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ondemand: Solve a big performance issue by counting IOWAIT time as busy
[linux/fpc-iii.git] / drivers / net / jme.h
blob07ad3a457185c3f440c65e9d2a04cb6de1214aa3
1 /*
2 * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
3 *
4 * Copyright 2008 JMicron Technology Corporation
5 * http://www.jmicron.com/
6 *
7 * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 */
23
24 #ifndef __JME_H_INCLUDED__
25 #define __JME_H_INCLUDED__
26
27 #define DRV_NAME "jme"
28 #define DRV_VERSION "1.0.6"
29 #define PFX DRV_NAME ": "
30
31 #define PCI_DEVICE_ID_JMICRON_JMC250 0x0250
32 #define PCI_DEVICE_ID_JMICRON_JMC260 0x0260
33
34 /*
35 * Message related definitions
36 */
37 #define JME_DEF_MSG_ENABLE \
38 (NETIF_MSG_PROBE | \
39 NETIF_MSG_LINK | \
40 NETIF_MSG_RX_ERR | \
41 NETIF_MSG_TX_ERR | \
42 NETIF_MSG_HW)
43
44 #define jeprintk(pdev, fmt, args...) \
45 printk(KERN_ERR PFX fmt, ## args)
46
47 #ifdef TX_DEBUG
48 #define tx_dbg(priv, fmt, args...) \
49 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args)
50 #else
51 #define tx_dbg(priv, fmt, args...) \
52 do { \
53 if (0) \
54 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args); \
55 } while (0)
56 #endif
57
58 /*
59 * Extra PCI Configuration space interface
60 */
61 #define PCI_DCSR_MRRS 0x59
62 #define PCI_DCSR_MRRS_MASK 0x70
63
64 enum pci_dcsr_mrrs_vals {
65 MRRS_128B = 0x00,
66 MRRS_256B = 0x10,
67 MRRS_512B = 0x20,
68 MRRS_1024B = 0x30,
69 MRRS_2048B = 0x40,
70 MRRS_4096B = 0x50,
71 };
72
73 #define PCI_SPI 0xB0
74
75 enum pci_spi_bits {
76 SPI_EN = 0x10,
77 SPI_MISO = 0x08,
78 SPI_MOSI = 0x04,
79 SPI_SCLK = 0x02,
80 SPI_CS = 0x01,
81 };
82
83 struct jme_spi_op {
84 void __user *uwbuf;
85 void __user *urbuf;
86 __u8 wn; /* Number of write actions */
87 __u8 rn; /* Number of read actions */
88 __u8 bitn; /* Number of bits per action */
89 __u8 spd; /* The maxim acceptable speed of controller, in MHz.*/
90 __u8 mode; /* CPOL, CPHA, and Duplex mode of SPI */
91
92 /* Internal use only */
93 u8 *kwbuf;
94 u8 *krbuf;
95 u8 sr;
96 u16 halfclk; /* Half of clock cycle calculated from spd, in ns */
97 };
98
99 enum jme_spi_op_bits {
100 SPI_MODE_CPHA = 0x01,
101 SPI_MODE_CPOL = 0x02,
102 SPI_MODE_DUP = 0x80,
103 };
104
105 #define HALF_US 500 /* 500 ns */
106 #define JMESPIIOCTL SIOCDEVPRIVATE
107
108 /*
109 * Dynamic(adaptive)/Static PCC values
110 */
111 enum dynamic_pcc_values {
112 PCC_OFF = 0,
113 PCC_P1 = 1,
114 PCC_P2 = 2,
115 PCC_P3 = 3,
116
117 PCC_OFF_TO = 0,
118 PCC_P1_TO = 1,
119 PCC_P2_TO = 64,
120 PCC_P3_TO = 128,
121
122 PCC_OFF_CNT = 0,
123 PCC_P1_CNT = 1,
124 PCC_P2_CNT = 16,
125 PCC_P3_CNT = 32,
126 };
127 struct dynpcc_info {
128 unsigned long last_bytes;
129 unsigned long last_pkts;
130 unsigned long intr_cnt;
131 unsigned char cur;
132 unsigned char attempt;
133 unsigned char cnt;
134 };
135 #define PCC_INTERVAL_US 100000
136 #define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US))
137 #define PCC_P3_THRESHOLD (2 * 1024 * 1024)
138 #define PCC_P2_THRESHOLD 800
139 #define PCC_INTR_THRESHOLD 800
140 #define PCC_TX_TO 1000
141 #define PCC_TX_CNT 8
142
143 /*
144 * TX/RX Descriptors
145 *
146 * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
147 */
148 #define RING_DESC_ALIGN 16 /* Descriptor alignment */
149 #define TX_DESC_SIZE 16
150 #define TX_RING_NR 8
151 #define TX_RING_ALLOC_SIZE(s) ((s * TX_DESC_SIZE) + RING_DESC_ALIGN)
152
153 struct txdesc {
154 union {
155 __u8 all[16];
156 __le32 dw[4];
157 struct {
158 /* DW0 */
159 __le16 vlan;
160 __u8 rsv1;
