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1/*
2 * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
3 *
4 * Copyright 2008 JMicron Technology Corporation
5 * http://www.jmicron.com/
6 *
7 * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 *
22 */
23
24#ifndef __JME_H_INCLUDED__
25#define __JME_H_INCLUDED__
26
27#define DRV_NAME "jme"
28#define DRV_VERSION "1.0.6-jmmod"
29#define PFX DRV_NAME ": "
30
31#define PCI_DEVICE_ID_JMICRON_JMC250 0x0250
32#define PCI_DEVICE_ID_JMICRON_JMC260 0x0260
33
34/*
35 * Message related definitions
36 */
37#define JME_DEF_MSG_ENABLE \
38 (NETIF_MSG_PROBE | \
39 NETIF_MSG_LINK | \
40 NETIF_MSG_RX_ERR | \
41 NETIF_MSG_TX_ERR | \
42 NETIF_MSG_HW)
43
44#define jeprintk(pdev, fmt, args...) \
45 printk(KERN_ERR PFX fmt, ## args)
46
47#ifdef TX_DEBUG
48#define tx_dbg(priv, fmt, args...) \
49 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args)
50#else
51#define tx_dbg(priv, fmt, args...) \
52do { \
53 if (0) \
54 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args); \
55} while (0)
56#endif
57
58#include <linux/version.h>
59#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,33)
60#define jme_msg(msglvl, type, priv, fmt, args...) \
61 if (netif_msg_##type(priv)) \
62 printk(msglvl "%s: " fmt, (priv)->dev->name, ## args)
63
64#define msg_probe(priv, fmt, args...) \
65 jme_msg(KERN_INFO, probe, priv, fmt, ## args)
66
67#define msg_link(priv, fmt, args...) \
68 jme_msg(KERN_INFO, link, priv, fmt, ## args)
69
70#define msg_intr(priv, fmt, args...) \
71 jme_msg(KERN_INFO, intr, priv, fmt, ## args)
72
73#define msg_rx_err(priv, fmt, args...) \
74 jme_msg(KERN_ERR, rx_err, priv, fmt, ## args)
75
76#define msg_rx_status(priv, fmt, args...) \
77 jme_msg(KERN_INFO, rx_status, priv, fmt, ## args)
78
79#define msg_tx_err(priv, fmt, args...) \
80 jme_msg(KERN_ERR, tx_err, priv, fmt, ## args)
81
82#define msg_tx_done(priv, fmt, args...) \
83 jme_msg(KERN_INFO, tx_done, priv, fmt, ## args)
84
85#define msg_tx_queued(priv, fmt, args...) \
86 jme_msg(KERN_INFO, tx_queued, priv, fmt, ## args)
87
88#define msg_hw(priv, fmt, args...) \
89 jme_msg(KERN_ERR, hw, priv, fmt, ## args)
90#endif
91
92/*
93 * Extra PCI Configuration space interface
94 */
95#define PCI_DCSR_MRRS 0x59
96#define PCI_DCSR_MRRS_MASK 0x70
97
98enum pci_dcsr_mrrs_vals {
99 MRRS_128B = 0x00,
100 MRRS_256B = 0x10,
101 MRRS_512B = 0x20,
102 MRRS_1024B = 0x30,
103 MRRS_2048B = 0x40,
104 MRRS_4096B = 0x50,
105};
106
107#define PCI_SPI 0xB0
108
109enum pci_spi_bits {
110 SPI_EN = 0x10,
111 SPI_MISO = 0x08,
112 SPI_MOSI = 0x04,
113 SPI_SCLK = 0x02,
114 SPI_CS = 0x01,
115};
116
117struct jme_spi_op {
118 void __user *uwbuf;
119 void __user *urbuf;
120 __u8 wn; /* Number of write actions */
121 __u8 rn; /* Number of read actions */
122 __u8 bitn; /* Number of bits per action */
123 __u8 spd; /* The maxim acceptable speed of controller, in MHz.*/
124 __u8 mode; /* CPOL, CPHA, and Duplex mode of SPI */
125
126 /* Internal use only */
127 u8 *kwbuf;
128 u8 *krbuf;
129 u8 sr;
130 u16 halfclk; /* Half of clock cycle calculated from spd, in ns */
131};
132
133enum jme_spi_op_bits {
134 SPI_MODE_CPHA = 0x01,
135 SPI_MODE_CPOL = 0x02,
136 SPI_MODE_DUP = 0x80,
137};
138
139#define HALF_US 500 /* 500 ns */
140#define JMESPIIOCTL SIOCDEVPRIVATE
141
142/*
143 * Dynamic(adaptive)/Static PCC values
144 */
145enum dynamic_pcc_values {
146 PCC_OFF = 0,
147 PCC_P1 = 1,
148 PCC_P2 = 2,
149 PCC_P3 = 3,
150
151 PCC_OFF_TO = 0,
152 PCC_P1_TO = 1,
153 PCC_P2_TO = 64,
154 PCC_P3_TO = 128,
155
156 PCC_OFF_CNT = 0,
157 PCC_P1_CNT = 1,
158 PCC_P2_CNT = 16,
159 PCC_P3_CNT = 32,
160};
161struct dynpcc_info {
162 unsigned long last_bytes;
163 unsigned long last_pkts;
164 unsigned long intr_cnt;
165 unsigned char cur;
166 unsigned char attempt;
167 unsigned char cnt;
168};
169#define PCC_INTERVAL_US 100000
170#define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US))
171#define PCC_P3_THRESHOLD (2 * 1024 * 1024)
172#define PCC_P2_THRESHOLD 800
