Merge remote-tracking branch 'omap_dss2/for-next'
[deliverable/linux.git] / drivers / net / ethernet / cadence / macb.h
CommitLineData
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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 */
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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
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69#define MACB_TBQPH 0x04C8
70#define MACB_RBQPH 0x04D4
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71
72/* GEM register offsets. */
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73#define GEM_NCFGR 0x0004 /* Network Config */
74#define GEM_USRIO 0x000c /* User IO */
75#define GEM_DMACFG 0x0010 /* DMA Configuration */
98b5a0f4 76#define GEM_JML 0x0048 /* Jumbo Max Length */
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77#define GEM_HRB 0x0080 /* Hash Bottom */
78#define GEM_HRT 0x0084 /* Hash Top */
79#define GEM_SA1B 0x0088 /* Specific1 Bottom */
80#define GEM_SA1T 0x008C /* Specific1 Top */
81#define GEM_SA2B 0x0090 /* Specific2 Bottom */
82#define GEM_SA2T 0x0094 /* Specific2 Top */
83#define GEM_SA3B 0x0098 /* Specific3 Bottom */
84#define GEM_SA3T 0x009C /* Specific3 Top */
85#define GEM_SA4B 0x00A0 /* Specific4 Bottom */
86#define GEM_SA4T 0x00A4 /* Specific4 Top */
87#define GEM_OTX 0x0100 /* Octets transmitted */
88#define GEM_OCTTXL 0x0100 /* Octets transmitted [31:0] */
89#define GEM_OCTTXH 0x0104 /* Octets transmitted [47:32] */
90#define GEM_TXCNT 0x0108 /* Frames Transmitted counter */
91#define GEM_TXBCCNT 0x010c /* Broadcast Frames counter */
92#define GEM_TXMCCNT 0x0110 /* Multicast Frames counter */
93#define GEM_TXPAUSECNT 0x0114 /* Pause Frames Transmitted Counter */
94#define GEM_TX64CNT 0x0118 /* 64 byte Frames TX counter */
95#define GEM_TX65CNT 0x011c /* 65-127 byte Frames TX counter */
96#define GEM_TX128CNT 0x0120 /* 128-255 byte Frames TX counter */
97#define GEM_TX256CNT 0x0124 /* 256-511 byte Frames TX counter */
98#define GEM_TX512CNT 0x0128 /* 512-1023 byte Frames TX counter */
99#define GEM_TX1024CNT 0x012c /* 1024-1518 byte Frames TX counter */
100#define GEM_TX1519CNT 0x0130 /* 1519+ byte Frames TX counter */
101#define GEM_TXURUNCNT 0x0134 /* TX under run error counter */
102#define GEM_SNGLCOLLCNT 0x0138 /* Single Collision Frame Counter */
103#define GEM_MULTICOLLCNT 0x013c /* Multiple Collision Frame Counter */
104#define GEM_EXCESSCOLLCNT 0x0140 /* Excessive Collision Frame Counter */
105#define GEM_LATECOLLCNT 0x0144 /* Late Collision Frame Counter */
106#define GEM_TXDEFERCNT 0x0148 /* Deferred Transmission Frame Counter */
107#define GEM_TXCSENSECNT 0x014c /* Carrier Sense Error Counter */
108#define GEM_ORX 0x0150 /* Octets received */
109#define GEM_OCTRXL 0x0150 /* Octets received [31:0] */
110#define GEM_OCTRXH 0x0154 /* Octets received [47:32] */
111#define GEM_RXCNT 0x0158 /* Frames Received Counter */
112#define GEM_RXBROADCNT 0x015c /* Broadcast Frames Received Counter */
113#define GEM_RXMULTICNT 0x0160 /* Multicast Frames Received Counter */
114#define GEM_RXPAUSECNT 0x0164 /* Pause Frames Received Counter */
115#define GEM_RX64CNT 0x0168 /* 64 byte Frames RX Counter */
116#define GEM_RX65CNT 0x016c /* 65-127 byte Frames RX Counter */
117#define GEM_RX128CNT 0x0170 /* 128-255 byte Frames RX Counter */
118#define GEM_RX256CNT 0x0174 /* 256-511 byte Frames RX Counter */
119#define GEM_RX512CNT 0x0178 /* 512-1023 byte Frames RX Counter */
120#define GEM_RX1024CNT 0x017c /* 1024-1518 byte Frames RX Counter */
121#define GEM_RX1519CNT 0x0180 /* 1519+ byte Frames RX Counter */
122#define GEM_RXUNDRCNT 0x0184 /* Undersize Frames Received Counter */
123#define GEM_RXOVRCNT 0x0188 /* Oversize Frames Received Counter */
124#define GEM_RXJABCNT 0x018c /* Jabbers Received Counter */
125#define GEM_RXFCSCNT 0x0190 /* Frame Check Sequence Error Counter */
126#define GEM_RXLENGTHCNT 0x0194 /* Length Field Error Counter */
127#define GEM_RXSYMBCNT 0x0198 /* Symbol Error Counter */
128#define GEM_RXALIGNCNT 0x019c /* Alignment Error Counter */
129#define GEM_RXRESERRCNT 0x01a0 /* Receive Resource Error Counter */
130#define GEM_RXORCNT 0x01a4 /* Receive Overrun Counter */
131#define GEM_RXIPCCNT 0x01a8 /* IP header Checksum Error Counter */