161 __u8 flags;
162
163 /* DW1 */
164 __le16 datalen;
165 __le16 mss;
166
167 /* DW2 */
168 __le16 pktsize;
169 __le16 rsv2;
170
171 /* DW3 */
172 __le32 bufaddr;
173 } desc1;
174 struct {
175 /* DW0 */
176 __le16 rsv1;
177 __u8 rsv2;
178 __u8 flags;
179
180 /* DW1 */
181 __le16 datalen;
182 __le16 rsv3;
183
184 /* DW2 */
185 __le32 bufaddrh;
186
187 /* DW3 */
188 __le32 bufaddrl;
189 } desc2;
190 struct {
191 /* DW0 */
192 __u8 ehdrsz;
193 __u8 rsv1;
194 __u8 rsv2;
195 __u8 flags;
196
197 /* DW1 */
198 __le16 trycnt;
199 __le16 segcnt;
200
201 /* DW2 */
202 __le16 pktsz;
203 __le16 rsv3;
204
205 /* DW3 */
206 __le32 bufaddrl;
207 } descwb;
208 };
209 };
210
211 enum jme_txdesc_flags_bits {
212 TXFLAG_OWN = 0x80,
213 TXFLAG_INT = 0x40,
214 TXFLAG_64BIT = 0x20,
215 TXFLAG_TCPCS = 0x10,
216 TXFLAG_UDPCS = 0x08,
217 TXFLAG_IPCS = 0x04,
218 TXFLAG_LSEN = 0x02,
219 TXFLAG_TAGON = 0x01,
220 };
221
222 #define TXDESC_MSS_SHIFT 2
223 enum jme_txwbdesc_flags_bits {
224 TXWBFLAG_OWN = 0x80,
225 TXWBFLAG_INT = 0x40,
226 TXWBFLAG_TMOUT = 0x20,
227 TXWBFLAG_TRYOUT = 0x10,
228 TXWBFLAG_COL = 0x08,
229
230 TXWBFLAG_ALLERR = TXWBFLAG_TMOUT |
231 TXWBFLAG_TRYOUT |
232 TXWBFLAG_COL,
233 };
234
235 #define RX_DESC_SIZE 16
236 #define RX_RING_NR 4
237 #define RX_RING_ALLOC_SIZE(s) ((s * RX_DESC_SIZE) + RING_DESC_ALIGN)
238 #define RX_BUF_DMA_ALIGN 8
239 #define RX_PREPAD_SIZE 10
240 #define ETH_CRC_LEN 2
241 #define RX_VLANHDR_LEN 2
242 #define RX_EXTRA_LEN (RX_PREPAD_SIZE + \
243 ETH_HLEN + \
244 ETH_CRC_LEN + \
245 RX_VLANHDR_LEN + \
246 RX_BUF_DMA_ALIGN)
247
248 struct rxdesc {
249 union {
250 __u8 all[16];
251 __le32 dw[4];
252 struct {
253 /* DW0 */
254 __le16 rsv2;
255 __u8 rsv1;
256 __u8 flags;
257
258 /* DW1 */
259 __le16 datalen;
260 __le16 wbcpl;
261
262 /* DW2 */
263 __le32 bufaddrh;
264
265 /* DW3 */
266 __le32 bufaddrl;
267 } desc1;
268 struct {
269 /* DW0 */
270 __le16 vlan;
271 __le16 flags;
272
273 /* DW1 */
274 __le16 framesize;
275 __u8 errstat;
276 __u8 desccnt;
277
278 /* DW2 */
279 __le32 rsshash;
280
281 /* DW3 */
282 __u8 hashfun;
283 __u8 hashtype;
284 __le16 resrv;
285 } descwb;
286 };
287 };
288
289 enum jme_rxdesc_flags_bits {
290 RXFLAG_OWN = 0x80,
291 RXFLAG_INT = 0x40,
292 RXFLAG_64BIT = 0x20,
293 };
294
295 enum jme_rxwbdesc_flags_bits {
296 RXWBFLAG_OWN = 0x8000,
297 RXWBFLAG_INT = 0x4000,
298 RXWBFLAG_MF = 0x2000,
299 RXWBFLAG_64BIT = 0x2000,
300 RXWBFLAG_TCPON = 0x1000,
301 RXWBFLAG_UDPON = 0x0800,
302 RXWBFLAG_IPCS = 0x0400,
303 RXWBFLAG_TCPCS = 0x0200,
304 RXWBFLAG_UDPCS = 0x0100,
305 RXWBFLAG_TAGON = 0x0080,
306 RXWBFLAG_IPV4 = 0x0040,
307 RXWBFLAG_IPV6 = 0x0020,
308 RXWBFLAG_PAUSE = 0x0010,
309 RXWBFLAG_MAGIC = 0x0008,
310 RXWBFLAG_WAKEUP = 0x0004,
311 RXWBFLAG_DEST = 0x0003,
312 RXWBFLAG_DEST_UNI = 0x0001,
313 RXWBFLAG_DEST_MUL = 0x0002,
314 RXWBFLAG_DEST_BRO = 0x0003,
315 };
316
317 enum jme_rxwbdesc_desccnt_mask {
318 RXWBDCNT_WBCPL = 0x80,
319 RXWBDCNT_DCNT = 0x7F,
320 };
321
322 enum jme_rxwbdesc_errstat_bits {
323 RXWBERR_LIMIT = 0x80,
324 RXWBERR_MIIER = 0x40,
325 RXWBERR_NIBON = 0x20,
326 RXWBERR_COLON = 0x10,
327 RXWBERR_ABORT = 0x08,
328 RXWBERR_SHORT = 0x04,
329 RXWBERR_OVERUN = 0x02,
330 RXWBERR_CRCERR = 0x01,
331 RXWBERR_ALLERR = 0xFF,
332 };
333
334 /*
335 * Buffer information corresponding to ring descriptors.
336 */
337 struct jme_buffer_info {
338 struct sk_buff *skb;
339 dma_addr_t mapping;
340 int len;
341 int nr_desc;
342 unsigned long start_xmit;
343 };
344
345 /*
346 * The structure holding buffer information and ring descriptors all together.
