xref: /openbmc/linux/drivers/net/ethernet/jme.h (revision 4bb1eb3c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
4  *
5  * Copyright 2008 JMicron Technology Corporation
6  * https://www.jmicron.com/
7  * Copyright (c) 2009 - 2010 Guo-Fu Tseng <cooldavid@cooldavid.org>
8  *
9  * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
10  */
11 
12 #ifndef __JME_H_INCLUDED__
13 #define __JME_H_INCLUDED__
14 #include <linux/interrupt.h>
15 
16 #define DRV_NAME	"jme"
17 #define DRV_VERSION	"1.0.8"
18 
19 #define PCI_DEVICE_ID_JMICRON_JMC250	0x0250
20 #define PCI_DEVICE_ID_JMICRON_JMC260	0x0260
21 
22 /*
23  * Message related definitions
24  */
25 #define JME_DEF_MSG_ENABLE \
26 	(NETIF_MSG_PROBE | \
27 	NETIF_MSG_LINK | \
28 	NETIF_MSG_RX_ERR | \
29 	NETIF_MSG_TX_ERR | \
30 	NETIF_MSG_HW)
31 
32 #ifdef TX_DEBUG
33 #define tx_dbg(priv, fmt, args...)					\
34 	printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args)
35 #else
36 #define tx_dbg(priv, fmt, args...)					\
37 do {									\
38 	if (0)								\
39 		printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args); \
40 } while (0)
41 #endif
42 
43 /*
44  * Extra PCI Configuration space interface
45  */
46 #define PCI_DCSR_MRRS		0x59
47 #define PCI_DCSR_MRRS_MASK	0x70
48 
49 enum pci_dcsr_mrrs_vals {
50 	MRRS_128B	= 0x00,
51 	MRRS_256B	= 0x10,
52 	MRRS_512B	= 0x20,
53 	MRRS_1024B	= 0x30,
54 	MRRS_2048B	= 0x40,
55 	MRRS_4096B	= 0x50,
56 };
57 
58 #define PCI_SPI			0xB0
59 
60 enum pci_spi_bits {
61 	SPI_EN		= 0x10,
62 	SPI_MISO	= 0x08,
63 	SPI_MOSI	= 0x04,
64 	SPI_SCLK	= 0x02,
65 	SPI_CS		= 0x01,
66 };
67 
68 struct jme_spi_op {
69 	void __user *uwbuf;
70 	void __user *urbuf;
71 	__u8	wn;	/* Number of write actions */
72 	__u8	rn;	/* Number of read actions */
73 	__u8	bitn;	/* Number of bits per action */
74 	__u8	spd;	/* The maxim acceptable speed of controller, in MHz.*/
75 	__u8	mode;	/* CPOL, CPHA, and Duplex mode of SPI */
76 
77 	/* Internal use only */
78 	u8	*kwbuf;
79 	u8	*krbuf;
80 	u8	sr;
81 	u16	halfclk; /* Half of clock cycle calculated from spd, in ns */
82 };
83 
84 enum jme_spi_op_bits {
85 	SPI_MODE_CPHA	= 0x01,
86 	SPI_MODE_CPOL	= 0x02,
87 	SPI_MODE_DUP	= 0x80,
88 };
89 
90 #define HALF_US 500	/* 500 ns */
91 
92 #define PCI_PRIV_PE1		0xE4
93 
94 enum pci_priv_pe1_bit_masks {
95 	PE1_ASPMSUPRT	= 0x00000003, /*
96 				       * RW:
97 				       * Aspm_support[1:0]
98 				       * (R/W Port of 5C[11:10])
99 				       */
100 	PE1_MULTIFUN	= 0x00000004, /* RW: Multi_fun_bit */
101 	PE1_RDYDMA	= 0x00000008, /* RO: ~link.rdy_for_dma */
102 	PE1_ASPMOPTL	= 0x00000030, /* RW: link.rx10s_option[1:0] */
103 	PE1_ASPMOPTH	= 0x000000C0, /* RW: 10_req=[3]?HW:[2] */
104 	PE1_GPREG0	= 0x0000FF00, /*
105 				       * SRW:
106 				       * Cfg_gp_reg0
107 				       * [7:6] phy_giga BG control
108 				       * [5] CREQ_N as CREQ_N1 (CPPE# as CREQ#)
109 				       * [4:0] Reserved
110 				       */
111 	PE1_GPREG0_PBG	= 0x0000C000, /* phy_giga BG control */
112 	PE1_GPREG1	= 0x00FF0000, /* RW: Cfg_gp_reg1 */
113 	PE1_REVID	= 0xFF000000, /* RO: Rev ID */
114 };
115 
116 enum pci_priv_pe1_values {
117 	PE1_GPREG0_ENBG		= 0x00000000, /* en BG */
118 	PE1_GPREG0_PDD3COLD	= 0x00004000, /* giga_PD + d3cold */
119 	PE1_GPREG0_PDPCIESD	= 0x00008000, /* giga_PD + pcie_shutdown */
120 	PE1_GPREG0_PDPCIEIDDQ	= 0x0000C000, /* giga_PD + pcie_iddq */
121 };
122 
123 /*
124  * Dynamic(adaptive)/Static PCC values
125  */
126 enum dynamic_pcc_values {
127 	PCC_OFF		= 0,
128 	PCC_P1		= 1,
129 	PCC_P2		= 2,
130 	PCC_P3		= 3,
131 
132 	PCC_OFF_TO	= 0,
133 	PCC_P1_TO	= 1,
134 	PCC_P2_TO	= 64,
135 	PCC_P3_TO	= 128,
136 
137 	PCC_OFF_CNT	= 0,
138 	PCC_P1_CNT	= 1,
139 	PCC_P2_CNT	= 16,
140 	PCC_P3_CNT	= 32,
141 };
142 struct dynpcc_info {
143 	unsigned long	last_bytes;
144 	unsigned long	last_pkts;
145 	unsigned long	intr_cnt;
146 	unsigned char	cur;
147 	unsigned char	attempt;
148 	unsigned char	cnt;
149 };
150 #define PCC_INTERVAL_US	100000
151 #define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US))
152 #define PCC_P3_THRESHOLD (2 * 1024 * 1024)
153 #define PCC_P2_THRESHOLD 800
154 #define PCC_INTR_THRESHOLD 800
155 #define PCC_TX_TO 1000
156 #define PCC_TX_CNT 8
157 
158 /*
159  * TX/RX Descriptors
160  *
