2 This program is free software; you can redistribute it and/or
3 modify it under the terms of the GNU General Public License
4 as published by the Free Software Foundation; either version 2
5 of the License, or (at your option) any later version.
7 This program is distributed in the hope that it will be useful,
8 but WITHOUT ANY WARRANTY; without even the implied warranty of
9 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 GNU General Public License for more details.
15 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
17 #define DRV_NAME "uli526x"
18 #define DRV_VERSION "0.9.3"
19 #define DRV_RELDATE "2005-7-29"
21 #include <linux/module.h>
23 #include <linux/kernel.h>
24 #include <linux/string.h>
25 #include <linux/timer.h>
26 #include <linux/errno.h>
27 #include <linux/ioport.h>
28 #include <linux/interrupt.h>
29 #include <linux/pci.h>
30 #include <linux/init.h>
31 #include <linux/netdevice.h>
32 #include <linux/etherdevice.h>
33 #include <linux/ethtool.h>
34 #include <linux/skbuff.h>
35 #include <linux/delay.h>
36 #include <linux/spinlock.h>
37 #include <linux/dma-mapping.h>
38 #include <linux/bitops.h>
40 #include <asm/processor.h>
43 #include <asm/uaccess.h>
45 #define uw32(reg, val) iowrite32(val, ioaddr + (reg))
46 #define ur32(reg) ioread32(ioaddr + (reg))
48 /* Board/System/Debug information/definition ---------------- */
49 #define PCI_ULI5261_ID 0x526110B9 /* ULi M5261 ID*/
50 #define PCI_ULI5263_ID 0x526310B9 /* ULi M5263 ID*/
52 #define ULI526X_IO_SIZE 0x100
53 #define TX_DESC_CNT 0x20 /* Allocated Tx descriptors */
54 #define RX_DESC_CNT 0x30 /* Allocated Rx descriptors */
55 #define TX_FREE_DESC_CNT (TX_DESC_CNT - 2) /* Max TX packet count */
56 #define TX_WAKE_DESC_CNT (TX_DESC_CNT - 3) /* TX wakeup count */
57 #define DESC_ALL_CNT (TX_DESC_CNT + RX_DESC_CNT)
58 #define TX_BUF_ALLOC 0x600
59 #define RX_ALLOC_SIZE 0x620
60 #define ULI526X_RESET 1
62 #define CR6_DEFAULT 0x22200000
63 #define CR7_DEFAULT 0x180c1
64 #define CR15_DEFAULT 0x06 /* TxJabber RxWatchdog */
65 #define TDES0_ERR_MASK 0x4302 /* TXJT, LC, EC, FUE */
66 #define MAX_PACKET_SIZE 1514
67 #define ULI5261_MAX_MULTICAST 14
68 #define RX_COPY_SIZE 100
69 #define MAX_CHECK_PACKET 0x8000
71 #define ULI526X_10MHF 0
72 #define ULI526X_100MHF 1
73 #define ULI526X_10MFD 4
74 #define ULI526X_100MFD 5
75 #define ULI526X_AUTO 8
77 #define ULI526X_TXTH_72 0x400000 /* TX TH 72 byte */
78 #define ULI526X_TXTH_96 0x404000 /* TX TH 96 byte */
79 #define ULI526X_TXTH_128 0x0000 /* TX TH 128 byte */
80 #define ULI526X_TXTH_256 0x4000 /* TX TH 256 byte */
81 #define ULI526X_TXTH_512 0x8000 /* TX TH 512 byte */
82 #define ULI526X_TXTH_1K 0xC000 /* TX TH 1K byte */
84 #define ULI526X_TIMER_WUT (jiffies + HZ * 1)/* timer wakeup time : 1 second */
85 #define ULI526X_TX_TIMEOUT ((16*HZ)/2) /* tx packet time-out time 8 s" */
86 #define ULI526X_TX_KICK (4*HZ/2) /* tx packet Kick-out time 2 s" */
88 #define ULI526X_DBUG(dbug_now, msg, value) \
90 if (uli526x_debug || (dbug_now)) \
91 pr_err("%s %lx\n", (msg), (long) (value)); \
94 #define SHOW_MEDIA_TYPE(mode) \
95 pr_err("Change Speed to %sMhz %s duplex\n", \
96 mode & 1 ? "100" : "10", \
97 mode & 4 ? "full" : "half");
100 /* CR9 definition: SROM/MII */
101 #define CR9_SROM_READ 0x4800
103 #define CR9_SRCLK 0x2
104 #define CR9_CRDOUT 0x8
105 #define SROM_DATA_0 0x0
106 #define SROM_DATA_1 0x4
107 #define PHY_DATA_1 0x20000
108 #define PHY_DATA_0 0x00000
109 #define MDCLKH 0x10000
111 #define PHY_POWER_DOWN 0x800
113 #define SROM_V41_CODE 0x14
115 /* Structure/enum declaration ------------------------------- */
117 __le32 tdes0
, tdes1
, tdes2
, tdes3
; /* Data for the card */
118 char *tx_buf_ptr
; /* Data for us */
119 struct tx_desc
*next_tx_desc
;
120 } __attribute__(( aligned(32) ));
123 __le32 rdes0
, rdes1
, rdes2
, rdes3
; /* Data for the card */
124 struct sk_buff
*rx_skb_ptr
; /* Data for us */
125 struct rx_desc
*next_rx_desc
;
126 } __attribute__(( aligned(32) ));
128 struct uli526x_board_info
{
130 void (*write
)(struct uli526x_board_info
*, u8
, u8
, u16
);
131 u16 (*read
)(struct uli526x_board_info
*, u8
, u8
);
133 struct net_device
*next_dev
; /* next device */
134 struct pci_dev
*pdev
; /* PCI device */
137 void __iomem
*ioaddr
; /* I/O base address */
144 /* pointer for memory physical address */
145 dma_addr_t buf_pool_dma_ptr
; /* Tx buffer pool memory */
146 dma_addr_t buf_pool_dma_start
; /* Tx buffer pool align dword */
147 dma_addr_t desc_pool_dma_ptr
; /* descriptor pool memory */
148 dma_addr_t first_tx_desc_dma
;
149 dma_addr_t first_rx_desc_dma
;
151 /* descriptor pointer */
152 unsigned char *buf_pool_ptr
; /* Tx buffer pool memory */
153 unsigned char *buf_pool_start
; /* Tx buffer pool align dword */
154 unsigned char *desc_pool_ptr
; /* descriptor pool memory */
155 struct tx_desc
*first_tx_desc
;
156 struct tx_desc
*tx_insert_ptr
;
157 struct tx_desc
*tx_remove_ptr
;
158 struct rx_desc
*first_rx_desc
;
159 struct rx_desc
*rx_insert_ptr
;
160 struct rx_desc
*rx_ready_ptr
; /* packet come pointer */
161 unsigned long tx_packet_cnt
; /* transmitted packet count */
162 unsigned long rx_avail_cnt
; /* available rx descriptor count */
163 unsigned long interval_rx_cnt
; /* rx packet count a callback time */
166 u16 NIC_capability
; /* NIC media capability */
167 u16 PHY_reg4
; /* Saved Phyxcer register 4 value */
169 u8 media_mode
; /* user specify media mode */
170 u8 op_mode
; /* real work media mode */
172 u8 link_failed
; /* Ever link failed */
173 u8 wait_reset
; /* Hardware failed, need to reset */
174 struct timer_list timer
;
176 /* Driver defined statistic counter */
177 unsigned long tx_fifo_underrun
;
178 unsigned long tx_loss_carrier
;
179 unsigned long tx_no_carrier
;
180 unsigned long tx_late_collision
;
181 unsigned long tx_excessive_collision
;
182 unsigned long tx_jabber_timeout
;
183 unsigned long reset_count
;
184 unsigned long reset_cr8
;
185 unsigned long reset_fatal
;
186 unsigned long reset_TXtimeout
;
189 unsigned char srom
[128];
193 enum uli526x_offsets
{
194 DCR0
= 0x00, DCR1
= 0x08, DCR2
= 0x10, DCR3
= 0x18, DCR4
= 0x20,
195 DCR5
= 0x28, DCR6
= 0x30, DCR7
= 0x38, DCR8
= 0x40, DCR9
= 0x48,
196 DCR10
= 0x50, DCR11
= 0x58, DCR12
= 0x60, DCR13
= 0x68, DCR14
= 0x70,
200 enum uli526x_CR6_bits
{
201 CR6_RXSC
= 0x2, CR6_PBF
= 0x8, CR6_PM
= 0x40, CR6_PAM
= 0x80,
202 CR6_FDM
= 0x200, CR6_TXSC
= 0x2000, CR6_STI
= 0x100000,
203 CR6_SFT
= 0x200000, CR6_RXA
= 0x40000000, CR6_NO_PURGE
= 0x20000000
206 /* Global variable declaration ----------------------------- */
207 static int printed_version
;
208 static const char version
[] =
209 "ULi M5261/M5263 net driver, version " DRV_VERSION
" (" DRV_RELDATE
")";
211 static int uli526x_debug
;
212 static unsigned char uli526x_media_mode
= ULI526X_AUTO
;
213 static u32 uli526x_cr6_user_set
;
215 /* For module input parameter */
