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4d22de3e | 1 | /* |
1d68e93d | 2 | * Copyright (c) 2003-2007 Chelsio, Inc. All rights reserved. |
4d22de3e | 3 | * |
1d68e93d DLR |
4 | * This software is available to you under a choice of one of two |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
4d22de3e | 9 | * |
1d68e93d DLR |
10 | * Redistribution and use in source and binary forms, with or |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
4d22de3e | 31 | */ |
4d22de3e DLR |
32 | #include "common.h" |
33 | #include "regs.h" | |
34 | #include "sge_defs.h" | |
35 | #include "firmware_exports.h" | |
36 | ||
f2c6879e DLR |
37 | /** |
38 | * t3_wait_op_done_val - wait until an operation is completed | |
39 | * @adapter: the adapter performing the operation | |
40 | * @reg: the register to check for completion | |
41 | * @mask: a single-bit field within @reg that indicates completion | |
42 | * @polarity: the value of the field when the operation is completed | |
43 | * @attempts: number of check iterations | |
44 | * @delay: delay in usecs between iterations | |
45 | * @valp: where to store the value of the register at completion time | |
46 | * | |
47 | * Wait until an operation is completed by checking a bit in a register | |
48 | * up to @attempts times. If @valp is not NULL the value of the register | |
49 | * at the time it indicated completion is stored there. Returns 0 if the | |
50 | * operation completes and -EAGAIN otherwise. | |
51 | */ | |
4d22de3e DLR |
52 | |
53 | int t3_wait_op_done_val(struct adapter *adapter, int reg, u32 mask, | |
54 | int polarity, int attempts, int delay, u32 *valp) | |
55 | { | |
56 | while (1) { | |
57 | u32 val = t3_read_reg(adapter, reg); | |
58 | ||
59 | if (!!(val & mask) == polarity) { | |
60 | if (valp) | |
61 | *valp = val; | |
62 | return 0; | |
63 | } | |
64 | if (--attempts == 0) | |
b881955b | 65 | return -EAGAIN; |
4d22de3e DLR |
66 | if (delay) |
67 | udelay(delay); | |
68 | } | |
69 | } | |
70 | ||
71 | /** | |
72 | * t3_write_regs - write a bunch of registers | |
73 | * @adapter: the adapter to program | |
74 | * @p: an array of register address/register value pairs | |
75 | * @n: the number of address/value pairs | |
76 | * @offset: register address offset | |
77 | * | |
78 | * Takes an array of register address/register value pairs and writes each | |
79 | * value to the corresponding register. Register addresses are adjusted | |
80 | * by the supplied offset. | |
81 | */ | |
82 | void t3_write_regs(struct adapter *adapter, const struct addr_val_pair *p, | |
83 | int n, unsigned int offset) | |
84 | { | |
85 | while (n--) { | |
86 | t3_write_reg(adapter, p->reg_addr + offset, p->val); | |
87 | p++; | |
88 | } | |
89 | } | |
90 | ||
91 | /** | |
92 | * t3_set_reg_field - set a register field to a value | |
93 | * @adapter: the adapter to program | |
94 | * @addr: the register address | |
95 | * @mask: specifies the portion of the register to modify | |
96 | * @val: the new value for the register field | |
97 | * | |
98 | * Sets a register field specified by the supplied mask to the | |
99 | * given value. | |
100 | */ | |
101 | void t3_set_reg_field(struct adapter *adapter, unsigned int addr, u32 mask, | |
102 | u32 val) | |
103 | { | |
104 | u32 v = t3_read_reg(adapter, addr) & ~mask; | |
105 | ||
106 | t3_write_reg(adapter, addr, v | val); | |
107 | t3_read_reg(adapter, addr); /* flush */ | |
108 | } | |
109 | ||
110 | /** | |
111 | * t3_read_indirect - read indirectly addressed registers | |
112 | * @adap: the adapter | |
113 | * @addr_reg: register holding the indirect address | |
114 | * @data_reg: register holding the value of the indirect register | |
115 | * @vals: where the read register values are stored | |
116 | * @start_idx: index of first indirect register to read | |
117 | * @nregs: how many indirect registers to read | |
118 | * | |
119 | * Reads registers that are accessed indirectly through an address/data | |
120 | * register pair. | |
121 | */ | |
9265fabf SH |
122 | static void t3_read_indirect(struct adapter *adap, unsigned int addr_reg, |
123 | unsigned int data_reg, u32 *vals, | |
124 | unsigned int nregs, unsigned int start_idx) | |
4d22de3e DLR |
125 | { |
126 | while (nregs--) { | |
127 | t3_write_reg(adap, addr_reg, start_idx); | |
128 | *vals++ = t3_read_reg(adap, data_reg); | |
129 | start_idx++; | |
130 | } | |
131 | } | |
132 | ||
133 | /** | |
134 | * t3_mc7_bd_read - read from MC7 through backdoor accesses | |
135 | * @mc7: identifies MC7 to read from | |
136 | * @start: index of first 64-bit word to read | |
137 | * @n: number of 64-bit words to read | |
138 | * @buf: where to store the read result | |
139 | * | |
140 | * Read n 64-bit words from MC7 starting at word start, using backdoor | |
141 | * accesses. | |
142 | */ | |
143 | int t3_mc7_bd_read(struct mc7 *mc7, unsigned int start, unsigned int n, | |
144 | u64 *buf) | |
145 | { | |
146 | static const int shift[] = { 0, 0, 16, 24 }; | |
147 | static const int step[] = { 0, 32, 16, 8 }; | |
148 | ||
149 | unsigned int size64 = mc7->size / 8; /* # of 64-bit words */ | |
150 | struct adapter *adap = mc7->adapter; | |
151 | ||
152 | if (start >= size64 || start + n > size64) | |
153 | return -EINVAL; | |
154 | ||
155 | start *= (8 << mc7->width); | |
156 | while (n--) { | |
157 | int i; | |
158 | u64 val64 = 0; | |
159 | ||
160 | for (i = (1 << mc7->width) - 1; i >= 0; --i) { | |
161 | int attempts = 10; | |
162 | u32 val; | |
163 | ||
164 | t3_write_reg(adap, mc7->offset + A_MC7_BD_ADDR, start); | |
165 | t3_write_reg(adap, mc7->offset + A_MC7_BD_OP, 0); | |
166 | val = t3_read_reg(adap, mc7->offset + A_MC7_BD_OP); | |
167 | while ((val & F_BUSY) && attempts--) | |
168 | val = t3_read_reg(adap, | |
169 | mc7->offset + A_MC7_BD_OP); | |
170 | if (val & F_BUSY) | |
171 | return -EIO; | |
172 | ||
173 | val = t3_read_reg(adap, mc7->offset + A_MC7_BD_DATA1); | |
174 | if (mc7->width == 0) { | |
175 | val64 = t3_read_reg(adap, | |
176 | mc7->offset + | |
177 | A_MC7_BD_DATA0); | |
178 | val64 |= (u64) val << 32; | |
179 | } else { | |
180 | if (mc7->width > 1) | |
181 | val >>= shift[mc7->width]; | |
182 | val64 |= (u64) val << (step[mc7->width] * i); | |
183 | } | |
184 | start += 8; | |
185 | } | |
186 | *buf++ = val64; | |
187 | } | |
188 | return 0; | |
189 | } | |
190 | ||
191 | /* | |
192 | * Initialize MI1. | |
193 | */ | |
194 | static void mi1_init(struct adapter *adap, const struct adapter_info *ai) | |
195 | { | |
196 | u32 clkdiv = adap->params.vpd.cclk / (2 * adap->params.vpd.mdc) - 1; | |
197 | u32 val = F_PREEN | V_MDIINV(ai->mdiinv) | V_MDIEN(ai->mdien) | | |
198 | V_CLKDIV(clkdiv); | |
199 | ||
200 | if (!(ai->caps & SUPPORTED_10000baseT_Full)) | |
201 | val |= V_ST(1); | |
202 | t3_write_reg(adap, A_MI1_CFG, val); | |
203 | } | |
204 | ||
205 | #define MDIO_ATTEMPTS 10 | |
206 | ||
207 | /* | |
208 | * MI1 read/write operations for direct-addressed PHYs. | |
209 | */ | |
210 | static int mi1_read(struct adapter *adapter, int phy_addr, int mmd_addr, | |
211 | int reg_addr, unsigned int *valp) | |
212 | { | |
213 | int ret; | |
214 | u32 addr = V_REGADDR(reg_addr) | V_PHYADDR(phy_addr); | |
215 | ||
216 | if (mmd_addr) | |
217 | return -EINVAL; | |
218 | ||
219 | mutex_lock(&adapter->mdio_lock); | |
220 | t3_write_reg(adapter, A_MI1_ADDR, addr); | |
221 | t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(2)); | |
222 | ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, MDIO_ATTEMPTS, 20); | |
223 | if (!ret) | |
224 | *valp = t3_read_reg(adapter, A_MI1_DATA); | |
225 | mutex_unlock(&adapter->mdio_lock); | |
226 | return ret; | |
227 | } | |
228 | ||
229 | static int mi1_write(struct adapter *adapter, int phy_addr, int mmd_addr, | |
230 | int reg_addr, unsigned int val) | |
231 | { | |
232 | int ret; | |
233 | u32 addr = V_REGADDR(reg_addr) | V_PHYADDR(phy_addr); | |
234 | ||
235 | if (mmd_addr) | |
236 | return -EINVAL; | |
237 | ||
238 | mutex_lock(&adapter->mdio_lock); | |
239 | t3_write_reg(adapter, A_MI1_ADDR, addr); | |
240 | t3_write_reg(adapter, A_MI1_DATA, val); | |
241 | t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(1)); | |
242 | ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, MDIO_ATTEMPTS, 20); | |
243 | mutex_unlock(&adapter->mdio_lock); | |
244 | return ret; | |
245 | } | |
246 | ||
247 | static const struct mdio_ops mi1_mdio_ops = { | |
248 | mi1_read, | |
249 | mi1_write | |
250 | }; | |
251 | ||
252 | /* | |
253 | * MI1 read/write operations for indirect-addressed PHYs. | |
254 | */ | |
255 | static int mi1_ext_read(struct adapter *adapter, int phy_addr, int mmd_addr, | |
256 | int reg_addr, unsigned int *valp) | |
257 | { | |
258 | int ret; | |
259 | u32 addr = V_REGADDR(mmd_addr) | V_PHYADDR(phy_addr); | |
260 | ||
261 | mutex_lock(&adapter->mdio_lock); | |
262 | t3_write_reg(adapter, A_MI1_ADDR, addr); | |
263 | t3_write_reg(adapter, A_MI1_DATA, reg_addr); | |
264 | t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(0)); | |
265 | ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, MDIO_ATTEMPTS, 20); | |
266 | if (!ret) { | |
267 | t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(3)); | |
268 | ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, | |
269 | MDIO_ATTEMPTS, 20); | |
270 | if (!ret) | |
271 | *valp = t3_read_reg(adapter, A_MI1_DATA); | |
272 | } | |
273 | mutex_unlock(&adapter->mdio_lock); | |
274 | return ret; | |
275 | } | |
276 | ||
277 | static int mi1_ext_write(struct adapter *adapter, int phy_addr, int mmd_addr, | |
278 | int reg_addr, unsigned int val) | |
279 | { | |
280 | int ret; | |
281 | u32 addr = V_REGADDR(mmd_addr) | V_PHYADDR(phy_addr); | |
282 | ||
283 | mutex_lock(&adapter->mdio_lock); | |
284 | t3_write_reg(adapter, A_MI1_ADDR, addr); | |
285 | t3_write_reg(adapter, A_MI1_DATA, reg_addr); | |
286 | t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(0)); | |
