2 * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
4 * Copyright 2008 JMicron Technology Corporation
5 * http://www.jmicron.com/
6 * Copyright (c) 2009 - 2010 Guo-Fu Tseng <cooldavid@cooldavid.org>
8 * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #ifndef __JME_H_INCLUDED__
26 #define __JME_H_INCLUDED__
27 #include <linux/interrupt.h>
29 #define DRV_NAME "jme"
30 #define DRV_VERSION "1.0.8"
31 #define PFX DRV_NAME ": "
33 #define PCI_DEVICE_ID_JMICRON_JMC250 0x0250
34 #define PCI_DEVICE_ID_JMICRON_JMC260 0x0260
37 * Message related definitions
39 #define JME_DEF_MSG_ENABLE \
47 #define tx_dbg(priv, fmt, args...) \
48 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args)
50 #define tx_dbg(priv, fmt, args...) \
53 printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args); \
58 * Extra PCI Configuration space interface
60 #define PCI_DCSR_MRRS 0x59
61 #define PCI_DCSR_MRRS_MASK 0x70
63 enum pci_dcsr_mrrs_vals
{
85 __u8 wn
; /* Number of write actions */
86 __u8 rn
; /* Number of read actions */
87 __u8 bitn
; /* Number of bits per action */
88 __u8 spd
; /* The maxim acceptable speed of controller, in MHz.*/
89 __u8 mode
; /* CPOL, CPHA, and Duplex mode of SPI */
91 /* Internal use only */
95 u16 halfclk
; /* Half of clock cycle calculated from spd, in ns */
98 enum jme_spi_op_bits
{
100 SPI_MODE_CPOL
= 0x02,
104 #define HALF_US 500 /* 500 ns */
106 #define PCI_PRIV_PE1 0xE4
108 enum pci_priv_pe1_bit_masks
{
109 PE1_ASPMSUPRT
= 0x00000003, /*
112 * (R/W Port of 5C[11:10])
114 PE1_MULTIFUN
= 0x00000004, /* RW: Multi_fun_bit */
115 PE1_RDYDMA
= 0x00000008, /* RO: ~link.rdy_for_dma */
116 PE1_ASPMOPTL
= 0x00000030, /* RW: link.rx10s_option[1:0] */
117 PE1_ASPMOPTH
= 0x000000C0, /* RW: 10_req=[3]?HW:[2] */
118 PE1_GPREG0
= 0x0000FF00, /*
121 * [7:6] phy_giga BG control
122 * [5] CREQ_N as CREQ_N1 (CPPE# as CREQ#)
125 PE1_GPREG0_PBG
= 0x0000C000, /* phy_giga BG control */
126 PE1_GPREG1
= 0x00FF0000, /* RW: Cfg_gp_reg1 */
127 PE1_REVID
= 0xFF000000, /* RO: Rev ID */
130 enum pci_priv_pe1_values
{
131 PE1_GPREG0_ENBG
= 0x00000000, /* en BG */
132 PE1_GPREG0_PDD3COLD
= 0x00004000, /* giga_PD + d3cold */
133 PE1_GPREG0_PDPCIESD
= 0x00008000, /* giga_PD + pcie_shutdown */
134 PE1_GPREG0_PDPCIEIDDQ
= 0x0000C000, /* giga_PD + pcie_iddq */
138 * Dynamic(adaptive)/Static PCC values
140 enum dynamic_pcc_values
{
157 unsigned long last_bytes
;
158 unsigned long last_pkts
;
159 unsigned long intr_cnt
;
161 unsigned char attempt
;
164 #define PCC_INTERVAL_US 100000
165 #define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US))
166 #define PCC_P3_THRESHOLD (2 * 1024 * 1024)
167 #define PCC_P2_THRESHOLD 800
168 #define PCC_INTR_THRESHOLD 800
169 #define PCC_TX_TO 1000
175 * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
177 #define RING_DESC_ALIGN 16 /* Descriptor alignment */
178 #define TX_DESC_SIZE 16
180 #define TX_RING_ALLOC_SIZE(s) ((s * TX_DESC_SIZE) + RING_DESC_ALIGN)
240 enum jme_txdesc_flags_bits
{
251 #define TXDESC_MSS_SHIFT 2
252 enum jme_txwbdesc_flags_bits
{
255 TXWBFLAG_TMOUT
= 0x20,
256 TXWBFLAG_TRYOUT
= 0x10,
259 TXWBFLAG_ALLERR
= TXWBFLAG_TMOUT
|
264 #define RX_DESC_SIZE 16
266 #define RX_RING_ALLOC_SIZE(s) ((s * RX_DESC_SIZE) + RING_DESC_ALIGN)
267 #define RX_BUF_DMA_ALIGN 8
268 #define RX_PREPAD_SIZE 10
269 #define ETH_CRC_LEN 2
270 #define RX_VLANHDR_LEN 2
271 #define RX_EXTRA_LEN (RX_PREPAD_SIZE + \
318 enum jme_rxdesc_flags_bits
{
324 enum jme_rxwbdesc_flags_bits
{
325 RXWBFLAG_OWN
= 0x8000,
326 RXWBFLAG_INT
= 0x4000,
327 RXWBFLAG_MF
= 0x2000,
328 RXWBFLAG_64BIT
= 0x2000,
329 RXWBFLAG_TCPON
= 0x1000,
330 RXWBFLAG_UDPON
= 0x0800,
331 RXWBFLAG_IPCS
= 0x0400,
332 RXWBFLAG_TCPCS
= 0x0200,
333 RXWBFLAG_UDPCS
= 0x0100,
334 RXWBFLAG_TAGON
= 0x0080,
335 RXWBFLAG_IPV4
= 0x0040,
336 RXWBFLAG_IPV6
= 0x0020,
337 RXWBFLAG_PAUSE
= 0x0010,
338 RXWBFLAG_MAGIC
= 0x0008,
339 RXWBFLAG_WAKEUP
= 0x0004,
340 RXWBFLAG_DEST
= 0x0003,
341 RXWBFLAG_DEST_UNI
= 0x0001,
342 RXWBFLAG_DEST_MUL
= 0x0002,
343 RXWBFLAG_DEST_BRO
= 0x0003,
346 enum jme_rxwbdesc_desccnt_mask
{
347 RXWBDCNT_WBCPL
= 0x80,
348 RXWBDCNT_DCNT
= 0x7F,
351 enum jme_rxwbdesc_errstat_bits
{
352 RXWBERR_LIMIT
= 0x80,
353 RXWBERR_MIIER
= 0x40,
354 RXWBERR_NIBON
= 0x20,
355 RXWBERR_COLON
= 0x10,
356 RXWBERR_ABORT
= 0x08,
357 RXWBERR_SHORT
= 0x04,
358 RXWBERR_OVERUN
= 0x02,
359 RXWBERR_CRCERR
= 0x01,
360 RXWBERR_ALLERR
= 0xFF,
364 * Buffer information corresponding to ring descriptors.