347 */
348 struct jme_ring {
349 void *alloc; /* pointer to allocated memory */
350 void *desc; /* pointer to ring memory */
351 dma_addr_t dmaalloc; /* phys address of ring alloc */
352 dma_addr_t dma; /* phys address for ring dma */
353
354 /* Buffer information corresponding to each descriptor */
355 struct jme_buffer_info *bufinf;
356
357 int next_to_use;
358 atomic_t next_to_clean;
359 atomic_t nr_free;
360 };
361
362 #define NET_STAT(priv) (priv->dev->stats)
363 #define NETDEV_GET_STATS(netdev, fun_ptr)
364 #define DECLARE_NET_DEVICE_STATS
365
366 #define DECLARE_NAPI_STRUCT struct napi_struct napi;
367 #define NETIF_NAPI_SET(dev, napis, pollfn, q) \
368 netif_napi_add(dev, napis, pollfn, q);
369 #define JME_NAPI_HOLDER(holder) struct napi_struct *holder
370 #define JME_NAPI_WEIGHT(w) int w
371 #define JME_NAPI_WEIGHT_VAL(w) w
372 #define JME_NAPI_WEIGHT_SET(w, r)
373 #define JME_RX_COMPLETE(dev, napis) napi_complete(napis)
374 #define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
375 #define JME_NAPI_DISABLE(priv) \
376 if (!napi_disable_pending(&priv->napi)) \
377 napi_disable(&priv->napi);
378 #define JME_RX_SCHEDULE_PREP(priv) \
379 napi_schedule_prep(&priv->napi)
380 #define JME_RX_SCHEDULE(priv) \
381 __napi_schedule(&priv->napi);
382
383 /*
384 * Jmac Adapter Private data
385 */
386 struct jme_adapter {
387 struct pci_dev *pdev;
388 struct net_device *dev;
389 void __iomem *regs;
390 struct mii_if_info mii_if;
391 struct jme_ring rxring[RX_RING_NR];
392 struct jme_ring txring[TX_RING_NR];
393 spinlock_t phy_lock;
394 spinlock_t macaddr_lock;
395 spinlock_t rxmcs_lock;
396 struct tasklet_struct rxempty_task;
397 struct tasklet_struct rxclean_task;
398 struct tasklet_struct txclean_task;
399 struct tasklet_struct linkch_task;
400 struct tasklet_struct pcc_task;
401 unsigned long flags;
402 u32 reg_txcs;
403 u32 reg_txpfc;
404 u32 reg_rxcs;
405 u32 reg_rxmcs;
406 u32 reg_ghc;
407 u32 reg_pmcs;
408 u32 phylink;
409 u32 tx_ring_size;
410 u32 tx_ring_mask;
411 u32 tx_wake_threshold;
412 u32 rx_ring_size;
413 u32 rx_ring_mask;
414 u8 mrrs;
415 unsigned int fpgaver;
416 unsigned int chiprev;
417 u8 rev;
418 u32 msg_enable;
419 struct ethtool_cmd old_ecmd;
420 unsigned int old_mtu;
421 struct vlan_group *vlgrp;
422 struct dynpcc_info dpi;
423 atomic_t intr_sem;
424 atomic_t link_changing;
425 atomic_t tx_cleaning;
426 atomic_t rx_cleaning;
427 atomic_t rx_empty;
428 int (*jme_rx)(struct sk_buff *skb);
429 int (*jme_vlan_rx)(struct sk_buff *skb,
430 struct vlan_group *grp,
431 unsigned short vlan_tag);
432 DECLARE_NAPI_STRUCT
433 DECLARE_NET_DEVICE_STATS
434 };
435
436 enum jme_flags_bits {
437 JME_FLAG_MSI = 1,
438 JME_FLAG_SSET = 2,
439 JME_FLAG_TXCSUM = 3,
440 JME_FLAG_TSO = 4,
441 JME_FLAG_POLL = 5,
442 JME_FLAG_SHUTDOWN = 6,
443 };
444
445 #define TX_TIMEOUT (5 * HZ)
446 #define JME_REG_LEN 0x500
447 #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216
448
449 static inline struct jme_adapter*
450 jme_napi_priv(struct napi_struct *napi)
451 {
452 struct jme_adapter *jme;
453 jme = container_of(napi, struct jme_adapter, napi);
454 return jme;
455 }
456
457 /*
458 * MMaped I/O Resters
459 */
460 enum jme_iomap_offsets {
461 JME_MAC = 0x0000,
462 JME_PHY = 0x0400,
463 JME_MISC = 0x0800,
464 JME_RSS = 0x0C00,
465 };
466
467 enum jme_iomap_lens {
468 JME_MAC_LEN = 0x80,
469 JME_PHY_LEN = 0x58,
470 JME_MISC_LEN = 0x98,
471 JME_RSS_LEN = 0xFF,
472 };
473
474 enum jme_iomap_regs {
475 JME_TXCS = JME_MAC | 0x00, /* Transmit Control and Status */
476 JME_TXDBA_LO = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
477 JME_TXDBA_HI = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
478 JME_TXQDC = JME_MAC | 0x0C, /* Transmit Queue Desc Count */
479 JME_TXNDA = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
480 JME_TXMCS = JME_MAC | 0x14, /* Transmit MAC Control Status */
481 JME_TXPFC = JME_MAC | 0x18, /* Transmit Pause Frame Control */
482 JME_TXTRHD = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */
483
484 JME_RXCS = JME_MAC | 0x20, /* Receive Control and Status */
485 JME_RXDBA_LO = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
