1 | /* |
---|
2 | * Copyright (c) 2008 Marty Connor <mdc@etherboot.org> |
---|
3 | * Copyright (c) 2008 Entity Cyber, Inc. |
---|
4 | * |
---|
5 | * This program is free software; you can redistribute it and/or |
---|
6 | * modify it under the terms of the GNU General Public License as |
---|
7 | * published by the Free Software Foundation; either version 2 of the |
---|
8 | * License, or any later version. |
---|
9 | * |
---|
10 | * This program is distributed in the hope that it will be useful, but |
---|
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
13 | * General Public License for more details. |
---|
14 | * |
---|
15 | * You should have received a copy of the GNU General Public License |
---|
16 | * along with this program; if not, write to the Free Software |
---|
17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
---|
18 | * |
---|
19 | * This driver is based on rtl8169 data sheets and work by: |
---|
20 | * |
---|
21 | * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw> |
---|
22 | * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com> |
---|
23 | * Copyright (c) a lot of people too. Please respect their work. |
---|
24 | */ |
---|
25 | |
---|
26 | FILE_LICENCE ( GPL2_OR_LATER ); |
---|
27 | |
---|
28 | #include <stdint.h> |
---|
29 | #include <stdio.h> |
---|
30 | #include <stdlib.h> |
---|
31 | #include <string.h> |
---|
32 | #include <unistd.h> |
---|
33 | #include <assert.h> |
---|
34 | #include <byteswap.h> |
---|
35 | #include <errno.h> |
---|
36 | #include <gpxe/ethernet.h> |
---|
37 | #include <gpxe/if_ether.h> |
---|
38 | #include <gpxe/io.h> |
---|
39 | #include <gpxe/iobuf.h> |
---|
40 | #include <gpxe/malloc.h> |
---|
41 | #include <gpxe/netdevice.h> |
---|
42 | #include <gpxe/pci.h> |
---|
43 | #include <gpxe/timer.h> |
---|
44 | #include <mii.h> |
---|
45 | |
---|
46 | #include "r8169.h" |
---|
47 | |
---|
48 | /*** Low level hardware routines ***/ |
---|
49 | |
---|
50 | static void mdio_write(void *ioaddr, int reg_addr, int value) |
---|
51 | { |
---|
52 | int i; |
---|
53 | |
---|
54 | DBGP ( "mdio_write\n" ); |
---|
55 | |
---|
56 | RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff)); |
---|
57 | |
---|
58 | for (i = 20; i > 0; i--) { |
---|
59 | /* |
---|
60 | * Check if the RTL8169 has completed writing to the specified |
---|
61 | * MII register. |
---|
62 | */ |
---|
63 | if (!(RTL_R32(PHYAR) & 0x80000000)) |
---|
64 | break; |
---|
65 | udelay(25); |
---|
66 | } |
---|
67 | } |
---|
68 | |
---|
69 | static int mdio_read(void *ioaddr, int reg_addr) |
---|
70 | { |
---|
71 | int i, value = -1; |
---|
72 | |
---|
73 | DBGP ( "mdio_read\n" ); |
---|
74 | |
---|
75 | RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16); |
---|
76 | |
---|
77 | for (i = 20; i > 0; i--) { |
---|
78 | /* |
---|
79 | * Check if the RTL8169 has completed retrieving data from |
---|
80 | * the specified MII register. |
---|
81 | */ |
---|
82 | if (RTL_R32(PHYAR) & 0x80000000) { |
---|
83 | value = RTL_R32(PHYAR) & 0xffff; |
---|
84 | break; |
---|
85 | } |
---|
86 | udelay(25); |
---|
87 | } |
---|
88 | return value; |
---|
89 | } |
---|
90 | |
---|
91 | static void mdio_patch(void *ioaddr, int reg_addr, int value) |
---|
92 | { |
---|
93 | DBGP ( "mdio_patch\n" ); |
---|
94 | |
---|
95 | mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value); |
---|
96 | } |
---|
97 | |
---|
98 | static void rtl_ephy_write(void *ioaddr, int reg_addr, int value) |
---|
99 | { |
---|
100 | unsigned int i; |
---|
101 | |
---|
102 | DBGP ( "rtl_ephy_write\n" ); |
---|
103 | |
---|
104 | RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) | |
---|
105 | (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); |
---|
106 | |
---|
107 | for (i = 0; i < 100; i++) { |
---|
108 | if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG)) |
---|
109 | break; |
---|
110 | udelay(10); |
---|
111 | } |
---|
112 | } |
---|
113 | |
---|
114 | static u16 rtl_ephy_read(void *ioaddr, int reg_addr) |
---|
115 | { |
---|
116 | u16 value = 0xffff; |
---|
117 | unsigned int i; |
---|
118 | |
---|
119 | DBGP ( "rtl_ephy_read\n" ); |
---|
120 | |
---|
121 | RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); |
---|
122 | |
---|
123 | for (i = 0; i < 100; i++) { |
---|
124 | if (RTL_R32(EPHYAR) & EPHYAR_FLAG) { |
---|
125 | value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK; |
---|
126 | break; |
---|
127 | } |
---|
128 | udelay(10); |
---|
129 | } |
---|
130 | |
---|
131 | return value; |
---|
132 | } |
---|
133 | |
---|
134 | static void rtl_csi_write(void *ioaddr, int addr, int value) |
---|
135 | { |
---|
136 | unsigned int i; |
---|
137 | |
---|
138 | DBGP ( "rtl_csi_write\n" ); |
---|
139 | |
---|
140 | RTL_W32(CSIDR, value); |
---|
141 | RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) | |
---|
142 | CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT); |
---|
143 | |
---|
144 | for (i = 0; i < 100; i++) { |
---|
145 | if (!(RTL_R32(CSIAR) & CSIAR_FLAG)) |
---|
146 | break; |
---|
147 | udelay(10); |
---|
148 | } |
---|
149 | } |
---|
150 | |
---|
151 | static u32 rtl_csi_read(void *ioaddr, int addr) |
---|
152 | { |
---|
153 | u32 value = ~0x00; |
---|
154 | unsigned int i; |
---|
155 | |
---|
156 | DBGP ( "rtl_csi_read\n" ); |
---|
157 | |
---|
158 | RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | |
---|
159 | CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT); |
---|
160 | |
---|
161 | for (i = 0; i < 100; i++) { |
---|
162 | if (RTL_R32(CSIAR) & CSIAR_FLAG) { |
---|
163 | value = RTL_R32(CSIDR); |
---|
164 | break; |
---|
165 | } |
---|
166 | udelay(10); |
---|
167 | } |
---|
168 | |
---|
169 | return value; |
---|
170 | } |
---|
171 | |
---|
172 | static void rtl8169_irq_mask_and_ack(void *ioaddr) |
---|
173 | { |
---|
174 | DBGP ( "rtl8169_irq_mask_and_ack\n" ); |
---|
175 | |
---|
176 | RTL_W16(IntrMask, 0x0000); |
---|
177 | |
---|
178 | RTL_W16(IntrStatus, 0xffff); |
---|
179 | } |
---|
180 | |
---|
181 | static unsigned int rtl8169_tbi_reset_pending(void *ioaddr) |
---|
182 | { |
---|
183 | DBGP ( "rtl8169_tbi_reset_pending\n" ); |
---|
184 | |
---|
185 | return RTL_R32(TBICSR) & TBIReset; |
---|
186 | } |
---|
187 | |
---|
188 | static unsigned int rtl8169_xmii_reset_pending(void *ioaddr) |
---|
189 | { |
---|
190 | DBGP ( "rtl8169_xmii_reset_pending\n" ); |
---|
191 | |
---|
192 | return mdio_read(ioaddr, MII_BMCR) & BMCR_RESET; |
---|
193 | } |
---|
194 | |
---|
195 | static unsigned int rtl8169_tbi_link_ok(void *ioaddr) |
---|
196 | { |
---|
197 | DBGP ( "rtl8169_tbi_link_ok\n" ); |
---|
198 | |
---|
199 | return RTL_R32(TBICSR) & TBILinkOk; |
---|
200 | } |
---|
201 | |
---|
202 | static unsigned int rtl8169_xmii_link_ok(void *ioaddr) |
---|
203 | { |
---|
204 | DBGP ( "rtl8169_xmii_link_ok\n" ); |
---|
205 | |
---|
206 | return RTL_R8(PHYstatus) & LinkStatus; |
---|
207 | } |
---|
208 | |
---|
209 | static void rtl8169_tbi_reset_enable(void *ioaddr) |
---|
210 | { |
---|
211 | DBGP ( "rtl8169_tbi_reset_enable\n" ); |
---|
212 | |
---|
213 | RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset); |
---|
214 | } |
---|
215 | |
---|
216 | static void rtl8169_xmii_reset_enable(void *ioaddr) |
---|
217 | { |
---|
218 | unsigned int val; |
---|
219 | |
---|
220 | DBGP ( "rtl8169_xmii_reset_enable\n" ); |
---|
221 | |
---|
222 | val = mdio_read(ioaddr, MII_BMCR) | BMCR_RESET; |
---|
223 | mdio_write(ioaddr, MII_BMCR, val & 0xffff); |
---|
224 | } |
---|
225 | |
---|
226 | static int rtl8169_set_speed_tbi(struct net_device *dev, |
---|
227 | u8 autoneg, u16 speed, u8 duplex) |
---|
228 | { |
---|
229 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
230 | void *ioaddr = tp->mmio_addr; |
---|
231 | int ret = 0; |
---|
232 | u32 reg; |
---|
233 | |
---|
234 | DBGP ( "rtl8169_set_speed_tbi\n" ); |
---|
235 | |
---|
236 | reg = RTL_R32(TBICSR); |
---|
237 | if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) && |
---|
238 | (duplex == DUPLEX_FULL)) { |
---|
239 | RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart)); |
---|
240 | } else if (autoneg == AUTONEG_ENABLE) |
---|
241 | RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart); |
---|
242 | else { |
---|
243 | DBG ( "incorrect speed setting refused in TBI mode\n" ); |
---|
244 | ret = -EOPNOTSUPP; |
---|
245 | } |
---|
246 | return ret; |
---|
247 | } |
---|
248 | |
---|
249 | static int rtl8169_set_speed_xmii(struct net_device *dev, |
---|
250 | u8 autoneg, u16 speed, u8 duplex) |
---|
251 | { |
---|
252 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
253 | void *ioaddr = tp->mmio_addr; |
---|
254 | int auto_nego, giga_ctrl; |
---|
255 | |
---|
256 | DBGP ( "rtl8169_set_speed_xmii\n" ); |
---|
257 | |
---|
258 | auto_nego = mdio_read(ioaddr, MII_ADVERTISE); |
---|
259 | auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL | |
---|
260 | ADVERTISE_100HALF | ADVERTISE_100FULL); |
---|
261 | giga_ctrl = mdio_read(ioaddr, MII_CTRL1000); |
---|
262 | giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); |
---|
263 | |
---|
264 | if (autoneg == AUTONEG_ENABLE) { |
---|
265 | auto_nego |= (ADVERTISE_10HALF | ADVERTISE_10FULL | |
---|
266 | ADVERTISE_100HALF | ADVERTISE_100FULL); |
---|
267 | giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; |
---|
268 | } else { |
---|
269 | if (speed == SPEED_10) |
---|
270 | auto_nego |= ADVERTISE_10HALF | ADVERTISE_10FULL; |
---|
271 | else if (speed == SPEED_100) |
---|
272 | auto_nego |= ADVERTISE_100HALF | ADVERTISE_100FULL; |
---|
273 | else if (speed == SPEED_1000) |
---|
274 | giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; |
---|
275 | |
---|
276 | if (duplex == DUPLEX_HALF) |
---|
277 | auto_nego &= ~(ADVERTISE_10FULL | ADVERTISE_100FULL); |
---|
278 | |
---|
279 | if (duplex == DUPLEX_FULL) |
---|
280 | auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_100HALF); |
---|
281 | |
---|
282 | /* This tweak comes straight from Realtek's driver. */ |
---|
283 | if ((speed == SPEED_100) && (duplex == DUPLEX_HALF) && |
---|
284 | ((tp->mac_version == RTL_GIGA_MAC_VER_13) || |
---|
285 | (tp->mac_version == RTL_GIGA_MAC_VER_16))) { |
---|
286 | auto_nego = ADVERTISE_100HALF | ADVERTISE_CSMA; |
---|
287 | } |
---|
288 | } |
---|
289 | |
---|
290 | /* The 8100e/8101e/8102e do Fast Ethernet only. */ |
---|
291 | if ((tp->mac_version == RTL_GIGA_MAC_VER_07) || |