366 struct jme_buffer_info
{
371 unsigned long start_xmit
;
375 * The structure holding buffer information and ring descriptors all together.
378 void *alloc
; /* pointer to allocated memory */
379 void *desc
; /* pointer to ring memory */
380 dma_addr_t dmaalloc
; /* phys address of ring alloc */
381 dma_addr_t dma
; /* phys address for ring dma */
383 /* Buffer information corresponding to each descriptor */
384 struct jme_buffer_info
*bufinf
;
387 atomic_t next_to_clean
;
391 #define NET_STAT(priv) (priv->dev->stats)
392 #define NETDEV_GET_STATS(netdev, fun_ptr)
393 #define DECLARE_NET_DEVICE_STATS
395 #define DECLARE_NAPI_STRUCT struct napi_struct napi;
396 #define NETIF_NAPI_SET(dev, napis, pollfn, q) \
397 netif_napi_add(dev, napis, pollfn, q);
398 #define JME_NAPI_HOLDER(holder) struct napi_struct *holder
399 #define JME_NAPI_WEIGHT(w) int w
400 #define JME_NAPI_WEIGHT_VAL(w) w
401 #define JME_NAPI_WEIGHT_SET(w, r)
402 #define JME_RX_COMPLETE(dev, napis) napi_complete(napis)
403 #define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi);
404 #define JME_NAPI_DISABLE(priv) \
405 if (!napi_disable_pending(&priv->napi)) \
406 napi_disable(&priv->napi);
407 #define JME_RX_SCHEDULE_PREP(priv) \
408 napi_schedule_prep(&priv->napi)
409 #define JME_RX_SCHEDULE(priv) \
410 __napi_schedule(&priv->napi);
413 * Jmac Adapter Private data
416 struct pci_dev
*pdev
;
417 struct net_device
*dev
;
419 struct mii_if_info mii_if
;
420 struct jme_ring rxring
[RX_RING_NR
];
421 struct jme_ring txring
[TX_RING_NR
];
423 spinlock_t macaddr_lock
;
424 spinlock_t rxmcs_lock
;
425 struct tasklet_struct rxempty_task
;
426 struct tasklet_struct rxclean_task
;
427 struct tasklet_struct txclean_task
;
428 struct tasklet_struct linkch_task
;
429 struct tasklet_struct pcc_task
;
441 u32 tx_wake_threshold
;
445 unsigned int fpgaver
;
451 struct ethtool_cmd old_ecmd
;
452 unsigned int old_mtu
;
453 struct dynpcc_info dpi
;
455 atomic_t link_changing
;
456 atomic_t tx_cleaning
;
457 atomic_t rx_cleaning
;
459 int (*jme_rx
)(struct sk_buff
*skb
);
461 DECLARE_NET_DEVICE_STATS
464 enum jme_flags_bits
{
468 JME_FLAG_SHUTDOWN
= 6,
471 #define TX_TIMEOUT (5 * HZ)
472 #define JME_REG_LEN 0x500
473 #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216
475 static inline struct jme_adapter
*
476 jme_napi_priv(struct napi_struct
*napi
)
478 struct jme_adapter
*jme
;
479 jme
= container_of(napi
, struct jme_adapter
, napi
);
486 enum jme_iomap_offsets
{
493 enum jme_iomap_lens
{
500 enum jme_iomap_regs
{
501 JME_TXCS
= JME_MAC
| 0x00, /* Transmit Control and Status */
502 JME_TXDBA_LO
= JME_MAC
| 0x04, /* Transmit Queue Desc Base Addr */
503 JME_TXDBA_HI
= JME_MAC
| 0x08, /* Transmit Queue Desc Base Addr */
504 JME_TXQDC
= JME_MAC
| 0x0C, /* Transmit Queue Desc Count */
505 JME_TXNDA
= JME_MAC
| 0x10, /* Transmit Queue Next Desc Addr */
506 JME_TXMCS
= JME_MAC
| 0x14, /* Transmit MAC Control Status */
507 JME_TXPFC
= JME_MAC
| 0x18, /* Transmit Pause Frame Control */
508 JME_TXTRHD
= JME_MAC
| 0x1C, /* Transmit Timer/Retry@Half-Dup */
510 JME_RXCS
= JME_MAC
| 0x20, /* Receive Control and Status */
511 JME_RXDBA_LO
= JME_MAC
| 0x24, /* Receive Queue Desc Base Addr */
512 JME_RXDBA_HI
= JME_MAC
| 0x28, /* Receive Queue Desc Base Addr */
513 JME_RXQDC
= JME_MAC
| 0x2C, /* Receive Queue Desc Count */
514 JME_RXNDA
= JME_MAC