173#define PCC_INTR_THRESHOLD 800
174#define PCC_TX_TO 1000
175#define PCC_TX_CNT 8
176
177/*
178 * TX/RX Descriptors
179 *
180 * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
181 */
182#define RING_DESC_ALIGN 16 /* Descriptor alignment */
183#define TX_DESC_SIZE 16
184#define TX_RING_NR 8
185#define TX_RING_ALLOC_SIZE(s) ((s * TX_DESC_SIZE) + RING_DESC_ALIGN)
186
187struct txdesc {
188 union {
189 __u8 all[16];
190 __le32 dw[4];
191 struct {
192 /* DW0 */
193 __le16 vlan;
194 __u8 rsv1;
195 __u8 flags;
196
197 /* DW1 */
198 __le16 datalen;
199 __le16 mss;
200
201 /* DW2 */
202 __le16 pktsize;
203 __le16 rsv2;
204
205 /* DW3 */
206 __le32 bufaddr;
207 } desc1;
208 struct {
209 /* DW0 */
210 __le16 rsv1;
211 __u8 rsv2;
212 __u8 flags;
213
214 /* DW1 */
215 __le16 datalen;
216 __le16 rsv3;
217
218 /* DW2 */
219 __le32 bufaddrh;
220
221 /* DW3 */
222 __le32 bufaddrl;
223 } desc2;
224 struct {
225 /* DW0 */
226 __u8 ehdrsz;
227 __u8 rsv1;
228 __u8 rsv2;
229 __u8 flags;
230
231 /* DW1 */
232 __le16 trycnt;
233 __le16 segcnt;
234
235 /* DW2 */
236 __le16 pktsz;
237 __le16 rsv3;
238
239 /* DW3 */
240 __le32 bufaddrl;
241 } descwb;
242 };
243};
244
245enum jme_txdesc_flags_bits {
246 TXFLAG_OWN = 0x80,
247 TXFLAG_INT = 0x40,
248 TXFLAG_64BIT = 0x20,
249 TXFLAG_TCPCS = 0x10,
250 TXFLAG_UDPCS = 0x08,
251 TXFLAG_IPCS = 0x04,
252 TXFLAG_LSEN = 0x02,
253 TXFLAG_TAGON = 0x01,
254};
255
256#define TXDESC_MSS_SHIFT 2
257enum jme_txwbdesc_flags_bits {
258 TXWBFLAG_OWN = 0x80,
259 TXWBFLAG_INT = 0x40,
260 TXWBFLAG_TMOUT = 0x20,
261 TXWBFLAG_TRYOUT = 0x10,
262 TXWBFLAG_COL = 0x08,
263
264 TXWBFLAG_ALLERR = TXWBFLAG_TMOUT |
265 TXWBFLAG_TRYOUT |
266 TXWBFLAG_COL,
267};
268
269#define RX_DESC_SIZE 16
270#define RX_RING_NR 4
271#define RX_RING_ALLOC_SIZE(s) ((s * RX_DESC_SIZE) + RING_DESC_ALIGN)
272#define RX_BUF_DMA_ALIGN 8
273#define RX_PREPAD_SIZE 10
274#define ETH_CRC_LEN 2
275#define RX_VLANHDR_LEN 2
276#define RX_EXTRA_LEN (RX_PREPAD_SIZE + \
277 ETH_HLEN + \
278 ETH_CRC_LEN + \
279 RX_VLANHDR_LEN + \
280 RX_BUF_DMA_ALIGN)
281
282struct rxdesc {
283 union {
284 __u8 all[16];
285 __le32 dw[4];
286 struct {
287 /* DW0 */
288 __le16 rsv2;
289 __u8 rsv1;
290 __u8 flags;
291
292 /* DW1 */
293 __le16 datalen;
294 __le16 wbcpl;
295
296 /* DW2 */
297 __le32 bufaddrh;
298
299 /* DW3 */
300 __le32 bufaddrl;
301 } desc1;
302 struct {
303 /* DW0 */
304 __le16 vlan;
305 __le16 flags;
306
307 /* DW1 */
308 __le16 framesize;
309 __u8 errstat;
310 __u8 desccnt;
311
312 /* DW2 */
313 __le32 rsshash;
314
315 /* DW3 */
316 __u8 hashfun;
317 __u8 hashtype;
318 __le16 resrv;
319 } descwb;
320 };
321};
322
323enum jme_rxdesc_flags_bits {
324 RXFLAG_OWN = 0x80,
325 RXFLAG_INT = 0x40,
326 RXFLAG_64BIT = 0x20,
327};
328
329enum jme_rxwbdesc_flags_bits {
330 RXWBFLAG_OWN = 0x8000,
331 RXWBFLAG_INT = 0x4000,
332 RXWBFLAG_MF = 0x2000,
333 RXWBFLAG_64BIT = 0x2000,
334 RXWBFLAG_TCPON = 0x1000,
335 RXWBFLAG_UDPON = 0x0800,
336 RXWBFLAG_IPCS = 0x0400,
337 RXWBFLAG_TCPCS = 0x0200,
338 RXWBFLAG_UDPCS = 0x0100,
339 RXWBFLAG_TAGON = 0x0080,
340 RXWBFLAG_IPV4 = 0x0040,
341 RXWBFLAG_IPV6 = 0x0020,
342 RXWBFLAG_PAUSE = 0x0010,
343 RXWBFLAG_MAGIC = 0x0008,
344 RXWBFLAG_WAKEUP = 0x0004,
345 RXWBFLAG_DEST = 0x0003,
346 RXWBFLAG_DEST_UNI = 0x0001,
347 RXWBFLAG_DEST_MUL = 0x0002,
348 RXWBFLAG_DEST_BRO = 0x0003,
349};
350
351enum jme_rxwbdesc_desccnt_mask {
352 RXWBDCNT_WBCPL = 0x80,
353 RXWBDCNT_DCNT = 0x7F,
354};
355
356enum jme_rxwbdesc_errstat_bits {
357 RXWBERR_LIMIT = 0x80,
358 RXWBERR_MIIER = 0x40,
359 RXWBERR_NIBON = 0x20,
360 RXWBERR_COLON = 0x10,
361 RXWBERR_ABORT = 0x08,
362 RXWBERR_SHORT = 0x04,
363 RXWBERR_OVERUN = 0x02,
364 RXWBERR_CRCERR = 0x01,
365 RXWBERR_ALLERR = 0xFF,
366};
367
368/*
369 * Buffer information corresponding to ring descriptors.
370 */
371struct jme_buffer_info {
372 struct sk_buff *skb;
373 dma_addr_t mapping;
374 int len;
375 int nr_desc;
376 unsigned long start_xmit;
377};
378
379/*
380 * The structure holding buffer information and ring descriptors all together.
