLLCNT 0x0144 /* Late Collision Frame Counter */
104#define GEM_TXDEFERCNT 0x0148 /* Deferred Transmission Frame Counter */
105#define GEM_TXCSENSECNT 0x014c /* Carrier Sense Error Counter */
106#define GEM_ORX 0x0150 /* Octets received */
107#define GEM_OCTRXL 0x0150 /* Octets received [31:0] */
108#define GEM_OCTRXH 0x0154 /* Octets received [47:32] */
109#define GEM_RXCNT 0x0158 /* Frames Received Counter */
110#define GEM_RXBROADCNT 0x015c /* Broadcast Frames Received Counter */
111#define GEM_RXMULTICNT 0x0160 /* Multicast Frames Received Counter */
112#define GEM_RXPAUSECNT 0x0164 /* Pause Frames Received Counter */
113#define GEM_RX64CNT 0x0168 /* 64 byte Frames RX Counter */
114#define GEM_RX65CNT 0x016c /* 65-127 byte Frames RX Counter */
115#define GEM_RX128CNT 0x0170 /* 128-255 byte Frames RX Counter */
116#define GEM_RX256CNT 0x0174 /* 256-511 byte Frames RX Counter */
117#define GEM_RX512CNT 0x0178 /* 512-1023 byte Frames RX Counter */
118#define GEM_RX1024CNT 0x017c /* 1024-1518 byte Frames RX Counter */
119#define GEM_RX1519CNT 0x0180 /* 1519+ byte Frames RX Counter */
120#define GEM_RXUNDRCNT 0x0184 /* Undersize Frames Received Counter */
121#define GEM_RXOVRCNT 0x0188 /* Oversize Frames Received Counter */
122#define GEM_RXJABCNT 0x018c /* Jabbers Received Counter */
123#define GEM_RXFCSCNT 0x0190 /* Frame Check Sequence Error Counter */
124#define GEM_RXLENGTHCNT 0x0194 /* Length Field Error Counter */
125#define GEM_RXSYMBCNT 0x0198 /* Symbol Error Counter */
126#define GEM_RXALIGNCNT 0x019c /* Alignment Error Counter */
127#define GEM_RXRESERRCNT 0x01a0 /* Receive Resource Error Counter */
128#define GEM_RXORCNT 0x01a4 /* Receive Overrun Counter */
129#define GEM_RXIPCCNT 0x01a8 /* IP header Checksum Error Counter */
130#define GEM_RXTCPCCNT 0x01ac /* TCP Checksum Error Counter */
131#define GEM_RXUDPCCNT 0x01b0 /* UDP Checksum Error Counter */
132#define GEM_DCFG1 0x0280 /* Design Config 1 */
133#define GEM_DCFG2 0x0284 /* Design Config 2 */
134#define GEM_DCFG3 0x0288 /* Design Config 3 */
135#define GEM_DCFG4 0x028c /* Design Config 4 */
136#define GEM_DCFG5 0x0290 /* Design Config 5 */
137#define GEM_DCFG6 0x0294 /* Design Config 6 */
138#define GEM_DCFG7 0x0298 /* Design Config 7 */
139
140#define GEM_ISR(hw_q) (0x0400 + ((hw_q) << 2))
141#define GEM_TBQP(hw_q) (0x0440 + ((hw_q) << 2))
142#define GEM_RBQP(hw_q) (0x0480 + ((hw_q) << 2))
143#define GEM_IER(hw_q) (0x0600 + ((hw_q) << 2))
144#define GEM_IDR(hw_q) (0x0620 + ((hw_q) << 2))
145#define GEM_IMR(hw_q) (0x0640 + ((hw_q) << 2))
02c958dd 146
89e5785f 147/* Bitfields in NCR */
6f79eed8
XH
148#define MACB_LB_OFFSET 0 /* reserved */
149#define MACB_LB_SIZE 1
150#define MACB_LLB_OFFSET 1 /* Loop back local */
151#define MACB_LLB_SIZE 1
152#define MACB_RE_OFFSET 2 /* Receive enable */
153#define MACB_RE_SIZE 1
154#define MACB_TE_OFFSET 3 /* Transmit enable */
155#define MACB_TE_SIZE 1
156#define MACB_MPE_OFFSET 4 /* Management port enable */
157#define MACB_MPE_SIZE 1
158#define MACB_CLRSTAT_OFFSET 5 /* Clear stats regs */
159#define MACB_CLRSTAT_SIZE 1
160#define MACB_INCSTAT_OFFSET 6 /* Incremental stats regs */
161#define MACB_INCSTAT_SIZE 1
162#define MACB_WESTAT_OFFSET 7 /* Write enable stats regs */
163#define MACB_WESTAT_SIZE 1
164#define MACB_BP_OFFSET 8 /* Back pressure */
165#define MACB_BP_SIZE 1
166#define MACB_TSTART_OFFSET 9 /* Start transmission */
167#define MACB_TSTART_SIZE 1
168#define MACB_THALT_OFFSET 10 /* Transmit halt */
169#define MACB_THALT_SIZE 1
170#define MACB_NCR_TPF_OFFSET 11 /* Transmit pause frame */
171#define MACB_NCR_TPF_SIZE 1