220 /* function declaration ------------------------------------- */
221 static int uli526x_open(struct net_device
*);
222 static netdev_tx_t
uli526x_start_xmit(struct sk_buff
*,
223 struct net_device
*);
224 static int uli526x_stop(struct net_device
*);
225 static void uli526x_set_filter_mode(struct net_device
*);
226 static const struct ethtool_ops netdev_ethtool_ops
;
227 static u16
read_srom_word(struct uli526x_board_info
*, int);
228 static irqreturn_t
uli526x_interrupt(int, void *);
229 #ifdef CONFIG_NET_POLL_CONTROLLER
230 static void uli526x_poll(struct net_device
*dev
);
232 static void uli526x_descriptor_init(struct net_device
*, void __iomem
*);
233 static void allocate_rx_buffer(struct net_device
*);
234 static void update_cr6(u32
, void __iomem
*);
235 static void send_filter_frame(struct net_device
*, int);
236 static u16
phy_readby_cr9(struct uli526x_board_info
*, u8
, u8
);
237 static u16
phy_readby_cr10(struct uli526x_board_info
*, u8
, u8
);
238 static void phy_writeby_cr9(struct uli526x_board_info
*, u8
, u8
, u16
);
239 static void phy_writeby_cr10(struct uli526x_board_info
*, u8
, u8
, u16
);
240 static void phy_write_1bit(struct uli526x_board_info
*db
, u32
);
241 static u16
phy_read_1bit(struct uli526x_board_info
*db
);
242 static u8
uli526x_sense_speed(struct uli526x_board_info
*);
243 static void uli526x_process_mode(struct uli526x_board_info
*);
244 static void uli526x_timer(unsigned long);
245 static void uli526x_rx_packet(struct net_device
*, struct uli526x_board_info
*);
246 static void uli526x_free_tx_pkt(struct net_device
*, struct uli526x_board_info
*);
247 static void uli526x_reuse_skb(struct uli526x_board_info
*, struct sk_buff
*);
248 static void uli526x_dynamic_reset(struct net_device
*);
249 static void uli526x_free_rxbuffer(struct uli526x_board_info
*);
250 static void uli526x_init(struct net_device
*);
251 static void uli526x_set_phyxcer(struct uli526x_board_info
*);
253 static void srom_clk_write(struct uli526x_board_info
*db
, u32 data
)
255 void __iomem
*ioaddr
= db
->ioaddr
;
257 uw32(DCR9
, data
| CR9_SROM_READ
| CR9_SRCS
);
259 uw32(DCR9
, data
| CR9_SROM_READ
| CR9_SRCS
| CR9_SRCLK
);
261 uw32(DCR9
, data
| CR9_SROM_READ
| CR9_SRCS
);
265 /* ULI526X network board routine ---------------------------- */
267 static const struct net_device_ops netdev_ops
= {
268 .ndo_open
= uli526x_open
,
269 .ndo_stop
= uli526x_stop
,
270 .ndo_start_xmit
= uli526x_start_xmit
,
271 .ndo_set_rx_mode
= uli526x_set_filter_mode
,
272 .ndo_change_mtu
= eth_change_mtu
,
273 .ndo_set_mac_address
= eth_mac_addr
,
274 .ndo_validate_addr
= eth_validate_addr
,
275 #ifdef CONFIG_NET_POLL_CONTROLLER
276 .ndo_poll_controller
= uli526x_poll
,
281 * Search ULI526X board, allocate space and register it
284 static int uli526x_init_one(struct pci_dev
*pdev
,
285 const struct pci_device_id
*ent
)
287 struct uli526x_board_info
*db
; /* board information structure */
288 struct net_device
*dev
;
289 void __iomem
*ioaddr
;
292 ULI526X_DBUG(0, "uli526x_init_one()", 0);
294 if (!printed_version
++)
295 pr_info("%s\n", version
);
297 /* Init network device */
298 dev
= alloc_etherdev(sizeof(*db
));
301 SET_NETDEV_DEV(dev
, &pdev
->dev
);
303 if (pci_set_dma_mask(pdev
, DMA_BIT_MASK(32))) {
304 pr_warn("32-bit PCI DMA not available\n");
309 /* Enable Master/IO access, Disable memory access */
310 err
= pci_enable_device(pdev
);
314 if (!pci_resource_start(pdev
, 0)) {
315 pr_err("I/O base is zero\n");
317 goto err_out_disable
;
320 if (pci_resource_len(pdev
, 0) < (ULI526X_IO_SIZE
) ) {
321 pr_err("Allocated I/O size too small\n");
323 goto err_out_disable
;
326 err
= pci_request_regions(pdev
, DRV_NAME
);
328 pr_err("Failed to request PCI regions\n");
329 goto err_out_disable
;
332 /* Init system & device */
333 db
= netdev_priv(dev
);
335 /* Allocate Tx/Rx descriptor memory */
338 db
->desc_pool_ptr
= pci_alloc_consistent(pdev
, sizeof(struct tx_desc
) * DESC_ALL_CNT
+ 0x20, &db
->desc_pool_dma_ptr
);
339 if (!db
->desc_pool_ptr
)
340 goto err_out_release
;
342 db
->buf_pool_ptr
= pci_alloc_consistent(pdev
, TX_BUF_ALLOC
* TX_DESC_CNT
+ 4, &db
->buf_pool_dma_ptr
);
343 if (!db
->buf_pool_ptr
)
344 goto err_out_free_tx_desc
;
346 db
->first_tx_desc
= (struct tx_desc
*) db
->desc_pool_ptr
;
347 db
->first_tx_desc_dma
= db
->desc_pool_dma_ptr
;
348 db
->buf_pool_start
= db
->buf_pool_ptr
;
349 db
->buf_pool_dma_start
= db
->buf_pool_dma_ptr
;
351 switch (ent
->driver_data
) {
353 db
->phy
.write
= phy_writeby_cr10
;
354 db
->phy
.read
= phy_readby_cr10
;
357 db
->phy
.write
= phy_writeby_cr9
;
358 db
->phy
.read
= phy_readby_cr9
;
363 ioaddr
= pci_iomap(pdev
, 0, 0);
365 goto err_out_free_tx_buf
;
371 pci_set_drvdata(pdev
, dev
);
373 /* Register some necessary functions */
374 dev
->netdev_ops
= &netdev_ops
;
375 dev
->ethtool_ops
= &netdev_ethtool_ops
;
377 spin_lock_init(&db
->lock
);
380 /* read 64 word srom data */
381 for (i
= 0; i
< 64; i
++)
382 ((__le16
*) db
->srom
)[i
] = cpu_to_le16(read_srom_word(db
, i
));
384 /* Set Node address */
385 if(((u16
*) db
->srom
)[0] == 0xffff || ((u16
*) db
->srom
)[0] == 0) /* SROM absent, so read MAC address from ID Table */
387 uw32(DCR0
, 0x10000); //Diagnosis mode
388 uw32(DCR13
, 0x1c0); //Reset dianostic pointer port
389 uw32(DCR14
, 0); //Clear reset port
390 uw32(DCR14
, 0x10); //Reset ID Table pointer
391 uw32(DCR14
, 0); //Clear reset port
392 uw32(DCR13
, 0); //Clear CR13
393 uw32(DCR13
, 0x1b0); //Select ID Table access port
394 //Read MAC address from CR14
395 for (i
= 0; i
< 6; i
++)
396 dev
->dev_addr
[i
] = ur32(DCR14
);
398 uw32(DCR13
, 0); //Clear CR13
399 uw32(DCR0
, 0); //Clear CR0
404 for (i
= 0; i
< 6; i
++)
405 dev
->dev_addr
[i
] = db
->srom
[20 + i
];
407 err
= register_netdev (dev
);
411 netdev_info(dev
, "ULi M%04lx at pci%s, %pM, irq %d\n",
412 ent
->driver_data
>> 16, pci_name(pdev
),
413 dev
->dev_addr
, pdev
->irq
);
415 pci_set_master(pdev
);
420 pci_iounmap(pdev
, db
->ioaddr
);
422 pci_free_consistent(pdev
, TX_BUF_ALLOC
* TX_DESC_CNT
+ 4,
423 db
->buf_pool_ptr
, db
->buf_pool_dma_ptr
);
424 err_out_free_tx_desc
:
425 pci_free_consistent(pdev
, sizeof(struct tx_desc
) * DESC_ALL_CNT
+ 0x20,
426 db
->desc_pool_ptr
, db
->desc_pool_dma_ptr
);
428 pci_release_regions(pdev
);
430 pci_disable_device(pdev
);
438 static void uli526x_remove_one(struct pci_dev
*pdev
)
440 struct net_device
*dev
= pci_get_drvdata(pdev
);
441 struct uli526x_board_info
*db
= netdev_priv(dev
);
443 unregister_netdev(dev
);
444 pci_iounmap(pdev
, db
->ioaddr
);
445 pci_free_consistent(db
->pdev
, sizeof(struct tx_desc
) *
446 DESC_ALL_CNT
+ 0x20, db
->desc_pool_ptr
,
447 db
->desc_pool_dma_ptr
);
448 pci_free_consistent(db
->pdev
, TX_BUF_ALLOC
* TX_DESC_CNT
+ 4,
449 db
->buf_pool_ptr
, db
->buf_pool_dma_ptr
);
450 pci_release_regions(pdev
);
451 pci_disable_device(pdev
);
457 * Open the interface.