132#define GEM_RXTCPCCNT 0x01ac /* TCP Checksum Error Counter */
133#define GEM_RXUDPCCNT 0x01b0 /* UDP Checksum Error Counter */
134#define GEM_DCFG1 0x0280 /* Design Config 1 */
135#define GEM_DCFG2 0x0284 /* Design Config 2 */
136#define GEM_DCFG3 0x0288 /* Design Config 3 */
137#define GEM_DCFG4 0x028c /* Design Config 4 */
138#define GEM_DCFG5 0x0290 /* Design Config 5 */
139#define GEM_DCFG6 0x0294 /* Design Config 6 */
140#define GEM_DCFG7 0x0298 /* Design Config 7 */
141
142#define GEM_ISR(hw_q) (0x0400 + ((hw_q) << 2))
143#define GEM_TBQP(hw_q) (0x0440 + ((hw_q) << 2))
fff8019a 144#define GEM_TBQPH(hw_q) (0x04C8)
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145#define GEM_RBQP(hw_q) (0x0480 + ((hw_q) << 2))
146#define GEM_IER(hw_q) (0x0600 + ((hw_q) << 2))
147#define GEM_IDR(hw_q) (0x0620 + ((hw_q) << 2))
148#define GEM_IMR(hw_q) (0x0640 + ((hw_q) << 2))
02c958dd 149
89e5785f 150/* Bitfields in NCR */
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151#define MACB_LB_OFFSET 0 /* reserved */
152#define MACB_LB_SIZE 1
153#define MACB_LLB_OFFSET 1 /* Loop back local */
154#define MACB_LLB_SIZE 1
155#define MACB_RE_OFFSET 2 /* Receive enable */
156#define MACB_RE_SIZE 1
157#define MACB_TE_OFFSET 3 /* Transmit enable */
158#define MACB_TE_SIZE 1
159#define MACB_MPE_OFFSET 4 /* Management port enable */
160#define MACB_MPE_SIZE 1
161#define MACB_CLRSTAT_OFFSET 5 /* Clear stats regs */
162#define MACB_CLRSTAT_SIZE 1
163#define MACB_INCSTAT_OFFSET 6 /* Incremental stats regs */
164#define MACB_INCSTAT_SIZE 1
165#define MACB_WESTAT_OFFSET 7 /* Write enable stats regs */
166#define MACB_WESTAT_SIZE 1
167#define MACB_BP_OFFSET 8 /* Back pressure */
168#define MACB_BP_SIZE 1
169#define MACB_TSTART_OFFSET 9 /* Start transmission */
170#define MACB_TSTART_SIZE 1
171#define MACB_THALT_OFFSET 10 /* Transmit halt */
172#define MACB_THALT_SIZE 1
173#define MACB_NCR_TPF_OFFSET 11 /* Transmit pause frame */
174#define MACB_NCR_TPF_SIZE 1
175#define MACB_TZQ_OFFSET 12 /* Transmit zero quantum pause frame */
176#define MACB_TZQ_SIZE 1
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177
178/* Bitfields in NCFGR */
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179#define MACB_SPD_OFFSET 0 /* Speed */
180#define MACB_SPD_SIZE 1
181#define MACB_FD_OFFSET 1 /* Full duplex */
182#define MACB_FD_SIZE 1
183#define MACB_BIT_RATE_OFFSET 2 /* Discard non-VLAN frames */
184#define MACB_BIT_RATE_SIZE 1
185#define MACB_JFRAME_OFFSET 3 /* reserved */
186#define MACB_JFRAME_SIZE 1
187#define MACB_CAF_OFFSET 4 /* Copy all frames */
188#define MACB_CAF_SIZE 1
189#define MACB_NBC_OFFSET 5 /* No broadcast */
190#define MACB_NBC_SIZE 1
191#define MACB_NCFGR_MTI_OFFSET 6 /* Multicast hash enable */
192#define MACB_NCFGR_MTI_SIZE 1
193#define MACB_UNI_OFFSET 7 /* Unicast hash enable */
194#define MACB_UNI_SIZE 1
195#define MACB_BIG_OFFSET 8 /* Receive 1536 byte frames */
196#define MACB_BIG_SIZE 1
197#define MACB_EAE_OFFSET 9 /* External address match enable */
198#define MACB_EAE_SIZE 1
199#define MACB_CLK_OFFSET 10
200#define MACB_CLK_SIZE 2
201#define MACB_RTY_OFFSET 12 /* Retry test */
202#define MACB_RTY_SIZE 1
203#define MACB_PAE_OFFSET 13 /* Pause enable */
204#define MACB_PAE_SIZE 1
205#define MACB_RM9200_RMII_OFFSET 13 /* AT91RM9200 only */
206#define MACB_RM9200_RMII_SIZE 1 /* AT91RM9200 only */
207#define MACB_RBOF_OFFSET 14 /* Receive buffer offset */
208#define MACB_RBOF_SIZE 2
209#define MACB_RLCE_OFFSET 16 /* Length field error frame discard */
210#define MACB_RLCE_SIZE 1
211#define MACB_DRFCS_OFFSET 17 /* FCS remove */
212#define MACB_DRFCS_SIZE 1
213#define MACB_EFRHD_OFFSET 18
214#define MACB_EFRHD_SIZE 1
215#define MACB_IRXFCS_OFFSET 19
216#define MACB_IRXFCS_SIZE 1
89e5785f 217
70c9f3d4 218/* GEM specific NCFGR bitfields. */
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219#define GEM_GBE_OFFSET 10 /* Gigabit mode enable */
220#define GEM_GBE_SIZE 1
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221#define GEM_PCSSEL_OFFSET 11
222#define GEM_PCSSEL_SIZE 1
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223#define GEM_CLK_OFFSET 18 /* MDC clock division */
224#define GEM_CLK_SIZE 3
225#define GEM_DBW_OFFSET 21 /* Data bus width */
226#define GEM_DBW_SIZE 2