161  * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
162  */
163 #define RING_DESC_ALIGN		16	/* Descriptor alignment */
164 #define TX_DESC_SIZE		16
165 #define TX_RING_NR		8
166 #define TX_RING_ALLOC_SIZE(s)	((s * TX_DESC_SIZE) + RING_DESC_ALIGN)
167 
168 struct txdesc {
169 	union {
170 		__u8	all[16];
171 		__le32	dw[4];
172 		struct {
173 			/* DW0 */
174 			__le16	vlan;
175 			__u8	rsv1;
176 			__u8	flags;
177 
178 			/* DW1 */
179 			__le16	datalen;
180 			__le16	mss;
181 
182 			/* DW2 */
183 			__le16	pktsize;
184 			__le16	rsv2;
185 
186 			/* DW3 */
187 			__le32	bufaddr;
188 		} desc1;
189 		struct {
190 			/* DW0 */
191 			__le16	rsv1;
192 			__u8	rsv2;
193 			__u8	flags;
194 
195 			/* DW1 */
196 			__le16	datalen;
197 			__le16	rsv3;
198 
199 			/* DW2 */
200 			__le32	bufaddrh;
201 
202 			/* DW3 */
203 			__le32	bufaddrl;
204 		} desc2;
205 		struct {
206 			/* DW0 */
207 			__u8	ehdrsz;
208 			__u8	rsv1;
209 			__u8	rsv2;
210 			__u8	flags;
211 
212 			/* DW1 */
213 			__le16	trycnt;
214 			__le16	segcnt;
215 
216 			/* DW2 */
217 			__le16	pktsz;
218 			__le16	rsv3;
219 
220 			/* DW3 */
221 			__le32	bufaddrl;
222 		} descwb;
223 	};
224 };
225 
226 enum jme_txdesc_flags_bits {
227 	TXFLAG_OWN	= 0x80,
228 	TXFLAG_INT	= 0x40,
229 	TXFLAG_64BIT	= 0x20,
230 	TXFLAG_TCPCS	= 0x10,
231 	TXFLAG_UDPCS	= 0x08,
232 	TXFLAG_IPCS	= 0x04,
233 	TXFLAG_LSEN	= 0x02,
234 	TXFLAG_TAGON	= 0x01,
235 };
236 
237 #define TXDESC_MSS_SHIFT	2
238 enum jme_txwbdesc_flags_bits {
239 	TXWBFLAG_OWN	= 0x80,
240 	TXWBFLAG_INT	= 0x40,
241 	TXWBFLAG_TMOUT	= 0x20,
242 	TXWBFLAG_TRYOUT	= 0x10,
243 	TXWBFLAG_COL	= 0x08,
244 
245 	TXWBFLAG_ALLERR	= TXWBFLAG_TMOUT |
246 			  TXWBFLAG_TRYOUT |
247 			  TXWBFLAG_COL,
248 };
249 
250 #define RX_DESC_SIZE		16
251 #define RX_RING_NR		4
252 #define RX_RING_ALLOC_SIZE(s)	((s * RX_DESC_SIZE) + RING_DESC_ALIGN)
253 #define RX_BUF_DMA_ALIGN	8
254 #define RX_PREPAD_SIZE		10
255 #define ETH_CRC_LEN		2
256 #define RX_VLANHDR_LEN		2
257 #define RX_EXTRA_LEN		(RX_PREPAD_SIZE + \
258 				ETH_HLEN + \
259 				ETH_CRC_LEN + \
260 				RX_VLANHDR_LEN + \
261 				RX_BUF_DMA_ALIGN)
262 
263 struct rxdesc {
264 	union {
265 		__u8	all[16];
266 		__le32	dw[4];
267 		struct {
268 			/* DW0 */
269 			__le16	rsv2;
270 			__u8	rsv1;
271 			__u8	flags;
272 
273 			/* DW1 */
274 			__le16	datalen;
275 			__le16	wbcpl;
276 
277 			/* DW2 */
278 			__le32	bufaddrh;
279 
280 			/* DW3 */
281 			__le32	bufaddrl;
282 		} desc1;
283 		struct {
284 			/* DW0 */
285 			__le16	vlan;
286 			__le16	flags;
287 
288 			/* DW1 */
289 			__le16	framesize;
290 			__u8	errstat;
291 			__u8	desccnt;
292 
293 			/* DW2 */
294 			__le32	rsshash;
295 
296 			/* DW3 */
297 			__u8	hashfun;
298 			__u8	hashtype;
299 			__le16	resrv;
300 		} descwb;
301 	};
302 };
303 
304 enum jme_rxdesc_flags_bits {
305 	RXFLAG_OWN	= 0x80,
306 	RXFLAG_INT	= 0x40,
307 	RXFLAG_64BIT	= 0x20,
308 };
309 
310 enum jme_rxwbdesc_flags_bits {
311 	RXWBFLAG_OWN		= 0x8000,
312 	RXWBFLAG_INT		= 0x4000,
313 	RXWBFLAG_MF		= 0x2000,
314 	RXWBFLAG_64BIT		= 0x2000,
315 	RXWBFLAG_TCPON		= 0x1000,
316 	RXWBFLAG_UDPON		= 0x0800,
317 	RXWBFLAG_IPCS		= 0x0400,
318 	RXWBFLAG_TCPCS		= 0x0200,
319 	RXWBFLAG_UDPCS		= 0x0100,
320 	RXWBFLAG_TAGON		= 0x0080,
321 	RXWBFLAG_IPV4		= 0x0040,
322 	RXWBFLAG_IPV6		= 0x0020,
323 	RXWBFLAG_PAUSE		= 0x0010,
324 	RXWBFLAG_MAGIC		= 0x0008,
325 	RXWBFLAG_WAKEUP		= 0x0004,
326 	RXWBFLAG_DEST		= 0x0003,
327 	RXWBFLAG_DEST_UNI	= 0x0001,
328 	RXWBFLAG_DEST_MUL	= 0x0002,
329 	RXWBFLAG_DEST_BRO	= 0x0003,
330 };
331 
332 enum jme_rxwbdesc_desccnt_mask {
333 	RXWBDCNT_WBCPL	= 0x80,
334 	RXWBDCNT_DCNT	= 0x7F,
335 };
336 
337 enum jme_rxwbdesc_errstat_bits {
338 	RXWBERR_LIMIT	= 0x80,
339 	RXWBERR_MIIER	= 0x40,
340 	RXWBERR_NIBON	= 0x20,
341 	RXWBERR_COLON	= 0x10,
342 	RXWBERR_ABORT	= 0x08,
343 	RXWBERR_SHORT	= 0x04,
344 	RXWBERR_OVERUN	= 0x02,
345 	RXWBERR_CRCERR	= 0x01,
346 	RXWBERR_ALLERR	= 0xFF,
347 };
348 
349 /*
350  * Buffer information corresponding to ring descriptors.
351  */
352 struct jme_buffer_info {
353 	struct sk_buff *skb;
354 	dma_addr_t mapping;
355 	int len;
356 	int nr_desc;
357 	unsigned long start_xmit;
358 };
359 
360 /*
361  * The structure holding buffer information and ring descriptors all together.
