2 * drivers/net/gianfar.h
4 * Gianfar Ethernet Driver
5 * Driver for FEC on MPC8540 and TSEC on MPC8540/MPC8560
6 * Based on 8260_io/fcc_enet.c
9 * Maintainer: Kumar Gala (kumar.gala@freescale.com)
11 * Copyright (c) 2002-2004 Freescale Semiconductor, Inc.
13 * This program is free software; you can redistribute it and/or modify it
14 * under the terms of the GNU General Public License as published by the
15 * Free Software Foundation; either version 2 of the License, or (at your
16 * option) any later version.
19 * -Add support for module parameters
20 * -Add patch for ethtool phys id
25 #include <linux/config.h>
26 #include <linux/kernel.h>
27 #include <linux/sched.h>
28 #include <linux/string.h>
29 #include <linux/errno.h>
30 #include <linux/slab.h>
31 #include <linux/interrupt.h>
32 #include <linux/init.h>
33 #include <linux/delay.h>
34 #include <linux/netdevice.h>
35 #include <linux/etherdevice.h>
36 #include <linux/skbuff.h>
37 #include <linux/spinlock.h>
39 #include <linux/mii.h>
40 #include <linux/phy.h>
44 #include <asm/uaccess.h>
45 #include <linux/module.h>
46 #include <linux/version.h>
47 #include <linux/crc32.h>
48 #include <linux/workqueue.h>
49 #include <linux/ethtool.h>
50 #include <linux/netdevice.h>
51 #include <linux/fsl_devices.h>
52 #include "gianfar_mii.h"
54 /* The maximum number of packets to be handled in one call of gfar_poll */
55 #define GFAR_DEV_WEIGHT 64
58 #define GMAC_FCB_LEN 8
60 /* Default padding amount */
61 #define DEFAULT_PADDING 2
63 /* Number of bytes to align the rx bufs to */
64 #define RXBUF_ALIGNMENT 64
66 /* The number of bytes which composes a unit for the purpose of
67 * allocating data buffers. ie-for any given MTU, the data buffer
68 * will be the next highest multiple of 512 bytes. */
69 #define INCREMENTAL_BUFFER_SIZE 512
72 #define MAC_ADDR_LEN 6
74 #define PHY_INIT_TIMEOUT 100000
75 #define GFAR_PHY_CHANGE_TIME 2
77 #define DEVICE_NAME "%s: Gianfar Ethernet Controller Version 1.2, "
78 #define DRV_NAME "gfar-enet"
79 extern const char gfar_driver_name
[];
80 extern const char gfar_driver_version
[];
82 /* These need to be powers of 2 for this driver */
83 #ifdef CONFIG_GFAR_NAPI
84 #define DEFAULT_TX_RING_SIZE 256
85 #define DEFAULT_RX_RING_SIZE 256
87 #define DEFAULT_TX_RING_SIZE 64
88 #define DEFAULT_RX_RING_SIZE 64
91 #define GFAR_RX_MAX_RING_SIZE 256
92 #define GFAR_TX_MAX_RING_SIZE 256
94 #define DEFAULT_RX_BUFFER_SIZE 1536
95 #define TX_RING_MOD_MASK(size) (size-1)
96 #define RX_RING_MOD_MASK(size) (size-1)
97 #define JUMBO_BUFFER_SIZE 9728
98 #define JUMBO_FRAME_SIZE 9600
100 /* Latency of interface clock in nanoseconds */
101 /* Interface clock latency , in this case, means the
102 * time described by a value of 1 in the interrupt
103 * coalescing registers' time fields. Since those fields
104 * refer to the time it takes for 64 clocks to pass, the
105 * latencies are as such:
106 * GBIT = 125MHz => 8ns/clock => 8*64 ns / tick
107 * 100 = 25 MHz => 40ns/clock => 40*64 ns / tick
108 * 10 = 2.5 MHz => 400ns/clock => 400*64 ns / tick
110 #define GFAR_GBIT_TIME 512
