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...) \
37do { \
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
49enum 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
60enum 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
68struct 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
84enum 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
94enum 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
116enum 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 */
126enum 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};
142struct 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
168struct 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
226enum 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
238enum 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
263struct 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
304enum jme_rxdesc_flags_bits {
305 RXFLAG_OWN = 0x80,
306 RXFLAG_INT = 0x40,
307 RXFLAG_64BIT = 0x20,
308};
309
310enum 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
332enum jme_rxwbdesc_desccnt_mask {
333 RXWBDCNT_WBCPL = 0x80,
334 RXWBDCNT_DCNT = 0x7F,
335};
336
337enum 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 */
352struct 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 */
363struct 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 JME_NAPI_HOLDER(holder) struct napi_struct *holder
383#define JME_NAPI_WEIGHT(w) int w
384#define JME_NAPI_WEIGHT_VAL(w) w
385#define JME_NAPI_WEIGHT_SET(w, r)
386#define JME_RX_COMPLETE(dev, napis) napi_complete(napis)
387#define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
388#define JME_NAPI_DISABLE(priv) \
389 if (!napi_disable_pending(&priv->napi)) \
390 napi_disable(&priv->napi);
391#define JME_RX_SCHEDULE_PREP(priv) \
392 napi_schedule_prep(&priv->napi)
393#define JME_RX_SCHEDULE(priv) \
394 __napi_schedule(&priv->napi);
395
396/*
397 * Jmac Adapter Private data
398 */
399struct jme_adapter {
400 struct pci_dev *pdev;
401 struct net_device *dev;
402 void __iomem *regs;
403 struct mii_if_info mii_if;
404 struct jme_ring rxring[RX_RING_NR];
405 struct jme_ring txring[TX_RING_NR];
406 spinlock_t phy_lock;
407 spinlock_t macaddr_lock;
408 spinlock_t rxmcs_lock;
409 struct tasklet_struct rxempty_task;
410 struct tasklet_struct rxclean_task;
411 struct tasklet_struct txclean_task;
412 struct work_struct linkch_task;
413 struct tasklet_struct pcc_task;
414 unsigned long flags;
415 u32 reg_txcs;
416 u32 reg_txpfc;
417 u32 reg_rxcs;
418 u32 reg_rxmcs;
419 u32 reg_ghc;
420 u32 reg_pmcs;
421 u32 reg_gpreg1;
422 u32 phylink;
423 u32 tx_ring_size;
424 u32 tx_ring_mask;
425 u32 tx_wake_threshold;
426 u32 rx_ring_size;
427 u32 rx_ring_mask;
428 u8 mrrs;
429 unsigned int fpgaver;
430 u8 chiprev;
431 u8 chip_main_rev;
432 u8 chip_sub_rev;
433 u8 pcirev;
434 u32 msg_enable;
435 struct ethtool_link_ksettings old_cmd;
436 unsigned int old_mtu;
437 struct dynpcc_info dpi;
438 atomic_t intr_sem;
439 atomic_t link_changing;
440 atomic_t tx_cleaning;
441 atomic_t rx_cleaning;
442 atomic_t rx_empty;
443 int (*jme_rx)(struct sk_buff *skb);
444 DECLARE_NAPI_STRUCT
445 DECLARE_NET_DEVICE_STATS
446};
447
448enum jme_flags_bits {
449 JME_FLAG_MSI = 1,
450 JME_FLAG_SSET = 2,
451 JME_FLAG_POLL = 5,
452 JME_FLAG_SHUTDOWN = 6,
453};
454
455#define TX_TIMEOUT (5 * HZ)
456#define JME_REG_LEN 0x500
