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Commit | Line | Data |
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c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
4689ced9 | 2 | /* |
4689ced9 | 3 | |
f3b197ac | 4 | |
4689ced9 PC |
5 | */ |
6 | ||
e02fb7aa JP |
7 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
8 | ||
4689ced9 PC |
9 | #define DRV_NAME "uli526x" |
10 | #define DRV_VERSION "0.9.3" | |
11 | #define DRV_RELDATE "2005-7-29" | |
12 | ||
13 | #include <linux/module.h> | |
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/string.h> | |
17 | #include <linux/timer.h> | |
4689ced9 PC |
18 | #include <linux/errno.h> |
19 | #include <linux/ioport.h> | |
4689ced9 PC |
20 | #include <linux/interrupt.h> |
21 | #include <linux/pci.h> | |
22 | #include <linux/init.h> | |
23 | #include <linux/netdevice.h> | |
24 | #include <linux/etherdevice.h> | |
25 | #include <linux/ethtool.h> | |
26 | #include <linux/skbuff.h> | |
27 | #include <linux/delay.h> | |
28 | #include <linux/spinlock.h> | |
6cafa99f | 29 | #include <linux/dma-mapping.h> |
1977f032 | 30 | #include <linux/bitops.h> |
4689ced9 PC |
31 | |
32 | #include <asm/processor.h> | |
4689ced9 PC |
33 | #include <asm/io.h> |
34 | #include <asm/dma.h> | |
7c0f6ba6 | 35 | #include <linux/uaccess.h> |
4689ced9 | 36 | |
3acf4b5c FR |
37 | #define uw32(reg, val) iowrite32(val, ioaddr + (reg)) |
38 | #define ur32(reg) ioread32(ioaddr + (reg)) | |
4689ced9 PC |
39 | |
40 | /* Board/System/Debug information/definition ---------------- */ | |
41 | #define PCI_ULI5261_ID 0x526110B9 /* ULi M5261 ID*/ | |
42 | #define PCI_ULI5263_ID 0x526310B9 /* ULi M5263 ID*/ | |
43 | ||
44 | #define ULI526X_IO_SIZE 0x100 | |
45 | #define TX_DESC_CNT 0x20 /* Allocated Tx descriptors */ | |
46 | #define RX_DESC_CNT 0x30 /* Allocated Rx descriptors */ | |
47 | #define TX_FREE_DESC_CNT (TX_DESC_CNT - 2) /* Max TX packet count */ | |
48 | #define TX_WAKE_DESC_CNT (TX_DESC_CNT - 3) /* TX wakeup count */ | |
49 | #define DESC_ALL_CNT (TX_DESC_CNT + RX_DESC_CNT) | |
50 | #define TX_BUF_ALLOC 0x600 | |
51 | #define RX_ALLOC_SIZE 0x620 | |
52 | #define ULI526X_RESET 1 | |
53 | #define CR0_DEFAULT 0 | |
945a7876 | 54 | #define CR6_DEFAULT 0x22200000 |
4689ced9 PC |
55 | #define CR7_DEFAULT 0x180c1 |
56 | #define CR15_DEFAULT 0x06 /* TxJabber RxWatchdog */ | |
57 | #define TDES0_ERR_MASK 0x4302 /* TXJT, LC, EC, FUE */ | |
58 | #define MAX_PACKET_SIZE 1514 | |
59 | #define ULI5261_MAX_MULTICAST 14 | |
60 | #define RX_COPY_SIZE 100 | |
61 | #define MAX_CHECK_PACKET 0x8000 | |
62 | ||
63 | #define ULI526X_10MHF 0 | |
64 | #define ULI526X_100MHF 1 | |
65 | #define ULI526X_10MFD 4 | |
66 | #define ULI526X_100MFD 5 | |
67 | #define ULI526X_AUTO 8 | |
68 | ||
69 | #define ULI526X_TXTH_72 0x400000 /* TX TH 72 byte */ | |
70 | #define ULI526X_TXTH_96 0x404000 /* TX TH 96 byte */ | |
71 | #define ULI526X_TXTH_128 0x0000 /* TX TH 128 byte */ | |
72 | #define ULI526X_TXTH_256 0x4000 /* TX TH 256 byte */ | |
73 | #define ULI526X_TXTH_512 0x8000 /* TX TH 512 byte */ | |
74 | #define ULI526X_TXTH_1K 0xC000 /* TX TH 1K byte */ | |
75 | ||
76 | #define ULI526X_TIMER_WUT (jiffies + HZ * 1)/* timer wakeup time : 1 second */ | |
77 | #define ULI526X_TX_TIMEOUT ((16*HZ)/2) /* tx packet time-out time 8 s" */ | |
78 | #define ULI526X_TX_KICK (4*HZ/2) /* tx packet Kick-out time 2 s" */ | |
79 | ||
e02fb7aa JP |
80 | #define ULI526X_DBUG(dbug_now, msg, value) \ |
81 | do { \ | |
82 | if (uli526x_debug || (dbug_now)) \ | |
83 | pr_err("%s %lx\n", (msg), (long) (value)); \ | |
84 | } while (0) | |
4689ced9 | 85 | |
e02fb7aa JP |
86 | #define SHOW_MEDIA_TYPE(mode) \ |
87 | pr_err("Change Speed to %sMhz %s duplex\n", \ | |
88 | mode & 1 ? "100" : "10", \ | |
89 | mode & 4 ? "full" : "half"); | |
4689ced9 PC |
90 | |
91 | ||
92 | /* CR9 definition: SROM/MII */ | |
93 | #define CR9_SROM_READ 0x4800 | |
94 | #define CR9_SRCS 0x1 | |
95 | #define CR9_SRCLK 0x2 | |
96 | #define CR9_CRDOUT 0x8 | |
97 | #define SROM_DATA_0 0x0 | |
98 | #define SROM_DATA_1 0x4 | |
99 | #define PHY_DATA_1 0x20000 | |
100 | #define PHY_DATA_0 0x00000 | |
101 | #define MDCLKH 0x10000 | |
102 | ||
103 | #define PHY_POWER_DOWN 0x800 | |
104 | ||
105 | #define SROM_V41_CODE 0x14 | |
106 | ||
4689ced9 PC |
107 | /* Structure/enum declaration ------------------------------- */ |
108 | struct tx_desc { | |
c559a5bc | 109 | __le32 tdes0, tdes1, tdes2, tdes3; /* Data for the card */ |
4689ced9 PC |
110 | char *tx_buf_ptr; /* Data for us */ |
111 | struct tx_desc *next_tx_desc; | |
112 | } __attribute__(( aligned(32) )); | |
113 | ||
114 | struct rx_desc { | |
c559a5bc | 115 | __le32 rdes0, rdes1, rdes2, rdes3; /* Data for the card */ |
4689ced9 PC |
116 | struct sk_buff *rx_skb_ptr; /* Data for us */ |
117 | struct rx_desc *next_rx_desc; | |
118 | } __attribute__(( aligned(32) )); | |
119 | ||
120 | struct uli526x_board_info { | |
3acf4b5c FR |
121 | struct uli_phy_ops { |
122 | void (*write)(struct uli526x_board_info *, u8, u8, u16); | |
123 | u16 (*read)(struct uli526x_board_info *, u8, u8); | |
124 | } phy; | |
945a7876 | 125 | struct net_device *next_dev; /* next device */ |
4689ced9 PC |
126 | struct pci_dev *pdev; /* PCI device */ |
127 | spinlock_t lock; | |
128 | ||
3acf4b5c | 129 | void __iomem *ioaddr; /* I/O base address */ |
4689ced9 PC |
130 | u32 cr0_data; |
131 | u32 cr5_data; | |
132 | u32 cr6_data; | |
133 | u32 cr7_data; | |
134 | u32 cr15_data; | |
135 | ||
136 | /* pointer for memory physical address */ | |
137 | dma_addr_t buf_pool_dma_ptr; /* Tx buffer pool memory */ | |
138 | dma_addr_t buf_pool_dma_start; /* Tx buffer pool align dword */ | |
139 | dma_addr_t desc_pool_dma_ptr; /* descriptor pool memory */ | |
140 | dma_addr_t first_tx_desc_dma; | |
141 | dma_addr_t first_rx_desc_dma; | |
142 | ||
143 | /* descriptor pointer */ | |
144 | unsigned char *buf_pool_ptr; /* Tx buffer pool memory */ | |
145 | unsigned char *buf_pool_start; /* Tx buffer pool align dword */ | |
146 | unsigned char *desc_pool_ptr; /* descriptor pool memory */ | |
147 | struct tx_desc *first_tx_desc; | |
148 | struct tx_desc *tx_insert_ptr; | |
149 | struct tx_desc *tx_remove_ptr; | |
150 | struct rx_desc *first_rx_desc; | |
151 | struct rx_desc *rx_insert_ptr; | |
152 | struct rx_desc *rx_ready_ptr; /* packet come pointer */ | |
153 | unsigned long tx_packet_cnt; /* transmitted packet count */ | |
154 | unsigned long rx_avail_cnt; /* available rx descriptor count */ | |
155 | unsigned long interval_rx_cnt; /* rx packet count a callback time */ | |
156 | ||
157 | u16 dbug_cnt; | |
158 | u16 NIC_capability; /* NIC media capability */ | |
159 | u16 PHY_reg4; /* Saved Phyxcer register 4 value */ | |
160 | ||
161 | u8 media_mode; /* user specify media mode */ | |
162 | u8 op_mode; /* real work media mode */ | |
163 | u8 phy_addr; | |
164 | u8 link_failed; /* Ever link failed */ | |
165 | u8 wait_reset; /* Hardware failed, need to reset */ | |
166 | struct timer_list timer; | |
167 | ||
4689ced9 PC |
168 | /* Driver defined statistic counter */ |
169 | unsigned long tx_fifo_underrun; | |
170 | unsigned long tx_loss_carrier; | |
171 | unsigned long tx_no_carrier; | |
172 | unsigned long tx_late_collision; | |
173 | unsigned long tx_excessive_collision; | |
174 | unsigned long tx_jabber_timeout; | |
175 | unsigned long reset_count; | |
176 | unsigned long reset_cr8; | |
177 | unsigned long reset_fatal; | |
178 | unsigned long reset_TXtimeout; | |
179 | ||
180 | /* NIC SROM data */ | |
181 | unsigned char srom[128]; | |
f3b197ac | 182 | u8 init; |
4689ced9 PC |
183 | }; |
184 | ||
185 | enum uli526x_offsets { | |
186 | DCR0 = 0x00, DCR1 = 0x08, DCR2 = 0x10, DCR3 = 0x18, DCR4 = 0x20, | |
187 | DCR5 = 0x28, DCR6 = 0x30, DCR7 = 0x38, DCR8 = 0x40, DCR9 = 0x48, | |
188 | DCR10 = 0x50, DCR11 = 0x58, DCR12 = 0x60, DCR13 = 0x68, DCR14 = 0x70, | |
189 | DCR15 = 0x78 | |
190 | }; | |
191 | ||
192 | enum uli526x_CR6_bits { | |
193 | CR6_RXSC = 0x2, CR6_PBF = 0x8, CR6_PM = 0x40, CR6_PAM = 0x80, | |
194 | CR6_FDM = 0x200, CR6_TXSC = 0x2000, CR6_STI = 0x100000, | |
195 | CR6_SFT = 0x200000, CR6_RXA = 0x40000000, CR6_NO_PURGE = 0x20000000 | |
196 | }; | |
197 | ||
198 | /* Global variable declaration ----------------------------- */ | |
779c1a85 BP |
199 | static int printed_version; |
200 | static const char version[] = | |
1c3319fb | 201 | "ULi M5261/M5263 net driver, version " DRV_VERSION " (" DRV_RELDATE ")"; |
4689ced9 PC |
202 | |
203 | static int uli526x_debug; | |
204 | static unsigned char uli526x_media_mode = ULI526X_AUTO; | |
205 | static u32 uli526x_cr6_user_set; | |
206 | ||
207 | /* For module input parameter */ | |
208 | static int debug; | |
209 | static u32 cr6set; | |