287 | ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, MDIO_ATTEMPTS, 20); | |
288 | if (!ret) { | |
289 | t3_write_reg(adapter, A_MI1_DATA, val); | |
290 | t3_write_reg(adapter, A_MI1_OP, V_MDI_OP(1)); | |
291 | ret = t3_wait_op_done(adapter, A_MI1_OP, F_BUSY, 0, | |
292 | MDIO_ATTEMPTS, 20); | |
293 | } | |
294 | mutex_unlock(&adapter->mdio_lock); | |
295 | return ret; | |
296 | } | |
297 | ||
298 | static const struct mdio_ops mi1_mdio_ext_ops = { | |
299 | mi1_ext_read, | |
300 | mi1_ext_write | |
301 | }; | |
302 | ||
303 | /** | |
304 | * t3_mdio_change_bits - modify the value of a PHY register | |
305 | * @phy: the PHY to operate on | |
306 | * @mmd: the device address | |
307 | * @reg: the register address | |
308 | * @clear: what part of the register value to mask off | |
309 | * @set: what part of the register value to set | |
310 | * | |
311 | * Changes the value of a PHY register by applying a mask to its current | |
312 | * value and ORing the result with a new value. | |
313 | */ | |
314 | int t3_mdio_change_bits(struct cphy *phy, int mmd, int reg, unsigned int clear, | |
315 | unsigned int set) | |
316 | { | |
317 | int ret; | |
318 | unsigned int val; | |
319 | ||
320 | ret = mdio_read(phy, mmd, reg, &val); | |
321 | if (!ret) { | |
322 | val &= ~clear; | |
323 | ret = mdio_write(phy, mmd, reg, val | set); | |
324 | } | |
325 | return ret; | |
326 | } | |
327 | ||
328 | /** | |
329 | * t3_phy_reset - reset a PHY block | |
330 | * @phy: the PHY to operate on | |
331 | * @mmd: the device address of the PHY block to reset | |
332 | * @wait: how long to wait for the reset to complete in 1ms increments | |
333 | * | |
334 | * Resets a PHY block and optionally waits for the reset to complete. | |
335 | * @mmd should be 0 for 10/100/1000 PHYs and the device address to reset | |
336 | * for 10G PHYs. | |
337 | */ | |
338 | int t3_phy_reset(struct cphy *phy, int mmd, int wait) | |
339 | { | |
340 | int err; | |
341 | unsigned int ctl; | |
342 | ||
343 | err = t3_mdio_change_bits(phy, mmd, MII_BMCR, BMCR_PDOWN, BMCR_RESET); | |
344 | if (err || !wait) | |
345 | return err; | |
346 | ||
347 | do { | |
348 | err = mdio_read(phy, mmd, MII_BMCR, &ctl); | |
349 | if (err) | |
350 | return err; | |
351 | ctl &= BMCR_RESET; | |
352 | if (ctl) | |
353 | msleep(1); | |
354 | } while (ctl && --wait); | |
355 | ||
356 | return ctl ? -1 : 0; | |
357 | } | |
358 | ||
359 | /** | |
360 | * t3_phy_advertise - set the PHY advertisement registers for autoneg | |
361 | * @phy: the PHY to operate on | |
362 | * @advert: bitmap of capabilities the PHY should advertise | |
363 | * | |
364 | * Sets a 10/100/1000 PHY's advertisement registers to advertise the | |
365 | * requested capabilities. | |
366 | */ | |
367 | int t3_phy_advertise(struct cphy *phy, unsigned int advert) | |
368 | { | |
369 | int err; | |
370 | unsigned int val = 0; | |
371 | ||
372 | err = mdio_read(phy, 0, MII_CTRL1000, &val); | |
373 | if (err) | |
374 | return err; | |
375 | ||
376 | val &= ~(ADVERTISE_1000HALF | ADVERTISE_1000FULL); | |
377 | if (advert & ADVERTISED_1000baseT_Half) | |
378 | val |= ADVERTISE_1000HALF; | |
379 | if (advert & ADVERTISED_1000baseT_Full) | |
380 | val |= ADVERTISE_1000FULL; | |
381 | ||
382 | err = mdio_write(phy, 0, MII_CTRL1000, val); | |
383 | if (err) | |
384 | return err; | |
385 | ||
386 | val = 1; | |
387 | if (advert & ADVERTISED_10baseT_Half) | |
388 | val |= ADVERTISE_10HALF; | |
389 | if (advert & ADVERTISED_10baseT_Full) | |
390 | val |= ADVERTISE_10FULL; | |
391 | if (advert & ADVERTISED_100baseT_Half) | |
392 | val |= ADVERTISE_100HALF; | |
393 | if (advert & ADVERTISED_100baseT_Full) | |
394 | val |= ADVERTISE_100FULL; | |
395 | if (advert & ADVERTISED_Pause) | |
396 | val |= ADVERTISE_PAUSE_CAP; | |
397 | if (advert & ADVERTISED_Asym_Pause) | |
398 | val |= ADVERTISE_PAUSE_ASYM; | |
399 | return mdio_write(phy, 0, MII_ADVERTISE, val); | |
400 | } | |
401 | ||
402 | /** | |
403 | * t3_set_phy_speed_duplex - force PHY speed and duplex | |
404 | * @phy: the PHY to operate on | |
405 | * @speed: requested PHY speed | |
406 | * @duplex: requested PHY duplex | |
407 | * | |
408 | * Force a 10/100/1000 PHY's speed and duplex. This also disables | |
409 | * auto-negotiation except for GigE, where auto-negotiation is mandatory. | |
410 | */ | |
411 | int t3_set_phy_speed_duplex(struct cphy *phy, int speed, int duplex) | |
412 | { | |
413 | int err; | |
414 | unsigned int ctl; | |
415 | ||
416 | err = mdio_read(phy, 0, MII_BMCR, &ctl); | |
417 | if (err) | |
418 | return err; | |
419 | ||
420 | if (speed >= 0) { | |
421 | ctl &= ~(BMCR_SPEED100 | BMCR_SPEED1000 | BMCR_ANENABLE); | |
422 | if (speed == SPEED_100) | |
423 | ctl |= BMCR_SPEED100; | |
424 | else if (speed == SPEED_1000) | |
425 | ctl |= BMCR_SPEED1000; | |
426 | } | |
427 | if (duplex >= 0) { | |
428 | ctl &= ~(BMCR_FULLDPLX | BMCR_ANENABLE); | |
429 | if (duplex == DUPLEX_FULL) | |
430 | ctl |= BMCR_FULLDPLX; | |
431 | } | |
432 | if (ctl & BMCR_SPEED1000) /* auto-negotiation required for GigE */ | |
433 | ctl |= BMCR_ANENABLE; | |
434 | return mdio_write(phy, 0, MII_BMCR, ctl); | |
435 | } | |
436 | ||
437 | static const struct adapter_info t3_adap_info[] = { | |
438 | {2, 0, 0, 0, | |
439 | F_GPIO2_OEN | F_GPIO4_OEN | | |
440 | F_GPIO2_OUT_VAL | F_GPIO4_OUT_VAL, F_GPIO3 | F_GPIO5, | |
8ac3ba68 | 441 | 0, |
4d22de3e DLR |
442 | &mi1_mdio_ops, "Chelsio PE9000"}, |
443 | {2, 0, 0, 0, | |
444 | F_GPIO2_OEN | F_GPIO4_OEN | | |
445 | F_GPIO2_OUT_VAL | F_GPIO4_OUT_VAL, F_GPIO3 | F_GPIO5, | |
8ac3ba68 | 446 | 0, |
4d22de3e DLR |
447 | &mi1_mdio_ops, "Chelsio T302"}, |
448 | {1, 0, 0, 0, | |
449 | F_GPIO1_OEN | F_GPIO6_OEN | F_GPIO7_OEN | F_GPIO10_OEN | | |
75758e8a DLR |
450 | F_GPIO11_OEN | F_GPIO1_OUT_VAL | F_GPIO6_OUT_VAL | F_GPIO10_OUT_VAL, |
451 | 0, SUPPORTED_10000baseT_Full | SUPPORTED_AUI, | |
4d22de3e DLR |
452 | &mi1_mdio_ext_ops, "Chelsio T310"}, |
453 | {2, 0, 0, 0, | |
454 | F_GPIO1_OEN | F_GPIO2_OEN | F_GPIO4_OEN | F_GPIO5_OEN | F_GPIO6_OEN | | |
455 | F_GPIO7_OEN | F_GPIO10_OEN | F_GPIO11_OEN | F_GPIO1_OUT_VAL | | |
456 | F_GPIO5_OUT_VAL | F_GPIO6_OUT_VAL | F_GPIO10_OUT_VAL, 0, | |
8ac3ba68 | 457 | SUPPORTED_10000baseT_Full | SUPPORTED_AUI, |
4d22de3e DLR |
458 | &mi1_mdio_ext_ops, "Chelsio T320"}, |
459 | }; | |
460 | ||
461 | /* | |
462 | * Return the adapter_info structure with a given index. Out-of-range indices | |
463 | * return NULL. | |
464 | */ | |
465 | const struct adapter_info *t3_get_adapter_info(unsigned int id) | |
466 | { | |
467 | return id < ARRAY_SIZE(t3_adap_info) ? &t3_adap_info[id] : NULL; | |
468 | } | |
469 | ||
470 | #define CAPS_1G (SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Full | \ | |
471 | SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_MII) | |
472 | #define CAPS_10G (SUPPORTED_10000baseT_Full | SUPPORTED_AUI) | |
473 | ||
474 | static const struct port_type_info port_types[] = { | |
475 | {NULL}, | |
476 | {t3_ael1002_phy_prep, CAPS_10G | SUPPORTED_FIBRE, | |
477 | "10GBASE-XR"}, | |
478 | {t3_vsc8211_phy_prep, CAPS_1G | SUPPORTED_TP | SUPPORTED_IRQ, | |
479 | "10/100/1000BASE-T"}, | |
480 | {NULL, CAPS_1G | SUPPORTED_TP | SUPPORTED_IRQ, | |
481 | "10/100/1000BASE-T"}, | |
482 | {t3_xaui_direct_phy_prep, CAPS_10G | SUPPORTED_TP, "10GBASE-CX4"}, | |
483 | {NULL, CAPS_10G, "10GBASE-KX4"}, | |
484 | {t3_qt2045_phy_prep, CAPS_10G | SUPPORTED_TP, "10GBASE-CX4"}, | |
485 | {t3_ael1006_phy_prep, CAPS_10G | SUPPORTED_FIBRE, | |
486 | "10GBASE-SR"}, | |
487 | {NULL, CAPS_10G | SUPPORTED_TP, "10GBASE-CX4"}, | |
488 | }; | |
489 | ||
490 | #undef CAPS_1G | |
491 | #undef CAPS_10G | |
492 | ||
493 | #define VPD_ENTRY(name, len) \ | |
494 | u8 name##_kword[2]; u8 name##_len; u8 name##_data[len] | |
495 | ||
496 | /* | |
497 | * Partial EEPROM Vital Product Data structure. Includes only the ID and | |
498 | * VPD-R sections. | |
499 | */ | |
500 | struct t3_vpd { | |
501 | u8 id_tag; | |
502 | u8 id_len[2]; | |
503 | u8 id_data[16]; | |
504 | u8 vpdr_tag; | |
505 | u8 vpdr_len[2]; | |
506 | VPD_ENTRY(pn, 16); /* part number */ | |
507 | VPD_ENTRY(ec, 16); /* EC level */ | |
167cdf5f | 508 | VPD_ENTRY(sn, SERNUM_LEN); /* serial number */ |
4d22de3e DLR |
509 | VPD_ENTRY(na, 12); /* MAC address base */ |
510 | VPD_ENTRY(cclk, 6); /* core clock */ | |
511 | VPD_ENTRY(mclk, 6); /* mem clock */ | |
512 | VPD_ENTRY(uclk, 6); /* uP clk */ | |
513 | VPD_ENTRY(mdc, 6); /* MDIO clk */ | |
514 | VPD_ENTRY(mt, 2); /* mem timing */ | |
515 | VPD_ENTRY(xaui0cfg, 6); /* XAUI0 config */ | |
516 | VPD_ENTRY(xaui1cfg, 6); /* XAUI1 config */ | |
517 | VPD_ENTRY(port0, 2); /* PHY0 complex */ | |
518 | VPD_ENTRY(port1, 2); /* PHY1 complex */ | |
519 | VPD_ENTRY(port2, 2); /* PHY2 complex */ | |
520 | VPD_ENTRY(port3, 2); /* PHY3 complex */ | |
521 | VPD_ENTRY(rv, 1); /* csum */ | |
522 | u32 pad; /* for multiple-of-4 sizing and alignment */ | |
523 | }; | |
524 | ||
525 | #define EEPROM_MAX_POLL 4 | |
526 | #define EEPROM_STAT_ADDR 0x4000 | |
527 | #define VPD_BASE 0xc00 | |
528 | ||
529 | /** | |
530 | * t3_seeprom_read - read a VPD EEPROM location | |
531 | * @adapter: adapter to read | |
532 | * @addr: EEPROM address | |
533 | * @data: where to store the read data | |
534 | * | |
535 | * Read a 32-bit word from a location in VPD EEPROM using the card's PCI | |
536 | * VPD ROM capability. A zero is written to the flag bit when the | |
537 | * addres is written to the control register. The hardware device will | |
538 | * set the flag to 1 when 4 bytes have been read into the data register. | |
539 | */ | |
05e5c116 | 540 | int t3_seeprom_read(struct adapter *adapter, u32 addr, __le32 *data) |
4d22de3e DLR |
541 | { |
542 | u16 val; | |
543 | int attempts = EEPROM_MAX_POLL; | |
05e5c116 | 544 | u32 v; |
4d22de3e DLR |
545 | unsigned int base = adapter->params.pci.vpd_cap_addr; |
546 | ||
547 | if ((addr >= EEPROMSIZE && addr != EEPROM_STAT_ADDR) || (addr & 3)) | |
