1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
5 * Copyright 2008 JMicron Technology Corporation
6 * http://www.jmicron.com/
7 * Copyright (c) 2009 - 2010 Guo-Fu Tseng <cooldavid@cooldavid.org>
9 * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
12 #ifndef __JME_H_INCLUDED__
13 #define __JME_H_INCLUDED__
14 #include <linux/interrupt.h>
16 #define DRV_NAME "jme"
17 #define DRV_VERSION "1.0.8"
19 #define PCI_DEVICE_ID_JMICRON_JMC250 0x0250
20 #define PCI_DEVICE_ID_JMICRON_JMC260 0x0260
23 * Message related definitions
25 #define JME_DEF_MSG_ENABLE \
33 #define tx_dbg(priv, fmt, args...) \
34 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args)
36 #define tx_dbg(priv, fmt, args...) \
39 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args); \
44 * Extra PCI Configuration space interface
46 #define PCI_DCSR_MRRS 0x59
47 #define PCI_DCSR_MRRS_MASK 0x70
49 enum pci_dcsr_mrrs_vals
{
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 */
77 /* Internal use only */
81 u16 halfclk
; /* Half of clock cycle calculated from spd, in ns */
84 enum jme_spi_op_bits
{
90 #define HALF_US 500 /* 500 ns */
92 #define PCI_PRIV_PE1 0xE4
94 enum pci_priv_pe1_bit_masks
{
95 PE1_ASPMSUPRT
= 0x00000003, /*
98 * (R/W Port of 5C[11:10])
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, /*
107 * [7:6] phy_giga BG control
108 * [5] CREQ_N as CREQ_N1 (CPPE# as CREQ#)
111 PE1_GPREG0_PBG
= 0x0000C000, /* phy_giga BG control */
112 PE1_GPREG1
= 0x00FF0000, /* RW: Cfg_gp_reg1 */
113 PE1_REVID
= 0xFF000000, /* RO: Rev ID */
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 */
124 * Dynamic(adaptive)/Static PCC values
126 enum dynamic_pcc_values
{
143 unsigned long last_bytes
;
144 unsigned long last_pkts
;
145 unsigned long intr_cnt
;
147 unsigned char attempt
;
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
161 * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
163 #define RING_DESC_ALIGN 16 /* Descriptor alignment */
164 #define TX_DESC_SIZE 16
166 #define TX_RING_ALLOC_SIZE(s) ((s * TX_DESC_SIZE) + RING_DESC_ALIGN)
226 enum jme_txdesc_flags_bits
{
237 #define TXDESC_MSS_SHIFT 2
238 enum jme_txwbdesc_flags_bits
{
241 TXWBFLAG_TMOUT
= 0x20,
242 TXWBFLAG_TRYOUT
= 0x10,
245 TXWBFLAG_ALLERR
= TXWBFLAG_TMOUT
|
250 #define RX_DESC_SIZE 16
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 + \
304 enum jme_rxdesc_flags_bits
{
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,
332 enum jme_rxwbdesc_desccnt_mask
{
333 RXWBDCNT_WBCPL
= 0x80,
334 RXWBDCNT_DCNT
= 0x7F,
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,
350 * Buffer information corresponding to ring descriptors.
352 struct jme_buffer_info
{
357 unsigned long start_xmit
;
361 * The structure holding buffer information and ring descriptors all together.
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 */
369 /* Buffer information corresponding to each descriptor */
370 struct jme_buffer_info
*bufinf
;
373 atomic_t next_to_clean
;
377 #define NET_STAT(priv) (priv->dev->stats)
378 #define NETDEV_GET_STATS(netdev, fun_ptr)
379 #define DECLARE_NET_DEVICE_STATS
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);
399 * Jmac Adapter Private data
402 struct pci_dev
*pdev
;
403 struct net_device
*dev
;
405 struct mii_if_info mii_if
;
406 struct jme_ring rxring
[RX_RING_NR
];
407 struct jme_ring txring
[TX_RING_NR
];
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
;
427 u32 tx_wake_threshold
;
431 unsigned int fpgaver
;
437 struct ethtool_link_ksettings old_cmd
;
438 unsigned int old_mtu
;
439 struct dynpcc_info dpi
;
441 atomic_t link_changing
;
442 atomic_t tx_cleaning
;
443 atomic_t rx_cleaning
;
445 int (*jme_rx
)(struct sk_buff
*skb
);
447 DECLARE_NET_DEVICE_STATS
450 enum jme_flags_bits
{
454 JME_FLAG_SHUTDOWN
= 6,
457 #define TX_TIMEOUT (5 * HZ)
458 #define JME_REG_LEN 0x500
459 #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216
461 static inline struct jme_adapter
*
462 jme_napi_priv(struct napi_struct
*napi
)
464 struct jme_adapter
*jme
;
465 jme
= container_of(napi
, struct jme_adapter
, napi
);
472 enum jme_iomap_offsets
{
479 enum jme_iomap_lens
{