| 0x30, /* Receive Queue Next Desc Addr */
515 JME_RXMCS
= JME_MAC
| 0x34, /* Receive MAC Control Status */
516 JME_RXUMA_LO
= JME_MAC
| 0x38, /* Receive Unicast MAC Address */
517 JME_RXUMA_HI
= JME_MAC
| 0x3C, /* Receive Unicast MAC Address */
518 JME_RXMCHT_LO
= JME_MAC
| 0x40, /* Recv Multicast Addr HashTable */
519 JME_RXMCHT_HI
= JME_MAC
| 0x44, /* Recv Multicast Addr HashTable */
520 JME_WFODP
= JME_MAC
| 0x48, /* Wakeup Frame Output Data Port */
521 JME_WFOI
= JME_MAC
| 0x4C, /* Wakeup Frame Output Interface */
523 JME_SMI
= JME_MAC
| 0x50, /* Station Management Interface */
524 JME_GHC
= JME_MAC
| 0x54, /* Global Host Control */
525 JME_PMCS
= JME_MAC
| 0x60, /* Power Management Control/Stat */
528 JME_PHY_PWR
= JME_PHY
| 0x24, /* New PHY Power Ctrl Register */
529 JME_PHY_CS
= JME_PHY
| 0x28, /* PHY Ctrl and Status Register */
530 JME_PHY_LINK
= JME_PHY
| 0x30, /* PHY Link Status Register */
531 JME_SMBCSR
= JME_PHY
| 0x40, /* SMB Control and Status */
532 JME_SMBINTF
= JME_PHY
| 0x44, /* SMB Interface */
535 JME_TMCSR
= JME_MISC
| 0x00, /* Timer Control/Status Register */
536 JME_GPREG0
= JME_MISC
| 0x08, /* General purpose REG-0 */
537 JME_GPREG1
= JME_MISC
| 0x0C, /* General purpose REG-1 */
538 JME_IEVE
= JME_MISC
| 0x20, /* Interrupt Event Status */
539 JME_IREQ
= JME_MISC
| 0x24, /* Intr Req Status(For Debug) */
540 JME_IENS
= JME_MISC
| 0x28, /* Intr Enable - Setting Port */
541 JME_IENC
= JME_MISC
| 0x2C, /* Interrupt Enable - Clear Port */
542 JME_PCCRX0
= JME_MISC
| 0x30, /* PCC Control for RX Queue 0 */
543 JME_PCCTX
= JME_MISC
| 0x40, /* PCC Control for TX Queues */
544 JME_CHIPMODE
= JME_MISC
| 0x44, /* Identify FPGA Version */
545 JME_SHBA_HI
= JME_MISC
| 0x48, /* Shadow Register Base HI */
546 JME_SHBA_LO
= JME_MISC
| 0x4C, /* Shadow Register Base LO */
547 JME_TIMER1
= JME_MISC
| 0x70, /* Timer1 */
548 JME_TIMER2
= JME_MISC
| 0x74, /* Timer2 */
549 JME_APMC
= JME_MISC
| 0x7C, /* Aggressive Power Mode Control */
550 JME_PCCSRX0
= JME_MISC
| 0x80, /* PCC Status of RX0 */
554 * TX Control/Status Bits
557 TXCS_QUEUE7S
= 0x00008000,
558 TXCS_QUEUE6S
= 0x00004000,
559 TXCS_QUEUE5S
= 0x00002000,
560 TXCS_QUEUE4S
= 0x00001000,
561 TXCS_QUEUE3S
= 0x00000800,
562 TXCS_QUEUE2S
= 0x00000400,
563 TXCS_QUEUE1S
= 0x00000200,
564 TXCS_QUEUE0S
= 0x00000100,
565 TXCS_FIFOTH
= 0x000000C0,
566 TXCS_DMASIZE
= 0x00000030,
567 TXCS_BURST
= 0x00000004,
568 TXCS_ENABLE
= 0x00000001,
571 enum jme_txcs_value
{
572 TXCS_FIFOTH_16QW
= 0x000000C0,
573 TXCS_FIFOTH_12QW
= 0x00000080,
574 TXCS_FIFOTH_8QW
= 0x00000040,
575 TXCS_FIFOTH_4QW
= 0x00000000,
577 TXCS_DMASIZE_64B
= 0x00000000,
578 TXCS_DMASIZE_128B
= 0x00000010,
579 TXCS_DMASIZE_256B
= 0x00000020,
580 TXCS_DMASIZE_512B
= 0x00000030,
582 TXCS_SELECT_QUEUE0
= 0x00000000,
583 TXCS_SELECT_QUEUE1
= 0x00010000,
584 TXCS_SELECT_QUEUE2
= 0x00020000,
585 TXCS_SELECT_QUEUE3
= 0x00030000,
586 TXCS_SELECT_QUEUE4
= 0x00040000,
587 TXCS_SELECT_QUEUE5
= 0x00050000,
588 TXCS_SELECT_QUEUE6
= 0x00060000,
589 TXCS_SELECT_QUEUE7
= 0x00070000,
591 TXCS_DEFAULT
= TXCS_FIFOTH_4QW
|
595 #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
598 * TX MAC Control/Status Bits
600 enum jme_txmcs_bit_masks
{
601 TXMCS_IFG2
= 0xC0000000,
602 TXMCS_IFG1
= 0x30000000,
603 TXMCS_TTHOLD
= 0x00000300,
604 TXMCS_FBURST
= 0x00000080,
605 TXMCS_CARRIEREXT
= 0x00000040,
606 TXMCS_DEFER
= 0x00000020,