---|
292 | (tp->mac_version == RTL_GIGA_MAC_VER_08) || |
---|
293 | (tp->mac_version == RTL_GIGA_MAC_VER_09) || |
---|
294 | (tp->mac_version == RTL_GIGA_MAC_VER_10) || |
---|
295 | (tp->mac_version == RTL_GIGA_MAC_VER_13) || |
---|
296 | (tp->mac_version == RTL_GIGA_MAC_VER_14) || |
---|
297 | (tp->mac_version == RTL_GIGA_MAC_VER_15) || |
---|
298 | (tp->mac_version == RTL_GIGA_MAC_VER_16)) { |
---|
299 | if ((giga_ctrl & (ADVERTISE_1000FULL | ADVERTISE_1000HALF))) { |
---|
300 | DBG ( "PHY does not support 1000Mbps.\n" ); |
---|
301 | } |
---|
302 | giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); |
---|
303 | } |
---|
304 | |
---|
305 | auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; |
---|
306 | |
---|
307 | if ((tp->mac_version == RTL_GIGA_MAC_VER_11) || |
---|
308 | (tp->mac_version == RTL_GIGA_MAC_VER_12) || |
---|
309 | (tp->mac_version >= RTL_GIGA_MAC_VER_17)) { |
---|
310 | /* |
---|
311 | * Wake up the PHY. |
---|
312 | * Vendor specific (0x1f) and reserved (0x0e) MII registers. |
---|
313 | */ |
---|
314 | mdio_write(ioaddr, 0x1f, 0x0000); |
---|
315 | mdio_write(ioaddr, 0x0e, 0x0000); |
---|
316 | } |
---|
317 | |
---|
318 | tp->phy_auto_nego_reg = auto_nego; |
---|
319 | tp->phy_1000_ctrl_reg = giga_ctrl; |
---|
320 | |
---|
321 | mdio_write(ioaddr, MII_ADVERTISE, auto_nego); |
---|
322 | mdio_write(ioaddr, MII_CTRL1000, giga_ctrl); |
---|
323 | mdio_write(ioaddr, MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART); |
---|
324 | return 0; |
---|
325 | } |
---|
326 | |
---|
327 | static int rtl8169_set_speed(struct net_device *dev, |
---|
328 | u8 autoneg, u16 speed, u8 duplex) |
---|
329 | { |
---|
330 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
331 | int ret; |
---|
332 | |
---|
333 | DBGP ( "rtl8169_set_speed\n" ); |
---|
334 | |
---|
335 | ret = tp->set_speed(dev, autoneg, speed, duplex); |
---|
336 | |
---|
337 | return ret; |
---|
338 | } |
---|
339 | |
---|
340 | static void rtl8169_write_gmii_reg_bit(void *ioaddr, int reg, |
---|
341 | int bitnum, int bitval) |
---|
342 | { |
---|
343 | int val; |
---|
344 | |
---|
345 | DBGP ( "rtl8169_write_gmii_reg_bit\n" ); |
---|
346 | |
---|
347 | val = mdio_read(ioaddr, reg); |
---|
348 | val = (bitval == 1) ? |
---|
349 | val | (bitval << bitnum) : val & ~(0x0001 << bitnum); |
---|
350 | mdio_write(ioaddr, reg, val & 0xffff); |
---|
351 | } |
---|
352 | |
---|
353 | static void rtl8169_get_mac_version(struct rtl8169_private *tp, |
---|
354 | void *ioaddr) |
---|
355 | { |
---|
356 | /* |
---|
357 | * The driver currently handles the 8168Bf and the 8168Be identically |
---|
358 | * but they can be identified more specifically through the test below |
---|
359 | * if needed: |
---|
360 | * |
---|
361 | * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be |
---|
362 | * |
---|
363 | * Same thing for the 8101Eb and the 8101Ec: |
---|
364 | * |
---|
365 | * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec |
---|
366 | */ |
---|
367 | const struct { |
---|
368 | u32 mask; |
---|
369 | u32 val; |
---|
370 | int mac_version; |
---|
371 | } mac_info[] = { |
---|
372 | /* 8168D family. */ |
---|
373 | { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_25 }, |
---|
374 | |
---|
375 | /* 8168C family. */ |
---|
376 | { 0x7cf00000, 0x3ca00000, RTL_GIGA_MAC_VER_24 }, |
---|
377 | { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 }, |
---|
378 | { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 }, |
---|
379 | { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 }, |
---|
380 | { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 }, |
---|
381 | { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 }, |
---|
382 | { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 }, |
---|
383 | { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 }, |
---|
384 | { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 }, |
---|
385 | |
---|
386 | /* 8168B family. */ |
---|
387 | { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 }, |
---|
388 | { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 }, |
---|
389 | { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 }, |
---|
390 | { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 }, |
---|
391 | |
---|
392 | /* 8101 family. */ |
---|
393 | { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 }, |
---|
394 | { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 }, |
---|
395 | { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 }, |
---|
396 | { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 }, |
---|
397 | { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 }, |
---|
398 | { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 }, |
---|
399 | { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 }, |
---|
400 | { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 }, |
---|
401 | { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 }, |
---|
402 | { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 }, |
---|
403 | { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 }, |
---|
404 | { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 }, |
---|
405 | /* FIXME: where did these entries come from ? -- FR */ |
---|
406 | { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 }, |
---|
407 | { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 }, |
---|
408 | |
---|
409 | /* 8110 family. */ |
---|
410 | { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 }, |
---|
411 | { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 }, |
---|
412 | { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 }, |
---|
413 | { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 }, |
---|
414 | { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 }, |
---|
415 | { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 }, |
---|
416 | |
---|
417 | { 0x00000000, 0x00000000, RTL_GIGA_MAC_VER_01 } /* Catch-all */ |
---|
418 | }, *p = mac_info; |
---|
419 | u32 reg; |
---|
420 | |
---|
421 | DBGP ( "rtl8169_get_mac_version\n" ); |
---|
422 | |
---|
423 | reg = RTL_R32(TxConfig); |
---|
424 | while ((reg & p->mask) != p->val) |
---|
425 | p++; |
---|
426 | tp->mac_version = p->mac_version; |
---|
427 | |
---|
428 | DBG ( "tp->mac_version = %d\n", tp->mac_version ); |
---|
429 | |
---|
430 | if (p->mask == 0x00000000) { |
---|
431 | DBG ( "unknown MAC (%08x)\n", reg ); |
---|
432 | } |
---|
433 | } |
---|
434 | |
---|
435 | struct phy_reg { |
---|
436 | u16 reg; |
---|
437 | u16 val; |
---|
438 | }; |
---|
439 | |
---|
440 | static void rtl_phy_write(void *ioaddr, struct phy_reg *regs, int len) |
---|
441 | { |
---|
442 | DBGP ( "rtl_phy_write\n" ); |
---|
443 | |
---|
444 | while (len-- > 0) { |
---|
445 | mdio_write(ioaddr, regs->reg, regs->val); |
---|
446 | regs++; |
---|
447 | } |
---|
448 | } |
---|
449 | |
---|
450 | static void rtl8169s_hw_phy_config(void *ioaddr) |
---|
451 | { |
---|
452 | struct { |
---|
453 | u16 regs[5]; /* Beware of bit-sign propagation */ |
---|
454 | } phy_magic[5] = { { |
---|
455 | { 0x0000, //w 4 15 12 0 |
---|
456 | 0x00a1, //w 3 15 0 00a1 |
---|
457 | 0x0008, //w 2 15 0 0008 |
---|
458 | 0x1020, //w 1 15 0 1020 |
---|
459 | 0x1000 } },{ //w 0 15 0 1000 |
---|
460 | { 0x7000, //w 4 15 12 7 |
---|
461 | 0xff41, //w 3 15 0 ff41 |
---|
462 | 0xde60, //w 2 15 0 de60 |
---|
463 | 0x0140, //w 1 15 0 0140 |
---|
464 | 0x0077 } },{ //w 0 15 0 0077 |
---|
465 | { 0xa000, //w 4 15 12 a |
---|
466 | 0xdf01, //w 3 15 0 df01 |
---|
467 | 0xdf20, //w 2 15 0 df20 |
---|
468 | 0xff95, //w 1 15 0 ff95 |
---|
469 | 0xfa00 } },{ //w 0 15 0 fa00 |
---|
470 | { 0xb000, //w 4 15 12 b |
---|
471 | 0xff41, //w 3 15 0 ff41 |
---|
472 | 0xde20, //w 2 15 0 de20 |
---|
473 | 0x0140, //w 1 15 0 0140 |
---|
474 | 0x00bb } },{ //w 0 15 0 00bb |
---|
475 | { 0xf000, //w 4 15 12 f |
---|
476 | 0xdf01, //w 3 15 0 df01 |
---|
477 | 0xdf20, //w 2 15 0 df20 |
---|
478 | 0xff95, //w 1 15 0 ff95 |
---|
479 | 0xbf00 } //w 0 15 0 bf00 |
---|
480 | } |
---|
481 | }, *p = phy_magic; |
---|
482 | unsigned int i; |
---|
483 | |
---|
484 | DBGP ( "rtl8169s_hw_phy_config\n" ); |
---|
485 | |
---|
486 | mdio_write(ioaddr, 0x1f, 0x0001); //w 31 2 0 1 |
---|
487 | mdio_write(ioaddr, 0x15, 0x1000); //w 21 15 0 1000 |
---|
488 | mdio_write(ioaddr, 0x18, 0x65c7); //w 24 15 0 65c7 |
---|
489 | rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 0); //w 4 11 11 0 |
---|
490 | |
---|
491 | for (i = 0; i < ARRAY_SIZE(phy_magic); i++, p++) { |
---|
492 | int val, pos = 4; |
---|
493 | |
---|
494 | val = (mdio_read(ioaddr, pos) & 0x0fff) | (p->regs[0] & 0xffff); |
---|
495 | mdio_write(ioaddr, pos, val); |
---|
496 | while (--pos >= 0) |
---|
497 | mdio_write(ioaddr, pos, p->regs[4 - pos] & 0xffff); |
---|
498 | rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 1); //w 4 11 11 1 |
---|
499 | rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 0); //w 4 11 11 0 |
---|
500 | } |
---|
501 | mdio_write(ioaddr, 0x1f, 0x0000); //w 31 2 0 0 |
---|
502 | } |
---|
503 | |
---|
504 | static void rtl8169sb_hw_phy_config(void *ioaddr) |
---|
505 | { |
---|
506 | struct phy_reg phy_reg_init[] = { |
---|
507 | { 0x1f, 0x0002 }, |
---|
508 | { 0x01, 0x90d0 }, |
---|
509 | { 0x1f, 0x0000 } |
---|
510 | }; |
---|
511 | |
---|
512 | DBGP ( "rtl8169sb_hw_phy_config\n" ); |
---|
513 | |
---|
514 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
515 | } |
---|
516 | |
---|
517 | static void rtl8168bb_hw_phy_config(void *ioaddr) |
---|
518 | { |
---|
519 | struct phy_reg phy_reg_init[] = { |
---|
520 | { 0x10, 0xf41b }, |
---|
521 | { 0x1f, 0x0000 } |
---|
522 | }; |
---|
523 | |
---|
524 | mdio_write(ioaddr, 0x1f, 0x0001); |
---|
525 | mdio_patch(ioaddr, 0x16, 1 << 0); |
---|
526 | |
---|
527 | DBGP ( "rtl8168bb_hw_phy_config\n" ); |
---|
528 | |
---|
529 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
530 | } |
---|
531 | |
---|
532 | static void rtl8168bef_hw_phy_config(void *ioaddr) |
---|
533 | { |
---|
534 | struct phy_reg phy_reg_init[] = { |
---|
535 | { 0x1f, 0x0001 }, |
---|
536 | { 0x10, 0xf41b }, |
---|
537 | { 0x1f, 0x0000 } |
---|
538 | }; |
---|
539 | |
---|
540 | DBGP ( "rtl8168bef_hw_phy_config\n" ); |
---|
541 | |
---|
542 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
543 | } |
---|
544 | |
---|
545 | static void rtl8168cp_1_hw_phy_config(void *ioaddr) |
---|
546 | { |
---|