172#define MACB_TZQ_OFFSET 12 /* Transmit zero quantum pause frame */
173#define MACB_TZQ_SIZE 1
89e5785f
HS
174
175/* Bitfields in NCFGR */
6f79eed8
XH
176#define MACB_SPD_OFFSET 0 /* Speed */
177#define MACB_SPD_SIZE 1
178#define MACB_FD_OFFSET 1 /* Full duplex */
179#define MACB_FD_SIZE 1
180#define MACB_BIT_RATE_OFFSET 2 /* Discard non-VLAN frames */
181#define MACB_BIT_RATE_SIZE 1
182#define MACB_JFRAME_OFFSET 3 /* reserved */
183#define MACB_JFRAME_SIZE 1
184#define MACB_CAF_OFFSET 4 /* Copy all frames */
185#define MACB_CAF_SIZE 1
186#define MACB_NBC_OFFSET 5 /* No broadcast */
187#define MACB_NBC_SIZE 1
188#define MACB_NCFGR_MTI_OFFSET 6 /* Multicast hash enable */
189#define MACB_NCFGR_MTI_SIZE 1
190#define MACB_UNI_OFFSET 7 /* Unicast hash enable */
191#define MACB_UNI_SIZE 1
192#define MACB_BIG_OFFSET 8 /* Receive 1536 byte frames */
193#define MACB_BIG_SIZE 1
194#define MACB_EAE_OFFSET 9 /* External address match enable */
195#define MACB_EAE_SIZE 1
196#define MACB_CLK_OFFSET 10
197#define MACB_CLK_SIZE 2
198#define MACB_RTY_OFFSET 12 /* Retry test */
199#define MACB_RTY_SIZE 1
200#define MACB_PAE_OFFSET 13 /* Pause enable */
201#define MACB_PAE_SIZE 1
202#define MACB_RM9200_RMII_OFFSET 13 /* AT91RM9200 only */
203#define MACB_RM9200_RMII_SIZE 1 /* AT91RM9200 only */
204#define MACB_RBOF_OFFSET 14 /* Receive buffer offset */
205#define MACB_RBOF_SIZE 2
206#define MACB_RLCE_OFFSET 16 /* Length field error frame discard */
207#define MACB_RLCE_SIZE 1
208#define MACB_DRFCS_OFFSET 17 /* FCS remove */
209#define MACB_DRFCS_SIZE 1
210#define MACB_EFRHD_OFFSET 18
211#define MACB_EFRHD_SIZE 1
212#define MACB_IRXFCS_OFFSET 19
213#define MACB_IRXFCS_SIZE 1
89e5785f 214
70c9f3d4 215/* GEM specific NCFGR bitfields. */
6f79eed8
XH
216#define GEM_GBE_OFFSET 10 /* Gigabit mode enable */
217#define GEM_GBE_SIZE 1
218#define GEM_CLK_OFFSET 18 /* MDC clock division */
219#define GEM_CLK_SIZE 3
220#define GEM_DBW_OFFSET 21 /* Data bus width */
221#define GEM_DBW_SIZE 2
222#define GEM_RXCOEN_OFFSET 24
223#define GEM_RXCOEN_SIZE 1
757a03c6
JI
224
225/* Constants for data bus width. */
6f79eed8
XH
226#define GEM_DBW32 0 /* 32 bit AMBA AHB data bus width */
227#define GEM_DBW64 1 /* 64 bit AMBA AHB data bus width */
228#define GEM_DBW128 2 /* 128 bit AMBA AHB data bus width */
757a03c6 229
0116da4f 230/* Bitfields in DMACFG. */
6f79eed8
XH
231#define GEM_FBLDO_OFFSET 0 /* fixed burst length for DMA */
232#define GEM_FBLDO_SIZE 5
a50dad35 233#define GEM_ENDIA_DESC_OFFSET 6 /* endian swap mode for management descriptor access */
ea373041 234#define GEM_ENDIA_DESC_SIZE 1
a50dad35 235#define GEM_ENDIA_PKT_OFFSET 7 /* endian swap mode for packet data access */
ea373041 236#define GEM_ENDIA_PKT_SIZE 1
6f79eed8
XH
237#define GEM_RXBMS_OFFSET 8 /* RX packet buffer memory size select */
238#define GEM_RXBMS_SIZE 2
239#define GEM_TXPBMS_OFFSET 10 /* TX packet buffer memory size select */
240#define GEM_TXPBMS_SIZE 1
241#define GEM_TXCOEN_OFFSET 11 /* TX IP/TCP/UDP checksum gen offload */
242#define GEM_TXCOEN_SIZE 1
243#define GEM_RXBS_OFFSET 16 /* DMA receive buffer size */
244#define GEM_RXBS_SIZE 8
245#define GEM_DDRP_OFFSET 24 /* disc_when_no_ahb */
246#define GEM_DDRP_SIZE 1
b3e3bd71 247
0116da4f 248
89e5785f 249/* Bitfields in NSR */
6f79eed8
XH
250#define MACB_NSR_LINK_OFFSET 0 /* pcs_link_state */
251#define MACB_NSR_LINK_SIZE 1
252#define MACB_MDIO_OFFSET 1 /* status of the mdio_in pin */
253#define MACB_MDIO_SIZE 1
254#define MACB_IDLE_OFFSET 2 /* The PHY management logic is idle */
255#define MACB_IDLE_SIZE 1
89e5785f
HS
256
257/* Bitfields in TSR */
6f79eed8
XH
258#define MACB_UBR_OFFSET 0 /* Used bit read */
