Merge tag 'ti-k3-dt-fixes-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel...
[platform/kernel/linux-starfive.git] / drivers / net / ethernet / jme.h
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 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  */
399 struct 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
448 enum 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
459 static inline struct jme_adapter*
460 jme_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  */
470 enum jme_iomap_offsets {
471         JME_MAC         = 0x0000,
472         JME_PHY         = 0x0400,
473         JME_MISC        = 0x0800,
474         JME_RSS         = 0x0C00,
475 };
476
477 enum 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
484 enum 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  */
540 enum 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
555 enum 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  */
584 enum 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
598 enum 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
622 enum jme_txpfc_bits_masks {
623         TXPFC_VLAN_TAG          = 0xFFFF0000,
624         TXPFC_VLAN_EN           = 0x00008000,
625         TXPFC_PF_EN             = 0x00000001,
626 };
627
628 enum jme_txtrhd_bits_masks {
629         TXTRHD_TXPEN            = 0x80000000,
630         TXTRHD_TXP              = 0x7FFFFF00,
631         TXTRHD_TXREN            = 0x00000080,
632         TXTRHD_TXRL             = 0x0000007F,
633 };
634
635 enum jme_txtrhd_shifts {
636         TXTRHD_TXP_SHIFT        = 8,
637         TXTRHD_TXRL_SHIFT       = 0,
638 };
639
640 enum 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  */
651 enum 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
669 enum 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  */
728 enum 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
772 enum jme_wfoi_bit_masks {
773         WFOI_MASK_SEL           = 0x00000070,
774         WFOI_CRC_SEL            = 0x00000008,
775         WFOI_FRAME_SEL          = 0x00000007,
776 };
777
778 enum jme_wfoi_shifts {
779         WFOI_MASK_SHIFT         = 4,
780 };
781
782 /*
783  * SMI Related definitions
784  */
785 enum 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
798 enum jme_smi_bit_shift {
799         SMI_DATA_SHIFT          = 16,
800         SMI_REG_ADDR_SHIFT      = 11,
801         SMI_PHY_ADDR_SHIFT      = 6,
802 };
803
804 static inline u32 smi_reg_addr(int x)
805 {
806         return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
807 }
808
809 static 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  */
820 enum 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
829 enum jme_ghc_speed_val {
830         GHC_SPEED_10M           = 0x00000010,
831         GHC_SPEED_100M          = 0x00000020,
832         GHC_SPEED_1000M         = 0x00000030,
833 };
834
835 enum 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
842 enum 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  */
852 enum 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  */
882 enum 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  */
897 enum 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
906 enum 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  */
917 enum 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
925 enum 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
937 enum jme_smbintf_vals {
938         SMBINTF_HWRWN_READ      = 0x00000020,
939         SMBINTF_HWRWN_WRITE     = 0x00000000,
940 };
941
942 enum 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  */
956 enum 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  */
965 enum 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
974 enum 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  */
1005 enum 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
1014 enum 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  */
1034 enum 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
1069 static 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  */
1081 enum jme_pccrx_masks {
1082         PCCRXTO_MASK    = 0xFFFF0000,
1083         PCCRX_MASK      = 0x0000FF00,
1084 };
1085
1086 enum jme_pcctx_masks {
1087         PCCTXTO_MASK    = 0xFFFF0000,
1088         PCCTX_MASK      = 0x0000FF00,
1089         PCCTX_QS_MASK   = 0x000000FF,
1090 };
1091
1092 enum jme_pccrx_shifts {
1093         PCCRXTO_SHIFT   = 16,
1094         PCCRX_SHIFT     = 8,
1095 };
1096
1097 enum jme_pcctx_shifts {
1098         PCCTXTO_SHIFT   = 16,
1099         PCCTX_SHIFT     = 8,
1100 };
1101
1102 enum 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  */
1116 enum jme_chipmode_bit_masks {
1117         CM_FPGAVER_MASK         = 0xFFFF0000,
1118         CM_CHIPREV_MASK         = 0x0000FF00,
1119         CM_CHIPMODE_MASK        = 0x0000000F,
1120 };
1121
1122 enum jme_chipmode_shifts {
1123         CM_FPGAVER_SHIFT        = 16,
1124         CM_CHIPREV_SHIFT        = 8,
1125 };
1126
1127 /*
1128  * Aggressive Power Mode Control
1129  */
1130 enum 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
1137 enum 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
1145 static 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
1154 static 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
1161 static 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
1172 static 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
1193 static 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  */
1200 static inline u32 jread32(struct jme_adapter *jme, u32 reg)
1201 {
1202         return readl(jme->regs + reg);
1203 }
1204
1205 static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val)
1206 {
1207         reg_dbg(jme, "REG WRITE", val, reg);
1208         writel(val, jme->regs + reg);
1209         reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1210 }
1211
1212 static 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, "REG WRITE FLUSH", val, reg);
1218         writel(val, jme->regs + reg);
1219         readl(jme->regs + reg);
1220         reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1221 }
1222
1223 /*
1224  * PHY Regs
1225  */
1226 enum 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
1234 enum 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  */
1245 static inline int is_buggy250(unsigned short device, u8 chiprev)
1246 {
1247         return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
1248 }
1249
1250 static inline int new_phy_power_ctrl(u8 chip_main_rev)
1251 {
1252         return chip_main_rev >= 5;
1253 }
1254
1255 /*
1256  * Function prototypes
1257  */
1258 static int jme_set_link_ksettings(struct net_device *netdev,
1259                                   const struct ethtool_link_ksettings *cmd);
1260 static void jme_set_unicastaddr(struct net_device *netdev);
1261 static void jme_set_multi(struct net_device *netdev);
1262
1263 #endif