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befs: Validate length of long symbolic links.
[linux-2.6/kvm.git] / drivers / net / jme.h
blobc1f8b893e2ea4276d1b27c506cbff3fb97e3adc4
1 /*
2 * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
3 *
4 * Copyright 2008 JMicron Technology Corporation
5 * http://www.jmicron.com/
6 * Copyright (c) 2009 - 2010 Guo-Fu Tseng <cooldavid@cooldavid.org>
7 *
8 * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 *
23 */
24
25 #ifndef __JME_H_INCLUDED__
26 #define __JME_H_INCLUDED__
27 #include <linux/interrupt.h>
28
29 #define DRV_NAME "jme"
30 #define DRV_VERSION "1.0.8"
31 #define PFX DRV_NAME ": "
32
33 #define PCI_DEVICE_ID_JMICRON_JMC250 0x0250
34 #define PCI_DEVICE_ID_JMICRON_JMC260 0x0260
35
36 /*
37 * Message related definitions
38 */
39 #define JME_DEF_MSG_ENABLE \
40 (NETIF_MSG_PROBE | \
41 NETIF_MSG_LINK | \
42 NETIF_MSG_RX_ERR | \
43 NETIF_MSG_TX_ERR | \
44 NETIF_MSG_HW)
45
46 #ifdef TX_DEBUG
47 #define tx_dbg(priv, fmt, args...) \
48 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args)
49 #else
50 #define tx_dbg(priv, fmt, args...) \
51 do { \
52 if (0) \
53 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args); \
54 } while (0)
55 #endif
56
57 /*
58 * Extra PCI Configuration space interface
59 */
60 #define PCI_DCSR_MRRS 0x59
61 #define PCI_DCSR_MRRS_MASK 0x70
62
63 enum pci_dcsr_mrrs_vals {
64 MRRS_128B = 0x00,
65 MRRS_256B = 0x10,
66 MRRS_512B = 0x20,
67 MRRS_1024B = 0x30,
68 MRRS_2048B = 0x40,
69 MRRS_4096B = 0x50,
70 };
71
72 #define PCI_SPI 0xB0
73
74 enum pci_spi_bits {
75 SPI_EN = 0x10,
76 SPI_MISO = 0x08,
77 SPI_MOSI = 0x04,
78 SPI_SCLK = 0x02,
79 SPI_CS = 0x01,
80 };
81
82 struct jme_spi_op {
83 void __user *uwbuf;
84 void __user *urbuf;
85 __u8 wn; /* Number of write actions */
86 __u8 rn; /* Number of read actions */
87 __u8 bitn; /* Number of bits per action */
88 __u8 spd; /* The maxim acceptable speed of controller, in MHz.*/
89 __u8 mode; /* CPOL, CPHA, and Duplex mode of SPI */
90
91 /* Internal use only */
92 u8 *kwbuf;
93 u8 *krbuf;
94 u8 sr;
95 u16 halfclk; /* Half of clock cycle calculated from spd, in ns */
96 };
97
98 enum jme_spi_op_bits {
99 SPI_MODE_CPHA = 0x01,
100 SPI_MODE_CPOL = 0x02,
101 SPI_MODE_DUP = 0x80,
102 };
103
104 #define HALF_US 500 /* 500 ns */
105 #define JMESPIIOCTL SIOCDEVPRIVATE
106
107 #define PCI_PRIV_PE1 0xE4
108
109 enum pci_priv_pe1_bit_masks {
110 PE1_ASPMSUPRT = 0x00000003, /*
111 * RW:
112 * Aspm_support[1:0]
113 * (R/W Port of 5C[11:10])
114 */
115 PE1_MULTIFUN = 0x00000004, /* RW: Multi_fun_bit */
116 PE1_RDYDMA = 0x00000008, /* RO: ~link.rdy_for_dma */
117 PE1_ASPMOPTL = 0x00000030, /* RW: link.rx10s_option[1:0] */
118 PE1_ASPMOPTH = 0x000000C0, /* RW: 10_req=[3]?HW:[2] */
119 PE1_GPREG0 = 0x0000FF00, /*
120 * SRW:
121 * Cfg_gp_reg0
122 * [7:6] phy_giga BG control
123 * [5] CREQ_N as CREQ_N1 (CPPE# as CREQ#)
124 * [4:0] Reserved
125 */
126 PE1_GPREG0_PBG = 0x0000C000, /* phy_giga BG control */
127 PE1_GPREG1 = 0x00FF0000, /* RW: Cfg_gp_reg1 */
128 PE1_REVID = 0xFF000000, /* RO: Rev ID */
129 };
130
131 enum pci_priv_pe1_values {
132 PE1_GPREG0_ENBG = 0x00000000, /* en BG */
133 PE1_GPREG0_PDD3COLD = 0x00004000, /* giga_PD + d3cold */
134 PE1_GPREG0_PDPCIESD = 0x00008000, /* giga_PD + pcie_shutdown */
135 PE1_GPREG0_PDPCIEIDDQ = 0x0000C000, /* giga_PD + pcie_iddq */
136 };
137
138 /*
139 * Dynamic(adaptive)/Static PCC values
140 */
141 enum dynamic_pcc_values {
142 PCC_OFF = 0,
143 PCC_P1 = 1,
144 PCC_P2 = 2,
145 PCC_P3 = 3,
146
147 PCC_OFF_TO = 0,
148 PCC_P1_TO = 1,
149 PCC_P2_TO = 64,
150 PCC_P3_TO = 128,
151
152 PCC_OFF_CNT = 0,
153 PCC_P1_CNT = 1,
154 PCC_P2_CNT = 16,
155 PCC_P3_CNT = 32,
156 };
157 struct dynpcc_info {
158 unsigned long last_bytes;
159 unsigned long last_pkts;
160 unsigned long intr_cnt;
161 unsigned char cur;
162 unsigned char attempt;
163 unsigned char cnt;
164 };
165 #define PCC_INTERVAL_US 100000
166 #define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US))
167 #define PCC_P3_THRESHOLD (2 * 1024 * 1024)
168 #define PCC_P2_THRESHOLD 800