457#define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216
458
459static inline struct jme_adapter*
460jme_napi_priv(struct napi_struct *napi)
461{
462 struct jme_adapter *jme;
463 jme = container_of(napi, struct jme_adapter, napi);
464 return jme;
465}
466
467/*
468 * MMaped I/O Resters
469 */
470enum jme_iomap_offsets {
471 JME_MAC = 0x0000,
472 JME_PHY = 0x0400,
473 JME_MISC = 0x0800,
474 JME_RSS = 0x0C00,
475};
476
477enum jme_iomap_lens {
478 JME_MAC_LEN = 0x80,
479 JME_PHY_LEN = 0x58,
480 JME_MISC_LEN = 0x98,
481 JME_RSS_LEN = 0xFF,
482};
483
484enum jme_iomap_regs {
485 JME_TXCS = JME_MAC | 0x00, /* Transmit Control and Status */
486 JME_TXDBA_LO = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
487 JME_TXDBA_HI = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
488 JME_TXQDC = JME_MAC | 0x0C, /* Transmit Queue Desc Count */
489 JME_TXNDA = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
490 JME_TXMCS = JME_MAC | 0x14, /* Transmit MAC Control Status */
491 JME_TXPFC = JME_MAC | 0x18, /* Transmit Pause Frame Control */
492 JME_TXTRHD = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */
493
494 JME_RXCS = JME_MAC | 0x20, /* Receive Control and Status */
495 JME_RXDBA_LO = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
496 JME_RXDBA_HI = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
497 JME_RXQDC = JME_MAC | 0x2C, /* Receive Queue Desc Count */
498 JME_RXNDA = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
499 JME_RXMCS = JME_MAC | 0x34, /* Receive MAC Control Status */
500 JME_RXUMA_LO = JME_MAC | 0x38, /* Receive Unicast MAC Address */
501 JME_RXUMA_HI = JME_MAC | 0x3C, /* Receive Unicast MAC Address */
502 JME_RXMCHT_LO = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
503 JME_RXMCHT_HI = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
504 JME_WFODP = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
505 JME_WFOI = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */
506
507 JME_SMI = JME_MAC | 0x50, /* Station Management Interface */
508 JME_GHC = JME_MAC | 0x54, /* Global Host Control */
509 JME_PMCS = JME_MAC | 0x60, /* Power Management Control/Stat */
510
511
512 JME_PHY_PWR = JME_PHY | 0x24, /* New PHY Power Ctrl Register */
513 JME_PHY_CS = JME_PHY | 0x28, /* PHY Ctrl and Status Register */
514 JME_PHY_LINK = JME_PHY | 0x30, /* PHY Link Status Register */
515 JME_SMBCSR = JME_PHY | 0x40, /* SMB Control and Status */
516 JME_SMBINTF = JME_PHY | 0x44, /* SMB Interface */
517
518
519 JME_TMCSR = JME_MISC | 0x00, /* Timer Control/Status Register */
520 JME_GPREG0 = JME_MISC | 0x08, /* General purpose REG-0 */
521 JME_GPREG1 = JME_MISC | 0x0C, /* General purpose REG-1 */
522 JME_IEVE = JME_MISC | 0x20, /* Interrupt Event Status */
523 JME_IREQ = JME_MISC | 0x24, /* Intr Req Status(For Debug) */
524 JME_IENS = JME_MISC | 0x28, /* Intr Enable - Setting Port */
525 JME_IENC = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */
526 JME_PCCRX0 = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */
527 JME_PCCTX = JME_MISC | 0x40, /* PCC Control for TX Queues */
528 JME_CHIPMODE = JME_MISC | 0x44, /* Identify FPGA Version */
529 JME_SHBA_HI = JME_MISC | 0x48, /* Shadow Register Base HI */
530 JME_SHBA_LO = JME_MISC | 0x4C, /* Shadow Register Base LO */
531 JME_TIMER1 = JME_MISC | 0x70, /* Timer1 */
532 JME_TIMER2 = JME_MISC | 0x74, /* Timer2 */