547 | struct phy_reg phy_reg_init[] = { |
---|
548 | { 0x1f, 0x0000 }, |
---|
549 | { 0x1d, 0x0f00 }, |
---|
550 | { 0x1f, 0x0002 }, |
---|
551 | { 0x0c, 0x1ec8 }, |
---|
552 | { 0x1f, 0x0000 } |
---|
553 | }; |
---|
554 | |
---|
555 | DBGP ( "rtl8168cp_1_hw_phy_config\n" ); |
---|
556 | |
---|
557 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
558 | } |
---|
559 | |
---|
560 | static void rtl8168cp_2_hw_phy_config(void *ioaddr) |
---|
561 | { |
---|
562 | struct phy_reg phy_reg_init[] = { |
---|
563 | { 0x1f, 0x0001 }, |
---|
564 | { 0x1d, 0x3d98 }, |
---|
565 | { 0x1f, 0x0000 } |
---|
566 | }; |
---|
567 | |
---|
568 | DBGP ( "rtl8168cp_2_hw_phy_config\n" ); |
---|
569 | |
---|
570 | mdio_write(ioaddr, 0x1f, 0x0000); |
---|
571 | mdio_patch(ioaddr, 0x14, 1 << 5); |
---|
572 | mdio_patch(ioaddr, 0x0d, 1 << 5); |
---|
573 | |
---|
574 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
575 | } |
---|
576 | |
---|
577 | static void rtl8168c_1_hw_phy_config(void *ioaddr) |
---|
578 | { |
---|
579 | struct phy_reg phy_reg_init[] = { |
---|
580 | { 0x1f, 0x0001 }, |
---|
581 | { 0x12, 0x2300 }, |
---|
582 | { 0x1f, 0x0002 }, |
---|
583 | { 0x00, 0x88d4 }, |
---|
584 | { 0x01, 0x82b1 }, |
---|
585 | { 0x03, 0x7002 }, |
---|
586 | { 0x08, 0x9e30 }, |
---|
587 | { 0x09, 0x01f0 }, |
---|
588 | { 0x0a, 0x5500 }, |
---|
589 | { 0x0c, 0x00c8 }, |
---|
590 | { 0x1f, 0x0003 }, |
---|
591 | { 0x12, 0xc096 }, |
---|
592 | { 0x16, 0x000a }, |
---|
593 | { 0x1f, 0x0000 }, |
---|
594 | { 0x1f, 0x0000 }, |
---|
595 | { 0x09, 0x2000 }, |
---|
596 | { 0x09, 0x0000 } |
---|
597 | }; |
---|
598 | |
---|
599 | DBGP ( "rtl8168c_1_hw_phy_config\n" ); |
---|
600 | |
---|
601 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
602 | |
---|
603 | mdio_patch(ioaddr, 0x14, 1 << 5); |
---|
604 | mdio_patch(ioaddr, 0x0d, 1 << 5); |
---|
605 | mdio_write(ioaddr, 0x1f, 0x0000); |
---|
606 | } |
---|
607 | |
---|
608 | static void rtl8168c_2_hw_phy_config(void *ioaddr) |
---|
609 | { |
---|
610 | struct phy_reg phy_reg_init[] = { |
---|
611 | { 0x1f, 0x0001 }, |
---|
612 | { 0x12, 0x2300 }, |
---|
613 | { 0x03, 0x802f }, |
---|
614 | { 0x02, 0x4f02 }, |
---|
615 | { 0x01, 0x0409 }, |
---|
616 | { 0x00, 0xf099 }, |
---|
617 | { 0x04, 0x9800 }, |
---|
618 | { 0x04, 0x9000 }, |
---|
619 | { 0x1d, 0x3d98 }, |
---|
620 | { 0x1f, 0x0002 }, |
---|
621 | { 0x0c, 0x7eb8 }, |
---|
622 | { 0x06, 0x0761 }, |
---|
623 | { 0x1f, 0x0003 }, |
---|
624 | { 0x16, 0x0f0a }, |
---|
625 | { 0x1f, 0x0000 } |
---|
626 | }; |
---|
627 | |
---|
628 | DBGP ( "rtl8168c_2_hw_phy_config\n" ); |
---|
629 | |
---|
630 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
631 | |
---|
632 | mdio_patch(ioaddr, 0x16, 1 << 0); |
---|
633 | mdio_patch(ioaddr, 0x14, 1 << 5); |
---|
634 | mdio_patch(ioaddr, 0x0d, 1 << 5); |
---|
635 | mdio_write(ioaddr, 0x1f, 0x0000); |
---|
636 | } |
---|
637 | |
---|
638 | static void rtl8168c_3_hw_phy_config(void *ioaddr) |
---|
639 | { |
---|
640 | struct phy_reg phy_reg_init[] = { |
---|
641 | { 0x1f, 0x0001 }, |
---|
642 | { 0x12, 0x2300 }, |
---|
643 | { 0x1d, 0x3d98 }, |
---|
644 | { 0x1f, 0x0002 }, |
---|
645 | { 0x0c, 0x7eb8 }, |
---|
646 | { 0x06, 0x5461 }, |
---|
647 | { 0x1f, 0x0003 }, |
---|
648 | { 0x16, 0x0f0a }, |
---|
649 | { 0x1f, 0x0000 } |
---|
650 | }; |
---|
651 | |
---|
652 | DBGP ( "rtl8168c_3_hw_phy_config\n" ); |
---|
653 | |
---|
654 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
655 | |
---|
656 | mdio_patch(ioaddr, 0x16, 1 << 0); |
---|
657 | mdio_patch(ioaddr, 0x14, 1 << 5); |
---|
658 | mdio_patch(ioaddr, 0x0d, 1 << 5); |
---|
659 | mdio_write(ioaddr, 0x1f, 0x0000); |
---|
660 | } |
---|
661 | |
---|
662 | static void rtl8168c_4_hw_phy_config(void *ioaddr) |
---|
663 | { |
---|
664 | DBGP ( "rtl8168c_4_hw_phy_config\n" ); |
---|
665 | |
---|
666 | rtl8168c_3_hw_phy_config(ioaddr); |
---|
667 | } |
---|
668 | |
---|
669 | static void rtl8168d_hw_phy_config(void *ioaddr) |
---|
670 | { |
---|
671 | struct phy_reg phy_reg_init_0[] = { |
---|
672 | { 0x1f, 0x0001 }, |
---|
673 | { 0x09, 0x2770 }, |
---|
674 | { 0x08, 0x04d0 }, |
---|
675 | { 0x0b, 0xad15 }, |
---|
676 | { 0x0c, 0x5bf0 }, |
---|
677 | { 0x1c, 0xf101 }, |
---|
678 | { 0x1f, 0x0003 }, |
---|
679 | { 0x14, 0x94d7 }, |
---|
680 | { 0x12, 0xf4d6 }, |
---|
681 | { 0x09, 0xca0f }, |
---|
682 | { 0x1f, 0x0002 }, |
---|
683 | { 0x0b, 0x0b10 }, |
---|
684 | { 0x0c, 0xd1f7 }, |
---|
685 | { 0x1f, 0x0002 }, |
---|
686 | { 0x06, 0x5461 }, |
---|
687 | { 0x1f, 0x0002 }, |
---|
688 | { 0x05, 0x6662 }, |
---|
689 | { 0x1f, 0x0000 }, |
---|
690 | { 0x14, 0x0060 }, |
---|
691 | { 0x1f, 0x0000 }, |
---|
692 | { 0x0d, 0xf8a0 }, |
---|
693 | { 0x1f, 0x0005 }, |
---|
694 | { 0x05, 0xffc2 } |
---|
695 | }; |
---|
696 | |
---|
697 | DBGP ( "rtl8168d_hw_phy_config\n" ); |
---|
698 | |
---|
699 | rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); |
---|
700 | |
---|
701 | if (mdio_read(ioaddr, 0x06) == 0xc400) { |
---|
702 | struct phy_reg phy_reg_init_1[] = { |
---|
703 | { 0x1f, 0x0005 }, |
---|
704 | { 0x01, 0x0300 }, |
---|
705 | { 0x1f, 0x0000 }, |
---|
706 | { 0x11, 0x401c }, |
---|
707 | { 0x16, 0x4100 }, |
---|
708 | { 0x1f, 0x0005 }, |
---|
709 | { 0x07, 0x0010 }, |
---|
710 | { 0x05, 0x83dc }, |
---|
711 | { 0x06, 0x087d }, |
---|
712 | { 0x05, 0x8300 }, |
---|
713 | { 0x06, 0x0101 }, |
---|
714 | { 0x06, 0x05f8 }, |
---|
715 | { 0x06, 0xf9fa }, |
---|
716 | { 0x06, 0xfbef }, |
---|
717 | { 0x06, 0x79e2 }, |
---|
718 | { 0x06, 0x835f }, |
---|
719 | { 0x06, 0xe0f8 }, |
---|
720 | { 0x06, 0x9ae1 }, |
---|
721 | { 0x06, 0xf89b }, |
---|
722 | { 0x06, 0xef31 }, |
---|
723 | { 0x06, 0x3b65 }, |
---|
724 | { 0x06, 0xaa07 }, |
---|
725 | { 0x06, 0x81e4 }, |
---|
726 | { 0x06, 0xf89a }, |
---|
727 | { 0x06, 0xe5f8 }, |
---|
728 | { 0x06, 0x9baf }, |
---|
729 | { 0x06, 0x06ae }, |
---|
730 | { 0x05, 0x83dc }, |
---|
731 | { 0x06, 0x8300 }, |
---|
732 | }; |
---|
733 | |
---|
734 | rtl_phy_write(ioaddr, phy_reg_init_1, |
---|
735 | ARRAY_SIZE(phy_reg_init_1)); |
---|
736 | } |
---|
737 | |
---|
738 | mdio_write(ioaddr, 0x1f, 0x0000); |
---|
739 | } |
---|
740 | |
---|
741 | static void rtl8102e_hw_phy_config(void *ioaddr) |
---|
742 | { |
---|
743 | struct phy_reg phy_reg_init[] = { |
---|
744 | { 0x1f, 0x0003 }, |
---|
745 | { 0x08, 0x441d }, |
---|
746 | { 0x01, 0x9100 }, |
---|
747 | { 0x1f, 0x0000 } |
---|
748 | }; |
---|
749 | |
---|
750 | DBGP ( "rtl8102e_hw_phy_config\n" ); |
---|
751 | |
---|
752 | mdio_write(ioaddr, 0x1f, 0x0000); |
---|
753 | mdio_patch(ioaddr, 0x11, 1 << 12); |
---|
754 | mdio_patch(ioaddr, 0x19, 1 << 13); |
---|
755 | |
---|
756 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
757 | } |
---|
758 | |
---|
759 | static void rtl_hw_phy_config(struct net_device *dev) |
---|
760 | { |
---|
761 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
762 | void *ioaddr = tp->mmio_addr; |
---|
763 | |
---|
764 | DBGP ( "rtl_hw_phy_config\n" ); |
---|
765 | |
---|
766 | DBG ( "mac_version = 0x%02x\n", tp->mac_version ); |
---|
767 | |
---|
768 | switch (tp->mac_version) { |
---|
769 | case RTL_GIGA_MAC_VER_01: |
---|
770 | break; |
---|
771 | case RTL_GIGA_MAC_VER_02: |
---|
772 | case RTL_GIGA_MAC_VER_03: |
---|
773 | rtl8169s_hw_phy_config(ioaddr); |
---|
774 | break; |
---|
775 | case RTL_GIGA_MAC_VER_04: |
---|
776 | rtl8169sb_hw_phy_config(ioaddr); |
---|
777 | break; |
---|
778 | case RTL_GIGA_MAC_VER_07: |
---|
779 | case RTL_GIGA_MAC_VER_08: |
---|
780 | case RTL_GIGA_MAC_VER_09: |
---|
781 | rtl8102e_hw_phy_config(ioaddr); |
---|
782 | break; |
---|
783 | case RTL_GIGA_MAC_VER_11: |
---|
784 | rtl8168bb_hw_phy_config(ioaddr); |
---|
785 | break; |
---|
786 | case RTL_GIGA_MAC_VER_12: |
---|
787 | rtl8168bef_hw_phy_config(ioaddr); |
---|
788 | break; |
---|
789 | case RTL_GIGA_MAC_VER_17: |
---|
790 | rtl8168bef_hw_phy_config(ioaddr); |
---|
791 | break; |
---|
792 | case RTL_GIGA_MAC_VER_18: |
---|
793 | rtl8168cp_1_hw_phy_config(ioaddr); |
---|
794 | break; |
---|
795 | case RTL_GIGA_MAC_VER_19: |
---|
796 | rtl8168c_1_hw_phy_config(ioaddr); |
---|
797 | break; |
---|
798 | case RTL_GIGA_MAC_VER_20: |
---|
799 | rtl8168c_2_hw_phy_config(ioaddr); |
---|
800 | break; |
---|
801 | case RTL_GIGA_MAC_VER_21: |
---|
802 | rtl8168c_3_hw_phy_config(ioaddr); |
---|
803 | break; |
---|
804 | case RTL_GIGA_MAC_VER_22: |
---|
805 | rtl8168c_4_hw_phy_config(ioaddr); |
---|
806 | break; |
---|
807 | case RTL_GIGA_MAC_VER_23: |
---|
808 | case RTL_GIGA_MAC_VER_24: |
---|
809 | rtl8168cp_2_hw_phy_config(ioaddr); |
---|
810 | break; |
---|
811 | case RTL_GIGA_MAC_VER_25: |
---|
812 | rtl8168d_hw_phy_config(ioaddr); |
---|
813 | break; |
---|
814 | |
---|
815 | default: |
---|
816 | break; |
---|
817 | } |
---|
818 | } |
---|
819 | |
---|
820 | static void rtl8169_phy_reset(struct net_device *dev __unused, |
---|
821 | struct rtl8169_private *tp) |
---|
822 | { |
---|
823 | void *ioaddr = tp->mmio_addr; |
---|
824 | unsigned int i; |
---|
825 | |
---|
826 | DBGP ( "rtl8169_phy_reset\n" ); |
---|
827 | |
---|
828 | tp->phy_reset_enable(ioaddr); |
---|
829 | for (i = 0; i < 100; i++) { |
---|
830 | if (!tp->phy_reset_pending(ioaddr)) |
---|
831 | return; |
---|
832 | mdelay ( 1 ); |
---|
833 | } |
---|
834 | DBG ( "PHY reset failed.\n" ); |
---|
835 | } |
---|
836 | |
---|
837 | static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) |
---|
838 | { |
---|
839 | void *ioaddr = tp->mmio_addr; |
---|
840 | |
---|
841 | DBGP ( "rtl8169_init_phy\n" ); |
---|
842 | |
---|
843 | rtl_hw_phy_config(dev); |
---|
844 | |
---|
845 | if (tp->mac_version <= RTL_GIGA_MAC_VER_06) { |
---|
846 | DBG ( "Set MAC Reg C+CR Offset 0x82h = 0x01h\n" ); |
---|
847 | RTL_W8(0x82, 0x01); |
---|
848 | } |
---|
849 | |
---|
850 | pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40); |
---|
851 | |
---|
852 | if (tp->mac_version <= RTL_GIGA_MAC_VER_06) |
---|
853 | pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08); |
---|
854 | |
---|
855 | if (tp->mac_version == RTL_GIGA_MAC_VER_02) { |
---|
856 | DBG ( "Set MAC Reg C+CR Offset 0x82h = 0x01h\n" ); |
---|
857 | RTL_W8(0x82, 0x01); |
---|
858 | DBG ( "Set PHY Reg 0x0bh = 0x00h\n" ); |
---|
859 | mdio_write(ioaddr, 0x0b, 0x0000); //w 0x0b 15 0 0 |
---|
860 | } |
---|
861 | |
---|
862 | rtl8169_phy_reset(dev, tp); |
---|
863 | |
---|
864 | /* |
---|
