1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
4 *
5 * Copyright 2008 JMicron Technology Corporation
6 * https://www.jmicron.com/
7 * Copyright (c) 2009 - 2010 Guo-Fu Tseng <cooldavid@cooldavid.org>
8 *
9 * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
10 */
11
12 #ifndef __JME_H_INCLUDED__
13 #define __JME_H_INCLUDED__
14 #include <linux/interrupt.h>
15
16 #define DRV_NAME "jme"
17 #define DRV_VERSION "1.0.8"
18
19 #define PCI_DEVICE_ID_JMICRON_JMC250 0x0250
20 #define PCI_DEVICE_ID_JMICRON_JMC260 0x0260
21
22 /*
23 * Message related definitions
24 */
25 #define JME_DEF_MSG_ENABLE \
26 (NETIF_MSG_PROBE | \
27 NETIF_MSG_LINK | \
28 NETIF_MSG_RX_ERR | \
29 NETIF_MSG_TX_ERR | \
30 NETIF_MSG_HW)
31
32 #ifdef TX_DEBUG
33 #define tx_dbg(priv, fmt, args...) \
34 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args)
35 #else
36 #define tx_dbg(priv, fmt, args...) \
37 do { \
38 if (0) \
39 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args); \
40 } while (0)
41 #endif
42
43 /*
44 * Extra PCI Configuration space interface
45 */
46 #define PCI_DCSR_MRRS 0x59
47 #define PCI_DCSR_MRRS_MASK 0x70
48
49 enum pci_dcsr_mrrs_vals {
50 MRRS_128B = 0x00,
51 MRRS_256B = 0x10,
52 MRRS_512B = 0x20,
53 MRRS_1024B = 0x30,
54 MRRS_2048B = 0x40,
55 MRRS_4096B = 0x50,
56 };
57
58 #define PCI_SPI 0xB0
59
60 enum pci_spi_bits {
61 SPI_EN = 0x10,
62 SPI_MISO = 0x08,
63 SPI_MOSI = 0x04,
64 SPI_SCLK = 0x02,
65 SPI_CS = 0x01,
66 };
67
68 struct jme_spi_op {
69 void __user *uwbuf;
70 void __user *urbuf;
71 __u8 wn; /* Number of write actions */
72 __u8 rn; /* Number of read actions */
73 __u8 bitn; /* Number of bits per action */
74 __u8 spd; /* The maxim acceptable speed of controller, in MHz.*/
75 __u8 mode; /* CPOL, CPHA, and Duplex mode of SPI */
76
77 /* Internal use only */
78 u8 *kwbuf;
79 u8 *krbuf;
80 u8 sr;
81 u16 halfclk; /* Half of clock cycle calculated from spd, in ns */
82 };
83
84 enum jme_spi_op_bits {
85 SPI_MODE_CPHA = 0x01,
86 SPI_MODE_CPOL = 0x02,
87 SPI_MODE_DUP = 0x80,
88 };
89
90 #define HALF_US 500 /* 500 ns */
91
92 #define PCI_PRIV_PE1 0xE4
93
94 enum pci_priv_pe1_bit_masks {
95 PE1_ASPMSUPRT = 0x00000003, /*
96 * RW:
97 * Aspm_support[1:0]
98 * (R/W Port of 5C[11:10])
99 */
100 PE1_MULTIFUN = 0x00000004, /* RW: Multi_fun_bit */
101 PE1_RDYDMA = 0x00000008, /* RO: ~link.rdy_for_dma */
102 PE1_ASPMOPTL = 0x00000030, /* RW: link.rx10s_option[1:0] */
103 PE1_ASPMOPTH = 0x000000C0, /* RW: 10_req=[3]?HW:[2] */
104 PE1_GPREG0 = 0x0000FF00, /*
105 * SRW:
106 * Cfg_gp_reg0
107 * [7:6] phy_giga BG control
108 * [5] CREQ_N as CREQ_N1 (CPPE# as CREQ#)
109 * [4:0] Reserved
110 */
111 PE1_GPREG0_PBG = 0x0000C000, /* phy_giga BG control */
112 PE1_GPREG1 = 0x00FF0000, /* RW: Cfg_gp_reg1 */
113 PE1_REVID = 0xFF000000, /* RO: Rev ID */
114 };
115
116 enum pci_priv_pe1_values {
117 PE1_GPREG0_ENBG = 0x00000000, /* en BG */
118 PE1_GPREG0_PDD3COLD = 0x00004000, /* giga_PD + d3cold */
119 PE1_GPREG0_PDPCIESD = 0x00008000, /* giga_PD + pcie_shutdown */
120 PE1_GPREG0_PDPCIEIDDQ = 0x0000C000, /* giga_PD + pcie_iddq */
121 };
122
123 /*
124 * Dynamic(adaptive)/Static PCC values
125 */
126 enum dynamic_pcc_values {
127 PCC_OFF = 0,
128 PCC_P1 = 1,
129 PCC_P2 = 2,
130 PCC_P3 = 3,
131
132 PCC_OFF_TO = 0,
133 PCC_P1_TO = 1,
134 PCC_P2_TO = 64,
135 PCC_P3_TO = 128,
136
137 PCC_OFF_CNT = 0,
138 PCC_P1_CNT = 1,
139 PCC_P2_CNT = 16,
140 PCC_P3_CNT = 32,
141 };
142 struct dynpcc_info {
143 unsigned long last_bytes;
144 unsigned long last_pkts;
145 unsigned long intr_cnt;
146 unsigned char cur;
147 unsigned char attempt;
148 unsigned char cnt;
149 };
150 #define PCC_INTERVAL_US 100000
151 #define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US))
152 #define PCC_P3_THRESHOLD (2 * 1024 * 1024)
153 #define PCC_P2_THRESHOLD 800
154 #define PCC_INTR_THRESHOLD 800
155 #define PCC_TX_TO 1000
156 #define PCC_TX_CNT 8
157
158 /*
159 * TX/RX Descriptors
160 *