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 */
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 */
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 */
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 */
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 */
540 * TX Control/Status 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,
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,
563 TXCS_DMASIZE_64B
= 0x00000000,
564 TXCS_DMASIZE_128B
= 0x00000010,
565 TXCS_DMASIZE_256B
= 0x00000020,
566 TXCS_DMASIZE_512B
= 0x00000030,
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,
577 TXCS_DEFAULT
= TXCS_FIFOTH_4QW
|
581 #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
584 * TX MAC Control/Status Bits
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,
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,
606 TXMCS_IFG1_8_4
= 0x00000000,
607 TXMCS_IFG1_12_6
= 0x10000000,
608 TXMCS_IFG1_16_8
= 0x20000000,
609 TXMCS_IFG1_20_10
= 0x30000000,
611 TXMCS_TTHOLD_1_8
= 0x00000000,
612 TXMCS_TTHOLD_1_4
= 0x00000100,
613 TXMCS_TTHOLD_1_2
= 0x00000200,
614 TXMCS_TTHOLD_FULL
= 0x00000300,
616 TXMCS_DEFAULT
= TXMCS_IFG2_8_5
|
624 enum jme_txpfc_bits_masks
{
625 TXPFC_VLAN_TAG
= 0xFFFF0000,
626 TXPFC_VLAN_EN
= 0x00008000,
627 TXPFC_PF_EN
= 0x00000001,
630 enum jme_txtrhd_bits_masks
{
631 TXTRHD_TXPEN
= 0x80000000,
632 TXTRHD_TXP
= 0x7FFFFF00,
633 TXTRHD_TXREN
= 0x00000080,
634 TXTRHD_TXRL
= 0x0000007F,
637 enum jme_txtrhd_shifts
{
638 TXTRHD_TXP_SHIFT
= 8,
639 TXTRHD_TXRL_SHIFT
= 0,
642 enum jme_txtrhd_values
{
643 TXTRHD_FULLDUPLEX
= 0x00000000,
644 TXTRHD_HALFDUPLEX
= TXTRHD_TXPEN
|
645 ((0x2000 << TXTRHD_TXP_SHIFT
) & TXTRHD_TXP
) |
647 ((8 << TXTRHD_TXRL_SHIFT
) & TXTRHD_TXRL
),
651 * RX Control/Status Bits
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,
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,
677 RXCS_FIFOTHNP_16QW
= 0x00000000,
678 RXCS_FIFOTHNP_32QW
= 0x04000000,
679 RXCS_FIFOTHNP_64QW
= 0x08000000,
680 RXCS_FIFOTHNP_128QW
= 0x0C000000,
682 RXCS_DMAREQSZ_16B
= 0x00000000,
683 RXCS_DMAREQSZ_32B
= 0x01000000,
684 RXCS_DMAREQSZ_64B
= 0x02000000,
685 RXCS_DMAREQSZ_128B
= 0x03000000,
687 RXCS_QUEUESEL_Q0
= 0x00000000,
688 RXCS_QUEUESEL_Q1
= 0x00010000,
689 RXCS_QUEUESEL_Q2
= 0x00020000,
690 RXCS_QUEUESEL_Q3
= 0x00030000,
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,
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,
718 RXCS_DEFAULT
= RXCS_FIFOTHTP_128T
|
721 RXCS_RETRYGAP_256ns
|
725 #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
728 * RX MAC Control/Status Bits
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,
743 RXMCS_DEFAULT
= RXMCS_VTAGRM
|
749 /* Extern PHY common register 2 */
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
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
769 * Wakeup Frame setup interface registers
771 #define WAKEUP_FRAME_NR 8
772 #define WAKEUP_FRAME_MASK_DWNR 4
774 enum jme_wfoi_bit_masks
{
775 WFOI_MASK_SEL
= 0x00000070,
776 WFOI_CRC_SEL
= 0x00000008,
777 WFOI_FRAME_SEL
= 0x00000007,
780 enum jme_wfoi_shifts
{
785 * SMI Related definitions
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 */
800 enum jme_smi_bit_shift
{
802 SMI_REG_ADDR_SHIFT
= 11,
803 SMI_PHY_ADDR_SHIFT
= 6,
806 static inline u32
smi_reg_addr(int x
)
808 return (x
<< SMI_REG_ADDR_SHIFT
) & SMI_REG_ADDR_MASK
;
811 static inline u32
smi_phy_addr(int x
)
813 return (x
<< SMI_PHY_ADDR_SHIFT
) & SMI_PHY_ADDR_MASK
;
816 #define JME_PHY_TIMEOUT 100 /* 100 msec */
817 #define JME_PHY_REG_NR 32
820 * Global Host Control
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,
831 enum jme_ghc_speed_val
{
832 GHC_SPEED_10M
= 0x00000010,
833 GHC_SPEED_100M
= 0x00000020,
834 GHC_SPEED_1000M
= 0x00000030,
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,
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,
852 * Power management control and status register
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,
882 * New PHY Power Control Register
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
897 * Giga PHY Status Registers
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,