362  */
363 struct jme_ring {
364 	void *alloc;		/* pointer to allocated memory */
365 	void *desc;		/* pointer to ring memory  */
366 	dma_addr_t dmaalloc;	/* phys address of ring alloc */
367 	dma_addr_t dma;		/* phys address for ring dma */
368 
369 	/* Buffer information corresponding to each descriptor */
370 	struct jme_buffer_info *bufinf;
371 
372 	int next_to_use;
373 	atomic_t next_to_clean;
374 	atomic_t nr_free;
375 };
376 
377 #define NET_STAT(priv) (priv->dev->stats)
378 #define NETDEV_GET_STATS(netdev, fun_ptr)
379 #define DECLARE_NET_DEVICE_STATS
380 
381 #define DECLARE_NAPI_STRUCT struct napi_struct napi;
382 #define NETIF_NAPI_SET(dev, napis, pollfn, q) \
383 	netif_napi_add(dev, napis, pollfn, q);
384 #define JME_NAPI_HOLDER(holder) struct napi_struct *holder
385 #define JME_NAPI_WEIGHT(w) int w
386 #define JME_NAPI_WEIGHT_VAL(w) w
387 #define JME_NAPI_WEIGHT_SET(w, r)
388 #define JME_RX_COMPLETE(dev, napis) napi_complete(napis)
389 #define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
390 #define JME_NAPI_DISABLE(priv) \
391 	if (!napi_disable_pending(&priv->napi)) \
392 		napi_disable(&priv->napi);
393 #define JME_RX_SCHEDULE_PREP(priv) \
394 	napi_schedule_prep(&priv->napi)
395 #define JME_RX_SCHEDULE(priv) \
396 	__napi_schedule(&priv->napi);
397 
398 /*
399  * Jmac Adapter Private data
400  */
401 struct jme_adapter {
402 	struct pci_dev          *pdev;
403 	struct net_device       *dev;
404 	void __iomem            *regs;
405 	struct mii_if_info	mii_if;
406 	struct jme_ring		rxring[RX_RING_NR];
407 	struct jme_ring		txring[TX_RING_NR];
408 	spinlock_t		phy_lock;
409 	spinlock_t		macaddr_lock;
410 	spinlock_t		rxmcs_lock;
411 	struct tasklet_struct	rxempty_task;
412 	struct tasklet_struct	rxclean_task;
413 	struct tasklet_struct	txclean_task;
414 	struct tasklet_struct	linkch_task;
415 	struct tasklet_struct	pcc_task;
416 	unsigned long		flags;
417 	u32			reg_txcs;
418 	u32			reg_txpfc;
419 	u32			reg_rxcs;
420 	u32			reg_rxmcs;
421 	u32			reg_ghc;
422 	u32			reg_pmcs;
423 	u32			reg_gpreg1;
424 	u32			phylink;
425 	u32			tx_ring_size;
426 	u32			tx_ring_mask;
427 	u32			tx_wake_threshold;
428 	u32			rx_ring_size;
429 	u32			rx_ring_mask;
430 	u8			mrrs;
431 	unsigned int		fpgaver;
432 	u8			chiprev;
433 	u8			chip_main_rev;
434 	u8			chip_sub_rev;
435 	u8			pcirev;
436 	u32			msg_enable;
437 	struct ethtool_link_ksettings old_cmd;
438 	unsigned int		old_mtu;
439 	struct dynpcc_info	dpi;
440 	atomic_t		intr_sem;
441 	atomic_t		link_changing;
442 	atomic_t		tx_cleaning;
443 	atomic_t		rx_cleaning;
444 	atomic_t		rx_empty;
445 	int			(*jme_rx)(struct sk_buff *skb);
446 	DECLARE_NAPI_STRUCT
447 	DECLARE_NET_DEVICE_STATS
448 };
449 
450 enum jme_flags_bits {
451 	JME_FLAG_MSI		= 1,
452 	JME_FLAG_SSET		= 2,
453 	JME_FLAG_POLL		= 5,
454 	JME_FLAG_SHUTDOWN	= 6,
455 };
456 
457 #define TX_TIMEOUT		(5 * HZ)
458 #define JME_REG_LEN		0x500
459 #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216
460 
461 static inline struct jme_adapter*
462 jme_napi_priv(struct napi_struct *napi)
463 {
464 	struct jme_adapter *jme;
465 	jme = container_of(napi, struct jme_adapter, napi);
466 	return jme;
467 }
468 
469 /*
470  * MMaped I/O Resters
471  */
472 enum jme_iomap_offsets {
473 	JME_MAC		= 0x0000,
474 	JME_PHY		= 0x0400,
475 	JME_MISC	= 0x0800,
476 	JME_RSS		= 0x0C00,
477 };
478 
479 enum jme_iomap_lens {
480 	JME_MAC_LEN	= 0x80,
481 	JME_PHY_LEN	= 0x58,
482 	JME_MISC_LEN	= 0x98,
483 	JME_RSS_LEN	= 0xFF,
484 };
485 
486 enum jme_iomap_regs {
487 	JME_TXCS	= JME_MAC | 0x00, /* Transmit Control and Status */
488 	JME_TXDBA_LO	= JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
489 	JME_TXDBA_HI	= JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
490 	JME_TXQDC	= JME_MAC | 0x0C, /* Transmit Queue Desc Count */
491 	JME_TXNDA	= JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
492 	JME_TXMCS	= JME_MAC | 0x14, /* Transmit MAC Control Status */
493 	JME_TXPFC	= JME_MAC | 0x18, /* Transmit Pause Frame Control */
494 	JME_TXTRHD	= JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */
495 
496 	JME_RXCS	= JME_MAC | 0x20, /* Receive Control and Status */
497 	JME_RXDBA_LO	= JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
498 	JME_RXDBA_HI	= JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
499 	JME_RXQDC	= JME_MAC | 0x2C, /* Receive Queue Desc Count */
500 	JME_RXNDA	= JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
501 	JME_RXMCS	= JME_MAC | 0x34, /* Receive MAC Control Status */
502 	JME_RXUMA_LO	= JME_MAC | 0x38, /* Receive Unicast MAC Address */