458 * The interface is opened whenever "ifconfig" activates it.
461 static int uli526x_open(struct net_device
*dev
)
464 struct uli526x_board_info
*db
= netdev_priv(dev
);
466 ULI526X_DBUG(0, "uli526x_open", 0);
468 /* system variable init */
469 db
->cr6_data
= CR6_DEFAULT
| uli526x_cr6_user_set
;
470 db
->tx_packet_cnt
= 0;
471 db
->rx_avail_cnt
= 0;
473 netif_carrier_off(dev
);
476 db
->NIC_capability
= 0xf; /* All capability*/
477 db
->PHY_reg4
= 0x1e0;
479 /* CR6 operation mode decision */
480 db
->cr6_data
|= ULI526X_TXTH_256
;
481 db
->cr0_data
= CR0_DEFAULT
;
483 /* Initialize ULI526X board */
486 ret
= request_irq(db
->pdev
->irq
, uli526x_interrupt
, IRQF_SHARED
,
491 /* Active System Interface */
492 netif_wake_queue(dev
);
494 /* set and active a timer process */
495 init_timer(&db
->timer
);
496 db
->timer
.expires
= ULI526X_TIMER_WUT
+ HZ
* 2;
497 db
->timer
.data
= (unsigned long)dev
;
498 db
->timer
.function
= uli526x_timer
;
499 add_timer(&db
->timer
);
505 /* Initialize ULI526X board
506 * Reset ULI526X board
507 * Initialize TX/Rx descriptor chain structure
508 * Send the set-up frame
509 * Enable Tx/Rx machine
512 static void uli526x_init(struct net_device
*dev
)
514 struct uli526x_board_info
*db
= netdev_priv(dev
);
515 struct uli_phy_ops
*phy
= &db
->phy
;
516 void __iomem
*ioaddr
= db
->ioaddr
;
522 ULI526X_DBUG(0, "uli526x_init()", 0);
524 /* Reset M526x MAC controller */
525 uw32(DCR0
, ULI526X_RESET
); /* RESET MAC */
527 uw32(DCR0
, db
->cr0_data
);
530 /* Phy addr : In some boards,M5261/M5263 phy address != 1 */
532 for (phy_tmp
= 0; phy_tmp
< 32; phy_tmp
++) {
535 phy_value
= phy
->read(db
, phy_tmp
, 3); //peer add
536 if (phy_value
!= 0xffff && phy_value
!= 0) {
537 db
->phy_addr
= phy_tmp
;
543 pr_warn("Can not find the phy address!!!\n");
544 /* Parser SROM and media mode */
545 db
->media_mode
= uli526x_media_mode
;
547 /* phyxcer capability setting */
548 phy_reg_reset
= phy
->read(db
, db
->phy_addr
, 0);
549 phy_reg_reset
= (phy_reg_reset
| 0x8000);
550 phy
->write(db
, db
->phy_addr
, 0, phy_reg_reset
);
552 /* See IEEE 802.3-2002.pdf (Section 2, Chapter "22.2.4 Management
553 * functions") or phy data sheet for details on phy reset
557 while (timeout
-- && phy
->read(db
, db
->phy_addr
, 0) & 0x8000)
560 /* Process Phyxcer Media Mode */
561 uli526x_set_phyxcer(db
);
563 /* Media Mode Process */
564 if ( !(db
->media_mode
& ULI526X_AUTO
) )
565 db
->op_mode
= db
->media_mode
; /* Force Mode */
567 /* Initialize Transmit/Receive decriptor and CR3/4 */
568 uli526x_descriptor_init(dev
, ioaddr
);
570 /* Init CR6 to program M526X operation */
571 update_cr6(db
->cr6_data
, ioaddr
);
573 /* Send setup frame */
574 send_filter_frame(dev
, netdev_mc_count(dev
)); /* M5261/M5263 */
576 /* Init CR7, interrupt active bit */
577 db
->cr7_data
= CR7_DEFAULT
;
578 uw32(DCR7
, db
->cr7_data
);
580 /* Init CR15, Tx jabber and Rx watchdog timer */
581 uw32(DCR15
, db
->cr15_data
);
583 /* Enable ULI526X Tx/Rx function */
584 db
->cr6_data
|= CR6_RXSC
| CR6_TXSC
;
585 update_cr6(db
->cr6_data
, ioaddr
);
590 * Hardware start transmission.
591 * Send a packet to media from the upper layer.
594 static netdev_tx_t
uli526x_start_xmit(struct sk_buff
*skb
,
595 struct net_device
*dev
)
597 struct uli526x_board_info
*db
= netdev_priv(dev
);
598 void __iomem
*ioaddr
= db
->ioaddr
;
599 struct tx_desc
*txptr
;
602 ULI526X_DBUG(0, "uli526x_start_xmit", 0);
604 /* Resource flag check */
605 netif_stop_queue(dev
);
607 /* Too large packet check */
608 if (skb
->len
> MAX_PACKET_SIZE
) {
609 netdev_err(dev
, "big packet = %d\n", (u16
)skb
->len
);
610 dev_kfree_skb_any(skb
);
614 spin_lock_irqsave(&db
->lock
, flags
);
616 /* No Tx resource check, it never happen nromally */
617 if (db
->tx_packet_cnt
>= TX_FREE_DESC_CNT
) {
618 spin_unlock_irqrestore(&db
->lock
, flags
);
619 netdev_err(dev
, "No Tx resource %ld\n", db
->tx_packet_cnt
);
620 return NETDEV_TX_BUSY
;
623 /* Disable NIC interrupt */
626 /* transmit this packet */
627 txptr
= db
->tx_insert_ptr
;
628 skb_copy_from_linear_data(skb
, txptr
->tx_buf_ptr
, skb
->len
);
629 txptr
->tdes1
= cpu_to_le32(0xe1000000 | skb
->len
);
631 /* Point to next transmit free descriptor */
632 db
->tx_insert_ptr
= txptr
->next_tx_desc
;
634 /* Transmit Packet Process */
635 if (db
->tx_packet_cnt
< TX_DESC_CNT
) {
636 txptr
->tdes0
= cpu_to_le32(0x80000000); /* Set owner bit */
637 db
->tx_packet_cnt
++; /* Ready to send */
638 uw32(DCR1
, 0x1); /* Issue Tx polling */
639 dev
->trans_start
= jiffies
; /* saved time stamp */
642 /* Tx resource check */
643 if ( db
->tx_packet_cnt
< TX_FREE_DESC_CNT
)
644 netif_wake_queue(dev
);
646 /* Restore CR7 to enable interrupt */
647 spin_unlock_irqrestore(&db
->lock
, flags
);
648 uw32(DCR7
, db
->cr7_data
);
651 dev_consume_skb_any(skb
);
658 * Stop the interface.