865 | * rtl8169_set_speed_xmii takes good care of the Fast Ethernet |
---|
866 | * only 8101. Don't panic. |
---|
867 | */ |
---|
868 | rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL); |
---|
869 | |
---|
870 | if ((RTL_R8(PHYstatus) & TBI_Enable)) |
---|
871 | DBG ( "TBI auto-negotiating\n" ); |
---|
872 | } |
---|
873 | |
---|
874 | static const struct rtl_cfg_info { |
---|
875 | void (*hw_start)(struct net_device *); |
---|
876 | unsigned int region; |
---|
877 | unsigned int align; |
---|
878 | u16 intr_event; |
---|
879 | u16 napi_event; |
---|
880 | unsigned features; |
---|
881 | } rtl_cfg_infos [] = { |
---|
882 | [RTL_CFG_0] = { |
---|
883 | .hw_start = rtl_hw_start_8169, |
---|
884 | .region = 1, |
---|
885 | .align = 0, |
---|
886 | .intr_event = SYSErr | LinkChg | RxOverflow | |
---|
887 | RxFIFOOver | TxErr | TxOK | RxOK | RxErr, |
---|
888 | .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow, |
---|
889 | .features = RTL_FEATURE_GMII |
---|
890 | }, |
---|
891 | [RTL_CFG_1] = { |
---|
892 | .hw_start = rtl_hw_start_8168, |
---|
893 | .region = 2, |
---|
894 | .align = 8, |
---|
895 | .intr_event = SYSErr | LinkChg | RxOverflow | |
---|
896 | TxErr | TxOK | RxOK | RxErr, |
---|
897 | .napi_event = TxErr | TxOK | RxOK | RxOverflow, |
---|
898 | .features = RTL_FEATURE_GMII |
---|
899 | }, |
---|
900 | [RTL_CFG_2] = { |
---|
901 | .hw_start = rtl_hw_start_8101, |
---|
902 | .region = 2, |
---|
903 | .align = 8, |
---|
904 | .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout | |
---|
905 | RxFIFOOver | TxErr | TxOK | RxOK | RxErr, |
---|
906 | .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow, |
---|
907 | } |
---|
908 | }; |
---|
909 | |
---|
910 | static void rtl8169_hw_reset(void *ioaddr) |
---|
911 | { |
---|
912 | DBGP ( "rtl8169_hw_reset\n" ); |
---|
913 | |
---|
914 | /* Disable interrupts */ |
---|
915 | rtl8169_irq_mask_and_ack(ioaddr); |
---|
916 | |
---|
917 | /* Reset the chipset */ |
---|
918 | RTL_W8(ChipCmd, CmdReset); |
---|
919 | |
---|
920 | /* PCI commit */ |
---|
921 | RTL_R8(ChipCmd); |
---|
922 | } |
---|
923 | |
---|
924 | static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp) |
---|
925 | { |
---|
926 | void *ioaddr = tp->mmio_addr; |
---|
927 | u32 cfg = rtl8169_rx_config; |
---|
928 | |
---|
929 | DBGP ( "rtl_set_rx_tx_config_registers\n" ); |
---|
930 | |
---|
931 | cfg |= (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask); |
---|
932 | RTL_W32(RxConfig, cfg); |
---|
933 | |
---|
934 | /* Set DMA burst size and Interframe Gap Time */ |
---|
935 | RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | |
---|
936 | (InterFrameGap << TxInterFrameGapShift)); |
---|
937 | } |
---|
938 | |
---|
939 | static void rtl_soft_reset ( struct net_device *dev ) |
---|
940 | { |
---|
941 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
942 | void *ioaddr = tp->mmio_addr; |
---|
943 | unsigned int i; |
---|
944 | |
---|
945 | DBGP ( "rtl_hw_soft_reset\n" ); |
---|
946 | |
---|
947 | /* Soft reset the chip. */ |
---|
948 | RTL_W8(ChipCmd, CmdReset); |
---|
949 | |
---|
950 | /* Check that the chip has finished the reset. */ |
---|
951 | for (i = 0; i < 100; i++) { |
---|
952 | if ((RTL_R8(ChipCmd) & CmdReset) == 0) |
---|
953 | break; |
---|
954 | mdelay ( 1 ); |
---|
955 | } |
---|
956 | |
---|
957 | if ( i == 100 ) { |
---|
958 | DBG ( "Reset Failed! (> 100 iterations)\n" ); |
---|
959 | } |
---|
960 | } |
---|
961 | |
---|
962 | static void rtl_hw_start ( struct net_device *dev ) |
---|
963 | { |
---|
964 | struct rtl8169_private *tp = netdev_priv ( dev ); |
---|
965 | |
---|
966 | DBGP ( "rtl_hw_start\n" ); |
---|
967 | |
---|
968 | /* Soft reset NIC */ |
---|
969 | rtl_soft_reset ( dev ); |
---|
970 | |
---|
971 | tp->hw_start ( dev ); |
---|
972 | } |
---|
973 | |
---|
974 | static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp, |
---|
975 | void *ioaddr) |
---|
976 | { |
---|
977 | DBGP ( "rtl_set_rx_tx_desc_registers\n" ); |
---|
978 | |
---|
979 | /* |
---|
980 | * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh |
---|
981 | * register to be written before TxDescAddrLow to work. |
---|
982 | * Switching from MMIO to I/O access fixes the issue as well. |
---|
983 | */ |
---|
984 | RTL_W32 ( TxDescStartAddrHigh, 0 ); |
---|
985 | RTL_W32 ( TxDescStartAddrLow, virt_to_bus ( tp->tx_base ) ); |
---|
986 | RTL_W32 ( RxDescAddrHigh, 0 ); |
---|
987 | RTL_W32 ( RxDescAddrLow, virt_to_bus ( tp->rx_base ) ); |
---|
988 | } |
---|
989 | |
---|
990 | static u16 rtl_rw_cpluscmd(void *ioaddr) |
---|
991 | { |
---|
992 | u16 cmd; |
---|
993 | |
---|
994 | DBGP ( "rtl_rw_cpluscmd\n" ); |
---|
995 | |
---|
996 | cmd = RTL_R16(CPlusCmd); |
---|
997 | RTL_W16(CPlusCmd, cmd); |
---|
998 | return cmd; |
---|
999 | } |
---|
1000 | |
---|
1001 | static void rtl_set_rx_max_size(void *ioaddr) |
---|
1002 | { |
---|
1003 | DBGP ( "rtl_set_rx_max_size\n" ); |
---|
1004 | |
---|
1005 | RTL_W16 ( RxMaxSize, RX_BUF_SIZE ); |
---|
1006 | } |
---|
1007 | |
---|
1008 | static void rtl8169_set_magic_reg(void *ioaddr, unsigned mac_version) |
---|
1009 | { |
---|
1010 | struct { |
---|
1011 | u32 mac_version; |
---|
1012 | u32 clk; |
---|
1013 | u32 val; |
---|
1014 | } cfg2_info [] = { |
---|
1015 | { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd |
---|
1016 | { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff }, |
---|
1017 | { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe |
---|
1018 | { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff } |
---|
1019 | }, *p = cfg2_info; |
---|
1020 | unsigned int i; |
---|
1021 | u32 clk; |
---|
1022 | |
---|
1023 | DBGP ( "rtl8169_set_magic_reg\n" ); |
---|
1024 | |
---|
1025 | clk = RTL_R8(Config2) & PCI_Clock_66MHz; |
---|
1026 | for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) { |
---|
1027 | if ((p->mac_version == mac_version) && (p->clk == clk)) { |
---|
1028 | RTL_W32(0x7c, p->val); |
---|
1029 | break; |
---|
1030 | } |
---|
1031 | } |
---|
1032 | } |
---|
1033 | |
---|
1034 | static void rtl_set_rx_mode ( struct net_device *netdev ) |
---|
1035 | { |
---|
1036 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
1037 | void *ioaddr = tp->mmio_addr; |
---|
1038 | u32 tmp; |
---|
1039 | |
---|
1040 | DBGP ( "rtl_set_rx_mode\n" ); |
---|
1041 | |
---|
1042 | /* Accept all Multicast Packets */ |
---|
1043 | |
---|
1044 | RTL_W32 ( MAR0 + 0, 0xffffffff ); |
---|
1045 | RTL_W32 ( MAR0 + 4, 0xffffffff ); |
---|
1046 | |
---|
1047 | tmp = rtl8169_rx_config | AcceptBroadcast | AcceptMulticast | AcceptMyPhys | |
---|
1048 | ( RTL_R32 ( RxConfig ) & rtl_chip_info[tp->chipset].RxConfigMask ); |
---|
1049 | |
---|
1050 | RTL_W32 ( RxConfig, tmp ); |
---|
1051 | } |
---|
1052 | |
---|
1053 | static void rtl_hw_start_8169(struct net_device *dev) |
---|
1054 | { |
---|
1055 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
1056 | void *ioaddr = tp->mmio_addr; |
---|
1057 | struct pci_device *pdev = tp->pci_dev; |
---|
1058 | |
---|
1059 | DBGP ( "rtl_hw_start_8169\n" ); |
---|
1060 | |
---|
1061 | if (tp->mac_version == RTL_GIGA_MAC_VER_05) { |
---|
1062 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW); |
---|
1063 | pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08); |
---|
1064 | } |
---|
1065 | |
---|
1066 | RTL_W8(Cfg9346, Cfg9346_Unlock); |
---|
1067 | |
---|
1068 | if ((tp->mac_version == RTL_GIGA_MAC_VER_01) || |
---|
1069 | (tp->mac_version == RTL_GIGA_MAC_VER_02) || |
---|
1070 | (tp->mac_version == RTL_GIGA_MAC_VER_03) || |
---|
1071 | (tp->mac_version == RTL_GIGA_MAC_VER_04)) |
---|
1072 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
---|
1073 | |
---|
1074 | RTL_W8(EarlyTxThres, EarlyTxThld); |
---|
1075 | |
---|
1076 | rtl_set_rx_max_size(ioaddr); |
---|
1077 | |
---|
1078 | if ((tp->mac_version == RTL_GIGA_MAC_VER_01) || |
---|
1079 | (tp->mac_version == RTL_GIGA_MAC_VER_02) || |
---|
1080 | (tp->mac_version == RTL_GIGA_MAC_VER_03) || |
---|
1081 | (tp->mac_version == RTL_GIGA_MAC_VER_04)) |
---|
1082 | rtl_set_rx_tx_config_registers(tp); |
---|
1083 | |
---|
1084 | tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW; |
---|
1085 | |
---|
1086 | if ((tp->mac_version == RTL_GIGA_MAC_VER_02) || |
---|
1087 | (tp->mac_version == RTL_GIGA_MAC_VER_03)) { |
---|
1088 | DBG ( "Set MAC Reg C+CR Offset 0xE0. " |
---|
1089 | "Bit-3 and bit-14 MUST be 1\n" ); |
---|
1090 | tp->cp_cmd |= (1 << 14); |
---|
1091 | } |
---|
1092 | |
---|
1093 | RTL_W16(CPlusCmd, tp->cp_cmd); |
---|
1094 | |
---|
1095 | rtl8169_set_magic_reg(ioaddr, tp->mac_version); |
---|
1096 | |
---|
1097 | /* |
---|
1098 | * Undocumented corner. Supposedly: |
---|
1099 | * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets |
---|
1100 | */ |
---|
1101 | RTL_W16(IntrMitigate, 0x0000); |
---|
1102 | |
---|
1103 | rtl_set_rx_tx_desc_registers(tp, ioaddr); |
---|
1104 | |
---|
1105 | if ((tp->mac_version != RTL_GIGA_MAC_VER_01) && |
---|
1106 | (tp->mac_version != RTL_GIGA_MAC_VER_02) && |
---|
1107 | (tp->mac_version != RTL_GIGA_MAC_VER_03) && |
---|
1108 | (tp->mac_version != RTL_GIGA_MAC_VER_04)) { |
---|
1109 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
---|
1110 | rtl_set_rx_tx_config_registers(tp); |
---|
1111 | } |
---|
1112 | |
---|
1113 | RTL_W8(Cfg9346, Cfg9346_Lock); |
---|
1114 | |
---|
1115 | /* Initially a 10 us delay. Turned it into a PCI commit. - FR */ |
---|
1116 | RTL_R8(IntrMask); |
---|
1117 | |
---|
1118 | RTL_W32(RxMissed, 0); |
---|
1119 | |
---|
1120 | rtl_set_rx_mode(dev); |
---|
1121 | |
---|
1122 | /* no early-rx interrupts */ |
---|
1123 | RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000); |
---|
1124 | |
---|
1125 | // RTL_W16(IntrMask, tp->intr_event); |
---|
1126 | } |
---|
1127 | |
---|
1128 | static void rtl_tx_performance_tweak(struct pci_device *pdev, u16 force) |
---|
1129 | { |
---|
1130 | struct net_device *dev = pci_get_drvdata(pdev); |
---|
1131 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
1132 | int cap = tp->pcie_cap; |
---|
1133 | |
---|
1134 | DBGP ( "rtl_tx_performance_tweak\n" ); |
---|
1135 | |
---|
1136 | if (cap) { |
---|
1137 | u16 ctl; |
---|
1138 | |
---|
1139 | pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl); |
---|
1140 | ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force; |
---|
1141 | pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl); |
---|
1142 | } |
---|