533 JME_APMC = JME_MISC | 0x7C, /* Aggressive Power Mode Control */
534 JME_PCCSRX0 = JME_MISC | 0x80, /* PCC Status of RX0 */
535};
536
537/*
538 * TX Control/Status Bits
539 */
540enum jme_txcs_bits {
541 TXCS_QUEUE7S = 0x00008000,
542 TXCS_QUEUE6S = 0x00004000,
543 TXCS_QUEUE5S = 0x00002000,
544 TXCS_QUEUE4S = 0x00001000,
545 TXCS_QUEUE3S = 0x00000800,
546 TXCS_QUEUE2S = 0x00000400,
547 TXCS_QUEUE1S = 0x00000200,
548 TXCS_QUEUE0S = 0x00000100,
549 TXCS_FIFOTH = 0x000000C0,
550 TXCS_DMASIZE = 0x00000030,
551 TXCS_BURST = 0x00000004,
552 TXCS_ENABLE = 0x00000001,
553};
554
555enum jme_txcs_value {
556 TXCS_FIFOTH_16QW = 0x000000C0,
557 TXCS_FIFOTH_12QW = 0x00000080,
558 TXCS_FIFOTH_8QW = 0x00000040,
559 TXCS_FIFOTH_4QW = 0x00000000,
560
561 TXCS_DMASIZE_64B = 0x00000000,
562 TXCS_DMASIZE_128B = 0x00000010,
563 TXCS_DMASIZE_256B = 0x00000020,
564 TXCS_DMASIZE_512B = 0x00000030,
565
566 TXCS_SELECT_QUEUE0 = 0x00000000,
567 TXCS_SELECT_QUEUE1 = 0x00010000,
568 TXCS_SELECT_QUEUE2 = 0x00020000,
569 TXCS_SELECT_QUEUE3 = 0x00030000,
570 TXCS_SELECT_QUEUE4 = 0x00040000,
571 TXCS_SELECT_QUEUE5 = 0x00050000,
572 TXCS_SELECT_QUEUE6 = 0x00060000,
573 TXCS_SELECT_QUEUE7 = 0x00070000,
574
575 TXCS_DEFAULT = TXCS_FIFOTH_4QW |
576 TXCS_BURST,
577};
578
579#define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
580
581/*
582 * TX MAC Control/Status Bits
583 */
584enum jme_txmcs_bit_masks {
585 TXMCS_IFG2 = 0xC0000000,
586 TXMCS_IFG1 = 0x30000000,
587 TXMCS_TTHOLD = 0x00000300,
588 TXMCS_FBURST = 0x00000080,
589 TXMCS_CARRIEREXT = 0x00000040,
590 TXMCS_DEFER = 0x00000020,
591 TXMCS_BACKOFF = 0x00000010,
592 TXMCS_CARRIERSENSE = 0x00000008,
593 TXMCS_COLLISION = 0x00000004,
594 TXMCS_CRC = 0x00000002,
595 TXMCS_PADDING = 0x00000001,
596};
597
598enum jme_txmcs_values {
599 TXMCS_IFG2_6_4 = 0x00000000,
600 TXMCS_IFG2_8_5 = 0x40000000,
601 TXMCS_IFG2_10_6 = 0x80000000,
602 TXMCS_IFG2_12_7 = 0xC0000000,
603
604 TXMCS_IFG1_8_4 = 0x00000000,
605 TXMCS_IFG1_12_6 = 0x10000000,
606 TXMCS_IFG1_16_8 = 0x20000000,
607 TXMCS_IFG1_20_10 = 0x30000000,
608
609 TXMCS_TTHOLD_1_8 = 0x00000000,
610 TXMCS_TTHOLD_1_4 = 0x00000100,
611 TXMCS_TTHOLD_1_2 = 0x00000200,
612 TXMCS_TTHOLD_FULL = 0x00000300,
613
614 TXMCS_DEFAULT = TXMCS_IFG2_8_5 |
615 TXMCS_IFG1_16_8 |
616 TXMCS_TTHOLD_FULL |
617 TXMCS_DEFER |
618 TXMCS_CRC |
619 TXMCS_PADDING,
620};
621
622enum jme_txpfc_bits_masks {
623 TXPFC_VLAN_TAG = 0xFFFF0000,
624 TXPFC_VLAN_EN = 0x00008000,
625 TXPFC_PF_EN = 0x00000001,
626};
627
628enum jme_txtrhd_bits_masks {
629 TXTRHD_TXPEN = 0x80000000,
630 TXTRHD_TXP = 0x7FFFFF00,
631 TXTRHD_TXREN = 0x00000080,
632 TXTRHD_TXRL = 0x0000007F,
633};
634
635enum jme_txtrhd_shifts {
636 TXTRHD_TXP_SHIFT = 8,
637 TXTRHD_TXRL_SHIFT = 0,
638};
639
640enum jme_txtrhd_values {
641 TXTRHD_FULLDUPLEX = 0x00000000,
642 TXTRHD_HALFDUPLEX = TXTRHD_TXPEN |
643 ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) |
644 TXTRHD_TXREN |
645 ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL),
646};
647
648/*
649 * RX Control/Status Bits
650 */
651enum jme_rxcs_bit_masks {
652 /* FIFO full threshold for transmitting Tx Pause Packet */
653 RXCS_FIFOTHTP = 0x30000000,
654 /* FIFO threshold for processing next packet */
655 RXCS_FIFOTHNP = 0x0C000000,
656 RXCS_DMAREQSZ = 0x03000000, /* DMA Request Size */
657 RXCS_QUEUESEL = 0x00030000, /* Queue selection */
658 RXCS_RETRYGAP = 0x0000F000, /* RX Desc full retry gap */