259#define MACB_UBR_SIZE 1
260#define MACB_COL_OFFSET 1 /* Collision occurred */
261#define MACB_COL_SIZE 1
262#define MACB_TSR_RLE_OFFSET 2 /* Retry limit exceeded */
263#define MACB_TSR_RLE_SIZE 1
264#define MACB_TGO_OFFSET 3 /* Transmit go */
265#define MACB_TGO_SIZE 1
266#define MACB_BEX_OFFSET 4 /* TX frame corruption due to AHB error */
267#define MACB_BEX_SIZE 1
268#define MACB_RM9200_BNQ_OFFSET 4 /* AT91RM9200 only */
269#define MACB_RM9200_BNQ_SIZE 1 /* AT91RM9200 only */
270#define MACB_COMP_OFFSET 5 /* Trnasmit complete */
271#define MACB_COMP_SIZE 1
272#define MACB_UND_OFFSET 6 /* Trnasmit under run */
273#define MACB_UND_SIZE 1
89e5785f
HS
274
275/* Bitfields in RSR */
6f79eed8
XH
276#define MACB_BNA_OFFSET 0 /* Buffer not available */
277#define MACB_BNA_SIZE 1
278#define MACB_REC_OFFSET 1 /* Frame received */
279#define MACB_REC_SIZE 1
280#define MACB_OVR_OFFSET 2 /* Receive overrun */
281#define MACB_OVR_SIZE 1
89e5785f
HS
282
283/* Bitfields in ISR/IER/IDR/IMR */
6f79eed8
XH
284#define MACB_MFD_OFFSET 0 /* Management frame sent */
285#define MACB_MFD_SIZE 1
286#define MACB_RCOMP_OFFSET 1 /* Receive complete */
287#define MACB_RCOMP_SIZE 1
288#define MACB_RXUBR_OFFSET 2 /* RX used bit read */
289#define MACB_RXUBR_SIZE 1
290#define MACB_TXUBR_OFFSET 3 /* TX used bit read */
291#define MACB_TXUBR_SIZE 1
292#define MACB_ISR_TUND_OFFSET 4 /* Enable TX buffer under run interrupt */
293#define MACB_ISR_TUND_SIZE 1
294#define MACB_ISR_RLE_OFFSET 5 /* EN retry exceeded/late coll interrupt */
295#define MACB_ISR_RLE_SIZE 1
296#define MACB_TXERR_OFFSET 6 /* EN TX frame corrupt from error interrupt */
297#define MACB_TXERR_SIZE 1
298#define MACB_TCOMP_OFFSET 7 /* Enable transmit complete interrupt */
299#define MACB_TCOMP_SIZE 1
300#define MACB_ISR_LINK_OFFSET 9 /* Enable link change interrupt */
301#define MACB_ISR_LINK_SIZE 1
302#define MACB_ISR_ROVR_OFFSET 10 /* Enable receive overrun interrupt */
303#define MACB_ISR_ROVR_SIZE 1
304#define MACB_HRESP_OFFSET 11 /* Enable hrsep not OK interrupt */
305#define MACB_HRESP_SIZE 1
306#define MACB_PFR_OFFSET 12 /* Enable pause frame w/ quantum interrupt */
307#define MACB_PFR_SIZE 1
308#define MACB_PTZ_OFFSET 13 /* Enable pause time zero interrupt */
309#define MACB_PTZ_SIZE 1
89e5785f
HS
310
311/* Bitfields in MAN */
6f79eed8
XH
312#define MACB_DATA_OFFSET 0 /* data */
313#define MACB_DATA_SIZE 16
314#define MACB_CODE_OFFSET 16 /* Must be written to 10 */
315#define MACB_CODE_SIZE 2
316#define MACB_REGA_OFFSET 18 /* Register address */
317#define MACB_REGA_SIZE 5
318#define MACB_PHYA_OFFSET 23 /* PHY address */
319#define MACB_PHYA_SIZE 5
320#define MACB_RW_OFFSET 28 /* Operation. 10 is read. 01 is write. */
321#define MACB_RW_SIZE 2
322#define MACB_SOF_OFFSET 30 /* Must be written to 1 for Clause 22 */
323#define MACB_SOF_SIZE 2
89e5785f 324
0cc8674f 325/* Bitfields in USRIO (AVR32) */
89e5785f
HS
326#define MACB_MII_OFFSET 0
327#define MACB_MII_SIZE 1
328#define MACB_EAM_OFFSET 1
329#define MACB_EAM_SIZE 1
330#define MACB_TX_PAUSE_OFFSET 2
331#define MACB_TX_PAUSE_SIZE 1
332#define MACB_TX_PAUSE_ZERO_OFFSET 3
333#define MACB_TX_PAUSE_ZERO_SIZE 1
334
0cc8674f
AV
335/* Bitfields in USRIO (AT91) */
336#define MACB_RMII_OFFSET 0
337#define MACB_RMII_SIZE 1
5c2fa0f6 338#define GEM_RGMII_OFFSET 0 /* GEM gigabit mode */
140b7552 339#define GEM_RGMII_SIZE 1
0cc8674f
AV
340#define MACB_CLKEN_OFFSET 1
341#define MACB_CLKEN_SIZE 1
342
89e5785f
HS
343/* Bitfields in WOL */
344#define MACB_IP_OFFSET 0
345#define MACB_IP_SIZE 16
346#define MACB_MAG_OFFSET 16
347#define MACB_MAG_SIZE 1
348#define MACB_ARP_OFFSET 17