1143 | } |
---|
1144 | |
---|
1145 | static void rtl_csi_access_enable(void *ioaddr) |
---|
1146 | { |
---|
1147 | u32 csi; |
---|
1148 | |
---|
1149 | DBGP ( "rtl_csi_access_enable\n" ); |
---|
1150 | |
---|
1151 | csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff; |
---|
1152 | rtl_csi_write(ioaddr, 0x070c, csi | 0x27000000); |
---|
1153 | } |
---|
1154 | |
---|
1155 | struct ephy_info { |
---|
1156 | unsigned int offset; |
---|
1157 | u16 mask; |
---|
1158 | u16 bits; |
---|
1159 | }; |
---|
1160 | |
---|
1161 | static void rtl_ephy_init(void *ioaddr, struct ephy_info *e, int len) |
---|
1162 | { |
---|
1163 | u16 w; |
---|
1164 | |
---|
1165 | DBGP ( "rtl_ephy_init\n" ); |
---|
1166 | |
---|
1167 | while (len-- > 0) { |
---|
1168 | w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits; |
---|
1169 | rtl_ephy_write(ioaddr, e->offset, w); |
---|
1170 | e++; |
---|
1171 | } |
---|
1172 | } |
---|
1173 | |
---|
1174 | static void rtl_disable_clock_request(struct pci_device *pdev) |
---|
1175 | { |
---|
1176 | struct net_device *dev = pci_get_drvdata(pdev); |
---|
1177 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
1178 | int cap = tp->pcie_cap; |
---|
1179 | |
---|
1180 | DBGP ( "rtl_disable_clock_request\n" ); |
---|
1181 | |
---|
1182 | if (cap) { |
---|
1183 | u16 ctl; |
---|
1184 | |
---|
1185 | pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl); |
---|
1186 | ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN; |
---|
1187 | pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl); |
---|
1188 | } |
---|
1189 | } |
---|
1190 | |
---|
1191 | #define R8168_CPCMD_QUIRK_MASK (\ |
---|
1192 | EnableBist | \ |
---|
1193 | Mac_dbgo_oe | \ |
---|
1194 | Force_half_dup | \ |
---|
1195 | Force_rxflow_en | \ |
---|
1196 | Force_txflow_en | \ |
---|
1197 | Cxpl_dbg_sel | \ |
---|
1198 | ASF | \ |
---|
1199 | PktCntrDisable | \ |
---|
1200 | Mac_dbgo_sel) |
---|
1201 | |
---|
1202 | static void rtl_hw_start_8168bb(void *ioaddr, struct pci_device *pdev) |
---|
1203 | { |
---|
1204 | DBGP ( "rtl_hw_start_8168bb\n" ); |
---|
1205 | |
---|
1206 | RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); |
---|
1207 | |
---|
1208 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); |
---|
1209 | |
---|
1210 | rtl_tx_performance_tweak(pdev, |
---|
1211 | (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN); |
---|
1212 | } |
---|
1213 | |
---|
1214 | static void rtl_hw_start_8168bef(void *ioaddr, struct pci_device *pdev) |
---|
1215 | { |
---|
1216 | DBGP ( "rtl_hw_start_8168bef\n" ); |
---|
1217 | |
---|
1218 | rtl_hw_start_8168bb(ioaddr, pdev); |
---|
1219 | |
---|
1220 | RTL_W8(EarlyTxThres, EarlyTxThld); |
---|
1221 | |
---|
1222 | RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0)); |
---|
1223 | } |
---|
1224 | |
---|
1225 | static void __rtl_hw_start_8168cp(void *ioaddr, struct pci_device *pdev) |
---|
1226 | { |
---|
1227 | DBGP ( "__rtl_hw_start_8168cp\n" ); |
---|
1228 | |
---|
1229 | RTL_W8(Config1, RTL_R8(Config1) | Speed_down); |
---|
1230 | |
---|
1231 | RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); |
---|
1232 | |
---|
1233 | rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); |
---|
1234 | |
---|
1235 | rtl_disable_clock_request(pdev); |
---|
1236 | |
---|
1237 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); |
---|
1238 | } |
---|
1239 | |
---|
1240 | static void rtl_hw_start_8168cp_1(void *ioaddr, struct pci_device *pdev) |
---|
1241 | { |
---|
1242 | static struct ephy_info e_info_8168cp[] = { |
---|
1243 | { 0x01, 0, 0x0001 }, |
---|
1244 | { 0x02, 0x0800, 0x1000 }, |
---|
1245 | { 0x03, 0, 0x0042 }, |
---|
1246 | { 0x06, 0x0080, 0x0000 }, |
---|
1247 | { 0x07, 0, 0x2000 } |
---|
1248 | }; |
---|
1249 | |
---|
1250 | DBGP ( "rtl_hw_start_8168cp_1\n" ); |
---|
1251 | |
---|
1252 | rtl_csi_access_enable(ioaddr); |
---|
1253 | |
---|
1254 | rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp)); |
---|
1255 | |
---|
1256 | __rtl_hw_start_8168cp(ioaddr, pdev); |
---|
1257 | } |
---|
1258 | |
---|
1259 | static void rtl_hw_start_8168cp_2(void *ioaddr, struct pci_device *pdev) |
---|
1260 | { |
---|
1261 | DBGP ( "rtl_hw_start_8168cp_2\n" ); |
---|
1262 | |
---|
1263 | rtl_csi_access_enable(ioaddr); |
---|
1264 | |
---|
1265 | RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); |
---|
1266 | |
---|
1267 | rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); |
---|
1268 | |
---|
1269 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); |
---|
1270 | } |
---|
1271 | |
---|
1272 | static void rtl_hw_start_8168cp_3(void *ioaddr, struct pci_device *pdev) |
---|
1273 | { |
---|
1274 | DBGP ( "rtl_hw_start_8168cp_3\n" ); |
---|
1275 | |
---|
1276 | rtl_csi_access_enable(ioaddr); |
---|
1277 | |
---|
1278 | RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); |
---|
1279 | |
---|
1280 | /* Magic. */ |
---|
1281 | RTL_W8(DBG_REG, 0x20); |
---|
1282 | |
---|
1283 | RTL_W8(EarlyTxThres, EarlyTxThld); |
---|
1284 | |
---|
1285 | rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); |
---|
1286 | |
---|
1287 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); |
---|
1288 | } |
---|
1289 | |
---|
1290 | static void rtl_hw_start_8168c_1(void *ioaddr, struct pci_device *pdev) |
---|
1291 | { |
---|
1292 | static struct ephy_info e_info_8168c_1[] = { |
---|
1293 | { 0x02, 0x0800, 0x1000 }, |
---|
1294 | { 0x03, 0, 0x0002 }, |
---|
1295 | { 0x06, 0x0080, 0x0000 } |
---|
1296 | }; |
---|
1297 | |
---|
1298 | DBGP ( "rtl_hw_start_8168c_1\n" ); |
---|
1299 | |
---|
1300 | rtl_csi_access_enable(ioaddr); |
---|
1301 | |
---|
1302 | RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2); |
---|
1303 | |
---|
1304 | rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1)); |
---|
1305 | |
---|
1306 | __rtl_hw_start_8168cp(ioaddr, pdev); |
---|
1307 | } |
---|
1308 | |
---|
1309 | static void rtl_hw_start_8168c_2(void *ioaddr, struct pci_device *pdev) |
---|
1310 | { |
---|
1311 | static struct ephy_info e_info_8168c_2[] = { |
---|
1312 | { 0x01, 0, 0x0001 }, |
---|
1313 | { 0x03, 0x0400, 0x0220 } |
---|
1314 | }; |
---|
1315 | |
---|
1316 | DBGP ( "rtl_hw_start_8168c_2\n" ); |
---|
1317 | |
---|
1318 | rtl_csi_access_enable(ioaddr); |
---|
1319 | |
---|
1320 | rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2)); |
---|
1321 | |
---|
1322 | __rtl_hw_start_8168cp(ioaddr, pdev); |
---|
1323 | } |
---|
1324 | |
---|
1325 | static void rtl_hw_start_8168c_3(void *ioaddr, struct pci_device *pdev) |
---|
1326 | { |
---|
1327 | DBGP ( "rtl_hw_start_8168c_3\n" ); |
---|
1328 | |
---|
1329 | rtl_hw_start_8168c_2(ioaddr, pdev); |
---|
1330 | } |
---|
1331 | |
---|
1332 | static void rtl_hw_start_8168c_4(void *ioaddr, struct pci_device *pdev) |
---|
1333 | { |
---|
1334 | DBGP ( "rtl_hw_start_8168c_4\n" ); |
---|
1335 | |
---|
1336 | rtl_csi_access_enable(ioaddr); |
---|
1337 | |
---|
1338 | __rtl_hw_start_8168cp(ioaddr, pdev); |
---|
1339 | } |
---|
1340 | |
---|
1341 | static void rtl_hw_start_8168d(void *ioaddr, struct pci_device *pdev) |
---|
1342 | { |
---|
1343 | DBGP ( "rtl_hw_start_8168d\n" ); |
---|
1344 | |
---|
1345 | rtl_csi_access_enable(ioaddr); |
---|
1346 | |
---|
1347 | rtl_disable_clock_request(pdev); |
---|
1348 | |
---|
1349 | RTL_W8(EarlyTxThres, EarlyTxThld); |
---|
1350 | |
---|
1351 | rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); |
---|
1352 | |
---|
1353 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); |
---|
1354 | } |
---|
1355 | |
---|
1356 | static void rtl_hw_start_8168(struct net_device *dev) |
---|
1357 | { |
---|
1358 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
1359 | void *ioaddr = tp->mmio_addr; |
---|
1360 | struct pci_device *pdev = tp->pci_dev; |
---|
1361 | |
---|
1362 | DBGP ( "rtl_hw_start_8168\n" ); |
---|
1363 | |
---|
1364 | RTL_W8(Cfg9346, Cfg9346_Unlock); |
---|
1365 | |
---|
1366 | RTL_W8(EarlyTxThres, EarlyTxThld); |
---|
1367 | |
---|
1368 | rtl_set_rx_max_size(ioaddr); |
---|
1369 | |
---|
1370 | tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1; |
---|
1371 | |
---|
1372 | RTL_W16(CPlusCmd, tp->cp_cmd); |
---|
1373 | |
---|
1374 | RTL_W16(IntrMitigate, 0x5151); |
---|
1375 | |
---|
1376 | /* Work around for RxFIFO overflow. */ |
---|
1377 | if (tp->mac_version == RTL_GIGA_MAC_VER_11) { |
---|
1378 | tp->intr_event |= RxFIFOOver | PCSTimeout; |
---|
1379 | tp->intr_event &= ~RxOverflow; |
---|
1380 | } |
---|
1381 | |
---|
1382 | rtl_set_rx_tx_desc_registers(tp, ioaddr); |
---|
1383 | |
---|
1384 | rtl_set_rx_mode(dev); |
---|
1385 | |
---|
1386 | RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | |
---|
1387 | (InterFrameGap << TxInterFrameGapShift)); |
---|
1388 | |
---|
1389 | RTL_R8(IntrMask); |
---|
1390 | |
---|
1391 | switch (tp->mac_version) { |
---|
1392 | case RTL_GIGA_MAC_VER_11: |
---|
1393 | rtl_hw_start_8168bb(ioaddr, pdev); |
---|
1394 | break; |
---|
1395 | |
---|
1396 | case RTL_GIGA_MAC_VER_12: |
---|
1397 | case RTL_GIGA_MAC_VER_17: |
---|
1398 | rtl_hw_start_8168bef(ioaddr, pdev); |
---|
1399 | break; |
---|
1400 | |
---|
1401 | case RTL_GIGA_MAC_VER_18: |
---|
1402 | rtl_hw_start_8168cp_1(ioaddr, pdev); |
---|
1403 | break; |
---|
1404 | |
---|
1405 | case RTL_GIGA_MAC_VER_19: |
---|
1406 | rtl_hw_start_8168c_1(ioaddr, pdev); |
---|
1407 | break; |
---|
1408 | |
---|
1409 | case RTL_GIGA_MAC_VER_20: |
---|
1410 | rtl_hw_start_8168c_2(ioaddr, pdev); |
---|
1411 | break; |
---|
1412 | |
---|
1413 | case RTL_GIGA_MAC_VER_21: |
---|
1414 | rtl_hw_start_8168c_3(ioaddr, pdev); |
---|
1415 | break; |
---|
1416 | |
---|
1417 | case RTL_GIGA_MAC_VER_22: |
---|
1418 | rtl_hw_start_8168c_4(ioaddr, pdev); |
---|
1419 | break; |
---|
1420 | |
---|
1421 | case RTL_GIGA_MAC_VER_23: |
---|
1422 | rtl_hw_start_8168cp_2(ioaddr, pdev); |
---|
1423 | break; |
---|
1424 | |
---|
1425 | case RTL_GIGA_MAC_VER_24: |
---|
1426 | rtl_hw_start_8168cp_3(ioaddr, pdev); |
---|
1427 | break; |
---|
1428 | |
---|
1429 | case RTL_GIGA_MAC_VER_25: |
---|
1430 | rtl_hw_start_8168d(ioaddr, pdev); |
---|
1431 | break; |
---|
1432 | |
---|
1433 | default: |
---|
1434 | DBG ( "Unknown chipset (mac_version = %d).\n", |
---|
1435 | tp->mac_version ); |
---|
1436 | break; |
---|
1437 | } |
---|
1438 | |
---|
1439 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
---|
1440 | |
---|
1441 | RTL_W8(Cfg9346, Cfg9346_Lock); |
---|
1442 | |