161 * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
162 */
163 #define RING_DESC_ALIGN 16 /* Descriptor alignment */
164 #define TX_DESC_SIZE 16
165 #define TX_RING_NR 8
166 #define TX_RING_ALLOC_SIZE(s) ((s * TX_DESC_SIZE) + RING_DESC_ALIGN)
167
168 struct txdesc {
169 union {
170 __u8 all[16];
171 __le32 dw[4];
172 struct {
173 /* DW0 */
174 __le16 vlan;
175 __u8 rsv1;
176 __u8 flags;
177
178 /* DW1 */
179 __le16 datalen;
180 __le16 mss;
181
182 /* DW2 */
183 __le16 pktsize;
184 __le16 rsv2;
185
186 /* DW3 */
187 __le32 bufaddr;
188 } desc1;
189 struct {
190 /* DW0 */
191 __le16 rsv1;
192 __u8 rsv2;
193 __u8 flags;
194
195 /* DW1 */
196 __le16 datalen;
197 __le16 rsv3;
198
199 /* DW2 */
200 __le32 bufaddrh;
201
202 /* DW3 */
203 __le32 bufaddrl;
204 } desc2;
205 struct {
206 /* DW0 */
207 __u8 ehdrsz;
208 __u8 rsv1;
209 __u8 rsv2;
210 __u8 flags;
211
212 /* DW1 */
213 __le16 trycnt;
214 __le16 segcnt;
215
216 /* DW2 */
217 __le16 pktsz;
218 __le16 rsv3;
219
220 /* DW3 */
221 __le32 bufaddrl;
222 } descwb;
223 };
224 };
225
226 enum jme_txdesc_flags_bits {
227 TXFLAG_OWN = 0x80,
228 TXFLAG_INT = 0x40,
229 TXFLAG_64BIT = 0x20,
230 TXFLAG_TCPCS = 0x10,
231 TXFLAG_UDPCS = 0x08,
232 TXFLAG_IPCS = 0x04,
233 TXFLAG_LSEN = 0x02,
234 TXFLAG_TAGON = 0x01,
235 };
236
237 #define TXDESC_MSS_SHIFT 2
238 enum jme_txwbdesc_flags_bits {
239 TXWBFLAG_OWN = 0x80,
240 TXWBFLAG_INT = 0x40,
241 TXWBFLAG_TMOUT = 0x20,
242 TXWBFLAG_TRYOUT = 0x10,
243 TXWBFLAG_COL = 0x08,
244
245 TXWBFLAG_ALLERR = TXWBFLAG_TMOUT |
246 TXWBFLAG_TRYOUT |
247 TXWBFLAG_COL,
248 };
249
250 #define RX_DESC_SIZE 16
251 #define RX_RING_NR 4
252 #define RX_RING_ALLOC_SIZE(s) ((s * RX_DESC_SIZE) + RING_DESC_ALIGN)
253 #define RX_BUF_DMA_ALIGN 8
254 #define RX_PREPAD_SIZE 10
255 #define ETH_CRC_LEN 2
256 #define RX_VLANHDR_LEN 2
257 #define RX_EXTRA_LEN (RX_PREPAD_SIZE + \
258 ETH_HLEN + \
259 ETH_CRC_LEN + \
260 RX_VLANHDR_LEN + \
261 RX_BUF_DMA_ALIGN)
262
263 struct rxdesc {
264 union {
265 __u8 all[16];
266 __le32 dw[4];
267 struct {
268 /* DW0 */
269 __le16 rsv2;
270 __u8 rsv1;
271 __u8 flags;
272
273 /* DW1 */
274 __le16 datalen;
275 __le16 wbcpl;
276
277 /* DW2 */
278 __le32 bufaddrh;
279
280 /* DW3 */
281 __le32 bufaddrl;
282 } desc1;
283 struct {
284 /* DW0 */
285 __le16 vlan;
286 __le16 flags;
287
288 /* DW1 */
289 __le16 framesize;
290 __u8 errstat;
291 __u8 desccnt;
292
293 /* DW2 */
294 __le32 rsshash;
295
296 /* DW3 */
297 __u8 hashfun;
298 __u8 hashtype;
299 __le16 resrv;
300 } descwb;
301 };
302 };
303
304 enum jme_rxdesc_flags_bits {
305 RXFLAG_OWN = 0x80,
306 RXFLAG_INT = 0x40,
307 RXFLAG_64BIT = 0x20,
308 };
309
310 enum jme_rxwbdesc_flags_bits {
311 RXWBFLAG_OWN = 0x8000,
312 RXWBFLAG_INT = 0x4000,
313 RXWBFLAG_MF = 0x2000,
314 RXWBFLAG_64BIT = 0x2000,
315 RXWBFLAG_TCPON = 0x1000,
316 RXWBFLAG_UDPON = 0x0800,
317 RXWBFLAG_IPCS = 0x0400,
318 RXWBFLAG_TCPCS = 0x0200,
319 RXWBFLAG_UDPCS = 0x0100,
320 RXWBFLAG_TAGON = 0x0080,
321 RXWBFLAG_IPV4 = 0x0040,
322 RXWBFLAG_IPV6 = 0x0020,
323 RXWBFLAG_PAUSE = 0x0010,
324 RXWBFLAG_MAGIC = 0x0008,
325 RXWBFLAG_WAKEUP = 0x0004,
326 RXWBFLAG_DEST = 0x0003,
327 RXWBFLAG_DEST_UNI = 0x0001,
328 RXWBFLAG_DEST_MUL = 0x0002,
329 RXWBFLAG_DEST_BRO = 0x0003,
330 };
331
332 enum jme_rxwbdesc_desccnt_mask {
333 RXWBDCNT_WBCPL = 0x80,
334 RXWBDCNT_DCNT = 0x7F,
335 };
336
337 enum jme_rxwbdesc_errstat_bits {
338 RXWBERR_LIMIT = 0x80,
339 RXWBERR_MIIER = 0x40,
340 RXWBERR_NIBON = 0x20,
341 RXWBERR_COLON = 0x10,
342 RXWBERR_ABORT = 0x08,
343 RXWBERR_SHORT = 0x04,
344 RXWBERR_OVERUN = 0x02,
345 RXWBERR_CRCERR = 0x01,
346 RXWBERR_ALLERR = 0xFF,
347 };
348
349 /*
350 * Buffer information corresponding to ring descriptors.
351 */
352 struct jme_buffer_info {
353 struct sk_buff *skb;
354 dma_addr_t mapping;
355 int len;
356 int nr_desc;
357 unsigned long start_xmit;
358 };
359
360 /*
361 * The structure holding buffer information and ring descriptors all together.