227#define GEM_RXCOEN_OFFSET 24
228#define GEM_RXCOEN_SIZE 1
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229#define GEM_SGMIIEN_OFFSET 27
230#define GEM_SGMIIEN_SIZE 1
231
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232
233/* Constants for data bus width. */
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234#define GEM_DBW32 0 /* 32 bit AMBA AHB data bus width */
235#define GEM_DBW64 1 /* 64 bit AMBA AHB data bus width */
236#define GEM_DBW128 2 /* 128 bit AMBA AHB data bus width */
757a03c6 237
0116da4f 238/* Bitfields in DMACFG. */
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239#define GEM_FBLDO_OFFSET 0 /* fixed burst length for DMA */
240#define GEM_FBLDO_SIZE 5
a50dad35 241#define GEM_ENDIA_DESC_OFFSET 6 /* endian swap mode for management descriptor access */
ea373041 242#define GEM_ENDIA_DESC_SIZE 1
a50dad35 243#define GEM_ENDIA_PKT_OFFSET 7 /* endian swap mode for packet data access */
ea373041 244#define GEM_ENDIA_PKT_SIZE 1
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245#define GEM_RXBMS_OFFSET 8 /* RX packet buffer memory size select */
246#define GEM_RXBMS_SIZE 2
247#define GEM_TXPBMS_OFFSET 10 /* TX packet buffer memory size select */
248#define GEM_TXPBMS_SIZE 1
249#define GEM_TXCOEN_OFFSET 11 /* TX IP/TCP/UDP checksum gen offload */
250#define GEM_TXCOEN_SIZE 1
251#define GEM_RXBS_OFFSET 16 /* DMA receive buffer size */
252#define GEM_RXBS_SIZE 8
253#define GEM_DDRP_OFFSET 24 /* disc_when_no_ahb */
254#define GEM_DDRP_SIZE 1
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255#define GEM_ADDR64_OFFSET 30 /* Address bus width - 64b or 32b */
256#define GEM_ADDR64_SIZE 1
b3e3bd71 257
0116da4f 258
89e5785f 259/* Bitfields in NSR */
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260#define MACB_NSR_LINK_OFFSET 0 /* pcs_link_state */
261#define MACB_NSR_LINK_SIZE 1
262#define MACB_MDIO_OFFSET 1 /* status of the mdio_in pin */
263#define MACB_MDIO_SIZE 1
264#define MACB_IDLE_OFFSET 2 /* The PHY management logic is idle */
265#define MACB_IDLE_SIZE 1
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266
267/* Bitfields in TSR */
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268#define MACB_UBR_OFFSET 0 /* Used bit read */
269#define MACB_UBR_SIZE 1
270#define MACB_COL_OFFSET 1 /* Collision occurred */
271#define MACB_COL_SIZE 1
272#define MACB_TSR_RLE_OFFSET 2 /* Retry limit exceeded */
273#define MACB_TSR_RLE_SIZE 1
274#define MACB_TGO_OFFSET 3 /* Transmit go */
275#define MACB_TGO_SIZE 1
276#define MACB_BEX_OFFSET 4 /* TX frame corruption due to AHB error */
277#define MACB_BEX_SIZE 1
278#define MACB_RM9200_BNQ_OFFSET 4 /* AT91RM9200 only */
279#define MACB_RM9200_BNQ_SIZE 1 /* AT91RM9200 only */
280#define MACB_COMP_OFFSET 5 /* Trnasmit complete */
281#define MACB_COMP_SIZE 1
282#define MACB_UND_OFFSET 6 /* Trnasmit under run */
283#define MACB_UND_SIZE 1
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284
285/* Bitfields in RSR */
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286#define MACB_BNA_OFFSET 0 /* Buffer not available */
287#define MACB_BNA_SIZE 1
288#define MACB_REC_OFFSET 1 /* Frame received */
289#define MACB_REC_SIZE 1
290#define MACB_OVR_OFFSET 2 /* Receive overrun */
291#define MACB_OVR_SIZE 1
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292
293/* Bitfields in ISR/IER/IDR/IMR */
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294#define MACB_MFD_OFFSET 0 /* Management frame sent */
295#define MACB_MFD_SIZE 1
296#define MACB_RCOMP_OFFSET 1 /* Receive complete */
297#define MACB_RCOMP_SIZE 1
298#define MACB_RXUBR_OFFSET 2 /* RX used bit read */
299#define MACB_RXUBR_SIZE 1
300#define MACB_TXUBR_OFFSET 3 /* TX used bit read */
301#define MACB_TXUBR_SIZE 1
302#define MACB_ISR_TUND_OFFSET 4 /* Enable TX buffer under run interrupt */
303#define MACB_ISR_TUND_SIZE 1
304#define MACB_ISR_RLE_OFFSET 5 /* EN retry exceeded/late coll interrupt */
305#define MACB_ISR_RLE_SIZE 1
306#define MACB_TXERR_OFFSET 6 /* EN TX frame corrupt from error interrupt */
307#define MACB_TXERR_SIZE 1
308#define MACB_TCOMP_OFFSET 7 /* Enable transmit complete interrupt */
309#define MACB_TCOMP_SIZE 1
310#define MACB_ISR_LINK_OFFSET 9 /* Enable link change interrupt */
311#define MACB_ISR_LINK_SIZE 1