---|
1443 | RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000); |
---|
1444 | |
---|
1445 | // RTL_W16(IntrMask, tp->intr_event); |
---|
1446 | } |
---|
1447 | |
---|
1448 | #define R810X_CPCMD_QUIRK_MASK (\ |
---|
1449 | EnableBist | \ |
---|
1450 | Mac_dbgo_oe | \ |
---|
1451 | Force_half_dup | \ |
---|
1452 | Force_half_dup | \ |
---|
1453 | Force_txflow_en | \ |
---|
1454 | Cxpl_dbg_sel | \ |
---|
1455 | ASF | \ |
---|
1456 | PktCntrDisable | \ |
---|
1457 | PCIDAC | \ |
---|
1458 | PCIMulRW) |
---|
1459 | |
---|
1460 | static void rtl_hw_start_8102e_1(void *ioaddr, struct pci_device *pdev) |
---|
1461 | { |
---|
1462 | static struct ephy_info e_info_8102e_1[] = { |
---|
1463 | { 0x01, 0, 0x6e65 }, |
---|
1464 | { 0x02, 0, 0x091f }, |
---|
1465 | { 0x03, 0, 0xc2f9 }, |
---|
1466 | { 0x06, 0, 0xafb5 }, |
---|
1467 | { 0x07, 0, 0x0e00 }, |
---|
1468 | { 0x19, 0, 0xec80 }, |
---|
1469 | { 0x01, 0, 0x2e65 }, |
---|
1470 | { 0x01, 0, 0x6e65 } |
---|
1471 | }; |
---|
1472 | u8 cfg1; |
---|
1473 | |
---|
1474 | DBGP ( "rtl_hw_start_8102e_1\n" ); |
---|
1475 | |
---|
1476 | rtl_csi_access_enable(ioaddr); |
---|
1477 | |
---|
1478 | RTL_W8(DBG_REG, FIX_NAK_1); |
---|
1479 | |
---|
1480 | rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); |
---|
1481 | |
---|
1482 | RTL_W8(Config1, |
---|
1483 | LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable); |
---|
1484 | RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); |
---|
1485 | |
---|
1486 | cfg1 = RTL_R8(Config1); |
---|
1487 | if ((cfg1 & LEDS0) && (cfg1 & LEDS1)) |
---|
1488 | RTL_W8(Config1, cfg1 & ~LEDS0); |
---|
1489 | |
---|
1490 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK); |
---|
1491 | |
---|
1492 | rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1)); |
---|
1493 | } |
---|
1494 | |
---|
1495 | static void rtl_hw_start_8102e_2(void *ioaddr, struct pci_device *pdev) |
---|
1496 | { |
---|
1497 | DBGP ( "rtl_hw_start_8102e_2\n" ); |
---|
1498 | |
---|
1499 | rtl_csi_access_enable(ioaddr); |
---|
1500 | |
---|
1501 | rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); |
---|
1502 | |
---|
1503 | RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable); |
---|
1504 | RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); |
---|
1505 | |
---|
1506 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK); |
---|
1507 | } |
---|
1508 | |
---|
1509 | static void rtl_hw_start_8102e_3(void *ioaddr, struct pci_device *pdev) |
---|
1510 | { |
---|
1511 | DBGP ( "rtl_hw_start_8102e_3\n" ); |
---|
1512 | |
---|
1513 | rtl_hw_start_8102e_2(ioaddr, pdev); |
---|
1514 | |
---|
1515 | rtl_ephy_write(ioaddr, 0x03, 0xc2f9); |
---|
1516 | } |
---|
1517 | |
---|
1518 | static void rtl_hw_start_8101(struct net_device *dev) |
---|
1519 | { |
---|
1520 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
1521 | void *ioaddr = tp->mmio_addr; |
---|
1522 | struct pci_device *pdev = tp->pci_dev; |
---|
1523 | |
---|
1524 | DBGP ( "rtl_hw_start_8101\n" ); |
---|
1525 | |
---|
1526 | if ((tp->mac_version == RTL_GIGA_MAC_VER_13) || |
---|
1527 | (tp->mac_version == RTL_GIGA_MAC_VER_16)) { |
---|
1528 | int cap = tp->pcie_cap; |
---|
1529 | |
---|
1530 | if (cap) { |
---|
1531 | pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, |
---|
1532 | PCI_EXP_DEVCTL_NOSNOOP_EN); |
---|
1533 | } |
---|
1534 | } |
---|
1535 | |
---|
1536 | switch (tp->mac_version) { |
---|
1537 | case RTL_GIGA_MAC_VER_07: |
---|
1538 | rtl_hw_start_8102e_1(ioaddr, pdev); |
---|
1539 | break; |
---|
1540 | |
---|
1541 | case RTL_GIGA_MAC_VER_08: |
---|
1542 | rtl_hw_start_8102e_3(ioaddr, pdev); |
---|
1543 | break; |
---|
1544 | |
---|
1545 | case RTL_GIGA_MAC_VER_09: |
---|
1546 | rtl_hw_start_8102e_2(ioaddr, pdev); |
---|
1547 | break; |
---|
1548 | } |
---|
1549 | |
---|
1550 | RTL_W8(Cfg9346, Cfg9346_Unlock); |
---|
1551 | |
---|
1552 | RTL_W8(EarlyTxThres, EarlyTxThld); |
---|
1553 | |
---|
1554 | rtl_set_rx_max_size(ioaddr); |
---|
1555 | |
---|
1556 | tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW; |
---|
1557 | |
---|
1558 | RTL_W16(CPlusCmd, tp->cp_cmd); |
---|
1559 | |
---|
1560 | RTL_W16(IntrMitigate, 0x0000); |
---|
1561 | |
---|
1562 | rtl_set_rx_tx_desc_registers(tp, ioaddr); |
---|
1563 | |
---|
1564 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
---|
1565 | rtl_set_rx_tx_config_registers(tp); |
---|
1566 | |
---|
1567 | RTL_W8(Cfg9346, Cfg9346_Lock); |
---|
1568 | |
---|
1569 | RTL_R8(IntrMask); |
---|
1570 | |
---|
1571 | rtl_set_rx_mode(dev); |
---|
1572 | |
---|
1573 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
---|
1574 | |
---|
1575 | RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000); |
---|
1576 | |
---|
1577 | // RTL_W16(IntrMask, tp->intr_event); |
---|
1578 | } |
---|
1579 | |
---|
1580 | /*** gPXE API Support Routines ***/ |
---|
1581 | |
---|
1582 | /** |
---|
1583 | * setup_tx_resources - allocate tx resources (descriptors) |
---|
1584 | * |
---|
1585 | * @v tp Driver private storage |
---|
1586 | * |
---|
1587 | * @ret rc Returns 0 on success, negative on failure |
---|
1588 | **/ |
---|
1589 | static int |
---|
1590 | rtl8169_setup_tx_resources ( struct rtl8169_private *tp ) |
---|
1591 | { |
---|
1592 | DBGP ( "rtl8169_setup_tx_resources\n" ); |
---|
1593 | |
---|
1594 | tp->tx_base = malloc_dma ( R8169_TX_RING_BYTES, TX_RING_ALIGN ); |
---|
1595 | |
---|
1596 | if ( ! tp->tx_base ) { |
---|
1597 | return -ENOMEM; |
---|
1598 | } |
---|
1599 | |
---|
1600 | memset ( tp->tx_base, 0, R8169_TX_RING_BYTES ); |
---|
1601 | |
---|
1602 | DBG ( "tp->tx_base = %#08lx\n", virt_to_bus ( tp->tx_base ) ); |
---|
1603 | |
---|
1604 | tp->tx_fill_ctr = 0; |
---|
1605 | tp->tx_curr = 0; |
---|
1606 | tp->tx_tail = 0; |
---|
1607 | |
---|
1608 | return 0; |
---|
1609 | } |
---|
1610 | |
---|
1611 | static void |
---|
1612 | rtl8169_process_tx_packets ( struct net_device *netdev ) |
---|
1613 | { |
---|
1614 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
1615 | |
---|
1616 | uint32_t tx_status; |
---|
1617 | struct TxDesc *tx_curr_desc; |
---|
1618 | |
---|
1619 | DBGP ( "rtl8169_process_tx_packets\n" ); |
---|
1620 | |
---|
1621 | while ( tp->tx_tail != tp->tx_curr ) { |
---|
1622 | |
---|
1623 | tx_curr_desc = tp->tx_base + tp->tx_tail; |
---|
1624 | |
---|
1625 | tx_status = tx_curr_desc->opts1; |
---|
1626 | |
---|
1627 | DBG2 ( "Before DescOwn check tx_status: %#08x\n", tx_status ); |
---|
1628 | |
---|
1629 | /* if the packet at tx_tail is not owned by hardware it is for us */ |
---|
1630 | if ( tx_status & DescOwn ) |
---|
1631 | break; |
---|
1632 | |
---|
1633 | DBG ( "Transmitted packet.\n" ); |
---|
1634 | DBG ( "tp->tx_fill_ctr = %d\n", tp->tx_fill_ctr ); |
---|
1635 | DBG ( "tp->tx_tail = %d\n", tp->tx_tail ); |
---|
1636 | DBG ( "tp->tx_curr = %d\n", tp->tx_curr ); |
---|
1637 | DBG ( "tx_status = %d\n", tx_status ); |
---|
1638 | DBG ( "tx_curr_desc = %#08lx\n", virt_to_bus ( tx_curr_desc ) ); |
---|
1639 | |
---|
1640 | /* Pass packet to core for processing */ |
---|
1641 | netdev_tx_complete ( netdev, tp->tx_iobuf[tp->tx_tail] ); |
---|
1642 | |
---|
1643 | memset ( tx_curr_desc, 0, sizeof ( *tx_curr_desc ) ); |
---|
1644 | |
---|
1645 | /* Decrement count of used descriptors */ |
---|
1646 | tp->tx_fill_ctr--; |
---|
1647 | |
---|
1648 | /* Increment sent packets index */ |
---|
1649 | tp->tx_tail = ( tp->tx_tail + 1 ) % NUM_TX_DESC; |
---|
1650 | } |
---|
1651 | } |
---|
1652 | |
---|
1653 | static void |
---|
1654 | rtl8169_free_tx_resources ( struct rtl8169_private *tp ) |
---|
1655 | { |
---|
1656 | DBGP ( "rtl8169_free_tx_resources\n" ); |
---|
1657 | |
---|
1658 | free_dma ( tp->tx_base, R8169_TX_RING_BYTES ); |
---|
1659 | } |
---|
1660 | |
---|
1661 | static void |
---|
1662 | rtl8169_populate_rx_descriptor ( struct rtl8169_private *tp, struct RxDesc *rx_desc, uint32_t index ) |
---|
1663 | { |
---|
1664 | DBGP ( "rtl8169_populate_rx_descriptor\n" ); |
---|
1665 | |
---|
1666 | DBG ( "Populating rx descriptor %d\n", index ); |
---|
1667 | |
---|
1668 | memset ( rx_desc, 0, sizeof ( *rx_desc ) ); |
---|
1669 | |
---|
1670 | rx_desc->addr_hi = 0; |
---|
1671 | rx_desc->addr_lo = virt_to_bus ( tp->rx_iobuf[index]->data ); |
---|
1672 | rx_desc->opts2 = 0; |
---|
1673 | rx_desc->opts1 = ( index == ( NUM_RX_DESC - 1 ) ? RingEnd : 0 ) | |
---|
1674 | RX_BUF_SIZE; |
---|
1675 | rx_desc->opts1 |= DescOwn; |
---|
1676 | } |
---|
1677 | |
---|
1678 | /** |
---|
1679 | * Refill descriptor ring |
---|
1680 | * |
---|
1681 | * @v netdev Net device |
---|
1682 | */ |
---|
1683 | static void rtl8169_refill_rx_ring ( struct rtl8169_private *tp ) |
---|
1684 | { |
---|
1685 | struct RxDesc *rx_curr_desc; |
---|
1686 | int i; |
---|
1687 | |
---|
1688 | DBGP ( "rtl8169_refill_rx_ring\n" ); |
---|
1689 | |
---|
1690 | for ( i = 0; i < NUM_RX_DESC; i++ ) { |
---|
1691 | |
---|
1692 | rx_curr_desc = ( tp->rx_base ) + i; |
---|
1693 | |
---|
1694 | /* Don't touch descriptors owned by the NIC */ |
---|
1695 | if ( rx_curr_desc->opts1 & DescOwn ) |
---|
1696 | continue; |
---|
1697 | |
---|
1698 | /* Don't touch descriptors with iobufs, they still need to be |
---|
1699 | processed by the poll routine */ |
---|
1700 | if ( tp->rx_iobuf[tp->rx_curr] != NULL ) |
---|
1701 | continue; |
---|
1702 | |
---|
1703 | /** If we can't get an iobuf for this descriptor |
---|
1704 | try again later (next poll). |
---|
1705 | */ |
---|
1706 | if ( ! ( tp->rx_iobuf[i] = alloc_iob ( RX_BUF_SIZE ) ) ) { |
---|
1707 | DBG ( "Refill rx ring failed!!\n" ); |
---|
1708 | break; |
---|
1709 | } |
---|
1710 | |
---|
1711 | rtl8169_populate_rx_descriptor ( tp, rx_curr_desc, i ); |
---|
1712 | } |
---|
1713 | } |
---|
1714 | |
---|
1715 | /** |
---|
1716 | * setup_rx_resources - allocate Rx resources (Descriptors) |
---|
1717 | * |
---|
1718 | * @v tp: Driver private structure |
---|
1719 | * |
---|
1720 | * @ret rc Returns 0 on success, negative on failure |
---|
1721 | * |
---|
1722 | **/ |
---|
1723 | static int |
---|
1724 | rtl8169_setup_rx_resources ( struct rtl8169_private *tp ) |
---|
1725 | { |
---|
1726 | DBGP ( "rtl8169_setup_rx_resources\n" ); |
---|
1727 | |
---|
1728 | tp->rx_base = malloc_dma ( R8169_RX_RING_BYTES, RX_RING_ALIGN ); |
---|
1729 | |
---|
1730 | DBG ( "tp->rx_base = %#08lx\n", virt_to_bus ( tp->rx_base ) ); |
---|
1731 | |
---|
1732 | if ( ! tp->rx_base ) { |