381 */
382struct jme_ring {
383 void *alloc; /* pointer to allocated memory */
384 void *desc; /* pointer to ring memory */
385 dma_addr_t dmaalloc; /* phys address of ring alloc */
386 dma_addr_t dma; /* phys address for ring dma */
387
388 /* Buffer information corresponding to each descriptor */
389 struct jme_buffer_info *bufinf;
390
391 int next_to_use;
392 atomic_t next_to_clean;
393 atomic_t nr_free;
394};
395
396#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18)
397#define false 0
398#define true 0
399#define netdev_alloc_skb(dev, len) dev_alloc_skb(len)
400#define PCI_VENDOR_ID_JMICRON 0x197B
401#endif
402
403#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,19)
404#define PCI_VDEVICE(vendor, device) \
405 PCI_VENDOR_ID_##vendor, (device), \
406 PCI_ANY_ID, PCI_ANY_ID, 0, 0
407#endif
408
409#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
410#define NET_STAT(priv) priv->stats
411#define NETDEV_GET_STATS(netdev, fun_ptr) \
412 netdev->get_stats = fun_ptr
413#define DECLARE_NET_DEVICE_STATS struct net_device_stats stats;
414static inline struct iphdr *ip_hdr(const struct sk_buff *skb)
415{
416 return skb->nh.iph;
417}
418
419static inline struct ipv6hdr *ipv6_hdr(const struct sk_buff *skb)
420{
421 return skb->nh.ipv6h;
422}
423
424static inline struct tcphdr *tcp_hdr(const struct sk_buff *skb)
425{
426 return skb->h.th;
427}
428#else
429#define NET_STAT(priv) (priv->dev->stats)
430#define NETDEV_GET_STATS(netdev, fun_ptr)
431#define DECLARE_NET_DEVICE_STATS
432#endif
433
434#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
435#define DECLARE_NAPI_STRUCT
436#define NETIF_NAPI_SET(dev, napis, pollfn, q) \
437 dev->poll = pollfn; \
438 dev->weight = q;
439#define JME_NAPI_HOLDER(holder) struct net_device *holder
440#define JME_NAPI_WEIGHT(w) int *w
441#define JME_NAPI_WEIGHT_VAL(w) *w
442#define JME_NAPI_WEIGHT_SET(w, r) *w = r
443#define DECLARE_NETDEV struct net_device *netdev = jme->dev;
444#define JME_RX_COMPLETE(dev, napis) netif_rx_complete(dev)
445#define JME_NAPI_ENABLE(priv) netif_poll_enable(priv->dev);
446#define JME_NAPI_DISABLE(priv) netif_poll_disable(priv->dev);
447#define JME_RX_SCHEDULE_PREP(priv) \
448 netif_rx_schedule_prep(priv->dev)
449#define JME_RX_SCHEDULE(priv) \
450 __netif_rx_schedule(priv->dev);
451#else
452#define DECLARE_NAPI_STRUCT struct napi_struct napi;
453#define NETIF_NAPI_SET(dev, napis, pollfn, q) \
454 netif_napi_add(dev, napis, pollfn, q);
455#define JME_NAPI_HOLDER(holder) struct napi_struct *holder
456#define JME_NAPI_WEIGHT(w) int w
457#define JME_NAPI_WEIGHT_VAL(w) w
458#define JME_NAPI_WEIGHT_SET(w, r)
459#define DECLARE_NETDEV
460#define JME_RX_COMPLETE(dev, napis) napi_complete(napis)
461#define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
462#define JME_NAPI_DISABLE(priv) \
463 if (!napi_disable_pending(&priv->napi)) \
464 napi_disable(&priv->napi);
465#define JME_RX_SCHEDULE_PREP(priv) \
466 napi_schedule_prep(&priv->napi)
467#define JME_RX_SCHEDULE(priv) \
468 __napi_schedule(&priv->napi);
469#endif
470
471/*
472 * Jmac Adapter Private data
473 */
474struct jme_adapter {
475 struct pci_dev *pdev;
476 struct net_device *dev;
477 void __iomem *regs;
478 struct mii_if_info mii_if;
479 struct jme_ring rxring[RX_RING_NR];
480 struct jme_ring txring[TX_RING_NR];
481 spinlock_t phy_lock;
482 spinlock_t macaddr_lock;
483 spinlock_t rxmcs_lock;
484 spinlock_t vlgrp_lock;
485 struct tasklet_struct rxempty_task;
486 struct tasklet_struct rxclean_task;
487 struct tasklet_struct txclean_task;
488 struct tasklet_struct linkch_task;
489 struct tasklet_struct pcc_task;
490 unsigned long flags;
491 u32 reg_txcs;
492 u32 reg_txpfc;
493 u32 reg_rxcs;
494 u32 reg_rxmcs;
495 u32 reg_ghc;
496 u32 reg_pmcs;
497 u32 phylink;
498 u32 tx_ring_size;
499 u32 tx_ring_mask;
500 u32 tx_wake_threshold;
501 u32 rx_ring_size;
502 u32 rx_ring_mask;
503 u8 mrrs;
504 unsigned int fpgaver;
505 unsigned int chiprev;
506 u8 rev;
507 u32 msg_enable;
508 struct ethtool_cmd old_ecmd;
509 unsigned int old_mtu;
510 struct vlan_group *vlgrp;
511 struct dynpcc_info dpi;
512 atomic_t intr_sem;
513 atomic_t link_changing;
514 atomic_t tx_cleaning;
515 atomic_t rx_cleaning;
516 atomic_t rx_empty;
517 int (*jme_rx)(struct sk_buff *skb);
518 int (*jme_vlan_rx)(struct sk_buff *skb,
519 struct vlan_group *grp,
520 unsigned short vlan_tag);
521 DECLARE_NAPI_STRUCT
522 DECLARE_NET_DEVICE_STATS
523};
524
525#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