111 #define GFAR_100_TIME 2560
112 #define GFAR_10_TIME 25600
114 #define DEFAULT_TX_COALESCE 1
115 #define DEFAULT_TXCOUNT 16
116 #define DEFAULT_TXTIME 400
118 #define DEFAULT_RX_COALESCE 1
119 #define DEFAULT_RXCOUNT 16
120 #define DEFAULT_RXTIME 400
122 #define TBIPA_VALUE 0x1f
123 #define MIIMCFG_INIT_VALUE 0x00000007
124 #define MIIMCFG_RESET 0x80000000
125 #define MIIMIND_BUSY 0x00000001
127 /* MAC register bits */
128 #define MACCFG1_SOFT_RESET 0x80000000
129 #define MACCFG1_RESET_RX_MC 0x00080000
130 #define MACCFG1_RESET_TX_MC 0x00040000
131 #define MACCFG1_RESET_RX_FUN 0x00020000
132 #define MACCFG1_RESET_TX_FUN 0x00010000
133 #define MACCFG1_LOOPBACK 0x00000100
134 #define MACCFG1_RX_FLOW 0x00000020
135 #define MACCFG1_TX_FLOW 0x00000010
136 #define MACCFG1_SYNCD_RX_EN 0x00000008
137 #define MACCFG1_RX_EN 0x00000004
138 #define MACCFG1_SYNCD_TX_EN 0x00000002
139 #define MACCFG1_TX_EN 0x00000001
141 #define MACCFG2_INIT_SETTINGS 0x00007205
142 #define MACCFG2_FULL_DUPLEX 0x00000001
143 #define MACCFG2_IF 0x00000300
144 #define MACCFG2_MII 0x00000100
145 #define MACCFG2_GMII 0x00000200
146 #define MACCFG2_HUGEFRAME 0x00000020
147 #define MACCFG2_LENGTHCHECK 0x00000010
149 #define ECNTRL_INIT_SETTINGS 0x00001000
150 #define ECNTRL_TBI_MODE 0x00000020
152 #define MRBLR_INIT_SETTINGS DEFAULT_RX_BUFFER_SIZE
154 #define MINFLR_INIT_SETTINGS 0x00000040
156 /* Init to do tx snooping for buffers and descriptors */
157 #define DMACTRL_INIT_SETTINGS 0x000000c3
158 #define DMACTRL_GRS 0x00000010
159 #define DMACTRL_GTS 0x00000008
161 #define TSTAT_CLEAR_THALT 0x80000000
163 /* Interrupt coalescing macros */
164 #define IC_ICEN 0x80000000
165 #define IC_ICFT_MASK 0x1fe00000
166 #define IC_ICFT_SHIFT 21
167 #define mk_ic_icft(x) \
168 (((unsigned int)x << IC_ICFT_SHIFT)&IC_ICFT_MASK)
169 #define IC_ICTT_MASK 0x0000ffff
170 #define mk_ic_ictt(x) (x&IC_ICTT_MASK)
172 #define mk_ic_value(count, time) (IC_ICEN | \
173 mk_ic_icft(count) | \
176 #define RCTRL_PAL_MASK 0x001f0000
177 #define RCTRL_VLEX 0x00002000
178 #define RCTRL_FILREN 0x00001000
179 #define RCTRL_GHTX 0x00000400
180 #define RCTRL_IPCSEN 0x00000200
181 #define RCTRL_TUCSEN 0x00000100
182 #define RCTRL_PRSDEP_MASK 0x000000c0
183 #define RCTRL_PRSDEP_INIT 0x000000c0
184 #define RCTRL_PROM 0x00000008
185 #define RCTRL_CHECKSUMMING (RCTRL_IPCSEN \
186 | RCTRL_TUCSEN | RCTRL_PRSDEP_INIT)
187 #define RCTRL_EXTHASH (RCTRL_GHTX)
188 #define RCTRL_VLAN (RCTRL_PRSDEP_INIT)
191 #define RSTAT_CLEAR_RHALT 0x00800000
193 #define TCTRL_IPCSEN 0x00004000
194 #define TCTRL_TUCSEN 0x00002000
195 #define TCTRL_VLINS 0x00001000
196 #define TCTRL_INIT_CSUM (TCTRL_TUCSEN | TCTRL_IPCSEN)
198 #define IEVENT_INIT_CLEAR 0xffffffff
199 #define IEVENT_BABR 0x80000000
200 #define IEVENT_RXC 0x40000000
201 #define IEVENT_BSY 0x20000000
202 #define IEVENT_EBERR 0x10000000
203 #define IEVENT_MSRO 0x04000000
204 #define IEVENT_GTSC 0x02000000
205 #define IEVENT_BABT 0x01000000
206 #define IEVENT_TXC 0x00800000
207 #define IEVENT_TXE 0x00400000
208 #define IEVENT_TXB 0x00200000
209 #define IEVENT_TXF 0x00100000