659 * The interface is stopped when it is brought.
662 static int uli526x_stop(struct net_device
*dev
)
664 struct uli526x_board_info
*db
= netdev_priv(dev
);
665 void __iomem
*ioaddr
= db
->ioaddr
;
668 netif_stop_queue(dev
);
671 del_timer_sync(&db
->timer
);
673 /* Reset & stop ULI526X board */
674 uw32(DCR0
, ULI526X_RESET
);
676 db
->phy
.write(db
, db
->phy_addr
, 0, 0x8000);
679 free_irq(db
->pdev
->irq
, dev
);
681 /* free allocated rx buffer */
682 uli526x_free_rxbuffer(db
);
689 * M5261/M5263 insterrupt handler
690 * receive the packet to upper layer, free the transmitted packet
693 static irqreturn_t
uli526x_interrupt(int irq
, void *dev_id
)
695 struct net_device
*dev
= dev_id
;
696 struct uli526x_board_info
*db
= netdev_priv(dev
);
697 void __iomem
*ioaddr
= db
->ioaddr
;
700 spin_lock_irqsave(&db
->lock
, flags
);
703 /* Got ULI526X status */
704 db
->cr5_data
= ur32(DCR5
);
705 uw32(DCR5
, db
->cr5_data
);
706 if ( !(db
->cr5_data
& 0x180c1) ) {
707 /* Restore CR7 to enable interrupt mask */
708 uw32(DCR7
, db
->cr7_data
);
709 spin_unlock_irqrestore(&db
->lock
, flags
);
713 /* Check system status */
714 if (db
->cr5_data
& 0x2000) {
715 /* system bus error happen */
716 ULI526X_DBUG(1, "System bus error happen. CR5=", db
->cr5_data
);
718 db
->wait_reset
= 1; /* Need to RESET */
719 spin_unlock_irqrestore(&db
->lock
, flags
);
723 /* Received the coming packet */
724 if ( (db
->cr5_data
& 0x40) && db
->rx_avail_cnt
)
725 uli526x_rx_packet(dev
, db
);
727 /* reallocate rx descriptor buffer */
728 if (db
->rx_avail_cnt
<RX_DESC_CNT
)
729 allocate_rx_buffer(dev
);
731 /* Free the transmitted descriptor */
732 if ( db
->cr5_data
& 0x01)
733 uli526x_free_tx_pkt(dev
, db
);
735 /* Restore CR7 to enable interrupt mask */
736 uw32(DCR7
, db
->cr7_data
);
738 spin_unlock_irqrestore(&db
->lock
, flags
);
742 #ifdef CONFIG_NET_POLL_CONTROLLER
743 static void uli526x_poll(struct net_device
*dev
)
745 struct uli526x_board_info
*db
= netdev_priv(dev
);
747 /* ISR grabs the irqsave lock, so this should be safe */
748 uli526x_interrupt(db
->pdev
->irq
, dev
);
753 * Free TX resource after TX complete
756 static void uli526x_free_tx_pkt(struct net_device
*dev
,
757 struct uli526x_board_info
* db
)
759 struct tx_desc
*txptr
;
762 txptr
= db
->tx_remove_ptr
;
763 while(db
->tx_packet_cnt
) {
764 tdes0
= le32_to_cpu(txptr
->tdes0
);
765 if (tdes0
& 0x80000000)
768 /* A packet sent completed */
770 dev
->stats
.tx_packets
++;
772 /* Transmit statistic counter */
773 if ( tdes0
!= 0x7fffffff ) {
774 dev
->stats
.collisions
+= (tdes0
>> 3) & 0xf;
775 dev
->stats
.tx_bytes
+= le32_to_cpu(txptr
->tdes1
) & 0x7ff;
776 if (tdes0
& TDES0_ERR_MASK
) {
777 dev
->stats
.tx_errors
++;
778 if (tdes0
& 0x0002) { /* UnderRun */
779 db
->tx_fifo_underrun
++;
780 if ( !(db
->cr6_data
& CR6_SFT
) ) {
781 db
->cr6_data
= db
->cr6_data
| CR6_SFT
;
782 update_cr6(db
->cr6_data
, db
->ioaddr
);
786 db
->tx_excessive_collision
++;
788 db
->tx_late_collision
++;
792 db
->tx_loss_carrier
++;
794 db
->tx_jabber_timeout
++;
798 txptr
= txptr
->next_tx_desc
;
801 /* Update TX remove pointer to next */
802 db
->tx_remove_ptr
= txptr
;
804 /* Resource available check */
805 if ( db
->tx_packet_cnt
< TX_WAKE_DESC_CNT
)
806 netif_wake_queue(dev
); /* Active upper layer, send again */
811 * Receive the come packet and pass to upper layer
814 static void uli526x_rx_packet(struct net_device
*dev
, struct uli526x_board_info
* db
)
816 struct rx_desc
*rxptr
;
821 rxptr
= db
->rx_ready_ptr
;
823 while(db
->rx_avail_cnt
) {
824 rdes0
= le32_to_cpu(rxptr
->rdes0
);
825 if (rdes0
& 0x80000000) /* packet owner check */
831 db
->interval_rx_cnt
++;
833 pci_unmap_single(db
->pdev
, le32_to_cpu(rxptr
->rdes2
), RX_ALLOC_SIZE
, PCI_DMA_FROMDEVICE
);
834 if ( (rdes0
& 0x300) != 0x300) {
835 /* A packet without First/Last flag */
837 ULI526X_DBUG(0, "Reuse SK buffer, rdes0", rdes0
);
838 uli526x_reuse_skb(db
, rxptr
->rx_skb_ptr
);
840 /* A packet with First/Last flag */
841 rxlen
= ( (rdes0
>> 16) & 0x3fff) - 4;
843 /* error summary bit check */
844 if (rdes0
& 0x8000) {
845 /* This is a error packet */
846 dev
->stats
.rx_errors
++;
848 dev
->stats
.rx_fifo_errors
++;
850 dev
->stats
.rx_crc_errors
++;
852 dev
->stats
.rx_length_errors
++;
855 if ( !(rdes0
& 0x8000) ||
856 ((db
->cr6_data
& CR6_PM
) && (rxlen
>6)) ) {
857 struct sk_buff
*new_skb
= NULL
;
859 skb
= rxptr
->rx_skb_ptr
;
861 /* Good packet, send to upper layer */
862 /* Shorst packet used new SKB */
863 if ((rxlen
< RX_COPY_SIZE
) &&
864 (((new_skb
= netdev_alloc_skb(dev
, rxlen
+ 2)) != NULL
))) {
866 /* size less than COPY_SIZE, allocate a rxlen SKB */
867 skb_reserve(skb
, 2); /* 16byte align */
868 memcpy(skb_put(skb
, rxlen
),
869 skb_tail_pointer(rxptr
->rx_skb_ptr
),
871 uli526x_reuse_skb(db
, rxptr
->rx_skb_ptr
);
875 skb
->protocol
= eth_type_trans(skb
, dev
);
877 dev
->stats
.rx_packets
++;
878 dev
->stats
.rx_bytes
+= rxlen
;
881 /* Reuse SKB buffer when the packet is error */
882 ULI526X_DBUG(0, "Reuse SK buffer, rdes0", rdes0
);
883 uli526x_reuse_skb(db
, rxptr
->rx_skb_ptr
);
887 rxptr
= rxptr
->next_rx_desc
;
890 db
->rx_ready_ptr
= rxptr
;
895 * Set ULI526X multicast address
898 static void uli526x_set_filter_mode(struct net_device
* dev
)
900 struct uli526x_board_info
*db
= netdev_priv(dev
);
903 ULI526X_DBUG(0, "uli526x_set_filter_mode()", 0);
904 spin_lock_irqsave(&db
->lock
, flags
);
906 if (dev
->flags
& IFF_PROMISC
) {
907 ULI526X_DBUG(0, "Enable PROM Mode", 0);
908 db
->cr6_data
|= CR6_PM
| CR6_PBF
;
909 update_cr6(db
->cr6_data
, db
->ioaddr
);
910 spin_unlock_irqrestore(&db
->lock
, flags
);
914 if (dev
->flags
& IFF_ALLMULTI
||
915 netdev_mc_count(dev
) > ULI5261_MAX_MULTICAST
) {
916 ULI526X_DBUG(0, "Pass all multicast address",
917 netdev_mc_count(dev
));
918 db
->cr6_data
&= ~(CR6_PM
| CR6_PBF
);
919 db
->cr6_data
|= CR6_PAM
;
920 spin_unlock_irqrestore(&db
->lock
, flags
);
924 ULI526X_DBUG(0, "Set multicast address", netdev_mc_count(dev
));
925 send_filter_frame(dev