362 */
363 struct jme_ring {
364 void *alloc; /* pointer to allocated memory */
365 void *desc; /* pointer to ring memory */
366 dma_addr_t dmaalloc; /* phys address of ring alloc */
367 dma_addr_t dma; /* phys address for ring dma */
368
369 /* Buffer information corresponding to each descriptor */
370 struct jme_buffer_info *bufinf;
371
372 int next_to_use;
373 atomic_t next_to_clean;
374 atomic_t nr_free;
375 };
376
377 #define NET_STAT(priv) (priv->dev->stats)
378 #define NETDEV_GET_STATS(netdev, fun_ptr)
379 #define DECLARE_NET_DEVICE_STATS
380
381 #define DECLARE_NAPI_STRUCT struct napi_struct napi;
382 #define NETIF_NAPI_SET(dev, napis, pollfn, q) \
383 netif_napi_add(dev, napis, pollfn, q);
384 #define JME_NAPI_HOLDER(holder) struct napi_struct *holder
385 #define JME_NAPI_WEIGHT(w) int w
386 #define JME_NAPI_WEIGHT_VAL(w) w
387 #define JME_NAPI_WEIGHT_SET(w, r)
388 #define JME_RX_COMPLETE(dev, napis) napi_complete(napis)
389 #define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
390 #define JME_NAPI_DISABLE(priv) \
391 if (!napi_disable_pending(&priv->napi)) \
392 napi_disable(&priv->napi);
393 #define JME_RX_SCHEDULE_PREP(priv) \
394 napi_schedule_prep(&priv->napi)
395 #define JME_RX_SCHEDULE(priv) \
396 __napi_schedule(&priv->napi);
397
398 /*
399 * Jmac Adapter Private data
400 */
401 struct jme_adapter {
402 struct pci_dev *pdev;
403 struct net_device *dev;
404 void __iomem *regs;
405 struct mii_if_info mii_if;
406 struct jme_ring rxring[RX_RING_NR];
407 struct jme_ring txring[TX_RING_NR];
408 spinlock_t phy_lock;
409 spinlock_t macaddr_lock;
410 spinlock_t rxmcs_lock;
411 struct tasklet_struct rxempty_task;
412 struct tasklet_struct rxclean_task;
413 struct tasklet_struct txclean_task;
414 struct tasklet_struct linkch_task;
415 struct tasklet_struct pcc_task;
416 unsigned long flags;
417 u32 reg_txcs;
418 u32 reg_txpfc;
419 u32 reg_rxcs;
420 u32 reg_rxmcs;
421 u32 reg_ghc;
422 u32 reg_pmcs;
423 u32 reg_gpreg1;
424 u32 phylink;
425 u32 tx_ring_size;
426 u32 tx_ring_mask;
427 u32 tx_wake_threshold;
428 u32 rx_ring_size;
429 u32 rx_ring_mask;
430 u8 mrrs;
431 unsigned int fpgaver;
432 u8 chiprev;
433 u8 chip_main_rev;
434 u8 chip_sub_rev;
435 u8 pcirev;
436 u32 msg_enable;
437 struct ethtool_link_ksettings old_cmd;
438 unsigned int old_mtu;
439 struct dynpcc_info dpi;
440 atomic_t intr_sem;
441 atomic_t link_changing;
442 atomic_t tx_cleaning;
443 atomic_t rx_cleaning;
444 atomic_t rx_empty;
445 int (*jme_rx)(struct sk_buff *skb);
446 DECLARE_NAPI_STRUCT
447 DECLARE_NET_DEVICE_STATS
448 };
449
450 enum jme_flags_bits {
451 JME_FLAG_MSI = 1,
452 JME_FLAG_SSET = 2,
453 JME_FLAG_POLL = 5,
454 JME_FLAG_SHUTDOWN = 6,
455 };
456
457 #define TX_TIMEOUT (5 * HZ)
458 #define JME_REG_LEN 0x500
459 #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216
460
461 static inline struct jme_adapter*
jme_napi_priv(struct napi_struct * napi)462 jme_napi_priv(struct napi_struct *napi)
463 {
464 struct jme_adapter *jme;
465 jme = container_of(napi, struct jme_adapter, napi);
466 return jme;
467 }
468
469 /*
470 * MMaped I/O Resters
471 */
472 enum jme_iomap_offsets {
473 JME_MAC = 0x0000,
474 JME_PHY = 0x0400,
475 JME_MISC = 0x0800,
476 JME_RSS = 0x0C00,
477 };
478
479 enum jme_iomap_lens {
480 JME_MAC_LEN = 0x80,
481 JME_PHY_LEN = 0x58,
482 JME_MISC_LEN = 0x98,
483 JME_RSS_LEN = 0xFF,
484 };
485
486 enum jme_iomap_regs {
487 JME_TXCS = JME_MAC | 0x00, /* Transmit Control and Status */
488 JME_TXDBA_LO = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
489 JME_TXDBA_HI = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
490 JME_TXQDC = JME_MAC | 0x0C, /* Transmit Queue Desc Count */
491 JME_TXNDA = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
492 JME_TXMCS = JME_MAC | 0x14, /* Transmit MAC Control Status */
493 JME_TXPFC = JME_MAC | 0x18, /* Transmit Pause Frame Control */
494 JME_TXTRHD = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */
495
496 JME_RXCS = JME_MAC | 0x20, /* Receive Control and Status */
497 JME_RXDBA_LO = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
498 JME_RXDBA_HI = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
499 JME_RXQDC = JME_MAC | 0x2C, /* Receive Queue Desc Count */
500 JME_RXNDA = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
501 JME_RXMCS = JME_MAC | 0x34, /* Receive MAC Control Status */
502 JME_RXUMA_LO = JME_MAC | 0x38, /* Receive Unicast MAC Address */
503 JME_RXUMA_HI = JME_MAC | 0x3C, /* Receive Unicast MAC Address */