169 #define PCC_INTR_THRESHOLD 800
170 #define PCC_TX_TO 1000
171 #define PCC_TX_CNT 8
172
173 /*
174 * TX/RX Descriptors
175 *
176 * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
177 */
178 #define RING_DESC_ALIGN 16 /* Descriptor alignment */
179 #define TX_DESC_SIZE 16
180 #define TX_RING_NR 8
181 #define TX_RING_ALLOC_SIZE(s) ((s * TX_DESC_SIZE) + RING_DESC_ALIGN)
182
183 struct txdesc {
184 union {
185 __u8 all[16];
186 __le32 dw[4];
187 struct {
188 /* DW0 */
189 __le16 vlan;
190 __u8 rsv1;
191 __u8 flags;
192
193 /* DW1 */
194 __le16 datalen;
195 __le16 mss;
196
197 /* DW2 */
198 __le16 pktsize;
199 __le16 rsv2;
200
201 /* DW3 */
202 __le32 bufaddr;
203 } desc1;
204 struct {
205 /* DW0 */
206 __le16 rsv1;
207 __u8 rsv2;
208 __u8 flags;
209
210 /* DW1 */
211 __le16 datalen;
212 __le16 rsv3;
213
214 /* DW2 */
215 __le32 bufaddrh;
216
217 /* DW3 */
218 __le32 bufaddrl;
219 } desc2;
220 struct {
221 /* DW0 */
222 __u8 ehdrsz;
223 __u8 rsv1;
224 __u8 rsv2;
225 __u8 flags;
226
227 /* DW1 */
228 __le16 trycnt;
229 __le16 segcnt;
230
231 /* DW2 */
232 __le16 pktsz;
233 __le16 rsv3;
234
235 /* DW3 */
236 __le32 bufaddrl;
237 } descwb;
238 };
239 };
240
241 enum jme_txdesc_flags_bits {
242 TXFLAG_OWN = 0x80,
243 TXFLAG_INT = 0x40,
244 TXFLAG_64BIT = 0x20,
245 TXFLAG_TCPCS = 0x10,
246 TXFLAG_UDPCS = 0x08,
247 TXFLAG_IPCS = 0x04,
248 TXFLAG_LSEN = 0x02,
249 TXFLAG_TAGON = 0x01,
250 };
251
252 #define TXDESC_MSS_SHIFT 2
253 enum jme_txwbdesc_flags_bits {
254 TXWBFLAG_OWN = 0x80,
255 TXWBFLAG_INT = 0x40,
256 TXWBFLAG_TMOUT = 0x20,
257 TXWBFLAG_TRYOUT = 0x10,
258 TXWBFLAG_COL = 0x08,
259
260 TXWBFLAG_ALLERR = TXWBFLAG_TMOUT |
261 TXWBFLAG_TRYOUT |
262 TXWBFLAG_COL,
263 };
264
265 #define RX_DESC_SIZE 16
266 #define RX_RING_NR 4
267 #define RX_RING_ALLOC_SIZE(s) ((s * RX_DESC_SIZE) + RING_DESC_ALIGN)
268 #define RX_BUF_DMA_ALIGN 8
269 #define RX_PREPAD_SIZE 10
270 #define ETH_CRC_LEN 2
271 #define RX_VLANHDR_LEN 2
272 #define RX_EXTRA_LEN (RX_PREPAD_SIZE + \
273 ETH_HLEN + \
274 ETH_CRC_LEN + \
275 RX_VLANHDR_LEN + \
276 RX_BUF_DMA_ALIGN)
277
278 struct rxdesc {
279 union {
280 __u8 all[16];
281 __le32 dw[4];
282 struct {
283 /* DW0 */
284 __le16 rsv2;
285 __u8 rsv1;
286 __u8 flags;
287
288 /* DW1 */
289 __le16 datalen;
290 __le16 wbcpl;
291
292 /* DW2 */
293 __le32 bufaddrh;
294
295 /* DW3 */
296 __le32 bufaddrl;
297 } desc1;
298 struct {
299 /* DW0 */
300 __le16 vlan;
301 __le16 flags;
302
303 /* DW1 */
304 __le16 framesize;
305 __u8 errstat;
306 __u8 desccnt;
307
308 /* DW2 */
309 __le32 rsshash;
310
311 /* DW3 */
312 __u8 hashfun;
313 __u8 hashtype;
314 __le16 resrv;
315 } descwb;
316 };
317 };
318
319 enum jme_rxdesc_flags_bits {
320 RXFLAG_OWN = 0x80,
321 RXFLAG_INT = 0x40,
322 RXFLAG_64BIT = 0x20,
323 };
324
325 enum jme_rxwbdesc_flags_bits {
326 RXWBFLAG_OWN = 0x8000,
327 RXWBFLAG_INT = 0x4000,
328 RXWBFLAG_MF = 0x2000,
329 RXWBFLAG_64BIT = 0x2000,
330 RXWBFLAG_TCPON = 0x1000,
331 RXWBFLAG_UDPON = 0x0800,
332 RXWBFLAG_IPCS = 0x0400,
333 RXWBFLAG_TCPCS = 0x0200,
334 RXWBFLAG_UDPCS = 0x0100,
335 RXWBFLAG_TAGON = 0x0080,
336 RXWBFLAG_IPV4 = 0x0040,
337 RXWBFLAG_IPV6 = 0x0020,
338 RXWBFLAG_PAUSE = 0x0010,
339 RXWBFLAG_MAGIC = 0x0008,
340 RXWBFLAG_WAKEUP = 0x0004,
341 RXWBFLAG_DEST = 0x0003,
342 RXWBFLAG_DEST_UNI = 0x0001,
343 RXWBFLAG_DEST_MUL = 0x0002,
344 RXWBFLAG_DEST_BRO = 0x0003,
345 };
346
347 enum jme_rxwbdesc_desccnt_mask {
348 RXWBDCNT_WBCPL = 0x80,
349 RXWBDCNT_DCNT = 0x7F,
350 };
351
352 enum jme_rxwbdesc_errstat_bits {
353 RXWBERR_LIMIT = 0x80,
354 RXWBERR_MIIER = 0x40,
355 RXWBERR_NIBON = 0x20,
356 RXWBERR_COLON = 0x10,
357 RXWBERR_ABORT = 0x08,
358 RXWBERR_SHORT = 0x04,
359 RXWBERR_OVERUN = 0x02,
360 RXWBERR_CRCERR = 0x01,
361 RXWBERR_ALLERR = 0xFF,
362 };
363
364 /*
365 * Buffer information corresponding to ring descriptors.
366 */
367 struct jme_buffer_info {
368 struct sk_buff *skb;
369 dma_addr_t mapping;
370 int len;
371 int nr_desc;
372 unsigned long start_xmit;
373 };
374
375 /*
376 * The structure holding buffer information and ring descriptors all together.