548 | return -EINVAL; | |
549 | ||
550 | pci_write_config_word(adapter->pdev, base + PCI_VPD_ADDR, addr); | |
551 | do { | |
552 | udelay(10); | |
553 | pci_read_config_word(adapter->pdev, base + PCI_VPD_ADDR, &val); | |
554 | } while (!(val & PCI_VPD_ADDR_F) && --attempts); | |
555 | ||
556 | if (!(val & PCI_VPD_ADDR_F)) { | |
557 | CH_ERR(adapter, "reading EEPROM address 0x%x failed\n", addr); | |
558 | return -EIO; | |
559 | } | |
05e5c116 AV |
560 | pci_read_config_dword(adapter->pdev, base + PCI_VPD_DATA, &v); |
561 | *data = cpu_to_le32(v); | |
4d22de3e DLR |
562 | return 0; |
563 | } | |
564 | ||
565 | /** | |
566 | * t3_seeprom_write - write a VPD EEPROM location | |
567 | * @adapter: adapter to write | |
568 | * @addr: EEPROM address | |
569 | * @data: value to write | |
570 | * | |
571 | * Write a 32-bit word to a location in VPD EEPROM using the card's PCI | |
572 | * VPD ROM capability. | |
573 | */ | |
05e5c116 | 574 | int t3_seeprom_write(struct adapter *adapter, u32 addr, __le32 data) |
4d22de3e DLR |
575 | { |
576 | u16 val; | |
577 | int attempts = EEPROM_MAX_POLL; | |
578 | unsigned int base = adapter->params.pci.vpd_cap_addr; | |
579 | ||
580 | if ((addr >= EEPROMSIZE && addr != EEPROM_STAT_ADDR) || (addr & 3)) | |
581 | return -EINVAL; | |
582 | ||
583 | pci_write_config_dword(adapter->pdev, base + PCI_VPD_DATA, | |
05e5c116 | 584 | le32_to_cpu(data)); |
4d22de3e DLR |
585 | pci_write_config_word(adapter->pdev,base + PCI_VPD_ADDR, |
586 | addr | PCI_VPD_ADDR_F); | |
587 | do { | |
588 | msleep(1); | |
589 | pci_read_config_word(adapter->pdev, base + PCI_VPD_ADDR, &val); | |
590 | } while ((val & PCI_VPD_ADDR_F) && --attempts); | |
591 | ||
592 | if (val & PCI_VPD_ADDR_F) { | |
593 | CH_ERR(adapter, "write to EEPROM address 0x%x failed\n", addr); | |
594 | return -EIO; | |
595 | } | |
596 | return 0; | |
597 | } | |
598 | ||
599 | /** | |
600 | * t3_seeprom_wp - enable/disable EEPROM write protection | |
601 | * @adapter: the adapter | |
602 | * @enable: 1 to enable write protection, 0 to disable it | |
603 | * | |
604 | * Enables or disables write protection on the serial EEPROM. | |
605 | */ | |
606 | int t3_seeprom_wp(struct adapter *adapter, int enable) | |
607 | { | |
608 | return t3_seeprom_write(adapter, EEPROM_STAT_ADDR, enable ? 0xc : 0); | |
609 | } | |
610 | ||
611 | /* | |
612 | * Convert a character holding a hex digit to a number. | |
613 | */ | |
614 | static unsigned int hex2int(unsigned char c) | |
615 | { | |
616 | return isdigit(c) ? c - '0' : toupper(c) - 'A' + 10; | |
617 | } | |
618 | ||
619 | /** | |
620 | * get_vpd_params - read VPD parameters from VPD EEPROM | |
621 | * @adapter: adapter to read | |
622 | * @p: where to store the parameters | |
623 | * | |
624 | * Reads card parameters stored in VPD EEPROM. | |
625 | */ | |
626 | static int get_vpd_params(struct adapter *adapter, struct vpd_params *p) | |
627 | { | |
628 | int i, addr, ret; | |
629 | struct t3_vpd vpd; | |
630 | ||
631 | /* | |
632 | * Card information is normally at VPD_BASE but some early cards had | |
633 | * it at 0. | |
634 | */ | |
05e5c116 | 635 | ret = t3_seeprom_read(adapter, VPD_BASE, (__le32 *)&vpd); |
4d22de3e DLR |
636 | if (ret) |
637 | return ret; | |
638 | addr = vpd.id_tag == 0x82 ? VPD_BASE : 0; | |
639 | ||
640 | for (i = 0; i < sizeof(vpd); i += 4) { | |
641 | ret = t3_seeprom_read(adapter, addr + i, | |
05e5c116 | 642 | (__le32 *)((u8 *)&vpd + i)); |
4d22de3e DLR |
643 | if (ret) |
644 | return ret; | |
645 | } | |
646 | ||
647 | p->cclk = simple_strtoul(vpd.cclk_data, NULL, 10); | |
648 | p->mclk = simple_strtoul(vpd.mclk_data, NULL, 10); | |
649 | p->uclk = simple_strtoul(vpd.uclk_data, NULL, 10); | |
650 | p->mdc = simple_strtoul(vpd.mdc_data, NULL, 10); | |
651 | p->mem_timing = simple_strtoul(vpd.mt_data, NULL, 10); | |
167cdf5f | 652 | memcpy(p->sn, vpd.sn_data, SERNUM_LEN); |
4d22de3e DLR |
653 | |
654 | /* Old eeproms didn't have port information */ | |
655 | if (adapter->params.rev == 0 && !vpd.port0_data[0]) { | |
656 | p->port_type[0] = uses_xaui(adapter) ? 1 : 2; | |
657 | p->port_type[1] = uses_xaui(adapter) ? 6 : 2; | |
658 | } else { | |
659 | p->port_type[0] = hex2int(vpd.port0_data[0]); | |
660 | p->port_type[1] = hex2int(vpd.port1_data[0]); | |
661 | p->xauicfg[0] = simple_strtoul(vpd.xaui0cfg_data, NULL, 16); | |
662 | p->xauicfg[1] = simple_strtoul(vpd.xaui1cfg_data, NULL, 16); | |
663 | } | |
664 | ||
665 | for (i = 0; i < 6; i++) | |
666 | p->eth_base[i] = hex2int(vpd.na_data[2 * i]) * 16 + | |
667 | hex2int(vpd.na_data[2 * i + 1]); | |
668 | return 0; | |
669 | } | |
670 | ||
671 | /* serial flash and firmware constants */ | |
672 | enum { | |
673 | SF_ATTEMPTS = 5, /* max retries for SF1 operations */ | |
674 | SF_SEC_SIZE = 64 * 1024, /* serial flash sector size */ | |
675 | SF_SIZE = SF_SEC_SIZE * 8, /* serial flash size */ | |
676 | ||
677 | /* flash command opcodes */ | |
678 | SF_PROG_PAGE = 2, /* program page */ | |
679 | SF_WR_DISABLE = 4, /* disable writes */ | |
680 | SF_RD_STATUS = 5, /* read status register */ | |
681 | SF_WR_ENABLE = 6, /* enable writes */ | |
682 | SF_RD_DATA_FAST = 0xb, /* read flash */ | |
683 | SF_ERASE_SECTOR = 0xd8, /* erase sector */ | |
684 | ||
685 | FW_FLASH_BOOT_ADDR = 0x70000, /* start address of FW in flash */ | |
80513675 | 686 | FW_VERS_ADDR = 0x7fffc, /* flash address holding FW version */ |
2e283962 | 687 | FW_MIN_SIZE = 8 /* at least version and csum */ |
4d22de3e DLR |
688 | }; |
689 | ||
690 | /** | |
691 | * sf1_read - read data from the serial flash | |
692 | * @adapter: the adapter | |
693 | * @byte_cnt: number of bytes to read | |
694 | * @cont: whether another operation will be chained | |
695 | * @valp: where to store the read data | |
696 | * | |
697 | * Reads up to 4 bytes of data from the serial flash. The location of | |
698 | * the read needs to be specified prior to calling this by issuing the | |
699 | * appropriate commands to the serial flash. | |
700 | */ | |
701 | static int sf1_read(struct adapter *adapter, unsigned int byte_cnt, int cont, | |
702 | u32 *valp) | |
703 | { | |
704 | int ret; | |
705 | ||
706 | if (!byte_cnt || byte_cnt > 4) | |
707 | return -EINVAL; | |
708 | if (t3_read_reg(adapter, A_SF_OP) & F_BUSY) | |
709 | return -EBUSY; | |
710 | t3_write_reg(adapter, A_SF_OP, V_CONT(cont) | V_BYTECNT(byte_cnt - 1)); | |
711 | ret = t3_wait_op_done(adapter, A_SF_OP, F_BUSY, 0, SF_ATTEMPTS, 10); | |
712 | if (!ret) | |
713 | *valp = t3_read_reg(adapter, A_SF_DATA); | |
714 | return ret; | |
715 | } | |
716 | ||
717 | /** | |
718 | * sf1_write - write data to the serial flash | |
719 | * @adapter: the adapter | |
720 | * @byte_cnt: number of bytes to write | |
721 | * @cont: whether another operation will be chained | |
722 | * @val: value to write | |
723 | * | |
724 | * Writes up to 4 bytes of data to the serial flash. The location of | |
725 | * the write needs to be specified prior to calling this by issuing the | |
726 | * appropriate commands to the serial flash. | |
727 | */ | |
728 | static int sf1_write(struct adapter *adapter, unsigned int byte_cnt, int cont, | |
729 | u32 val) | |
730 | { | |
731 | if (!byte_cnt || byte_cnt > 4) | |
732 | return -EINVAL; | |
733 | if (t3_read_reg(adapter, A_SF_OP) & F_BUSY) | |
734 | return -EBUSY; | |
735 | t3_write_reg(adapter, A_SF_DATA, val); | |
736 | t3_write_reg(adapter, A_SF_OP, | |
737 | V_CONT(cont) | V_BYTECNT(byte_cnt - 1) | V_OP(1)); | |
738 | return t3_wait_op_done(adapter, A_SF_OP, F_BUSY, 0, SF_ATTEMPTS, 10); | |
739 | } | |
740 | ||
741 | /** | |
742 | * flash_wait_op - wait for a flash operation to complete | |
743 | * @adapter: the adapter | |
744 | * @attempts: max number of polls of the status register | |
745 | * @delay: delay between polls in ms | |
746 | * | |
747 | * Wait for a flash operation to complete by polling the status register. | |
748 | */ | |
749 | static int flash_wait_op(struct adapter *adapter, int attempts, int delay) | |
750 | { | |
751 | int ret; | |
752 | u32 status; | |
753 | ||
754 | while (1) { | |
755 | if ((ret = sf1_write(adapter, 1, 1, SF_RD_STATUS)) != 0 || | |
756 | (ret = sf1_read(adapter, 1, 0, &status)) != 0) | |
757 | return ret; | |
758 | if (!(status & 1)) | |
759 | return 0; | |
760 | if (--attempts == 0) | |
761 | return -EAGAIN; | |
762 | if (delay) | |
763 | msleep(delay); | |
764 | } | |
765 | } | |
766 | ||
767 | /** | |
768 | * t3_read_flash - read words from serial flash | |
769 | * @adapter: the adapter | |
770 | * @addr: the start address for the read | |
771 | * @nwords: how many 32-bit words to read | |
772 | * @data: where to store the read data | |
773 | * @byte_oriented: whether to store data as bytes or as words | |
774 | * | |
775 | * Read the specified number of 32-bit words from the serial flash. | |
776 | * If @byte_oriented is set the read data is stored as a byte array | |
777 | * (i.e., big-endian), otherwise as 32-bit words in the platform's | |
778 | * natural endianess. | |
779 | */ | |
780 | int t3_read_flash(struct adapter *adapter, unsigned int addr, | |
781 | unsigned int nwords, u32 *data, int byte_oriented) | |
782 | { | |
783 | int ret; | |
784 | ||
785 | if (addr + nwords * sizeof(u32) > SF_SIZE || (addr & 3)) | |
786 | return -EINVAL; | |
787 | ||
788 | addr = swab32(addr) | SF_RD_DATA_FAST; | |
789 | ||
790 | if ((ret = sf1_write(adapter, 4, 1, addr)) != 0 || | |
791 | (ret = sf1_read(adapter, 1, 1, data)) != 0) | |
792 | return ret; | |
793 | ||
794 | for (; nwords; nwords--, data++) { | |
795 | ret = sf1_read(adapter, 4, nwords > 1, data); | |
796 | if (ret) | |
797 | return ret; | |
798 | if (byte_oriented) | |
799 | *data = htonl(*data); | |
800 | } | |
801 | return 0; | |
802 | } | |
803 | ||
804 | /** | |
805 | * t3_write_flash - write up to a page of data to the serial flash | |
806 | * @adapter: the adapter | |
807 | * @addr: the start address to write | |
808 | * @n: length of data to write | |