503 	JME_RXUMA_HI	= JME_MAC | 0x3C, /* Receive Unicast MAC Address */
504 	JME_RXMCHT_LO	= JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
505 	JME_RXMCHT_HI	= JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
506 	JME_WFODP	= JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
507 	JME_WFOI	= JME_MAC | 0x4C, /* Wakeup Frame Output Interface */
508 
509 	JME_SMI		= JME_MAC | 0x50, /* Station Management Interface */
510 	JME_GHC		= JME_MAC | 0x54, /* Global Host Control */
511 	JME_PMCS	= JME_MAC | 0x60, /* Power Management Control/Stat */
512 
513 
514 	JME_PHY_PWR	= JME_PHY | 0x24, /* New PHY Power Ctrl Register */
515 	JME_PHY_CS	= JME_PHY | 0x28, /* PHY Ctrl and Status Register */
516 	JME_PHY_LINK	= JME_PHY | 0x30, /* PHY Link Status Register */
517 	JME_SMBCSR	= JME_PHY | 0x40, /* SMB Control and Status */
518 	JME_SMBINTF	= JME_PHY | 0x44, /* SMB Interface */
519 
520 
521 	JME_TMCSR	= JME_MISC | 0x00, /* Timer Control/Status Register */
522 	JME_GPREG0	= JME_MISC | 0x08, /* General purpose REG-0 */
523 	JME_GPREG1	= JME_MISC | 0x0C, /* General purpose REG-1 */
524 	JME_IEVE	= JME_MISC | 0x20, /* Interrupt Event Status */
525 	JME_IREQ	= JME_MISC | 0x24, /* Intr Req Status(For Debug) */
526 	JME_IENS	= JME_MISC | 0x28, /* Intr Enable - Setting Port */
527 	JME_IENC	= JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */
528 	JME_PCCRX0	= JME_MISC | 0x30, /* PCC Control for RX Queue 0 */
529 	JME_PCCTX	= JME_MISC | 0x40, /* PCC Control for TX Queues */
530 	JME_CHIPMODE	= JME_MISC | 0x44, /* Identify FPGA Version */
531 	JME_SHBA_HI	= JME_MISC | 0x48, /* Shadow Register Base HI */
532 	JME_SHBA_LO	= JME_MISC | 0x4C, /* Shadow Register Base LO */
533 	JME_TIMER1	= JME_MISC | 0x70, /* Timer1 */
534 	JME_TIMER2	= JME_MISC | 0x74, /* Timer2 */
535 	JME_APMC	= JME_MISC | 0x7C, /* Aggressive Power Mode Control */
536 	JME_PCCSRX0	= JME_MISC | 0x80, /* PCC Status of RX0 */
537 };
538 
539 /*
540  * TX Control/Status Bits
541  */
542 enum jme_txcs_bits {
543 	TXCS_QUEUE7S	= 0x00008000,
544 	TXCS_QUEUE6S	= 0x00004000,
545 	TXCS_QUEUE5S	= 0x00002000,
546 	TXCS_QUEUE4S	= 0x00001000,
547 	TXCS_QUEUE3S	= 0x00000800,
548 	TXCS_QUEUE2S	= 0x00000400,
549 	TXCS_QUEUE1S	= 0x00000200,
550 	TXCS_QUEUE0S	= 0x00000100,
551 	TXCS_FIFOTH	= 0x000000C0,
552 	TXCS_DMASIZE	= 0x00000030,
553 	TXCS_BURST	= 0x00000004,
554 	TXCS_ENABLE	= 0x00000001,
555 };
556 
557 enum jme_txcs_value {
558 	TXCS_FIFOTH_16QW	= 0x000000C0,
559 	TXCS_FIFOTH_12QW	= 0x00000080,
560 	TXCS_FIFOTH_8QW		= 0x00000040,
561 	TXCS_FIFOTH_4QW		= 0x00000000,
562 
563 	TXCS_DMASIZE_64B	= 0x00000000,
564 	TXCS_DMASIZE_128B	= 0x00000010,
565 	TXCS_DMASIZE_256B	= 0x00000020,
566 	TXCS_DMASIZE_512B	= 0x00000030,
567 
568 	TXCS_SELECT_QUEUE0	= 0x00000000,
569 	TXCS_SELECT_QUEUE1	= 0x00010000,
570 	TXCS_SELECT_QUEUE2	= 0x00020000,
571 	TXCS_SELECT_QUEUE3	= 0x00030000,
572 	TXCS_SELECT_QUEUE4	= 0x00040000,
573 	TXCS_SELECT_QUEUE5	= 0x00050000,
574 	TXCS_SELECT_QUEUE6	= 0x00060000,
575 	TXCS_SELECT_QUEUE7	= 0x00070000,
576 
577 	TXCS_DEFAULT		= TXCS_FIFOTH_4QW |
578 				  TXCS_BURST,
579 };
580 
581 #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
582 
583 /*
584  * TX MAC Control/Status Bits
585  */
586 enum jme_txmcs_bit_masks {
587 	TXMCS_IFG2		= 0xC0000000,
588 	TXMCS_IFG1		= 0x30000000,
589 	TXMCS_TTHOLD		= 0x00000300,
590 	TXMCS_FBURST		= 0x00000080,
591 	TXMCS_CARRIEREXT	= 0x00000040,
592 	TXMCS_DEFER		= 0x00000020,
593 	TXMCS_BACKOFF		= 0x00000010,
594 	TXMCS_CARRIERSENSE	= 0x00000008,
595 	TXMCS_COLLISION		= 0x00000004,
596 	TXMCS_CRC		= 0x00000002,
597 	TXMCS_PADDING		= 0x00000001,
598 };
599 
600 enum jme_txmcs_values {
601 	TXMCS_IFG2_6_4		= 0x00000000,
602 	TXMCS_IFG2_8_5		= 0x40000000,
603 	TXMCS_IFG2_10_6		= 0x80000000,
604 	TXMCS_IFG2_12_7		= 0xC0000000,
605 
606 	TXMCS_IFG1_8_4		= 0x00000000,
607 	TXMCS_IFG1_12_6		= 0x10000000,
608 	TXMCS_IFG1_16_8		= 0x20000000,
609 	TXMCS_IFG1_20_10	= 0x30000000,
610 
611 	TXMCS_TTHOLD_1_8	= 0x00000000,
612 	TXMCS_TTHOLD_1_4	= 0x00000100,
613 	TXMCS_TTHOLD_1_2	= 0x00000200,
614 	TXMCS_TTHOLD_FULL	= 0x00000300,
615 
616 	TXMCS_DEFAULT		= TXMCS_IFG2_8_5 |
617 				  TXMCS_IFG1_16_8 |
618 				  TXMCS_TTHOLD_FULL |
619 				  TXMCS_DEFER |
620 				  TXMCS_CRC |
621 				  TXMCS_PADDING,
622 };
623 
624 enum jme_txpfc_bits_masks {
625 	TXPFC_VLAN_TAG		= 0xFFFF0000,
626 	TXPFC_VLAN_EN		= 0x00008000,
627 	TXPFC_PF_EN		= 0x00000001,
628 };
629 
630 enum jme_txtrhd_bits_masks {
631 	TXTRHD_TXPEN		= 0x80000000,
632 	TXTRHD_TXP		= 0x7FFFFF00,
633 	TXTRHD_TXREN		= 0x00000080,
634 	TXTRHD_TXRL		= 0x0000007F,
635 };
636 
637 enum jme_txtrhd_shifts {