607 TXMCS_BACKOFF
= 0x00000010,
608 TXMCS_CARRIERSENSE
= 0x00000008,
609 TXMCS_COLLISION
= 0x00000004,
610 TXMCS_CRC
= 0x00000002,
611 TXMCS_PADDING
= 0x00000001,
614 enum jme_txmcs_values
{
615 TXMCS_IFG2_6_4
= 0x00000000,
616 TXMCS_IFG2_8_5
= 0x40000000,
617 TXMCS_IFG2_10_6
= 0x80000000,
618 TXMCS_IFG2_12_7
= 0xC0000000,
620 TXMCS_IFG1_8_4
= 0x00000000,
621 TXMCS_IFG1_12_6
= 0x10000000,
622 TXMCS_IFG1_16_8
= 0x20000000,
623 TXMCS_IFG1_20_10
= 0x30000000,
625 TXMCS_TTHOLD_1_8
= 0x00000000,
626 TXMCS_TTHOLD_1_4
= 0x00000100,
627 TXMCS_TTHOLD_1_2
= 0x00000200,
628 TXMCS_TTHOLD_FULL
= 0x00000300,
630 TXMCS_DEFAULT
= TXMCS_IFG2_8_5
|
638 enum jme_txpfc_bits_masks
{
639 TXPFC_VLAN_TAG
= 0xFFFF0000,
640 TXPFC_VLAN_EN
= 0x00008000,
641 TXPFC_PF_EN
= 0x00000001,
644 enum jme_txtrhd_bits_masks
{
645 TXTRHD_TXPEN
= 0x80000000,
646 TXTRHD_TXP
= 0x7FFFFF00,
647 TXTRHD_TXREN
= 0x00000080,
648 TXTRHD_TXRL
= 0x0000007F,
651 enum jme_txtrhd_shifts
{
652 TXTRHD_TXP_SHIFT
= 8,
653 TXTRHD_TXRL_SHIFT
= 0,
656 enum jme_txtrhd_values
{
657 TXTRHD_FULLDUPLEX
= 0x00000000,
658 TXTRHD_HALFDUPLEX
= TXTRHD_TXPEN
|
659 ((0x2000 << TXTRHD_TXP_SHIFT
) & TXTRHD_TXP
) |
661 ((8 << TXTRHD_TXRL_SHIFT
) & TXTRHD_TXRL
),
665 * RX Control/Status Bits
667 enum jme_rxcs_bit_masks
{
668 /* FIFO full threshold for transmitting Tx Pause Packet */
669 RXCS_FIFOTHTP
= 0x30000000,
670 /* FIFO threshold for processing next packet */
671 RXCS_FIFOTHNP
= 0x0C000000,
672 RXCS_DMAREQSZ
= 0x03000000, /* DMA Request Size */
673 RXCS_QUEUESEL
= 0x00030000, /* Queue selection */
674 RXCS_RETRYGAP
= 0x0000F000, /* RX Desc full retry gap */
675 RXCS_RETRYCNT
= 0x00000F00, /* RX Desc full retry counter */
676 RXCS_WAKEUP
= 0x00000040, /* Enable receive wakeup packet */
677 RXCS_MAGIC
= 0x00000020, /* Enable receive magic packet */
678 RXCS_SHORT
= 0x00000010, /* Enable receive short packet */
679 RXCS_ABORT
= 0x00000008, /* Enable receive errorr packet */
680 RXCS_QST
= 0x00000004, /* Receive queue start */
681 RXCS_SUSPEND
= 0x00000002,
682 RXCS_ENABLE
= 0x00000001,
685 enum jme_rxcs_values
{
686 RXCS_FIFOTHTP_16T
= 0x00000000,
687 RXCS_FIFOTHTP_32T
= 0x10000000,
688 RXCS_FIFOTHTP_64T
= 0x20000000,
689 RXCS_FIFOTHTP_128T
= 0x30000000,
691 RXCS_FIFOTHNP_16QW
= 0x00000000,
692 RXCS_FIFOTHNP_32QW
= 0x04000000,
693 RXCS_FIFOTHNP_64QW
= 0x08000000,
694 RXCS_FIFOTHNP_128QW
= 0x0C000000,
696 RXCS_DMAREQSZ_16B
= 0x00000000,
697 RXCS_DMAREQSZ_32B
= 0x01000000,
698 RXCS_DMAREQSZ_64B
= 0x02000000,
699 RXCS_DMAREQSZ_128B
= 0x03000000,
701 RXCS_QUEUESEL_Q0
= 0x00000000,
702 RXCS_QUEUESEL_Q1
= 0x00010000,
703 RXCS_QUEUESEL_Q2
= 0x00020000,
704 RXCS_QUEUESEL_Q3
= 0x00030000,
706 RXCS_RETRYGAP_256ns
= 0x00000000,
707 RXCS_RETRYGAP_512ns
= 0x00001000,
708 RXCS_RETRYGAP_1024ns
= 0x00002000,
709 RXCS_RETRYGAP_2048ns
= 0x00003000,
710 RXCS_RETRYGAP_4096ns
= 0x00004000,
711 RXCS_RETRYGAP_8192ns
= 0x00005000,
712 RXCS_RETRYGAP_16384ns
= 0x00006000,
713 RXCS_RETRYGAP_32768ns
= 0x00007000,
715 RXCS_RETRYCNT_0
= 0x00000000,
716 RXCS_RETRYCNT_4
= 0x00000100,
717 RXCS_RETRYCNT_8
= 0x00000200,
718 RXCS_RETRYCNT_12
= 0x00000300,
719 RXCS_RETRYCNT_16
= 0x00000400,
720 RXCS_RETRYCNT_20
= 0x00000500,
721 RXCS_RETRYCNT_24
= 0x00000600,
722 RXCS_RETRYCNT_28
= 0x00000700,
723 RXCS_RETRYCNT_32
= 0x00000800,
724 RXCS_RETRYCNT_36
= 0x00000900,
725 RXCS_RETRYCNT_40
= 0x00000A00,
726 RXCS_RETRYCNT_44