---|
1733 | return -ENOMEM; |
---|
1734 | } |
---|
1735 | memset ( tp->rx_base, 0, R8169_RX_RING_BYTES ); |
---|
1736 | |
---|
1737 | rtl8169_refill_rx_ring ( tp ); |
---|
1738 | |
---|
1739 | tp->rx_curr = 0; |
---|
1740 | |
---|
1741 | return 0; |
---|
1742 | } |
---|
1743 | |
---|
1744 | static void |
---|
1745 | rtl8169_process_rx_packets ( struct net_device *netdev ) |
---|
1746 | { |
---|
1747 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
1748 | uint32_t rx_status; |
---|
1749 | uint16_t rx_len; |
---|
1750 | struct RxDesc *rx_curr_desc; |
---|
1751 | int i; |
---|
1752 | |
---|
1753 | DBGP ( "rtl8169_process_rx_packets\n" ); |
---|
1754 | |
---|
1755 | for ( i = 0; i < NUM_RX_DESC; i++ ) { |
---|
1756 | |
---|
1757 | rx_curr_desc = tp->rx_base + tp->rx_curr; |
---|
1758 | |
---|
1759 | rx_status = rx_curr_desc->opts1; |
---|
1760 | |
---|
1761 | DBG2 ( "Before DescOwn check rx_status: %#08x\n", rx_status ); |
---|
1762 | |
---|
1763 | /* Hardware still owns the descriptor */ |
---|
1764 | if ( rx_status & DescOwn ) |
---|
1765 | break; |
---|
1766 | |
---|
1767 | /* We own the descriptor, but it has not been refilled yet */ |
---|
1768 | if ( tp->rx_iobuf[tp->rx_curr] == NULL ) |
---|
1769 | break; |
---|
1770 | |
---|
1771 | rx_len = rx_status & 0x3fff; |
---|
1772 | |
---|
1773 | DBG ( "Received packet.\n" ); |
---|
1774 | DBG ( "tp->rx_curr = %d\n", tp->rx_curr ); |
---|
1775 | DBG ( "rx_len = %d\n", rx_len ); |
---|
1776 | DBG ( "rx_status = %#08x\n", rx_status ); |
---|
1777 | DBG ( "rx_curr_desc = %#08lx\n", virt_to_bus ( rx_curr_desc ) ); |
---|
1778 | |
---|
1779 | if ( rx_status & RxRES ) { |
---|
1780 | |
---|
1781 | netdev_rx_err ( netdev, tp->rx_iobuf[tp->rx_curr], -EINVAL ); |
---|
1782 | |
---|
1783 | DBG ( "rtl8169_poll: Corrupted packet received!\n" |
---|
1784 | " rx_status: %#08x\n", rx_status ); |
---|
1785 | |
---|
1786 | } else { |
---|
1787 | |
---|
1788 | /* Adjust size of the iobuf to reflect received data */ |
---|
1789 | iob_put ( tp->rx_iobuf[tp->rx_curr], rx_len ); |
---|
1790 | |
---|
1791 | /* Add this packet to the receive queue. */ |
---|
1792 | netdev_rx ( netdev, tp->rx_iobuf[tp->rx_curr] ); |
---|
1793 | } |
---|
1794 | |
---|
1795 | /* Invalidate this iobuf and descriptor */ |
---|
1796 | tp->rx_iobuf[tp->rx_curr] = NULL; |
---|
1797 | memset ( rx_curr_desc, 0, sizeof ( *rx_curr_desc ) ); |
---|
1798 | |
---|
1799 | /* Update pointer to next available rx descriptor */ |
---|
1800 | tp->rx_curr = ( tp->rx_curr + 1 ) % NUM_RX_DESC; |
---|
1801 | } |
---|
1802 | rtl8169_refill_rx_ring ( tp ); |
---|
1803 | } |
---|
1804 | |
---|
1805 | static void |
---|
1806 | rtl8169_free_rx_resources ( struct rtl8169_private *tp ) |
---|
1807 | { |
---|
1808 | int i; |
---|
1809 | |
---|
1810 | DBGP ( "rtl8169_free_rx_resources\n" ); |
---|
1811 | |
---|
1812 | free_dma ( tp->rx_base, R8169_RX_RING_BYTES ); |
---|
1813 | |
---|
1814 | for ( i = 0; i < NUM_RX_DESC; i++ ) { |
---|
1815 | free_iob ( tp->rx_iobuf[i] ); |
---|
1816 | tp->rx_iobuf[i] = NULL; |
---|
1817 | } |
---|
1818 | } |
---|
1819 | |
---|
1820 | /** |
---|
1821 | FIXME: Because gPXE's pci_device_id structure does not contain a |
---|
1822 | field to contain arbitrary data, we need the following table to |
---|
1823 | associate PCI IDs with nic variants, because a lot of driver |
---|
1824 | routines depend on knowing which kind of variant they are dealing |
---|
1825 | with. --mdc |
---|
1826 | **/ |
---|
1827 | |
---|
1828 | #define _R(VENDOR,DEVICE,INDEX) \ |
---|
1829 | { .vendor = VENDOR, .device = DEVICE, .index = INDEX } |
---|
1830 | |
---|
1831 | static const struct { |
---|
1832 | uint16_t vendor; |
---|
1833 | uint16_t device; |
---|
1834 | int index; |
---|
1835 | } nic_variant_table[] = { |
---|
1836 | _R(0x10ec, 0x8129, RTL_CFG_0), |
---|
1837 | _R(0x10ec, 0x8136, RTL_CFG_2), |
---|
1838 | _R(0x10ec, 0x8167, RTL_CFG_0), |
---|
1839 | _R(0x10ec, 0x8168, RTL_CFG_1), |
---|
1840 | _R(0x10ec, 0x8169, RTL_CFG_0), |
---|
1841 | _R(0x1186, 0x4300, RTL_CFG_0), |
---|
1842 | _R(0x1259, 0xc107, RTL_CFG_0), |
---|
1843 | _R(0x16ec, 0x0116, RTL_CFG_0), |
---|
1844 | _R(0x1737, 0x1032, RTL_CFG_0), |
---|
1845 | _R(0x0001, 0x8168, RTL_CFG_2), |
---|
1846 | }; |
---|
1847 | #undef _R |
---|
1848 | |
---|
1849 | static int |
---|
1850 | rtl8169_get_nic_variant ( uint16_t vendor, uint16_t device ) |
---|
1851 | { |
---|
1852 | u32 i; |
---|
1853 | |
---|
1854 | DBGP ( "rtl8169_get_nic_variant\n" ); |
---|
1855 | |
---|
1856 | for (i = 0; i < ARRAY_SIZE(nic_variant_table); i++) { |
---|
1857 | if ( ( nic_variant_table[i].vendor == vendor ) && |
---|
1858 | ( nic_variant_table[i].device == device ) ) { |
---|
1859 | return ( nic_variant_table[i].index ); |
---|
1860 | } |
---|
1861 | } |
---|
1862 | DBG ( "No matching NIC variant found!\n" ); |
---|
1863 | return ( RTL_CFG_0 ); |
---|
1864 | } |
---|
1865 | |
---|
1866 | static void rtl8169_irq_enable ( struct rtl8169_private *tp ) |
---|
1867 | { |
---|
1868 | void *ioaddr = tp->mmio_addr; |
---|
1869 | |
---|
1870 | DBGP ( "rtl8169_irq_enable\n" ); |
---|
1871 | |
---|
1872 | RTL_W16 ( IntrMask, tp->intr_event ); |
---|
1873 | } |
---|
1874 | |
---|
1875 | static void rtl8169_irq_disable ( struct rtl8169_private *tp ) |
---|
1876 | { |
---|
1877 | void *ioaddr = tp->mmio_addr; |
---|
1878 | |
---|
1879 | DBGP ( "rtl8169_irq_disable\n" ); |
---|
1880 | |
---|
1881 | rtl8169_irq_mask_and_ack ( ioaddr ); |
---|
1882 | } |
---|
1883 | |
---|
1884 | /*** gPXE Core API Routines ***/ |
---|
1885 | |
---|
1886 | /** |
---|
1887 | * open - Called when a network interface is made active |
---|
1888 | * |
---|
1889 | * @v netdev network interface device structure |
---|
1890 | * @ret rc Return status code, 0 on success, negative value on failure |
---|
1891 | * |
---|
1892 | **/ |
---|
1893 | static int |
---|
1894 | rtl8169_open ( struct net_device *netdev ) |
---|
1895 | { |
---|
1896 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
1897 | void *ioaddr = tp->mmio_addr; |
---|
1898 | int rc; |
---|
1899 | |
---|
1900 | DBGP ( "rtl8169_open\n" ); |
---|
1901 | |
---|
1902 | /* allocate transmit descriptors */ |
---|
1903 | rc = rtl8169_setup_tx_resources ( tp ); |
---|
1904 | if ( rc ) { |
---|
1905 | DBG ( "Error setting up TX resources!\n" ); |
---|
1906 | goto err_setup_tx; |
---|
1907 | } |
---|
1908 | |
---|
1909 | /* allocate receive descriptors */ |
---|
1910 | rc = rtl8169_setup_rx_resources ( tp ); |
---|
1911 | if ( rc ) { |
---|
1912 | DBG ( "Error setting up RX resources!\n" ); |
---|
1913 | goto err_setup_rx; |
---|
1914 | } |
---|
1915 | |
---|
1916 | rtl_hw_start ( netdev ); |
---|
1917 | |
---|
1918 | DBG ( "TxDescStartAddrHigh = %#08lx\n", RTL_R32 ( TxDescStartAddrHigh ) ); |
---|
1919 | DBG ( "TxDescStartAddrLow = %#08lx\n", RTL_R32 ( TxDescStartAddrLow ) ); |
---|
1920 | DBG ( "RxDescAddrHigh = %#08lx\n", RTL_R32 ( RxDescAddrHigh ) ); |
---|
1921 | DBG ( "RxDescAddrLow = %#08lx\n", RTL_R32 ( RxDescAddrLow ) ); |
---|
1922 | |
---|
1923 | return 0; |
---|
1924 | |
---|
1925 | err_setup_rx: |
---|
1926 | rtl8169_free_tx_resources ( tp ); |
---|
1927 | err_setup_tx: |
---|
1928 | rtl8169_hw_reset ( ioaddr ); |
---|
1929 | |
---|
1930 | return rc; |
---|
1931 | } |
---|
1932 | |
---|
1933 | /** |
---|
1934 | * transmit - Transmit a packet |
---|
1935 | * |
---|
1936 | * @v netdev Network device |
---|
1937 | * @v iobuf I/O buffer |
---|
1938 | * |
---|
1939 | * @ret rc Returns 0 on success, negative on failure |
---|
1940 | */ |
---|
1941 | static int |
---|
1942 | rtl8169_transmit ( struct net_device *netdev, struct io_buffer *iobuf ) |
---|
1943 | { |
---|
1944 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
1945 | void *ioaddr = tp->mmio_addr; |
---|
1946 | uint32_t tx_len = iob_len ( iobuf ); |
---|
1947 | |
---|
1948 | struct TxDesc *tx_curr_desc; |
---|
1949 | |
---|
1950 | DBGP ("rtl8169_transmit\n"); |
---|
1951 | |
---|
1952 | if ( tp->tx_fill_ctr == NUM_TX_DESC ) { |
---|
1953 | DBG ("TX overflow\n"); |
---|
1954 | return -ENOBUFS; |
---|
1955 | } |
---|
1956 | |
---|
1957 | /** |
---|
1958 | * The rtl8169 family automatically pads short packets to a |
---|
1959 | * minimum size, but if it did not, like some older cards, |
---|
1960 | * we could do: |
---|
1961 | * iob_pad ( iobuf, ETH_ZLEN ); |
---|
1962 | */ |
---|
1963 | |
---|
1964 | /* Save pointer to this iobuf we have been given to transmit so |
---|
1965 | we can pass it to netdev_tx_complete() later */ |
---|
1966 | tp->tx_iobuf[tp->tx_curr] = iobuf; |
---|
1967 | |
---|
1968 | tx_curr_desc = tp->tx_base + tp->tx_curr; |
---|
1969 | |
---|
1970 | DBG ( "tp->tx_fill_ctr = %d\n", tp->tx_fill_ctr ); |
---|
1971 | DBG ( "tp->tx_curr = %d\n", tp->tx_curr ); |
---|
1972 | DBG ( "tx_curr_desc = %#08lx\n", virt_to_bus ( tx_curr_desc ) ); |
---|
1973 | DBG ( "iobuf->data = %#08lx\n", virt_to_bus ( iobuf->data ) ); |
---|
1974 | DBG ( "tx_len = %d\n", tx_len ); |
---|
1975 | |
---|
1976 | /* Configure current descriptor to transmit supplied packet */ |
---|
1977 | tx_curr_desc->addr_hi = 0; |
---|
1978 | tx_curr_desc->addr_lo = virt_to_bus ( iobuf->data ); |
---|
1979 | tx_curr_desc->opts2 = 0; |
---|
1980 | tx_curr_desc->opts1 = FirstFrag | LastFrag | |
---|
1981 | ( tp->tx_curr == ( NUM_TX_DESC - 1 ) ? RingEnd : 0 ) | |
---|
1982 | tx_len; |
---|
1983 | |
---|
1984 | /* Mark descriptor as owned by NIC */ |
---|
1985 | tx_curr_desc->opts1 |= DescOwn; |
---|
1986 | |
---|
1987 | DBG ( "tx_curr_desc->opts1 = %#08x\n", tx_curr_desc->opts1 ); |
---|
1988 | DBG ( "tx_curr_desc->opts2 = %#08x\n", tx_curr_desc->opts2 ); |
---|
1989 | DBG ( "tx_curr_desc->addr_hi = %#08x\n", tx_curr_desc->addr_hi ); |
---|
1990 | DBG ( "tx_curr_desc->addr_lo = %#08x\n", tx_curr_desc->addr_lo ); |
---|
1991 | |
---|
1992 | RTL_W8 ( TxPoll, NPQ ); /* set polling bit */ |
---|
1993 | |
---|
1994 | /* Point to next free descriptor */ |
---|
1995 | tp->tx_curr = ( tp->tx_curr + 1 ) % NUM_TX_DESC; |
---|
1996 | |
---|
1997 | /* Increment number of tx descriptors in use */ |
---|
1998 | tp->tx_fill_ctr++; |
---|
1999 | |
---|
2000 | return 0; |
---|
2001 | } |
---|
2002 | |
---|
2003 | /** |
---|
2004 | * poll - Poll for received packets |
---|
2005 | * |
---|
2006 | * @v netdev Network device |
---|
2007 | */ |
---|
2008 | static void |
---|