526static struct net_device_stats *
527jme_get_stats(struct net_device *netdev)
528{
529 struct jme_adapter *jme = netdev_priv(netdev);
530 return &jme->stats;
531}
532#endif
533
534enum jme_flags_bits {
535 JME_FLAG_MSI = 1,
536 JME_FLAG_SSET = 2,
537 JME_FLAG_TXCSUM = 3,
538 JME_FLAG_TSO = 4,
539 JME_FLAG_POLL = 5,
540 JME_FLAG_SHUTDOWN = 6,
541};
542
543#define TX_TIMEOUT (5 * HZ)
544#define JME_REG_LEN 0x500
545#define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216
546
547#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
548static inline struct jme_adapter*
549jme_napi_priv(struct net_device *holder)
550{
551 struct jme_adapter *jme;
552 jme = netdev_priv(holder);
553 return jme;
554}
555#else
556static inline struct jme_adapter*
557jme_napi_priv(struct napi_struct *napi)
558{
559 struct jme_adapter *jme;
560 jme = container_of(napi, struct jme_adapter, napi);
561 return jme;
562}
563#endif
564
565/*
566 * MMaped I/O Resters
567 */
568enum jme_iomap_offsets {
569 JME_MAC = 0x0000,
570 JME_PHY = 0x0400,
571 JME_MISC = 0x0800,
572 JME_RSS = 0x0C00,
573};
574
575enum jme_iomap_lens {
576 JME_MAC_LEN = 0x80,
577 JME_PHY_LEN = 0x58,
578 JME_MISC_LEN = 0x98,
579 JME_RSS_LEN = 0xFF,
580};
581
582enum jme_iomap_regs {
583 JME_TXCS = JME_MAC | 0x00, /* Transmit Control and Status */
584 JME_TXDBA_LO = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
585 JME_TXDBA_HI = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
586 JME_TXQDC = JME_MAC | 0x0C, /* Transmit Queue Desc Count */
587 JME_TXNDA = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
588 JME_TXMCS = JME_MAC | 0x14, /* Transmit MAC Control Status */
589 JME_TXPFC = JME_MAC | 0x18, /* Transmit Pause Frame Control */
590 JME_TXTRHD = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */
591
592 JME_RXCS = JME_MAC | 0x20, /* Receive Control and Status */
593 JME_RXDBA_LO = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
594 JME_RXDBA_HI = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
595 JME_RXQDC = JME_MAC | 0x2C, /* Receive Queue Desc Count */
596 JME_RXNDA = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
597 JME_RXMCS = JME_MAC | 0x34, /* Receive MAC Control Status */
598 JME_RXUMA_LO = JME_MAC | 0x38, /* Receive Unicast MAC Address */
599 JME_RXUMA_HI = JME_MAC | 0x3C, /* Receive Unicast MAC Address */
600 JME_RXMCHT_LO = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
601 JME_RXMCHT_HI = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
602 JME_WFODP = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
603 JME_WFOI = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */
604
605 JME_SMI = JME_MAC | 0x50, /* Station Management Interface */
606 JME_GHC = JME_MAC | 0x54, /* Global Host Control */
607 JME_PMCS = JME_MAC | 0x60, /* Power Management Control/Stat */
608
609
610 JME_PHY_CS = JME_PHY | 0x28, /* PHY Ctrl and Status Register */
611 JME_PHY_LINK = JME_PHY | 0x30, /* PHY Link Status Register */
612 JME_SMBCSR = JME_PHY | 0x40, /* SMB Control and Status */
613 JME_SMBINTF = JME_PHY | 0x44, /* SMB Interface */
614
615
616 JME_TMCSR = JME_MISC | 0x00, /* Timer Control/Status Register */
617 JME_GPREG0 = JME_MISC | 0x08, /* General purpose REG-0 */
618 JME_GPREG1 = JME_MISC | 0x0C, /* General purpose REG-1 */
619 JME_IEVE = JME_MISC | 0x20, /* Interrupt Event Status */
620 JME_IREQ = JME_MISC | 0x24, /* Intr Req Status(For Debug) */
621 JME_IENS = JME_MISC | 0x28, /* Intr Enable - Setting Port */
622 JME_IENC = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */
623 JME_PCCRX0 = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */
624 JME_PCCTX = JME_MISC | 0x40, /* PCC Control for TX Queues */
625 JME_CHIPMODE = JME_MISC | 0x44, /* Identify FPGA Version */
626 JME_SHBA_HI = JME_MISC | 0x48, /* Shadow Register Base HI */
627 JME_SHBA_LO = JME_MISC | 0x4C, /* Shadow Register Base LO */
628 JME_TIMER1 = JME_MISC | 0x70, /* Timer1 */
629 JME_TIMER2 = JME_MISC | 0x74, /* Timer2 */
630 JME_APMC = JME_MISC | 0x7C, /* Aggressive Power Mode Control */
631 JME_PCCSRX0 = JME_MISC | 0x80, /* PCC Status of RX0 */
632};
633
634/*
635 * TX Control/Status Bits
636 */
637enum jme_txcs_bits {
638 TXCS_QUEUE7S = 0x00008000,
639 TXCS_QUEUE6S = 0x00004000,
640 TXCS_QUEUE5S = 0x00002000,
641 TXCS_QUEUE4S = 0x00001000,
642 TXCS_QUEUE3S = 0x00000800,
643 TXCS_QUEUE2S = 0x00000400,
644 TXCS_QUEUE1S = 0x00000200,
645 TXCS_QUEUE0S = 0x00000100,
646 TXCS_FIFOTH = 0x000000C0,
647 TXCS_DMASIZE = 0x00000030,
648 TXCS_BURST = 0x00000004,