504 JME_RXMCHT_LO = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
505 JME_RXMCHT_HI = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
506 JME_WFODP = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
507 JME_WFOI = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */
508
509 JME_SMI = JME_MAC | 0x50, /* Station Management Interface */
510 JME_GHC = JME_MAC | 0x54, /* Global Host Control */
511 JME_PMCS = JME_MAC | 0x60, /* Power Management Control/Stat */
512
513
514 JME_PHY_PWR = JME_PHY | 0x24, /* New PHY Power Ctrl Register */
515 JME_PHY_CS = JME_PHY | 0x28, /* PHY Ctrl and Status Register */
516 JME_PHY_LINK = JME_PHY | 0x30, /* PHY Link Status Register */
517 JME_SMBCSR = JME_PHY | 0x40, /* SMB Control and Status */
518 JME_SMBINTF = JME_PHY | 0x44, /* SMB Interface */
519
520
521 JME_TMCSR = JME_MISC | 0x00, /* Timer Control/Status Register */
522 JME_GPREG0 = JME_MISC | 0x08, /* General purpose REG-0 */
523 JME_GPREG1 = JME_MISC | 0x0C, /* General purpose REG-1 */
524 JME_IEVE = JME_MISC | 0x20, /* Interrupt Event Status */
525 JME_IREQ = JME_MISC | 0x24, /* Intr Req Status(For Debug) */
526 JME_IENS = JME_MISC | 0x28, /* Intr Enable - Setting Port */
527 JME_IENC = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */
528 JME_PCCRX0 = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */
529 JME_PCCTX = JME_MISC | 0x40, /* PCC Control for TX Queues */
530 JME_CHIPMODE = JME_MISC | 0x44, /* Identify FPGA Version */
531 JME_SHBA_HI = JME_MISC | 0x48, /* Shadow Register Base HI */
532 JME_SHBA_LO = JME_MISC | 0x4C, /* Shadow Register Base LO */
533 JME_TIMER1 = JME_MISC | 0x70, /* Timer1 */
534 JME_TIMER2 = JME_MISC | 0x74, /* Timer2 */
535 JME_APMC = JME_MISC | 0x7C, /* Aggressive Power Mode Control */
536 JME_PCCSRX0 = JME_MISC | 0x80, /* PCC Status of RX0 */
537 };
538
539 /*
540 * TX Control/Status Bits
541 */
542 enum jme_txcs_bits {
543 TXCS_QUEUE7S = 0x00008000,
544 TXCS_QUEUE6S = 0x00004000,
545 TXCS_QUEUE5S = 0x00002000,
546 TXCS_QUEUE4S = 0x00001000,
547 TXCS_QUEUE3S = 0x00000800,
548 TXCS_QUEUE2S = 0x00000400,
549 TXCS_QUEUE1S = 0x00000200,
550 TXCS_QUEUE0S = 0x00000100,
551 TXCS_FIFOTH = 0x000000C0,
552 TXCS_DMASIZE = 0x00000030,
553 TXCS_BURST = 0x00000004,
554 TXCS_ENABLE = 0x00000001,
555 };
556
557 enum jme_txcs_value {
558 TXCS_FIFOTH_16QW = 0x000000C0,
559 TXCS_FIFOTH_12QW = 0x00000080,
560 TXCS_FIFOTH_8QW = 0x00000040,
561 TXCS_FIFOTH_4QW = 0x00000000,
562
563 TXCS_DMASIZE_64B = 0x00000000,
564 TXCS_DMASIZE_128B = 0x00000010,
565 TXCS_DMASIZE_256B = 0x00000020,
566 TXCS_DMASIZE_512B = 0x00000030,
567
568 TXCS_SELECT_QUEUE0 = 0x00000000,
569 TXCS_SELECT_QUEUE1 = 0x00010000,
570 TXCS_SELECT_QUEUE2 = 0x00020000,
571 TXCS_SELECT_QUEUE3 = 0x00030000,
572 TXCS_SELECT_QUEUE4 = 0x00040000,
573 TXCS_SELECT_QUEUE5 = 0x00050000,
574 TXCS_SELECT_QUEUE6 = 0x00060000,
575 TXCS_SELECT_QUEUE7 = 0x00070000,
576
577 TXCS_DEFAULT = TXCS_FIFOTH_4QW |
578 TXCS_BURST,
579 };
580
581 #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
582
583 /*
584 * TX MAC Control/Status Bits
585 */
586 enum jme_txmcs_bit_masks {
587 TXMCS_IFG2 = 0xC0000000,
588 TXMCS_IFG1 = 0x30000000,
589 TXMCS_TTHOLD = 0x00000300,
590 TXMCS_FBURST = 0x00000080,
591 TXMCS_CARRIEREXT = 0x00000040,
592 TXMCS_DEFER = 0x00000020,
593 TXMCS_BACKOFF = 0x00000010,
594 TXMCS_CARRIERSENSE = 0x00000008,
595 TXMCS_COLLISION = 0x00000004,
596 TXMCS_CRC = 0x00000002,
597 TXMCS_PADDING = 0x00000001,
598 };
599
600 enum jme_txmcs_values {
601 TXMCS_IFG2_6_4 = 0x00000000,
602 TXMCS_IFG2_8_5 = 0x40000000,
603 TXMCS_IFG2_10_6 = 0x80000000,
604 TXMCS_IFG2_12_7 = 0xC0000000,
605
606 TXMCS_IFG1_8_4 = 0x00000000,
607 TXMCS_IFG1_12_6 = 0x10000000,
608 TXMCS_IFG1_16_8 = 0x20000000,
609 TXMCS_IFG1_20_10 = 0x30000000,
610
611 TXMCS_TTHOLD_1_8 = 0x00000000,
612 TXMCS_TTHOLD_1_4 = 0x00000100,
613 TXMCS_TTHOLD_1_2 = 0x00000200,
614 TXMCS_TTHOLD_FULL = 0x00000300,
615
616 TXMCS_DEFAULT = TXMCS_IFG2_8_5 |
617 TXMCS_IFG1_16_8 |
618 TXMCS_TTHOLD_FULL |
619 TXMCS_DEFER |
620 TXMCS_CRC |
621 TXMCS_PADDING,
622 };
623
624 enum jme_txpfc_bits_masks {
625 TXPFC_VLAN_TAG = 0xFFFF0000,
626 TXPFC_VLAN_EN = 0x00008000,
627 TXPFC_PF_EN = 0x00000001,
628 };
629
630 enum jme_txtrhd_bits_masks {
631 TXTRHD_TXPEN = 0x80000000,
632 TXTRHD_TXP = 0x7FFFFF00,
633 TXTRHD_TXREN = 0x00000080,
634 TXTRHD_TXRL = 0x0000007F,
635 };
636
637 enum jme_txtrhd_shifts {
638 TXTRHD_TXP_SHIFT = 8,
639 TXTRHD_TXRL_SHIFT = 0,
640 };
641
642 enum jme_txtrhd_values {