99bb2579 | 210 | static int mode = 8; |
4689ced9 PC |
211 | |
212 | /* function declaration ------------------------------------- */ | |
945a7876 | 213 | static int uli526x_open(struct net_device *); |
ad096463 SH |
214 | static netdev_tx_t uli526x_start_xmit(struct sk_buff *, |
215 | struct net_device *); | |
945a7876 | 216 | static int uli526x_stop(struct net_device *); |
945a7876 | 217 | static void uli526x_set_filter_mode(struct net_device *); |
7282d491 | 218 | static const struct ethtool_ops netdev_ethtool_ops; |
3acf4b5c | 219 | static u16 read_srom_word(struct uli526x_board_info *, int); |
7d12e780 | 220 | static irqreturn_t uli526x_interrupt(int, void *); |
7fa0cba3 AV |
221 | #ifdef CONFIG_NET_POLL_CONTROLLER |
222 | static void uli526x_poll(struct net_device *dev); | |
223 | #endif | |
3acf4b5c | 224 | static void uli526x_descriptor_init(struct net_device *, void __iomem *); |
1ab0d2ec | 225 | static void allocate_rx_buffer(struct net_device *); |
3acf4b5c | 226 | static void update_cr6(u32, void __iomem *); |
945a7876 | 227 | static void send_filter_frame(struct net_device *, int); |
3acf4b5c FR |
228 | static u16 phy_readby_cr9(struct uli526x_board_info *, u8, u8); |
229 | static u16 phy_readby_cr10(struct uli526x_board_info *, u8, u8); | |
230 | static void phy_writeby_cr9(struct uli526x_board_info *, u8, u8, u16); | |
231 | static void phy_writeby_cr10(struct uli526x_board_info *, u8, u8, u16); | |
232 | static void phy_write_1bit(struct uli526x_board_info *db, u32); | |
233 | static u16 phy_read_1bit(struct uli526x_board_info *db); | |
4689ced9 PC |
234 | static u8 uli526x_sense_speed(struct uli526x_board_info *); |
235 | static void uli526x_process_mode(struct uli526x_board_info *); | |
a8c22a2b | 236 | static void uli526x_timer(struct timer_list *t); |
945a7876 PC |
237 | static void uli526x_rx_packet(struct net_device *, struct uli526x_board_info *); |
238 | static void uli526x_free_tx_pkt(struct net_device *, struct uli526x_board_info *); | |
4689ced9 | 239 | static void uli526x_reuse_skb(struct uli526x_board_info *, struct sk_buff *); |
945a7876 | 240 | static void uli526x_dynamic_reset(struct net_device *); |
4689ced9 | 241 | static void uli526x_free_rxbuffer(struct uli526x_board_info *); |
945a7876 | 242 | static void uli526x_init(struct net_device *); |
4689ced9 PC |
243 | static void uli526x_set_phyxcer(struct uli526x_board_info *); |
244 | ||
3acf4b5c FR |
245 | static void srom_clk_write(struct uli526x_board_info *db, u32 data) |
246 | { | |
247 | void __iomem *ioaddr = db->ioaddr; | |
248 | ||
249 | uw32(DCR9, data | CR9_SROM_READ | CR9_SRCS); | |
250 | udelay(5); | |
251 | uw32(DCR9, data | CR9_SROM_READ | CR9_SRCS | CR9_SRCLK); | |
252 | udelay(5); | |
253 | uw32(DCR9, data | CR9_SROM_READ | CR9_SRCS); | |
254 | udelay(5); | |
255 | } | |
256 | ||
945a7876 | 257 | /* ULI526X network board routine ---------------------------- */ |
4689ced9 | 258 | |
dfefe02b SH |
259 | static const struct net_device_ops netdev_ops = { |
260 | .ndo_open = uli526x_open, | |
261 | .ndo_stop = uli526x_stop, | |
262 | .ndo_start_xmit = uli526x_start_xmit, | |
afc4b13d | 263 | .ndo_set_rx_mode = uli526x_set_filter_mode, |
dfefe02b SH |
264 | .ndo_set_mac_address = eth_mac_addr, |
265 | .ndo_validate_addr = eth_validate_addr, | |
266 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
267 | .ndo_poll_controller = uli526x_poll, | |
268 | #endif | |
269 | }; | |
270 | ||
4689ced9 | 271 | /* |
945a7876 | 272 | * Search ULI526X board, allocate space and register it |
4689ced9 PC |
273 | */ |
274 | ||
779c1a85 BP |
275 | static int uli526x_init_one(struct pci_dev *pdev, |
276 | const struct pci_device_id *ent) | |
4689ced9 PC |
277 | { |
278 | struct uli526x_board_info *db; /* board information structure */ | |
279 | struct net_device *dev; | |
3acf4b5c | 280 | void __iomem *ioaddr; |
4689ced9 | 281 | int i, err; |
f3b197ac | 282 | |
4689ced9 PC |
283 | ULI526X_DBUG(0, "uli526x_init_one()", 0); |
284 | ||
285 | if (!printed_version++) | |
1c3319fb | 286 | pr_info("%s\n", version); |
4689ced9 PC |
287 | |
288 | /* Init network device */ | |
289 | dev = alloc_etherdev(sizeof(*db)); | |
290 | if (dev == NULL) | |
291 | return -ENOMEM; | |
4689ced9 PC |
292 | SET_NETDEV_DEV(dev, &pdev->dev); |
293 | ||
284901a9 | 294 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { |
163ef0b5 | 295 | pr_warn("32-bit PCI DMA not available\n"); |
4689ced9 PC |
296 | err = -ENODEV; |
297 | goto err_out_free; | |
298 | } | |
299 | ||
300 | /* Enable Master/IO access, Disable memory access */ | |
301 | err = pci_enable_device(pdev); | |
302 | if (err) | |
303 | goto err_out_free; | |
304 | ||
305 | if (!pci_resource_start(pdev, 0)) { | |
e02fb7aa | 306 | pr_err("I/O base is zero\n"); |
4689ced9 PC |
307 | err = -ENODEV; |
308 | goto err_out_disable; | |
309 | } | |
310 | ||
311 | if (pci_resource_len(pdev, 0) < (ULI526X_IO_SIZE) ) { | |
e02fb7aa | 312 | pr_err("Allocated I/O size too small\n"); |
4689ced9 PC |
313 | err = -ENODEV; |
314 | goto err_out_disable; | |
315 | } | |
316 | ||
5e58deb9 FR |
317 | err = pci_request_regions(pdev, DRV_NAME); |
318 | if (err < 0) { | |
e02fb7aa | 319 | pr_err("Failed to request PCI regions\n"); |
4689ced9 PC |
320 | goto err_out_disable; |
321 | } | |
322 | ||
4689ced9 PC |
323 | /* Init system & device */ |
324 | db = netdev_priv(dev); | |
325 | ||
326 | /* Allocate Tx/Rx descriptor memory */ | |
5e58deb9 FR |
327 | err = -ENOMEM; |
328 | ||
4689ced9 | 329 | db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr); |
5e58deb9 FR |
330 | if (!db->desc_pool_ptr) |
331 | goto err_out_release; | |
332 | ||
4689ced9 | 333 | db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, &db->buf_pool_dma_ptr); |
5e58deb9 FR |
334 | if (!db->buf_pool_ptr) |
335 | goto err_out_free_tx_desc; | |
f3b197ac | 336 | |
4689ced9 PC |
337 | db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr; |
338 | db->first_tx_desc_dma = db->desc_pool_dma_ptr; | |
339 | db->buf_pool_start = db->buf_pool_ptr; | |
340 | db->buf_pool_dma_start = db->buf_pool_dma_ptr; | |
341 | ||
3acf4b5c FR |
342 | switch (ent->driver_data) { |
343 | case PCI_ULI5263_ID: | |
344 | db->phy.write = phy_writeby_cr10; | |
345 | db->phy.read = phy_readby_cr10; | |
346 | break; | |
347 | default: | |
348 | db->phy.write = phy_writeby_cr9; | |
349 | db->phy.read = phy_readby_cr9; | |
350 | break; | |
351 | } | |
352 | ||
353 | /* IO region. */ | |
354 | ioaddr = pci_iomap(pdev, 0, 0); | |
355 | if (!ioaddr) | |
356 | goto err_out_free_tx_buf; | |
f3b197ac | 357 | |
3acf4b5c | 358 | db->ioaddr = ioaddr; |
4689ced9 PC |
359 | db->pdev = pdev; |
360 | db->init = 1; | |
f3b197ac | 361 | |
4689ced9 | 362 | pci_set_drvdata(pdev, dev); |
f3b197ac | 363 | |
4689ced9 | 364 | /* Register some necessary functions */ |
dfefe02b | 365 | dev->netdev_ops = &netdev_ops; |
4689ced9 | 366 | dev->ethtool_ops = &netdev_ethtool_ops; |
dfefe02b | 367 | |
4689ced9 PC |
368 | spin_lock_init(&db->lock); |
369 | ||
f3b197ac | 370 | |
4689ced9 PC |
371 | /* read 64 word srom data */ |
372 | for (i = 0; i < 64; i++) | |
3acf4b5c | 373 | ((__le16 *) db->srom)[i] = cpu_to_le16(read_srom_word(db, i)); |
4689ced9 PC |
374 | |
375 | /* Set Node address */ | |
945a7876 | 376 | if(((u16 *) db->srom)[0] == 0xffff || ((u16 *) db->srom)[0] == 0) /* SROM absent, so read MAC address from ID Table */ |
4689ced9 | 377 | { |
3acf4b5c FR |
378 | uw32(DCR0, 0x10000); //Diagnosis mode |
379 | uw32(DCR13, 0x1c0); //Reset dianostic pointer port | |
380 | uw32(DCR14, 0); //Clear reset port | |
381 | uw32(DCR14, 0x10); //Reset ID Table pointer | |
382 | uw32(DCR14, 0); //Clear reset port | |
383 | uw32(DCR13, 0); //Clear CR13 | |
384 | uw32(DCR13, 0x1b0); //Select ID Table access port | |
4689ced9 PC |
385 | //Read MAC address from CR14 |
386 | for (i = 0; i < 6; i++) | |
3acf4b5c | 387 | dev->dev_addr[i] = ur32(DCR14); |
4689ced9 | 388 | //Read end |
3acf4b5c FR |
389 | uw32(DCR13, 0); //Clear CR13 |
390 | uw32(DCR0, 0); //Clear CR0 | |
4689ced9 PC |
391 | udelay(10); |
392 | } | |
393 | else /*Exist SROM*/ | |
394 | { | |
395 | for (i = 0; i < 6; i++) | |
396 | dev->dev_addr[i] = db->srom[20 + i]; | |
397 | } | |
398 | err = register_netdev (dev); | |
399 | if (err) | |
3acf4b5c | 400 | goto err_out_unmap; |
4689ced9 | 401 | |
163ef0b5 JP |
402 | netdev_info(dev, "ULi M%04lx at pci%s, %pM, irq %d\n", |
403 | ent->driver_data >> 16, pci_name(pdev), | |
3acf4b5c | 404 | dev->dev_addr, pdev->irq); |
4689ced9 PC |
405 | |
406 | pci_set_master(pdev); | |
407 | ||
408 | return 0; | |
409 | ||
3acf4b5c FR |
410 | err_out_unmap: |
411 | pci_iounmap(pdev, db->ioaddr); | |
5e58deb9 FR |
412 | err_out_free_tx_buf: |