210 #define IEVENT_LC 0x00040000
211 #define IEVENT_CRL 0x00020000
212 #define IEVENT_XFUN 0x00010000
213 #define IEVENT_RXB0 0x00008000
214 #define IEVENT_GRSC 0x00000100
215 #define IEVENT_RXF0 0x00000080
216 #define IEVENT_FIR 0x00000008
217 #define IEVENT_FIQ 0x00000004
218 #define IEVENT_DPE 0x00000002
219 #define IEVENT_PERR 0x00000001
220 #define IEVENT_RX_MASK (IEVENT_RXB0 | IEVENT_RXF0)
221 #define IEVENT_TX_MASK (IEVENT_TXB | IEVENT_TXF)
222 #define IEVENT_ERR_MASK \
223 (IEVENT_RXC | IEVENT_BSY | IEVENT_EBERR | IEVENT_MSRO | \
224 IEVENT_BABT | IEVENT_TXC | IEVENT_TXE | IEVENT_LC \
225 | IEVENT_CRL | IEVENT_XFUN | IEVENT_DPE | IEVENT_PERR)
227 #define IMASK_INIT_CLEAR 0x00000000
228 #define IMASK_BABR 0x80000000
229 #define IMASK_RXC 0x40000000
230 #define IMASK_BSY 0x20000000
231 #define IMASK_EBERR 0x10000000
232 #define IMASK_MSRO 0x04000000
233 #define IMASK_GRSC 0x02000000
234 #define IMASK_BABT 0x01000000
235 #define IMASK_TXC 0x00800000
236 #define IMASK_TXEEN 0x00400000
237 #define IMASK_TXBEN 0x00200000
238 #define IMASK_TXFEN 0x00100000
239 #define IMASK_LC 0x00040000
240 #define IMASK_CRL 0x00020000
241 #define IMASK_XFUN 0x00010000
242 #define IMASK_RXB0 0x00008000
243 #define IMASK_GTSC 0x00000100
244 #define IMASK_RXFEN0 0x00000080
245 #define IMASK_FIR 0x00000008
246 #define IMASK_FIQ 0x00000004
247 #define IMASK_DPE 0x00000002
248 #define IMASK_PERR 0x00000001
249 #define IMASK_RX_DISABLED ~(IMASK_RXFEN0 | IMASK_BSY)
250 #define IMASK_DEFAULT (IMASK_TXEEN | IMASK_TXFEN | IMASK_TXBEN | \
251 IMASK_RXFEN0 | IMASK_BSY | IMASK_EBERR | IMASK_BABR | \
252 IMASK_XFUN | IMASK_RXC | IMASK_BABT | IMASK_DPE \
256 /* Attribute fields */
258 /* This enables rx snooping for buffers and descriptors */
259 #ifdef CONFIG_GFAR_BDSTASH
260 #define ATTR_BDSTASH 0x00000800
262 #define ATTR_BDSTASH 0x00000000
265 #ifdef CONFIG_GFAR_BUFSTASH
266 #define ATTR_BUFSTASH 0x00004000
267 #define STASH_LENGTH 64
269 #define ATTR_BUFSTASH 0x00000000
272 #define ATTR_SNOOPING 0x000000c0
273 #define ATTR_INIT_SETTINGS (ATTR_SNOOPING \
274 | ATTR_BDSTASH | ATTR_BUFSTASH)
276 #define ATTRELI_INIT_SETTINGS 0x0
279 /* TxBD status field bits */
280 #define TXBD_READY 0x8000
281 #define TXBD_PADCRC 0x4000
282 #define TXBD_WRAP 0x2000
283 #define TXBD_INTERRUPT 0x1000
284 #define TXBD_LAST 0x0800
285 #define TXBD_CRC 0x0400
286 #define TXBD_DEF 0x0200
287 #define TXBD_HUGEFRAME 0x0080
288 #define TXBD_LATECOLLISION 0x0080
289 #define TXBD_RETRYLIMIT 0x0040
290 #define TXBD_RETRYCOUNTMASK 0x003c
291 #define TXBD_UNDERRUN 0x0002
292 #define TXBD_TOE 0x0002
294 /* Tx FCB param bits */
295 #define TXFCB_VLN 0x80
296 #define TXFCB_IP 0x40
297 #define TXFCB_IP6 0x20
298 #define TXFCB_TUP 0x10
299 #define TXFCB_UDP 0x08
300 #define TXFCB_CIP 0x04
301 #define TXFCB_CTU 0x02
302 #define TXFCB_NPH 0x01
303 #define TXFCB_DEFAULT (TXFCB_IP|TXFCB_TUP|TXFCB_CTU|TXFCB_NPH)
305 /* RxBD status field bits */
306 #define RXBD_EMPTY 0x8000
307 #define RXBD_RO1 0x4000
308 #define RXBD_WRAP 0x2000
309 #define RXBD_INTERRUPT 0x1000