809 | * @data: the data to write | |
810 | * | |
811 | * Writes up to a page of data (256 bytes) to the serial flash starting | |
812 | * at the given address. | |
813 | */ | |
814 | static int t3_write_flash(struct adapter *adapter, unsigned int addr, | |
815 | unsigned int n, const u8 *data) | |
816 | { | |
817 | int ret; | |
818 | u32 buf[64]; | |
819 | unsigned int i, c, left, val, offset = addr & 0xff; | |
820 | ||
821 | if (addr + n > SF_SIZE || offset + n > 256) | |
822 | return -EINVAL; | |
823 | ||
824 | val = swab32(addr) | SF_PROG_PAGE; | |
825 | ||
826 | if ((ret = sf1_write(adapter, 1, 0, SF_WR_ENABLE)) != 0 || | |
827 | (ret = sf1_write(adapter, 4, 1, val)) != 0) | |
828 | return ret; | |
829 | ||
830 | for (left = n; left; left -= c) { | |
831 | c = min(left, 4U); | |
832 | for (val = 0, i = 0; i < c; ++i) | |
833 | val = (val << 8) + *data++; | |
834 | ||
835 | ret = sf1_write(adapter, c, c != left, val); | |
836 | if (ret) | |
837 | return ret; | |
838 | } | |
839 | if ((ret = flash_wait_op(adapter, 5, 1)) != 0) | |
840 | return ret; | |
841 | ||
842 | /* Read the page to verify the write succeeded */ | |
843 | ret = t3_read_flash(adapter, addr & ~0xff, ARRAY_SIZE(buf), buf, 1); | |
844 | if (ret) | |
845 | return ret; | |
846 | ||
847 | if (memcmp(data - n, (u8 *) buf + offset, n)) | |
848 | return -EIO; | |
849 | return 0; | |
850 | } | |
851 | ||
480fe1a3 | 852 | /** |
47330077 | 853 | * t3_get_tp_version - read the tp sram version |
480fe1a3 | 854 | * @adapter: the adapter |
47330077 | 855 | * @vers: where to place the version |
480fe1a3 | 856 | * |
47330077 | 857 | * Reads the protocol sram version from sram. |
480fe1a3 | 858 | */ |
47330077 | 859 | int t3_get_tp_version(struct adapter *adapter, u32 *vers) |
480fe1a3 DLR |
860 | { |
861 | int ret; | |
480fe1a3 DLR |
862 | |
863 | /* Get version loaded in SRAM */ | |
864 | t3_write_reg(adapter, A_TP_EMBED_OP_FIELD0, 0); | |
865 | ret = t3_wait_op_done(adapter, A_TP_EMBED_OP_FIELD0, | |
866 | 1, 1, 5, 1); | |
867 | if (ret) | |
868 | return ret; | |
2eab17ab | 869 | |
47330077 DLR |
870 | *vers = t3_read_reg(adapter, A_TP_EMBED_OP_FIELD1); |
871 | ||
872 | return 0; | |
873 | } | |
874 | ||
875 | /** | |
876 | * t3_check_tpsram_version - read the tp sram version | |
877 | * @adapter: the adapter | |
878 | * @must_load: set to 1 if loading a new microcode image is required | |
879 | * | |
880 | * Reads the protocol sram version from flash. | |
881 | */ | |
882 | int t3_check_tpsram_version(struct adapter *adapter, int *must_load) | |
883 | { | |
884 | int ret; | |
885 | u32 vers; | |
886 | unsigned int major, minor; | |
887 | ||
888 | if (adapter->params.rev == T3_REV_A) | |
889 | return 0; | |
890 | ||
891 | *must_load = 1; | |
892 | ||
893 | ret = t3_get_tp_version(adapter, &vers); | |
894 | if (ret) | |
895 | return ret; | |
480fe1a3 DLR |
896 | |
897 | major = G_TP_VERSION_MAJOR(vers); | |
898 | minor = G_TP_VERSION_MINOR(vers); | |
899 | ||
2eab17ab | 900 | if (major == TP_VERSION_MAJOR && minor == TP_VERSION_MINOR) |
480fe1a3 DLR |
901 | return 0; |
902 | ||
47330077 DLR |
903 | if (major != TP_VERSION_MAJOR) |
904 | CH_ERR(adapter, "found wrong TP version (%u.%u), " | |
905 | "driver needs version %d.%d\n", major, minor, | |
906 | TP_VERSION_MAJOR, TP_VERSION_MINOR); | |
907 | else { | |
908 | *must_load = 0; | |
909 | CH_ERR(adapter, "found wrong TP version (%u.%u), " | |
910 | "driver compiled for version %d.%d\n", major, minor, | |
911 | TP_VERSION_MAJOR, TP_VERSION_MINOR); | |
912 | } | |
480fe1a3 DLR |
913 | return -EINVAL; |
914 | } | |
915 | ||
916 | /** | |
2eab17ab | 917 | * t3_check_tpsram - check if provided protocol SRAM |
480fe1a3 DLR |
918 | * is compatible with this driver |
919 | * @adapter: the adapter | |
920 | * @tp_sram: the firmware image to write | |
921 | * @size: image size | |
922 | * | |
923 | * Checks if an adapter's tp sram is compatible with the driver. | |
924 | * Returns 0 if the versions are compatible, a negative error otherwise. | |
925 | */ | |
2c733a16 DW |
926 | int t3_check_tpsram(struct adapter *adapter, const u8 *tp_sram, |
927 | unsigned int size) | |
480fe1a3 DLR |
928 | { |
929 | u32 csum; | |
930 | unsigned int i; | |
05e5c116 | 931 | const __be32 *p = (const __be32 *)tp_sram; |
480fe1a3 DLR |
932 | |
933 | /* Verify checksum */ | |
934 | for (csum = 0, i = 0; i < size / sizeof(csum); i++) | |
935 | csum += ntohl(p[i]); | |
936 | if (csum != 0xffffffff) { | |
937 | CH_ERR(adapter, "corrupted protocol SRAM image, checksum %u\n", | |
938 | csum); | |
939 | return -EINVAL; | |
940 | } | |
941 | ||
942 | return 0; | |
943 | } | |
944 | ||
4aac3899 DLR |
945 | enum fw_version_type { |
946 | FW_VERSION_N3, | |
947 | FW_VERSION_T3 | |
948 | }; | |
949 | ||
4d22de3e DLR |
950 | /** |
951 | * t3_get_fw_version - read the firmware version | |
952 | * @adapter: the adapter | |
953 | * @vers: where to place the version | |
954 | * | |
955 | * Reads the FW version from flash. | |
956 | */ | |
957 | int t3_get_fw_version(struct adapter *adapter, u32 *vers) | |
958 | { | |
959 | return t3_read_flash(adapter, FW_VERS_ADDR, 1, vers, 0); | |
960 | } | |
961 | ||
962 | /** | |
963 | * t3_check_fw_version - check if the FW is compatible with this driver | |
964 | * @adapter: the adapter | |
a5a3b460 DLR |
965 | * @must_load: set to 1 if loading a new FW image is required |
966 | ||
4d22de3e DLR |
967 | * Checks if an adapter's FW is compatible with the driver. Returns 0 |
968 | * if the versions are compatible, a negative error otherwise. | |
969 | */ | |
a5a3b460 | 970 | int t3_check_fw_version(struct adapter *adapter, int *must_load) |
4d22de3e DLR |
971 | { |
972 | int ret; | |
973 | u32 vers; | |
4aac3899 | 974 | unsigned int type, major, minor; |
4d22de3e | 975 | |
a5a3b460 | 976 | *must_load = 1; |
4d22de3e DLR |
977 | ret = t3_get_fw_version(adapter, &vers); |
978 | if (ret) | |
979 | return ret; | |
980 | ||
4aac3899 DLR |
981 | type = G_FW_VERSION_TYPE(vers); |
982 | major = G_FW_VERSION_MAJOR(vers); | |
983 | minor = G_FW_VERSION_MINOR(vers); | |
4d22de3e | 984 | |
75d8626f DLR |
985 | if (type == FW_VERSION_T3 && major == FW_VERSION_MAJOR && |
986 | minor == FW_VERSION_MINOR) | |
4d22de3e DLR |
987 | return 0; |
988 | ||
a5a3b460 DLR |
989 | if (major != FW_VERSION_MAJOR) |
990 | CH_ERR(adapter, "found wrong FW version(%u.%u), " | |
991 | "driver needs version %u.%u\n", major, minor, | |
992 | FW_VERSION_MAJOR, FW_VERSION_MINOR); | |
273fa904 | 993 | else if (minor < FW_VERSION_MINOR) { |
a5a3b460 | 994 | *must_load = 0; |
273fa904 DLR |
995 | CH_WARN(adapter, "found old FW minor version(%u.%u), " |
996 | "driver compiled for version %u.%u\n", major, minor, | |
997 | FW_VERSION_MAJOR, FW_VERSION_MINOR); | |
998 | } else { | |
999 | CH_WARN(adapter, "found newer FW version(%u.%u), " | |
a5a3b460 DLR |
1000 | "driver compiled for version %u.%u\n", major, minor, |
1001 | FW_VERSION_MAJOR, FW_VERSION_MINOR); | |
273fa904 | 1002 | return 0; |
a5a3b460 | 1003 | } |
4d22de3e DLR |
1004 | return -EINVAL; |
1005 | } | |
1006 | ||
1007 | /** | |
1008 | * t3_flash_erase_sectors - erase a range of flash sectors | |
1009 | * @adapter: the adapter | |
1010 | * @start: the first sector to erase | |
1011 | * @end: the last sector to erase | |
1012 | * | |
1013 | * Erases the sectors in the given range. | |
1014 | */ | |
1015 | static int t3_flash_erase_sectors(struct adapter *adapter, int start, int end) | |
1016 | { | |
1017 | while (start <= end) { | |
1018 | int ret; | |
1019 | ||
1020 | if ((ret = sf1_write(adapter, 1, 0, SF_WR_ENABLE)) != 0 || | |
1021 | (ret = sf1_write(adapter, 4, 0, | |
1022 | SF_ERASE_SECTOR | (start << 8))) != 0 || | |
1023 | (ret = flash_wait_op(adapter, 5, 500)) != 0) | |
1024 | return ret; | |
1025 | start++; | |
1026 | } | |
1027 | return 0; | |
1028 | } | |
1029 | ||
1030 | /* | |
1031 | * t3_load_fw - download firmware | |
1032 | * @adapter: the adapter | |
8a9fab22 | 1033 | * @fw_data: the firmware image to write |
4d22de3e DLR |
1034 | * @size: image size |
1035 | * | |
1036 | * Write the supplied firmware image to the card's serial flash. | |
1037 | * The FW image has the following sections: @size - 8 bytes of code and | |
1038 | * data, followed by 4 bytes of FW version, followed by the 32-bit | |
1039 | * 1's complement checksum of the whole image. | |
1040 | */ | |
1041 | int t3_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size) | |
1042 | { | |
1043 | u32 csum; | |
1044 | unsigned int i; | |
05e5c116 | 1045 | const __be32 *p = (const __be32 *)fw_data; |
4d22de3e DLR |
1046 | int ret, addr, fw_sector = FW_FLASH_BOOT_ADDR >> 16; |
1047 | ||
2e283962 | 1048 | if ((size & 3) || size < FW_MIN_SIZE) |
4d22de3e DLR |
1049 | return -EINVAL; |
1050 | if (size > FW_VERS_ADDR + 8 - FW_FLASH_BOOT_ADDR) | |
1051 | return -EFBIG; | |
1052 | ||
1053 | for (csum = 0, i = 0; i < size / sizeof(csum); i++) | |
1054 | csum += ntohl(p[i]); | |
1055 | if (csum != 0xffffffff) { | |
1056 | CH_ERR(adapter, "corrupted firmware image, checksum %u\n", | |
1057 | csum); | |
1058 | return -EINVAL; | |
1059 | } | |
1060 | ||
1061 | ret = t3_flash_erase_sectors(adapter, fw_sector, fw_sector); | |
1062 | if (ret) | |
1063 | goto out; | |
1064 | ||
1065 | size -= 8; /* trim off version and checksum */ | |
1066 | for (addr = FW_FLASH_BOOT_ADDR; size;) { | |
1067 | unsigned int chunk_size = min(size, 256U); | |
1068 | ||
1069 | ret = t3_write_flash(adapter, addr, chunk_size, fw_data); | |
1070 | if (ret) | |
1071 | goto out; | |
1072 | ||
1073 | addr += chunk_size; | |
1074 | fw_data += chunk_size; | |
1075 | size -= chunk_size; | |
1076 | } | |
1077 | ||
1078 | ret = t3_write_flash(adapter, FW_VERS_ADDR, 4, fw_data); | |
1079 | out: | |
1080 | if (ret) | |
1081 | CH_ERR(adapter, "firmware download failed, error %d\n", ret); | |
1082 | return ret; | |
1083 | } | |
1084 | ||
1085 | #define CIM_CTL_BASE 0x2000 | |
1086 | ||