312#define MACB_ISR_ROVR_OFFSET 10 /* Enable receive overrun interrupt */
313#define MACB_ISR_ROVR_SIZE 1
314#define MACB_HRESP_OFFSET 11 /* Enable hrsep not OK interrupt */
315#define MACB_HRESP_SIZE 1
316#define MACB_PFR_OFFSET 12 /* Enable pause frame w/ quantum interrupt */
317#define MACB_PFR_SIZE 1
318#define MACB_PTZ_OFFSET 13 /* Enable pause time zero interrupt */
319#define MACB_PTZ_SIZE 1
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320#define MACB_WOL_OFFSET 14 /* Enable wake-on-lan interrupt */
321#define MACB_WOL_SIZE 1
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322
323/* Bitfields in MAN */
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324#define MACB_DATA_OFFSET 0 /* data */
325#define MACB_DATA_SIZE 16
326#define MACB_CODE_OFFSET 16 /* Must be written to 10 */
327#define MACB_CODE_SIZE 2
328#define MACB_REGA_OFFSET 18 /* Register address */
329#define MACB_REGA_SIZE 5
330#define MACB_PHYA_OFFSET 23 /* PHY address */
331#define MACB_PHYA_SIZE 5
332#define MACB_RW_OFFSET 28 /* Operation. 10 is read. 01 is write. */
333#define MACB_RW_SIZE 2
334#define MACB_SOF_OFFSET 30 /* Must be written to 1 for Clause 22 */
335#define MACB_SOF_SIZE 2
89e5785f 336
0cc8674f 337/* Bitfields in USRIO (AVR32) */
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338#define MACB_MII_OFFSET 0
339#define MACB_MII_SIZE 1
340#define MACB_EAM_OFFSET 1
341#define MACB_EAM_SIZE 1
342#define MACB_TX_PAUSE_OFFSET 2
343#define MACB_TX_PAUSE_SIZE 1
344#define MACB_TX_PAUSE_ZERO_OFFSET 3
345#define MACB_TX_PAUSE_ZERO_SIZE 1
346
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AV
347/* Bitfields in USRIO (AT91) */
348#define MACB_RMII_OFFSET 0
349#define MACB_RMII_SIZE 1
5c2fa0f6 350#define GEM_RGMII_OFFSET 0 /* GEM gigabit mode */
140b7552 351#define GEM_RGMII_SIZE 1
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352#define MACB_CLKEN_OFFSET 1
353#define MACB_CLKEN_SIZE 1
354
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355/* Bitfields in WOL */
356#define MACB_IP_OFFSET 0
357#define MACB_IP_SIZE 16
358#define MACB_MAG_OFFSET 16
359#define MACB_MAG_SIZE 1
360#define MACB_ARP_OFFSET 17
361#define MACB_ARP_SIZE 1
362#define MACB_SA1_OFFSET 18
363#define MACB_SA1_SIZE 1
364#define MACB_WOL_MTI_OFFSET 19
365#define MACB_WOL_MTI_SIZE 1
366
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367/* Bitfields in MID */
368#define MACB_IDNUM_OFFSET 16
d941bebf 369#define MACB_IDNUM_SIZE 12
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370#define MACB_REV_OFFSET 0
371#define MACB_REV_SIZE 16
372
757a03c6 373/* Bitfields in DCFG1. */
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374#define GEM_IRQCOR_OFFSET 23
375#define GEM_IRQCOR_SIZE 1
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376#define GEM_DBWDEF_OFFSET 25
377#define GEM_DBWDEF_SIZE 3
378
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379/* Bitfields in DCFG2. */
380#define GEM_RX_PKT_BUFF_OFFSET 20
381#define GEM_RX_PKT_BUFF_SIZE 1
382#define GEM_TX_PKT_BUFF_OFFSET 21
383#define GEM_TX_PKT_BUFF_SIZE 1
384
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385/* Constants for CLK */
386#define MACB_CLK_DIV8 0
387#define MACB_CLK_DIV16 1
388#define MACB_CLK_DIV32 2
389#define MACB_CLK_DIV64 3
390
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391/* GEM specific constants for CLK. */
392#define GEM_CLK_DIV8 0
393#define GEM_CLK_DIV16 1
394#define GEM_CLK_DIV32 2
395#define GEM_CLK_DIV48 3
396#define GEM_CLK_DIV64 4
397#define GEM_CLK_DIV96 5
398
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399/* Constants for MAN register */
400#define MACB_MAN_SOF 1
401#define MACB_MAN_WRITE 1
402#define MACB_MAN_READ 2
403#define MACB_MAN_CODE 2
404
581df9e1 405/* Capability mask bits */
e175587f 406#define MACB_CAPS_ISR_CLEAR_ON_WRITE 0x00000001
a8487489 407#define MACB_CAPS_USRIO_HAS_CLKEN 0x00000002
6bdaa5e9 408#define MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII 0x00000004
222ca8e0 409#define MACB_CAPS_NO_GIGABIT_HALF 0x00000008
ce721a70 410#define MACB_CAPS_USRIO_DISABLED 0x00000010
c5181895 411#define MACB_CAPS_JUMBO 0x00000020
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412#define MACB_CAPS_FIFO_MODE 0x10000000
413#define MACB_CAPS_GIGABIT_MODE_AVAILABLE 0x20000000