638 	TXTRHD_TXP_SHIFT	= 8,
639 	TXTRHD_TXRL_SHIFT	= 0,
640 };
641 
642 enum jme_txtrhd_values {
643 	TXTRHD_FULLDUPLEX	= 0x00000000,
644 	TXTRHD_HALFDUPLEX	= TXTRHD_TXPEN |
645 				  ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) |
646 				  TXTRHD_TXREN |
647 				  ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL),
648 };
649 
650 /*
651  * RX Control/Status Bits
652  */
653 enum jme_rxcs_bit_masks {
654 	/* FIFO full threshold for transmitting Tx Pause Packet */
655 	RXCS_FIFOTHTP	= 0x30000000,
656 	/* FIFO threshold for processing next packet */
657 	RXCS_FIFOTHNP	= 0x0C000000,
658 	RXCS_DMAREQSZ	= 0x03000000, /* DMA Request Size */
659 	RXCS_QUEUESEL	= 0x00030000, /* Queue selection */
660 	RXCS_RETRYGAP	= 0x0000F000, /* RX Desc full retry gap */
661 	RXCS_RETRYCNT	= 0x00000F00, /* RX Desc full retry counter */
662 	RXCS_WAKEUP	= 0x00000040, /* Enable receive wakeup packet */
663 	RXCS_MAGIC	= 0x00000020, /* Enable receive magic packet */
664 	RXCS_SHORT	= 0x00000010, /* Enable receive short packet */
665 	RXCS_ABORT	= 0x00000008, /* Enable receive errorr packet */
666 	RXCS_QST	= 0x00000004, /* Receive queue start */
667 	RXCS_SUSPEND	= 0x00000002,
668 	RXCS_ENABLE	= 0x00000001,
669 };
670 
671 enum jme_rxcs_values {
672 	RXCS_FIFOTHTP_16T	= 0x00000000,
673 	RXCS_FIFOTHTP_32T	= 0x10000000,
674 	RXCS_FIFOTHTP_64T	= 0x20000000,
675 	RXCS_FIFOTHTP_128T	= 0x30000000,
676 
677 	RXCS_FIFOTHNP_16QW	= 0x00000000,
678 	RXCS_FIFOTHNP_32QW	= 0x04000000,
679 	RXCS_FIFOTHNP_64QW	= 0x08000000,
680 	RXCS_FIFOTHNP_128QW	= 0x0C000000,
681 
682 	RXCS_DMAREQSZ_16B	= 0x00000000,
683 	RXCS_DMAREQSZ_32B	= 0x01000000,
684 	RXCS_DMAREQSZ_64B	= 0x02000000,
685 	RXCS_DMAREQSZ_128B	= 0x03000000,
686 
687 	RXCS_QUEUESEL_Q0	= 0x00000000,
688 	RXCS_QUEUESEL_Q1	= 0x00010000,
689 	RXCS_QUEUESEL_Q2	= 0x00020000,
690 	RXCS_QUEUESEL_Q3	= 0x00030000,
691 
692 	RXCS_RETRYGAP_256ns	= 0x00000000,
693 	RXCS_RETRYGAP_512ns	= 0x00001000,
694 	RXCS_RETRYGAP_1024ns	= 0x00002000,
695 	RXCS_RETRYGAP_2048ns	= 0x00003000,
696 	RXCS_RETRYGAP_4096ns	= 0x00004000,
697 	RXCS_RETRYGAP_8192ns	= 0x00005000,
698 	RXCS_RETRYGAP_16384ns	= 0x00006000,
699 	RXCS_RETRYGAP_32768ns	= 0x00007000,
700 
701 	RXCS_RETRYCNT_0		= 0x00000000,
702 	RXCS_RETRYCNT_4		= 0x00000100,
703 	RXCS_RETRYCNT_8		= 0x00000200,
704 	RXCS_RETRYCNT_12	= 0x00000300,
705 	RXCS_RETRYCNT_16	= 0x00000400,
706 	RXCS_RETRYCNT_20	= 0x00000500,
707 	RXCS_RETRYCNT_24	= 0x00000600,
708 	RXCS_RETRYCNT_28	= 0x00000700,
709 	RXCS_RETRYCNT_32	= 0x00000800,
710 	RXCS_RETRYCNT_36	= 0x00000900,
711 	RXCS_RETRYCNT_40	= 0x00000A00,
712 	RXCS_RETRYCNT_44	= 0x00000B00,
713 	RXCS_RETRYCNT_48	= 0x00000C00,
714 	RXCS_RETRYCNT_52	= 0x00000D00,
715 	RXCS_RETRYCNT_56	= 0x00000E00,
716 	RXCS_RETRYCNT_60	= 0x00000F00,
717 
718 	RXCS_DEFAULT		= RXCS_FIFOTHTP_128T |
719 				  RXCS_FIFOTHNP_16QW |
720 				  RXCS_DMAREQSZ_128B |
721 				  RXCS_RETRYGAP_256ns |
722 				  RXCS_RETRYCNT_32,
723 };
724 
725 #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
726 
727 /*
728  * RX MAC Control/Status Bits
729  */
730 enum jme_rxmcs_bits {
731 	RXMCS_ALLFRAME		= 0x00000800,
732 	RXMCS_BRDFRAME		= 0x00000400,
733 	RXMCS_MULFRAME		= 0x00000200,
734 	RXMCS_UNIFRAME		= 0x00000100,
735 	RXMCS_ALLMULFRAME	= 0x00000080,
736 	RXMCS_MULFILTERED	= 0x00000040,
737 	RXMCS_RXCOLLDEC		= 0x00000020,
738 	RXMCS_FLOWCTRL		= 0x00000008,
739 	RXMCS_VTAGRM		= 0x00000004,
740 	RXMCS_PREPAD		= 0x00000002,
741 	RXMCS_CHECKSUM		= 0x00000001,
742 
743 	RXMCS_DEFAULT		= RXMCS_VTAGRM |
744 				  RXMCS_PREPAD |
745 				  RXMCS_FLOWCTRL |
746 				  RXMCS_CHECKSUM,
747 };
748 
749 /*	Extern PHY common register 2	*/
750 
751 #define PHY_GAD_TEST_MODE_1			0x00002000
752 #define PHY_GAD_TEST_MODE_MSK			0x0000E000
753 #define JM_PHY_SPEC_REG_READ			0x00004000
754 #define JM_PHY_SPEC_REG_WRITE			0x00008000
755 #define PHY_CALIBRATION_DELAY			20
756 #define JM_PHY_SPEC_ADDR_REG			0x1E
757 #define JM_PHY_SPEC_DATA_REG			0x1F
758 
759 #define JM_PHY_EXT_COMM_0_REG			0x30
760 #define JM_PHY_EXT_COMM_1_REG			0x31
761 #define JM_PHY_EXT_COMM_2_REG			0x32
762 #define JM_PHY_EXT_COMM_2_CALI_ENABLE		0x01
763 #define JM_PHY_EXT_COMM_2_CALI_MODE_0		0x02
764 #define JM_PHY_EXT_COMM_2_CALI_LATCH		0x10
765 #define PCI_PRIV_SHARE_NICCTRL			0xF5
766 #define JME_FLAG_PHYEA_ENABLE			0x2
767 
768 /*
769  * Wakeup Frame setup interface registers
770  */
771 #define WAKEUP_FRAME_NR	8
772 #define WAKEUP_FRAME_MASK_DWNR	4
773 
774 enum jme_wfoi_bit_masks {
775 	WFOI_MASK_SEL		= 0x00000070,
776 	WFOI_CRC_SEL		= 0x00000008,
777 	WFOI_FRAME_SEL		= 0x00000007,
778 };
779 
780 enum jme_wfoi_shifts {