486 JME_RXDBA_HI = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
487 JME_RXQDC = JME_MAC | 0x2C, /* Receive Queue Desc Count */
488 JME_RXNDA = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
489 JME_RXMCS = JME_MAC | 0x34, /* Receive MAC Control Status */
490 JME_RXUMA_LO = JME_MAC | 0x38, /* Receive Unicast MAC Address */
491 JME_RXUMA_HI = JME_MAC | 0x3C, /* Receive Unicast MAC Address */
492 JME_RXMCHT_LO = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
493 JME_RXMCHT_HI = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
494 JME_WFODP = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
495 JME_WFOI = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */
496
497 JME_SMI = JME_MAC | 0x50, /* Station Management Interface */
498 JME_GHC = JME_MAC | 0x54, /* Global Host Control */
499 JME_PMCS = JME_MAC | 0x60, /* Power Management Control/Stat */
500
501
502 JME_PHY_CS = JME_PHY | 0x28, /* PHY Ctrl and Status Register */
503 JME_PHY_LINK = JME_PHY | 0x30, /* PHY Link Status Register */
504 JME_SMBCSR = JME_PHY | 0x40, /* SMB Control and Status */
505 JME_SMBINTF = JME_PHY | 0x44, /* SMB Interface */
506
507
508 JME_TMCSR = JME_MISC | 0x00, /* Timer Control/Status Register */
509 JME_GPREG0 = JME_MISC | 0x08, /* General purpose REG-0 */
510 JME_GPREG1 = JME_MISC | 0x0C, /* General purpose REG-1 */
511 JME_IEVE = JME_MISC | 0x20, /* Interrupt Event Status */
512 JME_IREQ = JME_MISC | 0x24, /* Intr Req Status(For Debug) */
513 JME_IENS = JME_MISC | 0x28, /* Intr Enable - Setting Port */
514 JME_IENC = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */
515 JME_PCCRX0 = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */
516 JME_PCCTX = JME_MISC | 0x40, /* PCC Control for TX Queues */
517 JME_CHIPMODE = JME_MISC | 0x44, /* Identify FPGA Version */
518 JME_SHBA_HI = JME_MISC | 0x48, /* Shadow Register Base HI */
519 JME_SHBA_LO = JME_MISC | 0x4C, /* Shadow Register Base LO */
520 JME_TIMER1 = JME_MISC | 0x70, /* Timer1 */
521 JME_TIMER2 = JME_MISC | 0x74, /* Timer2 */
522 JME_APMC = JME_MISC | 0x7C, /* Aggressive Power Mode Control */
523 JME_PCCSRX0 = JME_MISC | 0x80, /* PCC Status of RX0 */
524 };
525
526 /*
527 * TX Control/Status Bits
528 */
529 enum jme_txcs_bits {
530 TXCS_QUEUE7S = 0x00008000,
531 TXCS_QUEUE6S = 0x00004000,
532 TXCS_QUEUE5S = 0x00002000,
533 TXCS_QUEUE4S = 0x00001000,
534 TXCS_QUEUE3S = 0x00000800,
535 TXCS_QUEUE2S = 0x00000400,
536 TXCS_QUEUE1S = 0x00000200,
537 TXCS_QUEUE0S = 0x00000100,
538 TXCS_FIFOTH = 0x000000C0,
539 TXCS_DMASIZE = 0x00000030,
540 TXCS_BURST = 0x00000004,
541 TXCS_ENABLE = 0x00000001,
542 };
543
544 enum jme_txcs_value {
545 TXCS_FIFOTH_16QW = 0x000000C0,
546 TXCS_FIFOTH_12QW = 0x00000080,
547 TXCS_FIFOTH_8QW = 0x00000040,
548 TXCS_FIFOTH_4QW = 0x00000000,
549
550 TXCS_DMASIZE_64B = 0x00000000,
551 TXCS_DMASIZE_128B = 0x00000010,
552 TXCS_DMASIZE_256B = 0x00000020,
553 TXCS_DMASIZE_512B = 0x00000030,
554
555 TXCS_SELECT_QUEUE0 = 0x00000000,
556 TXCS_SELECT_QUEUE1 = 0x00010000,
557 TXCS_SELECT_QUEUE2 = 0x00020000,
558 TXCS_SELECT_QUEUE3 = 0x00030000,
559 TXCS_SELECT_QUEUE4 = 0x00040000,
560 TXCS_SELECT_QUEUE5 = 0x00050000,
561 TXCS_SELECT_QUEUE6 = 0x00060000,
562 TXCS_SELECT_QUEUE7 = 0x00070000,
563
564 TXCS_DEFAULT = TXCS_FIFOTH_4QW |
565 TXCS_BURST,
566 };
567
568 #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
569
570 /*
571 * TX MAC Control/Status Bits
572 */
573 enum jme_txmcs_bit_masks {
574 TXMCS_IFG2 = 0xC0000000,
575 TXMCS_IFG1 = 0x30000000,
576 TXMCS_TTHOLD = 0x00000300,
577 TXMCS_FBURST = 0x00000080,
578 TXMCS_CARRIEREXT = 0x00000040,
579 TXMCS_DEFER = 0x00000020,
580 TXMCS_BACKOFF = 0x00000010,
581 TXMCS_CARRIERSENSE = 0x00000008,
582 TXMCS_COLLISION = 0x00000004,
583 TXMCS_CRC = 0x00000002,
584 TXMCS_PADDING = 0x00000001,
585 };
586
587 enum jme_txmcs_values {
588 TXMCS_IFG2_6_4 = 0x00000000,
589 TXMCS_IFG2_8_5 = 0x40000000,
590 TXMCS_IFG2_10_6 = 0x80000000,
591 TXMCS_IFG2_12_7 = 0xC0000000,
592
593 TXMCS_IFG1_8_4 = 0x00000000,
594 TXMCS_IFG1_12_6 = 0x10000000,
595 TXMCS_IFG1_16_8 = 0x20000000,
596 TXMCS_IFG1_20_10 = 0x30000000,