a4c35ed3 414#define MACB_CAPS_SG_DISABLED 0x40000000
e175587f 415#define MACB_CAPS_MACB_IS_GEM 0x80000000
581df9e1 416
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417/* Bit manipulation macros */
418#define MACB_BIT(name) \
419 (1 << MACB_##name##_OFFSET)
420#define MACB_BF(name,value) \
421 (((value) & ((1 << MACB_##name##_SIZE) - 1)) \
422 << MACB_##name##_OFFSET)
423#define MACB_BFEXT(name,value)\
424 (((value) >> MACB_##name##_OFFSET) \
425 & ((1 << MACB_##name##_SIZE) - 1))
426#define MACB_BFINS(name,value,old) \
427 (((old) & ~(((1 << MACB_##name##_SIZE) - 1) \
428 << MACB_##name##_OFFSET)) \
429 | MACB_BF(name,value))
430
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431#define GEM_BIT(name) \
432 (1 << GEM_##name##_OFFSET)
433#define GEM_BF(name, value) \
434 (((value) & ((1 << GEM_##name##_SIZE) - 1)) \
435 << GEM_##name##_OFFSET)
436#define GEM_BFEXT(name, value)\
437 (((value) >> GEM_##name##_OFFSET) \
438 & ((1 << GEM_##name##_SIZE) - 1))
439#define GEM_BFINS(name, value, old) \
440 (((old) & ~(((1 << GEM_##name##_SIZE) - 1) \
441 << GEM_##name##_OFFSET)) \
442 | GEM_BF(name, value))
443
89e5785f 444/* Register access macros */
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DM
445#define macb_readl(port, reg) (port)->macb_reg_readl((port), MACB_##reg)
446#define macb_writel(port, reg, value) (port)->macb_reg_writel((port), MACB_##reg, (value))
447#define gem_readl(port, reg) (port)->macb_reg_readl((port), GEM_##reg)
448#define gem_writel(port, reg, value) (port)->macb_reg_writel((port), GEM_##reg, (value))
449#define queue_readl(queue, reg) (queue)->bp->macb_reg_readl((queue)->bp, (queue)->reg)
450#define queue_writel(queue, reg, value) (queue)->bp->macb_reg_writel((queue)->bp, (queue)->reg, (value))
f75ba50b 451
6f79eed8 452/* Conditional GEM/MACB macros. These perform the operation to the correct
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453 * register dependent on whether the device is a GEM or a MACB. For registers
454 * and bitfields that are common across both devices, use macb_{read,write}l
455 * to avoid the cost of the conditional.
456 */
457#define macb_or_gem_writel(__bp, __reg, __value) \
458 ({ \
459 if (macb_is_gem((__bp))) \
460 gem_writel((__bp), __reg, __value); \
461 else \
462 macb_writel((__bp), __reg, __value); \
463 })
464
465#define macb_or_gem_readl(__bp, __reg) \
466 ({ \
467 u32 __v; \
468 if (macb_is_gem((__bp))) \
469 __v = gem_readl((__bp), __reg); \
470 else \
471 __v = macb_readl((__bp), __reg); \
472 __v; \
473 })
89e5785f 474
6f79eed8 475/* struct macb_dma_desc - Hardware DMA descriptor
55054a16
HS
476 * @addr: DMA address of data buffer
477 * @ctrl: Control and status bits
478 */
479struct macb_dma_desc {
89e5785f
HS
480 u32 addr;
481 u32 ctrl;
fff8019a
HK
482#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
483 u32 addrh;
484 u32 resvd;
485#endif
89e5785f
HS
486};
487
488/* DMA descriptor bitfields */
489#define MACB_RX_USED_OFFSET 0
490#define MACB_RX_USED_SIZE 1
491#define MACB_RX_WRAP_OFFSET 1
492#define MACB_RX_WRAP_SIZE 1
493#define MACB_RX_WADDR_OFFSET 2
494#define MACB_RX_WADDR_SIZE 30
495
496#define MACB_RX_FRMLEN_OFFSET 0
497#define MACB_RX_FRMLEN_SIZE 12
498#define MACB_RX_OFFSET_OFFSET 12
499#define MACB_RX_OFFSET_SIZE 2
500#define MACB_RX_SOF_OFFSET 14
501#define MACB_RX_SOF_SIZE 1
502#define MACB_RX_EOF_OFFSET 15
503#define MACB_RX_EOF_SIZE 1
504#define MACB_RX_CFI_OFFSET 16
505#define MACB_RX_CFI_SIZE 1
506#define MACB_RX_VLAN_PRI_OFFSET 17
507#define MACB_RX_VLAN_PRI_SIZE 3
508#define MACB_RX_PRI_TAG_OFFSET 20
509#define MACB_RX_PRI_TAG_SIZE 1
510#define MACB_RX_VLAN_TAG_OFFSET 21
511#define MACB_RX_VLAN_TAG_SIZE 1
512#define MACB_RX_TYPEID_MATCH_OFFSET 22
513#define MACB_RX_TYPEID_MATCH_SIZE 1
514#define MACB_RX_SA4_MATCH_OFFSET 23
515#define MACB_RX_SA4_MATCH_SIZE 1
516#define MACB_RX_SA3_MATCH_OFFSET 24
517#define MACB_RX_SA3_MATCH_SIZE 1
518#define MACB_RX_SA2_MATCH_OFFSET 25
519#define MACB_RX_SA2_MATCH_SIZE 1
520#define MACB_RX_SA1_MATCH_OFFSET 26
521#define MACB_RX_SA1_MATCH_SIZE 1
522#define MACB_RX_EXT_MATCH_OFFSET 28
523#define MACB_RX_EXT_MATCH_SIZE 1
524#define MACB_RX_UHASH_MATCH_OFFSET 29
525#define MACB_RX_UHASH_MATCH_SIZE 1
526#define MACB_RX_MHASH_MATCH_OFFSET 30