310 #define RXBD_LAST 0x0800
311 #define RXBD_FIRST 0x0400
312 #define RXBD_MISS 0x0100
313 #define RXBD_BROADCAST 0x0080
314 #define RXBD_MULTICAST 0x0040
315 #define RXBD_LARGE 0x0020
316 #define RXBD_NONOCTET 0x0010
317 #define RXBD_SHORT 0x0008
318 #define RXBD_CRCERR 0x0004
319 #define RXBD_OVERRUN 0x0002
320 #define RXBD_TRUNCATED 0x0001
321 #define RXBD_STATS 0x01ff
323 /* Rx FCB status field bits */
324 #define RXFCB_VLN 0x8000
325 #define RXFCB_IP 0x4000
326 #define RXFCB_IP6 0x2000
327 #define RXFCB_TUP 0x1000
328 #define RXFCB_CIP 0x0800
329 #define RXFCB_CTU 0x0400
330 #define RXFCB_EIP 0x0200
331 #define RXFCB_ETU 0x0100
332 #define RXFCB_PERR_MASK 0x000c
333 #define RXFCB_PERR_BADL3 0x0008
337 u16 status
; /* Status Fields */
338 u16 length
; /* Buffer length */
339 u32 bufPtr
; /* Buffer Pointer */
352 u8 l4os
; /* Level 4 Header Offset */
353 u8 l3os
; /* Level 3 Header Offset */
354 u16 phcs
; /* Pseudo-header Checksum */
355 u16 vlctl
; /* VLAN control word */
360 u16 status
; /* Status Fields */
361 u16 length
; /* Buffer Length */
362 u32 bufPtr
; /* Buffer Pointer */
374 u8 rq
; /* Receive Queue index */
375 u8 pro
; /* Layer 4 Protocol */
377 u16 vlctl
; /* VLAN control word */
382 u32 tr64
; /* 0x.680 - Transmit and Receive 64-byte Frame Counter */
383 u32 tr127
; /* 0x.684 - Transmit and Receive 65-127 byte Frame Counter */
384 u32 tr255
; /* 0x.688 - Transmit and Receive 128-255 byte Frame Counter */
385 u32 tr511
; /* 0x.68c - Transmit and Receive 256-511 byte Frame Counter */
386 u32 tr1k
; /* 0x.690 - Transmit and Receive 512-1023 byte Frame Counter */
387 u32 trmax
; /* 0x.694 - Transmit and Receive 1024-1518 byte Frame Counter */
388 u32 trmgv
; /* 0x.698 - Transmit and Receive 1519-1522 byte Good VLAN Frame */
389 u32 rbyt
; /* 0x.69c - Receive Byte Counter */
390 u32 rpkt
; /* 0x.6a0 - Receive Packet Counter */
391 u32 rfcs
; /* 0x.6a4 - Receive FCS Error Counter */
392 u32 rmca
; /* 0x.6a8 - Receive Multicast Packet Counter */
393 u32 rbca
; /* 0x.6ac - Receive Broadcast Packet Counter */
394 u32 rxcf
; /* 0x.6b0 - Receive Control Frame Packet Counter */
395 u32 rxpf
; /* 0x.6b4 - Receive Pause Frame Packet Counter */
396 u32 rxuo
; /* 0x.6b8 - Receive Unknown OP Code Counter */
397 u32 raln
; /* 0x.6bc - Receive Alignment Error Counter */
398 u32 rflr
; /* 0x.6c0 - Receive Frame Length Error Counter */
399 u32 rcde
; /* 0x.6c4 - Receive Code Error Counter */
400 u32 rcse
; /* 0x.6c8 - Receive Carrier Sense Error Counter */
401 u32 rund
; /* 0x.6cc - Receive Undersize Packet Counter */
402 u32 rovr
; /* 0x.6d0 - Receive Oversize Packet Counter */
403 u32 rfrg
; /* 0x.6d4 - Receive Fragments Counter */
404 u32 rjbr
; /* 0x.6d8 - Receive Jabber Counter */
405 u32 rdrp
; /* 0x.6dc - Receive Drop Counter */
406 u32 tbyt
; /* 0x.6e0 - Transmit Byte Counter Counter */
407 u32 tpkt
; /* 0x.6e4 - Transmit Packet Counter */
408 u32 tmca
; /* 0x.6e8 - Transmit Multicast Packet Counter */
409 u32 tbca
; /* 0x.6ec - Transmit Broadcast Packet Counter */
410 u32 txpf
; /* 0x.6f0 - Transmit Pause Control Frame Counter */