= 0x00000B00,
727 RXCS_RETRYCNT_48
= 0x00000C00,
728 RXCS_RETRYCNT_52
= 0x00000D00,
729 RXCS_RETRYCNT_56
= 0x00000E00,
730 RXCS_RETRYCNT_60
= 0x00000F00,
732 RXCS_DEFAULT
= RXCS_FIFOTHTP_128T
|
735 RXCS_RETRYGAP_256ns
|
739 #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
742 * RX MAC Control/Status Bits
744 enum jme_rxmcs_bits
{
745 RXMCS_ALLFRAME
= 0x00000800,
746 RXMCS_BRDFRAME
= 0x00000400,
747 RXMCS_MULFRAME
= 0x00000200,
748 RXMCS_UNIFRAME
= 0x00000100,
749 RXMCS_ALLMULFRAME
= 0x00000080,
750 RXMCS_MULFILTERED
= 0x00000040,
751 RXMCS_RXCOLLDEC
= 0x00000020,
752 RXMCS_FLOWCTRL
= 0x00000008,
753 RXMCS_VTAGRM
= 0x00000004,
754 RXMCS_PREPAD
= 0x00000002,
755 RXMCS_CHECKSUM
= 0x00000001,
757 RXMCS_DEFAULT
= RXMCS_VTAGRM
|
763 /* Extern PHY common register 2 */
765 #define PHY_GAD_TEST_MODE_1 0x00002000
766 #define PHY_GAD_TEST_MODE_MSK 0x0000E000
767 #define JM_PHY_SPEC_REG_READ 0x00004000
768 #define JM_PHY_SPEC_REG_WRITE 0x00008000
769 #define PHY_CALIBRATION_DELAY 20
770 #define JM_PHY_SPEC_ADDR_REG 0x1E
771 #define JM_PHY_SPEC_DATA_REG 0x1F
773 #define JM_PHY_EXT_COMM_0_REG 0x30
774 #define JM_PHY_EXT_COMM_1_REG 0x31
775 #define JM_PHY_EXT_COMM_2_REG 0x32
776 #define JM_PHY_EXT_COMM_2_CALI_ENABLE 0x01
777 #define JM_PHY_EXT_COMM_2_CALI_MODE_0 0x02
778 #define JM_PHY_EXT_COMM_2_CALI_LATCH 0x10
779 #define PCI_PRIV_SHARE_NICCTRL 0xF5
780 #define JME_FLAG_PHYEA_ENABLE 0x2
783 * Wakeup Frame setup interface registers
785 #define WAKEUP_FRAME_NR 8
786 #define WAKEUP_FRAME_MASK_DWNR 4
788 enum jme_wfoi_bit_masks
{
789 WFOI_MASK_SEL
= 0x00000070,
790 WFOI_CRC_SEL
= 0x00000008,
791 WFOI_FRAME_SEL
= 0x00000007,
794 enum jme_wfoi_shifts
{
799 * SMI Related definitions
801 enum jme_smi_bit_mask
{
802 SMI_DATA_MASK
= 0xFFFF0000,
803 SMI_REG_ADDR_MASK
= 0x0000F800,
804 SMI_PHY_ADDR_MASK
= 0x000007C0,
805 SMI_OP_WRITE
= 0x00000020,
806 /* Set to 1, after req done it'll be cleared to 0 */
807 SMI_OP_REQ
= 0x00000010,
808 SMI_OP_MDIO
= 0x00000008, /* Software assess In/Out */
809 SMI_OP_MDOE
= 0x00000004, /* Software Output Enable */
810 SMI_OP_MDC
= 0x00000002, /* Software CLK Control */
811 SMI_OP_MDEN
= 0x00000001, /* Software access Enable */
814 enum jme_smi_bit_shift
{
816 SMI_REG_ADDR_SHIFT
= 11,
817 SMI_PHY_ADDR_SHIFT
= 6,
820 static inline u32
smi_reg_addr(int x
)
822 return (x
<< SMI_REG_ADDR_SHIFT
) & SMI_REG_ADDR_MASK
;
825 static inline u32
smi_phy_addr(int x
)
827 return (x
<< SMI_PHY_ADDR_SHIFT
) & SMI_PHY_ADDR_MASK
;
830 #define JME_PHY_TIMEOUT 100 /* 100 msec */
831 #define JME_PHY_REG_NR 32
834 * Global Host Control
836 enum jme_ghc_bit_mask
{
837 GHC_SWRST
= 0x40000000,
838 GHC_TO_CLK_SRC
= 0x00C00000,
839 GHC_TXMAC_CLK_SRC
= 0x00300000,
840 GHC_DPX
= 0x00000040,
841 GHC_SPEED
= 0x00000030,
842 GHC_LINK_POLL
= 0x00000001,
845 enum jme_ghc_speed_val
{
846 GHC_SPEED_10M
= 0x00000010,
847 GHC_SPEED_100M
= 0x00000020,
848 GHC_SPEED_1000M
= 0x00000030,
851 enum jme_ghc_to_clk
{
852 GHC_TO_CLK_OFF
= 0x00000000,
853 GHC_TO_CLK_GPHY
= 0x00400000,
854 GHC_TO_CLK_PCIE
= 0x00800000,
855 GHC_TO_CLK_INVALID
= 0x00C00000,
858 enum jme_ghc_txmac_clk
{
859 GHC_TXMAC_CLK_OFF
= 0x00000000,
860 GHC_TXMAC_CLK_GPHY
= 0x00100000,
861 GHC_TXMAC_CLK_PCIE
= 0x00200000,
862 GHC_TXMAC_CLK_INVALID
= 0x00300000,
866 * Power management control and status register
868 enum jme_pmcs_bit_masks
{
869 PMCS_STMASK
= 0xFFFF0000,