2009 | rtl8169_poll ( struct net_device *netdev ) |
---|
2010 | { |
---|
2011 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
2012 | void *ioaddr = tp->mmio_addr; |
---|
2013 | |
---|
2014 | uint16_t intr_status; |
---|
2015 | uint16_t intr_mask; |
---|
2016 | |
---|
2017 | DBGP ( "rtl8169_poll\n" ); |
---|
2018 | |
---|
2019 | intr_status = RTL_R16 ( IntrStatus ); |
---|
2020 | intr_mask = RTL_R16 ( IntrMask ); |
---|
2021 | |
---|
2022 | DBG2 ( "rtl8169_poll (before): intr_mask = %#04x intr_status = %#04x\n", |
---|
2023 | intr_mask, intr_status ); |
---|
2024 | |
---|
2025 | RTL_W16 ( IntrStatus, 0xffff ); |
---|
2026 | |
---|
2027 | /* hotplug / major error / no more work / shared irq */ |
---|
2028 | if ( intr_status == 0xffff ) |
---|
2029 | return; |
---|
2030 | |
---|
2031 | /* Process transmitted packets */ |
---|
2032 | rtl8169_process_tx_packets ( netdev ); |
---|
2033 | |
---|
2034 | /* Process received packets */ |
---|
2035 | rtl8169_process_rx_packets ( netdev ); |
---|
2036 | } |
---|
2037 | |
---|
2038 | /** |
---|
2039 | * close - Disable network interface |
---|
2040 | * |
---|
2041 | * @v netdev network interface device structure |
---|
2042 | * |
---|
2043 | **/ |
---|
2044 | static void |
---|
2045 | rtl8169_close ( struct net_device *netdev ) |
---|
2046 | { |
---|
2047 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
2048 | void *ioaddr = tp->mmio_addr; |
---|
2049 | |
---|
2050 | DBGP ( "r8169_close\n" ); |
---|
2051 | |
---|
2052 | rtl8169_hw_reset ( ioaddr ); |
---|
2053 | |
---|
2054 | rtl8169_free_tx_resources ( tp ); |
---|
2055 | rtl8169_free_rx_resources ( tp ); |
---|
2056 | } |
---|
2057 | |
---|
2058 | /** |
---|
2059 | * irq - enable or Disable interrupts |
---|
2060 | * |
---|
2061 | * @v netdev network adapter |
---|
2062 | * @v action requested interrupt action |
---|
2063 | * |
---|
2064 | **/ |
---|
2065 | static void |
---|
2066 | rtl8169_irq ( struct net_device *netdev, int action ) |
---|
2067 | { |
---|
2068 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
2069 | |
---|
2070 | DBGP ( "rtl8169_irq\n" ); |
---|
2071 | |
---|
2072 | switch ( action ) { |
---|
2073 | case 0 : |
---|
2074 | rtl8169_irq_disable ( tp ); |
---|
2075 | break; |
---|
2076 | default : |
---|
2077 | rtl8169_irq_enable ( tp ); |
---|
2078 | break; |
---|
2079 | } |
---|
2080 | } |
---|
2081 | |
---|
2082 | static struct net_device_operations rtl8169_operations = { |
---|
2083 | .open = rtl8169_open, |
---|
2084 | .transmit = rtl8169_transmit, |
---|
2085 | .poll = rtl8169_poll, |
---|
2086 | .close = rtl8169_close, |
---|
2087 | .irq = rtl8169_irq, |
---|
2088 | }; |
---|
2089 | |
---|
2090 | /** |
---|
2091 | * probe - Initial configuration of NIC |
---|
2092 | * |
---|
2093 | * @v pci PCI device |
---|
2094 | * @v id PCI IDs |
---|
2095 | * |
---|
2096 | * @ret rc Return status code |
---|
2097 | **/ |
---|
2098 | static int |
---|
2099 | rtl8169_probe ( struct pci_device *pdev, const struct pci_device_id *ent ) |
---|
2100 | { |
---|
2101 | int i, rc; |
---|
2102 | struct net_device *netdev; |
---|
2103 | struct rtl8169_private *tp; |
---|
2104 | void *ioaddr; |
---|
2105 | |
---|
2106 | /** FIXME: This lookup is necessary because gPXE does not have a "data" |
---|
2107 | element in the structure pci_device_id which can pass an arbitrary |
---|
2108 | piece of data to the driver. It might be useful to add it. Then we |
---|
2109 | could just use ent->data instead of having to look up cfg_index. |
---|
2110 | **/ |
---|
2111 | int cfg_index = rtl8169_get_nic_variant ( ent->vendor, ent->device ); |
---|
2112 | const struct rtl_cfg_info *cfg = rtl_cfg_infos + cfg_index; |
---|
2113 | |
---|
2114 | DBGP ( "rtl8169_probe\n" ); |
---|
2115 | |
---|
2116 | DBG ( "ent->vendor = %#04x, ent->device = %#04x\n", ent->vendor, ent->device ); |
---|
2117 | |
---|
2118 | DBG ( "cfg_index = %d\n", cfg_index ); |
---|
2119 | DBG ( "cfg->intr_event = %#04x\n", cfg->intr_event ); |
---|
2120 | |
---|
2121 | rc = -ENOMEM; |
---|
2122 | |
---|
2123 | /* Allocate net device ( also allocates memory for netdev->priv |
---|
2124 | and makes netdev-priv point to it ) |
---|
2125 | */ |
---|
2126 | netdev = alloc_etherdev ( sizeof ( *tp ) ); |
---|
2127 | |
---|
2128 | if ( ! netdev ) |
---|
2129 | goto err_alloc_etherdev; |
---|
2130 | |
---|
2131 | /* Associate driver-specific network operations with |
---|
2132 | generic network device layer |
---|
2133 | */ |
---|
2134 | netdev_init ( netdev, &rtl8169_operations ); |
---|
2135 | |
---|
2136 | /* Associate this network device with the given PCI device */ |
---|
2137 | pci_set_drvdata ( pdev, netdev ); |
---|
2138 | netdev->dev = &pdev->dev; |
---|
2139 | |
---|
2140 | /* Initialize driver private storage */ |
---|
2141 | tp = netdev_priv ( netdev ); |
---|
2142 | memset ( tp, 0, ( sizeof ( *tp ) ) ); |
---|
2143 | |
---|
2144 | tp->pci_dev = pdev; |
---|
2145 | tp->irqno = pdev->irq; |
---|
2146 | tp->netdev = netdev; |
---|
2147 | tp->cfg_index = cfg_index; |
---|
2148 | tp->intr_event = cfg->intr_event; |
---|
2149 | tp->cp_cmd = PCIMulRW; |
---|
2150 | |
---|
2151 | tp->hw_start = cfg->hw_start; |
---|
2152 | |
---|
2153 | rc = -EIO; |
---|
2154 | |
---|
2155 | adjust_pci_device ( pdev ); |
---|
2156 | |
---|
2157 | /* ioremap MMIO region */ |
---|
2158 | ioaddr = ioremap ( pdev->membase, R8169_REGS_SIZE ); |
---|
2159 | |
---|
2160 | if ( ! ioaddr ) { |
---|
2161 | DBG ( "cannot remap MMIO\n" ); |
---|
2162 | rc = -EIO; |
---|
2163 | goto err_ioremap; |
---|
2164 | } |
---|
2165 | |
---|
2166 | tp->mmio_addr = ioaddr; |
---|
2167 | |
---|
2168 | tp->pcie_cap = pci_find_capability ( pdev, PCI_CAP_ID_EXP ); |
---|
2169 | if ( tp->pcie_cap ) { |
---|
2170 | DBG ( "PCI Express capability\n" ); |
---|
2171 | } else { |
---|
2172 | DBG ( "No PCI Express capability\n" ); |
---|
2173 | } |
---|
2174 | |
---|
2175 | /* Mask interrupts just in case */ |
---|
2176 | rtl8169_irq_mask_and_ack ( ioaddr ); |
---|
2177 | |
---|
2178 | /* Soft reset NIC */ |
---|
2179 | rtl_soft_reset ( netdev ); |
---|
2180 | |
---|
2181 | /* Identify chip attached to board */ |
---|
2182 | rtl8169_get_mac_version ( tp, ioaddr ); |
---|
2183 | |
---|
2184 | for ( i = 0; (u32) i < ARRAY_SIZE ( rtl_chip_info ); i++ ) { |
---|
2185 | if ( tp->mac_version == rtl_chip_info[i].mac_version ) |
---|
2186 | break; |
---|
2187 | } |
---|
2188 | if ( i == ARRAY_SIZE(rtl_chip_info ) ) { |
---|
2189 | /* Unknown chip: assume array element #0, original RTL-8169 */ |
---|
2190 | DBG ( "Unknown chip version, assuming %s\n", rtl_chip_info[0].name ); |
---|
2191 | i = 0; |
---|
2192 | } |
---|
2193 | tp->chipset = i; |
---|
2194 | |
---|
2195 | if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) && |
---|
2196 | (RTL_R8(PHYstatus) & TBI_Enable)) { |
---|
2197 | tp->set_speed = rtl8169_set_speed_tbi; |
---|
2198 | tp->phy_reset_enable = rtl8169_tbi_reset_enable; |
---|
2199 | tp->phy_reset_pending = rtl8169_tbi_reset_pending; |
---|
2200 | tp->link_ok = rtl8169_tbi_link_ok; |
---|
2201 | |
---|
2202 | tp->phy_1000_ctrl_reg = ADVERTISE_1000FULL; /* Implied by TBI */ |
---|
2203 | } else { |
---|
2204 | tp->set_speed = rtl8169_set_speed_xmii; |
---|
2205 | tp->phy_reset_enable = rtl8169_xmii_reset_enable; |
---|
2206 | tp->phy_reset_pending = rtl8169_xmii_reset_pending; |
---|
2207 | tp->link_ok = rtl8169_xmii_link_ok; |
---|
2208 | } |
---|
2209 | |
---|
2210 | /* Get MAC address */ |
---|
2211 | for ( i = 0; i < MAC_ADDR_LEN; i++ ) |
---|
2212 | netdev->hw_addr[i] = RTL_R8 ( MAC0 + i ); |
---|
2213 | |
---|
2214 | DBG ( "%s\n", eth_ntoa ( netdev->hw_addr ) ); |
---|
2215 | |
---|
2216 | rtl8169_init_phy ( netdev, tp ); |
---|
2217 | |
---|
2218 | if ( ( rc = register_netdev ( netdev ) ) != 0 ) |
---|
2219 | goto err_register; |
---|
2220 | |
---|
2221 | /* Mark as link up; we don't yet handle link state */ |
---|
2222 | netdev_link_up ( netdev ); |
---|
2223 | |
---|
2224 | DBG ( "rtl8169_probe succeeded!\n" ); |
---|
2225 | |
---|
2226 | /* No errors, return success */ |
---|
2227 | return 0; |
---|
2228 | |
---|
2229 | /* Error return paths */ |
---|
2230 | err_register: |
---|
2231 | err_ioremap: |
---|
2232 | netdev_put ( netdev ); |
---|
2233 | err_alloc_etherdev: |
---|
2234 | return rc; |
---|
2235 | } |
---|
2236 | |
---|
2237 | /** |
---|
2238 | * remove - Device Removal Routine |
---|
2239 | * |
---|
2240 | * @v pdev PCI device information struct |
---|
2241 | * |
---|
2242 | **/ |
---|
2243 | static void |
---|
2244 | rtl8169_remove ( struct pci_device *pdev ) |
---|
2245 | { |
---|
2246 | struct net_device *netdev = pci_get_drvdata ( pdev ); |
---|
2247 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
2248 | void *ioaddr = tp->mmio_addr; |
---|
2249 | |
---|
2250 | DBGP ( "rtl8169_remove\n" ); |
---|
2251 | |
---|
2252 | rtl8169_hw_reset ( ioaddr ); |
---|
2253 | |
---|
2254 | unregister_netdev ( netdev ); |
---|
2255 | netdev_nullify ( netdev ); |
---|
2256 | netdev_put ( netdev ); |
---|
2257 | } |
---|
2258 | |
---|
2259 | static struct pci_device_id rtl8169_nics[] = { |
---|
2260 | PCI_ROM(0x10ec, 0x8129, "rtl8169-0x8129", "rtl8169-0x8129", 0), |
---|
2261 | PCI_ROM(0x10ec, 0x8136, "rtl8169-0x8136", "rtl8169-0x8136", 0), |
---|
2262 | PCI_ROM(0x10ec, 0x8167, "rtl8169-0x8167", "rtl8169-0x8167", 0), |
---|
2263 | PCI_ROM(0x10ec, 0x8168, "rtl8169-0x8168", "rtl8169-0x8168", 0), |
---|
2264 | PCI_ROM(0x10ec, 0x8169, "rtl8169-0x8169", "rtl8169-0x8169", 0), |
---|
2265 | PCI_ROM(0x1186, 0x4300, "rtl8169-0x4300", "rtl8169-0x4300", 0), |
---|
2266 | PCI_ROM(0x1259, 0xc107, "rtl8169-0xc107", "rtl8169-0xc107", 0), |
---|
2267 | PCI_ROM(0x16ec, 0x0116, "rtl8169-0x0116", "rtl8169-0x0116", 0), |
---|
2268 | PCI_ROM(0x1737, 0x1032, "rtl8169-0x1032", "rtl8169-0x1032", 0), |
---|
2269 | PCI_ROM(0x0001, 0x8168, "rtl8169-0x8168", "rtl8169-0x8168", 0), |
---|
2270 | }; |
---|
2271 | |
---|
2272 | struct pci_driver rtl8169_driver __pci_driver = { |
---|
2273 | .ids = rtl8169_nics, |
---|
2274 | .id_count = ( sizeof ( rtl8169_nics ) / sizeof ( rtl8169_nics[0] ) ), |
---|
2275 | .probe = rtl8169_probe, |
---|
2276 | .remove = rtl8169_remove, |
---|
2277 | }; |
---|
2278 | |
---|
2279 | /* |
---|
2280 | * Local variables: |
---|
2281 | * c-basic-offset: 8 |
---|
2282 | * c-indent-level: 8 |
---|
2283 | * tab-width: 8 |
---|
2284 | * End: |
---|
2285 | */ |
---|