413 | pci_free_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, | |
414 | db->buf_pool_ptr, db->buf_pool_dma_ptr); | |
415 | err_out_free_tx_desc: | |
416 | pci_free_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, | |
417 | db->desc_pool_ptr, db->desc_pool_dma_ptr); | |
418 | err_out_release: | |
4689ced9 PC |
419 | pci_release_regions(pdev); |
420 | err_out_disable: | |
421 | pci_disable_device(pdev); | |
422 | err_out_free: | |
4689ced9 PC |
423 | free_netdev(dev); |
424 | ||
425 | return err; | |
426 | } | |
427 | ||
428 | ||
779c1a85 | 429 | static void uli526x_remove_one(struct pci_dev *pdev) |
4689ced9 PC |
430 | { |
431 | struct net_device *dev = pci_get_drvdata(pdev); | |
432 | struct uli526x_board_info *db = netdev_priv(dev); | |
433 | ||
5e58deb9 | 434 | unregister_netdev(dev); |
3acf4b5c | 435 | pci_iounmap(pdev, db->ioaddr); |
945a7876 PC |
436 | pci_free_consistent(db->pdev, sizeof(struct tx_desc) * |
437 | DESC_ALL_CNT + 0x20, db->desc_pool_ptr, | |
438 | db->desc_pool_dma_ptr); | |
439 | pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, | |
440 | db->buf_pool_ptr, db->buf_pool_dma_ptr); | |
945a7876 | 441 | pci_release_regions(pdev); |
945a7876 | 442 | pci_disable_device(pdev); |
5e58deb9 | 443 | free_netdev(dev); |
4689ced9 PC |
444 | } |
445 | ||
446 | ||
447 | /* | |
448 | * Open the interface. | |
945a7876 | 449 | * The interface is opened whenever "ifconfig" activates it. |
4689ced9 PC |
450 | */ |
451 | ||
945a7876 | 452 | static int uli526x_open(struct net_device *dev) |
4689ced9 PC |
453 | { |
454 | int ret; | |
455 | struct uli526x_board_info *db = netdev_priv(dev); | |
f3b197ac | 456 | |
4689ced9 PC |
457 | ULI526X_DBUG(0, "uli526x_open", 0); |
458 | ||
4689ced9 PC |
459 | /* system variable init */ |
460 | db->cr6_data = CR6_DEFAULT | uli526x_cr6_user_set; | |
4689ced9 PC |
461 | db->tx_packet_cnt = 0; |
462 | db->rx_avail_cnt = 0; | |
463 | db->link_failed = 1; | |
464 | netif_carrier_off(dev); | |
465 | db->wait_reset = 0; | |
466 | ||
467 | db->NIC_capability = 0xf; /* All capability*/ | |
468 | db->PHY_reg4 = 0x1e0; | |
469 | ||
470 | /* CR6 operation mode decision */ | |
471 | db->cr6_data |= ULI526X_TXTH_256; | |
472 | db->cr0_data = CR0_DEFAULT; | |
f3b197ac | 473 | |
945a7876 | 474 | /* Initialize ULI526X board */ |
4689ced9 PC |
475 | uli526x_init(dev); |
476 | ||
3acf4b5c FR |
477 | ret = request_irq(db->pdev->irq, uli526x_interrupt, IRQF_SHARED, |
478 | dev->name, dev); | |
afd8e399 AV |
479 | if (ret) |
480 | return ret; | |
481 | ||
4689ced9 PC |
482 | /* Active System Interface */ |
483 | netif_wake_queue(dev); | |
484 | ||
485 | /* set and active a timer process */ | |
a8c22a2b | 486 | timer_setup(&db->timer, uli526x_timer, 0); |
4689ced9 | 487 | db->timer.expires = ULI526X_TIMER_WUT + HZ * 2; |
4689ced9 PC |
488 | add_timer(&db->timer); |
489 | ||
490 | return 0; | |
491 | } | |
492 | ||
493 | ||
945a7876 | 494 | /* Initialize ULI526X board |
4689ced9 | 495 | * Reset ULI526X board |
945a7876 | 496 | * Initialize TX/Rx descriptor chain structure |
4689ced9 PC |
497 | * Send the set-up frame |
498 | * Enable Tx/Rx machine | |
499 | */ | |
500 | ||
945a7876 | 501 | static void uli526x_init(struct net_device *dev) |
4689ced9 PC |
502 | { |
503 | struct uli526x_board_info *db = netdev_priv(dev); | |
3acf4b5c FR |
504 | struct uli_phy_ops *phy = &db->phy; |
505 | void __iomem *ioaddr = db->ioaddr; | |
4689ced9 | 506 | u8 phy_tmp; |
7a7d23da | 507 | u8 timeout; |
4689ced9 PC |
508 | u16 phy_reg_reset; |
509 | ||
7a7d23da | 510 | |
4689ced9 PC |
511 | ULI526X_DBUG(0, "uli526x_init()", 0); |
512 | ||
513 | /* Reset M526x MAC controller */ | |
3acf4b5c | 514 | uw32(DCR0, ULI526X_RESET); /* RESET MAC */ |
4689ced9 | 515 | udelay(100); |
3acf4b5c | 516 | uw32(DCR0, db->cr0_data); |
4689ced9 PC |
517 | udelay(5); |
518 | ||
519 | /* Phy addr : In some boards,M5261/M5263 phy address != 1 */ | |
520 | db->phy_addr = 1; | |
3acf4b5c FR |
521 | for (phy_tmp = 0; phy_tmp < 32; phy_tmp++) { |
522 | u16 phy_value; | |
523 | ||
524 | phy_value = phy->read(db, phy_tmp, 3); //peer add | |
525 | if (phy_value != 0xffff && phy_value != 0) { | |
4689ced9 PC |
526 | db->phy_addr = phy_tmp; |
527 | break; | |
528 | } | |
529 | } | |
3acf4b5c FR |
530 | |
531 | if (phy_tmp == 32) | |
163ef0b5 | 532 | pr_warn("Can not find the phy address!!!\n"); |
4689ced9 PC |
533 | /* Parser SROM and media mode */ |
534 | db->media_mode = uli526x_media_mode; | |
535 | ||
7a7d23da | 536 | /* phyxcer capability setting */ |
3acf4b5c | 537 | phy_reg_reset = phy->read(db, db->phy_addr, 0); |
4689ced9 | 538 | phy_reg_reset = (phy_reg_reset | 0x8000); |
3acf4b5c | 539 | phy->write(db, db->phy_addr, 0, phy_reg_reset); |
7a7d23da GG |
540 | |
541 | /* See IEEE 802.3-2002.pdf (Section 2, Chapter "22.2.4 Management | |
542 | * functions") or phy data sheet for details on phy reset | |
543 | */ | |
4689ced9 | 544 | udelay(500); |
7a7d23da | 545 | timeout = 10; |
3acf4b5c FR |
546 | while (timeout-- && phy->read(db, db->phy_addr, 0) & 0x8000) |
547 | udelay(100); | |
4689ced9 PC |
548 | |
549 | /* Process Phyxcer Media Mode */ | |
550 | uli526x_set_phyxcer(db); | |
551 | ||
552 | /* Media Mode Process */ | |
553 | if ( !(db->media_mode & ULI526X_AUTO) ) | |
3acf4b5c | 554 | db->op_mode = db->media_mode; /* Force Mode */ |
4689ced9 | 555 | |
dbedd44e | 556 | /* Initialize Transmit/Receive descriptor and CR3/4 */ |
1ab0d2ec | 557 | uli526x_descriptor_init(dev, ioaddr); |
4689ced9 PC |
558 | |
559 | /* Init CR6 to program M526X operation */ | |
560 | update_cr6(db->cr6_data, ioaddr); | |
561 | ||
562 | /* Send setup frame */ | |
4cd24eaf | 563 | send_filter_frame(dev, netdev_mc_count(dev)); /* M5261/M5263 */ |
4689ced9 PC |
564 | |
565 | /* Init CR7, interrupt active bit */ | |
566 | db->cr7_data = CR7_DEFAULT; | |
3acf4b5c | 567 | uw32(DCR7, db->cr7_data); |
4689ced9 PC |
568 | |
569 | /* Init CR15, Tx jabber and Rx watchdog timer */ | |
3acf4b5c | 570 | uw32(DCR15, db->cr15_data); |
4689ced9 PC |
571 | |
572 | /* Enable ULI526X Tx/Rx function */ | |
573 | db->cr6_data |= CR6_RXSC | CR6_TXSC; | |
574 | update_cr6(db->cr6_data, ioaddr); | |
575 | } | |
576 | ||
577 | ||
578 | /* | |
579 | * Hardware start transmission. | |
580 | * Send a packet to media from the upper layer. | |
581 | */ | |
582 | ||
ad096463 SH |
583 | static netdev_tx_t uli526x_start_xmit(struct sk_buff *skb, |
584 | struct net_device *dev) | |
4689ced9 PC |
585 | { |
586 | struct uli526x_board_info *db = netdev_priv(dev); | |
3acf4b5c | 587 | void __iomem *ioaddr = db->ioaddr; |
4689ced9 PC |
588 | struct tx_desc *txptr; |
589 | unsigned long flags; | |
590 | ||
591 | ULI526X_DBUG(0, "uli526x_start_xmit", 0); | |
592 | ||
593 | /* Resource flag check */ | |
594 | netif_stop_queue(dev); | |
595 | ||
596 | /* Too large packet check */ | |
597 | if (skb->len > MAX_PACKET_SIZE) { | |
163ef0b5 | 598 | netdev_err(dev, "big packet = %d\n", (u16)skb->len); |
290a79db | 599 | dev_kfree_skb_any(skb); |
6ed10654 | 600 | return NETDEV_TX_OK; |
4689ced9 PC |
601 | } |
602 | ||
603 | spin_lock_irqsave(&db->lock, flags); | |
604 | ||
605 | /* No Tx resource check, it never happen nromally */ | |
606 | if (db->tx_packet_cnt >= TX_FREE_DESC_CNT) { | |
607 | spin_unlock_irqrestore(&db->lock, flags); | |
163ef0b5 | 608 | netdev_err(dev, "No Tx resource %ld\n", db->tx_packet_cnt); |
5b548140 | 609 | return NETDEV_TX_BUSY; |
4689ced9 PC |
610 | } |
611 | ||
612 | /* Disable NIC interrupt */ | |
3acf4b5c | 613 | uw32(DCR7, 0); |
4689ced9 PC |
614 | |
615 | /* transmit this packet */ | |
616 | txptr = db->tx_insert_ptr; | |
d626f62b | 617 | skb_copy_from_linear_data(skb, txptr->tx_buf_ptr, skb->len); |
4689ced9 PC |
618 | txptr->tdes1 = cpu_to_le32(0xe1000000 | skb->len); |
619 | ||
620 | /* Point to next transmit free descriptor */ | |
621 | db->tx_insert_ptr = txptr->next_tx_desc; | |
622 | ||
623 | /* Transmit Packet Process */ | |
3acf4b5c | 624 | if (db->tx_packet_cnt < TX_DESC_CNT) { |
4689ced9 PC |
625 | txptr->tdes0 = cpu_to_le32(0x80000000); /* Set owner bit */ |
626 | db->tx_packet_cnt++; /* Ready to send */ | |
3acf4b5c | 627 | uw32(DCR1, 0x1); /* Issue Tx polling */ |
860e9538 | 628 | netif_trans_update(dev); /* saved time stamp */ |
4689ced9 PC |
629 | } |
630 | ||
631 | /* Tx resource check */ | |
632 | if ( db->tx_packet_cnt < TX_FREE_DESC_CNT ) | |
633 | netif_wake_queue(dev); | |
634 | ||
635 | /* Restore CR7 to enable interrupt */ | |
636 | spin_unlock_irqrestore(&db->lock, flags); | |
3acf4b5c | 637 | uw32(DCR7, db->cr7_data); |
f3b197ac | 638 | |
4689ced9 | 639 | /* free this SKB */ |
290a79db | 640 | dev_consume_skb_any(skb); |
4689ced9 | 641 | |