781 	WFOI_MASK_SHIFT		= 4,
782 };
783 
784 /*
785  * SMI Related definitions
786  */
787 enum jme_smi_bit_mask {
788 	SMI_DATA_MASK		= 0xFFFF0000,
789 	SMI_REG_ADDR_MASK	= 0x0000F800,
790 	SMI_PHY_ADDR_MASK	= 0x000007C0,
791 	SMI_OP_WRITE		= 0x00000020,
792 	/* Set to 1, after req done it'll be cleared to 0 */
793 	SMI_OP_REQ		= 0x00000010,
794 	SMI_OP_MDIO		= 0x00000008, /* Software assess In/Out */
795 	SMI_OP_MDOE		= 0x00000004, /* Software Output Enable */
796 	SMI_OP_MDC		= 0x00000002, /* Software CLK Control */
797 	SMI_OP_MDEN		= 0x00000001, /* Software access Enable */
798 };
799 
800 enum jme_smi_bit_shift {
801 	SMI_DATA_SHIFT		= 16,
802 	SMI_REG_ADDR_SHIFT	= 11,
803 	SMI_PHY_ADDR_SHIFT	= 6,
804 };
805 
806 static inline u32 smi_reg_addr(int x)
807 {
808 	return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
809 }
810 
811 static inline u32 smi_phy_addr(int x)
812 {
813 	return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK;
814 }
815 
816 #define JME_PHY_TIMEOUT 100 /* 100 msec */
817 #define JME_PHY_REG_NR 32
818 
819 /*
820  * Global Host Control
821  */
822 enum jme_ghc_bit_mask {
823 	GHC_SWRST		= 0x40000000,
824 	GHC_TO_CLK_SRC		= 0x00C00000,
825 	GHC_TXMAC_CLK_SRC	= 0x00300000,
826 	GHC_DPX			= 0x00000040,
827 	GHC_SPEED		= 0x00000030,
828 	GHC_LINK_POLL		= 0x00000001,
829 };
830 
831 enum jme_ghc_speed_val {
832 	GHC_SPEED_10M		= 0x00000010,
833 	GHC_SPEED_100M		= 0x00000020,
834 	GHC_SPEED_1000M		= 0x00000030,
835 };
836 
837 enum jme_ghc_to_clk {
838 	GHC_TO_CLK_OFF		= 0x00000000,
839 	GHC_TO_CLK_GPHY		= 0x00400000,
840 	GHC_TO_CLK_PCIE		= 0x00800000,
841 	GHC_TO_CLK_INVALID	= 0x00C00000,
842 };
843 
844 enum jme_ghc_txmac_clk {
845 	GHC_TXMAC_CLK_OFF	= 0x00000000,
846 	GHC_TXMAC_CLK_GPHY	= 0x00100000,
847 	GHC_TXMAC_CLK_PCIE	= 0x00200000,
848 	GHC_TXMAC_CLK_INVALID	= 0x00300000,
849 };
850 
851 /*
852  * Power management control and status register
853  */
854 enum jme_pmcs_bit_masks {
855 	PMCS_STMASK	= 0xFFFF0000,
856 	PMCS_WF7DET	= 0x80000000,
857 	PMCS_WF6DET	= 0x40000000,
858 	PMCS_WF5DET	= 0x20000000,
859 	PMCS_WF4DET	= 0x10000000,
860 	PMCS_WF3DET	= 0x08000000,
861 	PMCS_WF2DET	= 0x04000000,
862 	PMCS_WF1DET	= 0x02000000,
863 	PMCS_WF0DET	= 0x01000000,
864 	PMCS_LFDET	= 0x00040000,
865 	PMCS_LRDET	= 0x00020000,
866 	PMCS_MFDET	= 0x00010000,
867 	PMCS_ENMASK	= 0x0000FFFF,
868 	PMCS_WF7EN	= 0x00008000,
869 	PMCS_WF6EN	= 0x00004000,
870 	PMCS_WF5EN	= 0x00002000,
871 	PMCS_WF4EN	= 0x00001000,
872 	PMCS_WF3EN	= 0x00000800,
873 	PMCS_WF2EN	= 0x00000400,
874 	PMCS_WF1EN	= 0x00000200,
875 	PMCS_WF0EN	= 0x00000100,
876 	PMCS_LFEN	= 0x00000004,
877 	PMCS_LREN	= 0x00000002,
878 	PMCS_MFEN	= 0x00000001,
879 };
880 
881 /*
882  * New PHY Power Control Register
883  */
884 enum jme_phy_pwr_bit_masks {
885 	PHY_PWR_DWN1SEL	= 0x01000000, /* Phy_giga.p_PWR_DOWN1_SEL */
886 	PHY_PWR_DWN1SW	= 0x02000000, /* Phy_giga.p_PWR_DOWN1_SW */
887 	PHY_PWR_DWN2	= 0x04000000, /* Phy_giga.p_PWR_DOWN2 */
888 	PHY_PWR_CLKSEL	= 0x08000000, /*
889 				       * XTL_OUT Clock select
890 				       * (an internal free-running clock)
891 				       * 0: xtl_out = phy_giga.A_XTL25_O
892 				       * 1: xtl_out = phy_giga.PD_OSC
893 				       */
894 };
895 
896 /*
897  * Giga PHY Status Registers
898  */
899 enum jme_phy_link_bit_mask {
900 	PHY_LINK_SPEED_MASK		= 0x0000C000,
901 	PHY_LINK_DUPLEX			= 0x00002000,
902 	PHY_LINK_SPEEDDPU_RESOLVED	= 0x00000800,
903 	PHY_LINK_UP			= 0x00000400,
904 	PHY_LINK_AUTONEG_COMPLETE	= 0x00000200,
905 	PHY_LINK_MDI_STAT		= 0x00000040,
906 };
907 
908 enum jme_phy_link_speed_val {
909 	PHY_LINK_SPEED_10M		= 0x00000000,
910 	PHY_LINK_SPEED_100M		= 0x00004000,
911 	PHY_LINK_SPEED_1000M		= 0x00008000,
912 };
913 
914 #define JME_SPDRSV_TIMEOUT	500	/* 500 us */
915 
916 /*
917  * SMB Control and Status
918  */
919 enum jme_smbcsr_bit_mask {
920 	SMBCSR_CNACK	= 0x00020000,
921 	SMBCSR_RELOAD	= 0x00010000,
922 	SMBCSR_EEPROMD	= 0x00000020,
923 	SMBCSR_INITDONE	= 0x00000010,
924 	SMBCSR_BUSY	= 0x0000000F,
925 };
926 
927 enum jme_smbintf_bit_mask {
928 	SMBINTF_HWDATR	= 0xFF000000,
929 	SMBINTF_HWDATW	= 0x00FF0000,
930 	SMBINTF_HWADDR	= 0x0000FF00,
931 	SMBINTF_HWRWN	= 0x00000020,
932 	SMBINTF_HWCMD	= 0x00000010,
933 	SMBINTF_FASTM	= 0x00000008,
934 	SMBINTF_GPIOSCL	= 0x00000004,
935 	SMBINTF_GPIOSDA	= 0x00000002,
936 	SMBINTF_GPIOEN	= 0x00000001,
937 };
938 
939 enum jme_smbintf_vals {
940 	SMBINTF_HWRWN_READ	= 0x00000020,
941 	SMBINTF_HWRWN_WRITE	= 0x00000000,
942 };
943 
944 enum jme_smbintf_shifts {
945 	SMBINTF_HWDATR_SHIFT	= 24,
946 	SMBINTF_HWDATW_SHIFT	= 16,
947 	SMBINTF_HWADDR_SHIFT	= 8,