411 u32 tdfr
; /* 0x.6f4 - Transmit Deferral Packet Counter */
412 u32 tedf
; /* 0x.6f8 - Transmit Excessive Deferral Packet Counter */
413 u32 tscl
; /* 0x.6fc - Transmit Single Collision Packet Counter */
414 u32 tmcl
; /* 0x.700 - Transmit Multiple Collision Packet Counter */
415 u32 tlcl
; /* 0x.704 - Transmit Late Collision Packet Counter */
416 u32 txcl
; /* 0x.708 - Transmit Excessive Collision Packet Counter */
417 u32 tncl
; /* 0x.70c - Transmit Total Collision Counter */
419 u32 tdrp
; /* 0x.714 - Transmit Drop Frame Counter */
420 u32 tjbr
; /* 0x.718 - Transmit Jabber Frame Counter */
421 u32 tfcs
; /* 0x.71c - Transmit FCS Error Counter */
422 u32 txcf
; /* 0x.720 - Transmit Control Frame Counter */
423 u32 tovr
; /* 0x.724 - Transmit Oversize Frame Counter */
424 u32 tund
; /* 0x.728 - Transmit Undersize Frame Counter */
425 u32 tfrg
; /* 0x.72c - Transmit Fragments Frame Counter */
426 u32 car1
; /* 0x.730 - Carry Register One */
427 u32 car2
; /* 0x.734 - Carry Register Two */
428 u32 cam1
; /* 0x.738 - Carry Mask Register One */
429 u32 cam2
; /* 0x.73c - Carry Mask Register Two */
432 struct gfar_extra_stats
{
449 #define GFAR_RMON_LEN ((sizeof(struct rmon_mib) - 16)/sizeof(u32))
450 #define GFAR_EXTRA_STATS_LEN (sizeof(struct gfar_extra_stats)/sizeof(u64))
452 /* Number of stats in the stats structure (ignore car and cam regs)*/
453 #define GFAR_STATS_LEN (GFAR_RMON_LEN + GFAR_EXTRA_STATS_LEN)
455 #define GFAR_INFOSTR_LEN 32
458 u64 extra
[GFAR_EXTRA_STATS_LEN
];
459 u64 rmon
[GFAR_RMON_LEN
];
464 u32 tsec_id
; /* 0x.000 - Controller ID register */
466 u32 ievent
; /* 0x.010 - Interrupt Event Register */
467 u32 imask
; /* 0x.014 - Interrupt Mask Register */
468 u32 edis
; /* 0x.018 - Error Disabled Register */
470 u32 ecntrl
; /* 0x.020 - Ethernet Control Register */
471 u32 minflr
; /* 0x.024 - Minimum Frame Length Register */
472 u32 ptv
; /* 0x.028 - Pause Time Value Register */
473 u32 dmactrl
; /* 0x.02c - DMA Control Register */
474 u32 tbipa
; /* 0x.030 - TBI PHY Address Register */
476 u32 fifo_tx_thr
; /* 0x.08c - FIFO transmit threshold register */
478 u32 fifo_tx_starve
; /* 0x.098 - FIFO transmit starve register */
479 u32 fifo_tx_starve_shutoff
; /* 0x.09c - FIFO transmit starve shutoff register */
481 u32 fifo_rx_pause
; /* 0x.0a4 - FIFO receive pause threshold register */
482 u32 fifo_rx_alarm
; /* 0x.0a8 - FIFO receive alarm threshold register */
484 u32 tctrl
; /* 0x.100 - Transmit Control Register */
485 u32 tstat
; /* 0x.104 - Transmit Status Register */
486 u32 dfvlan
; /* 0x.108 - Default VLAN Control word */
487 u32 tbdlen
; /* 0x.10c - Transmit Buffer Descriptor Data Length Register */
488 u32 txic
; /* 0x.110 - Transmit Interrupt Coalescing Configuration Register */
489 u32 tqueue
; /* 0x.114 - Transmit queue control register */
491 u32 tr03wt
; /* 0x.140 - TxBD Rings 0-3 round-robin weightings */
492 u32 tr47wt
; /* 0x.144 - TxBD Rings 4-7 round-robin weightings */
494 u32 tbdbph
; /* 0x.17c - Tx data buffer pointer high */
496 u32 tbptr0
; /* 0x.184 - TxBD Pointer for ring 0 */