, netdev_mc_count(dev
)); /* M5261/M5263 */
926 spin_unlock_irqrestore(&db
->lock
, flags
);
930 ULi_ethtool_gset(struct uli526x_board_info
*db
, struct ethtool_cmd
*ecmd
)
932 ecmd
->supported
= (SUPPORTED_10baseT_Half
|
933 SUPPORTED_10baseT_Full
|
934 SUPPORTED_100baseT_Half
|
935 SUPPORTED_100baseT_Full
|
939 ecmd
->advertising
= (ADVERTISED_10baseT_Half
|
940 ADVERTISED_10baseT_Full
|
941 ADVERTISED_100baseT_Half
|
942 ADVERTISED_100baseT_Full
|
947 ecmd
->port
= PORT_MII
;
948 ecmd
->phy_address
= db
->phy_addr
;
950 ecmd
->transceiver
= XCVR_EXTERNAL
;
952 ethtool_cmd_speed_set(ecmd
, SPEED_10
);
953 ecmd
->duplex
= DUPLEX_HALF
;
955 if(db
->op_mode
==ULI526X_100MHF
|| db
->op_mode
==ULI526X_100MFD
)
957 ethtool_cmd_speed_set(ecmd
, SPEED_100
);
959 if(db
->op_mode
==ULI526X_10MFD
|| db
->op_mode
==ULI526X_100MFD
)
961 ecmd
->duplex
= DUPLEX_FULL
;
965 ethtool_cmd_speed_set(ecmd
, SPEED_UNKNOWN
);
966 ecmd
->duplex
= DUPLEX_UNKNOWN
;
969 if (db
->media_mode
& ULI526X_AUTO
)
971 ecmd
->autoneg
= AUTONEG_ENABLE
;
975 static void netdev_get_drvinfo(struct net_device
*dev
,
976 struct ethtool_drvinfo
*info
)
978 struct uli526x_board_info
*np
= netdev_priv(dev
);
980 strlcpy(info
->driver
, DRV_NAME
, sizeof(info
->driver
));
981 strlcpy(info
->version
, DRV_VERSION
, sizeof(info
->version
));
982 strlcpy(info
->bus_info
, pci_name(np
->pdev
), sizeof(info
->bus_info
));
985 static int netdev_get_settings(struct net_device
*dev
, struct ethtool_cmd
*cmd
) {
986 struct uli526x_board_info
*np
= netdev_priv(dev
);
988 ULi_ethtool_gset(np
, cmd
);
993 static u32
netdev_get_link(struct net_device
*dev
) {
994 struct uli526x_board_info
*np
= netdev_priv(dev
);
1002 static void uli526x_get_wol(struct net_device
*dev
, struct ethtool_wolinfo
*wol
)
1004 wol
->supported
= WAKE_PHY
| WAKE_MAGIC
;
1008 static const struct ethtool_ops netdev_ethtool_ops
= {
1009 .get_drvinfo
= netdev_get_drvinfo
,
1010 .get_settings
= netdev_get_settings
,
1011 .get_link
= netdev_get_link
,
1012 .get_wol
= uli526x_get_wol
,
1016 * A periodic timer routine
1017 * Dynamic media sense, allocate Rx buffer...
1020 static void uli526x_timer(unsigned long data
)
1022 struct net_device
*dev
= (struct net_device
*) data
;
1023 struct uli526x_board_info
*db
= netdev_priv(dev
);
1024 struct uli_phy_ops
*phy
= &db
->phy
;
1025 void __iomem
*ioaddr
= db
->ioaddr
;
1026 unsigned long flags
;
1030 //ULI526X_DBUG(0, "uli526x_timer()", 0);
1031 spin_lock_irqsave(&db
->lock
, flags
);
1034 /* Dynamic reset ULI526X : system error or transmit time-out */
1035 tmp_cr8
= ur32(DCR8
);
1036 if ( (db
->interval_rx_cnt
==0) && (tmp_cr8
) ) {
1040 db
->interval_rx_cnt
= 0;
1042 /* TX polling kick monitor */
1043 if ( db
->tx_packet_cnt
&&
1044 time_after(jiffies
, dev_trans_start(dev
) + ULI526X_TX_KICK
) ) {
1045 uw32(DCR1
, 0x1); // Tx polling again
1048 if ( time_after(jiffies
, dev_trans_start(dev
) + ULI526X_TX_TIMEOUT
) ) {
1049 db
->reset_TXtimeout
++;
1051 netdev_err(dev
, " Tx timeout - resetting\n");
1055 if (db
->wait_reset
) {
1056 ULI526X_DBUG(0, "Dynamic Reset device", db
->tx_packet_cnt
);
1058 uli526x_dynamic_reset(dev
);
1059 db
->timer
.expires
= ULI526X_TIMER_WUT
;
1060 add_timer(&db
->timer
);
1061 spin_unlock_irqrestore(&db
->lock
, flags
);
1065 /* Link status check, Dynamic media type change */
1066 if ((phy
->read(db
, db
->phy_addr
, 5) & 0x01e0)!=0)
1069 if ( !(tmp_cr12
& 0x3) && !db
->link_failed
) {
1071 ULI526X_DBUG(0, "Link Failed", tmp_cr12
);
1072 netif_carrier_off(dev
);
1073 netdev_info(dev
, "NIC Link is Down\n");
1074 db
->link_failed
= 1;
1076 /* For Force 10/100M Half/Full mode: Enable Auto-Nego mode */
1077 /* AUTO don't need */
1078 if ( !(db
->media_mode
& 0x8) )
1079 phy
->write(db
, db
->phy_addr
, 0, 0x1000);
1081 /* AUTO mode, if INT phyxcer link failed, select EXT device */
1082 if (db
->media_mode
& ULI526X_AUTO
) {
1083 db
->cr6_data
&=~0x00000200; /* bit9=0, HD mode */
1084 update_cr6(db
->cr6_data
, db
->ioaddr
);
1087 if ((tmp_cr12
& 0x3) && db
->link_failed
) {
1088 ULI526X_DBUG(0, "Link link OK", tmp_cr12
);
1089 db
->link_failed
= 0;
1091 /* Auto Sense Speed */
1092 if ( (db
->media_mode
& ULI526X_AUTO
) &&
1093 uli526x_sense_speed(db
) )
1094 db
->link_failed
= 1;
1095 uli526x_process_mode(db
);
1097 if(db
->link_failed
==0)
1099 netdev_info(dev
, "NIC Link is Up %d Mbps %s duplex\n",
1100 (db
->op_mode
== ULI526X_100MHF
||
1101 db
->op_mode
== ULI526X_100MFD
)
1103 (db
->op_mode
== ULI526X_10MFD
||
1104 db
->op_mode
== ULI526X_100MFD
)
1106 netif_carrier_on(dev
);
1108 /* SHOW_MEDIA_TYPE(db->op_mode); */
1110 else if(!(tmp_cr12
& 0x3) && db
->link_failed
)
1114 netdev_info(dev
, "NIC Link is Down\n");
1115 netif_carrier_off(dev
);
1120 /* Timer active again */
1121 db
->timer
.expires
= ULI526X_TIMER_WUT
;
1122 add_timer(&db
->timer
);
1123 spin_unlock_irqrestore(&db
->lock
, flags
);
1128 * Stop ULI526X board
1129 * Free Tx/Rx allocated memory
1130 * Init system variable
1133 static void uli526x_reset_prepare(struct net_device
*dev
)
1135 struct uli526x_board_info
*db
= netdev_priv(dev
);
1136 void __iomem
*ioaddr
= db
->ioaddr
;
1138 /* Sopt MAC controller */
1139 db
->cr6_data
&= ~(CR6_RXSC
| CR6_TXSC
); /* Disable Tx/Rx */
1140 update_cr6(db
->cr6_data
, ioaddr
);
1141 uw32(DCR7
, 0); /* Disable Interrupt */
1142 uw32(DCR5
, ur32(DCR5
));
1144 /* Disable upper layer interface */
1145 netif_stop_queue(dev
);
1147 /* Free Rx Allocate buffer */
1148 uli526x_free_rxbuffer(db
);
1150 /* system variable init */
1151 db
->tx_packet_cnt
= 0;
1152 db
->rx_avail_cnt
= 0;
1153 db
->link_failed
= 1;
1160 * Dynamic reset the ULI526X board
1161 * Stop ULI526X board
1162 * Free Tx/Rx allocated memory
1163 * Reset ULI526X board
1164 * Re-initialize ULI526X board
1167 static void uli526x_dynamic_reset(struct net_device
*dev
)
1169 ULI526X_DBUG(0, "uli526x_dynamic_reset()", 0);
1171 uli526x_reset_prepare(dev
);
1173 /* Re-initialize ULI526X board */
1176 /* Restart upper layer interface */
1177 netif_wake_queue(dev
);
1184 * Suspend the interface.