349#define MACB_ARP_SIZE 1
350#define MACB_SA1_OFFSET 18
351#define MACB_SA1_SIZE 1
352#define MACB_WOL_MTI_OFFSET 19
353#define MACB_WOL_MTI_SIZE 1
354
f75ba50b
JI
355/* Bitfields in MID */
356#define MACB_IDNUM_OFFSET 16
d941bebf 357#define MACB_IDNUM_SIZE 12
f75ba50b
JI
358#define MACB_REV_OFFSET 0
359#define MACB_REV_SIZE 16
360
757a03c6 361/* Bitfields in DCFG1. */
581df9e1
NF
362#define GEM_IRQCOR_OFFSET 23
363#define GEM_IRQCOR_SIZE 1
757a03c6
JI
364#define GEM_DBWDEF_OFFSET 25
365#define GEM_DBWDEF_SIZE 3
366
e175587f
NF
367/* Bitfields in DCFG2. */
368#define GEM_RX_PKT_BUFF_OFFSET 20
369#define GEM_RX_PKT_BUFF_SIZE 1
370#define GEM_TX_PKT_BUFF_OFFSET 21
371#define GEM_TX_PKT_BUFF_SIZE 1
372
89e5785f
HS
373/* Constants for CLK */
374#define MACB_CLK_DIV8 0
375#define MACB_CLK_DIV16 1
376#define MACB_CLK_DIV32 2
377#define MACB_CLK_DIV64 3
378
70c9f3d4
JI
379/* GEM specific constants for CLK. */
380#define GEM_CLK_DIV8 0
381#define GEM_CLK_DIV16 1
382#define GEM_CLK_DIV32 2
383#define GEM_CLK_DIV48 3
384#define GEM_CLK_DIV64 4
385#define GEM_CLK_DIV96 5
386
89e5785f
HS
387/* Constants for MAN register */
388#define MACB_MAN_SOF 1
389#define MACB_MAN_WRITE 1
390#define MACB_MAN_READ 2
391#define MACB_MAN_CODE 2
392
581df9e1 393/* Capability mask bits */
e175587f 394#define MACB_CAPS_ISR_CLEAR_ON_WRITE 0x00000001
a8487489
BB
395#define MACB_CAPS_USRIO_HAS_CLKEN 0x00000002
396#define MACB_CAPS_USRIO_DEFAULT_IS_MII 0x00000004
222ca8e0 397#define MACB_CAPS_NO_GIGABIT_HALF 0x00000008
e175587f
NF
398#define MACB_CAPS_FIFO_MODE 0x10000000
399#define MACB_CAPS_GIGABIT_MODE_AVAILABLE 0x20000000
a4c35ed3 400#define MACB_CAPS_SG_DISABLED 0x40000000
e175587f 401#define MACB_CAPS_MACB_IS_GEM 0x80000000
98b5a0f4 402#define MACB_CAPS_JUMBO 0x00000008
581df9e1 403
89e5785f
HS
404/* Bit manipulation macros */
405#define MACB_BIT(name) \
406 (1 << MACB_##name##_OFFSET)
407#define MACB_BF(name,value) \
408 (((value) & ((1 << MACB_##name##_SIZE) - 1)) \
409 << MACB_##name##_OFFSET)
410#define MACB_BFEXT(name,value)\
411 (((value) >> MACB_##name##_OFFSET) \
412 & ((1 << MACB_##name##_SIZE) - 1))
413#define MACB_BFINS(name,value,old) \
414 (((old) & ~(((1 << MACB_##name##_SIZE) - 1) \
415 << MACB_##name##_OFFSET)) \
416 | MACB_BF(name,value))
417
f75ba50b
JI
418#define GEM_BIT(name) \
419 (1 << GEM_##name##_OFFSET)
420#define GEM_BF(name, value) \
421 (((value) & ((1 << GEM_##name##_SIZE) - 1)) \
422 << GEM_##name##_OFFSET)
423#define GEM_BFEXT(name, value)\
424 (((value) >> GEM_##name##_OFFSET) \
425 & ((1 << GEM_##name##_SIZE) - 1))
426#define GEM_BFINS(name, value, old) \
427 (((old) & ~(((1 << GEM_##name##_SIZE) - 1) \
428 << GEM_##name##_OFFSET)) \
429 | GEM_BF(name, value))
430
89e5785f 431/* Register access macros */
7a6e0706
DM
432#define macb_readl(port, reg) (port)->macb_reg_readl((port), MACB_##reg)
433#define macb_writel(port, reg, value) (port)->macb_reg_writel((port), MACB_##reg, (value))
434#define gem_readl(port, reg) (port)->macb_reg_readl((port), GEM_##reg)
435#define gem_writel(port, reg, value) (port)->macb_reg_writel((port), GEM_##reg, (value))
436#define queue_readl(queue, reg) (queue)->bp->macb_reg_readl((queue)->bp, (queue)->reg)
437#define queue_writel(queue, reg, value) (queue)->bp->macb_reg_writel((queue)->bp, (queue)->reg, (value))
f75ba50b 438
6f79eed8 439/* Conditional GEM/MACB macros. These perform the operation to the correct
f75ba50b
JI
440 * register dependent on whether the device is a GEM or a MACB. For registers
441 * and bitfields that are common across both devices, use macb_{read,write}l
442 * to avoid the cost of the conditional.