659 RXCS_RETRYCNT = 0x00000F00, /* RX Desc full retry counter */
660 RXCS_WAKEUP = 0x00000040, /* Enable receive wakeup packet */
661 RXCS_MAGIC = 0x00000020, /* Enable receive magic packet */
662 RXCS_SHORT = 0x00000010, /* Enable receive short packet */
663 RXCS_ABORT = 0x00000008, /* Enable receive errorr packet */
664 RXCS_QST = 0x00000004, /* Receive queue start */
665 RXCS_SUSPEND = 0x00000002,
666 RXCS_ENABLE = 0x00000001,
667};
668
669enum jme_rxcs_values {
670 RXCS_FIFOTHTP_16T = 0x00000000,
671 RXCS_FIFOTHTP_32T = 0x10000000,
672 RXCS_FIFOTHTP_64T = 0x20000000,
673 RXCS_FIFOTHTP_128T = 0x30000000,
674
675 RXCS_FIFOTHNP_16QW = 0x00000000,
676 RXCS_FIFOTHNP_32QW = 0x04000000,
677 RXCS_FIFOTHNP_64QW = 0x08000000,
678 RXCS_FIFOTHNP_128QW = 0x0C000000,
679
680 RXCS_DMAREQSZ_16B = 0x00000000,
681 RXCS_DMAREQSZ_32B = 0x01000000,
682 RXCS_DMAREQSZ_64B = 0x02000000,
683 RXCS_DMAREQSZ_128B = 0x03000000,
684
685 RXCS_QUEUESEL_Q0 = 0x00000000,
686 RXCS_QUEUESEL_Q1 = 0x00010000,
687 RXCS_QUEUESEL_Q2 = 0x00020000,
688 RXCS_QUEUESEL_Q3 = 0x00030000,
689
690 RXCS_RETRYGAP_256ns = 0x00000000,
691 RXCS_RETRYGAP_512ns = 0x00001000,
692 RXCS_RETRYGAP_1024ns = 0x00002000,
693 RXCS_RETRYGAP_2048ns = 0x00003000,
694 RXCS_RETRYGAP_4096ns = 0x00004000,
695 RXCS_RETRYGAP_8192ns = 0x00005000,
696 RXCS_RETRYGAP_16384ns = 0x00006000,
697 RXCS_RETRYGAP_32768ns = 0x00007000,
698
699 RXCS_RETRYCNT_0 = 0x00000000,
700 RXCS_RETRYCNT_4 = 0x00000100,
701 RXCS_RETRYCNT_8 = 0x00000200,
702 RXCS_RETRYCNT_12 = 0x00000300,
703 RXCS_RETRYCNT_16 = 0x00000400,
704 RXCS_RETRYCNT_20 = 0x00000500,
705 RXCS_RETRYCNT_24 = 0x00000600,
706 RXCS_RETRYCNT_28 = 0x00000700,
707 RXCS_RETRYCNT_32 = 0x00000800,
708 RXCS_RETRYCNT_36 = 0x00000900,
709 RXCS_RETRYCNT_40 = 0x00000A00,
710 RXCS_RETRYCNT_44 = 0x00000B00,
711 RXCS_RETRYCNT_48 = 0x00000C00,
712 RXCS_RETRYCNT_52 = 0x00000D00,
713 RXCS_RETRYCNT_56 = 0x00000E00,
714 RXCS_RETRYCNT_60 = 0x00000F00,
715
716 RXCS_DEFAULT = RXCS_FIFOTHTP_128T |
717 RXCS_FIFOTHNP_16QW |
718 RXCS_DMAREQSZ_128B |
719 RXCS_RETRYGAP_256ns |
720 RXCS_RETRYCNT_32,
721};
722
723#define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
724
725/*
726 * RX MAC Control/Status Bits
727 */
728enum jme_rxmcs_bits {
729 RXMCS_ALLFRAME = 0x00000800,
730 RXMCS_BRDFRAME = 0x00000400,
731 RXMCS_MULFRAME = 0x00000200,
732 RXMCS_UNIFRAME = 0x00000100,
733 RXMCS_ALLMULFRAME = 0x00000080,
734 RXMCS_MULFILTERED = 0x00000040,
735 RXMCS_RXCOLLDEC = 0x00000020,
736 RXMCS_FLOWCTRL = 0x00000008,
737 RXMCS_VTAGRM = 0x00000004,
738 RXMCS_PREPAD = 0x00000002,
739 RXMCS_CHECKSUM = 0x00000001,
740
741 RXMCS_DEFAULT = RXMCS_VTAGRM |
742 RXMCS_PREPAD |
743 RXMCS_FLOWCTRL |
744 RXMCS_CHECKSUM,
745};
746
747/* Extern PHY common register 2 */
748
749#define PHY_GAD_TEST_MODE_1 0x00002000
750#define PHY_GAD_TEST_MODE_MSK 0x0000E000
751#define JM_PHY_SPEC_REG_READ 0x00004000
752#define JM_PHY_SPEC_REG_WRITE 0x00008000
753#define PHY_CALIBRATION_DELAY 20
754#define JM_PHY_SPEC_ADDR_REG 0x1E
755#define JM_PHY_SPEC_DATA_REG 0x1F
756
757#define JM_PHY_EXT_COMM_0_REG 0x30
758#define JM_PHY_EXT_COMM_1_REG 0x31
759#define JM_PHY_EXT_COMM_2_REG 0x32
760#define JM_PHY_EXT_COMM_2_CALI_ENABLE 0x01
761#define JM_PHY_EXT_COMM_2_CALI_MODE_0 0x02
762#define JM_PHY_EXT_COMM_2_CALI_LATCH 0x10
763#define PCI_PRIV_SHARE_NICCTRL 0xF5
764#define JME_FLAG_PHYEA_ENABLE 0x2