643 TXTRHD_FULLDUPLEX = 0x00000000,
644 TXTRHD_HALFDUPLEX = TXTRHD_TXPEN |
645 ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) |
646 TXTRHD_TXREN |
647 ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL),
648 };
649
650 /*
651 * RX Control/Status Bits
652 */
653 enum jme_rxcs_bit_masks {
654 /* FIFO full threshold for transmitting Tx Pause Packet */
655 RXCS_FIFOTHTP = 0x30000000,
656 /* FIFO threshold for processing next packet */
657 RXCS_FIFOTHNP = 0x0C000000,
658 RXCS_DMAREQSZ = 0x03000000, /* DMA Request Size */
659 RXCS_QUEUESEL = 0x00030000, /* Queue selection */
660 RXCS_RETRYGAP = 0x0000F000, /* RX Desc full retry gap */
661 RXCS_RETRYCNT = 0x00000F00, /* RX Desc full retry counter */
662 RXCS_WAKEUP = 0x00000040, /* Enable receive wakeup packet */
663 RXCS_MAGIC = 0x00000020, /* Enable receive magic packet */
664 RXCS_SHORT = 0x00000010, /* Enable receive short packet */
665 RXCS_ABORT = 0x00000008, /* Enable receive errorr packet */
666 RXCS_QST = 0x00000004, /* Receive queue start */
667 RXCS_SUSPEND = 0x00000002,
668 RXCS_ENABLE = 0x00000001,
669 };
670
671 enum jme_rxcs_values {
672 RXCS_FIFOTHTP_16T = 0x00000000,
673 RXCS_FIFOTHTP_32T = 0x10000000,
674 RXCS_FIFOTHTP_64T = 0x20000000,
675 RXCS_FIFOTHTP_128T = 0x30000000,
676
677 RXCS_FIFOTHNP_16QW = 0x00000000,
678 RXCS_FIFOTHNP_32QW = 0x04000000,
679 RXCS_FIFOTHNP_64QW = 0x08000000,
680 RXCS_FIFOTHNP_128QW = 0x0C000000,
681
682 RXCS_DMAREQSZ_16B = 0x00000000,
683 RXCS_DMAREQSZ_32B = 0x01000000,
684 RXCS_DMAREQSZ_64B = 0x02000000,
685 RXCS_DMAREQSZ_128B = 0x03000000,
686
687 RXCS_QUEUESEL_Q0 = 0x00000000,
688 RXCS_QUEUESEL_Q1 = 0x00010000,
689 RXCS_QUEUESEL_Q2 = 0x00020000,
690 RXCS_QUEUESEL_Q3 = 0x00030000,
691
692 RXCS_RETRYGAP_256ns = 0x00000000,
693 RXCS_RETRYGAP_512ns = 0x00001000,
694 RXCS_RETRYGAP_1024ns = 0x00002000,
695 RXCS_RETRYGAP_2048ns = 0x00003000,
696 RXCS_RETRYGAP_4096ns = 0x00004000,
697 RXCS_RETRYGAP_8192ns = 0x00005000,
698 RXCS_RETRYGAP_16384ns = 0x00006000,
699 RXCS_RETRYGAP_32768ns = 0x00007000,
700
701 RXCS_RETRYCNT_0 = 0x00000000,
702 RXCS_RETRYCNT_4 = 0x00000100,
703 RXCS_RETRYCNT_8 = 0x00000200,
704 RXCS_RETRYCNT_12 = 0x00000300,
705 RXCS_RETRYCNT_16 = 0x00000400,
706 RXCS_RETRYCNT_20 = 0x00000500,
707 RXCS_RETRYCNT_24 = 0x00000600,
708 RXCS_RETRYCNT_28 = 0x00000700,
709 RXCS_RETRYCNT_32 = 0x00000800,
710 RXCS_RETRYCNT_36 = 0x00000900,
711 RXCS_RETRYCNT_40 = 0x00000A00,
712 RXCS_RETRYCNT_44 = 0x00000B00,
713 RXCS_RETRYCNT_48 = 0x00000C00,
714 RXCS_RETRYCNT_52 = 0x00000D00,
715 RXCS_RETRYCNT_56 = 0x00000E00,
716 RXCS_RETRYCNT_60 = 0x00000F00,
717
718 RXCS_DEFAULT = RXCS_FIFOTHTP_128T |
719 RXCS_FIFOTHNP_16QW |
720 RXCS_DMAREQSZ_128B |
721 RXCS_RETRYGAP_256ns |
722 RXCS_RETRYCNT_32,
723 };
724
725 #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
726
727 /*
728 * RX MAC Control/Status Bits
729 */
730 enum jme_rxmcs_bits {
731 RXMCS_ALLFRAME = 0x00000800,
732 RXMCS_BRDFRAME = 0x00000400,
733 RXMCS_MULFRAME = 0x00000200,
734 RXMCS_UNIFRAME = 0x00000100,
735 RXMCS_ALLMULFRAME = 0x00000080,
736 RXMCS_MULFILTERED = 0x00000040,
737 RXMCS_RXCOLLDEC = 0x00000020,
738 RXMCS_FLOWCTRL = 0x00000008,
739 RXMCS_VTAGRM = 0x00000004,
740 RXMCS_PREPAD = 0x00000002,
741 RXMCS_CHECKSUM = 0x00000001,
742
743 RXMCS_DEFAULT = RXMCS_VTAGRM |
744 RXMCS_PREPAD |
745 RXMCS_FLOWCTRL |
746 RXMCS_CHECKSUM,
747 };
748
749 /* Extern PHY common register 2 */
750
751 #define PHY_GAD_TEST_MODE_1 0x00002000
752 #define PHY_GAD_TEST_MODE_MSK 0x0000E000
753 #define JM_PHY_SPEC_REG_READ 0x00004000
754 #define JM_PHY_SPEC_REG_WRITE 0x00008000
755 #define PHY_CALIBRATION_DELAY 20
756 #define JM_PHY_SPEC_ADDR_REG 0x1E
757 #define JM_PHY_SPEC_DATA_REG 0x1F
758
759 #define JM_PHY_EXT_COMM_0_REG 0x30
760 #define JM_PHY_EXT_COMM_1_REG 0x31
761 #define JM_PHY_EXT_COMM_2_REG 0x32
762 #define JM_PHY_EXT_COMM_2_CALI_ENABLE 0x01
763 #define JM_PHY_EXT_COMM_2_CALI_MODE_0 0x02
764 #define JM_PHY_EXT_COMM_2_CALI_LATCH 0x10
765 #define PCI_PRIV_SHARE_NICCTRL 0xF5
766 #define JME_FLAG_PHYEA_ENABLE 0x2
767
768 /*
769 * Wakeup Frame setup interface registers
770 */
771 #define WAKEUP_FRAME_NR 8
772 #define WAKEUP_FRAME_MASK_DWNR 4
773
774 enum jme_wfoi_bit_masks {
775 WFOI_MASK_SEL = 0x00000070,
776 WFOI_CRC_SEL = 0x00000008,
777 WFOI_FRAME_SEL = 0x00000007,
778 };
779
780 enum jme_wfoi_shifts {
781 WFOI_MASK_SHIFT = 4,
782 };
783
784 /*
785 * SMI Related definitions
786 */
787 enum jme_smi_bit_mask {
788 SMI_DATA_MASK = 0xFFFF0000,
789 SMI_REG_ADDR_MASK = 0x0000F800,