649 TXCS_ENABLE = 0x00000001,
650};
651
652enum jme_txcs_value {
653 TXCS_FIFOTH_16QW = 0x000000C0,
654 TXCS_FIFOTH_12QW = 0x00000080,
655 TXCS_FIFOTH_8QW = 0x00000040,
656 TXCS_FIFOTH_4QW = 0x00000000,
657
658 TXCS_DMASIZE_64B = 0x00000000,
659 TXCS_DMASIZE_128B = 0x00000010,
660 TXCS_DMASIZE_256B = 0x00000020,
661 TXCS_DMASIZE_512B = 0x00000030,
662
663 TXCS_SELECT_QUEUE0 = 0x00000000,
664 TXCS_SELECT_QUEUE1 = 0x00010000,
665 TXCS_SELECT_QUEUE2 = 0x00020000,
666 TXCS_SELECT_QUEUE3 = 0x00030000,
667 TXCS_SELECT_QUEUE4 = 0x00040000,
668 TXCS_SELECT_QUEUE5 = 0x00050000,
669 TXCS_SELECT_QUEUE6 = 0x00060000,
670 TXCS_SELECT_QUEUE7 = 0x00070000,
671
672 TXCS_DEFAULT = TXCS_FIFOTH_4QW |
673 TXCS_BURST,
674};
675
676#define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
677
678/*
679 * TX MAC Control/Status Bits
680 */
681enum jme_txmcs_bit_masks {
682 TXMCS_IFG2 = 0xC0000000,
683 TXMCS_IFG1 = 0x30000000,
684 TXMCS_TTHOLD = 0x00000300,
685 TXMCS_FBURST = 0x00000080,
686 TXMCS_CARRIEREXT = 0x00000040,
687 TXMCS_DEFER = 0x00000020,
688 TXMCS_BACKOFF = 0x00000010,
689 TXMCS_CARRIERSENSE = 0x00000008,
690 TXMCS_COLLISION = 0x00000004,
691 TXMCS_CRC = 0x00000002,
692 TXMCS_PADDING = 0x00000001,
693};
694
695enum jme_txmcs_values {
696 TXMCS_IFG2_6_4 = 0x00000000,
697 TXMCS_IFG2_8_5 = 0x40000000,
698 TXMCS_IFG2_10_6 = 0x80000000,
699 TXMCS_IFG2_12_7 = 0xC0000000,
700
701 TXMCS_IFG1_8_4 = 0x00000000,
702 TXMCS_IFG1_12_6 = 0x10000000,
703 TXMCS_IFG1_16_8 = 0x20000000,
704 TXMCS_IFG1_20_10 = 0x30000000,
705
706 TXMCS_TTHOLD_1_8 = 0x00000000,
707 TXMCS_TTHOLD_1_4 = 0x00000100,
708 TXMCS_TTHOLD_1_2 = 0x00000200,
709 TXMCS_TTHOLD_FULL = 0x00000300,
710
711 TXMCS_DEFAULT = TXMCS_IFG2_8_5 |
712 TXMCS_IFG1_16_8 |
713 TXMCS_TTHOLD_FULL |
714 TXMCS_DEFER |
715 TXMCS_CRC |
716 TXMCS_PADDING,
717};
718
719enum jme_txpfc_bits_masks {
720 TXPFC_VLAN_TAG = 0xFFFF0000,
721 TXPFC_VLAN_EN = 0x00008000,
722 TXPFC_PF_EN = 0x00000001,
723};
724
725enum jme_txtrhd_bits_masks {
726 TXTRHD_TXPEN = 0x80000000,
727 TXTRHD_TXP = 0x7FFFFF00,
728 TXTRHD_TXREN = 0x00000080,
729 TXTRHD_TXRL = 0x0000007F,
730};
731
732enum jme_txtrhd_shifts {
733 TXTRHD_TXP_SHIFT = 8,
734 TXTRHD_TXRL_SHIFT = 0,
735};
736
737/*
738 * RX Control/Status Bits
739 */
740enum jme_rxcs_bit_masks {
741 /* FIFO full threshold for transmitting Tx Pause Packet */
742 RXCS_FIFOTHTP = 0x30000000,
743 /* FIFO threshold for processing next packet */
744 RXCS_FIFOTHNP = 0x0C000000,
745 RXCS_DMAREQSZ = 0x03000000, /* DMA Request Size */
746 RXCS_QUEUESEL = 0x00030000, /* Queue selection */
747 RXCS_RETRYGAP = 0x0000F000, /* RX Desc full retry gap */
748 RXCS_RETRYCNT = 0x00000F00, /* RX Desc full retry counter */
749 RXCS_WAKEUP = 0x00000040, /* Enable receive wakeup packet */
750 RXCS_MAGIC = 0x00000020, /* Enable receive magic packet */
751 RXCS_SHORT = 0x00000010, /* Enable receive short packet */
752 RXCS_ABORT = 0x00000008, /* Enable receive errorr packet */
753 RXCS_QST = 0x00000004, /* Receive queue start */
754 RXCS_SUSPEND = 0x00000002,
755 RXCS_ENABLE = 0x00000001,
756};
757
758enum jme_rxcs_values {
759 RXCS_FIFOTHTP_16T = 0x00000000,
760 RXCS_FIFOTHTP_32T = 0x10000000,
761 RXCS_FIFOTHTP_64T = 0x20000000,
762 RXCS_FIFOTHTP_128T = 0x30000000,
763
764 RXCS_FIFOTHNP_16QW = 0x00000000,
765 RXCS_FIFOTHNP_32QW = 0x04000000,
766 RXCS_FIFOTHNP_64QW = 0x08000000,
767 RXCS_FIFOTHNP_128QW = 0x0C000000,
768
769 RXCS_DMAREQSZ_16B = 0x00000000,
770 RXCS_DMAREQSZ_32B = 0x01000000,
771 RXCS_DMAREQSZ_64B = 0x02000000,
772 RXCS_DMAREQSZ_128B = 0x03000000,
773
774 RXCS_QUEUESEL_Q0 = 0x00000000,
775 RXCS_QUEUESEL_Q1 = 0x00010000,
776 RXCS_QUEUESEL_Q2 = 0x00020000,
777 RXCS_QUEUESEL_Q3 = 0x00030000,
778
779 RXCS_RETRYGAP_256ns = 0x00000000,
780 RXCS_RETRYGAP_512ns = 0x00001000,
781 RXCS_RETRYGAP_1024ns = 0x00002000,
782 RXCS_RETRYGAP_2048ns = 0x00003000,
783 RXCS_RETRYGAP_4096ns = 0x00004000,
784 RXCS_RETRYGAP_8192ns = 0x00005000,
785 RXCS_RETRYGAP_16384ns = 0x00006000,
786 RXCS_RETRYGAP_32768ns = 0x00007000,
787
788 RXCS_RETRYCNT_0 = 0x00000000,
789 RXCS_RETRYCNT_4 = 0x00000100,
790 RXCS_RETRYCNT_8 = 0x00000200,
791 RXCS_RETRYCNT_12 = 0x00000300,
792 RXCS_RETRYCNT_16 = 0x00000400,
793 RXCS_RETRYCNT_20 = 0x00000500,
794 RXCS_RETRYCNT_24 = 0x00000600,
795 RXCS_RETRYCNT_28 = 0x00000700,
796 RXCS_RETRYCNT_32 = 0x00000800,
797 RXCS_RETRYCNT_36 = 0x00000900,
798 RXCS_RETRYCNT_40 = 0x00000A00,
799 RXCS_RETRYCNT_44 = 0x00000B00,
800 RXCS_RETRYCNT_48 = 0x00000C00,
801 RXCS_RETRYCNT_52 = 0x00000D00,