870 PMCS_WF7DET
= 0x80000000,
871 PMCS_WF6DET
= 0x40000000,
872 PMCS_WF5DET
= 0x20000000,
873 PMCS_WF4DET
= 0x10000000,
874 PMCS_WF3DET
= 0x08000000,
875 PMCS_WF2DET
= 0x04000000,
876 PMCS_WF1DET
= 0x02000000,
877 PMCS_WF0DET
= 0x01000000,
878 PMCS_LFDET
= 0x00040000,
879 PMCS_LRDET
= 0x00020000,
880 PMCS_MFDET
= 0x00010000,
881 PMCS_ENMASK
= 0x0000FFFF,
882 PMCS_WF7EN
= 0x00008000,
883 PMCS_WF6EN
= 0x00004000,
884 PMCS_WF5EN
= 0x00002000,
885 PMCS_WF4EN
= 0x00001000,
886 PMCS_WF3EN
= 0x00000800,
887 PMCS_WF2EN
= 0x00000400,
888 PMCS_WF1EN
= 0x00000200,
889 PMCS_WF0EN
= 0x00000100,
890 PMCS_LFEN
= 0x00000004,
891 PMCS_LREN
= 0x00000002,
892 PMCS_MFEN
= 0x00000001,
896 * New PHY Power Control Register
898 enum jme_phy_pwr_bit_masks
{
899 PHY_PWR_DWN1SEL
= 0x01000000, /* Phy_giga.p_PWR_DOWN1_SEL */
900 PHY_PWR_DWN1SW
= 0x02000000, /* Phy_giga.p_PWR_DOWN1_SW */
901 PHY_PWR_DWN2
= 0x04000000, /* Phy_giga.p_PWR_DOWN2 */
902 PHY_PWR_CLKSEL
= 0x08000000, /*
903 * XTL_OUT Clock select
904 * (an internal free-running clock)
905 * 0: xtl_out = phy_giga.A_XTL25_O
906 * 1: xtl_out = phy_giga.PD_OSC
911 * Giga PHY Status Registers
913 enum jme_phy_link_bit_mask
{
914 PHY_LINK_SPEED_MASK
= 0x0000C000,
915 PHY_LINK_DUPLEX
= 0x00002000,
916 PHY_LINK_SPEEDDPU_RESOLVED
= 0x00000800,
917 PHY_LINK_UP
= 0x00000400,
918 PHY_LINK_AUTONEG_COMPLETE
= 0x00000200,
919 PHY_LINK_MDI_STAT
= 0x00000040,
922 enum jme_phy_link_speed_val
{
923 PHY_LINK_SPEED_10M
= 0x00000000,
924 PHY_LINK_SPEED_100M
= 0x00004000,
925 PHY_LINK_SPEED_1000M
= 0x00008000,
928 #define JME_SPDRSV_TIMEOUT 500 /* 500 us */
931 * SMB Control and Status
933 enum jme_smbcsr_bit_mask
{
934 SMBCSR_CNACK
= 0x00020000,
935 SMBCSR_RELOAD
= 0x00010000,
936 SMBCSR_EEPROMD
= 0x00000020,
937 SMBCSR_INITDONE
= 0x00000010,
938 SMBCSR_BUSY
= 0x0000000F,
941 enum jme_smbintf_bit_mask
{
942 SMBINTF_HWDATR
= 0xFF000000,
943 SMBINTF_HWDATW
= 0x00FF0000,
944 SMBINTF_HWADDR
= 0x0000FF00,
945 SMBINTF_HWRWN
= 0x00000020,
946 SMBINTF_HWCMD
= 0x00000010,
947 SMBINTF_FASTM
= 0x00000008,
948 SMBINTF_GPIOSCL
= 0x00000004,
949 SMBINTF_GPIOSDA
= 0x00000002,
950 SMBINTF_GPIOEN
= 0x00000001,
953 enum jme_smbintf_vals
{
954 SMBINTF_HWRWN_READ
= 0x00000020,
955 SMBINTF_HWRWN_WRITE
= 0x00000000,
958 enum jme_smbintf_shifts
{
959 SMBINTF_HWDATR_SHIFT
= 24,
960 SMBINTF_HWDATW_SHIFT
= 16,
961 SMBINTF_HWADDR_SHIFT
= 8,
964 #define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
965 #define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
966 #define JME_SMB_LEN 256
967 #define JME_EEPROM_MAGIC 0x250
970 * Timer Control/Status Register
972 enum jme_tmcsr_bit_masks
{
973 TMCSR_SWIT
= 0x80000000,
974 TMCSR_EN
= 0x01000000,
975 TMCSR_CNT
= 0x00FFFFFF,
979 * General Purpose REG-0
981 enum jme_gpreg0_masks
{
982 GPREG0_DISSH
= 0xFF000000,
983 GPREG0_PCIRLMT
= 0x00300000,
984 GPREG0_PCCNOMUTCLR
= 0x00040000,
985 GPREG0_LNKINTPOLL
= 0x00001000,
986 GPREG0_PCCTMR
= 0x00000300,
987 GPREG0_PHYADDR
= 0x0000001F,
990 enum jme_gpreg0_vals
{
991 GPREG0_DISSH_DW7
= 0x80000000,
992 GPREG0_DISSH_DW6
= 0x40000000,
993 GPREG0_DISSH_DW5
= 0x20000000,
994 GPREG0_DISSH_DW4
= 0x10000000,
995 GPREG0_DISSH_DW3
= 0x08000000,
996 GPREG0_DISSH_DW2
= 0x04000000,
997 GPREG0_DISSH_DW1
= 0x02000000,
998 GPREG0_DISSH_DW0
= 0x01000000,
999 GPREG0_DISSH_ALL
= 0xFF000000,
1001 GPREG0_PCIRLMT_8
= 0x00000000,
1002 GPREG0_PCIRLMT_6