443 */
444#define macb_or_gem_writel(__bp, __reg, __value) \
445 ({ \
446 if (macb_is_gem((__bp))) \
447 gem_writel((__bp), __reg, __value); \
448 else \
449 macb_writel((__bp), __reg, __value); \
450 })
451
452#define macb_or_gem_readl(__bp, __reg) \
453 ({ \
454 u32 __v; \
455 if (macb_is_gem((__bp))) \
456 __v = gem_readl((__bp), __reg); \
457 else \
458 __v = macb_readl((__bp), __reg); \
459 __v; \
460 })
89e5785f 461
6f79eed8 462/* struct macb_dma_desc - Hardware DMA descriptor
55054a16
HS
463 * @addr: DMA address of data buffer
464 * @ctrl: Control and status bits
465 */
466struct macb_dma_desc {
89e5785f
HS
467 u32 addr;
468 u32 ctrl;
469};
470
471/* DMA descriptor bitfields */
472#define MACB_RX_USED_OFFSET 0
473#define MACB_RX_USED_SIZE 1
474#define MACB_RX_WRAP_OFFSET 1
475#define MACB_RX_WRAP_SIZE 1
476#define MACB_RX_WADDR_OFFSET 2
477#define MACB_RX_WADDR_SIZE 30
478
479#define MACB_RX_FRMLEN_OFFSET 0
480#define MACB_RX_FRMLEN_SIZE 12
481#define MACB_RX_OFFSET_OFFSET 12
482#define MACB_RX_OFFSET_SIZE 2
483#define MACB_RX_SOF_OFFSET 14
484#define MACB_RX_SOF_SIZE 1
485#define MACB_RX_EOF_OFFSET 15
486#define MACB_RX_EOF_SIZE 1
487#define MACB_RX_CFI_OFFSET 16
488#define MACB_RX_CFI_SIZE 1
489#define MACB_RX_VLAN_PRI_OFFSET 17
490#define MACB_RX_VLAN_PRI_SIZE 3
491#define MACB_RX_PRI_TAG_OFFSET 20
492#define MACB_RX_PRI_TAG_SIZE 1
493#define MACB_RX_VLAN_TAG_OFFSET 21
494#define MACB_RX_VLAN_TAG_SIZE 1
495#define MACB_RX_TYPEID_MATCH_OFFSET 22
496#define MACB_RX_TYPEID_MATCH_SIZE 1
497#define MACB_RX_SA4_MATCH_OFFSET 23
498#define MACB_RX_SA4_MATCH_SIZE 1
499#define MACB_RX_SA3_MATCH_OFFSET 24
500#define MACB_RX_SA3_MATCH_SIZE 1
501#define MACB_RX_SA2_MATCH_OFFSET 25
502#define MACB_RX_SA2_MATCH_SIZE 1
503#define MACB_RX_SA1_MATCH_OFFSET 26
504#define MACB_RX_SA1_MATCH_SIZE 1
505#define MACB_RX_EXT_MATCH_OFFSET 28
506#define MACB_RX_EXT_MATCH_SIZE 1
507#define MACB_RX_UHASH_MATCH_OFFSET 29
508#define MACB_RX_UHASH_MATCH_SIZE 1
509#define MACB_RX_MHASH_MATCH_OFFSET 30
510#define MACB_RX_MHASH_MATCH_SIZE 1
511#define MACB_RX_BROADCAST_OFFSET 31
512#define MACB_RX_BROADCAST_SIZE 1
513
98b5a0f4
HK
514#define MACB_RX_FRMLEN_MASK 0xFFF
515#define MACB_RX_JFRMLEN_MASK 0x3FFF
516
924ec53c
CP
517/* RX checksum offload disabled: bit 24 clear in NCFGR */
518#define GEM_RX_TYPEID_MATCH_OFFSET 22
519#define GEM_RX_TYPEID_MATCH_SIZE 2
520
521/* RX checksum offload enabled: bit 24 set in NCFGR */
522#define GEM_RX_CSUM_OFFSET 22
523#define GEM_RX_CSUM_SIZE 2
524
89e5785f
HS
525#define MACB_TX_FRMLEN_OFFSET 0
526#define MACB_TX_FRMLEN_SIZE 11
527#define MACB_TX_LAST_OFFSET 15
528#define MACB_TX_LAST_SIZE 1
529#define MACB_TX_NOCRC_OFFSET 16
530#define MACB_TX_NOCRC_SIZE 1
531#define MACB_TX_BUF_EXHAUSTED_OFFSET 27
532#define MACB_TX_BUF_EXHAUSTED_SIZE 1
533#define MACB_TX_UNDERRUN_OFFSET 28
534#define MACB_TX_UNDERRUN_SIZE 1
535#define MACB_TX_ERROR_OFFSET 29
536#define MACB_TX_ERROR_SIZE 1
537#define MACB_TX_WRAP_OFFSET 30
538#define MACB_TX_WRAP_SIZE 1
539#define MACB_TX_USED_OFFSET 31
540#define MACB_TX_USED_SIZE 1
541
a4c35ed3
CP
542#define GEM_TX_FRMLEN_OFFSET 0
543#define GEM_TX_FRMLEN_SIZE 14