948 };
949 
950 #define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
951 #define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
952 #define JME_SMB_LEN 256
953 #define JME_EEPROM_MAGIC 0x250
954 
955 /*
956  * Timer Control/Status Register
957  */
958 enum jme_tmcsr_bit_masks {
959 	TMCSR_SWIT	= 0x80000000,
960 	TMCSR_EN	= 0x01000000,
961 	TMCSR_CNT	= 0x00FFFFFF,
962 };
963 
964 /*
965  * General Purpose REG-0
966  */
967 enum jme_gpreg0_masks {
968 	GPREG0_DISSH		= 0xFF000000,
969 	GPREG0_PCIRLMT		= 0x00300000,
970 	GPREG0_PCCNOMUTCLR	= 0x00040000,
971 	GPREG0_LNKINTPOLL	= 0x00001000,
972 	GPREG0_PCCTMR		= 0x00000300,
973 	GPREG0_PHYADDR		= 0x0000001F,
974 };
975 
976 enum jme_gpreg0_vals {
977 	GPREG0_DISSH_DW7	= 0x80000000,
978 	GPREG0_DISSH_DW6	= 0x40000000,
979 	GPREG0_DISSH_DW5	= 0x20000000,
980 	GPREG0_DISSH_DW4	= 0x10000000,
981 	GPREG0_DISSH_DW3	= 0x08000000,
982 	GPREG0_DISSH_DW2	= 0x04000000,
983 	GPREG0_DISSH_DW1	= 0x02000000,
984 	GPREG0_DISSH_DW0	= 0x01000000,
985 	GPREG0_DISSH_ALL	= 0xFF000000,
986 
987 	GPREG0_PCIRLMT_8	= 0x00000000,
988 	GPREG0_PCIRLMT_6	= 0x00100000,
989 	GPREG0_PCIRLMT_5	= 0x00200000,
990 	GPREG0_PCIRLMT_4	= 0x00300000,
991 
992 	GPREG0_PCCTMR_16ns	= 0x00000000,
993 	GPREG0_PCCTMR_256ns	= 0x00000100,
994 	GPREG0_PCCTMR_1us	= 0x00000200,
995 	GPREG0_PCCTMR_1ms	= 0x00000300,
996 
997 	GPREG0_PHYADDR_1	= 0x00000001,
998 
999 	GPREG0_DEFAULT		= GPREG0_PCIRLMT_4 |
1000 				  GPREG0_PCCTMR_1us |
1001 				  GPREG0_PHYADDR_1,
1002 };
1003 
1004 /*
1005  * General Purpose REG-1
1006  */
1007 enum jme_gpreg1_bit_masks {
1008 	GPREG1_RXCLKOFF		= 0x04000000,
1009 	GPREG1_PCREQN		= 0x00020000,
1010 	GPREG1_HALFMODEPATCH	= 0x00000040, /* For Chip revision 0x11 only */
1011 	GPREG1_RSSPATCH		= 0x00000020, /* For Chip revision 0x11 only */
1012 	GPREG1_INTRDELAYUNIT	= 0x00000018,
1013 	GPREG1_INTRDELAYENABLE	= 0x00000007,
1014 };
1015 
1016 enum jme_gpreg1_vals {
1017 	GPREG1_INTDLYUNIT_16NS	= 0x00000000,
1018 	GPREG1_INTDLYUNIT_256NS	= 0x00000008,
1019 	GPREG1_INTDLYUNIT_1US	= 0x00000010,
1020 	GPREG1_INTDLYUNIT_16US	= 0x00000018,
1021 
1022 	GPREG1_INTDLYEN_1U	= 0x00000001,
1023 	GPREG1_INTDLYEN_2U	= 0x00000002,
1024 	GPREG1_INTDLYEN_3U	= 0x00000003,
1025 	GPREG1_INTDLYEN_4U	= 0x00000004,
1026 	GPREG1_INTDLYEN_5U	= 0x00000005,
1027 	GPREG1_INTDLYEN_6U	= 0x00000006,
1028 	GPREG1_INTDLYEN_7U	= 0x00000007,
1029 
1030 	GPREG1_DEFAULT		= GPREG1_PCREQN,
1031 };
1032 
1033 /*
1034  * Interrupt Status Bits
1035  */
1036 enum jme_interrupt_bits {
1037 	INTR_SWINTR	= 0x80000000,
1038 	INTR_TMINTR	= 0x40000000,
1039 	INTR_LINKCH	= 0x20000000,
1040 	INTR_PAUSERCV	= 0x10000000,
1041 	INTR_MAGICRCV	= 0x08000000,
1042 	INTR_WAKERCV	= 0x04000000,
1043 	INTR_PCCRX0TO	= 0x02000000,
1044 	INTR_PCCRX1TO	= 0x01000000,
1045 	INTR_PCCRX2TO	= 0x00800000,
1046 	INTR_PCCRX3TO	= 0x00400000,
1047 	INTR_PCCTXTO	= 0x00200000,
1048 	INTR_PCCRX0	= 0x00100000,
1049 	INTR_PCCRX1	= 0x00080000,
1050 	INTR_PCCRX2	= 0x00040000,
1051 	INTR_PCCRX3	= 0x00020000,
1052 	INTR_PCCTX	= 0x00010000,
1053 	INTR_RX3EMP	= 0x00008000,
1054 	INTR_RX2EMP	= 0x00004000,
1055 	INTR_RX1EMP	= 0x00002000,
1056 	INTR_RX0EMP	= 0x00001000,
1057 	INTR_RX3	= 0x00000800,
1058 	INTR_RX2	= 0x00000400,
1059 	INTR_RX1	= 0x00000200,
1060 	INTR_RX0	= 0x00000100,
1061 	INTR_TX7	= 0x00000080,
1062 	INTR_TX6	= 0x00000040,
1063 	INTR_TX5	= 0x00000020,
1064 	INTR_TX4	= 0x00000010,
1065 	INTR_TX3	= 0x00000008,
1066 	INTR_TX2	= 0x00000004,
1067 	INTR_TX1	= 0x00000002,
1068 	INTR_TX0	= 0x00000001,
1069 };
1070 
1071 static const u32 INTR_ENABLE = INTR_SWINTR |
1072 				 INTR_TMINTR |
1073 				 INTR_LINKCH |
1074 				 INTR_PCCRX0TO |
1075 				 INTR_PCCRX0 |
1076 				 INTR_PCCTXTO |
1077 				 INTR_PCCTX |
1078 				 INTR_RX0EMP;
1079 
1080 /*
1081  * PCC Control Registers
1082  */
1083 enum jme_pccrx_masks {
1084 	PCCRXTO_MASK	= 0xFFFF0000,
1085 	PCCRX_MASK	= 0x0000FF00,
1086 };
1087 
1088 enum jme_pcctx_masks {
1089 	PCCTXTO_MASK	= 0xFFFF0000,
1090 	PCCTX_MASK	= 0x0000FF00,
1091 	PCCTX_QS_MASK	= 0x000000FF,
1092 };
1093 
1094 enum jme_pccrx_shifts {
1095 	PCCRXTO_SHIFT	= 16,
1096 	PCCRX_SHIFT	= 8,
1097 };
1098 
1099 enum jme_pcctx_shifts {
1100 	PCCTXTO_SHIFT	= 16,
1101 	PCCTX_SHIFT	= 8,
1102 };
1103 
1104 enum jme_pcctx_bits {
1105 	PCCTXQ0_EN	= 0x00000001,
1106 	PCCTXQ1_EN	= 0x00000002,
1107 	PCCTXQ2_EN	= 0x00000004,
1108 	PCCTXQ3_EN	= 0x00000008,
1109 	PCCTXQ4_EN	= 0x00000010,
1110 	PCCTXQ5_EN	= 0x00000020,
1111 	PCCTXQ6_EN	= 0x00000040,
1112 	PCCTXQ7_EN	= 0x00000080,
1113 };
1114 
1115 /*
1116  * Chip Mode Register
1117  */
1118 enum jme_chipmode_bit_masks {