6ed10654 | 642 | return NETDEV_TX_OK; |
4689ced9 PC |
643 | } |
644 | ||
645 | ||
646 | /* | |
647 | * Stop the interface. | |
648 | * The interface is stopped when it is brought. | |
649 | */ | |
650 | ||
945a7876 | 651 | static int uli526x_stop(struct net_device *dev) |
4689ced9 PC |
652 | { |
653 | struct uli526x_board_info *db = netdev_priv(dev); | |
3acf4b5c | 654 | void __iomem *ioaddr = db->ioaddr; |
4689ced9 PC |
655 | |
656 | /* disable system */ | |
657 | netif_stop_queue(dev); | |
658 | ||
659 | /* deleted timer */ | |
660 | del_timer_sync(&db->timer); | |
661 | ||
662 | /* Reset & stop ULI526X board */ | |
3acf4b5c | 663 | uw32(DCR0, ULI526X_RESET); |
4689ced9 | 664 | udelay(5); |
3acf4b5c | 665 | db->phy.write(db, db->phy_addr, 0, 0x8000); |
4689ced9 PC |
666 | |
667 | /* free interrupt */ | |
3acf4b5c | 668 | free_irq(db->pdev->irq, dev); |
4689ced9 PC |
669 | |
670 | /* free allocated rx buffer */ | |
671 | uli526x_free_rxbuffer(db); | |
672 | ||
4689ced9 PC |
673 | return 0; |
674 | } | |
675 | ||
676 | ||
677 | /* | |
678 | * M5261/M5263 insterrupt handler | |
679 | * receive the packet to upper layer, free the transmitted packet | |
680 | */ | |
681 | ||
7d12e780 | 682 | static irqreturn_t uli526x_interrupt(int irq, void *dev_id) |
4689ced9 | 683 | { |
945a7876 | 684 | struct net_device *dev = dev_id; |
4689ced9 | 685 | struct uli526x_board_info *db = netdev_priv(dev); |
3acf4b5c | 686 | void __iomem *ioaddr = db->ioaddr; |
4689ced9 PC |
687 | unsigned long flags; |
688 | ||
4689ced9 | 689 | spin_lock_irqsave(&db->lock, flags); |
3acf4b5c | 690 | uw32(DCR7, 0); |
4689ced9 PC |
691 | |
692 | /* Got ULI526X status */ | |
3acf4b5c FR |
693 | db->cr5_data = ur32(DCR5); |
694 | uw32(DCR5, db->cr5_data); | |
4689ced9 | 695 | if ( !(db->cr5_data & 0x180c1) ) { |
7fa0cba3 | 696 | /* Restore CR7 to enable interrupt mask */ |
3acf4b5c | 697 | uw32(DCR7, db->cr7_data); |
7fa0cba3 | 698 | spin_unlock_irqrestore(&db->lock, flags); |
4689ced9 PC |
699 | return IRQ_HANDLED; |
700 | } | |
701 | ||
4689ced9 PC |
702 | /* Check system status */ |
703 | if (db->cr5_data & 0x2000) { | |
704 | /* system bus error happen */ | |
705 | ULI526X_DBUG(1, "System bus error happen. CR5=", db->cr5_data); | |
706 | db->reset_fatal++; | |
707 | db->wait_reset = 1; /* Need to RESET */ | |
708 | spin_unlock_irqrestore(&db->lock, flags); | |
709 | return IRQ_HANDLED; | |
710 | } | |
711 | ||
712 | /* Received the coming packet */ | |
713 | if ( (db->cr5_data & 0x40) && db->rx_avail_cnt ) | |
714 | uli526x_rx_packet(dev, db); | |
715 | ||
716 | /* reallocate rx descriptor buffer */ | |
717 | if (db->rx_avail_cnt<RX_DESC_CNT) | |
1ab0d2ec | 718 | allocate_rx_buffer(dev); |
4689ced9 PC |
719 | |
720 | /* Free the transmitted descriptor */ | |
721 | if ( db->cr5_data & 0x01) | |
722 | uli526x_free_tx_pkt(dev, db); | |
723 | ||
724 | /* Restore CR7 to enable interrupt mask */ | |
3acf4b5c | 725 | uw32(DCR7, db->cr7_data); |
4689ced9 PC |
726 | |
727 | spin_unlock_irqrestore(&db->lock, flags); | |
728 | return IRQ_HANDLED; | |
729 | } | |
730 | ||
7fa0cba3 AV |
731 | #ifdef CONFIG_NET_POLL_CONTROLLER |
732 | static void uli526x_poll(struct net_device *dev) | |
733 | { | |
3acf4b5c FR |
734 | struct uli526x_board_info *db = netdev_priv(dev); |
735 | ||
7fa0cba3 | 736 | /* ISR grabs the irqsave lock, so this should be safe */ |
3acf4b5c | 737 | uli526x_interrupt(db->pdev->irq, dev); |
7fa0cba3 AV |
738 | } |
739 | #endif | |
4689ced9 PC |
740 | |
741 | /* | |
742 | * Free TX resource after TX complete | |
743 | */ | |
744 | ||
dfefe02b SH |
745 | static void uli526x_free_tx_pkt(struct net_device *dev, |
746 | struct uli526x_board_info * db) | |
4689ced9 PC |
747 | { |
748 | struct tx_desc *txptr; | |
4689ced9 PC |
749 | u32 tdes0; |
750 | ||
751 | txptr = db->tx_remove_ptr; | |
752 | while(db->tx_packet_cnt) { | |
753 | tdes0 = le32_to_cpu(txptr->tdes0); | |
4689ced9 PC |
754 | if (tdes0 & 0x80000000) |
755 | break; | |
756 | ||
757 | /* A packet sent completed */ | |
758 | db->tx_packet_cnt--; | |
dfefe02b | 759 | dev->stats.tx_packets++; |
4689ced9 PC |
760 | |
761 | /* Transmit statistic counter */ | |
762 | if ( tdes0 != 0x7fffffff ) { | |
dfefe02b SH |
763 | dev->stats.collisions += (tdes0 >> 3) & 0xf; |
764 | dev->stats.tx_bytes += le32_to_cpu(txptr->tdes1) & 0x7ff; | |
4689ced9 | 765 | if (tdes0 & TDES0_ERR_MASK) { |
dfefe02b | 766 | dev->stats.tx_errors++; |
4689ced9 PC |
767 | if (tdes0 & 0x0002) { /* UnderRun */ |
768 | db->tx_fifo_underrun++; | |
769 | if ( !(db->cr6_data & CR6_SFT) ) { | |
770 | db->cr6_data = db->cr6_data | CR6_SFT; | |
771 | update_cr6(db->cr6_data, db->ioaddr); | |
772 | } | |
773 | } | |
774 | if (tdes0 & 0x0100) | |
775 | db->tx_excessive_collision++; | |
776 | if (tdes0 & 0x0200) | |
777 | db->tx_late_collision++; | |
778 | if (tdes0 & 0x0400) | |
779 | db->tx_no_carrier++; | |
780 | if (tdes0 & 0x0800) | |
781 | db->tx_loss_carrier++; | |
782 | if (tdes0 & 0x4000) | |
783 | db->tx_jabber_timeout++; | |
784 | } | |
785 | } | |
786 | ||
787 | txptr = txptr->next_tx_desc; | |
788 | }/* End of while */ | |
789 | ||
790 | /* Update TX remove pointer to next */ | |
791 | db->tx_remove_ptr = txptr; | |
792 | ||
793 | /* Resource available check */ | |
794 | if ( db->tx_packet_cnt < TX_WAKE_DESC_CNT ) | |
795 | netif_wake_queue(dev); /* Active upper layer, send again */ | |
796 | } | |
797 | ||
798 | ||
799 | /* | |
800 | * Receive the come packet and pass to upper layer | |
801 | */ | |
802 | ||
945a7876 | 803 | static void uli526x_rx_packet(struct net_device *dev, struct uli526x_board_info * db) |
4689ced9 PC |
804 | { |
805 | struct rx_desc *rxptr; | |
806 | struct sk_buff *skb; | |
807 | int rxlen; | |
808 | u32 rdes0; | |
f3b197ac | 809 | |
4689ced9 PC |
810 | rxptr = db->rx_ready_ptr; |
811 | ||
812 | while(db->rx_avail_cnt) { | |
813 | rdes0 = le32_to_cpu(rxptr->rdes0); | |
814 | if (rdes0 & 0x80000000) /* packet owner check */ | |
815 | { | |
816 | break; | |
817 | } | |
818 | ||
819 | db->rx_avail_cnt--; | |
820 | db->interval_rx_cnt++; | |
821 | ||
822 | pci_unmap_single(db->pdev, le32_to_cpu(rxptr->rdes2), RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE); | |
823 | if ( (rdes0 & 0x300) != 0x300) { | |
824 | /* A packet without First/Last flag */ | |
825 | /* reuse this SKB */ | |
826 | ULI526X_DBUG(0, "Reuse SK buffer, rdes0", rdes0); | |
827 | uli526x_reuse_skb(db, rxptr->rx_skb_ptr); | |
828 | } else { | |
829 | /* A packet with First/Last flag */ | |
830 | rxlen = ( (rdes0 >> 16) & 0x3fff) - 4; | |
831 | ||
832 | /* error summary bit check */ | |
833 | if (rdes0 & 0x8000) { | |
834 | /* This is a error packet */ | |
dfefe02b | 835 | dev->stats.rx_errors++; |
4689ced9 | 836 | if (rdes0 & 1) |
dfefe02b | 837 | dev->stats.rx_fifo_errors++; |
4689ced9 | 838 | if (rdes0 & 2) |
dfefe02b | 839 | dev->stats.rx_crc_errors++; |
4689ced9 | 840 | if (rdes0 & 0x80) |
dfefe02b | 841 | dev->stats.rx_length_errors++; |
4689ced9 PC |
842 | } |
843 | ||
844 | if ( !(rdes0 & 0x8000) || | |
845 | ((db->cr6_data & CR6_PM) && (rxlen>6)) ) { | |
ac90a149 KM |
846 | struct sk_buff *new_skb = NULL; |
847 | ||
4689ced9 | 848 | skb = rxptr->rx_skb_ptr; |
f3b197ac | 849 | |
4689ced9 PC |
850 | /* Good packet, send to upper layer */ |
851 | /* Shorst packet used new SKB */ | |
ac90a149 | 852 | if ((rxlen < RX_COPY_SIZE) && |
1ab0d2ec | 853 | (((new_skb = netdev_alloc_skb(dev, rxlen + 2)) != NULL))) { |
ac90a149 | 854 | skb = new_skb; |
4689ced9 | 855 | /* size less than COPY_SIZE, allocate a rxlen SKB */ |
4689ced9 | 856 | skb_reserve(skb, 2); /* 16byte align */ |
59ae1d12 JB |
857 | skb_put_data(skb, |
858 | skb_tail_pointer(rxptr->rx_skb_ptr), | |
859 | rxlen); | |
4689ced9 | 860 | uli526x_reuse_skb(db, rxptr->rx_skb_ptr); |
4c13eb66 | 861 | } else |
4689ced9 | 862 | skb_put(skb, rxlen); |
4c13eb66 | 863 | |
4689ced9 PC |
864 | skb->protocol = eth_type_trans(skb, dev); |
865 | netif_rx(skb); | |
dfefe02b SH |
866 | dev->stats.rx_packets++; |
867 | dev->stats.rx_bytes += rxlen; | |
f3b197ac | 868 | |
4689ced9 PC |
869 | } else { |
870 | /* Reuse SKB buffer when the packet is error */ | |
871 | ULI526X_DBUG(0, "Reuse SK buffer, rdes0", rdes0); | |
872 | uli526x_reuse_skb(db, rxptr->rx_skb_ptr); | |
873 | } | |
874 | } | |
875 | ||
876 | rxptr = rxptr->next_rx_desc; | |
877 | } | |
878 | ||
879 | db->rx_ready_ptr = rxptr; | |
880 | } | |
881 | ||
882 | ||
4689ced9 PC |
883 | /* |
884 | * Set ULI526X multicast address | |
885 | */ | |
886 | ||
945a7876 | 887 | static void uli526x_set_filter_mode(struct net_device * dev) |
4689ced9 | 888 | { |
8f15ea42 | 889 | struct uli526x_board_info *db = netdev_priv(dev); |
4689ced9 PC |