377 */
378 struct jme_ring {
379 void *alloc; /* pointer to allocated memory */
380 void *desc; /* pointer to ring memory */
381 dma_addr_t dmaalloc; /* phys address of ring alloc */
382 dma_addr_t dma; /* phys address for ring dma */
383
384 /* Buffer information corresponding to each descriptor */
385 struct jme_buffer_info *bufinf;
386
387 int next_to_use;
388 atomic_t next_to_clean;
389 atomic_t nr_free;
390 };
391
392 #define NET_STAT(priv) (priv->dev->stats)
393 #define NETDEV_GET_STATS(netdev, fun_ptr)
394 #define DECLARE_NET_DEVICE_STATS
395
396 #define DECLARE_NAPI_STRUCT struct napi_struct napi;
397 #define NETIF_NAPI_SET(dev, napis, pollfn, q) \
398 netif_napi_add(dev, napis, pollfn, q);
399 #define JME_NAPI_HOLDER(holder) struct napi_struct *holder
400 #define JME_NAPI_WEIGHT(w) int w
401 #define JME_NAPI_WEIGHT_VAL(w) w
402 #define JME_NAPI_WEIGHT_SET(w, r)
403 #define JME_RX_COMPLETE(dev, napis) napi_complete(napis)
404 #define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
405 #define JME_NAPI_DISABLE(priv) \
406 if (!napi_disable_pending(&priv->napi)) \
407 napi_disable(&priv->napi);
408 #define JME_RX_SCHEDULE_PREP(priv) \
409 napi_schedule_prep(&priv->napi)
410 #define JME_RX_SCHEDULE(priv) \
411 __napi_schedule(&priv->napi);
412
413 /*
414 * Jmac Adapter Private data
415 */
416 struct jme_adapter {
417 struct pci_dev *pdev;
418 struct net_device *dev;
419 void __iomem *regs;
420 struct mii_if_info mii_if;
421 struct jme_ring rxring[RX_RING_NR];
422 struct jme_ring txring[TX_RING_NR];
423 spinlock_t phy_lock;
424 spinlock_t macaddr_lock;
425 spinlock_t rxmcs_lock;
426 struct tasklet_struct rxempty_task;
427 struct tasklet_struct rxclean_task;
428 struct tasklet_struct txclean_task;
429 struct tasklet_struct linkch_task;
430 struct tasklet_struct pcc_task;
431 unsigned long flags;
432 u32 reg_txcs;
433 u32 reg_txpfc;
434 u32 reg_rxcs;
435 u32 reg_rxmcs;
436 u32 reg_ghc;
437 u32 reg_pmcs;
438 u32 reg_gpreg1;
439 u32 phylink;
440 u32 tx_ring_size;
441 u32 tx_ring_mask;
442 u32 tx_wake_threshold;
443 u32 rx_ring_size;
444 u32 rx_ring_mask;
445 u8 mrrs;
446 unsigned int fpgaver;
447 u8 chiprev;
448 u8 chip_main_rev;
449 u8 chip_sub_rev;
450 u8 pcirev;
451 u32 msg_enable;
452 struct ethtool_cmd old_ecmd;
453 unsigned int old_mtu;
454 struct dynpcc_info dpi;
455 atomic_t intr_sem;
456 atomic_t link_changing;
457 atomic_t tx_cleaning;
458 atomic_t rx_cleaning;
459 atomic_t rx_empty;
460 int (*jme_rx)(struct sk_buff *skb);
461 DECLARE_NAPI_STRUCT
462 DECLARE_NET_DEVICE_STATS
463 };
464
465 enum jme_flags_bits {
466 JME_FLAG_MSI = 1,
467 JME_FLAG_SSET = 2,
468 JME_FLAG_POLL = 5,
469 JME_FLAG_SHUTDOWN = 6,
470 };
471
472 #define TX_TIMEOUT (5 * HZ)
473 #define JME_REG_LEN 0x500
474 #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216
475
476 static inline struct jme_adapter*
477 jme_napi_priv(struct napi_struct *napi)
478 {
479 struct jme_adapter *jme;
480 jme = container_of(napi, struct jme_adapter, napi);
481 return jme;
482 }
483
484 /*
485 * MMaped I/O Resters
486 */
487 enum jme_iomap_offsets {
488 JME_MAC = 0x0000,
489 JME_PHY = 0x0400,
490 JME_MISC = 0x0800,
491 JME_RSS = 0x0C00,
492 };
493
494 enum jme_iomap_lens {
495 JME_MAC_LEN = 0x80,
496 JME_PHY_LEN = 0x58,
497 JME_MISC_LEN = 0x98,
498 JME_RSS_LEN = 0xFF,
499 };
500
501 enum jme_iomap_regs {
502 JME_TXCS = JME_MAC | 0x00, /* Transmit Control and Status */
503 JME_TXDBA_LO = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
504 JME_TXDBA_HI = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
505 JME_TXQDC = JME_MAC | 0x0C, /* Transmit Queue Desc Count */
506 JME_TXNDA = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
507 JME_TXMCS = JME_MAC | 0x14, /* Transmit MAC Control Status */
508 JME_TXPFC = JME_MAC | 0x18, /* Transmit Pause Frame Control */
509 JME_TXTRHD = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */
510
511 JME_RXCS = JME_MAC | 0x20, /* Receive Control and Status */
512 JME_RXDBA_LO = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
513 JME_RXDBA_HI = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
514 JME_RXQDC = JME_MAC | 0x2C, /* Receive Queue Desc Count */
515 JME_RXNDA = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
516 JME_RXMCS = JME_MAC | 0x34, /* Receive MAC Control Status */