802 RXCS_RETRYCNT_56 = 0x00000E00,
803 RXCS_RETRYCNT_60 = 0x00000F00,
804
805 RXCS_DEFAULT = RXCS_FIFOTHTP_128T |
806 RXCS_FIFOTHNP_128QW |
807 RXCS_DMAREQSZ_128B |
808 RXCS_RETRYGAP_256ns |
809 RXCS_RETRYCNT_32,
810};
811
812#define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
813
814/*
815 * RX MAC Control/Status Bits
816 */
817enum jme_rxmcs_bits {
818 RXMCS_ALLFRAME = 0x00000800,
819 RXMCS_BRDFRAME = 0x00000400,
820 RXMCS_MULFRAME = 0x00000200,
821 RXMCS_UNIFRAME = 0x00000100,
822 RXMCS_ALLMULFRAME = 0x00000080,
823 RXMCS_MULFILTERED = 0x00000040,
824 RXMCS_RXCOLLDEC = 0x00000020,
825 RXMCS_FLOWCTRL = 0x00000008,
826 RXMCS_VTAGRM = 0x00000004,
827 RXMCS_PREPAD = 0x00000002,
828 RXMCS_CHECKSUM = 0x00000001,
829
830 RXMCS_DEFAULT = RXMCS_VTAGRM |
831 RXMCS_PREPAD |
832 RXMCS_FLOWCTRL |
833 RXMCS_CHECKSUM,
834};
835
836/*
837 * Wakeup Frame setup interface registers
838 */
839#define WAKEUP_FRAME_NR 8
840#define WAKEUP_FRAME_MASK_DWNR 4
841
842enum jme_wfoi_bit_masks {
843 WFOI_MASK_SEL = 0x00000070,
844 WFOI_CRC_SEL = 0x00000008,
845 WFOI_FRAME_SEL = 0x00000007,
846};
847
848enum jme_wfoi_shifts {
849 WFOI_MASK_SHIFT = 4,
850};
851
852/*
853 * SMI Related definitions
854 */
855enum jme_smi_bit_mask {
856 SMI_DATA_MASK = 0xFFFF0000,
857 SMI_REG_ADDR_MASK = 0x0000F800,
858 SMI_PHY_ADDR_MASK = 0x000007C0,
859 SMI_OP_WRITE = 0x00000020,
860 /* Set to 1, after req done it'll be cleared to 0 */
861 SMI_OP_REQ = 0x00000010,
862 SMI_OP_MDIO = 0x00000008, /* Software assess In/Out */
863 SMI_OP_MDOE = 0x00000004, /* Software Output Enable */
864 SMI_OP_MDC = 0x00000002, /* Software CLK Control */
865 SMI_OP_MDEN = 0x00000001, /* Software access Enable */
866};
867
868enum jme_smi_bit_shift {
869 SMI_DATA_SHIFT = 16,
870 SMI_REG_ADDR_SHIFT = 11,
871 SMI_PHY_ADDR_SHIFT = 6,
872};
873
874static inline u32 smi_reg_addr(int x)
875{
876 return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
877}
878
879static inline u32 smi_phy_addr(int x)
880{
881 return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK;
882}
883
884#define JME_PHY_TIMEOUT 100 /* 100 msec */
885#define JME_PHY_REG_NR 32
886
887/*
888 * Global Host Control
889 */
890enum jme_ghc_bit_mask {
891 GHC_SWRST = 0x40000000,
892 GHC_DPX = 0x00000040,
893 GHC_SPEED = 0x00000030,
894 GHC_LINK_POLL = 0x00000001,
895};
896
897enum jme_ghc_speed_val {
898 GHC_SPEED_10M = 0x00000010,
899 GHC_SPEED_100M = 0x00000020,
900 GHC_SPEED_1000M = 0x00000030,
901};
902
903enum jme_ghc_to_clk {
904 GHC_TO_CLK_OFF = 0x00000000,
905 GHC_TO_CLK_GPHY = 0x00400000,
906 GHC_TO_CLK_PCIE = 0x00800000,
907 GHC_TO_CLK_INVALID = 0x00C00000,
908};
909
910enum jme_ghc_txmac_clk {
911 GHC_TXMAC_CLK_OFF = 0x00000000,
912 GHC_TXMAC_CLK_GPHY = 0x00100000,
913 GHC_TXMAC_CLK_PCIE = 0x00200000,
914 GHC_TXMAC_CLK_INVALID = 0x00300000,
915};
916
917/*
918 * Power management control and status register
919 */
920enum jme_pmcs_bit_masks {
921 PMCS_WF7DET = 0x80000000,
922 PMCS_WF6DET = 0x40000000,
923 PMCS_WF5DET = 0x20000000,
924 PMCS_WF4DET = 0x10000000,
925 PMCS_WF3DET = 0x08000000,
926 PMCS_WF2DET = 0x04000000,
927 PMCS_WF1DET = 0x02000000,
928 PMCS_WF0DET = 0x01000000,
929 PMCS_LFDET = 0x00040000,
930 PMCS_LRDET = 0x00020000,
931 PMCS_MFDET = 0x00010000,
932 PMCS_WF7EN = 0x00008000,
933 PMCS_WF6EN = 0x00004000,
934 PMCS_WF5EN = 0x00002000,
935 PMCS_WF4EN = 0x00001000,
936 PMCS_WF3EN = 0x00000800,
937 PMCS_WF2EN = 0x00000400,
938 PMCS_WF1EN = 0x00000200,
939 PMCS_WF0EN = 0x00000100,
940 PMCS_LFEN = 0x00000004,
941 PMCS_LREN = 0x00000002,
942 PMCS_MFEN = 0x00000001,
943};
944
945/*
946 * Giga PHY Status Registers
947 */
948enum jme_phy_link_bit_mask {
949 PHY_LINK_SPEED_MASK = 0x0000C000,
950 PHY_LINK_DUPLEX = 0x00002000,
951 PHY_LINK_SPEEDDPU_RESOLVED = 0x00000800,
952 PHY_LINK_UP = 0x00000400,
953 PHY_LINK_AUTONEG_COMPLETE = 0x00000200,
954 PHY_LINK_MDI_STAT = 0x00000040,
955};
956
957enum jme_phy_link_speed_val {
958 PHY_LINK_SPEED_10M = 0x00000000,
959 PHY_LINK_SPEED_100M = 0x00004000,
960 PHY_LINK_SPEED_1000M = 0x00008000,
961};
962
963#define JME_SPDRSV_TIMEOUT 500 /* 500 us */
964
965/*
966 * SMB Control and Status
967 */
968enum jme_smbcsr_bit_mask {
969 SMBCSR_CNACK = 0x00020000,
970 SMBCSR_RELOAD = 0x00010000,
971 SMBCSR_EEPROMD = 0x00000020,
972 SMBCSR_INITDONE = 0x00000010,
973 SMBCSR_BUSY = 0x0000000F,
974};
975
976enum jme_smbintf_bit_mask {
977 SMBINTF_HWDATR = 0xFF000000,
978 SMBINTF_HWDATW = 0x00FF0000,
979 SMBINTF_HWADDR = 0x0000FF00,