1187 static int uli526x_suspend(struct pci_dev
*pdev
, pm_message_t state
)
1189 struct net_device
*dev
= pci_get_drvdata(pdev
);
1190 pci_power_t power_state
;
1193 ULI526X_DBUG(0, "uli526x_suspend", 0);
1195 pci_save_state(pdev
);
1197 if (!netif_running(dev
))
1200 netif_device_detach(dev
);
1201 uli526x_reset_prepare(dev
);
1203 power_state
= pci_choose_state(pdev
, state
);
1204 pci_enable_wake(pdev
, power_state
, 0);
1205 err
= pci_set_power_state(pdev
, power_state
);
1207 netif_device_attach(dev
);
1208 /* Re-initialize ULI526X board */
1210 /* Restart upper layer interface */
1211 netif_wake_queue(dev
);
1218 * Resume the interface.
1221 static int uli526x_resume(struct pci_dev
*pdev
)
1223 struct net_device
*dev
= pci_get_drvdata(pdev
);
1226 ULI526X_DBUG(0, "uli526x_resume", 0);
1228 pci_restore_state(pdev
);
1230 if (!netif_running(dev
))
1233 err
= pci_set_power_state(pdev
, PCI_D0
);
1235 netdev_warn(dev
, "Could not put device into D0\n");
1239 netif_device_attach(dev
);
1240 /* Re-initialize ULI526X board */
1242 /* Restart upper layer interface */
1243 netif_wake_queue(dev
);
1248 #else /* !CONFIG_PM */
1250 #define uli526x_suspend NULL
1251 #define uli526x_resume NULL
1253 #endif /* !CONFIG_PM */
1257 * free all allocated rx buffer
1260 static void uli526x_free_rxbuffer(struct uli526x_board_info
* db
)
1262 ULI526X_DBUG(0, "uli526x_free_rxbuffer()", 0);
1264 /* free allocated rx buffer */
1265 while (db
->rx_avail_cnt
) {
1266 dev_kfree_skb(db
->rx_ready_ptr
->rx_skb_ptr
);
1267 db
->rx_ready_ptr
= db
->rx_ready_ptr
->next_rx_desc
;
1274 * Reuse the SK buffer
1277 static void uli526x_reuse_skb(struct uli526x_board_info
*db
, struct sk_buff
* skb
)
1279 struct rx_desc
*rxptr
= db
->rx_insert_ptr
;
1281 if (!(rxptr
->rdes0
& cpu_to_le32(0x80000000))) {
1282 rxptr
->rx_skb_ptr
= skb
;
1283 rxptr
->rdes2
= cpu_to_le32(pci_map_single(db
->pdev
,
1284 skb_tail_pointer(skb
),
1286 PCI_DMA_FROMDEVICE
));
1288 rxptr
->rdes0
= cpu_to_le32(0x80000000);
1290 db
->rx_insert_ptr
= rxptr
->next_rx_desc
;
1292 ULI526X_DBUG(0, "SK Buffer reuse method error", db
->rx_avail_cnt
);
1297 * Initialize transmit/Receive descriptor
1298 * Using Chain structure, and allocate Tx/Rx buffer
1301 static void uli526x_descriptor_init(struct net_device
*dev
, void __iomem
*ioaddr
)
1303 struct uli526x_board_info
*db
= netdev_priv(dev
);
1304 struct tx_desc
*tmp_tx
;
1305 struct rx_desc
*tmp_rx
;
1306 unsigned char *tmp_buf
;
1307 dma_addr_t tmp_tx_dma
, tmp_rx_dma
;
1308 dma_addr_t tmp_buf_dma
;
1311 ULI526X_DBUG(0, "uli526x_descriptor_init()", 0);
1313 /* tx descriptor start pointer */
1314 db
->tx_insert_ptr
= db
->first_tx_desc
;
1315 db
->tx_remove_ptr
= db
->first_tx_desc
;
1316 uw32(DCR4
, db
->first_tx_desc_dma
); /* TX DESC address */
1318 /* rx descriptor start pointer */
1319 db
->first_rx_desc
= (void *)db
->first_tx_desc
+ sizeof(struct tx_desc
) * TX_DESC_CNT
;
1320 db
->first_rx_desc_dma
= db
->first_tx_desc_dma
+ sizeof(struct tx_desc
) * TX_DESC_CNT
;
1321 db
->rx_insert_ptr
= db
->first_rx_desc
;
1322 db
->rx_ready_ptr
= db
->first_rx_desc
;
1323 uw32(DCR3
, db
->first_rx_desc_dma
); /* RX DESC address */
1325 /* Init Transmit chain */
1326 tmp_buf
= db
->buf_pool_start
;
1327 tmp_buf_dma
= db
->buf_pool_dma_start
;
1328 tmp_tx_dma
= db
->first_tx_desc_dma
;
1329 for (tmp_tx
= db
->first_tx_desc
, i
= 0; i
< TX_DESC_CNT
; i
++, tmp_tx
++) {
1330 tmp_tx
->tx_buf_ptr
= tmp_buf
;
1331 tmp_tx
->tdes0
= cpu_to_le32(0);
1332 tmp_tx
->tdes1
= cpu_to_le32(0x81000000); /* IC, chain */
1333 tmp_tx
->tdes2
= cpu_to_le32(tmp_buf_dma
);
1334 tmp_tx_dma
+= sizeof(struct tx_desc
);
1335 tmp_tx
->tdes3
= cpu_to_le32(tmp_tx_dma
);
1336 tmp_tx
->next_tx_desc
= tmp_tx
+ 1;
1337 tmp_buf
= tmp_buf
+ TX_BUF_ALLOC
;
1338 tmp_buf_dma
= tmp_buf_dma
+ TX_BUF_ALLOC
;
1340 (--tmp_tx
)->tdes3
= cpu_to_le32(db
->first_tx_desc_dma
);
1341 tmp_tx
->next_tx_desc
= db
->first_tx_desc
;
1343 /* Init Receive descriptor chain */
1344 tmp_rx_dma
=db
->first_rx_desc_dma
;
1345 for (tmp_rx
= db
->first_rx_desc
, i
= 0; i
< RX_DESC_CNT
; i
++, tmp_rx
++) {
1346 tmp_rx
->rdes0
= cpu_to_le32(0);
1347 tmp_rx
->rdes1
= cpu_to_le32(0x01000600);
1348 tmp_rx_dma
+= sizeof(struct rx_desc
);
1349 tmp_rx
->rdes3
= cpu_to_le32(tmp_rx_dma
);
1350 tmp_rx
->next_rx_desc
= tmp_rx
+ 1;
1352 (--tmp_rx
)->rdes3
= cpu_to_le32(db
->first_rx_desc_dma
);
1353 tmp_rx
->next_rx_desc
= db
->first_rx_desc
;
1355 /* pre-allocate Rx buffer */
1356 allocate_rx_buffer(dev
);
1362 * Firstly stop ULI526X, then written value and start
1364 static void update_cr6(u32 cr6_data
, void __iomem
*ioaddr
)
1366 uw32(DCR6
, cr6_data
);
1372 * Send a setup frame for M5261/M5263
1373 * This setup frame initialize ULI526X address filter mode
1377 #define FLT_SHIFT 16
1382 static void send_filter_frame(struct net_device
*dev
, int mc_cnt
)
1384 struct uli526x_board_info
*db
= netdev_priv(dev
);
1385 void __iomem
*ioaddr
= db
->ioaddr
;
1386 struct netdev_hw_addr
*ha
;
1387 struct tx_desc
*txptr
;
1392 ULI526X_DBUG(0, "send_filter_frame()", 0);
1394 txptr
= db
->tx_insert_ptr
;
1395 suptr
= (u32
*) txptr
->tx_buf_ptr
;
1398 addrptr
= (u16
*) dev
->dev_addr
;
1399 *suptr
++ = addrptr
[0] << FLT_SHIFT
;
1400 *suptr