517 JME_RXUMA_LO = JME_MAC | 0x38, /* Receive Unicast MAC Address */
518 JME_RXUMA_HI = JME_MAC | 0x3C, /* Receive Unicast MAC Address */
519 JME_RXMCHT_LO = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
520 JME_RXMCHT_HI = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
521 JME_WFODP = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
522 JME_WFOI = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */
523
524 JME_SMI = JME_MAC | 0x50, /* Station Management Interface */
525 JME_GHC = JME_MAC | 0x54, /* Global Host Control */
526 JME_PMCS = JME_MAC | 0x60, /* Power Management Control/Stat */
527
528
529 JME_PHY_PWR = JME_PHY | 0x24, /* New PHY Power Ctrl Register */
530 JME_PHY_CS = JME_PHY | 0x28, /* PHY Ctrl and Status Register */
531 JME_PHY_LINK = JME_PHY | 0x30, /* PHY Link Status Register */
532 JME_SMBCSR = JME_PHY | 0x40, /* SMB Control and Status */
533 JME_SMBINTF = JME_PHY | 0x44, /* SMB Interface */
534
535
536 JME_TMCSR = JME_MISC | 0x00, /* Timer Control/Status Register */
537 JME_GPREG0 = JME_MISC | 0x08, /* General purpose REG-0 */
538 JME_GPREG1 = JME_MISC | 0x0C, /* General purpose REG-1 */
539 JME_IEVE = JME_MISC | 0x20, /* Interrupt Event Status */
540 JME_IREQ = JME_MISC | 0x24, /* Intr Req Status(For Debug) */
541 JME_IENS = JME_MISC | 0x28, /* Intr Enable - Setting Port */
542 JME_IENC = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */
543 JME_PCCRX0 = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */
544 JME_PCCTX = JME_MISC | 0x40, /* PCC Control for TX Queues */
545 JME_CHIPMODE = JME_MISC | 0x44, /* Identify FPGA Version */
546 JME_SHBA_HI = JME_MISC | 0x48, /* Shadow Register Base HI */
547 JME_SHBA_LO = JME_MISC | 0x4C, /* Shadow Register Base LO */
548 JME_TIMER1 = JME_MISC | 0x70, /* Timer1 */
549 JME_TIMER2 = JME_MISC | 0x74, /* Timer2 */
550 JME_APMC = JME_MISC | 0x7C, /* Aggressive Power Mode Control */
551 JME_PCCSRX0 = JME_MISC | 0x80, /* PCC Status of RX0 */
552 };
553
554 /*
555 * TX Control/Status Bits
556 */
557 enum jme_txcs_bits {
558 TXCS_QUEUE7S = 0x00008000,
559 TXCS_QUEUE6S = 0x00004000,
560 TXCS_QUEUE5S = 0x00002000,
561 TXCS_QUEUE4S = 0x00001000,
562 TXCS_QUEUE3S = 0x00000800,
563 TXCS_QUEUE2S = 0x00000400,
564 TXCS_QUEUE1S = 0x00000200,
565 TXCS_QUEUE0S = 0x00000100,
566 TXCS_FIFOTH = 0x000000C0,
567 TXCS_DMASIZE = 0x00000030,
568 TXCS_BURST = 0x00000004,
569 TXCS_ENABLE = 0x00000001,
570 };
571
572 enum jme_txcs_value {
573 TXCS_FIFOTH_16QW = 0x000000C0,
574 TXCS_FIFOTH_12QW = 0x00000080,
575 TXCS_FIFOTH_8QW = 0x00000040,
576 TXCS_FIFOTH_4QW = 0x00000000,
577
578 TXCS_DMASIZE_64B = 0x00000000,
579 TXCS_DMASIZE_128B = 0x00000010,
580 TXCS_DMASIZE_256B = 0x00000020,
581 TXCS_DMASIZE_512B = 0x00000030,
582
583 TXCS_SELECT_QUEUE0 = 0x00000000,
584 TXCS_SELECT_QUEUE1 = 0x00010000,
585 TXCS_SELECT_QUEUE2 = 0x00020000,
586 TXCS_SELECT_QUEUE3 = 0x00030000,
587 TXCS_SELECT_QUEUE4 = 0x00040000,
588 TXCS_SELECT_QUEUE5 = 0x00050000,
589 TXCS_SELECT_QUEUE6 = 0x00060000,
590 TXCS_SELECT_QUEUE7 = 0x00070000,
591
592 TXCS_DEFAULT = TXCS_FIFOTH_4QW |
593 TXCS_BURST,
594 };
595
596 #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
597
598 /*
599 * TX MAC Control/Status Bits
600 */
601 enum jme_txmcs_bit_masks {
602 TXMCS_IFG2 = 0xC0000000,
603 TXMCS_IFG1 = 0x30000000,
604 TXMCS_TTHOLD = 0x00000300,
605 TXMCS_FBURST = 0x00000080,
606 TXMCS_CARRIEREXT = 0x00000040,
607 TXMCS_DEFER = 0x00000020,
608 TXMCS_BACKOFF = 0x00000010,
609 TXMCS_CARRIERSENSE = 0x00000008,
610 TXMCS_COLLISION = 0x00000004,
611 TXMCS_CRC = 0x00000002,
612 TXMCS_PADDING = 0x00000001,
613 };
614
615 enum jme_txmcs_values {
616 TXMCS_IFG2_6_4 = 0x00000000,
617 TXMCS_IFG2_8_5 = 0x40000000,
618 TXMCS_IFG2_10_6 = 0x80000000,
619 TXMCS_IFG2_12_7 = 0xC0000000,
620
621 TXMCS_IFG1_8_4 = 0x00000000,
622 TXMCS_IFG1_12_6 = 0x10000000,
623 TXMCS_IFG1_16_8 = 0x20000000,
624 TXMCS_IFG1_20_10 = 0x30000000,
625
626 TXMCS_TTHOLD_1_8 = 0x00000000,
627 TXMCS_TTHOLD_1_4 = 0x00000100,
628 TXMCS_TTHOLD_1_2 = 0x00000200,
629 TXMCS_TTHOLD_FULL = 0x00000300,
630
631 TXMCS_DEFAULT = TXMCS_IFG2_8_5 |
632 TXMCS_IFG1_16_8 |
633 TXMCS_TTHOLD_FULL |
634 TXMCS_DEFER |
635 TXMCS_CRC |
636 TXMCS_PADDING,
637 };
638
639 enum jme_txpfc_bits_masks {
640 TXPFC_VLAN_TAG = 0xFFFF0000,
641 TXPFC_VLAN_EN = 0x00008000,