= 0x00100000,
1003 GPREG0_PCIRLMT_5
= 0x00200000,
1004 GPREG0_PCIRLMT_4
= 0x00300000,
1006 GPREG0_PCCTMR_16ns
= 0x00000000,
1007 GPREG0_PCCTMR_256ns
= 0x00000100,
1008 GPREG0_PCCTMR_1us
= 0x00000200,
1009 GPREG0_PCCTMR_1ms
= 0x00000300,
1011 GPREG0_PHYADDR_1
= 0x00000001,
1013 GPREG0_DEFAULT
= GPREG0_PCIRLMT_4
|
1019 * General Purpose REG-1
1021 enum jme_gpreg1_bit_masks
{
1022 GPREG1_RXCLKOFF
= 0x04000000,
1023 GPREG1_PCREQN
= 0x00020000,
1024 GPREG1_HALFMODEPATCH
= 0x00000040, /* For Chip revision 0x11 only */
1025 GPREG1_RSSPATCH
= 0x00000020, /* For Chip revision 0x11 only */
1026 GPREG1_INTRDELAYUNIT
= 0x00000018,
1027 GPREG1_INTRDELAYENABLE
= 0x00000007,
1030 enum jme_gpreg1_vals
{
1031 GPREG1_INTDLYUNIT_16NS
= 0x00000000,
1032 GPREG1_INTDLYUNIT_256NS
= 0x00000008,
1033 GPREG1_INTDLYUNIT_1US
= 0x00000010,
1034 GPREG1_INTDLYUNIT_16US
= 0x00000018,
1036 GPREG1_INTDLYEN_1U
= 0x00000001,
1037 GPREG1_INTDLYEN_2U
= 0x00000002,
1038 GPREG1_INTDLYEN_3U
= 0x00000003,
1039 GPREG1_INTDLYEN_4U
= 0x00000004,
1040 GPREG1_INTDLYEN_5U
= 0x00000005,
1041 GPREG1_INTDLYEN_6U
= 0x00000006,
1042 GPREG1_INTDLYEN_7U
= 0x00000007,
1044 GPREG1_DEFAULT
= GPREG1_PCREQN
,
1048 * Interrupt Status Bits
1050 enum jme_interrupt_bits
{
1051 INTR_SWINTR
= 0x80000000,
1052 INTR_TMINTR
= 0x40000000,
1053 INTR_LINKCH
= 0x20000000,
1054 INTR_PAUSERCV
= 0x10000000,
1055 INTR_MAGICRCV
= 0x08000000,
1056 INTR_WAKERCV
= 0x04000000,
1057 INTR_PCCRX0TO
= 0x02000000,
1058 INTR_PCCRX1TO
= 0x01000000,
1059 INTR_PCCRX2TO
= 0x00800000,
1060 INTR_PCCRX3TO
= 0x00400000,
1061 INTR_PCCTXTO
= 0x00200000,
1062 INTR_PCCRX0
= 0x00100000,
1063 INTR_PCCRX1
= 0x00080000,
1064 INTR_PCCRX2
= 0x00040000,
1065 INTR_PCCRX3
= 0x00020000,
1066 INTR_PCCTX
= 0x00010000,
1067 INTR_RX3EMP
= 0x00008000,
1068 INTR_RX2EMP
= 0x00004000,
1069 INTR_RX1EMP
= 0x00002000,
1070 INTR_RX0EMP
= 0x00001000,
1071 INTR_RX3
= 0x00000800,
1072 INTR_RX2
= 0x00000400,
1073 INTR_RX1
= 0x00000200,
1074 INTR_RX0
= 0x00000100,
1075 INTR_TX7
= 0x00000080,
1076 INTR_TX6
= 0x00000040,
1077 INTR_TX5
= 0x00000020,
1078 INTR_TX4
= 0x00000010,
1079 INTR_TX3
= 0x00000008,
1080 INTR_TX2
= 0x00000004,
1081 INTR_TX1
= 0x00000002,
1082 INTR_TX0
= 0x00000001,
1085 static const u32 INTR_ENABLE
= INTR_SWINTR
|
1095 * PCC Control Registers
1097 enum jme_pccrx_masks
{
1098 PCCRXTO_MASK
= 0xFFFF0000,
1099 PCCRX_MASK
= 0x0000FF00,
1102 enum jme_pcctx_masks
{
1103 PCCTXTO_MASK
= 0xFFFF0000,
1104 PCCTX_MASK
= 0x0000FF00,
1105 PCCTX_QS_MASK
= 0x000000FF,
1108 enum jme_pccrx_shifts
{
1113 enum jme_pcctx_shifts
{
1118 enum jme_pcctx_bits
{
1119 PCCTXQ0_EN
= 0x00000001,
1120 PCCTXQ1_EN
= 0x00000002,
1121 PCCTXQ2_EN
= 0x00000004,
1122 PCCTXQ3_EN
= 0x00000008,
1123 PCCTXQ4_EN
= 0x00000010,
1124 PCCTXQ5_EN
= 0x00000020,
1125 PCCTXQ6_EN
= 0x00000040,
1126 PCCTXQ7_EN
= 0x00000080,
1130 * Chip Mode Register
1132 enum jme_chipmode_bit_masks
{
1133 CM_FPGAVER_MASK
= 0xFFFF0000,
1134 CM_CHIPREV_MASK
= 0x0000FF00,
1135 CM_CHIPMODE_MASK
= 0x0000000F,
1138 enum jme_chipmode_shifts
{
1139 CM_FPGAVER_SHIFT
= 16,
1140 CM_CHIPREV_SHIFT
= 8,
1144 * Aggressive Power Mode Control
1146 enum jme_apmc_bits
{
1147 JME_APMC_PCIE_SD_EN
= 0x40000000,
1148 JME_APMC_PSEUDO_HP_EN
= 0x20000000,
1149 JME_APMC_EPIEN
= 0x04000000,
1150 JME_APMC_EPIEN_CTRL
= 0x03000000,
1153 enum jme_apmc_values
{
1154 JME_APMC_EPIEN_CTRL_EN
= 0x02000000,