1087 | /** | |
1088 | * t3_cim_ctl_blk_read - read a block from CIM control region | |
1089 | * | |
1090 | * @adap: the adapter | |
1091 | * @addr: the start address within the CIM control region | |
1092 | * @n: number of words to read | |
1093 | * @valp: where to store the result | |
1094 | * | |
1095 | * Reads a block of 4-byte words from the CIM control region. | |
1096 | */ | |
1097 | int t3_cim_ctl_blk_read(struct adapter *adap, unsigned int addr, | |
1098 | unsigned int n, unsigned int *valp) | |
1099 | { | |
1100 | int ret = 0; | |
1101 | ||
1102 | if (t3_read_reg(adap, A_CIM_HOST_ACC_CTRL) & F_HOSTBUSY) | |
1103 | return -EBUSY; | |
1104 | ||
1105 | for ( ; !ret && n--; addr += 4) { | |
1106 | t3_write_reg(adap, A_CIM_HOST_ACC_CTRL, CIM_CTL_BASE + addr); | |
1107 | ret = t3_wait_op_done(adap, A_CIM_HOST_ACC_CTRL, F_HOSTBUSY, | |
1108 | 0, 5, 2); | |
1109 | if (!ret) | |
1110 | *valp++ = t3_read_reg(adap, A_CIM_HOST_ACC_DATA); | |
1111 | } | |
1112 | return ret; | |
1113 | } | |
1114 | ||
1115 | ||
1116 | /** | |
1117 | * t3_link_changed - handle interface link changes | |
1118 | * @adapter: the adapter | |
1119 | * @port_id: the port index that changed link state | |
1120 | * | |
1121 | * Called when a port's link settings change to propagate the new values | |
1122 | * to the associated PHY and MAC. After performing the common tasks it | |
1123 | * invokes an OS-specific handler. | |
1124 | */ | |
1125 | void t3_link_changed(struct adapter *adapter, int port_id) | |
1126 | { | |
1127 | int link_ok, speed, duplex, fc; | |
1128 | struct port_info *pi = adap2pinfo(adapter, port_id); | |
1129 | struct cphy *phy = &pi->phy; | |
1130 | struct cmac *mac = &pi->mac; | |
1131 | struct link_config *lc = &pi->link_config; | |
1132 | ||
1133 | phy->ops->get_link_status(phy, &link_ok, &speed, &duplex, &fc); | |
1134 | ||
1135 | if (link_ok != lc->link_ok && adapter->params.rev > 0 && | |
1136 | uses_xaui(adapter)) { | |
1137 | if (link_ok) | |
1138 | t3b_pcs_reset(mac); | |
1139 | t3_write_reg(adapter, A_XGM_XAUI_ACT_CTRL + mac->offset, | |
1140 | link_ok ? F_TXACTENABLE | F_RXEN : 0); | |
1141 | } | |
1142 | lc->link_ok = link_ok; | |
1143 | lc->speed = speed < 0 ? SPEED_INVALID : speed; | |
1144 | lc->duplex = duplex < 0 ? DUPLEX_INVALID : duplex; | |
1145 | if (lc->requested_fc & PAUSE_AUTONEG) | |
1146 | fc &= lc->requested_fc; | |
1147 | else | |
1148 | fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); | |
1149 | ||
1150 | if (link_ok && speed >= 0 && lc->autoneg == AUTONEG_ENABLE) { | |
1151 | /* Set MAC speed, duplex, and flow control to match PHY. */ | |
1152 | t3_mac_set_speed_duplex_fc(mac, speed, duplex, fc); | |
1153 | lc->fc = fc; | |
1154 | } | |
1155 | ||
1156 | t3_os_link_changed(adapter, port_id, link_ok, speed, duplex, fc); | |
1157 | } | |
1158 | ||
1159 | /** | |
1160 | * t3_link_start - apply link configuration to MAC/PHY | |
1161 | * @phy: the PHY to setup | |
1162 | * @mac: the MAC to setup | |
1163 | * @lc: the requested link configuration | |
1164 | * | |
1165 | * Set up a port's MAC and PHY according to a desired link configuration. | |
1166 | * - If the PHY can auto-negotiate first decide what to advertise, then | |
1167 | * enable/disable auto-negotiation as desired, and reset. | |
1168 | * - If the PHY does not auto-negotiate just reset it. | |
1169 | * - If auto-negotiation is off set the MAC to the proper speed/duplex/FC, | |
1170 | * otherwise do it later based on the outcome of auto-negotiation. | |
1171 | */ | |
1172 | int t3_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc) | |
1173 | { | |
1174 | unsigned int fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); | |
1175 | ||
1176 | lc->link_ok = 0; | |
1177 | if (lc->supported & SUPPORTED_Autoneg) { | |
1178 | lc->advertising &= ~(ADVERTISED_Asym_Pause | ADVERTISED_Pause); | |
1179 | if (fc) { | |
1180 | lc->advertising |= ADVERTISED_Asym_Pause; | |
1181 | if (fc & PAUSE_RX) | |
1182 | lc->advertising |= ADVERTISED_Pause; | |
1183 | } | |
1184 | phy->ops->advertise(phy, lc->advertising); | |
1185 | ||
1186 | if (lc->autoneg == AUTONEG_DISABLE) { | |
1187 | lc->speed = lc->requested_speed; | |
1188 | lc->duplex = lc->requested_duplex; | |
1189 | lc->fc = (unsigned char)fc; | |
1190 | t3_mac_set_speed_duplex_fc(mac, lc->speed, lc->duplex, | |
1191 | fc); | |
1192 | /* Also disables autoneg */ | |
1193 | phy->ops->set_speed_duplex(phy, lc->speed, lc->duplex); | |
1194 | phy->ops->reset(phy, 0); | |
1195 | } else | |
1196 | phy->ops->autoneg_enable(phy); | |
1197 | } else { | |
1198 | t3_mac_set_speed_duplex_fc(mac, -1, -1, fc); | |
1199 | lc->fc = (unsigned char)fc; | |
1200 | phy->ops->reset(phy, 0); | |
1201 | } | |
1202 | return 0; | |
1203 | } | |
1204 | ||
1205 | /** | |
1206 | * t3_set_vlan_accel - control HW VLAN extraction | |
1207 | * @adapter: the adapter | |
1208 | * @ports: bitmap of adapter ports to operate on | |
1209 | * @on: enable (1) or disable (0) HW VLAN extraction | |
1210 | * | |
1211 | * Enables or disables HW extraction of VLAN tags for the given port. | |
1212 | */ | |
1213 | void t3_set_vlan_accel(struct adapter *adapter, unsigned int ports, int on) | |
1214 | { | |
1215 | t3_set_reg_field(adapter, A_TP_OUT_CONFIG, | |
1216 | ports << S_VLANEXTRACTIONENABLE, | |
1217 | on ? (ports << S_VLANEXTRACTIONENABLE) : 0); | |
1218 | } | |
1219 | ||
1220 | struct intr_info { | |
1221 | unsigned int mask; /* bits to check in interrupt status */ | |
1222 | const char *msg; /* message to print or NULL */ | |
1223 | short stat_idx; /* stat counter to increment or -1 */ | |
1224 | unsigned short fatal:1; /* whether the condition reported is fatal */ | |
1225 | }; | |
1226 | ||
1227 | /** | |
1228 | * t3_handle_intr_status - table driven interrupt handler | |
1229 | * @adapter: the adapter that generated the interrupt | |
1230 | * @reg: the interrupt status register to process | |
1231 | * @mask: a mask to apply to the interrupt status | |
1232 | * @acts: table of interrupt actions | |
1233 | * @stats: statistics counters tracking interrupt occurences | |
1234 | * | |
1235 | * A table driven interrupt handler that applies a set of masks to an | |
1236 | * interrupt status word and performs the corresponding actions if the | |
1237 | * interrupts described by the mask have occured. The actions include | |
1238 | * optionally printing a warning or alert message, and optionally | |
1239 | * incrementing a stat counter. The table is terminated by an entry | |
1240 | * specifying mask 0. Returns the number of fatal interrupt conditions. | |
1241 | */ | |
1242 | static int t3_handle_intr_status(struct adapter *adapter, unsigned int reg, | |
1243 | unsigned int mask, | |
1244 | const struct intr_info *acts, | |
1245 | unsigned long *stats) | |
1246 | { | |
1247 | int fatal = 0; | |
1248 | unsigned int status = t3_read_reg(adapter, reg) & mask; | |
1249 | ||
1250 | for (; acts->mask; ++acts) { | |
1251 | if (!(status & acts->mask)) | |
1252 | continue; | |
1253 | if (acts->fatal) { | |
1254 | fatal++; | |
1255 | CH_ALERT(adapter, "%s (0x%x)\n", | |
1256 | acts->msg, status & acts->mask); | |
1257 | } else if (acts->msg) | |
1258 | CH_WARN(adapter, "%s (0x%x)\n", | |
1259 | acts->msg, status & acts->mask); | |
1260 | if (acts->stat_idx >= 0) | |
1261 | stats[acts->stat_idx]++; | |
1262 | } | |
1263 | if (status) /* clear processed interrupts */ | |
1264 | t3_write_reg(adapter, reg, status); | |
1265 | return fatal; | |
1266 | } | |
1267 | ||
b881955b DLR |
1268 | #define SGE_INTR_MASK (F_RSPQDISABLED | \ |
1269 | F_UC_REQ_FRAMINGERROR | F_R_REQ_FRAMINGERROR | \ | |
1270 | F_CPPARITYERROR | F_OCPARITYERROR | F_RCPARITYERROR | \ | |
1271 | F_IRPARITYERROR | V_ITPARITYERROR(M_ITPARITYERROR) | \ | |
1272 | V_FLPARITYERROR(M_FLPARITYERROR) | F_LODRBPARITYERROR | \ | |
1273 | F_HIDRBPARITYERROR | F_LORCQPARITYERROR | \ | |
1274 | F_HIRCQPARITYERROR) | |
4d22de3e DLR |
1275 | #define MC5_INTR_MASK (F_PARITYERR | F_ACTRGNFULL | F_UNKNOWNCMD | \ |
1276 | F_REQQPARERR | F_DISPQPARERR | F_DELACTEMPTY | \ | |
1277 | F_NFASRCHFAIL) | |
1278 | #define MC7_INTR_MASK (F_AE | F_UE | F_CE | V_PE(M_PE)) | |
1279 | #define XGM_INTR_MASK (V_TXFIFO_PRTY_ERR(M_TXFIFO_PRTY_ERR) | \ | |
1280 | V_RXFIFO_PRTY_ERR(M_RXFIFO_PRTY_ERR) | \ | |
1281 | F_TXFIFO_UNDERRUN | F_RXFIFO_OVERFLOW) | |
1282 | #define PCIX_INTR_MASK (F_MSTDETPARERR | F_SIGTARABT | F_RCVTARABT | \ | |
1283 | F_RCVMSTABT | F_SIGSYSERR | F_DETPARERR | \ | |
1284 | F_SPLCMPDIS | F_UNXSPLCMP | F_RCVSPLCMPERR | \ | |
1285 | F_DETCORECCERR | F_DETUNCECCERR | F_PIOPARERR | \ | |
1286 | V_WFPARERR(M_WFPARERR) | V_RFPARERR(M_RFPARERR) | \ | |
1287 | V_CFPARERR(M_CFPARERR) /* | V_MSIXPARERR(M_MSIXPARERR) */) | |
1288 | #define PCIE_INTR_MASK (F_UNXSPLCPLERRR | F_UNXSPLCPLERRC | F_PCIE_PIOPARERR |\ | |
1289 | F_PCIE_WFPARERR | F_PCIE_RFPARERR | F_PCIE_CFPARERR | \ | |
1290 | /* V_PCIE_MSIXPARERR(M_PCIE_MSIXPARERR) | */ \ | |
b881955b DLR |
1291 | F_RETRYBUFPARERR | F_RETRYLUTPARERR | F_RXPARERR | \ |
1292 | F_TXPARERR | V_BISTERR(M_BISTERR)) | |
1293 | #define ULPRX_INTR_MASK (F_PARERRDATA | F_PARERRPCMD | F_ARBPF1PERR | \ | |
1294 | F_ARBPF0PERR | F_ARBFPERR | F_PCMDMUXPERR | \ | |
1295 | F_DATASELFRAMEERR1 | F_DATASELFRAMEERR0) | |
1296 | #define ULPTX_INTR_MASK 0xfc | |
1297 | #define CPLSW_INTR_MASK (F_CIM_OP_MAP_PERR | F_TP_FRAMING_ERROR | \ | |
4d22de3e DLR |
1298 | F_SGE_FRAMING_ERROR | F_CIM_FRAMING_ERROR | \ |
1299 | F_ZERO_SWITCH_ERROR) | |
1300 | #define CIM_INTR_MASK (F_BLKWRPLINT | F_BLKRDPLINT | F_BLKWRCTLINT | \ | |
1301 | F_BLKRDCTLINT | F_BLKWRFLASHINT | F_BLKRDFLASHINT | \ | |
1302 | F_SGLWRFLASHINT | F_WRBLKFLASHINT | F_BLKWRBOOTINT | \ | |
b881955b DLR |
1303 | F_FLASHRANGEINT | F_SDRAMRANGEINT | F_RSVDSPACEINT | \ |
1304 | F_DRAMPARERR | F_ICACHEPARERR | F_DCACHEPARERR | \ | |
1305 | F_OBQSGEPARERR | F_OBQULPHIPARERR | F_OBQULPLOPARERR | \ | |
1306 | F_IBQSGELOPARERR | F_IBQSGEHIPARERR | F_IBQULPPARERR | \ | |