790 SMI_PHY_ADDR_MASK = 0x000007C0,
791 SMI_OP_WRITE = 0x00000020,
792 /* Set to 1, after req done it'll be cleared to 0 */
793 SMI_OP_REQ = 0x00000010,
794 SMI_OP_MDIO = 0x00000008, /* Software assess In/Out */
795 SMI_OP_MDOE = 0x00000004, /* Software Output Enable */
796 SMI_OP_MDC = 0x00000002, /* Software CLK Control */
797 SMI_OP_MDEN = 0x00000001, /* Software access Enable */
798 };
799
800 enum jme_smi_bit_shift {
801 SMI_DATA_SHIFT = 16,
802 SMI_REG_ADDR_SHIFT = 11,
803 SMI_PHY_ADDR_SHIFT = 6,
804 };
805
smi_reg_addr(int x)806 static inline u32 smi_reg_addr(int x)
807 {
808 return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
809 }
810
smi_phy_addr(int x)811 static inline u32 smi_phy_addr(int x)
812 {
813 return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK;
814 }
815
816 #define JME_PHY_TIMEOUT 100 /* 100 msec */
817 #define JME_PHY_REG_NR 32
818
819 /*
820 * Global Host Control
821 */
822 enum jme_ghc_bit_mask {
823 GHC_SWRST = 0x40000000,
824 GHC_TO_CLK_SRC = 0x00C00000,
825 GHC_TXMAC_CLK_SRC = 0x00300000,
826 GHC_DPX = 0x00000040,
827 GHC_SPEED = 0x00000030,
828 GHC_LINK_POLL = 0x00000001,
829 };
830
831 enum jme_ghc_speed_val {
832 GHC_SPEED_10M = 0x00000010,
833 GHC_SPEED_100M = 0x00000020,
834 GHC_SPEED_1000M = 0x00000030,
835 };
836
837 enum jme_ghc_to_clk {
838 GHC_TO_CLK_OFF = 0x00000000,
839 GHC_TO_CLK_GPHY = 0x00400000,
840 GHC_TO_CLK_PCIE = 0x00800000,
841 GHC_TO_CLK_INVALID = 0x00C00000,
842 };
843
844 enum jme_ghc_txmac_clk {
845 GHC_TXMAC_CLK_OFF = 0x00000000,
846 GHC_TXMAC_CLK_GPHY = 0x00100000,
847 GHC_TXMAC_CLK_PCIE = 0x00200000,
848 GHC_TXMAC_CLK_INVALID = 0x00300000,
849 };
850
851 /*
852 * Power management control and status register
853 */
854 enum jme_pmcs_bit_masks {
855 PMCS_STMASK = 0xFFFF0000,
856 PMCS_WF7DET = 0x80000000,
857 PMCS_WF6DET = 0x40000000,
858 PMCS_WF5DET = 0x20000000,
859 PMCS_WF4DET = 0x10000000,
860 PMCS_WF3DET = 0x08000000,
861 PMCS_WF2DET = 0x04000000,
862 PMCS_WF1DET = 0x02000000,
863 PMCS_WF0DET = 0x01000000,
864 PMCS_LFDET = 0x00040000,
865 PMCS_LRDET = 0x00020000,
866 PMCS_MFDET = 0x00010000,
867 PMCS_ENMASK = 0x0000FFFF,
868 PMCS_WF7EN = 0x00008000,
869 PMCS_WF6EN = 0x00004000,
870 PMCS_WF5EN = 0x00002000,
871 PMCS_WF4EN = 0x00001000,
872 PMCS_WF3EN = 0x00000800,
873 PMCS_WF2EN = 0x00000400,
874 PMCS_WF1EN = 0x00000200,
875 PMCS_WF0EN = 0x00000100,
876 PMCS_LFEN = 0x00000004,
877 PMCS_LREN = 0x00000002,
878 PMCS_MFEN = 0x00000001,
879 };
880
881 /*
882 * New PHY Power Control Register
883 */
884 enum jme_phy_pwr_bit_masks {
885 PHY_PWR_DWN1SEL = 0x01000000, /* Phy_giga.p_PWR_DOWN1_SEL */
886 PHY_PWR_DWN1SW = 0x02000000, /* Phy_giga.p_PWR_DOWN1_SW */
887 PHY_PWR_DWN2 = 0x04000000, /* Phy_giga.p_PWR_DOWN2 */
888 PHY_PWR_CLKSEL = 0x08000000, /*
889 * XTL_OUT Clock select
890 * (an internal free-running clock)
891 * 0: xtl_out = phy_giga.A_XTL25_O
892 * 1: xtl_out = phy_giga.PD_OSC
893 */
894 };
895
896 /*
897 * Giga PHY Status Registers
898 */
899 enum jme_phy_link_bit_mask {
900 PHY_LINK_SPEED_MASK = 0x0000C000,
901 PHY_LINK_DUPLEX = 0x00002000,
902 PHY_LINK_SPEEDDPU_RESOLVED = 0x00000800,
903 PHY_LINK_UP = 0x00000400,
904 PHY_LINK_AUTONEG_COMPLETE = 0x00000200,
905 PHY_LINK_MDI_STAT = 0x00000040,
906 };
907
908 enum jme_phy_link_speed_val {
909 PHY_LINK_SPEED_10M = 0x00000000,
910 PHY_LINK_SPEED_100M = 0x00004000,
911 PHY_LINK_SPEED_1000M = 0x00008000,
912 };
913
914 #define JME_SPDRSV_TIMEOUT 500 /* 500 us */
915
916 /*
917 * SMB Control and Status
918 */
919 enum jme_smbcsr_bit_mask {
920 SMBCSR_CNACK = 0x00020000,
921 SMBCSR_RELOAD = 0x00010000,
922 SMBCSR_EEPROMD = 0x00000020,
923 SMBCSR_INITDONE = 0x00000010,
924 SMBCSR_BUSY = 0x0000000F,
925 };
926
927 enum jme_smbintf_bit_mask {
928 SMBINTF_HWDATR = 0xFF000000,
929 SMBINTF_HWDATW = 0x00FF0000,
930 SMBINTF_HWADDR = 0x0000FF00,
931 SMBINTF_HWRWN = 0x00000020,
932 SMBINTF_HWCMD = 0x00000010,
933 SMBINTF_FASTM = 0x00000008,
934 SMBINTF_GPIOSCL = 0x00000004,
935 SMBINTF_GPIOSDA = 0x00000002,
936 SMBINTF_GPIOEN = 0x00000001,
937 };
938
939 enum jme_smbintf_vals {
940 SMBINTF_HWRWN_READ = 0x00000020,
941 SMBINTF_HWRWN_WRITE = 0x00000000,
942 };
943
944 enum jme_smbintf_shifts {
945 SMBINTF_HWDATR_SHIFT = 24,
946 SMBINTF_HWDATW_SHIFT = 16,
947 SMBINTF_HWADDR_SHIFT = 8,
948 };
949
950 #define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
951 #define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
952 #define JME_SMB_LEN 256
953 #define JME_EEPROM_MAGIC 0x250