642 TXPFC_PF_EN = 0x00000001,
643 };
644
645 enum jme_txtrhd_bits_masks {
646 TXTRHD_TXPEN = 0x80000000,
647 TXTRHD_TXP = 0x7FFFFF00,
648 TXTRHD_TXREN = 0x00000080,
649 TXTRHD_TXRL = 0x0000007F,
650 };
651
652 enum jme_txtrhd_shifts {
653 TXTRHD_TXP_SHIFT = 8,
654 TXTRHD_TXRL_SHIFT = 0,
655 };
656
657 enum jme_txtrhd_values {
658 TXTRHD_FULLDUPLEX = 0x00000000,
659 TXTRHD_HALFDUPLEX = TXTRHD_TXPEN |
660 ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) |
661 TXTRHD_TXREN |
662 ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL),
663 };
664
665 /*
666 * RX Control/Status Bits
667 */
668 enum jme_rxcs_bit_masks {
669 /* FIFO full threshold for transmitting Tx Pause Packet */
670 RXCS_FIFOTHTP = 0x30000000,
671 /* FIFO threshold for processing next packet */
672 RXCS_FIFOTHNP = 0x0C000000,
673 RXCS_DMAREQSZ = 0x03000000, /* DMA Request Size */
674 RXCS_QUEUESEL = 0x00030000, /* Queue selection */
675 RXCS_RETRYGAP = 0x0000F000, /* RX Desc full retry gap */
676 RXCS_RETRYCNT = 0x00000F00, /* RX Desc full retry counter */
677 RXCS_WAKEUP = 0x00000040, /* Enable receive wakeup packet */
678 RXCS_MAGIC = 0x00000020, /* Enable receive magic packet */
679 RXCS_SHORT = 0x00000010, /* Enable receive short packet */
680 RXCS_ABORT = 0x00000008, /* Enable receive errorr packet */
681 RXCS_QST = 0x00000004, /* Receive queue start */
682 RXCS_SUSPEND = 0x00000002,
683 RXCS_ENABLE = 0x00000001,
684 };
685
686 enum jme_rxcs_values {
687 RXCS_FIFOTHTP_16T = 0x00000000,
688 RXCS_FIFOTHTP_32T = 0x10000000,
689 RXCS_FIFOTHTP_64T = 0x20000000,
690 RXCS_FIFOTHTP_128T = 0x30000000,
691
692 RXCS_FIFOTHNP_16QW = 0x00000000,
693 RXCS_FIFOTHNP_32QW = 0x04000000,
694 RXCS_FIFOTHNP_64QW = 0x08000000,
695 RXCS_FIFOTHNP_128QW = 0x0C000000,
696
697 RXCS_DMAREQSZ_16B = 0x00000000,
698 RXCS_DMAREQSZ_32B = 0x01000000,
699 RXCS_DMAREQSZ_64B = 0x02000000,
700 RXCS_DMAREQSZ_128B = 0x03000000,
701
702 RXCS_QUEUESEL_Q0 = 0x00000000,
703 RXCS_QUEUESEL_Q1 = 0x00010000,
704 RXCS_QUEUESEL_Q2 = 0x00020000,
705 RXCS_QUEUESEL_Q3 = 0x00030000,
706
707 RXCS_RETRYGAP_256ns = 0x00000000,
708 RXCS_RETRYGAP_512ns = 0x00001000,
709 RXCS_RETRYGAP_1024ns = 0x00002000,
710 RXCS_RETRYGAP_2048ns = 0x00003000,
711 RXCS_RETRYGAP_4096ns = 0x00004000,
712 RXCS_RETRYGAP_8192ns = 0x00005000,
713 RXCS_RETRYGAP_16384ns = 0x00006000,
714 RXCS_RETRYGAP_32768ns = 0x00007000,
715
716 RXCS_RETRYCNT_0 = 0x00000000,
717 RXCS_RETRYCNT_4 = 0x00000100,
718 RXCS_RETRYCNT_8 = 0x00000200,
719 RXCS_RETRYCNT_12 = 0x00000300,
720 RXCS_RETRYCNT_16 = 0x00000400,
721 RXCS_RETRYCNT_20 = 0x00000500,
722 RXCS_RETRYCNT_24 = 0x00000600,
723 RXCS_RETRYCNT_28 = 0x00000700,
724 RXCS_RETRYCNT_32 = 0x00000800,
725 RXCS_RETRYCNT_36 = 0x00000900,
726 RXCS_RETRYCNT_40 = 0x00000A00,
727 RXCS_RETRYCNT_44 = 0x00000B00,
728 RXCS_RETRYCNT_48 = 0x00000C00,
729 RXCS_RETRYCNT_52 = 0x00000D00,
730 RXCS_RETRYCNT_56 = 0x00000E00,
731 RXCS_RETRYCNT_60 = 0x00000F00,
732
733 RXCS_DEFAULT = RXCS_FIFOTHTP_128T |
734 RXCS_FIFOTHNP_128QW |
735 RXCS_DMAREQSZ_128B |
736 RXCS_RETRYGAP_256ns |
737 RXCS_RETRYCNT_32,
738 };
739
740 #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
741
742 /*
743 * RX MAC Control/Status Bits
744 */
745 enum jme_rxmcs_bits {
746 RXMCS_ALLFRAME = 0x00000800,
747 RXMCS_BRDFRAME = 0x00000400,
748 RXMCS_MULFRAME = 0x00000200,
749 RXMCS_UNIFRAME = 0x00000100,
750 RXMCS_ALLMULFRAME = 0x00000080,
751 RXMCS_MULFILTERED = 0x00000040,
752 RXMCS_RXCOLLDEC = 0x00000020,
753 RXMCS_FLOWCTRL = 0x00000008,
754 RXMCS_VTAGRM = 0x00000004,
755 RXMCS_PREPAD = 0x00000002,
756 RXMCS_CHECKSUM = 0x00000001,
757
758 RXMCS_DEFAULT = RXMCS_VTAGRM |
759 RXMCS_PREPAD |
760 RXMCS_FLOWCTRL |
761 RXMCS_CHECKSUM,
762 };
763
764 /*
765 * Wakeup Frame setup interface registers
766 */
767 #define WAKEUP_FRAME_NR 8
768 #define WAKEUP_FRAME_MASK_DWNR 4
769
770 enum jme_wfoi_bit_masks {
771 WFOI_MASK_SEL = 0x00000070,
772 WFOI_CRC_SEL = 0x00000008,
773 WFOI_FRAME_SEL = 0x00000007,
774 };
775
776 enum jme_wfoi_shifts {
777 WFOI_MASK_SHIFT = 4,
778 };
779
780 /*
781 * SMI Related definitions
782 */
783 enum jme_smi_bit_mask {
784 SMI_DATA_MASK = 0xFFFF0000,
785 SMI_REG_ADDR_MASK = 0x0000F800,
786 SMI_PHY_ADDR_MASK = 0x000007C0,
787 SMI_OP_WRITE = 0x00000020,
788 /* Set to 1, after req done it'll be cleared to 0 */
789 SMI_OP_REQ = 0x00000010,