890 | unsigned long flags; |
891 | ||
892 | ULI526X_DBUG(0, "uli526x_set_filter_mode()", 0); | |
893 | spin_lock_irqsave(&db->lock, flags); | |
894 | ||
895 | if (dev->flags & IFF_PROMISC) { | |
896 | ULI526X_DBUG(0, "Enable PROM Mode", 0); | |
897 | db->cr6_data |= CR6_PM | CR6_PBF; | |
898 | update_cr6(db->cr6_data, db->ioaddr); | |
899 | spin_unlock_irqrestore(&db->lock, flags); | |
900 | return; | |
901 | } | |
902 | ||
4cd24eaf JP |
903 | if (dev->flags & IFF_ALLMULTI || |
904 | netdev_mc_count(dev) > ULI5261_MAX_MULTICAST) { | |
905 | ULI526X_DBUG(0, "Pass all multicast address", | |
906 | netdev_mc_count(dev)); | |
4689ced9 PC |
907 | db->cr6_data &= ~(CR6_PM | CR6_PBF); |
908 | db->cr6_data |= CR6_PAM; | |
909 | spin_unlock_irqrestore(&db->lock, flags); | |
910 | return; | |
911 | } | |
912 | ||
4cd24eaf JP |
913 | ULI526X_DBUG(0, "Set multicast address", netdev_mc_count(dev)); |
914 | send_filter_frame(dev, netdev_mc_count(dev)); /* M5261/M5263 */ | |
4689ced9 PC |
915 | spin_unlock_irqrestore(&db->lock, flags); |
916 | } | |
917 | ||
918 | static void | |
6711a87a PR |
919 | ULi_ethtool_get_link_ksettings(struct uli526x_board_info *db, |
920 | struct ethtool_link_ksettings *cmd) | |
4689ced9 | 921 | { |
6711a87a PR |
922 | u32 supported, advertising; |
923 | ||
924 | supported = (SUPPORTED_10baseT_Half | | |
945a7876 PC |
925 | SUPPORTED_10baseT_Full | |
926 | SUPPORTED_100baseT_Half | | |
927 | SUPPORTED_100baseT_Full | | |
928 | SUPPORTED_Autoneg | | |
929 | SUPPORTED_MII); | |
f3b197ac | 930 | |
6711a87a | 931 | advertising = (ADVERTISED_10baseT_Half | |
945a7876 PC |
932 | ADVERTISED_10baseT_Full | |
933 | ADVERTISED_100baseT_Half | | |
934 | ADVERTISED_100baseT_Full | | |
935 | ADVERTISED_Autoneg | | |
936 | ADVERTISED_MII); | |
4689ced9 | 937 | |
6711a87a PR |
938 | ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, |
939 | supported); | |
940 | ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, | |
941 | advertising); | |
4689ced9 | 942 | |
6711a87a PR |
943 | cmd->base.port = PORT_MII; |
944 | cmd->base.phy_address = db->phy_addr; | |
f3b197ac | 945 | |
6711a87a PR |
946 | cmd->base.speed = SPEED_10; |
947 | cmd->base.duplex = DUPLEX_HALF; | |
f3b197ac | 948 | |
4689ced9 PC |
949 | if(db->op_mode==ULI526X_100MHF || db->op_mode==ULI526X_100MFD) |
950 | { | |
6711a87a | 951 | cmd->base.speed = SPEED_100; |
4689ced9 PC |
952 | } |
953 | if(db->op_mode==ULI526X_10MFD || db->op_mode==ULI526X_100MFD) | |
954 | { | |
6711a87a | 955 | cmd->base.duplex = DUPLEX_FULL; |
4689ced9 PC |
956 | } |
957 | if(db->link_failed) | |
958 | { | |
6711a87a PR |
959 | cmd->base.speed = SPEED_UNKNOWN; |
960 | cmd->base.duplex = DUPLEX_UNKNOWN; | |
4689ced9 | 961 | } |
f3b197ac | 962 | |
4689ced9 | 963 | if (db->media_mode & ULI526X_AUTO) |
f3b197ac | 964 | { |
6711a87a | 965 | cmd->base.autoneg = AUTONEG_ENABLE; |
4689ced9 | 966 | } |
4689ced9 PC |
967 | } |
968 | ||
969 | static void netdev_get_drvinfo(struct net_device *dev, | |
970 | struct ethtool_drvinfo *info) | |
971 | { | |
972 | struct uli526x_board_info *np = netdev_priv(dev); | |
973 | ||
68aad78c RJ |
974 | strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); |
975 | strlcpy(info->version, DRV_VERSION, sizeof(info->version)); | |
3acf4b5c | 976 | strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info)); |
4689ced9 PC |
977 | } |
978 | ||
6711a87a PR |
979 | static int netdev_get_link_ksettings(struct net_device *dev, |
980 | struct ethtool_link_ksettings *cmd) | |
981 | { | |
4689ced9 | 982 | struct uli526x_board_info *np = netdev_priv(dev); |
f3b197ac | 983 | |
6711a87a | 984 | ULi_ethtool_get_link_ksettings(np, cmd); |
f3b197ac | 985 | |
4689ced9 PC |
986 | return 0; |
987 | } | |
988 | ||
989 | static u32 netdev_get_link(struct net_device *dev) { | |
990 | struct uli526x_board_info *np = netdev_priv(dev); | |
f3b197ac | 991 | |
4689ced9 PC |
992 | if(np->link_failed) |
993 | return 0; | |
994 | else | |
995 | return 1; | |
996 | } | |
997 | ||
998 | static void uli526x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
999 | { | |
1000 | wol->supported = WAKE_PHY | WAKE_MAGIC; | |
1001 | wol->wolopts = 0; | |
1002 | } | |
1003 | ||
7282d491 | 1004 | static const struct ethtool_ops netdev_ethtool_ops = { |
4689ced9 | 1005 | .get_drvinfo = netdev_get_drvinfo, |
4689ced9 PC |
1006 | .get_link = netdev_get_link, |
1007 | .get_wol = uli526x_get_wol, | |
6711a87a | 1008 | .get_link_ksettings = netdev_get_link_ksettings, |
4689ced9 PC |
1009 | }; |
1010 | ||
1011 | /* | |
1012 | * A periodic timer routine | |
1013 | * Dynamic media sense, allocate Rx buffer... | |
1014 | */ | |
1015 | ||
a8c22a2b | 1016 | static void uli526x_timer(struct timer_list *t) |
4689ced9 | 1017 | { |
a8c22a2b KC |
1018 | struct uli526x_board_info *db = from_timer(db, t, timer); |
1019 | struct net_device *dev = pci_get_drvdata(db->pdev); | |
3acf4b5c FR |
1020 | struct uli_phy_ops *phy = &db->phy; |
1021 | void __iomem *ioaddr = db->ioaddr; | |
4689ced9 | 1022 | unsigned long flags; |
3acf4b5c FR |
1023 | u8 tmp_cr12 = 0; |
1024 | u32 tmp_cr8; | |
f3b197ac | 1025 | |
4689ced9 PC |
1026 | //ULI526X_DBUG(0, "uli526x_timer()", 0); |
1027 | spin_lock_irqsave(&db->lock, flags); | |
1028 | ||
f3b197ac | 1029 | |
4689ced9 | 1030 | /* Dynamic reset ULI526X : system error or transmit time-out */ |
3acf4b5c | 1031 | tmp_cr8 = ur32(DCR8); |
4689ced9 PC |
1032 | if ( (db->interval_rx_cnt==0) && (tmp_cr8) ) { |
1033 | db->reset_cr8++; | |
1034 | db->wait_reset = 1; | |
1035 | } | |
1036 | db->interval_rx_cnt = 0; | |
1037 | ||
1038 | /* TX polling kick monitor */ | |
1039 | if ( db->tx_packet_cnt && | |
1ae5dc34 | 1040 | time_after(jiffies, dev_trans_start(dev) + ULI526X_TX_KICK) ) { |
3acf4b5c | 1041 | uw32(DCR1, 0x1); // Tx polling again |
4689ced9 | 1042 | |
f3b197ac | 1043 | // TX Timeout |
1ae5dc34 | 1044 | if ( time_after(jiffies, dev_trans_start(dev) + ULI526X_TX_TIMEOUT) ) { |
4689ced9 PC |
1045 | db->reset_TXtimeout++; |
1046 | db->wait_reset = 1; | |
1c3319fb | 1047 | netdev_err(dev, " Tx timeout - resetting\n"); |
4689ced9 PC |
1048 | } |
1049 | } | |
1050 | ||
1051 | if (db->wait_reset) { | |
1052 | ULI526X_DBUG(0, "Dynamic Reset device", db->tx_packet_cnt); | |
1053 | db->reset_count++; | |
1054 | uli526x_dynamic_reset(dev); | |
1055 | db->timer.expires = ULI526X_TIMER_WUT; | |
1056 | add_timer(&db->timer); | |
1057 | spin_unlock_irqrestore(&db->lock, flags); | |
1058 | return; | |
1059 | } | |
1060 | ||
1061 | /* Link status check, Dynamic media type change */ | |
3acf4b5c | 1062 | if ((phy->read(db, db->phy_addr, 5) & 0x01e0)!=0) |
4689ced9 PC |
1063 | tmp_cr12 = 3; |
1064 | ||
1065 | if ( !(tmp_cr12 & 0x3) && !db->link_failed ) { | |
1066 | /* Link Failed */ | |
1067 | ULI526X_DBUG(0, "Link Failed", tmp_cr12); | |
1068 | netif_carrier_off(dev); | |
163ef0b5 | 1069 | netdev_info(dev, "NIC Link is Down\n"); |
4689ced9 PC |
1070 | db->link_failed = 1; |
1071 | ||
1072 | /* For Force 10/100M Half/Full mode: Enable Auto-Nego mode */ | |
1073 | /* AUTO don't need */ | |
1074 | if ( !(db->media_mode & 0x8) ) | |
3acf4b5c | 1075 | phy->write(db, db->phy_addr, 0, 0x1000); |
4689ced9 PC |
1076 | |
1077 | /* AUTO mode, if INT phyxcer link failed, select EXT device */ | |
1078 | if (db->media_mode & ULI526X_AUTO) { | |
1079 | db->cr6_data&=~0x00000200; /* bit9=0, HD mode */ | |
1080 | update_cr6(db->cr6_data, db->ioaddr); | |
1081 | } | |
1082 | } else | |
1083 | if ((tmp_cr12 & 0x3) && db->link_failed) { | |
1084 | ULI526X_DBUG(0, "Link link OK", tmp_cr12); | |
1085 | db->link_failed = 0; | |
1086 | ||
1087 | /* Auto Sense Speed */ | |
1088 | if ( (db->media_mode & ULI526X_AUTO) && | |
1089 | uli526x_sense_speed(db) ) | |
1090 | db->link_failed = 1; | |
1091 | uli526x_process_mode(db); | |
f3b197ac | 1092 | |
4689ced9 PC |
1093 | if(db->link_failed==0) |
1094 | { | |
163ef0b5 JP |
1095 | netdev_info(dev, "NIC Link is Up %d Mbps %s duplex\n", |
1096 | (db->op_mode == ULI526X_100MHF || | |
1097 | db->op_mode == ULI526X_100MFD) | |
1098 | ? 100 : 10, | |
1099 | (db->op_mode == ULI526X_10MFD || | |
1100 | db->op_mode == ULI526X_100MFD) | |
1101 | ? "Full" : "Half"); | |
4689ced9 PC |
1102 | netif_carrier_on(dev); |
1103 | } | |
1104 | /* SHOW_MEDIA_TYPE(db->op_mode); */ | |
1105 | } | |
1106 | else if(!(tmp_cr12 & 0x3) && db->link_failed) | |
1107 | { | |
1108 | if(db->init==1) | |
1109 | { | |
163ef0b5 | 1110 | netdev_info(dev, "NIC Link is Down\n"); |
4689ced9 PC |
1111 | netif_carrier_off(dev); |
1112 | } | |
1113 | } | |
e1395a32 | 1114 | db->init = 0; |
4689ced9 PC |
1115 | |
1116 | /* Timer active again */ | |
1117 | db->timer.expires = ULI526X_TIMER_WUT; | |
1118 | add_timer(&db->timer); | |