527#define MACB_RX_MHASH_MATCH_SIZE 1
528#define MACB_RX_BROADCAST_OFFSET 31
529#define MACB_RX_BROADCAST_SIZE 1
530
98b5a0f4
HK
531#define MACB_RX_FRMLEN_MASK 0xFFF
532#define MACB_RX_JFRMLEN_MASK 0x3FFF
533
924ec53c
CP
534/* RX checksum offload disabled: bit 24 clear in NCFGR */
535#define GEM_RX_TYPEID_MATCH_OFFSET 22
536#define GEM_RX_TYPEID_MATCH_SIZE 2
537
538/* RX checksum offload enabled: bit 24 set in NCFGR */
539#define GEM_RX_CSUM_OFFSET 22
540#define GEM_RX_CSUM_SIZE 2
541
89e5785f
HS
542#define MACB_TX_FRMLEN_OFFSET 0
543#define MACB_TX_FRMLEN_SIZE 11
544#define MACB_TX_LAST_OFFSET 15
545#define MACB_TX_LAST_SIZE 1
546#define MACB_TX_NOCRC_OFFSET 16
547#define MACB_TX_NOCRC_SIZE 1
548#define MACB_TX_BUF_EXHAUSTED_OFFSET 27
549#define MACB_TX_BUF_EXHAUSTED_SIZE 1
550#define MACB_TX_UNDERRUN_OFFSET 28
551#define MACB_TX_UNDERRUN_SIZE 1
552#define MACB_TX_ERROR_OFFSET 29
553#define MACB_TX_ERROR_SIZE 1
554#define MACB_TX_WRAP_OFFSET 30
555#define MACB_TX_WRAP_SIZE 1
556#define MACB_TX_USED_OFFSET 31
557#define MACB_TX_USED_SIZE 1
558
a4c35ed3
CP
559#define GEM_TX_FRMLEN_OFFSET 0
560#define GEM_TX_FRMLEN_SIZE 14
561
924ec53c
CP
562/* Buffer descriptor constants */
563#define GEM_RX_CSUM_NONE 0
564#define GEM_RX_CSUM_IP_ONLY 1
565#define GEM_RX_CSUM_IP_TCP 2
566#define GEM_RX_CSUM_IP_UDP 3
567
568/* limit RX checksum offload to TCP and UDP packets */
569#define GEM_RX_CSUM_CHECKED_MASK 2
570
6f79eed8 571/* struct macb_tx_skb - data about an skb which is being transmitted
a4c35ed3
CP
572 * @skb: skb currently being transmitted, only set for the last buffer
573 * of the frame
574 * @mapping: DMA address of the skb's fragment buffer
575 * @size: size of the DMA mapped buffer
576 * @mapped_as_page: true when buffer was mapped with skb_frag_dma_map(),
577 * false when buffer was mapped with dma_map_single()
55054a16
HS
578 */
579struct macb_tx_skb {
89e5785f
HS
580 struct sk_buff *skb;
581 dma_addr_t mapping;
a4c35ed3
CP
582 size_t size;
583 bool mapped_as_page;
89e5785f
HS
584};
585
6f79eed8 586/* Hardware-collected statistics. Used when updating the network
89e5785f
HS
587 * device stats by a periodic timer.
588 */
589struct macb_stats {
590 u32 rx_pause_frames;
591 u32 tx_ok;
592 u32 tx_single_cols;
593 u32 tx_multiple_cols;
594 u32 rx_ok;
595 u32 rx_fcs_errors;
596 u32 rx_align_errors;
597 u32 tx_deferred;
598 u32 tx_late_cols;
599 u32 tx_excessive_cols;
600 u32 tx_underruns;
601 u32 tx_carrier_errors;
602 u32 rx_resource_errors;
603 u32 rx_overruns;
604 u32 rx_symbol_errors;
605 u32 rx_oversize_pkts;
606 u32 rx_jabbers;
607 u32 rx_undersize_pkts;
608 u32 sqe_test_errors;
609 u32 rx_length_mismatch;
610 u32 tx_pause_frames;
611};
612
a494ed8e
JI
613struct gem_stats {
614 u32 tx_octets_31_0;
615 u32 tx_octets_47_32;
616 u32 tx_frames;
617 u32 tx_broadcast_frames;
618 u32 tx_multicast_frames;
619 u32 tx_pause_frames;
620 u32 tx_64_byte_frames;
621 u32 tx_65_127_byte_frames;
622 u32 tx_128_255_byte_frames;
623 u32 tx_256_511_byte_frames;
624 u32 tx_512_1023_byte_frames;
625 u32 tx_1024_1518_byte_frames;
626 u32 tx_greater_than_1518_byte_frames;
627 u32 tx_underrun;
628 u32 tx_single_collision_frames;
629 u32 tx_multiple_collision_frames;
630 u32 tx_excessive_collisions;
631 u32 tx_late_collisions;
632 u32 tx_deferred_frames;
633 u32 tx_carrier_sense_errors;
634 u32 rx_octets_31_0;
635 u32 rx_octets_47_32;
636 u32 rx_frames;
637 u32 rx_broadcast_frames;
638 u32 rx_multicast_frames;
639 u32 rx_pause_frames;
640 u32 rx_64_byte_frames;
641 u32 rx_65_127_byte_frames;
642 u32 rx_128_255_byte_frames;
643 u32 rx_256_511_byte_frames;
644 u32 rx_512_1023_byte_frames;
645 u32 rx_1024_1518_byte_frames;
646 u32 rx_greater_than_1518_byte_frames;
647 u32 rx_undersized_frames;
648 u32 rx_oversize_frames;
649 u32 rx_jabbers;
650 u32 rx_frame_check_sequence_errors;
651 u32 rx_length_field_frame_errors;
652 u32 rx_symbol_errors;
653 u32 rx_alignment_errors;
654 u32 rx_resource_errors;
655 u32 rx_overruns;
656 u32 rx_ip_header_checksum_errors;
657 u32 rx_tcp_checksum_errors;
658 u32 rx_udp_checksum_errors;
659};
660
3ff13f1c
XH
661/* Describes the name and offset of an individual statistic register, as
662 * returned by `ethtool -S`. Also describes which net_device_stats statistics
663 * this register should contribute to.