790 SMI_OP_MDIO = 0x00000008, /* Software assess In/Out */
791 SMI_OP_MDOE = 0x00000004, /* Software Output Enable */
792 SMI_OP_MDC = 0x00000002, /* Software CLK Control */
793 SMI_OP_MDEN = 0x00000001, /* Software access Enable */
794 };
795
796 enum jme_smi_bit_shift {
797 SMI_DATA_SHIFT = 16,
798 SMI_REG_ADDR_SHIFT = 11,
799 SMI_PHY_ADDR_SHIFT = 6,
800 };
801
802 static inline u32 smi_reg_addr(int x)
803 {
804 return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
805 }
806
807 static inline u32 smi_phy_addr(int x)
808 {
809 return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK;
810 }
811
812 #define JME_PHY_TIMEOUT 100 /* 100 msec */
813 #define JME_PHY_REG_NR 32
814
815 /*
816 * Global Host Control
817 */
818 enum jme_ghc_bit_mask {
819 GHC_SWRST = 0x40000000,
820 GHC_TO_CLK_SRC = 0x00C00000,
821 GHC_TXMAC_CLK_SRC = 0x00300000,
822 GHC_DPX = 0x00000040,
823 GHC_SPEED = 0x00000030,
824 GHC_LINK_POLL = 0x00000001,
825 };
826
827 enum jme_ghc_speed_val {
828 GHC_SPEED_10M = 0x00000010,
829 GHC_SPEED_100M = 0x00000020,
830 GHC_SPEED_1000M = 0x00000030,
831 };
832
833 enum jme_ghc_to_clk {
834 GHC_TO_CLK_OFF = 0x00000000,
835 GHC_TO_CLK_GPHY = 0x00400000,
836 GHC_TO_CLK_PCIE = 0x00800000,
837 GHC_TO_CLK_INVALID = 0x00C00000,
838 };
839
840 enum jme_ghc_txmac_clk {
841 GHC_TXMAC_CLK_OFF = 0x00000000,
842 GHC_TXMAC_CLK_GPHY = 0x00100000,
843 GHC_TXMAC_CLK_PCIE = 0x00200000,
844 GHC_TXMAC_CLK_INVALID = 0x00300000,
845 };
846
847 /*
848 * Power management control and status register
849 */
850 enum jme_pmcs_bit_masks {
851 PMCS_STMASK = 0xFFFF0000,
852 PMCS_WF7DET = 0x80000000,
853 PMCS_WF6DET = 0x40000000,
854 PMCS_WF5DET = 0x20000000,
855 PMCS_WF4DET = 0x10000000,
856 PMCS_WF3DET = 0x08000000,
857 PMCS_WF2DET = 0x04000000,
858 PMCS_WF1DET = 0x02000000,
859 PMCS_WF0DET = 0x01000000,
860 PMCS_LFDET = 0x00040000,
861 PMCS_LRDET = 0x00020000,
862 PMCS_MFDET = 0x00010000,
863 PMCS_ENMASK = 0x0000FFFF,
864 PMCS_WF7EN = 0x00008000,
865 PMCS_WF6EN = 0x00004000,
866 PMCS_WF5EN = 0x00002000,
867 PMCS_WF4EN = 0x00001000,
868 PMCS_WF3EN = 0x00000800,
869 PMCS_WF2EN = 0x00000400,
870 PMCS_WF1EN = 0x00000200,
871 PMCS_WF0EN = 0x00000100,
872 PMCS_LFEN = 0x00000004,
873 PMCS_LREN = 0x00000002,
874 PMCS_MFEN = 0x00000001,
875 };
876
877 /*
878 * New PHY Power Control Register
879 */
880 enum jme_phy_pwr_bit_masks {
881 PHY_PWR_DWN1SEL = 0x01000000, /* Phy_giga.p_PWR_DOWN1_SEL */
882 PHY_PWR_DWN1SW = 0x02000000, /* Phy_giga.p_PWR_DOWN1_SW */
883 PHY_PWR_DWN2 = 0x04000000, /* Phy_giga.p_PWR_DOWN2 */
884 PHY_PWR_CLKSEL = 0x08000000, /*
885 * XTL_OUT Clock select
886 * (an internal free-running clock)
887 * 0: xtl_out = phy_giga.A_XTL25_O
888 * 1: xtl_out = phy_giga.PD_OSC
889 */
890 };
891
892 /*
893 * Giga PHY Status Registers
894 */
895 enum jme_phy_link_bit_mask {
896 PHY_LINK_SPEED_MASK = 0x0000C000,
897 PHY_LINK_DUPLEX = 0x00002000,
898 PHY_LINK_SPEEDDPU_RESOLVED = 0x00000800,
899 PHY_LINK_UP = 0x00000400,
900 PHY_LINK_AUTONEG_COMPLETE = 0x00000200,
901 PHY_LINK_MDI_STAT = 0x00000040,
902 };
903
904 enum jme_phy_link_speed_val {
905 PHY_LINK_SPEED_10M = 0x00000000,
906 PHY_LINK_SPEED_100M = 0x00004000,
907 PHY_LINK_SPEED_1000M = 0x00008000,
908 };
909
910 #define JME_SPDRSV_TIMEOUT 500 /* 500 us */
911
912 /*
913 * SMB Control and Status
914 */
915 enum jme_smbcsr_bit_mask {
916 SMBCSR_CNACK = 0x00020000,
917 SMBCSR_RELOAD = 0x00010000,
918 SMBCSR_EEPROMD = 0x00000020,
919 SMBCSR_INITDONE = 0x00000010,
920 SMBCSR_BUSY = 0x0000000F,
921 };
922
923 enum jme_smbintf_bit_mask {
924 SMBINTF_HWDATR = 0xFF000000,
925 SMBINTF_HWDATW = 0x00FF0000,
926 SMBINTF_HWADDR = 0x0000FF00,
927 SMBINTF_HWRWN = 0x00000020,
928 SMBINTF_HWCMD = 0x00000010,
929 SMBINTF_FASTM = 0x00000008,
930 SMBINTF_GPIOSCL = 0x00000004,
931 SMBINTF_GPIOSDA = 0x00000002,
932 SMBINTF_GPIOEN = 0x00000001,
933 };
934
935 enum jme_smbintf_vals {
936 SMBINTF_HWRWN_READ = 0x00000020,
937 SMBINTF_HWRWN_WRITE = 0x00000000,
938 };
939
940 enum jme_smbintf_shifts {
941 SMBINTF_HWDATR_SHIFT = 24,
942 SMBINTF_HWDATW_SHIFT = 16,
943 SMBINTF_HWADDR_SHIFT = 8,
944 };
945
946 #define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
947 #define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
948 #define JME_SMB_LEN 256
949 #define JME_EEPROM_MAGIC 0x250