1119 | spin_unlock_irqrestore(&db->lock, flags); | |
1120 | } | |
1121 | ||
1122 | ||
1123 | /* | |
4689ced9 PC |
1124 | * Stop ULI526X board |
1125 | * Free Tx/Rx allocated memory | |
b6aec32a | 1126 | * Init system variable |
4689ced9 PC |
1127 | */ |
1128 | ||
b6aec32a | 1129 | static void uli526x_reset_prepare(struct net_device *dev) |
4689ced9 PC |
1130 | { |
1131 | struct uli526x_board_info *db = netdev_priv(dev); | |
3acf4b5c | 1132 | void __iomem *ioaddr = db->ioaddr; |
4689ced9 | 1133 | |
4689ced9 PC |
1134 | /* Sopt MAC controller */ |
1135 | db->cr6_data &= ~(CR6_RXSC | CR6_TXSC); /* Disable Tx/Rx */ | |
3acf4b5c FR |
1136 | update_cr6(db->cr6_data, ioaddr); |
1137 | uw32(DCR7, 0); /* Disable Interrupt */ | |
1138 | uw32(DCR5, ur32(DCR5)); | |
4689ced9 PC |
1139 | |
1140 | /* Disable upper layer interface */ | |
1141 | netif_stop_queue(dev); | |
1142 | ||
1143 | /* Free Rx Allocate buffer */ | |
1144 | uli526x_free_rxbuffer(db); | |
1145 | ||
1146 | /* system variable init */ | |
1147 | db->tx_packet_cnt = 0; | |
1148 | db->rx_avail_cnt = 0; | |
1149 | db->link_failed = 1; | |
1150 | db->init=1; | |
1151 | db->wait_reset = 0; | |
b6aec32a RW |
1152 | } |
1153 | ||
1154 | ||
1155 | /* | |
1156 | * Dynamic reset the ULI526X board | |
1157 | * Stop ULI526X board | |
1158 | * Free Tx/Rx allocated memory | |
1159 | * Reset ULI526X board | |
1160 | * Re-initialize ULI526X board | |
1161 | */ | |
1162 | ||
1163 | static void uli526x_dynamic_reset(struct net_device *dev) | |
1164 | { | |
1165 | ULI526X_DBUG(0, "uli526x_dynamic_reset()", 0); | |
1166 | ||
1167 | uli526x_reset_prepare(dev); | |
4689ced9 | 1168 | |
945a7876 | 1169 | /* Re-initialize ULI526X board */ |
4689ced9 PC |
1170 | uli526x_init(dev); |
1171 | ||
1172 | /* Restart upper layer interface */ | |
1173 | netif_wake_queue(dev); | |
1174 | } | |
1175 | ||
1176 | ||
b6aec32a RW |
1177 | #ifdef CONFIG_PM |
1178 | ||
1179 | /* | |
1180 | * Suspend the interface. | |
1181 | */ | |
1182 | ||
1183 | static int uli526x_suspend(struct pci_dev *pdev, pm_message_t state) | |
1184 | { | |
1185 | struct net_device *dev = pci_get_drvdata(pdev); | |
1186 | pci_power_t power_state; | |
1187 | int err; | |
1188 | ||
1189 | ULI526X_DBUG(0, "uli526x_suspend", 0); | |
1190 | ||
b6aec32a RW |
1191 | pci_save_state(pdev); |
1192 | ||
1193 | if (!netif_running(dev)) | |
1194 | return 0; | |
1195 | ||
1196 | netif_device_detach(dev); | |
1197 | uli526x_reset_prepare(dev); | |
1198 | ||
1199 | power_state = pci_choose_state(pdev, state); | |
1200 | pci_enable_wake(pdev, power_state, 0); | |
1201 | err = pci_set_power_state(pdev, power_state); | |
1202 | if (err) { | |
1203 | netif_device_attach(dev); | |
1204 | /* Re-initialize ULI526X board */ | |
1205 | uli526x_init(dev); | |
1206 | /* Restart upper layer interface */ | |
1207 | netif_wake_queue(dev); | |
1208 | } | |
1209 | ||
1210 | return err; | |
1211 | } | |
1212 | ||
1213 | /* | |
1214 | * Resume the interface. | |
1215 | */ | |
1216 | ||
1217 | static int uli526x_resume(struct pci_dev *pdev) | |
1218 | { | |
1219 | struct net_device *dev = pci_get_drvdata(pdev); | |
1220 | int err; | |
1221 | ||
1222 | ULI526X_DBUG(0, "uli526x_resume", 0); | |
1223 | ||
b6aec32a RW |
1224 | pci_restore_state(pdev); |
1225 | ||
1226 | if (!netif_running(dev)) | |
1227 | return 0; | |
1228 | ||
1229 | err = pci_set_power_state(pdev, PCI_D0); | |
1230 | if (err) { | |
163ef0b5 | 1231 | netdev_warn(dev, "Could not put device into D0\n"); |
b6aec32a RW |
1232 | return err; |
1233 | } | |
1234 | ||
1235 | netif_device_attach(dev); | |
1236 | /* Re-initialize ULI526X board */ | |
1237 | uli526x_init(dev); | |
1238 | /* Restart upper layer interface */ | |
1239 | netif_wake_queue(dev); | |
1240 | ||
1241 | return 0; | |
1242 | } | |
1243 | ||
1244 | #else /* !CONFIG_PM */ | |
1245 | ||
1246 | #define uli526x_suspend NULL | |
1247 | #define uli526x_resume NULL | |
1248 | ||
1249 | #endif /* !CONFIG_PM */ | |
1250 | ||
1251 | ||
4689ced9 PC |
1252 | /* |
1253 | * free all allocated rx buffer | |
1254 | */ | |
1255 | ||
1256 | static void uli526x_free_rxbuffer(struct uli526x_board_info * db) | |
1257 | { | |
1258 | ULI526X_DBUG(0, "uli526x_free_rxbuffer()", 0); | |
1259 | ||
1260 | /* free allocated rx buffer */ | |
1261 | while (db->rx_avail_cnt) { | |
1262 | dev_kfree_skb(db->rx_ready_ptr->rx_skb_ptr); | |
1263 | db->rx_ready_ptr = db->rx_ready_ptr->next_rx_desc; | |
1264 | db->rx_avail_cnt--; | |
1265 | } | |
1266 | } | |
1267 | ||
1268 | ||
1269 | /* | |
1270 | * Reuse the SK buffer | |
1271 | */ | |
1272 | ||
1273 | static void uli526x_reuse_skb(struct uli526x_board_info *db, struct sk_buff * skb) | |
1274 | { | |
1275 | struct rx_desc *rxptr = db->rx_insert_ptr; | |
1276 | ||
1277 | if (!(rxptr->rdes0 & cpu_to_le32(0x80000000))) { | |
1278 | rxptr->rx_skb_ptr = skb; | |
27a884dc ACM |
1279 | rxptr->rdes2 = cpu_to_le32(pci_map_single(db->pdev, |
1280 | skb_tail_pointer(skb), | |
1281 | RX_ALLOC_SIZE, | |
1282 | PCI_DMA_FROMDEVICE)); | |
4689ced9 PC |
1283 | wmb(); |
1284 | rxptr->rdes0 = cpu_to_le32(0x80000000); | |
1285 | db->rx_avail_cnt++; | |
1286 | db->rx_insert_ptr = rxptr->next_rx_desc; | |
1287 | } else | |
1288 | ULI526X_DBUG(0, "SK Buffer reuse method error", db->rx_avail_cnt); | |
1289 | } | |
1290 | ||
1291 | ||
1292 | /* | |
1293 | * Initialize transmit/Receive descriptor | |
1294 | * Using Chain structure, and allocate Tx/Rx buffer | |
1295 | */ | |
1296 | ||
3acf4b5c | 1297 | static void uli526x_descriptor_init(struct net_device *dev, void __iomem *ioaddr) |
4689ced9 | 1298 | { |
1ab0d2ec | 1299 | struct uli526x_board_info *db = netdev_priv(dev); |
4689ced9 PC |
1300 | struct tx_desc *tmp_tx; |
1301 | struct rx_desc *tmp_rx; | |
1302 | unsigned char *tmp_buf; | |
1303 | dma_addr_t tmp_tx_dma, tmp_rx_dma; | |
1304 | dma_addr_t tmp_buf_dma; | |
1305 | int i; | |
1306 | ||
1307 | ULI526X_DBUG(0, "uli526x_descriptor_init()", 0); | |
1308 | ||
1309 | /* tx descriptor start pointer */ | |
1310 | db->tx_insert_ptr = db->first_tx_desc; | |
1311 | db->tx_remove_ptr = db->first_tx_desc; | |
3acf4b5c | 1312 | uw32(DCR4, db->first_tx_desc_dma); /* TX DESC address */ |
4689ced9 PC |
1313 | |
1314 | /* rx descriptor start pointer */ | |
1315 | db->first_rx_desc = (void *)db->first_tx_desc + sizeof(struct tx_desc) * TX_DESC_CNT; | |
1316 | db->first_rx_desc_dma = db->first_tx_desc_dma + sizeof(struct tx_desc) * TX_DESC_CNT; | |
1317 | db->rx_insert_ptr = db->first_rx_desc; | |
1318 | db->rx_ready_ptr = db->first_rx_desc; | |
3acf4b5c | 1319 | uw32(DCR3, db->first_rx_desc_dma); /* RX DESC address */ |
4689ced9 PC |
1320 | |
1321 | /* Init Transmit chain */ | |
1322 | tmp_buf = db->buf_pool_start; | |
1323 | tmp_buf_dma = db->buf_pool_dma_start; | |
1324 | tmp_tx_dma = db->first_tx_desc_dma; | |
1325 | for (tmp_tx = db->first_tx_desc, i = 0; i < TX_DESC_CNT; i++, tmp_tx++) { | |
1326 | tmp_tx->tx_buf_ptr = tmp_buf; | |
1327 | tmp_tx->tdes0 = cpu_to_le32(0); | |
1328 | tmp_tx->tdes1 = cpu_to_le32(0x81000000); /* IC, chain */ | |
1329 | tmp_tx->tdes2 = cpu_to_le32(tmp_buf_dma); | |
1330 | tmp_tx_dma += sizeof(struct tx_desc); | |
1331 | tmp_tx->tdes3 = cpu_to_le32(tmp_tx_dma); | |
1332 | tmp_tx->next_tx_desc = tmp_tx + 1; | |
1333 | tmp_buf = tmp_buf + TX_BUF_ALLOC; | |
1334 | tmp_buf_dma = tmp_buf_dma + TX_BUF_ALLOC; | |
1335 | } | |
1336 | (--tmp_tx)->tdes3 = cpu_to_le32(db->first_tx_desc_dma); | |
1337 | tmp_tx->next_tx_desc = db->first_tx_desc; | |
1338 | ||
1339 | /* Init Receive descriptor chain */ | |
1340 | tmp_rx_dma=db->first_rx_desc_dma; | |
1341 | for (tmp_rx = db->first_rx_desc, i = 0; i < RX_DESC_CNT; i++, tmp_rx++) { | |
1342 | tmp_rx->rdes0 = cpu_to_le32(0); | |
1343 | tmp_rx->rdes1 = cpu_to_le32(0x01000600); | |
1344 | tmp_rx_dma += sizeof(struct rx_desc); | |
1345 | tmp_rx->rdes3 = cpu_to_le32(tmp_rx_dma); | |
1346 | tmp_rx->next_rx_desc = tmp_rx + 1; | |
1347 | } | |
1348 | (--tmp_rx)->rdes3 = cpu_to_le32(db->first_rx_desc_dma); | |
1349 | tmp_rx->next_rx_desc = db->first_rx_desc; | |
1350 | ||
1351 | /* pre-allocate Rx buffer */ | |
1ab0d2ec | 1352 | allocate_rx_buffer(dev); |
4689ced9 PC |
1353 | } |
1354 | ||
1355 | ||
1356 | /* | |
1357 | * Update CR6 value | |
945a7876 | 1358 | * Firstly stop ULI526X, then written value and start |
4689ced9 | 1359 | */ |
3acf4b5c | 1360 | static void update_cr6(u32 cr6_data, void __iomem *ioaddr) |
4689ced9 | 1361 | { |
3acf4b5c | 1362 | uw32(DCR6, cr6_data); |
4689ced9 PC |
1363 | udelay(5); |
1364 | } | |
1365 | ||
1366 | ||
1367 | /* | |
1368 | * Send a setup frame for M5261/M5263 | |
945a7876 | 1369 | * This setup frame initialize ULI526X address filter mode |
4689ced9 PC |
1370 | */ |
1371 | ||