664 */
665struct gem_statistic {
666 char stat_string[ETH_GSTRING_LEN];
667 int offset;
668 u32 stat_bits;
669};
670
671/* Bitfield defs for net_device_stat statistics */
672#define GEM_NDS_RXERR_OFFSET 0
673#define GEM_NDS_RXLENERR_OFFSET 1
674#define GEM_NDS_RXOVERERR_OFFSET 2
675#define GEM_NDS_RXCRCERR_OFFSET 3
676#define GEM_NDS_RXFRAMEERR_OFFSET 4
677#define GEM_NDS_RXFIFOERR_OFFSET 5
678#define GEM_NDS_TXERR_OFFSET 6
679#define GEM_NDS_TXABORTEDERR_OFFSET 7
680#define GEM_NDS_TXCARRIERERR_OFFSET 8
681#define GEM_NDS_TXFIFOERR_OFFSET 9
682#define GEM_NDS_COLLISIONS_OFFSET 10
683
684#define GEM_STAT_TITLE(name, title) GEM_STAT_TITLE_BITS(name, title, 0)
685#define GEM_STAT_TITLE_BITS(name, title, bits) { \
686 .stat_string = title, \
687 .offset = GEM_##name, \
688 .stat_bits = bits \
689}
690
691/* list of gem statistic registers. The names MUST match the
692 * corresponding GEM_* definitions.
693 */
694static const struct gem_statistic gem_statistics[] = {
695 GEM_STAT_TITLE(OCTTXL, "tx_octets"), /* OCTTXH combined with OCTTXL */
696 GEM_STAT_TITLE(TXCNT, "tx_frames"),
697 GEM_STAT_TITLE(TXBCCNT, "tx_broadcast_frames"),
698 GEM_STAT_TITLE(TXMCCNT, "tx_multicast_frames"),
699 GEM_STAT_TITLE(TXPAUSECNT, "tx_pause_frames"),
700 GEM_STAT_TITLE(TX64CNT, "tx_64_byte_frames"),
701 GEM_STAT_TITLE(TX65CNT, "tx_65_127_byte_frames"),
702 GEM_STAT_TITLE(TX128CNT, "tx_128_255_byte_frames"),
703 GEM_STAT_TITLE(TX256CNT, "tx_256_511_byte_frames"),
704 GEM_STAT_TITLE(TX512CNT, "tx_512_1023_byte_frames"),
705 GEM_STAT_TITLE(TX1024CNT, "tx_1024_1518_byte_frames"),
706 GEM_STAT_TITLE(TX1519CNT, "tx_greater_than_1518_byte_frames"),
707 GEM_STAT_TITLE_BITS(TXURUNCNT, "tx_underrun",
708 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_TXFIFOERR)),
709 GEM_STAT_TITLE_BITS(SNGLCOLLCNT, "tx_single_collision_frames",
710 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)),
711 GEM_STAT_TITLE_BITS(MULTICOLLCNT, "tx_multiple_collision_frames",
712 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)),
713 GEM_STAT_TITLE_BITS(EXCESSCOLLCNT, "tx_excessive_collisions",
714 GEM_BIT(NDS_TXERR)|
715 GEM_BIT(NDS_TXABORTEDERR)|
716 GEM_BIT(NDS_COLLISIONS)),
717 GEM_STAT_TITLE_BITS(LATECOLLCNT, "tx_late_collisions",
718 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)),
719 GEM_STAT_TITLE(TXDEFERCNT, "tx_deferred_frames"),
720 GEM_STAT_TITLE_BITS(TXCSENSECNT, "tx_carrier_sense_errors",
721 GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)),
722 GEM_STAT_TITLE(OCTRXL, "rx_octets"), /* OCTRXH combined with OCTRXL */
723 GEM_STAT_TITLE(RXCNT, "rx_frames"),
724 GEM_STAT_TITLE(RXBROADCNT, "rx_broadcast_frames"),
725 GEM_STAT_TITLE(RXMULTICNT, "rx_multicast_frames"),
726 GEM_STAT_TITLE(RXPAUSECNT, "rx_pause_frames"),
727 GEM_STAT_TITLE(RX64CNT, "rx_64_byte_frames"),
728 GEM_STAT_TITLE(RX65CNT, "rx_65_127_byte_frames"),
729 GEM_STAT_TITLE(RX128CNT, "rx_128_255_byte_frames"),
730 GEM_STAT_TITLE(RX256CNT, "rx_256_511_byte_frames"),
731 GEM_STAT_TITLE(RX512CNT, "rx_512_1023_byte_frames"),
732 GEM_STAT_TITLE(RX1024CNT, "rx_1024_1518_byte_frames"),
733 GEM_STAT_TITLE(RX1519CNT, "rx_greater_than_1518_byte_frames"),
734 GEM_STAT_TITLE_BITS(RXUNDRCNT, "rx_undersized_frames",
735 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)),
736 GEM_STAT_TITLE_BITS(RXOVRCNT, "rx_oversize_frames",
737 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)),
738 GEM_STAT_TITLE_BITS(RXJABCNT, "rx_jabbers",
739 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)),
740 GEM_STAT_TITLE_BITS(RXFCSCNT, "rx_frame_check_sequence_errors",
741 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXCRCERR)),
742 GEM_STAT_TITLE_BITS(RXLENGTHCNT, "rx_length_field_frame_errors",
743 GEM_BIT(NDS_RXERR)),
744 GEM_STAT_TITLE_BITS(RXSYMBCNT, "rx_symbol_errors",
745 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFRAMEERR)),