950
951 /*
952 * Timer Control/Status Register
953 */
954 enum jme_tmcsr_bit_masks {
955 TMCSR_SWIT = 0x80000000,
956 TMCSR_EN = 0x01000000,
957 TMCSR_CNT = 0x00FFFFFF,
958 };
959
960 /*
961 * General Purpose REG-0
962 */
963 enum jme_gpreg0_masks {
964 GPREG0_DISSH = 0xFF000000,
965 GPREG0_PCIRLMT = 0x00300000,
966 GPREG0_PCCNOMUTCLR = 0x00040000,
967 GPREG0_LNKINTPOLL = 0x00001000,
968 GPREG0_PCCTMR = 0x00000300,
969 GPREG0_PHYADDR = 0x0000001F,
970 };
971
972 enum jme_gpreg0_vals {
973 GPREG0_DISSH_DW7 = 0x80000000,
974 GPREG0_DISSH_DW6 = 0x40000000,
975 GPREG0_DISSH_DW5 = 0x20000000,
976 GPREG0_DISSH_DW4 = 0x10000000,
977 GPREG0_DISSH_DW3 = 0x08000000,
978 GPREG0_DISSH_DW2 = 0x04000000,
979 GPREG0_DISSH_DW1 = 0x02000000,
980 GPREG0_DISSH_DW0 = 0x01000000,
981 GPREG0_DISSH_ALL = 0xFF000000,
982
983 GPREG0_PCIRLMT_8 = 0x00000000,
984 GPREG0_PCIRLMT_6 = 0x00100000,
985 GPREG0_PCIRLMT_5 = 0x00200000,
986 GPREG0_PCIRLMT_4 = 0x00300000,
987
988 GPREG0_PCCTMR_16ns = 0x00000000,
989 GPREG0_PCCTMR_256ns = 0x00000100,
990 GPREG0_PCCTMR_1us = 0x00000200,
991 GPREG0_PCCTMR_1ms = 0x00000300,
992
993 GPREG0_PHYADDR_1 = 0x00000001,
994
995 GPREG0_DEFAULT = GPREG0_PCIRLMT_4 |
996 GPREG0_PCCTMR_1us |
997 GPREG0_PHYADDR_1,
998 };
999
1000 /*
1001 * General Purpose REG-1
1002 */
1003 enum jme_gpreg1_bit_masks {
1004 GPREG1_RXCLKOFF = 0x04000000,
1005 GPREG1_PCREQN = 0x00020000,
1006 GPREG1_HALFMODEPATCH = 0x00000040, /* For Chip revision 0x11 only */
1007 GPREG1_RSSPATCH = 0x00000020, /* For Chip revision 0x11 only */
1008 GPREG1_INTRDELAYUNIT = 0x00000018,
1009 GPREG1_INTRDELAYENABLE = 0x00000007,
1010 };
1011
1012 enum jme_gpreg1_vals {
1013 GPREG1_INTDLYUNIT_16NS = 0x00000000,
1014 GPREG1_INTDLYUNIT_256NS = 0x00000008,
1015 GPREG1_INTDLYUNIT_1US = 0x00000010,
1016 GPREG1_INTDLYUNIT_16US = 0x00000018,
1017
1018 GPREG1_INTDLYEN_1U = 0x00000001,
1019 GPREG1_INTDLYEN_2U = 0x00000002,
1020 GPREG1_INTDLYEN_3U = 0x00000003,
1021 GPREG1_INTDLYEN_4U = 0x00000004,
1022 GPREG1_INTDLYEN_5U = 0x00000005,
1023 GPREG1_INTDLYEN_6U = 0x00000006,
1024 GPREG1_INTDLYEN_7U = 0x00000007,
1025
1026 GPREG1_DEFAULT = GPREG1_PCREQN,
1027 };
1028
1029 /*
1030 * Interrupt Status Bits
1031 */
1032 enum jme_interrupt_bits {
1033 INTR_SWINTR = 0x80000000,
1034 INTR_TMINTR = 0x40000000,
1035 INTR_LINKCH = 0x20000000,
1036 INTR_PAUSERCV = 0x10000000,
1037 INTR_MAGICRCV = 0x08000000,
1038 INTR_WAKERCV = 0x04000000,
1039 INTR_PCCRX0TO = 0x02000000,
1040 INTR_PCCRX1TO = 0x01000000,
1041 INTR_PCCRX2TO = 0x00800000,
1042 INTR_PCCRX3TO = 0x00400000,
1043 INTR_PCCTXTO = 0x00200000,
1044 INTR_PCCRX0 = 0x00100000,
1045 INTR_PCCRX1 = 0x00080000,
1046 INTR_PCCRX2 = 0x00040000,
1047 INTR_PCCRX3 = 0x00020000,
1048 INTR_PCCTX = 0x00010000,
1049 INTR_RX3EMP = 0x00008000,
1050 INTR_RX2EMP = 0x00004000,
1051 INTR_RX1EMP = 0x00002000,
1052 INTR_RX0EMP = 0x00001000,
1053 INTR_RX3 = 0x00000800,
1054 INTR_RX2 = 0x00000400,
1055 INTR_RX1 = 0x00000200,
1056 INTR_RX0 = 0x00000100,
1057 INTR_TX7 = 0x00000080,
1058 INTR_TX6 = 0x00000040,
1059 INTR_TX5 = 0x00000020,
1060 INTR_TX4 = 0x00000010,
1061 INTR_TX3 = 0x00000008,
1062 INTR_TX2 = 0x00000004,
1063 INTR_TX1 = 0x00000002,
1064 INTR_TX0 = 0x00000001,
1065 };
1066
1067 static const u32 INTR_ENABLE = INTR_SWINTR |
1068 INTR_TMINTR |
1069 INTR_LINKCH |
1070 INTR_PCCRX0TO |
1071 INTR_PCCRX0 |
1072 INTR_PCCTXTO |
1073 INTR_PCCTX |
1074 INTR_RX0EMP;
1075
1076 /*
1077 * PCC Control Registers
1078 */
1079 enum jme_pccrx_masks {
1080 PCCRXTO_MASK = 0xFFFF0000,
1081 PCCRX_MASK = 0x0000FF00,
1082 };
1083
1084 enum jme_pcctx_masks {
1085 PCCTXTO_MASK = 0xFFFF0000,
1086 PCCTX_MASK = 0x0000FF00,
1087 PCCTX_QS_MASK = 0x000000FF,
1088 };
1089
1090 enum jme_pccrx_shifts {
1091 PCCRXTO_SHIFT = 16,
1092 PCCRX_SHIFT = 8,
1093 };
1094
1095 enum jme_pcctx_shifts {
1096 PCCTXTO_SHIFT = 16,
1097 PCCTX_SHIFT = 8,
1098 };
1099
1100 enum jme_pcctx_bits {
1101 PCCTXQ0_EN = 0x00000001,
1102 PCCTXQ1_EN = 0x00000002,
1103 PCCTXQ2_EN = 0x00000004,
1104 PCCTXQ3_EN = 0x00000008,
1105 PCCTXQ4_EN = 0x00000010,
1106 PCCTXQ5_EN = 0x00000020,
1107 PCCTXQ6_EN = 0x00000040,
1108 PCCTXQ7_EN = 0x00000080,
1109 };
1110
1111 /*
1112 * Chip Mode Register
1113 */
1114 enum jme_chipmode_bit_masks {
1115 CM_FPGAVER_MASK = 0xFFFF0000,
1116 CM_CHIPREV_MASK = 0x0000FF00,