597
598 TXMCS_TTHOLD_1_8 = 0x00000000,
599 TXMCS_TTHOLD_1_4 = 0x00000100,
600 TXMCS_TTHOLD_1_2 = 0x00000200,
601 TXMCS_TTHOLD_FULL = 0x00000300,
602
603 TXMCS_DEFAULT = TXMCS_IFG2_8_5 |
604 TXMCS_IFG1_16_8 |
605 TXMCS_TTHOLD_FULL |
606 TXMCS_DEFER |
607 TXMCS_CRC |
608 TXMCS_PADDING,
609 };
610
611 enum jme_txpfc_bits_masks {
612 TXPFC_VLAN_TAG = 0xFFFF0000,
613 TXPFC_VLAN_EN = 0x00008000,
614 TXPFC_PF_EN = 0x00000001,
615 };
616
617 enum jme_txtrhd_bits_masks {
618 TXTRHD_TXPEN = 0x80000000,
619 TXTRHD_TXP = 0x7FFFFF00,
620 TXTRHD_TXREN = 0x00000080,
621 TXTRHD_TXRL = 0x0000007F,
622 };
623
624 enum jme_txtrhd_shifts {
625 TXTRHD_TXP_SHIFT = 8,
626 TXTRHD_TXRL_SHIFT = 0,
627 };
628
629 /*
630 * RX Control/Status Bits
631 */
632 enum jme_rxcs_bit_masks {
633 /* FIFO full threshold for transmitting Tx Pause Packet */
634 RXCS_FIFOTHTP = 0x30000000,
635 /* FIFO threshold for processing next packet */
636 RXCS_FIFOTHNP = 0x0C000000,
637 RXCS_DMAREQSZ = 0x03000000, /* DMA Request Size */
638 RXCS_QUEUESEL = 0x00030000, /* Queue selection */
639 RXCS_RETRYGAP = 0x0000F000, /* RX Desc full retry gap */
640 RXCS_RETRYCNT = 0x00000F00, /* RX Desc full retry counter */
641 RXCS_WAKEUP = 0x00000040, /* Enable receive wakeup packet */
642 RXCS_MAGIC = 0x00000020, /* Enable receive magic packet */
643 RXCS_SHORT = 0x00000010, /* Enable receive short packet */
644 RXCS_ABORT = 0x00000008, /* Enable receive errorr packet */
645 RXCS_QST = 0x00000004, /* Receive queue start */
646 RXCS_SUSPEND = 0x00000002,
647 RXCS_ENABLE = 0x00000001,
648 };
649
650 enum jme_rxcs_values {
651 RXCS_FIFOTHTP_16T = 0x00000000,
652 RXCS_FIFOTHTP_32T = 0x10000000,
653 RXCS_FIFOTHTP_64T = 0x20000000,
654 RXCS_FIFOTHTP_128T = 0x30000000,
655
656 RXCS_FIFOTHNP_16QW = 0x00000000,
657 RXCS_FIFOTHNP_32QW = 0x04000000,
658 RXCS_FIFOTHNP_64QW = 0x08000000,
659 RXCS_FIFOTHNP_128QW = 0x0C000000,
660
661 RXCS_DMAREQSZ_16B = 0x00000000,
662 RXCS_DMAREQSZ_32B = 0x01000000,
663 RXCS_DMAREQSZ_64B = 0x02000000,
664 RXCS_DMAREQSZ_128B = 0x03000000,
665
666 RXCS_QUEUESEL_Q0 = 0x00000000,
667 RXCS_QUEUESEL_Q1 = 0x00010000,
668 RXCS_QUEUESEL_Q2 = 0x00020000,
669 RXCS_QUEUESEL_Q3 = 0x00030000,
670
671 RXCS_RETRYGAP_256ns = 0x00000000,
672 RXCS_RETRYGAP_512ns = 0x00001000,
673 RXCS_RETRYGAP_1024ns = 0x00002000,
674 RXCS_RETRYGAP_2048ns = 0x00003000,
675 RXCS_RETRYGAP_4096ns = 0x00004000,
676 RXCS_RETRYGAP_8192ns = 0x00005000,
677 RXCS_RETRYGAP_16384ns = 0x00006000,
678 RXCS_RETRYGAP_32768ns = 0x00007000,
679
680 RXCS_RETRYCNT_0 = 0x00000000,
681 RXCS_RETRYCNT_4 = 0x00000100,
682 RXCS_RETRYCNT_8 = 0x00000200,
683 RXCS_RETRYCNT_12 = 0x00000300,
684 RXCS_RETRYCNT_16 = 0x00000400,
685 RXCS_RETRYCNT_20 = 0x00000500,
686 RXCS_RETRYCNT_24 = 0x00000600,
687 RXCS_RETRYCNT_28 = 0x00000700,
688 RXCS_RETRYCNT_32 = 0x00000800,
689 RXCS_RETRYCNT_36 = 0x00000900,
690 RXCS_RETRYCNT_40 = 0x00000A00,
691 RXCS_RETRYCNT_44 = 0x00000B00,
692 RXCS_RETRYCNT_48 = 0x00000C00,
693 RXCS_RETRYCNT_52 = 0x00000D00,
694 RXCS_RETRYCNT_56 = 0x00000E00,
695 RXCS_RETRYCNT_60 = 0x00000F00,
696
697 RXCS_DEFAULT = RXCS_FIFOTHTP_128T |
698 RXCS_FIFOTHNP_128QW |
699 RXCS_DMAREQSZ_128B |
700 RXCS_RETRYGAP_256ns |
701 RXCS_RETRYCNT_32,
702 };
703
704 #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
705
706 /*
707 * RX MAC Control/Status Bits
708 */
709 enum jme_rxmcs_bits {
710 RXMCS_ALLFRAME = 0x00000800,
711 RXMCS_BRDFRAME = 0x00000400,
712 RXMCS_MULFRAME = 0x00000200,
713 RXMCS_UNIFRAME = 0x00000100,
714 RXMCS_ALLMULFRAME = 0x00000080,
715 RXMCS_MULFILTERED = 0x00000040,
716 RXMCS_RXCOLLDEC = 0x00000020,
717 RXMCS_FLOWCTRL = 0x00000008,
718 RXMCS_VTAGRM = 0x00000004,
719 RXMCS_PREPAD = 0x00000002,
720 RXMCS_CHECKSUM = 0x00000001,
721
722 RXMCS_DEFAULT = RXMCS_VTAGRM |
723 RXMCS_PREPAD |
724 RXMCS_FLOWCTRL |
725 RXMCS_CHECKSUM,
726 };
727
728 /*
729 * Wakeup Frame setup interface registers
730 */
731 #define WAKEUP_FRAME_NR 8
732 #define WAKEUP_FRAME_MASK_DWNR 4
733
734 enum jme_wfoi_bit_masks {
735 WFOI_MASK_SEL = 0x00000070,
736 WFOI_CRC_SEL = 0x00000008,
737 WFOI_FRAME_SEL = 0x00000007,
738 };
739
740 enum jme_wfoi_shifts {