1119 	CM_FPGAVER_MASK		= 0xFFFF0000,
1120 	CM_CHIPREV_MASK		= 0x0000FF00,
1121 	CM_CHIPMODE_MASK	= 0x0000000F,
1122 };
1123 
1124 enum jme_chipmode_shifts {
1125 	CM_FPGAVER_SHIFT	= 16,
1126 	CM_CHIPREV_SHIFT	= 8,
1127 };
1128 
1129 /*
1130  * Aggressive Power Mode Control
1131  */
1132 enum jme_apmc_bits {
1133 	JME_APMC_PCIE_SD_EN	= 0x40000000,
1134 	JME_APMC_PSEUDO_HP_EN	= 0x20000000,
1135 	JME_APMC_EPIEN		= 0x04000000,
1136 	JME_APMC_EPIEN_CTRL	= 0x03000000,
1137 };
1138 
1139 enum jme_apmc_values {
1140 	JME_APMC_EPIEN_CTRL_EN	= 0x02000000,
1141 	JME_APMC_EPIEN_CTRL_DIS	= 0x01000000,
1142 };
1143 
1144 #define APMC_PHP_SHUTDOWN_DELAY	(10 * 1000 * 1000)
1145 
1146 #ifdef REG_DEBUG
1147 static char *MAC_REG_NAME[] = {
1148 	"JME_TXCS",      "JME_TXDBA_LO",  "JME_TXDBA_HI", "JME_TXQDC",
1149 	"JME_TXNDA",     "JME_TXMCS",     "JME_TXPFC",    "JME_TXTRHD",
1150 	"JME_RXCS",      "JME_RXDBA_LO",  "JME_RXDBA_HI", "JME_RXQDC",
1151 	"JME_RXNDA",     "JME_RXMCS",     "JME_RXUMA_LO", "JME_RXUMA_HI",
1152 	"JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP",    "JME_WFOI",
1153 	"JME_SMI",       "JME_GHC",       "UNKNOWN",      "UNKNOWN",
1154 	"JME_PMCS"};
1155 
1156 static char *PE_REG_NAME[] = {
1157 	"UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1158 	"UNKNOWN",      "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1159 	"UNKNOWN",      "UNKNOWN",     "JME_PHY_CS", "UNKNOWN",
1160 	"JME_PHY_LINK", "UNKNOWN",     "UNKNOWN",    "UNKNOWN",
1161 	"JME_SMBCSR",   "JME_SMBINTF"};
1162 
1163 static char *MISC_REG_NAME[] = {
1164 	"JME_TMCSR",  "JME_GPIO",     "JME_GPREG0",  "JME_GPREG1",
1165 	"JME_IEVE",   "JME_IREQ",     "JME_IENS",    "JME_IENC",
1166 	"JME_PCCRX0", "JME_PCCRX1",   "JME_PCCRX2",  "JME_PCCRX3",
1167 	"JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO",
1168 	"UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1169 	"UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1170 	"UNKNOWN",    "UNKNOWN",      "UNKNOWN",     "UNKNOWN",
1171 	"JME_TIMER1", "JME_TIMER2",   "UNKNOWN",     "JME_APMC",
1172 	"JME_PCCSRX0"};
1173 
1174 static inline void reg_dbg(const struct jme_adapter *jme,
1175 		const char *msg, u32 val, u32 reg)
1176 {
1177 	const char *regname;
1178 	switch (reg & 0xF00) {
1179 	case 0x000:
1180 		regname = MAC_REG_NAME[(reg & 0xFF) >> 2];
1181 		break;
1182 	case 0x400:
1183 		regname = PE_REG_NAME[(reg & 0xFF) >> 2];
1184 		break;
1185 	case 0x800:
1186 		regname = MISC_REG_NAME[(reg & 0xFF) >> 2];
1187 		break;
1188 	default:
1189 		regname = PE_REG_NAME[0];
1190 	}
1191 	printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name,
1192 			msg, val, regname);
1193 }
1194 #else
1195 static inline void reg_dbg(const struct jme_adapter *jme,
1196 		const char *msg, u32 val, u32 reg) {}
1197 #endif
1198 
1199 /*
1200  * Read/Write MMaped I/O Registers
1201  */
1202 static inline u32 jread32(struct jme_adapter *jme, u32 reg)
1203 {
1204 	return readl(jme->regs + reg);
1205 }
1206 
1207 static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val)
1208 {
1209 	reg_dbg(jme, "REG WRITE", val, reg);
1210 	writel(val, jme->regs + reg);
1211 	reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1212 }
1213 
1214 static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val)
1215 {
1216 	/*
1217 	 * Read after write should cause flush
1218 	 */
1219 	reg_dbg(jme, "REG WRITE FLUSH", val, reg);
1220 	writel(val, jme->regs + reg);
1221 	readl(jme->regs + reg);
1222 	reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg);
1223 }
1224 
1225 /*
1226  * PHY Regs
1227  */
1228 enum jme_phy_reg17_bit_masks {
1229 	PREG17_SPEED		= 0xC000,
1230 	PREG17_DUPLEX		= 0x2000,
1231 	PREG17_SPDRSV		= 0x0800,
1232 	PREG17_LNKUP		= 0x0400,
1233 	PREG17_MDI		= 0x0040,
1234 };
1235 
1236 enum jme_phy_reg17_vals {
1237 	PREG17_SPEED_10M	= 0x0000,
1238 	PREG17_SPEED_100M	= 0x4000,
1239 	PREG17_SPEED_1000M	= 0x8000,
1240 };
1241 
1242 #define BMSR_ANCOMP               0x0020
1243 
1244 /*
1245  * Workaround
1246  */
1247 static inline int is_buggy250(unsigned short device, u8 chiprev)
1248 {
1249 	return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
1250 }
1251 
1252 static inline int new_phy_power_ctrl(u8 chip_main_rev)
1253 {
1254 	return chip_main_rev >= 5;
1255 }
1256 
1257 /*
1258  * Function prototypes
1259  */
1260 static int jme_set_link_ksettings(struct net_device *netdev,
1261 				  const struct ethtool_link_ksettings *cmd);
1262 static void jme_set_unicastaddr(struct net_device *netdev);
1263 static void jme_set_multi(struct net_device *netdev);
1264 
1265 #endif
1266