980 SMBINTF_HWRWN = 0x00000020,
981 SMBINTF_HWCMD = 0x00000010,
982 SMBINTF_FASTM = 0x00000008,
983 SMBINTF_GPIOSCL = 0x00000004,
984 SMBINTF_GPIOSDA = 0x00000002,
985 SMBINTF_GPIOEN = 0x00000001,
986};
987
988enum jme_smbintf_vals {
989 SMBINTF_HWRWN_READ = 0x00000020,
990 SMBINTF_HWRWN_WRITE = 0x00000000,
991};
992
993enum jme_smbintf_shifts {
994 SMBINTF_HWDATR_SHIFT = 24,
995 SMBINTF_HWDATW_SHIFT = 16,
996 SMBINTF_HWADDR_SHIFT = 8,
997};
998
999#define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
1000#define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
1001#define JME_SMB_LEN 256
1002#define JME_EEPROM_MAGIC 0x250
1003
1004/*
1005 * Timer Control/Status Register
1006 */
1007enum jme_tmcsr_bit_masks {
1008 TMCSR_SWIT = 0x80000000,
1009 TMCSR_EN = 0x01000000,
1010 TMCSR_CNT = 0x00FFFFFF,
1011};
1012
1013/*
1014 * General Purpose REG-0
1015 */
1016enum jme_gpreg0_masks {
1017 GPREG0_DISSH = 0xFF000000,
1018 GPREG0_PCIRLMT = 0x00300000,
1019 GPREG0_PCCNOMUTCLR = 0x00040000,
1020 GPREG0_LNKINTPOLL = 0x00001000,
1021 GPREG0_PCCTMR = 0x00000300,
1022 GPREG0_PHYADDR = 0x0000001F,
1023};
1024
1025enum jme_gpreg0_vals {
1026 GPREG0_DISSH_DW7 = 0x80000000,
1027 GPREG0_DISSH_DW6 = 0x40000000,
1028 GPREG0_DISSH_DW5 = 0x20000000,
1029 GPREG0_DISSH_DW4 = 0x10000000,
1030 GPREG0_DISSH_DW3 = 0x08000000,
1031 GPREG0_DISSH_DW2 = 0x04000000,
1032 GPREG0_DISSH_DW1 = 0x02000000,
1033 GPREG0_DISSH_DW0 = 0x01000000,
1034 GPREG0_DISSH_ALL = 0xFF000000,
1035
1036 GPREG0_PCIRLMT_8 = 0x00000000,
1037 GPREG0_PCIRLMT_6 = 0x00100000,
1038 GPREG0_PCIRLMT_5 = 0x00200000,
1039 GPREG0_PCIRLMT_4 = 0x00300000,
1040
1041 GPREG0_PCCTMR_16ns = 0x00000000,
1042 GPREG0_PCCTMR_256ns = 0x00000100,
1043 GPREG0_PCCTMR_1us = 0x00000200,
1044 GPREG0_PCCTMR_1ms = 0x00000300,
1045
1046 GPREG0_PHYADDR_1 = 0x00000001,
1047
1048 GPREG0_DEFAULT = GPREG0_PCIRLMT_4 |
1049 GPREG0_PCCTMR_1us |
1050 GPREG0_PHYADDR_1,
1051};
1052
1053/*
1054 * General Purpose REG-1
1055 * Note: All theses bits defined here are for
1056 * Chip mode revision 0x11 only
1057 */
1058enum jme_gpreg1_masks {
1059 GPREG1_INTRDELAYUNIT = 0x00000018,
1060 GPREG1_INTRDELAYENABLE = 0x00000007,
1061};
1062
1063enum jme_gpreg1_vals {
1064 GPREG1_RSSPATCH = 0x00000040,
1065 GPREG1_HALFMODEPATCH = 0x00000020,
1066
1067 GPREG1_INTDLYUNIT_16NS = 0x00000000,
1068 GPREG1_INTDLYUNIT_256NS = 0x00000008,
1069 GPREG1_INTDLYUNIT_1US = 0x00000010,
1070 GPREG1_INTDLYUNIT_16US = 0x00000018,
1071
1072 GPREG1_INTDLYEN_1U = 0x00000001,
1073 GPREG1_INTDLYEN_2U = 0x00000002,
1074 GPREG1_INTDLYEN_3U = 0x00000003,
1075 GPREG1_INTDLYEN_4U = 0x00000004,
1076 GPREG1_INTDLYEN_5U = 0x00000005,
1077 GPREG1_INTDLYEN_6U = 0x00000006,
1078 GPREG1_INTDLYEN_7U = 0x00000007,
1079
1080 GPREG1_DEFAULT = 0x00000000,
1081};
1082
1083/*
1084 * Interrupt Status Bits
1085 */
1086enum jme_interrupt_bits {
1087 INTR_SWINTR = 0x80000000,
1088 INTR_TMINTR = 0x40000000,
1089 INTR_LINKCH = 0x20000000,
1090 INTR_PAUSERCV = 0x10000000,
1091 INTR_MAGICRCV = 0x08000000,
1092 INTR_WAKERCV = 0x04000000,
1093 INTR_PCCRX0TO = 0x02000000,
1094 INTR_PCCRX1TO = 0x01000000,
1095 INTR_PCCRX2TO = 0x00800000,
1096 INTR_PCCRX3TO = 0x00400000,
1097 INTR_PCCTXTO = 0x00200000,
1098 INTR_PCCRX0 = 0x00100000,
1099 INTR_PCCRX1 = 0x00080000,
1100 INTR_PCCRX2 = 0x00040000,
1101 INTR_PCCRX3 = 0x00020000,
1102 INTR_PCCTX = 0x00010000,
1103 INTR_RX3EMP = 0x00008000,
1104 INTR_RX2EMP = 0x00004000,
1105 INTR_RX1EMP = 0x00002000,
1106 INTR_RX0EMP = 0x00001000,
1107 INTR_RX3 = 0x00000800,
1108 INTR_RX2 = 0x00000400,
1109 INTR_RX1 = 0x00000200,
1110 INTR_RX0 = 0x00000100,
1111 INTR_TX7 = 0x00000080,
1112 INTR_TX6 = 0x00000040,
1113 INTR_TX5 = 0x00000020,
1114 INTR_TX4 = 0x00000010,
1115 INTR_TX3 = 0x00000008,
1116 INTR_TX2 = 0x00000004,
1117 INTR_TX1 = 0x00000002,
1118 INTR_TX0 = 0x00000001,
1119};
1120
1121static const u32 INTR_ENABLE = INTR_SWINTR |
1122 INTR_TMINTR |
1123 INTR_LINKCH |
1124 INTR_PCCRX0TO |
1125 INTR_PCCRX0 |
1126 INTR_PCCTXTO |
1127 INTR_PCCTX |
1128 INTR_RX0EMP;
1129
1130/*
1131 * PCC Control Registers
1132 */
1133enum jme_pccrx_masks {
1134 PCCRXTO_MASK = 0xFFFF0000,
1135 PCCRX_MASK = 0x0000FF00,
1136};
1137
1138enum jme_pcctx_masks {
1139 PCCTXTO_MASK = 0xFFFF0000,
1140 PCCTX_MASK = 0x0000FF00,
1141 PCCTX_QS_MASK = 0x000000FF,
1142};
1143
1144enum jme_pccrx_shifts {
1145 PCCRXTO_SHIFT = 16,
1146 PCCRX_SHIFT = 8,
1147};
1148
1149enum jme_pcctx_shifts {
1150 PCCTXTO_SHIFT = 16,
1151 PCCTX_SHIFT = 8,
1152};
1153
1154enum jme_pcctx_bits {