765
766/*
767 * Wakeup Frame setup interface registers
768 */
769#define WAKEUP_FRAME_NR 8
770#define WAKEUP_FRAME_MASK_DWNR 4
771
772enum jme_wfoi_bit_masks {
773 WFOI_MASK_SEL = 0x00000070,
774 WFOI_CRC_SEL = 0x00000008,
775 WFOI_FRAME_SEL = 0x00000007,
776};
777
778enum jme_wfoi_shifts {
779 WFOI_MASK_SHIFT = 4,
780};
781
782/*
783 * SMI Related definitions
784 */
785enum jme_smi_bit_mask {
786 SMI_DATA_MASK = 0xFFFF0000,
787 SMI_REG_ADDR_MASK = 0x0000F800,
788 SMI_PHY_ADDR_MASK = 0x000007C0,
789 SMI_OP_WRITE = 0x00000020,
790 /* Set to 1, after req done it'll be cleared to 0 */
791 SMI_OP_REQ = 0x00000010,
792 SMI_OP_MDIO = 0x00000008, /* Software assess In/Out */
793 SMI_OP_MDOE = 0x00000004, /* Software Output Enable */
794 SMI_OP_MDC = 0x00000002, /* Software CLK Control */
795 SMI_OP_MDEN = 0x00000001, /* Software access Enable */
796};
797
798enum jme_smi_bit_shift {
799 SMI_DATA_SHIFT = 16,
800 SMI_REG_ADDR_SHIFT = 11,
801 SMI_PHY_ADDR_SHIFT = 6,
802};
803
804static inline u32 smi_reg_addr(int x)
805{
806 return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
807}
808
809static inline u32 smi_phy_addr(int x)
810{
811 return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK;
812}
813
814#define JME_PHY_TIMEOUT 100 /* 100 msec */
815#define JME_PHY_REG_NR 32
816
817/*
818 * Global Host Control
819 */
820enum jme_ghc_bit_mask {
821 GHC_SWRST = 0x40000000,
822 GHC_TO_CLK_SRC = 0x00C00000,
823 GHC_TXMAC_CLK_SRC = 0x00300000,
824 GHC_DPX = 0x00000040,
825 GHC_SPEED = 0x00000030,
826 GHC_LINK_POLL = 0x00000001,
827};
828
829enum jme_ghc_speed_val {
830 GHC_SPEED_10M = 0x00000010,
831 GHC_SPEED_100M = 0x00000020,
832 GHC_SPEED_1000M = 0x00000030,
833};
834
835enum jme_ghc_to_clk {
836 GHC_TO_CLK_OFF = 0x00000000,
837 GHC_TO_CLK_GPHY = 0x00400000,
838 GHC_TO_CLK_PCIE = 0x00800000,
839 GHC_TO_CLK_INVALID = 0x00C00000,
840};
841
842enum jme_ghc_txmac_clk {
843 GHC_TXMAC_CLK_OFF = 0x00000000,
844 GHC_TXMAC_CLK_GPHY = 0x00100000,
845 GHC_TXMAC_CLK_PCIE = 0x00200000,
846 GHC_TXMAC_CLK_INVALID = 0x00300000,
847};
848
849/*
850 * Power management control and status register
851 */
852enum jme_pmcs_bit_masks {
853 PMCS_STMASK = 0xFFFF0000,
854 PMCS_WF7DET = 0x80000000,
855 PMCS_WF6DET = 0x40000000,
856 PMCS_WF5DET = 0x20000000,
857 PMCS_WF4DET = 0x10000000,
858 PMCS_WF3DET = 0x08000000,
859 PMCS_WF2DET = 0x04000000,
860 PMCS_WF1DET = 0x02000000,
861 PMCS_WF0DET = 0x01000000,
862 PMCS_LFDET = 0x00040000,
863 PMCS_LRDET = 0x00020000,
864 PMCS_MFDET = 0x00010000,
865 PMCS_ENMASK = 0x0000FFFF,
866 PMCS_WF7EN = 0x00008000,
867 PMCS_WF6EN = 0x00004000,
868 PMCS_WF5EN = 0x00002000,
869 PMCS_WF4EN = 0x00001000,
870 PMCS_WF3EN = 0x00000800,
871 PMCS_WF2EN = 0x00000400,
872 PMCS_WF1EN = 0x00000200,
873 PMCS_WF0EN = 0x00000100,
874 PMCS_LFEN = 0x00000004,
875 PMCS_LREN = 0x00000002,
876 PMCS_MFEN = 0x00000001,
877};
878
879/*
880 * New PHY Power Control Register
881 */
882enum jme_phy_pwr_bit_masks {
883 PHY_PWR_DWN1SEL = 0x01000000, /* Phy_giga.p_PWR_DOWN1_SEL */
884 PHY_PWR_DWN1SW = 0x02000000, /* Phy_giga.p_PWR_DOWN1_SW */
885 PHY_PWR_DWN2 = 0x04000000, /* Phy_giga.p_PWR_DOWN2 */
886 PHY_PWR_CLKSEL = 0x08000000, /*
887 * XTL_OUT Clock select
888 * (an internal free-running clock)
889 * 0: xtl_out = phy_giga.A_XTL25_O
890 * 1: xtl_out = phy_giga.PD_OSC
891 */
892};
893
894/*
895 * Giga PHY Status Registers