1307 | F_IBQTPPARERR | F_ITAGPARERR | F_DTAGPARERR) | |
4d22de3e DLR |
1308 | #define PMTX_INTR_MASK (F_ZERO_C_CMD_ERROR | ICSPI_FRM_ERR | OESPI_FRM_ERR | \ |
1309 | V_ICSPI_PAR_ERROR(M_ICSPI_PAR_ERROR) | \ | |
1310 | V_OESPI_PAR_ERROR(M_OESPI_PAR_ERROR)) | |
1311 | #define PMRX_INTR_MASK (F_ZERO_E_CMD_ERROR | IESPI_FRM_ERR | OCSPI_FRM_ERR | \ | |
1312 | V_IESPI_PAR_ERROR(M_IESPI_PAR_ERROR) | \ | |
1313 | V_OCSPI_PAR_ERROR(M_OCSPI_PAR_ERROR)) | |
1314 | #define MPS_INTR_MASK (V_TX0TPPARERRENB(M_TX0TPPARERRENB) | \ | |
1315 | V_TX1TPPARERRENB(M_TX1TPPARERRENB) | \ | |
1316 | V_RXTPPARERRENB(M_RXTPPARERRENB) | \ | |
1317 | V_MCAPARERRENB(M_MCAPARERRENB)) | |
1318 | #define PL_INTR_MASK (F_T3DBG | F_XGMAC0_0 | F_XGMAC0_1 | F_MC5A | F_PM1_TX | \ | |
1319 | F_PM1_RX | F_ULP2_TX | F_ULP2_RX | F_TP1 | F_CIM | \ | |
1320 | F_MC7_CM | F_MC7_PMTX | F_MC7_PMRX | F_SGE3 | F_PCIM0 | \ | |
1321 | F_MPS0 | F_CPL_SWITCH) | |
1322 | ||
1323 | /* | |
1324 | * Interrupt handler for the PCIX1 module. | |
1325 | */ | |
1326 | static void pci_intr_handler(struct adapter *adapter) | |
1327 | { | |
1328 | static const struct intr_info pcix1_intr_info[] = { | |
4d22de3e DLR |
1329 | {F_MSTDETPARERR, "PCI master detected parity error", -1, 1}, |
1330 | {F_SIGTARABT, "PCI signaled target abort", -1, 1}, | |
1331 | {F_RCVTARABT, "PCI received target abort", -1, 1}, | |
1332 | {F_RCVMSTABT, "PCI received master abort", -1, 1}, | |
1333 | {F_SIGSYSERR, "PCI signaled system error", -1, 1}, | |
1334 | {F_DETPARERR, "PCI detected parity error", -1, 1}, | |
1335 | {F_SPLCMPDIS, "PCI split completion discarded", -1, 1}, | |
1336 | {F_UNXSPLCMP, "PCI unexpected split completion error", -1, 1}, | |
1337 | {F_RCVSPLCMPERR, "PCI received split completion error", -1, | |
1338 | 1}, | |
1339 | {F_DETCORECCERR, "PCI correctable ECC error", | |
1340 | STAT_PCI_CORR_ECC, 0}, | |
1341 | {F_DETUNCECCERR, "PCI uncorrectable ECC error", -1, 1}, | |
1342 | {F_PIOPARERR, "PCI PIO FIFO parity error", -1, 1}, | |
1343 | {V_WFPARERR(M_WFPARERR), "PCI write FIFO parity error", -1, | |
1344 | 1}, | |
1345 | {V_RFPARERR(M_RFPARERR), "PCI read FIFO parity error", -1, | |
1346 | 1}, | |
1347 | {V_CFPARERR(M_CFPARERR), "PCI command FIFO parity error", -1, | |
1348 | 1}, | |
1349 | {V_MSIXPARERR(M_MSIXPARERR), "PCI MSI-X table/PBA parity " | |
1350 | "error", -1, 1}, | |
1351 | {0} | |
1352 | }; | |
1353 | ||
1354 | if (t3_handle_intr_status(adapter, A_PCIX_INT_CAUSE, PCIX_INTR_MASK, | |
1355 | pcix1_intr_info, adapter->irq_stats)) | |
1356 | t3_fatal_err(adapter); | |
1357 | } | |
1358 | ||
1359 | /* | |
1360 | * Interrupt handler for the PCIE module. | |
1361 | */ | |
1362 | static void pcie_intr_handler(struct adapter *adapter) | |
1363 | { | |
1364 | static const struct intr_info pcie_intr_info[] = { | |
b5a44bcb | 1365 | {F_PEXERR, "PCI PEX error", -1, 1}, |
4d22de3e DLR |
1366 | {F_UNXSPLCPLERRR, |
1367 | "PCI unexpected split completion DMA read error", -1, 1}, | |
1368 | {F_UNXSPLCPLERRC, | |
1369 | "PCI unexpected split completion DMA command error", -1, 1}, | |
1370 | {F_PCIE_PIOPARERR, "PCI PIO FIFO parity error", -1, 1}, | |
1371 | {F_PCIE_WFPARERR, "PCI write FIFO parity error", -1, 1}, | |
1372 | {F_PCIE_RFPARERR, "PCI read FIFO parity error", -1, 1}, | |
1373 | {F_PCIE_CFPARERR, "PCI command FIFO parity error", -1, 1}, | |
1374 | {V_PCIE_MSIXPARERR(M_PCIE_MSIXPARERR), | |
1375 | "PCI MSI-X table/PBA parity error", -1, 1}, | |
b881955b DLR |
1376 | {F_RETRYBUFPARERR, "PCI retry buffer parity error", -1, 1}, |
1377 | {F_RETRYLUTPARERR, "PCI retry LUT parity error", -1, 1}, | |
1378 | {F_RXPARERR, "PCI Rx parity error", -1, 1}, | |
1379 | {F_TXPARERR, "PCI Tx parity error", -1, 1}, | |
4d22de3e DLR |
1380 | {V_BISTERR(M_BISTERR), "PCI BIST error", -1, 1}, |
1381 | {0} | |
1382 | }; | |
1383 | ||
3eea3337 DLR |
1384 | if (t3_read_reg(adapter, A_PCIE_INT_CAUSE) & F_PEXERR) |
1385 | CH_ALERT(adapter, "PEX error code 0x%x\n", | |
1386 | t3_read_reg(adapter, A_PCIE_PEX_ERR)); | |
1387 | ||
4d22de3e DLR |
1388 | if (t3_handle_intr_status(adapter, A_PCIE_INT_CAUSE, PCIE_INTR_MASK, |
1389 | pcie_intr_info, adapter->irq_stats)) | |
1390 | t3_fatal_err(adapter); | |
1391 | } | |
1392 | ||
1393 | /* | |
1394 | * TP interrupt handler. | |
1395 | */ | |
1396 | static void tp_intr_handler(struct adapter *adapter) | |
1397 | { | |
1398 | static const struct intr_info tp_intr_info[] = { | |
1399 | {0xffffff, "TP parity error", -1, 1}, | |
1400 | {0x1000000, "TP out of Rx pages", -1, 1}, | |
1401 | {0x2000000, "TP out of Tx pages", -1, 1}, | |
1402 | {0} | |
1403 | }; | |
1404 | ||
a2604be5 | 1405 | static struct intr_info tp_intr_info_t3c[] = { |
b881955b DLR |
1406 | {0x1fffffff, "TP parity error", -1, 1}, |
1407 | {F_FLMRXFLSTEMPTY, "TP out of Rx pages", -1, 1}, | |
1408 | {F_FLMTXFLSTEMPTY, "TP out of Tx pages", -1, 1}, | |
1409 | {0} | |
a2604be5 DLR |
1410 | }; |
1411 | ||
4d22de3e | 1412 | if (t3_handle_intr_status(adapter, A_TP_INT_CAUSE, 0xffffffff, |
a2604be5 | 1413 | adapter->params.rev < T3_REV_C ? |
b881955b | 1414 | tp_intr_info : tp_intr_info_t3c, NULL)) |
4d22de3e DLR |
1415 | t3_fatal_err(adapter); |
1416 | } | |
1417 | ||
1418 | /* | |
1419 | * CIM interrupt handler. | |
1420 | */ | |
1421 | static void cim_intr_handler(struct adapter *adapter) | |
1422 | { | |
1423 | static const struct intr_info cim_intr_info[] = { | |
1424 | {F_RSVDSPACEINT, "CIM reserved space write", -1, 1}, | |
1425 | {F_SDRAMRANGEINT, "CIM SDRAM address out of range", -1, 1}, | |
1426 | {F_FLASHRANGEINT, "CIM flash address out of range", -1, 1}, | |
1427 | {F_BLKWRBOOTINT, "CIM block write to boot space", -1, 1}, | |
1428 | {F_WRBLKFLASHINT, "CIM write to cached flash space", -1, 1}, | |
1429 | {F_SGLWRFLASHINT, "CIM single write to flash space", -1, 1}, | |
1430 | {F_BLKRDFLASHINT, "CIM block read from flash space", -1, 1}, | |
1431 | {F_BLKWRFLASHINT, "CIM block write to flash space", -1, 1}, | |
1432 | {F_BLKRDCTLINT, "CIM block read from CTL space", -1, 1}, | |
1433 | {F_BLKWRCTLINT, "CIM block write to CTL space", -1, 1}, | |
1434 | {F_BLKRDPLINT, "CIM block read from PL space", -1, 1}, | |
1435 | {F_BLKWRPLINT, "CIM block write to PL space", -1, 1}, | |
b881955b DLR |
1436 | {F_DRAMPARERR, "CIM DRAM parity error", -1, 1}, |
1437 | {F_ICACHEPARERR, "CIM icache parity error", -1, 1}, | |
1438 | {F_DCACHEPARERR, "CIM dcache parity error", -1, 1}, | |
1439 | {F_OBQSGEPARERR, "CIM OBQ SGE parity error", -1, 1}, | |
1440 | {F_OBQULPHIPARERR, "CIM OBQ ULPHI parity error", -1, 1}, | |
1441 | {F_OBQULPLOPARERR, "CIM OBQ ULPLO parity error", -1, 1}, | |
1442 | {F_IBQSGELOPARERR, "CIM IBQ SGELO parity error", -1, 1}, | |
1443 | {F_IBQSGEHIPARERR, "CIM IBQ SGEHI parity error", -1, 1}, | |
1444 | {F_IBQULPPARERR, "CIM IBQ ULP parity error", -1, 1}, | |
1445 | {F_IBQTPPARERR, "CIM IBQ TP parity error", -1, 1}, | |
1446 | {F_ITAGPARERR, "CIM itag parity error", -1, 1}, | |
1447 | {F_DTAGPARERR, "CIM dtag parity error", -1, 1}, | |
4d22de3e DLR |
1448 | {0} |
1449 | }; | |
1450 | ||
1451 | if (t3_handle_intr_status(adapter, A_CIM_HOST_INT_CAUSE, 0xffffffff, | |
1452 | cim_intr_info, NULL)) | |
1453 | t3_fatal_err(adapter); | |
1454 | } | |
1455 | ||
1456 | /* | |
1457 | * ULP RX interrupt handler. | |
1458 | */ | |
1459 | static void ulprx_intr_handler(struct adapter *adapter) | |
1460 | { | |
1461 | static const struct intr_info ulprx_intr_info[] = { | |
b881955b DLR |
1462 | {F_PARERRDATA, "ULP RX data parity error", -1, 1}, |
1463 | {F_PARERRPCMD, "ULP RX command parity error", -1, 1}, | |
1464 | {F_ARBPF1PERR, "ULP RX ArbPF1 parity error", -1, 1}, | |
1465 | {F_ARBPF0PERR, "ULP RX ArbPF0 parity error", -1, 1}, | |
1466 | {F_ARBFPERR, "ULP RX ArbF parity error", -1, 1}, | |
1467 | {F_PCMDMUXPERR, "ULP RX PCMDMUX parity error", -1, 1}, | |
1468 | {F_DATASELFRAMEERR1, "ULP RX frame error", -1, 1}, | |
1469 | {F_DATASELFRAMEERR0, "ULP RX frame error", -1, 1}, | |
4d22de3e DLR |
1470 | {0} |
1471 | }; | |
1472 | ||
1473 | if (t3_handle_intr_status(adapter, A_ULPRX_INT_CAUSE, 0xffffffff, | |
1474 | ulprx_intr_info, NULL)) | |
1475 | t3_fatal_err(adapter); | |
1476 | } | |
1477 | ||
1478 | /* | |
1479 | * ULP TX interrupt handler. | |
1480 | */ | |
1481 | static void ulptx_intr_handler(struct adapter *adapter) | |
1482 | { | |
1483 | static const struct intr_info ulptx_intr_info[] = { | |
1484 | {F_PBL_BOUND_ERR_CH0, "ULP TX channel 0 PBL out of bounds", | |
1485 | STAT_ULP_CH0_PBL_OOB, 0}, | |
1486 | {F_PBL_BOUND_ERR_CH1, "ULP TX channel 1 PBL out of bounds", | |
1487 | STAT_ULP_CH1_PBL_OOB, 0}, | |
b881955b | 1488 | {0xfc, "ULP TX parity error", -1, 1}, |
4d22de3e DLR |
1489 | {0} |
1490 | }; | |
1491 | ||
1492 | if (t3_handle_intr_status(adapter, A_ULPTX_INT_CAUSE, 0xffffffff, | |
1493 | ulptx_intr_info, adapter->irq_stats)) | |
1494 | t3_fatal_err(adapter); | |
1495 | } | |
1496 | ||
1497 | #define ICSPI_FRM_ERR (F_ICSPI0_FIFO2X_RX_FRAMING_ERROR | \ | |
1498 | F_ICSPI1_FIFO2X_RX_FRAMING_ERROR | F_ICSPI0_RX_FRAMING_ERROR | \ | |
1499 | F_ICSPI1_RX_FRAMING_ERROR | F_ICSPI0_TX_FRAMING_ERROR | \ | |
1500 | F_ICSPI1_TX_FRAMING_ERROR) | |
1501 | #define OESPI_FRM_ERR (F_OESPI0_RX_FRAMING_ERROR | \ | |
1502 | F_OESPI1_RX_FRAMING_ERROR | F_OESPI0_TX_FRAMING_ERROR | \ | |
1503 | F_OESPI1_TX_FRAMING_ERROR | F_OESPI0_OFIFO2X_TX_FRAMING_ERROR | \ | |
1504 | F_OESPI1_OFIFO2X_TX_FRAMING_ERROR) | |
1505 | ||
1506 | /* | |
1507 | * PM TX interrupt handler. | |
1508 | */ | |
1509 | static void pmtx_intr_handler(struct adapter *adapter) | |
1510 | { | |
1511 | static const struct intr_info pmtx_intr_info[] = { | |
1512 | {F_ZERO_C_CMD_ERROR, "PMTX 0-length pcmd", -1, 1}, | |
1513 | {ICSPI_FRM_ERR, "PMTX ispi framing error", -1, 1}, | |
1514 | {OESPI_FRM_ERR, "PMTX ospi framing error", -1, 1}, | |
1515 | {V_ICSPI_PAR_ERROR(M_ICSPI_PAR_ERROR), | |
1516 | "PMTX ispi parity error", -1, 1}, | |
1517 | {V_OESPI_PAR_ERROR(M_OESPI_PAR_ERROR), | |