++ = addrptr
[1] << FLT_SHIFT
;
1401 *suptr
++ = addrptr
[2] << FLT_SHIFT
;
1403 /* broadcast address */
1404 *suptr
++ = 0xffff << FLT_SHIFT
;
1405 *suptr
++ = 0xffff << FLT_SHIFT
;
1406 *suptr
++ = 0xffff << FLT_SHIFT
;
1408 /* fit the multicast address */
1409 netdev_for_each_mc_addr(ha
, dev
) {
1410 addrptr
= (u16
*) ha
->addr
;
1411 *suptr
++ = addrptr
[0] << FLT_SHIFT
;
1412 *suptr
++ = addrptr
[1] << FLT_SHIFT
;
1413 *suptr
++ = addrptr
[2] << FLT_SHIFT
;
1416 for (i
= netdev_mc_count(dev
); i
< 14; i
++) {
1417 *suptr
++ = 0xffff << FLT_SHIFT
;
1418 *suptr
++ = 0xffff << FLT_SHIFT
;
1419 *suptr
++ = 0xffff << FLT_SHIFT
;
1422 /* prepare the setup frame */
1423 db
->tx_insert_ptr
= txptr
->next_tx_desc
;
1424 txptr
->tdes1
= cpu_to_le32(0x890000c0);
1426 /* Resource Check and Send the setup packet */
1427 if (db
->tx_packet_cnt
< TX_DESC_CNT
) {
1428 /* Resource Empty */
1429 db
->tx_packet_cnt
++;
1430 txptr
->tdes0
= cpu_to_le32(0x80000000);
1431 update_cr6(db
->cr6_data
| 0x2000, ioaddr
);
1432 uw32(DCR1
, 0x1); /* Issue Tx polling */
1433 update_cr6(db
->cr6_data
, ioaddr
);
1434 dev
->trans_start
= jiffies
;
1436 netdev_err(dev
, "No Tx resource - Send_filter_frame!\n");
1441 * Allocate rx buffer,
1442 * As possible as allocate maxiumn Rx buffer
1445 static void allocate_rx_buffer(struct net_device
*dev
)
1447 struct uli526x_board_info
*db
= netdev_priv(dev
);
1448 struct rx_desc
*rxptr
;
1449 struct sk_buff
*skb
;
1451 rxptr
= db
->rx_insert_ptr
;
1453 while(db
->rx_avail_cnt
< RX_DESC_CNT
) {
1454 skb
= netdev_alloc_skb(dev
, RX_ALLOC_SIZE
);
1457 rxptr
->rx_skb_ptr
= skb
; /* FIXME (?) */
1458 rxptr
->rdes2
= cpu_to_le32(pci_map_single(db
->pdev
,
1459 skb_tail_pointer(skb
),
1461 PCI_DMA_FROMDEVICE
));
1463 rxptr
->rdes0
= cpu_to_le32(0x80000000);
1464 rxptr
= rxptr
->next_rx_desc
;
1468 db
->rx_insert_ptr
= rxptr
;
1473 * Read one word data from the serial ROM
1476 static u16
read_srom_word(struct uli526x_board_info
*db
, int offset
)
1478 void __iomem
*ioaddr
= db
->ioaddr
;
1482 uw32(DCR9
, CR9_SROM_READ
);
1483 uw32(DCR9
, CR9_SROM_READ
| CR9_SRCS
);
1485 /* Send the Read Command 110b */
1486 srom_clk_write(db
, SROM_DATA_1
);
1487 srom_clk_write(db
, SROM_DATA_1
);
1488 srom_clk_write(db
, SROM_DATA_0
);
1490 /* Send the offset */
1491 for (i
= 5; i
>= 0; i
--) {
1492 srom_data
= (offset
& (1 << i
)) ? SROM_DATA_1
: SROM_DATA_0
;
1493 srom_clk_write(db
, srom_data
);
1496 uw32(DCR9
, CR9_SROM_READ
| CR9_SRCS
);
1498 for (i
= 16; i
> 0; i
--) {
1499 uw32(DCR9
, CR9_SROM_READ
| CR9_SRCS
| CR9_SRCLK
);
1501 srom_data
= (srom_data
<< 1) |
1502 ((ur32(DCR9
) & CR9_CRDOUT
) ? 1 : 0);
1503 uw32(DCR9
, CR9_SROM_READ
| CR9_SRCS
);
1507 uw32(DCR9
, CR9_SROM_READ
);
1513 * Auto sense the media mode
1516 static u8
uli526x_sense_speed(struct uli526x_board_info
* db
)
1518 struct uli_phy_ops
*phy
= &db
->phy
;
1522 phy_mode
= phy
->read(db
, db
->phy_addr
, 1);
1523 phy_mode
= phy
->read(db
, db
->phy_addr
, 1);
1525 if ( (phy_mode
& 0x24) == 0x24 ) {
1527 phy_mode
= ((phy
->read(db
, db
->phy_addr
, 5) & 0x01e0)<<7);
1530 else if(phy_mode
&0x4000)
1532 else if(phy_mode
&0x2000)
1538 case 0x1000: db
->op_mode
= ULI526X_10MHF
; break;
1539 case 0x2000: db
->op_mode
= ULI526X_10MFD
; break;
1540 case 0x4000: db
->op_mode
= ULI526X_100MHF
; break;
1541 case 0x8000: db
->op_mode
= ULI526X_100MFD
; break;
1542 default: db
->op_mode
= ULI526X_10MHF
; ErrFlag
= 1; break;
1545 db
->op_mode
= ULI526X_10MHF
;
1546 ULI526X_DBUG(0, "Link Failed :", phy_mode
);
1555 * Set 10/100 phyxcer capability
1556 * AUTO mode : phyxcer register4 is NIC capability
1557 * Force mode: phyxcer register4 is the force media
1560 static void uli526x_set_phyxcer(struct uli526x_board_info
*db
)
1562 struct uli_phy_ops
*phy
= &db
->phy
;
1565 /* Phyxcer capability setting */
1566 phy_reg
= phy
->read(db
, db
->phy_addr
, 4) & ~0x01e0;
1568 if (db
->media_mode
& ULI526X_AUTO
) {
1570 phy_reg
|= db
->PHY_reg4
;
1573 switch(db
->media_mode
) {
1574 case ULI526X_10MHF
: phy_reg
|= 0x20; break;
1575 case ULI526X_10MFD
: phy_reg
|= 0x40; break;
1576 case ULI526X_100MHF
: phy_reg
|= 0x80; break;
1577 case ULI526X_100MFD
: phy_reg
|= 0x100; break;
1582 /* Write new capability to Phyxcer Reg4 */
1583 if ( !(phy_reg
& 0x01e0)) {
1584 phy_reg
|=db
->PHY_reg4
;
1585 db
->media_mode
|=ULI526X_AUTO
;
1587 phy
->write(db
, db
->phy_addr
, 4, phy_reg
);
1589 /* Restart Auto-Negotiation */
1590 phy
->write(db
, db
->phy_addr
, 0, 0x1200);
1597 AUTO mode : PHY controller in Auto-negotiation Mode
1598 * Force mode: PHY controller in force mode with HUB
1599 * N-way force capability with SWITCH
1602 static void uli526x_process_mode(struct uli526x_board_info
*db
)
1604 struct uli_phy_ops
*phy
= &db
->phy
;
1607 /* Full Duplex Mode Check */
1608 if (db
->op_mode
& 0x4)
1609 db
->cr6_data
|= CR6_FDM
; /* Set Full Duplex Bit */
1611 db
->cr6_data
&= ~CR6_FDM
; /* Clear Full Duplex Bit */
1613 update_cr6(db
->cr6_data
, db
->ioaddr
);
1615 /* 10/100M phyxcer force mode need */
1616 if (!(db
->media_mode
& 0x8)) {
1618 phy_reg
= phy
->read(db
, db
->phy_addr
, 6);
1619 if (!(phy_reg
& 0x1)) {
1620 /* parter without N-Way capability */
1622 switch(db
->op_mode
) {
1623 case ULI526X_10MHF
: phy_reg