954
955 /*
956 * Timer Control/Status Register
957 */
958 enum jme_tmcsr_bit_masks {
959 TMCSR_SWIT = 0x80000000,
960 TMCSR_EN = 0x01000000,
961 TMCSR_CNT = 0x00FFFFFF,
962 };
963
964 /*
965 * General Purpose REG-0
966 */
967 enum jme_gpreg0_masks {
968 GPREG0_DISSH = 0xFF000000,
969 GPREG0_PCIRLMT = 0x00300000,
970 GPREG0_PCCNOMUTCLR = 0x00040000,
971 GPREG0_LNKINTPOLL = 0x00001000,
972 GPREG0_PCCTMR = 0x00000300,
973 GPREG0_PHYADDR = 0x0000001F,
974 };
975
976 enum jme_gpreg0_vals {
977 GPREG0_DISSH_DW7 = 0x80000000,
978 GPREG0_DISSH_DW6 = 0x40000000,
979 GPREG0_DISSH_DW5 = 0x20000000,
980 GPREG0_DISSH_DW4 = 0x10000000,
981 GPREG0_DISSH_DW3 = 0x08000000,
982 GPREG0_DISSH_DW2 = 0x04000000,
983 GPREG0_DISSH_DW1 = 0x02000000,
984 GPREG0_DISSH_DW0 = 0x01000000,
985 GPREG0_DISSH_ALL = 0xFF000000,
986
987 GPREG0_PCIRLMT_8 = 0x00000000,
988 GPREG0_PCIRLMT_6 = 0x00100000,
989 GPREG0_PCIRLMT_5 = 0x00200000,
990 GPREG0_PCIRLMT_4 = 0x00300000,
991
992 GPREG0_PCCTMR_16ns = 0x00000000,
993 GPREG0_PCCTMR_256ns = 0x00000100,
994 GPREG0_PCCTMR_1us = 0x00000200,
995 GPREG0_PCCTMR_1ms = 0x00000300,
996
997 GPREG0_PHYADDR_1 = 0x00000001,
998
999 GPREG0_DEFAULT = GPREG0_PCIRLMT_4 |
1000 GPREG0_PCCTMR_1us |
1001 GPREG0_PHYADDR_1,
1002 };
1003
1004 /*
1005 * General Purpose REG-1
1006 */
1007 enum jme_gpreg1_bit_masks {
1008 GPREG1_RXCLKOFF = 0x04000000,
1009 GPREG1_PCREQN = 0x00020000,
1010 GPREG1_HALFMODEPATCH = 0x00000040, /* For Chip revision 0x11 only */
1011 GPREG1_RSSPATCH = 0x00000020, /* For Chip revision 0x11 only */
1012 GPREG1_INTRDELAYUNIT = 0x00000018,
1013 GPREG1_INTRDELAYENABLE = 0x00000007,
1014 };
1015
1016 enum jme_gpreg1_vals {
1017 GPREG1_INTDLYUNIT_16NS = 0x00000000,
1018 GPREG1_INTDLYUNIT_256NS = 0x00000008,
1019 GPREG1_INTDLYUNIT_1US = 0x00000010,
1020 GPREG1_INTDLYUNIT_16US = 0x00000018,
1021
1022 GPREG1_INTDLYEN_1U = 0x00000001,
1023 GPREG1_INTDLYEN_2U = 0x00000002,
1024 GPREG1_INTDLYEN_3U = 0x00000003,
1025 GPREG1_INTDLYEN_4U = 0x00000004,
1026 GPREG1_INTDLYEN_5U = 0x00000005,
1027 GPREG1_INTDLYEN_6U = 0x00000006,
1028 GPREG1_INTDLYEN_7U = 0x00000007,
1029
1030 GPREG1_DEFAULT = GPREG1_PCREQN,
1031 };
1032
1033 /*
1034 * Interrupt Status Bits
1035 */
1036 enum jme_interrupt_bits {
1037 INTR_SWINTR = 0x80000000,
1038 INTR_TMINTR = 0x40000000,
1039 INTR_LINKCH = 0x20000000,
1040 INTR_PAUSERCV = 0x10000000,
1041 INTR_MAGICRCV = 0x08000000,
1042 INTR_WAKERCV = 0x04000000,
1043 INTR_PCCRX0TO = 0x02000000,
1044 INTR_PCCRX1TO = 0x01000000,
1045 INTR_PCCRX2TO = 0x00800000,
1046 INTR_PCCRX3TO = 0x00400000,
1047 INTR_PCCTXTO = 0x00200000,
1048 INTR_PCCRX0 = 0x00100000,
1049 INTR_PCCRX1 = 0x00080000,
1050 INTR_PCCRX2 = 0x00040000,
1051 INTR_PCCRX3 = 0x00020000,
1052 INTR_PCCTX = 0x00010000,
1053 INTR_RX3EMP = 0x00008000,
1054 INTR_RX2EMP = 0x00004000,
1055 INTR_RX1EMP = 0x00002000,
1056 INTR_RX0EMP = 0x00001000,
1057 INTR_RX3 = 0x00000800,
1058 INTR_RX2 = 0x00000400,
1059 INTR_RX1 = 0x00000200,
1060 INTR_RX0 = 0x00000100,
1061 INTR_TX7 = 0x00000080,
1062 INTR_TX6 = 0x00000040,
1063 INTR_TX5 = 0x00000020,
1064 INTR_TX4 = 0x00000010,
1065 INTR_TX3 = 0x00000008,
1066 INTR_TX2 = 0x00000004,
1067 INTR_TX1 = 0x00000002,
1068 INTR_TX0 = 0x00000001,
1069 };
1070
1071 static const u32 INTR_ENABLE = INTR_SWINTR |
1072 INTR_TMINTR |
1073 INTR_LINKCH |
1074 INTR_PCCRX0TO |
1075 INTR_PCCRX0 |
1076 INTR_PCCTXTO |
1077 INTR_PCCTX |
1078 INTR_RX0EMP;
1079
1080 /*
1081 * PCC Control Registers
1082 */
1083 enum jme_pccrx_masks {
1084 PCCRXTO_MASK = 0xFFFF0000,
1085 PCCRX_MASK = 0x0000FF00,
1086 };
1087
1088 enum jme_pcctx_masks {
1089 PCCTXTO_MASK = 0xFFFF0000,
1090 PCCTX_MASK = 0x0000FF00,
1091 PCCTX_QS_MASK = 0x000000FF,
1092 };
1093
1094 enum jme_pccrx_shifts {
1095 PCCRXTO_SHIFT = 16,
1096 PCCRX_SHIFT = 8,
1097 };
1098
1099 enum jme_pcctx_shifts {
1100 PCCTXTO_SHIFT = 16,
1101 PCCTX_SHIFT = 8,
1102 };
1103
1104 enum jme_pcctx_bits {
1105 PCCTXQ0_EN = 0x00000001,
1106 PCCTXQ1_EN = 0x00000002,
1107 PCCTXQ2_EN = 0x00000004,
1108 PCCTXQ3_EN = 0x00000008,
1109 PCCTXQ4_EN = 0x00000010,
1110 PCCTXQ5_EN = 0x00000020,
1111 PCCTXQ6_EN = 0x00000040,
1112 PCCTXQ7_EN = 0x00000080,
1113 };
1114
1115 /*
1116 * Chip Mode Register
1117 */
1118 enum jme_chipmode_bit_masks {
1119 CM_FPGAVER_MASK = 0xFFFF0000,
1120 CM_CHIPREV_MASK = 0x0000FF00,
1121 CM_CHIPMODE_MASK = 0x0000000F,
1122 };
1123
1124 enum jme_chipmode_shifts {
1125 CM_FPGAVER_SHIFT = 16,
1126 CM_CHIPREV_SHIFT = 8,
1127 };
1128
1129 /*
1130 * Aggressive Power Mode Control