1518 | "PMTX ospi parity error", -1, 1}, | |
1519 | {0} | |
1520 | }; | |
1521 | ||
1522 | if (t3_handle_intr_status(adapter, A_PM1_TX_INT_CAUSE, 0xffffffff, | |
1523 | pmtx_intr_info, NULL)) | |
1524 | t3_fatal_err(adapter); | |
1525 | } | |
1526 | ||
1527 | #define IESPI_FRM_ERR (F_IESPI0_FIFO2X_RX_FRAMING_ERROR | \ | |
1528 | F_IESPI1_FIFO2X_RX_FRAMING_ERROR | F_IESPI0_RX_FRAMING_ERROR | \ | |
1529 | F_IESPI1_RX_FRAMING_ERROR | F_IESPI0_TX_FRAMING_ERROR | \ | |
1530 | F_IESPI1_TX_FRAMING_ERROR) | |
1531 | #define OCSPI_FRM_ERR (F_OCSPI0_RX_FRAMING_ERROR | \ | |
1532 | F_OCSPI1_RX_FRAMING_ERROR | F_OCSPI0_TX_FRAMING_ERROR | \ | |
1533 | F_OCSPI1_TX_FRAMING_ERROR | F_OCSPI0_OFIFO2X_TX_FRAMING_ERROR | \ | |
1534 | F_OCSPI1_OFIFO2X_TX_FRAMING_ERROR) | |
1535 | ||
1536 | /* | |
1537 | * PM RX interrupt handler. | |
1538 | */ | |
1539 | static void pmrx_intr_handler(struct adapter *adapter) | |
1540 | { | |
1541 | static const struct intr_info pmrx_intr_info[] = { | |
1542 | {F_ZERO_E_CMD_ERROR, "PMRX 0-length pcmd", -1, 1}, | |
1543 | {IESPI_FRM_ERR, "PMRX ispi framing error", -1, 1}, | |
1544 | {OCSPI_FRM_ERR, "PMRX ospi framing error", -1, 1}, | |
1545 | {V_IESPI_PAR_ERROR(M_IESPI_PAR_ERROR), | |
1546 | "PMRX ispi parity error", -1, 1}, | |
1547 | {V_OCSPI_PAR_ERROR(M_OCSPI_PAR_ERROR), | |
1548 | "PMRX ospi parity error", -1, 1}, | |
1549 | {0} | |
1550 | }; | |
1551 | ||
1552 | if (t3_handle_intr_status(adapter, A_PM1_RX_INT_CAUSE, 0xffffffff, | |
1553 | pmrx_intr_info, NULL)) | |
1554 | t3_fatal_err(adapter); | |
1555 | } | |
1556 | ||
1557 | /* | |
1558 | * CPL switch interrupt handler. | |
1559 | */ | |
1560 | static void cplsw_intr_handler(struct adapter *adapter) | |
1561 | { | |
1562 | static const struct intr_info cplsw_intr_info[] = { | |
b881955b DLR |
1563 | {F_CIM_OP_MAP_PERR, "CPL switch CIM parity error", -1, 1}, |
1564 | {F_CIM_OVFL_ERROR, "CPL switch CIM overflow", -1, 1}, | |
4d22de3e DLR |
1565 | {F_TP_FRAMING_ERROR, "CPL switch TP framing error", -1, 1}, |
1566 | {F_SGE_FRAMING_ERROR, "CPL switch SGE framing error", -1, 1}, | |
1567 | {F_CIM_FRAMING_ERROR, "CPL switch CIM framing error", -1, 1}, | |
1568 | {F_ZERO_SWITCH_ERROR, "CPL switch no-switch error", -1, 1}, | |
1569 | {0} | |
1570 | }; | |
1571 | ||
1572 | if (t3_handle_intr_status(adapter, A_CPL_INTR_CAUSE, 0xffffffff, | |
1573 | cplsw_intr_info, NULL)) | |
1574 | t3_fatal_err(adapter); | |
1575 | } | |
1576 | ||
1577 | /* | |
1578 | * MPS interrupt handler. | |
1579 | */ | |
1580 | static void mps_intr_handler(struct adapter *adapter) | |
1581 | { | |
1582 | static const struct intr_info mps_intr_info[] = { | |
1583 | {0x1ff, "MPS parity error", -1, 1}, | |
1584 | {0} | |
1585 | }; | |
1586 | ||
1587 | if (t3_handle_intr_status(adapter, A_MPS_INT_CAUSE, 0xffffffff, | |
1588 | mps_intr_info, NULL)) | |
1589 | t3_fatal_err(adapter); | |
1590 | } | |
1591 | ||
1592 | #define MC7_INTR_FATAL (F_UE | V_PE(M_PE) | F_AE) | |
1593 | ||
1594 | /* | |
1595 | * MC7 interrupt handler. | |
1596 | */ | |
1597 | static void mc7_intr_handler(struct mc7 *mc7) | |
1598 | { | |
1599 | struct adapter *adapter = mc7->adapter; | |
1600 | u32 cause = t3_read_reg(adapter, mc7->offset + A_MC7_INT_CAUSE); | |
1601 | ||
1602 | if (cause & F_CE) { | |
1603 | mc7->stats.corr_err++; | |
1604 | CH_WARN(adapter, "%s MC7 correctable error at addr 0x%x, " | |
1605 | "data 0x%x 0x%x 0x%x\n", mc7->name, | |
1606 | t3_read_reg(adapter, mc7->offset + A_MC7_CE_ADDR), | |
1607 | t3_read_reg(adapter, mc7->offset + A_MC7_CE_DATA0), | |
1608 | t3_read_reg(adapter, mc7->offset + A_MC7_CE_DATA1), | |
1609 | t3_read_reg(adapter, mc7->offset + A_MC7_CE_DATA2)); | |
1610 | } | |
1611 | ||
1612 | if (cause & F_UE) { | |
1613 | mc7->stats.uncorr_err++; | |
1614 | CH_ALERT(adapter, "%s MC7 uncorrectable error at addr 0x%x, " | |
1615 | "data 0x%x 0x%x 0x%x\n", mc7->name, | |
1616 | t3_read_reg(adapter, mc7->offset + A_MC7_UE_ADDR), | |
1617 | t3_read_reg(adapter, mc7->offset + A_MC7_UE_DATA0), | |
1618 | t3_read_reg(adapter, mc7->offset + A_MC7_UE_DATA1), | |
1619 | t3_read_reg(adapter, mc7->offset + A_MC7_UE_DATA2)); | |
1620 | } | |
1621 | ||
1622 | if (G_PE(cause)) { | |
1623 | mc7->stats.parity_err++; | |
1624 | CH_ALERT(adapter, "%s MC7 parity error 0x%x\n", | |
1625 | mc7->name, G_PE(cause)); | |
1626 | } | |
1627 | ||
1628 | if (cause & F_AE) { | |
1629 | u32 addr = 0; | |
1630 | ||
1631 | if (adapter->params.rev > 0) | |
1632 | addr = t3_read_reg(adapter, | |
1633 | mc7->offset + A_MC7_ERR_ADDR); | |
1634 | mc7->stats.addr_err++; | |
1635 | CH_ALERT(adapter, "%s MC7 address error: 0x%x\n", | |
1636 | mc7->name, addr); | |
1637 | } | |
1638 | ||
1639 | if (cause & MC7_INTR_FATAL) | |
1640 | t3_fatal_err(adapter); | |
1641 | ||
1642 | t3_write_reg(adapter, mc7->offset + A_MC7_INT_CAUSE, cause); | |
1643 | } | |
1644 | ||
1645 | #define XGM_INTR_FATAL (V_TXFIFO_PRTY_ERR(M_TXFIFO_PRTY_ERR) | \ | |
1646 | V_RXFIFO_PRTY_ERR(M_RXFIFO_PRTY_ERR)) | |
1647 | /* | |
1648 | * XGMAC interrupt handler. | |
1649 | */ | |
1650 | static int mac_intr_handler(struct adapter *adap, unsigned int idx) | |
1651 | { | |
1652 | struct cmac *mac = &adap2pinfo(adap, idx)->mac; | |
1653 | u32 cause = t3_read_reg(adap, A_XGM_INT_CAUSE + mac->offset); | |
1654 | ||
1655 | if (cause & V_TXFIFO_PRTY_ERR(M_TXFIFO_PRTY_ERR)) { | |
1656 | mac->stats.tx_fifo_parity_err++; | |
1657 | CH_ALERT(adap, "port%d: MAC TX FIFO parity error\n", idx); | |
1658 | } | |
1659 | if (cause & V_RXFIFO_PRTY_ERR(M_RXFIFO_PRTY_ERR)) { | |
1660 | mac->stats.rx_fifo_parity_err++; | |
1661 | CH_ALERT(adap, "port%d: MAC RX FIFO parity error\n", idx); | |
1662 | } | |
1663 | if (cause & F_TXFIFO_UNDERRUN) | |
1664 | mac->stats.tx_fifo_urun++; | |
1665 | if (cause & F_RXFIFO_OVERFLOW) | |
1666 | mac->stats.rx_fifo_ovfl++; | |
1667 | if (cause & V_SERDES_LOS(M_SERDES_LOS)) | |
1668 | mac->stats.serdes_signal_loss++; | |
1669 | if (cause & F_XAUIPCSCTCERR) | |
1670 | mac->stats.xaui_pcs_ctc_err++; | |
1671 | if (cause & F_XAUIPCSALIGNCHANGE) | |
1672 | mac->stats.xaui_pcs_align_change++; | |
1673 | ||
1674 | t3_write_reg(adap, A_XGM_INT_CAUSE + mac->offset, cause); | |
1675 | if (cause & XGM_INTR_FATAL) | |
1676 | t3_fatal_err(adap); | |
1677 | return cause != 0; | |
1678 | } | |
1679 | ||
1680 | /* | |
1681 | * Interrupt handler for PHY events. | |
1682 | */ | |
1683 | int t3_phy_intr_handler(struct adapter *adapter) | |
1684 | { | |
1ca03cbc | 1685 | u32 mask, gpi = adapter_info(adapter)->gpio_intr; |
4d22de3e DLR |
1686 | u32 i, cause = t3_read_reg(adapter, A_T3DBG_INT_CAUSE); |
1687 | ||
1688 | for_each_port(adapter, i) { | |
1ca03cbc DLR |
1689 | struct port_info *p = adap2pinfo(adapter, i); |
1690 | ||
1691 | mask = gpi - (gpi & (gpi - 1)); | |
1692 | gpi -= mask; | |
1693 | ||
1694 | if (!(p->port_type->caps & SUPPORTED_IRQ)) | |
1695 | continue; | |
1696 | ||
1697 | if (cause & mask) { | |
1698 | int phy_cause = p->phy.ops->intr_handler(&p->phy); | |
4d22de3e DLR |
1699 | |
1700 | if (phy_cause & cphy_cause_link_change) | |
1701 | t3_link_changed(adapter, i); | |
1702 | if (phy_cause & cphy_cause_fifo_error) | |
1ca03cbc | 1703 | p->phy.fifo_errors++; |
4d22de3e DLR |
1704 | } |
1705 | } | |
1706 | ||
1707 | t3_write_reg(adapter, A_T3DBG_INT_CAUSE, cause); | |
1708 | return 0; | |
1709 | } | |
1710 | ||
1711 | /* | |
1712 | * T3 slow path (non-data) interrupt handler. | |
1713 | */ | |
1714 | int t3_slow_intr_handler(struct adapter *adapter) | |
1715 | { | |
1716 | u32 cause = t3_read_reg(adapter, A_PL_INT_CAUSE0); | |
1717 | ||
1718 | cause &= adapter->slow_intr_mask; | |
1719 | if (!cause) | |
1720 | return 0; | |
1721 | if (cause & F_PCIM0) { | |
1722 | if (is_pcie(adapter)) | |
1723 | pcie_intr_handler(adapter); | |
1724 | else | |
1725 | pci_intr_handler(adapter); | |
1726 | } | |
1727 | if (cause & F_SGE3) | |
1728 | t3_sge_err_intr_handler(adapter); | |
1729 | if (cause & F_MC7_PMRX) | |
1730 | mc7_intr_handler(&adapter->pmrx); | |
1731 | if (cause & F_MC7_PMTX) | |
1732 | mc7_intr_handler(&adapter->pmtx); | |
1733 | if (cause & F_MC7_CM) | |
1734 | mc7_intr_handler(&adapter->cm); | |
1735 | if (cause & F_CIM) | |
1736 | cim_intr_handler(adapter); | |
1737 | if (cause & F_TP1) | |
1738 | tp_intr_handler(adapter); | |
1739 | if (cause & F_ULP2_RX) | |
1740 | ulprx_intr_handler(adapter); | |
1741 | if (cause & F_ULP2_TX) | |
1742 | ulptx_intr_handler(adapter); | |
1743 | if (cause & F_PM1_RX) | |
1744 | pmrx_intr_handler(adapter); | |
1745 | if (cause & F_PM1_TX) | |
1746 | pmtx_intr_handler(adapter); | |
1747 | if (cause & F_CPL_SWITCH) | |
1748 | cplsw_intr_handler(adapter); | |
1749 | if (cause & F_MPS0) | |
1750 | mps_intr_handler(adapter); | |
1751 | if (cause & F_MC5A) | |
1752 | t3_mc5_intr_handler(&adapter->mc5); | |
1753 | if (cause & F_XGMAC0_0) | |
1754 | mac_intr_handler(adapter, 0); | |
1755 | if (cause & F_XGMAC0_1) | |
1756 | mac_intr_handler(adapter, 1); | |
1757 | if (cause & F_T3DBG) | |
1758 | t3_os_ext_intr_handler(adapter); | |
1759 | ||
1760 | /* Clear the interrupts just processed. */ | |
1761 | t3_write_reg(adapter, A_PL_INT_CAUSE0, cause); | |
1762 | t3_read_reg(adapter, A_PL_INT_CAUSE0); /* flush */ | |
1763 | return 1; | |
1764 | } | |
1765 | ||
1766 | /** | |
1767 | * t3_intr_enable - enable interrupts | |
1768 | * @adapter: the adapter whose interrupts should be enabled | |
1769 | * | |
1770 | * Enable interrupts by setting the interrupt enable registers of the | |
1771 | * various HW modules and then enabling the top-level interrupt | |
1772 | * concentrator. | |
1773 | */ | |
1774 | void t3_intr_enable(struct adapter *adapter) | |
1775 | { | |
1776 | static const struct addr_val_pair intr_en_avp[] = { | |
1777 | {A_SG_INT_ENABLE, SGE_INTR_MASK}, | |
1778 | {A_MC7_INT_ENABLE, MC7_INTR_MASK}, | |
1779 | {A_MC7_INT_ENABLE - MC7_PMRX_BASE_ADDR + MC7_PMTX_BASE_ADDR, | |
1780 | MC7_INTR_MASK}, | |