1155 JME_APMC_EPIEN_CTRL_DIS
= 0x01000000,
1158 #define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000)
1161 static char *MAC_REG_NAME
[] = {
1162 "JME_TXCS", "JME_TXDBA_LO", "JME_TXDBA_HI", "JME_TXQDC",
1163 "JME_TXNDA", "JME_TXMCS", "JME_TXPFC", "JME_TXTRHD",
1164 "JME_RXCS", "JME_RXDBA_LO", "JME_RXDBA_HI", "JME_RXQDC",
1165 "JME_RXNDA", "JME_RXMCS", "JME_RXUMA_LO", "JME_RXUMA_HI",
1166 "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP", "JME_WFOI",
1167 "JME_SMI", "JME_GHC", "UNKNOWN", "UNKNOWN",
1170 static char *PE_REG_NAME
[] = {
1171 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1172 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1173 "UNKNOWN", "UNKNOWN", "JME_PHY_CS", "UNKNOWN",
1174 "JME_PHY_LINK", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1175 "JME_SMBCSR", "JME_SMBINTF"};
1177 static char *MISC_REG_NAME
[] = {
1178 "JME_TMCSR", "JME_GPIO", "JME_GPREG0", "JME_GPREG1",
1179 "JME_IEVE", "JME_IREQ", "JME_IENS", "JME_IENC",
1180 "JME_PCCRX0", "JME_PCCRX1", "JME_PCCRX2", "JME_PCCRX3",
1181 "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO",
1182 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1183 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1184 "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN",
1185 "JME_TIMER1", "JME_TIMER2", "UNKNOWN", "JME_APMC",
1188 static inline void reg_dbg(const struct jme_adapter
*jme
,
1189 const char *msg
, u32 val
, u32 reg
)
1191 const char *regname
;
1192 switch (reg
& 0xF00) {
1194 regname
= MAC_REG_NAME
[(reg
& 0xFF) >> 2];
1197 regname
= PE_REG_NAME
[(reg
& 0xFF) >> 2];
1200 regname
= MISC_REG_NAME
[(reg
& 0xFF) >> 2];
1203 regname
= PE_REG_NAME
[0];
1205 printk(KERN_DEBUG
"%s: %-20s %08x@%s\n", jme
->dev
->name
,
1209 static inline void reg_dbg(const struct jme_adapter
*jme
,
1210 const char *msg
, u32 val
, u32 reg
) {}
1214 * Read/Write MMaped I/O Registers
1216 static inline u32
jread32(struct jme_adapter
*jme
, u32 reg
)
1218 return readl(jme
->regs
+ reg
);
1221 static inline void jwrite32(struct jme_adapter
*jme
, u32 reg
, u32 val
)
1223 reg_dbg(jme
, "REG WRITE", val
, reg
);
1224 writel(val
, jme
->regs
+ reg
);
1225 reg_dbg(jme
, "VAL AFTER WRITE", readl(jme
->regs
+ reg
), reg
);
1228 static inline void jwrite32f(struct jme_adapter
*jme
, u32 reg
, u32 val
)
1231 * Read after write should cause flush
1233 reg_dbg(jme
, "REG WRITE FLUSH", val
, reg
);
1234 writel(val
, jme
->regs
+ reg
);
1235 readl(jme
->regs
+ reg
);
1236 reg_dbg(jme
, "VAL AFTER WRITE", readl(jme
->regs
+ reg
), reg
);
1242 enum jme_phy_reg17_bit_masks
{
1243 PREG17_SPEED
= 0xC000,
1244 PREG17_DUPLEX
= 0x2000,
1245 PREG17_SPDRSV
= 0x0800,
1246 PREG17_LNKUP
= 0x0400,
1247 PREG17_MDI
= 0x0040,
1250 enum jme_phy_reg17_vals
{
1251 PREG17_SPEED_10M
= 0x0000,
1252 PREG17_SPEED_100M
= 0x4000,
1253 PREG17_SPEED_1000M
= 0x8000,
1256 #define BMSR_ANCOMP 0x0020
1261 static inline int is_buggy250(unsigned short device
, u8 chiprev
)
1263 return device
== PCI_DEVICE_ID_JMICRON_JMC250
&& chiprev
== 0x11;
1266 static inline int new_phy_power_ctrl(u8 chip_main_rev
)
1268 return chip_main_rev
>= 5;
1272 * Function prototypes
1274 static int jme_set_settings(struct net_device
*netdev
,
1275 struct ethtool_cmd
*ecmd
);
1276 static void jme_set_unicastaddr(struct net_device
*netdev
);
1277 static void jme_set_multi(struct net_device
*netdev
);