896 */
897enum jme_phy_link_bit_mask {
898 PHY_LINK_SPEED_MASK = 0x0000C000,
899 PHY_LINK_DUPLEX = 0x00002000,
900 PHY_LINK_SPEEDDPU_RESOLVED = 0x00000800,
901 PHY_LINK_UP = 0x00000400,
902 PHY_LINK_AUTONEG_COMPLETE = 0x00000200,
903 PHY_LINK_MDI_STAT = 0x00000040,
904};
905
906enum jme_phy_link_speed_val {
907 PHY_LINK_SPEED_10M = 0x00000000,
908 PHY_LINK_SPEED_100M = 0x00004000,
909 PHY_LINK_SPEED_1000M = 0x00008000,
910};
911
912#define JME_SPDRSV_TIMEOUT 500 /* 500 us */
913
914/*
915 * SMB Control and Status
916 */
917enum jme_smbcsr_bit_mask {
918 SMBCSR_CNACK = 0x00020000,
919 SMBCSR_RELOAD = 0x00010000,
920 SMBCSR_EEPROMD = 0x00000020,
921 SMBCSR_INITDONE = 0x00000010,
922 SMBCSR_BUSY = 0x0000000F,
923};
924
925enum jme_smbintf_bit_mask {
926 SMBINTF_HWDATR = 0xFF000000,
927 SMBINTF_HWDATW = 0x00FF0000,
928 SMBINTF_HWADDR = 0x0000FF00,
929 SMBINTF_HWRWN = 0x00000020,
930 SMBINTF_HWCMD = 0x00000010,
931 SMBINTF_FASTM = 0x00000008,
932 SMBINTF_GPIOSCL = 0x00000004,
933 SMBINTF_GPIOSDA = 0x00000002,
934 SMBINTF_GPIOEN = 0x00000001,
935};
936
937enum jme_smbintf_vals {
938 SMBINTF_HWRWN_READ = 0x00000020,
939 SMBINTF_HWRWN_WRITE = 0x00000000,
940};
941
942enum jme_smbintf_shifts {
943 SMBINTF_HWDATR_SHIFT = 24,
944 SMBINTF_HWDATW_SHIFT = 16,
945 SMBINTF_HWADDR_SHIFT = 8,
946};
947
948#define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
949#define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
950#define JME_SMB_LEN 256
951#define JME_EEPROM_MAGIC 0x250
952
953/*
954 * Timer Control/Status Register
955 */
956enum jme_tmcsr_bit_masks {
957 TMCSR_SWIT = 0x80000000,
958 TMCSR_EN = 0x01000000,
959 TMCSR_CNT = 0x00FFFFFF,
960};
961
962/*
963 * General Purpose REG-0
964 */
965enum jme_gpreg0_masks {
966 GPREG0_DISSH = 0xFF000000,
967 GPREG0_PCIRLMT = 0x00300000,
968 GPREG0_PCCNOMUTCLR = 0x00040000,
969 GPREG0_LNKINTPOLL = 0x00001000,
970 GPREG0_PCCTMR = 0x00000300,
971 GPREG0_PHYADDR = 0x0000001F,
972};
973
974enum jme_gpreg0_vals {
975 GPREG0_DISSH_DW7 = 0x80000000,
976 GPREG0_DISSH_DW6 = 0x40000000,
977 GPREG0_DISSH_DW5 = 0x20000000,
978 GPREG0_DISSH_DW4 = 0x10000000,
979 GPREG0_DISSH_DW3 = 0x08000000,
980 GPREG0_DISSH_DW2 = 0x04000000,
981 GPREG0_DISSH_DW1 = 0x02000000,
982 GPREG0_DISSH_DW0 = 0x01000000,
983 GPREG0_DISSH_ALL = 0xFF000000,
984
985 GPREG0_PCIRLMT_8 = 0x00000000,
986 GPREG0_PCIRLMT_6 = 0x00100000,
987 GPREG0_PCIRLMT_5 = 0x00200000,
988 GPREG0_PCIRLMT_4 = 0x00300000,
989
990 GPREG0_PCCTMR_16ns = 0x00000000,
991 GPREG0_PCCTMR_256ns = 0x00000100,
992 GPREG0_PCCTMR_1us = 0x00000200,
993 GPREG0_PCCTMR_1ms = 0x00000300,
994
995 GPREG0_PHYADDR_1 = 0x00000001,
996
997 GPREG0_DEFAULT = GPREG0_PCIRLMT_4 |
998 GPREG0_PCCTMR_1us |
999 GPREG0_PHYADDR_1,
1000};
1001
1002/*
1003 * General Purpose REG-1
1004 */
1005enum jme_gpreg1_bit_masks {
1006 GPREG1_RXCLKOFF = 0x04000000,
1007 GPREG1_PCREQN = 0x00020000,
1008 GPREG1_HALFMODEPATCH = 0x00000040, /* For Chip revision 0x11 only */
1009 GPREG1_RSSPATCH = 0x00000020, /* For Chip revision 0x11 only */
1010 GPREG1_INTRDELAYUNIT = 0x00000018,
1011 GPREG1_INTRDELAYENABLE = 0x00000007,
1012};
1013
1014enum jme_gpreg1_vals {
1015 GPREG1_INTDLYUNIT_16NS = 0x00000000,
1016 GPREG1_INTDLYUNIT_256NS = 0x00000008,
1017 GPREG1_INTDLYUNIT_1US = 0x00000010,
1018 GPREG1_INTDLYUNIT_16US = 0x00000018,
1019
1020 GPREG1_INTDLYEN_1U = 0x00000001,
1021 GPREG1_INTDLYEN_2U = 0x00000002,