= 0x0; break;
1624 case ULI526X_10MFD
: phy_reg
= 0x100; break;
1625 case ULI526X_100MHF
: phy_reg
= 0x2000; break;
1626 case ULI526X_100MFD
: phy_reg
= 0x2100; break;
1628 phy
->write(db
, db
->phy_addr
, 0, phy_reg
);
1634 /* M5261/M5263 Chip */
1635 static void phy_writeby_cr9(struct uli526x_board_info
*db
, u8 phy_addr
,
1636 u8 offset
, u16 phy_data
)
1640 /* Send 33 synchronization clock to Phy controller */
1641 for (i
= 0; i
< 35; i
++)
1642 phy_write_1bit(db
, PHY_DATA_1
);
1644 /* Send start command(01) to Phy */
1645 phy_write_1bit(db
, PHY_DATA_0
);
1646 phy_write_1bit(db
, PHY_DATA_1
);
1648 /* Send write command(01) to Phy */
1649 phy_write_1bit(db
, PHY_DATA_0
);
1650 phy_write_1bit(db
, PHY_DATA_1
);
1652 /* Send Phy address */
1653 for (i
= 0x10; i
> 0; i
= i
>> 1)
1654 phy_write_1bit(db
, phy_addr
& i
? PHY_DATA_1
: PHY_DATA_0
);
1656 /* Send register address */
1657 for (i
= 0x10; i
> 0; i
= i
>> 1)
1658 phy_write_1bit(db
, offset
& i
? PHY_DATA_1
: PHY_DATA_0
);
1660 /* written trasnition */
1661 phy_write_1bit(db
, PHY_DATA_1
);
1662 phy_write_1bit(db
, PHY_DATA_0
);
1664 /* Write a word data to PHY controller */
1665 for (i
= 0x8000; i
> 0; i
>>= 1)
1666 phy_write_1bit(db
, phy_data
& i
? PHY_DATA_1
: PHY_DATA_0
);
1669 static u16
phy_readby_cr9(struct uli526x_board_info
*db
, u8 phy_addr
, u8 offset
)
1674 /* Send 33 synchronization clock to Phy controller */
1675 for (i
= 0; i
< 35; i
++)
1676 phy_write_1bit(db
, PHY_DATA_1
);
1678 /* Send start command(01) to Phy */
1679 phy_write_1bit(db
, PHY_DATA_0
);
1680 phy_write_1bit(db
, PHY_DATA_1
);
1682 /* Send read command(10) to Phy */
1683 phy_write_1bit(db
, PHY_DATA_1
);
1684 phy_write_1bit(db
, PHY_DATA_0
);
1686 /* Send Phy address */
1687 for (i
= 0x10; i
> 0; i
= i
>> 1)
1688 phy_write_1bit(db
, phy_addr
& i
? PHY_DATA_1
: PHY_DATA_0
);
1690 /* Send register address */
1691 for (i
= 0x10; i
> 0; i
= i
>> 1)
1692 phy_write_1bit(db
, offset
& i
? PHY_DATA_1
: PHY_DATA_0
);
1694 /* Skip transition state */
1697 /* read 16bit data */
1698 for (phy_data
= 0, i
= 0; i
< 16; i
++) {
1700 phy_data
|= phy_read_1bit(db
);
1706 static u16
phy_readby_cr10(struct uli526x_board_info
*db
, u8 phy_addr
,
1709 void __iomem
*ioaddr
= db
->ioaddr
;
1710 u32 cr10_value
= phy_addr
;
1712 cr10_value
= (cr10_value
<< 5) + offset
;
1713 cr10_value
= (cr10_value
<< 16) + 0x08000000;
1714 uw32(DCR10
, cr10_value
);
1717 cr10_value
= ur32(DCR10
);
1718 if (cr10_value
& 0x10000000)
1721 return cr10_value
& 0x0ffff;
1724 static void phy_writeby_cr10(struct uli526x_board_info
*db
, u8 phy_addr
,
1725 u8 offset
, u16 phy_data
)
1727 void __iomem
*ioaddr
= db
->ioaddr
;
1728 u32 cr10_value
= phy_addr
;
1730 cr10_value
= (cr10_value
<< 5) + offset
;
1731 cr10_value
= (cr10_value
<< 16) + 0x04000000 + phy_data
;
1732 uw32(DCR10
, cr10_value
);
1736 * Write one bit data to Phy Controller
1739 static void phy_write_1bit(struct uli526x_board_info
*db
, u32 data
)
1741 void __iomem
*ioaddr
= db
->ioaddr
;
1743 uw32(DCR9
, data
); /* MII Clock Low */
1745 uw32(DCR9
, data
| MDCLKH
); /* MII Clock High */
1747 uw32(DCR9
, data
); /* MII Clock Low */
1753 * Read one bit phy data from PHY controller
1756 static u16
phy_read_1bit(struct uli526x_board_info
*db
)
1758 void __iomem
*ioaddr
= db
->ioaddr
;
1761 uw32(DCR9
, 0x50000);
1763 phy_data
= (ur32(DCR9
) >> 19) & 0x1;
1764 uw32(DCR9
, 0x40000);
1771 static const struct pci_device_id uli526x_pci_tbl
[] = {
1772 { 0x10B9, 0x5261, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, PCI_ULI5261_ID
},
1773 { 0x10B9, 0x5263, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, PCI_ULI5263_ID
},
1776 MODULE_DEVICE_TABLE(pci
, uli526x_pci_tbl
);
1779 static struct pci_driver uli526x_driver
= {
1781 .id_table
= uli526x_pci_tbl
,
1782 .probe
= uli526x_init_one
,
1783 .remove
= uli526x_remove_one
,
1784 .suspend
= uli526x_suspend
,
1785 .resume
= uli526x_resume
,
1788 MODULE_AUTHOR("Peer Chen, peer.chen@uli.com.tw");
1789 MODULE_DESCRIPTION("ULi M5261/M5263 fast ethernet driver");
1790 MODULE_LICENSE("GPL");
1792 module_param(debug
, int, 0644);
1793 module_param(mode
, int, 0);
1794 module_param(cr6set
, int, 0);
1795 MODULE_PARM_DESC(debug
, "ULi M5261/M5263 enable debugging (0-1)");
1796 MODULE_PARM_DESC(mode
, "ULi M5261/M5263: Bit 0: 10/100Mbps, bit 2: duplex, bit 8: HomePNA");
1799 * when user used insmod to add module, system invoked init_module()
1800 * to register the services.
1803 static int __init
uli526x_init_module(void)
1806 pr_info("%s\n", version
);
1807 printed_version
= 1;
1809 ULI526X_DBUG(0, "init_module() ", debug
);
1812 uli526x_debug
= debug
; /* set debug flag */
1814 uli526x_cr6_user_set
= cr6set
;
1818 case ULI526X_100MHF
:
1820 case ULI526X_100MFD
:
1821 uli526x_media_mode
= mode
;
1824 uli526x_media_mode
= ULI526X_AUTO
;
1828 return pci_register_driver(&uli526x_driver
);
1834 * when user used rmmod to delete module, system invoked clean_module()
1835 * to un-register all registered services.
1838 static void __exit
uli526x_cleanup_module(void)
1840 ULI526X_DBUG(0, "uli526x_clean_module() ", debug
);
1841 pci_unregister_driver(&uli526x_driver
);
1844 module_init(uli526x_init_module
);
1845 module_exit(uli526x_cleanup_module
);