1155 PCCTXQ0_EN = 0x00000001,
1156 PCCTXQ1_EN = 0x00000002,
1157 PCCTXQ2_EN = 0x00000004,
1158 PCCTXQ3_EN = 0x00000008,
1159 PCCTXQ4_EN = 0x00000010,
1160 PCCTXQ5_EN = 0x00000020,
1161 PCCTXQ6_EN = 0x00000040,
1162 PCCTXQ7_EN = 0x00000080,
1163};
1164
1165/*
1166 * Chip Mode Register
1167 */
1168enum jme_chipmode_bit_masks {
1169 CM_FPGAVER_MASK = 0xFFFF0000,
1170 CM_CHIPREV_MASK = 0x0000FF00,
1171 CM_CHIPMODE_MASK = 0x0000000F,
1172};
1173
1174enum jme_chipmode_shifts {
1175 CM_FPGAVER_SHIFT = 16,
1176 CM_CHIPREV_SHIFT = 8,
1177};
1178
1179/*
1180 * Aggressive Power Mode Control
1181 */
1182enum jme_apmc_bits {
1183 JME_APMC_PCIE_SD_EN = 0x40000000,
1184 JME_APMC_PSEUDO_HP_EN = 0x20000000,
1185 JME_APMC_EPIEN = 0x04000000,
1186 JME_APMC_EPIEN_CTRL = 0x03000000,
1187};
1188
1189enum jme_apmc_values {
1190 JME_APMC_EPIEN_CTRL_EN = 0x02000000,
1191 JME_APMC_EPIEN_CTRL_DIS = 0x01000000,
1192};
1193
1194#define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000)
1195
1196#ifdef REG_DEBUG
1197static char *MAC_REG_NAME[] = {
1198 "JME_TXCS", "JME_TXDBA_LO", "JME_TXDBA_HI", "JME_TXQDC",
1199 "JME_TXNDA", "JME_TXMCS", "JME_TXPFC", "JME_TXTRHD",
1200 "JME_RXCS", "JME_RXDBA_LO", "JME_RXDBA_HI", "JME_RXQDC",
1201 "JME_RXNDA", "JME_RXMCS", "JME_RXUMA_LO", "JME_RXUMA_HI",
1202 "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP", "JME_WFOI",
1203 "JME_SMI", "JME_GHC", "UNKNOWN", "UNKNOWN",
1204 "JME_PMCS"};
1205
1206static char *PE_REG_NAME[] = {
1207 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1208 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1209 "UNKNOWN", "UNKNOWN", "JME_PHY_CS", "UNKNOWN",
1210 "JME_PHY_LINK", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1211 "JME_SMBCSR", "JME_SMBINTF"};
1212
1213static char *MISC_REG_NAME[] = {
1214 "JME_TMCSR", "JME_GPIO", "JME_GPREG0", "JME_GPREG1",
1215 "JME_IEVE", "JME_IREQ", "JME_IENS", "JME_IENC",
1216 "JME_PCCRX0", "JME_PCCRX1", "JME_PCCRX2", "JME_PCCRX3",
1217 "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO",
1218 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1219 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1220 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1221 "JME_TIMER1", "JME_TIMER2", "UNKNOWN", "JME_APMC",
1222 "JME_PCCSRX0"};
1223
1224static inline void reg_dbg(const struct jme_adapter *jme,
1225 const char *msg, u32 val, u32 reg)
1226{
1227 const char *regname;
1228 switch (reg & 0xF00) {
1229 case 0x000:
1230 regname = MAC_REG_NAME[(reg & 0xFF) >> 2];
1231 break;
1232 case 0x400:
1233 regname = PE_REG_NAME[(reg & 0xFF) >> 2];
1234 break;
1235 case 0x800:
1236 regname = MISC_REG_NAME[(reg & 0xFF) >> 2];
1237 break;
1238 default:
1239 regname = PE_REG_NAME[0];
1240 }
1241 printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name,
1242 msg, val, regname);
1243}
1244#else
1245static inline void reg_dbg(const struct jme_adapter *jme,
1246 const char *msg, u32 val, u32 reg) {}
1247#endif
1248
1249/*
1250 * Read/Write MMaped I/O Registers
1251 */
1252static inline u32 jread32(struct jme_adapter *jme, u32 reg)
1253{
1254 return readl(jme->regs + reg);
1255}
1256
1257static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val)
1258{
1259 reg_dbg(jme, "REG WRITE", val, reg);
1260 writel(val, jme->regs + reg);
1261 reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1262}
1263
1264static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val)
1265{
1266 /*
1267 * Read after write should cause flush
1268 */
1269 reg_dbg(jme, "REG WRITE FLUSH", val, reg);
1270 writel(val, jme->regs + reg);
1271 readl(jme->regs + reg);
1272 reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1273}
1274
1275/*
1276 * PHY Regs
1277 */
1278enum jme_phy_reg17_bit_masks {
1279 PREG17_SPEED = 0xC000,
1280 PREG17_DUPLEX = 0x2000,
1281 PREG17_SPDRSV = 0x0800,
1282 PREG17_LNKUP = 0x0400,
1283 PREG17_MDI = 0x0040,
1284};
1285
1286enum jme_phy_reg17_vals {
1287 PREG17_SPEED_10M = 0x0000,
1288 PREG17_SPEED_100M = 0x4000,
1289 PREG17_SPEED_1000M = 0x8000,
1290};
1291
1292#define BMSR_ANCOMP 0x0020
1293
1294/*
1295 * Workaround
1296 */
1297static inline int is_buggy250(unsigned short device, unsigned int chiprev)
1298{
1299 return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
1300}
1301
1302/*
1303 * Function prototypes
1304 */
1305static int jme_set_settings(struct net_device *netdev,
1306 struct ethtool_cmd *ecmd);
1307static void jme_set_multi(struct net_device *netdev);
1308
1309#endif
JMicron Ethernet Linux driver