1022 GPREG1_INTDLYEN_3U = 0x00000003,
1023 GPREG1_INTDLYEN_4U = 0x00000004,
1024 GPREG1_INTDLYEN_5U = 0x00000005,
1025 GPREG1_INTDLYEN_6U = 0x00000006,
1026 GPREG1_INTDLYEN_7U = 0x00000007,
1027
1028 GPREG1_DEFAULT = GPREG1_PCREQN,
1029};
1030
1031/*
1032 * Interrupt Status Bits
1033 */
1034enum jme_interrupt_bits {
1035 INTR_SWINTR = 0x80000000,
1036 INTR_TMINTR = 0x40000000,
1037 INTR_LINKCH = 0x20000000,
1038 INTR_PAUSERCV = 0x10000000,
1039 INTR_MAGICRCV = 0x08000000,
1040 INTR_WAKERCV = 0x04000000,
1041 INTR_PCCRX0TO = 0x02000000,
1042 INTR_PCCRX1TO = 0x01000000,
1043 INTR_PCCRX2TO = 0x00800000,
1044 INTR_PCCRX3TO = 0x00400000,
1045 INTR_PCCTXTO = 0x00200000,
1046 INTR_PCCRX0 = 0x00100000,
1047 INTR_PCCRX1 = 0x00080000,
1048 INTR_PCCRX2 = 0x00040000,
1049 INTR_PCCRX3 = 0x00020000,
1050 INTR_PCCTX = 0x00010000,
1051 INTR_RX3EMP = 0x00008000,
1052 INTR_RX2EMP = 0x00004000,
1053 INTR_RX1EMP = 0x00002000,
1054 INTR_RX0EMP = 0x00001000,
1055 INTR_RX3 = 0x00000800,
1056 INTR_RX2 = 0x00000400,
1057 INTR_RX1 = 0x00000200,
1058 INTR_RX0 = 0x00000100,
1059 INTR_TX7 = 0x00000080,
1060 INTR_TX6 = 0x00000040,
1061 INTR_TX5 = 0x00000020,
1062 INTR_TX4 = 0x00000010,
1063 INTR_TX3 = 0x00000008,
1064 INTR_TX2 = 0x00000004,
1065 INTR_TX1 = 0x00000002,
1066 INTR_TX0 = 0x00000001,
1067};
1068
1069static const u32 INTR_ENABLE = INTR_SWINTR |
1070 INTR_TMINTR |
1071 INTR_LINKCH |
1072 INTR_PCCRX0TO |
1073 INTR_PCCRX0 |
1074 INTR_PCCTXTO |
1075 INTR_PCCTX |
1076 INTR_RX0EMP;
1077
1078/*
1079 * PCC Control Registers
1080 */
1081enum jme_pccrx_masks {
1082 PCCRXTO_MASK = 0xFFFF0000,
1083 PCCRX_MASK = 0x0000FF00,
1084};
1085
1086enum jme_pcctx_masks {
1087 PCCTXTO_MASK = 0xFFFF0000,
1088 PCCTX_MASK = 0x0000FF00,
1089 PCCTX_QS_MASK = 0x000000FF,
1090};
1091
1092enum jme_pccrx_shifts {
1093 PCCRXTO_SHIFT = 16,
1094 PCCRX_SHIFT = 8,
1095};
1096
1097enum jme_pcctx_shifts {
1098 PCCTXTO_SHIFT = 16,
1099 PCCTX_SHIFT = 8,
1100};
1101
1102enum jme_pcctx_bits {
1103 PCCTXQ0_EN = 0x00000001,
1104 PCCTXQ1_EN = 0x00000002,
1105 PCCTXQ2_EN = 0x00000004,
1106 PCCTXQ3_EN = 0x00000008,
1107 PCCTXQ4_EN = 0x00000010,
1108 PCCTXQ5_EN = 0x00000020,
1109 PCCTXQ6_EN = 0x00000040,
1110 PCCTXQ7_EN = 0x00000080,
1111};
1112
1113/*
1114 * Chip Mode Register
1115 */
1116enum jme_chipmode_bit_masks {
1117 CM_FPGAVER_MASK = 0xFFFF0000,
1118 CM_CHIPREV_MASK = 0x0000FF00,
1119 CM_CHIPMODE_MASK = 0x0000000F,
1120};
1121
1122enum jme_chipmode_shifts {
1123 CM_FPGAVER_SHIFT = 16,
1124 CM_CHIPREV_SHIFT = 8,
1125};
1126
1127/*
1128 * Aggressive Power Mode Control
1129 */
1130enum jme_apmc_bits {
1131 JME_APMC_PCIE_SD_EN = 0x40000000,
1132 JME_APMC_PSEUDO_HP_EN = 0x20000000,
1133 JME_APMC_EPIEN = 0x04000000,
1134 JME_APMC_EPIEN_CTRL = 0x03000000,
1135};
1136
1137enum jme_apmc_values {
1138 JME_APMC_EPIEN_CTRL_EN = 0x02000000,
1139 JME_APMC_EPIEN_CTRL_DIS = 0x01000000,
1140};
1141
1142#define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000)
1143
1144#ifdef REG_DEBUG
1145static char *MAC_REG_NAME[] = {
1146 "JME_TXCS", "JME_TXDBA_LO", "JME_TXDBA_HI", "JME_TXQDC",
1147 "JME_TXNDA", "JME_TXMCS", "JME_TXPFC", "JME_TXTRHD",
1148 "JME_RXCS", "JME_RXDBA_LO", "JME_RXDBA_HI", "JME_RXQDC",
1149 "JME_RXNDA", "JME_RXMCS", "JME_RXUMA_LO", "JME_RXUMA_HI",
1150 "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP", "JME_WFOI",
1151 "JME_SMI", "JME_GHC", "UNKNOWN", "UNKNOWN",