741 WFOI_MASK_SHIFT = 4,
742 };
743
744 /*
745 * SMI Related definitions
746 */
747 enum jme_smi_bit_mask {
748 SMI_DATA_MASK = 0xFFFF0000,
749 SMI_REG_ADDR_MASK = 0x0000F800,
750 SMI_PHY_ADDR_MASK = 0x000007C0,
751 SMI_OP_WRITE = 0x00000020,
752 /* Set to 1, after req done it'll be cleared to 0 */
753 SMI_OP_REQ = 0x00000010,
754 SMI_OP_MDIO = 0x00000008, /* Software assess In/Out */
755 SMI_OP_MDOE = 0x00000004, /* Software Output Enable */
756 SMI_OP_MDC = 0x00000002, /* Software CLK Control */
757 SMI_OP_MDEN = 0x00000001, /* Software access Enable */
758 };
759
760 enum jme_smi_bit_shift {
761 SMI_DATA_SHIFT = 16,
762 SMI_REG_ADDR_SHIFT = 11,
763 SMI_PHY_ADDR_SHIFT = 6,
764 };
765
766 static inline u32 smi_reg_addr(int x)
767 {
768 return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
769 }
770
771 static inline u32 smi_phy_addr(int x)
772 {
773 return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK;
774 }
775
776 #define JME_PHY_TIMEOUT 100 /* 100 msec */
777 #define JME_PHY_REG_NR 32
778
779 /*
780 * Global Host Control
781 */
782 enum jme_ghc_bit_mask {
783 GHC_SWRST = 0x40000000,
784 GHC_DPX = 0x00000040,
785 GHC_SPEED = 0x00000030,
786 GHC_LINK_POLL = 0x00000001,
787 };
788
789 enum jme_ghc_speed_val {
790 GHC_SPEED_10M = 0x00000010,
791 GHC_SPEED_100M = 0x00000020,
792 GHC_SPEED_1000M = 0x00000030,
793 };
794
795 enum jme_ghc_to_clk {
796 GHC_TO_CLK_OFF = 0x00000000,
797 GHC_TO_CLK_GPHY = 0x00400000,
798 GHC_TO_CLK_PCIE = 0x00800000,
799 GHC_TO_CLK_INVALID = 0x00C00000,
800 };
801
802 enum jme_ghc_txmac_clk {
803 GHC_TXMAC_CLK_OFF = 0x00000000,
804 GHC_TXMAC_CLK_GPHY = 0x00100000,
805 GHC_TXMAC_CLK_PCIE = 0x00200000,
806 GHC_TXMAC_CLK_INVALID = 0x00300000,
807 };
808
809 /*
810 * Power management control and status register
811 */
812 enum jme_pmcs_bit_masks {
813 PMCS_WF7DET = 0x80000000,
814 PMCS_WF6DET = 0x40000000,
815 PMCS_WF5DET = 0x20000000,
816 PMCS_WF4DET = 0x10000000,
817 PMCS_WF3DET = 0x08000000,
818 PMCS_WF2DET = 0x04000000,
819 PMCS_WF1DET = 0x02000000,
820 PMCS_WF0DET = 0x01000000,
821 PMCS_LFDET = 0x00040000,
822 PMCS_LRDET = 0x00020000,
823 PMCS_MFDET = 0x00010000,
824 PMCS_WF7EN = 0x00008000,
825 PMCS_WF6EN = 0x00004000,
826 PMCS_WF5EN = 0x00002000,
827 PMCS_WF4EN = 0x00001000,
828 PMCS_WF3EN = 0x00000800,
829 PMCS_WF2EN = 0x00000400,
830 PMCS_WF1EN = 0x00000200,
831 PMCS_WF0EN = 0x00000100,
832 PMCS_LFEN = 0x00000004,
833 PMCS_LREN = 0x00000002,
834 PMCS_MFEN = 0x00000001,
835 };
836
837 /*
838 * Giga PHY Status Registers
839 */
840 enum jme_phy_link_bit_mask {
841 PHY_LINK_SPEED_MASK = 0x0000C000,
842 PHY_LINK_DUPLEX = 0x00002000,
843 PHY_LINK_SPEEDDPU_RESOLVED = 0x00000800,
844 PHY_LINK_UP = 0x00000400,
845 PHY_LINK_AUTONEG_COMPLETE = 0x00000200,
846 PHY_LINK_MDI_STAT = 0x00000040,
847 };
848
849 enum jme_phy_link_speed_val {
850 PHY_LINK_SPEED_10M = 0x00000000,
851 PHY_LINK_SPEED_100M = 0x00004000,
852 PHY_LINK_SPEED_1000M = 0x00008000,
853 };
854
855 #define JME_SPDRSV_TIMEOUT 500 /* 500 us */
856
857 /*
858 * SMB Control and Status
859 */
860 enum jme_smbcsr_bit_mask {
861 SMBCSR_CNACK = 0x00020000,
862 SMBCSR_RELOAD = 0x00010000,
863 SMBCSR_EEPROMD = 0x00000020,
864 SMBCSR_INITDONE = 0x00000010,
865 SMBCSR_BUSY = 0x0000000F,
866 };
867
868 enum jme_smbintf_bit_mask {
869 SMBINTF_HWDATR = 0xFF000000,
870 SMBINTF_HWDATW = 0x00FF0000,
871 SMBINTF_HWADDR = 0x0000FF00,
872 SMBINTF_HWRWN = 0x00000020,
873 SMBINTF_HWCMD = 0x00000010,
874 SMBINTF_FASTM = 0x00000008,
875 SMBINTF_GPIOSCL = 0x00000004,
876 SMBINTF_GPIOSDA = 0x00000002,
877 SMBINTF_GPIOEN = 0x00000001,
878 };
879
880 enum jme_smbintf_vals {
881 SMBINTF_HWRWN_READ = 0x00000020,
882 SMBINTF_HWRWN_WRITE = 0x00000000,
883 };
884
885 enum jme_smbintf_shifts {
886 SMBINTF_HWDATR_SHIFT = 24,
887 SMBINTF_HWDATW_SHIFT = 16,
888 SMBINTF_HWADDR_SHIFT = 8,
889 };
890
891 #define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
892 #define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
893 #define JME_SMB_LEN 256
894 #define JME_EEPROM_MAGIC 0x250
895
896 /*
897 * Timer Control/Status Register
898 */
899 enum jme_tmcsr_bit_masks {