498 u32 tbptr1
; /* 0x.18c - TxBD Pointer for ring 1 */
500 u32 tbptr2
; /* 0x.194 - TxBD Pointer for ring 2 */
502 u32 tbptr3
; /* 0x.19c - TxBD Pointer for ring 3 */
504 u32 tbptr4
; /* 0x.1a4 - TxBD Pointer for ring 4 */
506 u32 tbptr5
; /* 0x.1ac - TxBD Pointer for ring 5 */
508 u32 tbptr6
; /* 0x.1b4 - TxBD Pointer for ring 6 */
510 u32 tbptr7
; /* 0x.1bc - TxBD Pointer for ring 7 */
512 u32 tbaseh
; /* 0x.200 - TxBD base address high */
513 u32 tbase0
; /* 0x.204 - TxBD Base Address of ring 0 */
515 u32 tbase1
; /* 0x.20c - TxBD Base Address of ring 1 */
517 u32 tbase2
; /* 0x.214 - TxBD Base Address of ring 2 */
519 u32 tbase3
; /* 0x.21c - TxBD Base Address of ring 3 */
521 u32 tbase4
; /* 0x.224 - TxBD Base Address of ring 4 */
523 u32 tbase5
; /* 0x.22c - TxBD Base Address of ring 5 */
525 u32 tbase6
; /* 0x.234 - TxBD Base Address of ring 6 */
527 u32 tbase7
; /* 0x.23c - TxBD Base Address of ring 7 */
529 u32 rctrl
; /* 0x.300 - Receive Control Register */
530 u32 rstat
; /* 0x.304 - Receive Status Register */
532 u32 rxic
; /* 0x.310 - Receive Interrupt Coalescing Configuration Register */
533 u32 rqueue
; /* 0x.314 - Receive queue control register */
535 u32 rbifx
; /* 0x.330 - Receive bit field extract control register */
536 u32 rqfar
; /* 0x.334 - Receive queue filing table address register */
537 u32 rqfcr
; /* 0x.338 - Receive queue filing table control register */
538 u32 rqfpr
; /* 0x.33c - Receive queue filing table property register */
539 u32 mrblr
; /* 0x.340 - Maximum Receive Buffer Length Register */
541 u32 rbdbph
; /* 0x.37c - Rx data buffer pointer high */
543 u32 rbptr0
; /* 0x.384 - RxBD pointer for ring 0 */
545 u32 rbptr1
; /* 0x.38c - RxBD pointer for ring 1 */
547 u32 rbptr2
; /* 0x.394 - RxBD pointer for ring 2 */
549 u32 rbptr3
; /* 0x.39c - RxBD pointer for ring 3 */
551 u32 rbptr4
; /* 0x.3a4 - RxBD pointer for ring 4 */
553 u32 rbptr5
; /* 0x.3ac - RxBD pointer for ring 5 */
555 u32 rbptr6
; /* 0x.3b4 - RxBD pointer for ring 6 */
557 u32 rbptr7
; /* 0x.3bc - RxBD pointer for ring 7 */
559 u32 rbaseh
; /* 0x.400 - RxBD base address high */
560 u32 rbase0
; /* 0x.404 - RxBD base address of ring 0 */
562 u32 rbase1
; /* 0x.40c - RxBD base address of ring 1 */
564 u32 rbase2
; /* 0x.414 - RxBD base address of ring 2 */
566 u32 rbase3
; /* 0x.41c - RxBD base address of ring 3 */
568 u32 rbase4
; /* 0x.424 - RxBD base address of ring 4 */
570 u32 rbase5
; /* 0x.42c - RxBD base address of ring 5 */
572 u32 rbase6
; /* 0x.434 - RxBD base address of ring 6 */
574 u32 rbase7
; /* 0x.43c - RxBD base address of ring 7 */
576 u32 maccfg1
; /* 0x.500 - MAC Configuration 1 Register */
577 u32 maccfg2
; /* 0x.504 - MAC Configuration 2 Register */
578 u32 ipgifg
; /* 0x.508 - Inter Packet Gap/Inter Frame Gap Register */
579 u32 hafdup
; /* 0x.50c - Half Duplex Register */
580 u32 maxfrm
; /* 0x.510 - Maximum Frame Length Register */
582 u8 gfar_mii_regs
[24]; /* See gianfar_phy.h */
584 u32 ifstat
; /* 0x.53c - Interface Status Register */
585 u32 macstnaddr1
; /* 0x.540 - Station Address Part 1 Register */