544
924ec53c
CP
545/* Buffer descriptor constants */
546#define GEM_RX_CSUM_NONE 0
547#define GEM_RX_CSUM_IP_ONLY 1
548#define GEM_RX_CSUM_IP_TCP 2
549#define GEM_RX_CSUM_IP_UDP 3
550
551/* limit RX checksum offload to TCP and UDP packets */
552#define GEM_RX_CSUM_CHECKED_MASK 2
553
6f79eed8 554/* struct macb_tx_skb - data about an skb which is being transmitted
a4c35ed3
CP
555 * @skb: skb currently being transmitted, only set for the last buffer
556 * of the frame
557 * @mapping: DMA address of the skb's fragment buffer
558 * @size: size of the DMA mapped buffer
559 * @mapped_as_page: true when buffer was mapped with skb_frag_dma_map(),
560 * false when buffer was mapped with dma_map_single()
55054a16
HS
561 */
562struct macb_tx_skb {
89e5785f
HS
563 struct sk_buff *skb;
564 dma_addr_t mapping;
a4c35ed3
CP
565 size_t size;
566 bool mapped_as_page;
89e5785f
HS
567};
568
6f79eed8 569/* Hardware-collected statistics. Used when updating the network
89e5785f
HS
570 * device stats by a periodic timer.
571 */
572struct macb_stats {
573 u32 rx_pause_frames;
574 u32 tx_ok;
575 u32 tx_single_cols;
576 u32 tx_multiple_cols;
577 u32 rx_ok;
578 u32 rx_fcs_errors;
579 u32 rx_align_errors;
580 u32 tx_deferred;
581 u32 tx_late_cols;
582 u32 tx_excessive_cols;
583 u32 tx_underruns;
584 u32 tx_carrier_errors;
585 u32 rx_resource_errors;
586 u32 rx_overruns;
587 u32 rx_symbol_errors;
588 u32 rx_oversize_pkts;
589 u32 rx_jabbers;
590 u32 rx_undersize_pkts;
591 u32 sqe_test_errors;
592 u32 rx_length_mismatch;
593 u32 tx_pause_frames;
594};
595
a494ed8e
JI
596struct gem_stats {
597 u32 tx_octets_31_0;
598 u32 tx_octets_47_32;
599 u32 tx_frames;
600 u32 tx_broadcast_frames;
601 u32 tx_multicast_frames;
602 u32 tx_pause_frames;
603 u32 tx_64_byte_frames;
604 u32 tx_65_127_byte_frames;
605 u32 tx_128_255_byte_frames;
606 u32 tx_256_511_byte_frames;
607 u32 tx_512_1023_byte_frames;
608 u32 tx_1024_1518_byte_frames;
609 u32 tx_greater_than_1518_byte_frames;
610 u32 tx_underrun;
611 u32 tx_single_collision_frames;
612 u32 tx_multiple_collision_frames;
613 u32 tx_excessive_collisions;
614 u32 tx_late_collisions;
615 u32 tx_deferred_frames;
616 u32 tx_carrier_sense_errors;
617 u32 rx_octets_31_0;
618 u32 rx_octets_47_32;
619 u32 rx_frames;
620 u32 rx_broadcast_frames;
621 u32 rx_multicast_frames;
622 u32 rx_pause_frames;
623 u32 rx_64_byte_frames;
624 u32 rx_65_127_byte_frames;
625 u32 rx_128_255_byte_frames;
626 u32 rx_256_511_byte_frames;
627 u32 rx_512_1023_byte_frames;
628 u32 rx_1024_1518_byte_frames;
629 u32 rx_greater_than_1518_byte_frames;
630 u32 rx_undersized_frames;
631 u32 rx_oversize_frames;
632 u32 rx_jabbers;
633 u32 rx_frame_check_sequence_errors;
634 u32 rx_length_field_frame_errors;
635 u32 rx_symbol_errors;
636 u32 rx_alignment_errors;
637 u32 rx_resource_errors;
638 u32 rx_overruns;
639 u32 rx_ip_header_checksum_errors;
640 u32 rx_tcp_checksum_errors;
641 u32 rx_udp_checksum_errors;
642};
643
3ff13f1c
XH
644/* Describes the name and offset of an individual statistic register, as
645 * returned by `ethtool -S`. Also describes which net_device_stats statistics
646 * this register should contribute to.