900 TMCSR_SWIT = 0x80000000,
901 TMCSR_EN = 0x01000000,
902 TMCSR_CNT = 0x00FFFFFF,
903 };
904
905 /*
906 * General Purpose REG-0
907 */
908 enum jme_gpreg0_masks {
909 GPREG0_DISSH = 0xFF000000,
910 GPREG0_PCIRLMT = 0x00300000,
911 GPREG0_PCCNOMUTCLR = 0x00040000,
912 GPREG0_LNKINTPOLL = 0x00001000,
913 GPREG0_PCCTMR = 0x00000300,
914 GPREG0_PHYADDR = 0x0000001F,
915 };
916
917 enum jme_gpreg0_vals {
918 GPREG0_DISSH_DW7 = 0x80000000,
919 GPREG0_DISSH_DW6 = 0x40000000,
920 GPREG0_DISSH_DW5 = 0x20000000,
921 GPREG0_DISSH_DW4 = 0x10000000,
922 GPREG0_DISSH_DW3 = 0x08000000,
923 GPREG0_DISSH_DW2 = 0x04000000,
924 GPREG0_DISSH_DW1 = 0x02000000,
925 GPREG0_DISSH_DW0 = 0x01000000,
926 GPREG0_DISSH_ALL = 0xFF000000,
927
928 GPREG0_PCIRLMT_8 = 0x00000000,
929 GPREG0_PCIRLMT_6 = 0x00100000,
930 GPREG0_PCIRLMT_5 = 0x00200000,
931 GPREG0_PCIRLMT_4 = 0x00300000,
932
933 GPREG0_PCCTMR_16ns = 0x00000000,
934 GPREG0_PCCTMR_256ns = 0x00000100,
935 GPREG0_PCCTMR_1us = 0x00000200,
936 GPREG0_PCCTMR_1ms = 0x00000300,
937
938 GPREG0_PHYADDR_1 = 0x00000001,
939
940 GPREG0_DEFAULT = GPREG0_PCIRLMT_4 |
941 GPREG0_PCCTMR_1us |
942 GPREG0_PHYADDR_1,
943 };
944
945 /*
946 * General Purpose REG-1
947 * Note: All theses bits defined here are for
948 * Chip mode revision 0x11 only
949 */
950 enum jme_gpreg1_masks {
951 GPREG1_INTRDELAYUNIT = 0x00000018,
952 GPREG1_INTRDELAYENABLE = 0x00000007,
953 };
954
955 enum jme_gpreg1_vals {
956 GPREG1_RSSPATCH = 0x00000040,
957 GPREG1_HALFMODEPATCH = 0x00000020,
958
959 GPREG1_INTDLYUNIT_16NS = 0x00000000,
960 GPREG1_INTDLYUNIT_256NS = 0x00000008,
961 GPREG1_INTDLYUNIT_1US = 0x00000010,
962 GPREG1_INTDLYUNIT_16US = 0x00000018,
963
964 GPREG1_INTDLYEN_1U = 0x00000001,
965 GPREG1_INTDLYEN_2U = 0x00000002,
966 GPREG1_INTDLYEN_3U = 0x00000003,
967 GPREG1_INTDLYEN_4U = 0x00000004,
968 GPREG1_INTDLYEN_5U = 0x00000005,
969 GPREG1_INTDLYEN_6U = 0x00000006,
970 GPREG1_INTDLYEN_7U = 0x00000007,
971
972 GPREG1_DEFAULT = 0x00000000,
973 };
974
975 /*
976 * Interrupt Status Bits
977 */
978 enum jme_interrupt_bits {
979 INTR_SWINTR = 0x80000000,
980 INTR_TMINTR = 0x40000000,
981 INTR_LINKCH = 0x20000000,
982 INTR_PAUSERCV = 0x10000000,
983 INTR_MAGICRCV = 0x08000000,
984 INTR_WAKERCV = 0x04000000,
985 INTR_PCCRX0TO = 0x02000000,
986 INTR_PCCRX1TO = 0x01000000,
987 INTR_PCCRX2TO = 0x00800000,
988 INTR_PCCRX3TO = 0x00400000,
989 INTR_PCCTXTO = 0x00200000,
990 INTR_PCCRX0 = 0x00100000,
991 INTR_PCCRX1 = 0x00080000,
992 INTR_PCCRX2 = 0x00040000,
993 INTR_PCCRX3 = 0x00020000,
994 INTR_PCCTX = 0x00010000,
995 INTR_RX3EMP = 0x00008000,
996 INTR_RX2EMP = 0x00004000,
997 INTR_RX1EMP = 0x00002000,
998 INTR_RX0EMP = 0x00001000,
999 INTR_RX3 = 0x00000800,
1000 INTR_RX2 = 0x00000400,
1001 INTR_RX1 = 0x00000200,
1002 INTR_RX0 = 0x00000100,
1003 INTR_TX7 = 0x00000080,
1004 INTR_TX6 = 0x00000040,
1005 INTR_TX5 = 0x00000020,
1006 INTR_TX4 = 0x00000010,
1007 INTR_TX3 = 0x00000008,
1008 INTR_TX2 = 0x00000004,
1009 INTR_TX1 = 0x00000002,
1010 INTR_TX0 = 0x00000001,
1011 };
1012
1013 static const u32 INTR_ENABLE = INTR_SWINTR |
1014 INTR_TMINTR |
1015 INTR_LINKCH |
1016 INTR_PCCRX0TO |
1017 INTR_PCCRX0 |
1018 INTR_PCCTXTO |
1019 INTR_PCCTX |
1020 INTR_RX0EMP;
1021
1022 /*
1023 * PCC Control Registers
1024 */
1025 enum jme_pccrx_masks {
1026 PCCRXTO_MASK = 0xFFFF0000,
1027 PCCRX_MASK = 0x0000FF00,
1028 };
1029
1030 enum jme_pcctx_masks {
1031 PCCTXTO_MASK = 0xFFFF0000,
1032 PCCTX_MASK = 0x0000FF00,
1033 PCCTX_QS_MASK = 0x000000FF,
1034 };
1035
1036 enum jme_pccrx_shifts {
1037 PCCRXTO_SHIFT = 16,
1038 PCCRX_SHIFT = 8,
1039 };
1040
1041 enum jme_pcctx_shifts {
1042 PCCTXTO_SHIFT = 16,
1043 PCCTX_SHIFT = 8,
1044 };
1045
1046 enum jme_pcctx_bits {
1047 PCCTXQ0_EN = 0x00000001,
1048 PCCTXQ1_EN = 0x00000002,
1049 PCCTXQ2_EN = 0x00000004,
1050 PCCTXQ3_EN = 0x00000008,
1051 PCCTXQ4_EN = 0x00000010,
1052 PCCTXQ5_EN = 0x00000020,
1053 PCCTXQ6_EN = 0x00000040,
1054 PCCTXQ7_EN = 0x00000080,
1055 };
1056
1057 /*
1058 * Chip Mode Register
1059 */
1060 enum jme_chipmode_bit_masks {
1061 CM_FPGAVER_MASK = 0xFFFF0000,
1062 CM_CHIPREV_MASK = 0x0000FF00,
1063 CM_CHIPMODE_MASK = 0x0000000F,