746 GEM_STAT_TITLE_BITS(RXALIGNCNT, "rx_alignment_errors",
747 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)),
748 GEM_STAT_TITLE_BITS(RXRESERRCNT, "rx_resource_errors",
749 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)),
750 GEM_STAT_TITLE_BITS(RXORCNT, "rx_overruns",
751 GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFIFOERR)),
752 GEM_STAT_TITLE_BITS(RXIPCCNT, "rx_ip_header_checksum_errors",
753 GEM_BIT(NDS_RXERR)),
754 GEM_STAT_TITLE_BITS(RXTCPCCNT, "rx_tcp_checksum_errors",
755 GEM_BIT(NDS_RXERR)),
756 GEM_STAT_TITLE_BITS(RXUDPCCNT, "rx_udp_checksum_errors",
757 GEM_BIT(NDS_RXERR)),
758};
759
760#define GEM_STATS_LEN ARRAY_SIZE(gem_statistics)
761
4df95131
NF
762struct macb;
763
764struct macb_or_gem_ops {
765 int (*mog_alloc_rx_buffers)(struct macb *bp);
766 void (*mog_free_rx_buffers)(struct macb *bp);
767 void (*mog_init_rings)(struct macb *bp);
768 int (*mog_rx)(struct macb *bp, int budget);
769};
770
e175587f
NF
771struct macb_config {
772 u32 caps;
773 unsigned int dma_burst_length;
c69618b3 774 int (*clk_init)(struct platform_device *pdev, struct clk **pclk,
aead88bd 775 struct clk **hclk, struct clk **tx_clk,
776 struct clk **rx_clk);
421d9df0 777 int (*init)(struct platform_device *pdev);
98b5a0f4 778 int jumbo_max_len;
e175587f
NF
779};
780
02c958dd
CP
781struct macb_queue {
782 struct macb *bp;
783 int irq;
784
785 unsigned int ISR;
786 unsigned int IER;
787 unsigned int IDR;
788 unsigned int IMR;
789 unsigned int TBQP;
fff8019a 790 unsigned int TBQPH;
02c958dd
CP
791
792 unsigned int tx_head, tx_tail;
793 struct macb_dma_desc *tx_ring;
794 struct macb_tx_skb *tx_skb;
795 dma_addr_t tx_ring_dma;
796 struct work_struct tx_error_task;
797};
798
89e5785f
HS
799struct macb {
800 void __iomem *regs;
f2ce8a9e
AS
801 bool native_io;
802
803 /* hardware IO accessors */
7a6e0706
DM
804 u32 (*macb_reg_readl)(struct macb *bp, int offset);
805 void (*macb_reg_writel)(struct macb *bp, int offset, u32 value);
89e5785f
HS
806
807 unsigned int rx_tail;
4df95131 808 unsigned int rx_prepared_head;
55054a16 809 struct macb_dma_desc *rx_ring;
4df95131 810 struct sk_buff **rx_skbuff;
89e5785f 811 void *rx_buffers;
1b44791a 812 size_t rx_buffer_size;
89e5785f 813
02c958dd 814 unsigned int num_queues;
bfa0914a 815 unsigned int queue_mask;
02c958dd 816 struct macb_queue queues[MACB_MAX_QUEUES];
89e5785f
HS
817
818 spinlock_t lock;
819 struct platform_device *pdev;
820 struct clk *pclk;
821 struct clk *hclk;
e1824dfe 822 struct clk *tx_clk;
aead88bd 823 struct clk *rx_clk;
89e5785f 824 struct net_device *dev;
bea3348e 825 struct napi_struct napi;
89e5785f 826 struct net_device_stats stats;
a494ed8e
JI
827 union {
828 struct macb_stats macb;
829 struct gem_stats gem;
830 } hw_stats;
89e5785f
HS
831
832 dma_addr_t rx_ring_dma;
89e5785f
HS
833 dma_addr_t rx_buffers_dma;
834
4df95131
NF
835 struct macb_or_gem_ops macbgem_ops;
836
298cf9be 837 struct mii_bus *mii_bus;
8bcbf82f
AS
838 int link;
839 int speed;
840 int duplex;
fb97a846 841
581df9e1 842 u32 caps;
e175587f 843 unsigned int dma_burst_length;
581df9e1 844
fb97a846 845 phy_interface_t phy_interface;
5833e052 846 struct gpio_desc *reset_gpio;
b85008b7 847
4dda6f6d 848 /* AT91RM9200 transmit */
b85008b7
JE
849 struct sk_buff *skb; /* holds skb until xmit interrupt completes */
850 dma_addr_t skb_physaddr; /* phys addr from pci_map_single */
851 int skb_length; /* saved skb length for pci_unmap_single */
a4c35ed3 852 unsigned int max_tx_length;
3ff13f1c
XH
853
854 u64 ethtool_stats[GEM_STATS_LEN];
98b5a0f4
HK
855
856 unsigned int rx_frm_len_mask;
857 unsigned int jumbo_max_len;
3e2a5e15
SP
858
859 u32 wol;
89e5785f
HS
860};
861
f75ba50b
JI
862static inline bool macb_is_gem(struct macb *bp)
863{
e175587f 864 return !!(bp->caps & MACB_CAPS_MACB_IS_GEM);
f75ba50b
JI
865}
866
89e5785f 867#endif /* _MACB_H */
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