647 */
648struct gem_statistic {
649 char stat_string[ETH_GSTRING_LEN];
650 int offset;
651 u32 stat_bits;
652};
653
654/* Bitfield defs for net_device_stat statistics */
655#define GEM_NDS_RXERR_OFFSET 0
656#define GEM_NDS_RXLENERR_OFFSET 1
657#define GEM_NDS_RXOVERERR_OFFSET 2
658#define GEM_NDS_RXCRCERR_OFFSET 3
659#define GEM_NDS_RXFRAMEERR_OFFSET 4
660#define GEM_NDS_RXFIFOERR_OFFSET 5
661#define GEM_NDS_TXERR_OFFSET 6
662#define GEM_NDS_TXABORTEDERR_OFFSET 7
663#define GEM_NDS_TXCARRIERERR_OFFSET 8
664#define GEM_NDS_TXFIFOERR_OFFSET 9
665#define GEM_NDS_COLLISIONS_OFFSET 10
666
667#define GEM_STAT_TITLE(name, title) GEM_STAT_TITLE_BITS(name, title, 0)
668#define GEM_STAT_TITLE_BITS(name, title, bits) { \
669 .stat_string = title, \
670 .offset = GEM_##name, \
671 .stat_bits = bits \
672}
673
674/* list of gem statistic registers. The names MUST match the
675 * corresponding GEM_* definitions.
676 */
677static const struct gem_statistic gem_statistics[] = {
678 GEM_STAT_TITLE(OCTTXL, "tx_octets"), /* OCTTXH combined with OCTTXL */
679 GEM_STAT_TITLE(TXCNT, "tx_frames"),
680 GEM_STAT_TITLE(TXBCCNT, "tx_broadcast_frames"),
681 GEM_STAT_TITLE(TXMCCNT, "tx_multicast_frames"),
682 GEM_STAT_TITLE(TXPAUSECNT, "tx_pause_frames"),
683 GEM_STAT_TITLE(TX64CNT, "tx_64_byte_frames"),
684 GEM_STAT_TITLE(TX65CNT, "tx_65_127_byte_frames"),
685 GEM_STAT_TITLE(TX128CNT, "tx_128_255_byte_frames"),
686 GEM_STAT_TITLE(TX256CNT, "tx_256_511_byte_frames"),
687 GEM_STAT_TITLE(TX512CNT, "tx_512_1023_byte_frames"),
688 GEM_STAT_TITLE(TX1024CNT, "tx_1024_1518_byte_frames"),
689 GEM_STAT_TITLE(TX1519CNT, "tx_greater_than_1518_byte_frames"),
690 GEM_STAT_TITLE_BITS(TXURUNCNT, "tx_underrun",
691 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_TXFIFOERR)),
692 GEM_STAT_TITLE_BITS(SNGLCOLLCNT, "tx_single_collision_frames",
693 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)),
694 GEM_STAT_TITLE_BITS(MULTICOLLCNT, "tx_multiple_collision_frames",
695 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)),
696 GEM_STAT_TITLE_BITS(EXCESSCOLLCNT, "tx_excessive_collisions",
697 GEM_BIT(NDS_TXERR)|
698 GEM_BIT(NDS_TXABORTEDERR)|
699 GEM_BIT(NDS_COLLISIONS)),
700 GEM_STAT_TITLE_BITS(LATECOLLCNT, "tx_late_collisions",
701 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)),
702 GEM_STAT_TITLE(TXDEFERCNT, "tx_deferred_frames"),
703 GEM_STAT_TITLE_BITS(TXCSENSECNT, "tx_carrier_sense_errors",
704 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)),
705 GEM_STAT_TITLE(OCTRXL, "rx_octets"), /* OCTRXH combined with OCTRXL */
706 GEM_STAT_TITLE(RXCNT, "rx_frames"),
707 GEM_STAT_TITLE(RXBROADCNT, "rx_broadcast_frames"),
708 GEM_STAT_TITLE(RXMULTICNT, "rx_multicast_frames"),
709 GEM_STAT_TITLE(RXPAUSECNT, "rx_pause_frames"),
710 GEM_STAT_TITLE(RX64CNT, "rx_64_byte_frames"),
711 GEM_STAT_TITLE(RX65CNT, "rx_65_127_byte_frames"),
712 GEM_STAT_TITLE(RX128CNT, "rx_128_255_byte_frames"),
713 GEM_STAT_TITLE(RX256CNT, "rx_256_511_byte_frames"),
714 GEM_STAT_TITLE(RX512CNT, "rx_512_1023_byte_frames"),
715 GEM_STAT_TITLE(RX1024CNT, "rx_1024_1518_byte_frames"),
716 GEM_STAT_TITLE(RX1519CNT, "rx_greater_than_1518_byte_frames"),
717 GEM_STAT_TITLE_BITS(RXUNDRCNT, "rx_undersized_frames",
718 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)),
719 GEM_STAT_TITLE_BITS(RXOVRCNT, "rx_oversize_frames",
720 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)),
721 GEM_STAT_TITLE_BITS(RXJABCNT, "rx_jabbers",
722 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)),
723 GEM_STAT_TITLE_BITS(RXFCSCNT, "rx_frame_check_sequence_errors",
724 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXCRCERR)),
725 GEM_STAT_TITLE_BITS(RXLENGTHCNT, "rx_length_field_frame_errors",
726 GEM_BIT(NDS_RXERR)),
727 GEM_STAT_TITLE_BITS(RXSYMBCNT, "rx_symbol_errors",