e284e5c6 AV |
1372 | #ifdef __BIG_ENDIAN |
1373 | #define FLT_SHIFT 16 | |
1374 | #else | |
1375 | #define FLT_SHIFT 0 | |
1376 | #endif | |
1377 | ||
945a7876 | 1378 | static void send_filter_frame(struct net_device *dev, int mc_cnt) |
4689ced9 PC |
1379 | { |
1380 | struct uli526x_board_info *db = netdev_priv(dev); | |
3acf4b5c | 1381 | void __iomem *ioaddr = db->ioaddr; |
22bedad3 | 1382 | struct netdev_hw_addr *ha; |
4689ced9 PC |
1383 | struct tx_desc *txptr; |
1384 | u16 * addrptr; | |
1385 | u32 * suptr; | |
1386 | int i; | |
1387 | ||
1388 | ULI526X_DBUG(0, "send_filter_frame()", 0); | |
1389 | ||
1390 | txptr = db->tx_insert_ptr; | |
1391 | suptr = (u32 *) txptr->tx_buf_ptr; | |
1392 | ||
1393 | /* Node address */ | |
1394 | addrptr = (u16 *) dev->dev_addr; | |
e284e5c6 AV |
1395 | *suptr++ = addrptr[0] << FLT_SHIFT; |
1396 | *suptr++ = addrptr[1] << FLT_SHIFT; | |
1397 | *suptr++ = addrptr[2] << FLT_SHIFT; | |
4689ced9 PC |
1398 | |
1399 | /* broadcast address */ | |
e284e5c6 AV |
1400 | *suptr++ = 0xffff << FLT_SHIFT; |
1401 | *suptr++ = 0xffff << FLT_SHIFT; | |
1402 | *suptr++ = 0xffff << FLT_SHIFT; | |
4689ced9 PC |
1403 | |
1404 | /* fit the multicast address */ | |
22bedad3 JP |
1405 | netdev_for_each_mc_addr(ha, dev) { |
1406 | addrptr = (u16 *) ha->addr; | |
e284e5c6 AV |
1407 | *suptr++ = addrptr[0] << FLT_SHIFT; |
1408 | *suptr++ = addrptr[1] << FLT_SHIFT; | |
1409 | *suptr++ = addrptr[2] << FLT_SHIFT; | |
4689ced9 PC |
1410 | } |
1411 | ||
4302b67e | 1412 | for (i = netdev_mc_count(dev); i < 14; i++) { |
e284e5c6 AV |
1413 | *suptr++ = 0xffff << FLT_SHIFT; |
1414 | *suptr++ = 0xffff << FLT_SHIFT; | |
1415 | *suptr++ = 0xffff << FLT_SHIFT; | |
4689ced9 PC |
1416 | } |
1417 | ||
1418 | /* prepare the setup frame */ | |
1419 | db->tx_insert_ptr = txptr->next_tx_desc; | |
1420 | txptr->tdes1 = cpu_to_le32(0x890000c0); | |
1421 | ||
1422 | /* Resource Check and Send the setup packet */ | |
1423 | if (db->tx_packet_cnt < TX_DESC_CNT) { | |
1424 | /* Resource Empty */ | |
1425 | db->tx_packet_cnt++; | |
1426 | txptr->tdes0 = cpu_to_le32(0x80000000); | |
3acf4b5c FR |
1427 | update_cr6(db->cr6_data | 0x2000, ioaddr); |
1428 | uw32(DCR1, 0x1); /* Issue Tx polling */ | |
1429 | update_cr6(db->cr6_data, ioaddr); | |
860e9538 | 1430 | netif_trans_update(dev); |
4689ced9 | 1431 | } else |
163ef0b5 | 1432 | netdev_err(dev, "No Tx resource - Send_filter_frame!\n"); |
4689ced9 PC |
1433 | } |
1434 | ||
1435 | ||
1436 | /* | |
1437 | * Allocate rx buffer, | |
1438 | * As possible as allocate maxiumn Rx buffer | |
1439 | */ | |
1440 | ||
1ab0d2ec | 1441 | static void allocate_rx_buffer(struct net_device *dev) |
4689ced9 | 1442 | { |
1ab0d2ec | 1443 | struct uli526x_board_info *db = netdev_priv(dev); |
4689ced9 PC |
1444 | struct rx_desc *rxptr; |
1445 | struct sk_buff *skb; | |
1446 | ||
1447 | rxptr = db->rx_insert_ptr; | |
1448 | ||
1449 | while(db->rx_avail_cnt < RX_DESC_CNT) { | |
1ab0d2ec PD |
1450 | skb = netdev_alloc_skb(dev, RX_ALLOC_SIZE); |
1451 | if (skb == NULL) | |
4689ced9 PC |
1452 | break; |
1453 | rxptr->rx_skb_ptr = skb; /* FIXME (?) */ | |
27a884dc ACM |
1454 | rxptr->rdes2 = cpu_to_le32(pci_map_single(db->pdev, |
1455 | skb_tail_pointer(skb), | |
1456 | RX_ALLOC_SIZE, | |
1457 | PCI_DMA_FROMDEVICE)); | |
4689ced9 PC |
1458 | wmb(); |
1459 | rxptr->rdes0 = cpu_to_le32(0x80000000); | |
1460 | rxptr = rxptr->next_rx_desc; | |
1461 | db->rx_avail_cnt++; | |
1462 | } | |
1463 | ||
1464 | db->rx_insert_ptr = rxptr; | |
1465 | } | |
1466 | ||
1467 | ||
1468 | /* | |
1469 | * Read one word data from the serial ROM | |
1470 | */ | |
1471 | ||
3acf4b5c | 1472 | static u16 read_srom_word(struct uli526x_board_info *db, int offset) |
4689ced9 | 1473 | { |
3acf4b5c | 1474 | void __iomem *ioaddr = db->ioaddr; |
4689ced9 | 1475 | u16 srom_data = 0; |
3acf4b5c | 1476 | int i; |
4689ced9 | 1477 | |
3acf4b5c FR |
1478 | uw32(DCR9, CR9_SROM_READ); |
1479 | uw32(DCR9, CR9_SROM_READ | CR9_SRCS); | |
4689ced9 PC |
1480 | |
1481 | /* Send the Read Command 110b */ | |
3acf4b5c FR |
1482 | srom_clk_write(db, SROM_DATA_1); |
1483 | srom_clk_write(db, SROM_DATA_1); | |
1484 | srom_clk_write(db, SROM_DATA_0); | |
4689ced9 PC |
1485 | |
1486 | /* Send the offset */ | |
1487 | for (i = 5; i >= 0; i--) { | |
1488 | srom_data = (offset & (1 << i)) ? SROM_DATA_1 : SROM_DATA_0; | |
3acf4b5c | 1489 | srom_clk_write(db, srom_data); |
4689ced9 PC |
1490 | } |
1491 | ||
3acf4b5c | 1492 | uw32(DCR9, CR9_SROM_READ | CR9_SRCS); |
4689ced9 PC |
1493 | |
1494 | for (i = 16; i > 0; i--) { | |
3acf4b5c | 1495 | uw32(DCR9, CR9_SROM_READ | CR9_SRCS | CR9_SRCLK); |
4689ced9 | 1496 | udelay(5); |
3acf4b5c FR |
1497 | srom_data = (srom_data << 1) | |
1498 | ((ur32(DCR9) & CR9_CRDOUT) ? 1 : 0); | |
1499 | uw32(DCR9, CR9_SROM_READ | CR9_SRCS); | |
4689ced9 PC |
1500 | udelay(5); |
1501 | } | |
1502 | ||
3acf4b5c | 1503 | uw32(DCR9, CR9_SROM_READ); |
4689ced9 PC |
1504 | return srom_data; |
1505 | } | |
1506 | ||
1507 | ||
1508 | /* | |
1509 | * Auto sense the media mode | |
1510 | */ | |
1511 | ||
1512 | static u8 uli526x_sense_speed(struct uli526x_board_info * db) | |
1513 | { | |
3acf4b5c | 1514 | struct uli_phy_ops *phy = &db->phy; |
4689ced9 PC |
1515 | u8 ErrFlag = 0; |
1516 | u16 phy_mode; | |
1517 | ||
3acf4b5c FR |
1518 | phy_mode = phy->read(db, db->phy_addr, 1); |
1519 | phy_mode = phy->read(db, db->phy_addr, 1); | |
4689ced9 PC |
1520 | |
1521 | if ( (phy_mode & 0x24) == 0x24 ) { | |
f3b197ac | 1522 | |
3acf4b5c | 1523 | phy_mode = ((phy->read(db, db->phy_addr, 5) & 0x01e0)<<7); |
4689ced9 PC |
1524 | if(phy_mode&0x8000) |
1525 | phy_mode = 0x8000; | |
1526 | else if(phy_mode&0x4000) | |
1527 | phy_mode = 0x4000; | |
1528 | else if(phy_mode&0x2000) | |
1529 | phy_mode = 0x2000; | |
1530 | else | |
1531 | phy_mode = 0x1000; | |
f3b197ac | 1532 | |
4689ced9 PC |
1533 | switch (phy_mode) { |
1534 | case 0x1000: db->op_mode = ULI526X_10MHF; break; | |
1535 | case 0x2000: db->op_mode = ULI526X_10MFD; break; | |
1536 | case 0x4000: db->op_mode = ULI526X_100MHF; break; | |
1537 | case 0x8000: db->op_mode = ULI526X_100MFD; break; | |
1538 | default: db->op_mode = ULI526X_10MHF; ErrFlag = 1; break; | |
1539 | } | |
1540 | } else { | |
1541 | db->op_mode = ULI526X_10MHF; | |
1542 | ULI526X_DBUG(0, "Link Failed :", phy_mode); | |
1543 | ErrFlag = 1; | |
1544 | } | |
1545 | ||
1546 | return ErrFlag; | |
1547 | } | |
1548 | ||
1549 | ||
1550 | /* | |
1551 | * Set 10/100 phyxcer capability | |
1552 | * AUTO mode : phyxcer register4 is NIC capability | |
1553 | * Force mode: phyxcer register4 is the force media | |
1554 | */ | |
1555 | ||
1556 | static void uli526x_set_phyxcer(struct uli526x_board_info *db) | |
1557 | { | |
3acf4b5c | 1558 | struct uli_phy_ops *phy = &db->phy; |
4689ced9 | 1559 | u16 phy_reg; |
f3b197ac | 1560 | |
4689ced9 | 1561 | /* Phyxcer capability setting */ |
3acf4b5c | 1562 | phy_reg = phy->read(db, db->phy_addr, 4) & ~0x01e0; |
4689ced9 PC |
1563 | |
1564 | if (db->media_mode & ULI526X_AUTO) { | |
1565 | /* AUTO Mode */ | |
1566 | phy_reg |= db->PHY_reg4; | |
1567 | } else { | |
1568 | /* Force Mode */ | |
1569 | switch(db->media_mode) { | |
1570 | case ULI526X_10MHF: phy_reg |= 0x20; break; | |
1571 | case ULI526X_10MFD: phy_reg |= 0x40; break; | |
1572 | case ULI526X_100MHF: phy_reg |= 0x80; break; | |
1573 | case ULI526X_100MFD: phy_reg |= 0x100; break; | |
1574 | } | |
f3b197ac | 1575 | |
4689ced9 PC |
1576 | } |
1577 | ||
1578 | /* Write new capability to Phyxcer Reg4 */ | |
1579 | if ( !(phy_reg & 0x01e0)) { | |
1580 | phy_reg|=db->PHY_reg4; | |
1581 | db->media_mode|=ULI526X_AUTO; | |
1582 | } | |
3acf4b5c | 1583 | phy->write(db, db->phy_addr, 4, phy_reg); |
4689ced9 PC |
1584 | |
1585 | /* Restart Auto-Negotiation */ | |
3acf4b5c | 1586 | phy->write(db, db->phy_addr, 0, 0x1200); |
4689ced9 PC |
1587 | udelay(50); |
1588 | } | |
1589 | ||
1590 | ||
1591 | /* | |
1592 | * Process op-mode | |
1593 | AUTO mode : PHY controller in Auto-negotiation Mode | |
1594 | * Force mode: PHY controller in force mode with HUB | |
1595 | * N-way force capability with SWITCH | |
1596 | */ | |
1597 | ||
1598 | static void uli526x_process_mode(struct uli526x_board_info *db) | |
1599 | { | |
3acf4b5c | 1600 | struct uli_phy_ops *phy = &db->phy; |
4689ced9 PC |
1601 | u16 phy_reg; |
1602 | ||
1603 | /* Full Duplex Mode Check */ | |
1604 | if (db->op_mode & 0x4) | |
1605 | db->cr6_data |= CR6_FDM; /* Set Full Duplex Bit */ | |
1606 | else | |
1607 | db->cr6_data &= ~CR6_FDM; /* Clear Full Duplex Bit */ | |
1608 | ||
1609 | update_cr6(db->cr6_data, db->ioaddr); | |
1610 | ||
1611 | /* 10/100M phyxcer force mode need */ | |
3acf4b5c | 1612 | if (!(db->media_mode & 0x8)) { |