1117 CM_CHIPMODE_MASK = 0x0000000F,
1118 };
1119
1120 enum jme_chipmode_shifts {
1121 CM_FPGAVER_SHIFT = 16,
1122 CM_CHIPREV_SHIFT = 8,
1123 };
1124
1125 /*
1126 * Aggressive Power Mode Control
1127 */
1128 enum jme_apmc_bits {
1129 JME_APMC_PCIE_SD_EN = 0x40000000,
1130 JME_APMC_PSEUDO_HP_EN = 0x20000000,
1131 JME_APMC_EPIEN = 0x04000000,
1132 JME_APMC_EPIEN_CTRL = 0x03000000,
1133 };
1134
1135 enum jme_apmc_values {
1136 JME_APMC_EPIEN_CTRL_EN = 0x02000000,
1137 JME_APMC_EPIEN_CTRL_DIS = 0x01000000,
1138 };
1139
1140 #define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000)
1141
1142 #ifdef REG_DEBUG
1143 static char *MAC_REG_NAME[] = {
1144 "JME_TXCS", "JME_TXDBA_LO", "JME_TXDBA_HI", "JME_TXQDC",
1145 "JME_TXNDA", "JME_TXMCS", "JME_TXPFC", "JME_TXTRHD",
1146 "JME_RXCS", "JME_RXDBA_LO", "JME_RXDBA_HI", "JME_RXQDC",
1147 "JME_RXNDA", "JME_RXMCS", "JME_RXUMA_LO", "JME_RXUMA_HI",
1148 "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP", "JME_WFOI",
1149 "JME_SMI", "JME_GHC", "UNKNOWN", "UNKNOWN",
1150 "JME_PMCS"};
1151
1152 static char *PE_REG_NAME[] = {
1153 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1154 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1155 "UNKNOWN", "UNKNOWN", "JME_PHY_CS", "UNKNOWN",
1156 "JME_PHY_LINK", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1157 "JME_SMBCSR", "JME_SMBINTF"};
1158
1159 static char *MISC_REG_NAME[] = {
1160 "JME_TMCSR", "JME_GPIO", "JME_GPREG0", "JME_GPREG1",
1161 "JME_IEVE", "JME_IREQ", "JME_IENS", "JME_IENC",
1162 "JME_PCCRX0", "JME_PCCRX1", "JME_PCCRX2", "JME_PCCRX3",
1163 "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO",
1164 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1165 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1166 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1167 "JME_TIMER1", "JME_TIMER2", "UNKNOWN", "JME_APMC",
1168 "JME_PCCSRX0"};
1169
1170 static inline void reg_dbg(const struct jme_adapter *jme,
1171 const char *msg, u32 val, u32 reg)
1172 {
1173 const char *regname;
1174 switch (reg & 0xF00) {
1175 case 0x000:
1176 regname = MAC_REG_NAME[(reg & 0xFF) >> 2];
1177 break;
1178 case 0x400:
1179 regname = PE_REG_NAME[(reg & 0xFF) >> 2];
1180 break;
1181 case 0x800:
1182 regname = MISC_REG_NAME[(reg & 0xFF) >> 2];
1183 break;
1184 default:
1185 regname = PE_REG_NAME[0];
1186 }
1187 printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name,
1188 msg, val, regname);
1189 }
1190 #else
1191 static inline void reg_dbg(const struct jme_adapter *jme,
1192 const char *msg, u32 val, u32 reg) {}
1193 #endif
1194
1195 /*
1196 * Read/Write MMaped I/O Registers
1197 */
1198 static inline u32 jread32(struct jme_adapter *jme, u32 reg)
1199 {
1200 return readl(jme->regs + reg);
1201 }
1202
1203 static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val)
1204 {
1205 reg_dbg(jme, "REG WRITE", val, reg);
1206 writel(val, jme->regs + reg);
1207 reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1208 }
1209
1210 static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val)
1211 {
1212 /*
1213 * Read after write should cause flush
1214 */
1215 reg_dbg(jme, "REG WRITE FLUSH", val, reg);
1216 writel(val, jme->regs + reg);
1217 readl(jme->regs + reg);
1218 reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1219 }
1220
1221 /*
1222 * PHY Regs
1223 */
1224 enum jme_phy_reg17_bit_masks {
1225 PREG17_SPEED = 0xC000,
1226 PREG17_DUPLEX = 0x2000,
1227 PREG17_SPDRSV = 0x0800,
1228 PREG17_LNKUP = 0x0400,
1229 PREG17_MDI = 0x0040,
1230 };
1231
1232 enum jme_phy_reg17_vals {
1233 PREG17_SPEED_10M = 0x0000,
1234 PREG17_SPEED_100M = 0x4000,
1235 PREG17_SPEED_1000M = 0x8000,
1236 };
1237
1238 #define BMSR_ANCOMP 0x0020
1239
1240 /*
1241 * Workaround
1242 */
1243 static inline int is_buggy250(unsigned short device, u8 chiprev)
1244 {
1245 return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
1246 }
1247
1248 static inline int new_phy_power_ctrl(u8 chip_main_rev)
1249 {
1250 return chip_main_rev >= 5;
1251 }
1252
1253 /*
1254 * Function prototypes
1255 */
1256 static int jme_set_settings(struct net_device *netdev,
1257 struct ethtool_cmd *ecmd);
1258 static void jme_set_unicastaddr(struct net_device *netdev);
1259 static void jme_set_multi(struct net_device *netdev);
1260
1261 #endif
kernel-based virtual machine