1064 };
1065
1066 enum jme_chipmode_shifts {
1067 CM_FPGAVER_SHIFT = 16,
1068 CM_CHIPREV_SHIFT = 8,
1069 };
1070
1071 /*
1072 * Aggressive Power Mode Control
1073 */
1074 enum jme_apmc_bits {
1075 JME_APMC_PCIE_SD_EN = 0x40000000,
1076 JME_APMC_PSEUDO_HP_EN = 0x20000000,
1077 JME_APMC_EPIEN = 0x04000000,
1078 JME_APMC_EPIEN_CTRL = 0x03000000,
1079 };
1080
1081 enum jme_apmc_values {
1082 JME_APMC_EPIEN_CTRL_EN = 0x02000000,
1083 JME_APMC_EPIEN_CTRL_DIS = 0x01000000,
1084 };
1085
1086 #define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000)
1087
1088 #ifdef REG_DEBUG
1089 static char *MAC_REG_NAME[] = {
1090 "JME_TXCS", "JME_TXDBA_LO", "JME_TXDBA_HI", "JME_TXQDC",
1091 "JME_TXNDA", "JME_TXMCS", "JME_TXPFC", "JME_TXTRHD",
1092 "JME_RXCS", "JME_RXDBA_LO", "JME_RXDBA_HI", "JME_RXQDC",
1093 "JME_RXNDA", "JME_RXMCS", "JME_RXUMA_LO", "JME_RXUMA_HI",
1094 "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP", "JME_WFOI",
1095 "JME_SMI", "JME_GHC", "UNKNOWN", "UNKNOWN",
1096 "JME_PMCS"};
1097
1098 static char *PE_REG_NAME[] = {
1099 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1100 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1101 "UNKNOWN", "UNKNOWN", "JME_PHY_CS", "UNKNOWN",
1102 "JME_PHY_LINK", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1103 "JME_SMBCSR", "JME_SMBINTF"};
1104
1105 static char *MISC_REG_NAME[] = {
1106 "JME_TMCSR", "JME_GPIO", "JME_GPREG0", "JME_GPREG1",
1107 "JME_IEVE", "JME_IREQ", "JME_IENS", "JME_IENC",
1108 "JME_PCCRX0", "JME_PCCRX1", "JME_PCCRX2", "JME_PCCRX3",
1109 "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO",
1110 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1111 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1112 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1113 "JME_TIMER1", "JME_TIMER2", "UNKNOWN", "JME_APMC",
1114 "JME_PCCSRX0"};
1115
1116 static inline void reg_dbg(const struct jme_adapter *jme,
1117 const char *msg, u32 val, u32 reg)
1118 {
1119 const char *regname;
1120 switch (reg & 0xF00) {
1121 case 0x000:
1122 regname = MAC_REG_NAME[(reg & 0xFF) >> 2];
1123 break;
1124 case 0x400:
1125 regname = PE_REG_NAME[(reg & 0xFF) >> 2];
1126 break;
1127 case 0x800:
1128 regname = MISC_REG_NAME[(reg & 0xFF) >> 2];
1129 break;
1130 default:
1131 regname = PE_REG_NAME[0];
1132 }
1133 printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name,
1134 msg, val, regname);
1135 }
1136 #else
1137 static inline void reg_dbg(const struct jme_adapter *jme,
1138 const char *msg, u32 val, u32 reg) {}
1139 #endif
1140
1141 /*
1142 * Read/Write MMaped I/O Registers
1143 */
1144 static inline u32 jread32(struct jme_adapter *jme, u32 reg)
1145 {
1146 return readl(jme->regs + reg);
1147 }
1148
1149 static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val)
1150 {
1151 reg_dbg(jme, "REG WRITE", val, reg);
1152 writel(val, jme->regs + reg);
1153 reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1154 }
1155
1156 static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val)
1157 {
1158 /*
1159 * Read after write should cause flush
1160 */
1161 reg_dbg(jme, "REG WRITE FLUSH", val, reg);
1162 writel(val, jme->regs + reg);
1163 readl(jme->regs + reg);
1164 reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1165 }
1166
1167 /*
1168 * PHY Regs
1169 */
1170 enum jme_phy_reg17_bit_masks {
1171 PREG17_SPEED = 0xC000,
1172 PREG17_DUPLEX = 0x2000,
1173 PREG17_SPDRSV = 0x0800,
1174 PREG17_LNKUP = 0x0400,
1175 PREG17_MDI = 0x0040,
1176 };
1177
1178 enum jme_phy_reg17_vals {
1179 PREG17_SPEED_10M = 0x0000,
1180 PREG17_SPEED_100M = 0x4000,
1181 PREG17_SPEED_1000M = 0x8000,
1182 };
1183
1184 #define BMSR_ANCOMP 0x0020
1185
1186 /*
1187 * Workaround
1188 */
1189 static inline int is_buggy250(unsigned short device, unsigned int chiprev)
1190 {
1191 return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
1192 }
1193
1194 /*
1195 * Function prototypes
1196 */
1197 static int jme_set_settings(struct net_device *netdev,
1198 struct ethtool_cmd *ecmd);
1199 static void jme_set_multi(struct net_device *netdev);
1200
1201 #endif
Linux with added FPC-III support