1131 */
1132 enum jme_apmc_bits {
1133 JME_APMC_PCIE_SD_EN = 0x40000000,
1134 JME_APMC_PSEUDO_HP_EN = 0x20000000,
1135 JME_APMC_EPIEN = 0x04000000,
1136 JME_APMC_EPIEN_CTRL = 0x03000000,
1137 };
1138
1139 enum jme_apmc_values {
1140 JME_APMC_EPIEN_CTRL_EN = 0x02000000,
1141 JME_APMC_EPIEN_CTRL_DIS = 0x01000000,
1142 };
1143
1144 #define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000)
1145
1146 #ifdef REG_DEBUG
1147 static char *MAC_REG_NAME[] = {
1148 "JME_TXCS", "JME_TXDBA_LO", "JME_TXDBA_HI", "JME_TXQDC",
1149 "JME_TXNDA", "JME_TXMCS", "JME_TXPFC", "JME_TXTRHD",
1150 "JME_RXCS", "JME_RXDBA_LO", "JME_RXDBA_HI", "JME_RXQDC",
1151 "JME_RXNDA", "JME_RXMCS", "JME_RXUMA_LO", "JME_RXUMA_HI",
1152 "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP", "JME_WFOI",
1153 "JME_SMI", "JME_GHC", "UNKNOWN", "UNKNOWN",
1154 "JME_PMCS"};
1155
1156 static char *PE_REG_NAME[] = {
1157 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1158 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1159 "UNKNOWN", "UNKNOWN", "JME_PHY_CS", "UNKNOWN",
1160 "JME_PHY_LINK", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1161 "JME_SMBCSR", "JME_SMBINTF"};
1162
1163 static char *MISC_REG_NAME[] = {
1164 "JME_TMCSR", "JME_GPIO", "JME_GPREG0", "JME_GPREG1",
1165 "JME_IEVE", "JME_IREQ", "JME_IENS", "JME_IENC",
1166 "JME_PCCRX0", "JME_PCCRX1", "JME_PCCRX2", "JME_PCCRX3",
1167 "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO",
1168 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1169 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1170 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1171 "JME_TIMER1", "JME_TIMER2", "UNKNOWN", "JME_APMC",
1172 "JME_PCCSRX0"};
1173
reg_dbg(const struct jme_adapter * jme,const char * msg,u32 val,u32 reg)1174 static inline void reg_dbg(const struct jme_adapter *jme,
1175 const char *msg, u32 val, u32 reg)
1176 {
1177 const char *regname;
1178 switch (reg & 0xF00) {
1179 case 0x000:
1180 regname = MAC_REG_NAME[(reg & 0xFF) >> 2];
1181 break;
1182 case 0x400:
1183 regname = PE_REG_NAME[(reg & 0xFF) >> 2];
1184 break;
1185 case 0x800:
1186 regname = MISC_REG_NAME[(reg & 0xFF) >> 2];
1187 break;
1188 default:
1189 regname = PE_REG_NAME[0];
1190 }
1191 printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name,
1192 msg, val, regname);
1193 }
1194 #else
reg_dbg(const struct jme_adapter * jme,const char * msg,u32 val,u32 reg)1195 static inline void reg_dbg(const struct jme_adapter *jme,
1196 const char *msg, u32 val, u32 reg) {}
1197 #endif
1198
1199 /*
1200 * Read/Write MMaped I/O Registers
1201 */
jread32(struct jme_adapter * jme,u32 reg)1202 static inline u32 jread32(struct jme_adapter *jme, u32 reg)
1203 {
1204 return readl(jme->regs + reg);
1205 }
1206
jwrite32(struct jme_adapter * jme,u32 reg,u32 val)1207 static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val)
1208 {
1209 reg_dbg(jme, "REG WRITE", val, reg);
1210 writel(val, jme->regs + reg);
1211 reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1212 }
1213
jwrite32f(struct jme_adapter * jme,u32 reg,u32 val)1214 static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val)
1215 {
1216 /*
1217 * Read after write should cause flush
1218 */
1219 reg_dbg(jme, "REG WRITE FLUSH", val, reg);
1220 writel(val, jme->regs + reg);
1221 readl(jme->regs + reg);
1222 reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1223 }
1224
1225 /*
1226 * PHY Regs
1227 */
1228 enum jme_phy_reg17_bit_masks {
1229 PREG17_SPEED = 0xC000,
1230 PREG17_DUPLEX = 0x2000,
1231 PREG17_SPDRSV = 0x0800,
1232 PREG17_LNKUP = 0x0400,
1233 PREG17_MDI = 0x0040,
1234 };
1235
1236 enum jme_phy_reg17_vals {
1237 PREG17_SPEED_10M = 0x0000,
1238 PREG17_SPEED_100M = 0x4000,
1239 PREG17_SPEED_1000M = 0x8000,
1240 };
1241
1242 #define BMSR_ANCOMP 0x0020
1243
1244 /*
1245 * Workaround
1246 */
is_buggy250(unsigned short device,u8 chiprev)1247 static inline int is_buggy250(unsigned short device, u8 chiprev)
1248 {
1249 return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
1250 }
1251
new_phy_power_ctrl(u8 chip_main_rev)1252 static inline int new_phy_power_ctrl(u8 chip_main_rev)
1253 {
1254 return chip_main_rev >= 5;
1255 }
1256
1257 /*
1258 * Function prototypes
1259 */
1260 static int jme_set_link_ksettings(struct net_device *netdev,
1261 const struct ethtool_link_ksettings *cmd);
1262 static void jme_set_unicastaddr(struct net_device *netdev);
1263 static void jme_set_multi(struct net_device *netdev);
1264
1265 #endif
1266