586 u32 macstnaddr2
; /* 0x.544 - Station Address Part 2 Register */
587 u32 mac01addr1
; /* 0x.548 - MAC exact match address 1, part 1 */
588 u32 mac01addr2
; /* 0x.54c - MAC exact match address 1, part 2 */
589 u32 mac02addr1
; /* 0x.550 - MAC exact match address 2, part 1 */
590 u32 mac02addr2
; /* 0x.554 - MAC exact match address 2, part 2 */
591 u32 mac03addr1
; /* 0x.558 - MAC exact match address 3, part 1 */
592 u32 mac03addr2
; /* 0x.55c - MAC exact match address 3, part 2 */
593 u32 mac04addr1
; /* 0x.560 - MAC exact match address 4, part 1 */
594 u32 mac04addr2
; /* 0x.564 - MAC exact match address 4, part 2 */
595 u32 mac05addr1
; /* 0x.568 - MAC exact match address 5, part 1 */
596 u32 mac05addr2
; /* 0x.56c - MAC exact match address 5, part 2 */
597 u32 mac06addr1
; /* 0x.570 - MAC exact match address 6, part 1 */
598 u32 mac06addr2
; /* 0x.574 - MAC exact match address 6, part 2 */
599 u32 mac07addr1
; /* 0x.578 - MAC exact match address 7, part 1 */
600 u32 mac07addr2
; /* 0x.57c - MAC exact match address 7, part 2 */
601 u32 mac08addr1
; /* 0x.580 - MAC exact match address 8, part 1 */
602 u32 mac08addr2
; /* 0x.584 - MAC exact match address 8, part 2 */
603 u32 mac09addr1
; /* 0x.588 - MAC exact match address 9, part 1 */
604 u32 mac09addr2
; /* 0x.58c - MAC exact match address 9, part 2 */
605 u32 mac10addr1
; /* 0x.590 - MAC exact match address 10, part 1*/
606 u32 mac10addr2
; /* 0x.594 - MAC exact match address 10, part 2*/
607 u32 mac11addr1
; /* 0x.598 - MAC exact match address 11, part 1*/
608 u32 mac11addr2
; /* 0x.59c - MAC exact match address 11, part 2*/
609 u32 mac12addr1
; /* 0x.5a0 - MAC exact match address 12, part 1*/
610 u32 mac12addr2
; /* 0x.5a4 - MAC exact match address 12, part 2*/
611 u32 mac13addr1
; /* 0x.5a8 - MAC exact match address 13, part 1*/
612 u32 mac13addr2
; /* 0x.5ac - MAC exact match address 13, part 2*/
613 u32 mac14addr1
; /* 0x.5b0 - MAC exact match address 14, part 1*/
614 u32 mac14addr2
; /* 0x.5b4 - MAC exact match address 14, part 2*/
615 u32 mac15addr1
; /* 0x.5b8 - MAC exact match address 15, part 1*/
616 u32 mac15addr2
; /* 0x.5bc - MAC exact match address 15, part 2*/
618 struct rmon_mib rmon
; /* 0x.680-0x.73c */
619 u32 rrej
; /* 0x.740 - Receive filer rejected packet counter */
621 u32 igaddr0
; /* 0x.800 - Indivdual/Group address register 0*/
622 u32 igaddr1
; /* 0x.804 - Indivdual/Group address register 1*/
623 u32 igaddr2
; /* 0x.808 - Indivdual/Group address register 2*/
624 u32 igaddr3
; /* 0x.80c - Indivdual/Group address register 3*/
625 u32 igaddr4
; /* 0x.810 - Indivdual/Group address register 4*/
626 u32 igaddr5
; /* 0x.814 - Indivdual/Group address register 5*/
627 u32 igaddr6
; /* 0x.818 - Indivdual/Group address register 6*/
628 u32 igaddr7
; /* 0x.81c - Indivdual/Group address register 7*/
630 u32 gaddr0
; /* 0x.880 - Group address register 0 */
631 u32 gaddr1
; /* 0x.884 - Group address register 1 */
632 u32 gaddr2
; /* 0x.888 - Group address register 2 */
633 u32 gaddr3
; /* 0x.88c - Group address register 3 */
634 u32 gaddr4