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,
914 #define JME_SPDRSV_TIMEOUT 500 /* 500 us */
917 * SMB Control and Status
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,
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,
939 enum jme_smbintf_vals
{
940 SMBINTF_HWRWN_READ
= 0x00000020,
941 SMBINTF_HWRWN_WRITE
= 0x00000000,
944 enum jme_smbintf_shifts
{
945 SMBINTF_HWDATR_SHIFT
= 24,
946 SMBINTF_HWDATW_SHIFT
= 16,
947 SMBINTF_HWADDR_SHIFT
= 8,
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
956 * Timer Control/Status Register
958 enum jme_tmcsr_bit_masks
{
959 TMCSR_SWIT
= 0x80000000,
960 TMCSR_EN
= 0x01000000,
961 TMCSR_CNT
= 0x00FFFFFF,
965 * General Purpose REG-0
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,
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,
987 GPREG0_PCIRLMT_8
= 0x00000000,
988 GPREG0_PCIRLMT_6
= 0x00100000,
989 GPREG0_PCIRLMT_5
= 0x00200000,
990 GPREG0_PCIRLMT_4
= 0x00300000,
992 GPREG0_PCCTMR_16ns
= 0x00000000,
993 GPREG0_PCCTMR_256ns
= 0x00000100,
994 GPREG0_PCCTMR_1us
= 0x00000200,
995 GPREG0_PCCTMR_1ms
= 0x00000300,
997 GPREG0_PHYADDR_1
= 0x00000001,
999 GPREG0_DEFAULT
= GPREG0_PCIRLMT_4
|
1005 * General Purpose REG-1
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,
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,
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,
1030 GPREG1_DEFAULT
= GPREG1_PCREQN
,
1034 * Interrupt Status Bits
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,
1071 static const u32 INTR_ENABLE
= INTR_SWINTR
|
1081 * PCC Control Registers
1083 enum jme_pccrx_masks
{
1084 PCCRXTO_MASK
= 0xFFFF0000,
1085 PCCRX_MASK
= 0x0000FF00,
1088 enum jme_pcctx_masks
{
1089 PCCTXTO_MASK
= 0xFFFF0000,
1090 PCCTX_MASK
= 0x0000FF00,
1091 PCCTX_QS_MASK
= 0x000000FF,
1094 enum jme_pccrx_shifts
{
1099 enum jme_pcctx_shifts
{
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,
1116 * Chip Mode Register
1118 enum jme_chipmode_bit_masks
{
1119 CM_FPGAVER_MASK
= 0xFFFF0000,
1120 CM_CHIPREV_MASK
= 0x0000FF00,
1121 CM_CHIPMODE_MASK
= 0x0000000F,
1124 enum jme_chipmode_shifts
{
1125 CM_FPGAVER_SHIFT
= 16,
1126 CM_CHIPREV_SHIFT
= 8,
1130 * Aggressive Power Mode Control
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,
1139 enum jme_apmc_values
{
1140 JME_APMC_EPIEN_CTRL_EN
= 0x02000000,
1141 JME_APMC_EPIEN_CTRL_DIS
= 0x01000000,
1144 #define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000)
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",
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"};
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",
1174 static inline void reg_dbg(const struct jme_adapter
*jme
,
1175 const char *msg
, u32 val
, u32 reg
)
1177 const char *regname
;
1178 switch (reg
& 0xF00) {
1180 regname
= MAC_REG_NAME
[(reg
& 0xFF) >> 2];
1183 regname
= PE_REG_NAME
[(reg
& 0xFF) >> 2];
1186 regname
= MISC_REG_NAME
[(reg
& 0xFF) >> 2];
1189 regname
= PE_REG_NAME
[0];
1191 printk(KERN_DEBUG
"%s: %-20s %08x@%s\n", jme
->dev
->name
,
1195 static inline void reg_dbg(const struct jme_adapter
*jme
,
1196 const char *msg
, u32 val
, u32 reg
) {}
1200 * Read/Write MMaped I/O Registers
1202 static inline u32
jread32(struct jme_adapter
*jme
, u32 reg
)
1204 return readl(jme
->regs
+ reg
);
1207 static inline void jwrite32(struct jme_adapter
*jme
, u32 reg
, u32 val
)
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
);
1214 static inline void jwrite32f(struct jme_adapter
*jme
, u32 reg
, u32 val
)
1217 * Read after write should cause flush
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
);
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,
1236 enum jme_phy_reg17_vals
{
1237 PREG17_SPEED_10M
= 0x0000,
1238 PREG17_SPEED_100M
= 0x4000,
1239 PREG17_SPEED_1000M
= 0x8000,
1242 #define BMSR_ANCOMP 0x0020
1247 static inline int is_buggy250(unsigned short device
, u8 chiprev
)
1249 return device
== PCI_DEVICE_ID_JMICRON_JMC250
&& chiprev
== 0x11;
1252 static inline int new_phy_power_ctrl(u8 chip_main_rev
)
1254 return chip_main_rev
>= 5;
1258 * Function prototypes
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
);