4689ced9 | 1613 | /* Forece Mode */ |
3acf4b5c FR |
1614 | phy_reg = phy->read(db, db->phy_addr, 6); |
1615 | if (!(phy_reg & 0x1)) { | |
4689ced9 PC |
1616 | /* parter without N-Way capability */ |
1617 | phy_reg = 0x0; | |
1618 | switch(db->op_mode) { | |
1619 | case ULI526X_10MHF: phy_reg = 0x0; break; | |
1620 | case ULI526X_10MFD: phy_reg = 0x100; break; | |
1621 | case ULI526X_100MHF: phy_reg = 0x2000; break; | |
1622 | case ULI526X_100MFD: phy_reg = 0x2100; break; | |
1623 | } | |
3acf4b5c | 1624 | phy->write(db, db->phy_addr, 0, phy_reg); |
4689ced9 PC |
1625 | } |
1626 | } | |
1627 | } | |
1628 | ||
1629 | ||
3acf4b5c FR |
1630 | /* M5261/M5263 Chip */ |
1631 | static void phy_writeby_cr9(struct uli526x_board_info *db, u8 phy_addr, | |
1632 | u8 offset, u16 phy_data) | |
4689ced9 PC |
1633 | { |
1634 | u16 i; | |
4689ced9 PC |
1635 | |
1636 | /* Send 33 synchronization clock to Phy controller */ | |
1637 | for (i = 0; i < 35; i++) | |
3acf4b5c | 1638 | phy_write_1bit(db, PHY_DATA_1); |
4689ced9 PC |
1639 | |
1640 | /* Send start command(01) to Phy */ | |
3acf4b5c FR |
1641 | phy_write_1bit(db, PHY_DATA_0); |
1642 | phy_write_1bit(db, PHY_DATA_1); | |
4689ced9 PC |
1643 | |
1644 | /* Send write command(01) to Phy */ | |
3acf4b5c FR |
1645 | phy_write_1bit(db, PHY_DATA_0); |
1646 | phy_write_1bit(db, PHY_DATA_1); | |
4689ced9 PC |
1647 | |
1648 | /* Send Phy address */ | |
1649 | for (i = 0x10; i > 0; i = i >> 1) | |
3acf4b5c | 1650 | phy_write_1bit(db, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0); |
4689ced9 PC |
1651 | |
1652 | /* Send register address */ | |
1653 | for (i = 0x10; i > 0; i = i >> 1) | |
3acf4b5c | 1654 | phy_write_1bit(db, offset & i ? PHY_DATA_1 : PHY_DATA_0); |
4689ced9 PC |
1655 | |
1656 | /* written trasnition */ | |
3acf4b5c FR |
1657 | phy_write_1bit(db, PHY_DATA_1); |
1658 | phy_write_1bit(db, PHY_DATA_0); | |
4689ced9 PC |
1659 | |
1660 | /* Write a word data to PHY controller */ | |
3acf4b5c FR |
1661 | for (i = 0x8000; i > 0; i >>= 1) |
1662 | phy_write_1bit(db, phy_data & i ? PHY_DATA_1 : PHY_DATA_0); | |
4689ced9 PC |
1663 | } |
1664 | ||
3acf4b5c | 1665 | static u16 phy_readby_cr9(struct uli526x_board_info *db, u8 phy_addr, u8 offset) |
4689ced9 | 1666 | { |
4689ced9 | 1667 | u16 phy_data; |
3acf4b5c | 1668 | int i; |
f3b197ac | 1669 | |
4689ced9 PC |
1670 | /* Send 33 synchronization clock to Phy controller */ |
1671 | for (i = 0; i < 35; i++) | |
3acf4b5c | 1672 | phy_write_1bit(db, PHY_DATA_1); |
4689ced9 PC |
1673 | |
1674 | /* Send start command(01) to Phy */ | |
3acf4b5c FR |
1675 | phy_write_1bit(db, PHY_DATA_0); |
1676 | phy_write_1bit(db, PHY_DATA_1); | |
4689ced9 PC |
1677 | |
1678 | /* Send read command(10) to Phy */ | |
3acf4b5c FR |
1679 | phy_write_1bit(db, PHY_DATA_1); |
1680 | phy_write_1bit(db, PHY_DATA_0); | |
4689ced9 PC |
1681 | |
1682 | /* Send Phy address */ | |
1683 | for (i = 0x10; i > 0; i = i >> 1) | |
3acf4b5c | 1684 | phy_write_1bit(db, phy_addr & i ? PHY_DATA_1 : PHY_DATA_0); |
4689ced9 PC |
1685 | |
1686 | /* Send register address */ | |
1687 | for (i = 0x10; i > 0; i = i >> 1) | |
3acf4b5c | 1688 | phy_write_1bit(db, offset & i ? PHY_DATA_1 : PHY_DATA_0); |
4689ced9 PC |
1689 | |
1690 | /* Skip transition state */ | |
3acf4b5c | 1691 | phy_read_1bit(db); |
4689ced9 PC |
1692 | |
1693 | /* read 16bit data */ | |
1694 | for (phy_data = 0, i = 0; i < 16; i++) { | |
1695 | phy_data <<= 1; | |
3acf4b5c | 1696 | phy_data |= phy_read_1bit(db); |
4689ced9 PC |
1697 | } |
1698 | ||
1699 | return phy_data; | |
1700 | } | |
1701 | ||
3acf4b5c FR |
1702 | static u16 phy_readby_cr10(struct uli526x_board_info *db, u8 phy_addr, |
1703 | u8 offset) | |
4689ced9 | 1704 | { |
3acf4b5c FR |
1705 | void __iomem *ioaddr = db->ioaddr; |
1706 | u32 cr10_value = phy_addr; | |
f3b197ac | 1707 | |
3acf4b5c FR |
1708 | cr10_value = (cr10_value << 5) + offset; |
1709 | cr10_value = (cr10_value << 16) + 0x08000000; | |
1710 | uw32(DCR10, cr10_value); | |
4689ced9 | 1711 | udelay(1); |
3acf4b5c FR |
1712 | while (1) { |
1713 | cr10_value = ur32(DCR10); | |
1714 | if (cr10_value & 0x10000000) | |
4689ced9 PC |
1715 | break; |
1716 | } | |
807540ba | 1717 | return cr10_value & 0x0ffff; |
4689ced9 PC |
1718 | } |
1719 | ||
3acf4b5c FR |
1720 | static void phy_writeby_cr10(struct uli526x_board_info *db, u8 phy_addr, |
1721 | u8 offset, u16 phy_data) | |
4689ced9 | 1722 | { |
3acf4b5c FR |
1723 | void __iomem *ioaddr = db->ioaddr; |
1724 | u32 cr10_value = phy_addr; | |
f3b197ac | 1725 | |
3acf4b5c FR |
1726 | cr10_value = (cr10_value << 5) + offset; |
1727 | cr10_value = (cr10_value << 16) + 0x04000000 + phy_data; | |
1728 | uw32(DCR10, cr10_value); | |
4689ced9 PC |
1729 | udelay(1); |
1730 | } | |
1731 | /* | |
1732 | * Write one bit data to Phy Controller | |
1733 | */ | |
1734 | ||
3acf4b5c | 1735 | static void phy_write_1bit(struct uli526x_board_info *db, u32 data) |
4689ced9 | 1736 | { |
3acf4b5c FR |
1737 | void __iomem *ioaddr = db->ioaddr; |
1738 | ||
1739 | uw32(DCR9, data); /* MII Clock Low */ | |
4689ced9 | 1740 | udelay(1); |
3acf4b5c | 1741 | uw32(DCR9, data | MDCLKH); /* MII Clock High */ |
4689ced9 | 1742 | udelay(1); |
3acf4b5c | 1743 | uw32(DCR9, data); /* MII Clock Low */ |
4689ced9 PC |
1744 | udelay(1); |
1745 | } | |
1746 | ||
1747 | ||
1748 | /* | |
1749 | * Read one bit phy data from PHY controller | |
1750 | */ | |
1751 | ||
3acf4b5c | 1752 | static u16 phy_read_1bit(struct uli526x_board_info *db) |
4689ced9 | 1753 | { |
3acf4b5c | 1754 | void __iomem *ioaddr = db->ioaddr; |
4689ced9 | 1755 | u16 phy_data; |
f3b197ac | 1756 | |
3acf4b5c | 1757 | uw32(DCR9, 0x50000); |
4689ced9 | 1758 | udelay(1); |
3acf4b5c FR |
1759 | phy_data = (ur32(DCR9) >> 19) & 0x1; |
1760 | uw32(DCR9, 0x40000); | |
4689ced9 PC |
1761 | udelay(1); |
1762 | ||
1763 | return phy_data; | |
1764 | } | |
1765 | ||
1766 | ||
9baa3c34 | 1767 | static const struct pci_device_id uli526x_pci_tbl[] = { |
4689ced9 PC |
1768 | { 0x10B9, 0x5261, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_ULI5261_ID }, |
1769 | { 0x10B9, 0x5263, PCI_ANY_ID, PCI_ANY_ID, 0, 0, PCI_ULI5263_ID }, | |
1770 | { 0, } | |
1771 | }; | |
1772 | MODULE_DEVICE_TABLE(pci, uli526x_pci_tbl); | |
1773 | ||
1774 | ||
1775 | static struct pci_driver uli526x_driver = { | |
1776 | .name = "uli526x", | |
1777 | .id_table = uli526x_pci_tbl, | |
1778 | .probe = uli526x_init_one, | |
779c1a85 | 1779 | .remove = uli526x_remove_one, |
b6aec32a RW |
1780 | .suspend = uli526x_suspend, |
1781 | .resume = uli526x_resume, | |
4689ced9 PC |
1782 | }; |
1783 | ||
1784 | MODULE_AUTHOR("Peer Chen, peer.chen@uli.com.tw"); | |
1785 | MODULE_DESCRIPTION("ULi M5261/M5263 fast ethernet driver"); | |
1786 | MODULE_LICENSE("GPL"); | |
1787 | ||
c213460f ES |
1788 | module_param(debug, int, 0644); |
1789 | module_param(mode, int, 0); | |
1790 | module_param(cr6set, int, 0); | |
4689ced9 PC |
1791 | MODULE_PARM_DESC(debug, "ULi M5261/M5263 enable debugging (0-1)"); |
1792 | MODULE_PARM_DESC(mode, "ULi M5261/M5263: Bit 0: 10/100Mbps, bit 2: duplex, bit 8: HomePNA"); | |
1793 | ||
1794 | /* Description: | |
1795 | * when user used insmod to add module, system invoked init_module() | |
945a7876 | 1796 | * to register the services. |
4689ced9 PC |
1797 | */ |
1798 | ||
1799 | static int __init uli526x_init_module(void) | |
1800 | { | |
4689ced9 | 1801 | |
1c3319fb | 1802 | pr_info("%s\n", version); |
4689ced9 PC |
1803 | printed_version = 1; |
1804 | ||
1805 | ULI526X_DBUG(0, "init_module() ", debug); | |
1806 | ||
1807 | if (debug) | |
1808 | uli526x_debug = debug; /* set debug flag */ | |
1809 | if (cr6set) | |
1810 | uli526x_cr6_user_set = cr6set; | |
1811 | ||
e1c3e501 | 1812 | switch (mode) { |
4689ced9 PC |
1813 | case ULI526X_10MHF: |
1814 | case ULI526X_100MHF: | |
1815 | case ULI526X_10MFD: | |
1816 | case ULI526X_100MFD: | |
1817 | uli526x_media_mode = mode; | |
1818 | break; | |
e1c3e501 HK |
1819 | default: |
1820 | uli526x_media_mode = ULI526X_AUTO; | |
4689ced9 PC |
1821 | break; |
1822 | } | |
1823 | ||
e1c3e501 | 1824 | return pci_register_driver(&uli526x_driver); |
4689ced9 PC |
1825 | } |
1826 | ||
1827 | ||
1828 | /* | |
1829 | * Description: | |
1830 | * when user used rmmod to delete module, system invoked clean_module() | |
1831 | * to un-register all registered services. | |
1832 | */ | |
1833 | ||
1834 | static void __exit uli526x_cleanup_module(void) | |
1835 | { | |
791a1ddd | 1836 | ULI526X_DBUG(0, "uli526x_cleanup_module() ", debug); |
4689ced9 PC |
1837 | pci_unregister_driver(&uli526x_driver); |
1838 | } | |
1839 | ||
1840 | module_init(uli526x_init_module); | |
1841 | module_exit(uli526x_cleanup_module); |