; /* 0x.890 - Group address register 4 */
635 u32 gaddr5
; /* 0x.894 - Group address register 5 */
636 u32 gaddr6
; /* 0x.898 - Group address register 6 */
637 u32 gaddr7
; /* 0x.89c - Group address register 7 */
639 u32 fifocfg
; /* 0x.a00 - FIFO interface config register */
642 u32 attr
; /* 0x.bf8 - Attributes Register */
643 u32 attreli
; /* 0x.bfc - Attributes Extract Length and Extract Index Register */
648 /* Struct stolen almost completely (and shamelessly) from the FCC enet source
649 * (Ok, that's not so true anymore, but there is a family resemblence)
650 * The GFAR buffer descriptors track the ring buffers. The rx_bd_base
651 * and tx_bd_base always point to the currently available buffer.
652 * The dirty_tx tracks the current buffer that is being sent by the
653 * controller. The cur_tx and dirty_tx are equal under both completely
654 * empty and completely full conditions. The empty/ready indicator in
655 * the buffer descriptor determines the actual condition.
657 struct gfar_private
{
658 /* pointers to arrays of skbuffs for tx and rx */
659 struct sk_buff
** tx_skbuff
;
660 struct sk_buff
** rx_skbuff
;
662 /* indices pointing to the next free sbk in skb arrays */
666 /* index of the first skb which hasn't been transmitted
670 /* Configuration info for the coalescing features */
671 unsigned char txcoalescing
;
672 unsigned short txcount
;
673 unsigned short txtime
;
674 unsigned char rxcoalescing
;
675 unsigned short rxcount
;
676 unsigned short rxtime
;
679 struct rxbd8
*rx_bd_base
; /* Base addresses of Rx and Tx Buffers */
680 struct txbd8
*tx_bd_base
;
681 struct rxbd8
*cur_rx
; /* Next free rx ring entry */
682 struct txbd8
*cur_tx
; /* Next free ring entry */
683 struct txbd8
*dirty_tx
; /* The Ring entry to be freed. */
684 struct gfar
*regs
; /* Pointer to the GFAR memory mapped Registers */
687 struct net_device_stats stats
; /* linux network statistics */
688 struct gfar_extra_stats extra_stats
;
690 unsigned int rx_buffer_size
;
691 unsigned int rx_stash_size
;
692 unsigned int tx_ring_size
;
693 unsigned int rx_ring_size
;
695 unsigned char vlan_enable
:1,
698 unsigned short padding
;
699 struct vlan_group
*vlgrp
;
700 /* Info structure initialized by board setup code */
701 unsigned int interruptTransmit
;
702 unsigned int interruptReceive
;
703 unsigned int interruptError
;
704 struct gianfar_platform_data
*einfo
;
706 struct phy_device
*phydev
;
707 struct mii_bus
*mii_bus
;
715 extern inline u32
gfar_read(volatile unsigned *addr
)
722 extern inline void gfar_write(volatile unsigned *addr
, u32 val
)
727 extern struct ethtool_ops
*gfar_op_array
[];
729 extern irqreturn_t
gfar_receive(int irq
, void *dev_id
, struct pt_regs
*regs
);
730 extern int startup_gfar(struct net_device
*dev
);
731 extern void stop_gfar(struct net_device
*dev
);
732 extern void gfar_halt(struct net_device
*dev
);
733 extern void gfar_phy_test(struct mii_bus
*bus
, struct phy_device
*phydev
,
734 int enable
, u32 regnum
, u32 read
);
735 void gfar_setup_stashing(struct net_device
*dev
);
737 #endif /* __GIANFAR_H */