1152 "JME_PMCS"};
1153
1154static char *PE_REG_NAME[] = {
1155 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1156 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1157 "UNKNOWN", "UNKNOWN", "JME_PHY_CS", "UNKNOWN",
1158 "JME_PHY_LINK", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1159 "JME_SMBCSR", "JME_SMBINTF"};
1160
1161static char *MISC_REG_NAME[] = {
1162 "JME_TMCSR", "JME_GPIO", "JME_GPREG0", "JME_GPREG1",
1163 "JME_IEVE", "JME_IREQ", "JME_IENS", "JME_IENC",
1164 "JME_PCCRX0", "JME_PCCRX1", "JME_PCCRX2", "JME_PCCRX3",
1165 "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO",
1166 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1167 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1168 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1169 "JME_TIMER1", "JME_TIMER2", "UNKNOWN", "JME_APMC",
1170 "JME_PCCSRX0"};
1171
1172static inline void reg_dbg(const struct jme_adapter *jme,
1173 const char *msg, u32 val, u32 reg)
1174{
1175 const char *regname;
1176 switch (reg & 0xF00) {
1177 case 0x000:
1178 regname = MAC_REG_NAME[(reg & 0xFF) >> 2];
1179 break;
1180 case 0x400:
1181 regname = PE_REG_NAME[(reg & 0xFF) >> 2];
1182 break;
1183 case 0x800:
1184 regname = MISC_REG_NAME[(reg & 0xFF) >> 2];
1185 break;
1186 default:
1187 regname = PE_REG_NAME[0];
1188 }
1189 printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name,
1190 msg, val, regname);
1191}
1192#else
1193static inline void reg_dbg(const struct jme_adapter *jme,
1194 const char *msg, u32 val, u32 reg) {}
1195#endif
1196
1197/*
1198 * Read/Write MMaped I/O Registers
1199 */
1200static inline u32 jread32(struct jme_adapter *jme, u32 reg)
1201{
1202 return readl(addr: jme->regs + reg);
1203}
1204
1205static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val)
1206{
1207 reg_dbg(jme, msg: "REG WRITE", val, reg);
1208 writel(val, addr: jme->regs + reg);
1209 reg_dbg(jme, msg: "VAL AFTER WRITE", readl(addr: jme->regs + reg), reg);
1210}
1211
1212static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val)
1213{
1214 /*
1215 * Read after write should cause flush
1216 */
1217 reg_dbg(jme, msg: "REG WRITE FLUSH", val, reg);
1218 writel(val, addr: jme->regs + reg);
1219 readl(addr: jme->regs + reg);
1220 reg_dbg(jme, msg: "VAL AFTER WRITE", readl(addr: jme->regs + reg), reg);
1221}
1222
1223/*
1224 * PHY Regs
1225 */
1226enum jme_phy_reg17_bit_masks {
1227 PREG17_SPEED = 0xC000,
1228 PREG17_DUPLEX = 0x2000,
1229 PREG17_SPDRSV = 0x0800,
1230 PREG17_LNKUP = 0x0400,
1231 PREG17_MDI = 0x0040,
1232};
1233
1234enum jme_phy_reg17_vals {
1235 PREG17_SPEED_10M = 0x0000,
1236 PREG17_SPEED_100M = 0x4000,
1237 PREG17_SPEED_1000M = 0x8000,
1238};
1239
1240#define BMSR_ANCOMP 0x0020
1241
1242/*
1243 * Workaround
1244 */
1245static inline int is_buggy250(unsigned short device, u8 chiprev)
1246{
1247 return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
1248}
1249
1250static inline int new_phy_power_ctrl(u8 chip_main_rev)
1251{
1252 return chip_main_rev >= 5;
1253}
1254
1255/*
1256 * Function prototypes
1257 */
1258static int jme_set_link_ksettings(struct net_device *netdev,
1259 const struct ethtool_link_ksettings *cmd);
1260static void jme_set_unicastaddr(struct net_device *netdev);
1261static void jme_set_multi(struct net_device *netdev);
1262
1263#endif
1264

source code of linux/drivers/net/ethernet/jme.h