728 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFRAMEERR)),
729 GEM_STAT_TITLE_BITS(RXALIGNCNT, "rx_alignment_errors",
730 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)),
731 GEM_STAT_TITLE_BITS(RXRESERRCNT, "rx_resource_errors",
732 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)),
733 GEM_STAT_TITLE_BITS(RXORCNT, "rx_overruns",
734 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFIFOERR)),
735 GEM_STAT_TITLE_BITS(RXIPCCNT, "rx_ip_header_checksum_errors",
736 GEM_BIT(NDS_RXERR)),
737 GEM_STAT_TITLE_BITS(RXTCPCCNT, "rx_tcp_checksum_errors",
738 GEM_BIT(NDS_RXERR)),
739 GEM_STAT_TITLE_BITS(RXUDPCCNT, "rx_udp_checksum_errors",
740 GEM_BIT(NDS_RXERR)),
741};
742
743#define GEM_STATS_LEN ARRAY_SIZE(gem_statistics)
744
4df95131
NF
745struct macb;
746
747struct macb_or_gem_ops {
748 int (*mog_alloc_rx_buffers)(struct macb *bp);
749 void (*mog_free_rx_buffers)(struct macb *bp);
750 void (*mog_init_rings)(struct macb *bp);
751 int (*mog_rx)(struct macb *bp, int budget);
752};
753
e175587f
NF
754struct macb_config {
755 u32 caps;
756 unsigned int dma_burst_length;
c69618b3
NF
757 int (*clk_init)(struct platform_device *pdev, struct clk **pclk,
758 struct clk **hclk, struct clk **tx_clk);
421d9df0 759 int (*init)(struct platform_device *pdev);
98b5a0f4 760 int jumbo_max_len;
e175587f
NF
761};
762
02c958dd
CP
763struct macb_queue {
764 struct macb *bp;
765 int irq;
766
767 unsigned int ISR;
768 unsigned int IER;
769 unsigned int IDR;
770 unsigned int IMR;
771 unsigned int TBQP;
772
773 unsigned int tx_head, tx_tail;
774 struct macb_dma_desc *tx_ring;
775 struct macb_tx_skb *tx_skb;
776 dma_addr_t tx_ring_dma;
777 struct work_struct tx_error_task;
778};
779
89e5785f
HS
780struct macb {
781 void __iomem *regs;
f2ce8a9e
AS
782 bool native_io;
783
784 /* hardware IO accessors */
7a6e0706
DM
785 u32 (*macb_reg_readl)(struct macb *bp, int offset);
786 void (*macb_reg_writel)(struct macb *bp, int offset, u32 value);
89e5785f
HS
787
788 unsigned int rx_tail;
4df95131 789 unsigned int rx_prepared_head;
55054a16 790 struct macb_dma_desc *rx_ring;
4df95131 791 struct sk_buff **rx_skbuff;
89e5785f 792 void *rx_buffers;
1b44791a 793 size_t rx_buffer_size;
89e5785f 794
02c958dd 795 unsigned int num_queues;
bfa0914a 796 unsigned int queue_mask;
02c958dd 797 struct macb_queue queues[MACB_MAX_QUEUES];
89e5785f
HS
798
799 spinlock_t lock;
800 struct platform_device *pdev;
801 struct clk *pclk;
802 struct clk *hclk;
e1824dfe 803 struct clk *tx_clk;
89e5785f 804 struct net_device *dev;
bea3348e 805 struct napi_struct napi;
89e5785f 806 struct net_device_stats stats;
a494ed8e
JI
807 union {
808 struct macb_stats macb;
809 struct gem_stats gem;
810 } hw_stats;
89e5785f
HS
811
812 dma_addr_t rx_ring_dma;
89e5785f
HS
813 dma_addr_t rx_buffers_dma;
814
4df95131
NF
815 struct macb_or_gem_ops macbgem_ops;
816
298cf9be 817 struct mii_bus *mii_bus;
6c36a707 818 struct phy_device *phy_dev;
8bcbf82f
AS
819 int link;
820 int speed;
821 int duplex;
fb97a846 822
581df9e1 823 u32 caps;
e175587f 824 unsigned int dma_burst_length;
581df9e1 825
fb97a846 826 phy_interface_t phy_interface;
b85008b7 827
4dda6f6d 828 /* AT91RM9200 transmit */
b85008b7
JE
829 struct sk_buff *skb; /* holds skb until xmit interrupt completes */
830 dma_addr_t skb_physaddr; /* phys addr from pci_map_single */
831 int skb_length; /* saved skb length for pci_unmap_single */
a4c35ed3 832 unsigned int max_tx_length;
3ff13f1c
XH
833
834 u64 ethtool_stats[GEM_STATS_LEN];
98b5a0f4
HK
835
836 unsigned int rx_frm_len_mask;
837 unsigned int jumbo_max_len;
89e5785f
HS
838};
839
f75ba50b
JI
840static inline bool macb_is_gem(struct macb *bp)
841{
e175587f 842 return !!(bp->caps & MACB_CAPS_MACB_IS_GEM);
f75ba50b
JI
843}
844
89e5785f 845#endif /* _MACB_H */
This page took 0.846857 seconds and 5 git commands to generate.