1781 | {A_MC7_INT_ENABLE - MC7_PMRX_BASE_ADDR + MC7_CM_BASE_ADDR, | |
1782 | MC7_INTR_MASK}, | |
1783 | {A_MC5_DB_INT_ENABLE, MC5_INTR_MASK}, | |
1784 | {A_ULPRX_INT_ENABLE, ULPRX_INTR_MASK}, | |
4d22de3e DLR |
1785 | {A_PM1_TX_INT_ENABLE, PMTX_INTR_MASK}, |
1786 | {A_PM1_RX_INT_ENABLE, PMRX_INTR_MASK}, | |
1787 | {A_CIM_HOST_INT_ENABLE, CIM_INTR_MASK}, | |
1788 | {A_MPS_INT_ENABLE, MPS_INTR_MASK}, | |
1789 | }; | |
1790 | ||
1791 | adapter->slow_intr_mask = PL_INTR_MASK; | |
1792 | ||
1793 | t3_write_regs(adapter, intr_en_avp, ARRAY_SIZE(intr_en_avp), 0); | |
a2604be5 DLR |
1794 | t3_write_reg(adapter, A_TP_INT_ENABLE, |
1795 | adapter->params.rev >= T3_REV_C ? 0x2bfffff : 0x3bfffff); | |
4d22de3e DLR |
1796 | |
1797 | if (adapter->params.rev > 0) { | |
1798 | t3_write_reg(adapter, A_CPL_INTR_ENABLE, | |
1799 | CPLSW_INTR_MASK | F_CIM_OVFL_ERROR); | |
1800 | t3_write_reg(adapter, A_ULPTX_INT_ENABLE, | |
1801 | ULPTX_INTR_MASK | F_PBL_BOUND_ERR_CH0 | | |
1802 | F_PBL_BOUND_ERR_CH1); | |
1803 | } else { | |
1804 | t3_write_reg(adapter, A_CPL_INTR_ENABLE, CPLSW_INTR_MASK); | |
1805 | t3_write_reg(adapter, A_ULPTX_INT_ENABLE, ULPTX_INTR_MASK); | |
1806 | } | |
1807 | ||
1808 | t3_write_reg(adapter, A_T3DBG_GPIO_ACT_LOW, | |
1809 | adapter_info(adapter)->gpio_intr); | |
1810 | t3_write_reg(adapter, A_T3DBG_INT_ENABLE, | |
1811 | adapter_info(adapter)->gpio_intr); | |
1812 | if (is_pcie(adapter)) | |
1813 | t3_write_reg(adapter, A_PCIE_INT_ENABLE, PCIE_INTR_MASK); | |
1814 | else | |
1815 | t3_write_reg(adapter, A_PCIX_INT_ENABLE, PCIX_INTR_MASK); | |
1816 | t3_write_reg(adapter, A_PL_INT_ENABLE0, adapter->slow_intr_mask); | |
1817 | t3_read_reg(adapter, A_PL_INT_ENABLE0); /* flush */ | |
1818 | } | |
1819 | ||
1820 | /** | |
1821 | * t3_intr_disable - disable a card's interrupts | |
1822 | * @adapter: the adapter whose interrupts should be disabled | |
1823 | * | |
1824 | * Disable interrupts. We only disable the top-level interrupt | |
1825 | * concentrator and the SGE data interrupts. | |
1826 | */ | |
1827 | void t3_intr_disable(struct adapter *adapter) | |
1828 | { | |
1829 | t3_write_reg(adapter, A_PL_INT_ENABLE0, 0); | |
1830 | t3_read_reg(adapter, A_PL_INT_ENABLE0); /* flush */ | |
1831 | adapter->slow_intr_mask = 0; | |
1832 | } | |
1833 | ||
1834 | /** | |
1835 | * t3_intr_clear - clear all interrupts | |
1836 | * @adapter: the adapter whose interrupts should be cleared | |
1837 | * | |
1838 | * Clears all interrupts. | |
1839 | */ | |
1840 | void t3_intr_clear(struct adapter *adapter) | |
1841 | { | |
1842 | static const unsigned int cause_reg_addr[] = { | |
1843 | A_SG_INT_CAUSE, | |
1844 | A_SG_RSPQ_FL_STATUS, | |
1845 | A_PCIX_INT_CAUSE, | |
1846 | A_MC7_INT_CAUSE, | |
1847 | A_MC7_INT_CAUSE - MC7_PMRX_BASE_ADDR + MC7_PMTX_BASE_ADDR, | |
1848 | A_MC7_INT_CAUSE - MC7_PMRX_BASE_ADDR + MC7_CM_BASE_ADDR, | |
1849 | A_CIM_HOST_INT_CAUSE, | |
1850 | A_TP_INT_CAUSE, | |
1851 | A_MC5_DB_INT_CAUSE, | |
1852 | A_ULPRX_INT_CAUSE, | |
1853 | A_ULPTX_INT_CAUSE, | |
1854 | A_CPL_INTR_CAUSE, | |
1855 | A_PM1_TX_INT_CAUSE, | |
1856 | A_PM1_RX_INT_CAUSE, | |
1857 | A_MPS_INT_CAUSE, | |
1858 | A_T3DBG_INT_CAUSE, | |
1859 | }; | |
1860 | unsigned int i; | |
1861 | ||
1862 | /* Clear PHY and MAC interrupts for each port. */ | |
1863 | for_each_port(adapter, i) | |
1864 | t3_port_intr_clear(adapter, i); | |
1865 | ||
1866 | for (i = 0; i < ARRAY_SIZE(cause_reg_addr); ++i) | |
1867 | t3_write_reg(adapter, cause_reg_addr[i], 0xffffffff); | |
1868 | ||
3eea3337 DLR |
1869 | if (is_pcie(adapter)) |
1870 | t3_write_reg(adapter, A_PCIE_PEX_ERR, 0xffffffff); | |
4d22de3e DLR |
1871 | t3_write_reg(adapter, A_PL_INT_CAUSE0, 0xffffffff); |
1872 | t3_read_reg(adapter, A_PL_INT_CAUSE0); /* flush */ | |
1873 | } | |
1874 | ||
1875 | /** | |
1876 | * t3_port_intr_enable - enable port-specific interrupts | |
1877 | * @adapter: associated adapter | |
1878 | * @idx: index of port whose interrupts should be enabled | |
1879 | * | |
1880 | * Enable port-specific (i.e., MAC and PHY) interrupts for the given | |
1881 | * adapter port. | |
1882 | */ | |
1883 | void t3_port_intr_enable(struct adapter *adapter, int idx) | |
1884 | { | |
1885 | struct cphy *phy = &adap2pinfo(adapter, idx)->phy; | |
1886 | ||
1887 | t3_write_reg(adapter, XGM_REG(A_XGM_INT_ENABLE, idx), XGM_INTR_MASK); | |
1888 | t3_read_reg(adapter, XGM_REG(A_XGM_INT_ENABLE, idx)); /* flush */ | |
1889 | phy->ops->intr_enable(phy); | |
1890 | } | |
1891 | ||
1892 | /** | |
1893 | * t3_port_intr_disable - disable port-specific interrupts | |
1894 | * @adapter: associated adapter | |
1895 | * @idx: index of port whose interrupts should be disabled | |
1896 | * | |
1897 | * Disable port-specific (i.e., MAC and PHY) interrupts for the given | |
1898 | * adapter port. | |
1899 | */ | |
1900 | void t3_port_intr_disable(struct adapter *adapter, int idx) | |
1901 | { | |
1902 | struct cphy *phy = &adap2pinfo(adapter, idx)->phy; | |
1903 | ||
1904 | t3_write_reg(adapter, XGM_REG(A_XGM_INT_ENABLE, idx), 0); | |
1905 | t3_read_reg(adapter, XGM_REG(A_XGM_INT_ENABLE, idx)); /* flush */ | |
1906 | phy->ops->intr_disable(phy); | |
1907 | } | |
1908 | ||
1909 | /** | |
1910 | * t3_port_intr_clear - clear port-specific interrupts | |
1911 | * @adapter: associated adapter | |
1912 | * @idx: index of port whose interrupts to clear | |
1913 | * | |
1914 | * Clear port-specific (i.e., MAC and PHY) interrupts for the given | |
1915 | * adapter port. | |
1916 | */ | |
1917 | void t3_port_intr_clear(struct adapter *adapter, int idx) | |
1918 | { | |
1919 | struct cphy *phy = &adap2pinfo(adapter, idx)->phy; | |
1920 | ||
1921 | t3_write_reg(adapter, XGM_REG(A_XGM_INT_CAUSE, idx), 0xffffffff); | |
1922 | t3_read_reg(adapter, XGM_REG(A_XGM_INT_CAUSE, idx)); /* flush */ | |
1923 | phy->ops->intr_clear(phy); | |
1924 | } | |
1925 | ||
bb9366af DLR |
1926 | #define SG_CONTEXT_CMD_ATTEMPTS 100 |
1927 | ||
4d22de3e DLR |
1928 | /** |
1929 | * t3_sge_write_context - write an SGE context | |
1930 | * @adapter: the adapter | |
1931 | * @id: the context id | |
1932 | * @type: the context type | |
1933 | * | |
1934 | * Program an SGE context with the values already loaded in the | |
1935 | * CONTEXT_DATA? registers. | |
1936 | */ | |
1937 | static int t3_sge_write_context(struct adapter *adapter, unsigned int id, | |
1938 | unsigned int type) | |
1939 | { | |
1940 | t3_write_reg(adapter, A_SG_CONTEXT_MASK0, 0xffffffff); | |
1941 | t3_write_reg(adapter, A_SG_CONTEXT_MASK1, 0xffffffff); | |
1942 | t3_write_reg(adapter, A_SG_CONTEXT_MASK2, 0xffffffff); | |
1943 | t3_write_reg(adapter, A_SG_CONTEXT_MASK3, 0xffffffff); | |
1944 | t3_write_reg(adapter, A_SG_CONTEXT_CMD, | |
1945 | V_CONTEXT_CMD_OPCODE(1) | type | V_CONTEXT(id)); | |
1946 | return t3_wait_op_done(adapter, A_SG_CONTEXT_CMD, F_CONTEXT_CMD_BUSY, | |
bb9366af | 1947 | 0, SG_CONTEXT_CMD_ATTEMPTS, 1); |
4d22de3e DLR |
1948 | } |
1949 | ||
b881955b DLR |
1950 | static int clear_sge_ctxt(struct adapter *adap, unsigned int id, |
1951 | unsigned int type) | |
1952 | { | |
1953 | t3_write_reg(adap, A_SG_CONTEXT_DATA0, 0); | |
1954 | t3_write_reg(adap, A_SG_CONTEXT_DATA1, 0); | |
1955 | t3_write_reg(adap, A_SG_CONTEXT_DATA2, 0); | |
1956 | t3_write_reg(adap, A_SG_CONTEXT_DATA3, 0); | |
1957 | return t3_sge_write_context(adap, id, type); | |
1958 | } | |
1959 | ||
4d22de3e DLR |
1960 | /** |
1961 | * t3_sge_init_ecntxt - initialize an SGE egress context | |
1962 | * @adapter: the adapter to configure | |
1963 | * @id: the context id | |
1964 | * @gts_enable: whether to enable GTS for the context | |
1965 | * @type: the egress context type | |
1966 | * @respq: associated response queue | |
1967 | * @base_addr: base address of queue | |
1968 | * @size: number of queue entries | |
1969 | * @token: uP token | |
1970 | * @gen: initial generation value for the context | |
1971 | * @cidx: consumer pointer | |
1972 | * | |
1973 | * Initialize an SGE egress context and make it ready for use. If the | |
1974 | * platform allows concurrent context operations, the caller is | |
1975 | * responsible for appropriate locking. | |
1976 | */ | |
1977 | int t3_sge_init_ecntxt(struct adapter *adapter, unsigned int id, int gts_enable, | |
1978 | enum sge_context_type type, int respq, u64 base_addr, | |
1979 | unsigned int size, unsigned int token, int gen, | |
1980 | unsigned int cidx) | |
1981 | { | |
1982 | unsigned int credits = type == SGE_CNTXT_OFLD ? 0 : FW_WR_NUM; | |
1983 | ||
1984 | if (base_addr & 0xfff) /* must be 4K aligned */ | |
1985 | return -EINVAL; | |
1986 | if (t3_read_reg(adapter, A_SG_CONTEXT_CMD) & F_CONTEXT_CMD_BUSY) | |
1987 | return -EBUSY; | |
1988 | ||
1989 | base_addr >>= 12; | |
1990 | t3_write_reg(adapter, A_SG_CONTEXT_DATA0, V_EC_INDEX(cidx) | | |
1991 | V_EC_CREDITS(credits) | V_EC_GTS(gts_enable)); | |
1992 | t3_write_reg(adapter, A_SG_CONTEXT_DATA1, V_EC_SIZE(size) | | |
1993 | V_EC_BASE_LO(base_addr & 0xffff)); | |
1994 | base_addr >>= 16; | |
1995 | t3_write_reg(adapter, A_SG_CONTEXT_DATA2, base_addr); | |
1996 | base_addr >>= 32; | |
1997 | t3_write_reg(adapter, A_SG_CONTEXT_DATA3, | |
1998 | V_EC_BASE_HI(base_addr & 0xf) | V_EC_RESPQ(respq) | | |
1999 | V_EC_TYPE(type) | V_EC_GEN(gen) | V_EC_UP_TOKEN(token) | | |
2000 | F_EC_VALID); | |
2001 | return t3_sge_write_context(adapter, id, F_EGRESS); | |
2002 | } | |
2003 | ||
2004 | /** | |
2005 | * t3_sge_init_flcntxt - initialize an SGE free-buffer list context | |
2006 | * @adapter: the adapter to configure | |
2007 | * @id: the context id | |
2008 | * @gts_enable: whether to enable GTS for the context | |
2009 | * @base_addr: base address of queue | |
2010 | * @size: number of queue entries | |
2011 | * @bsize: size of each buffer for this queue | |
2012 | * @cong_thres: threshold to signal congestion to upstream producers | |
2013 | * @gen: initial generation value for the context | |
2014 | * @cidx: consumer pointer | |
2015 | * | |
2016 | * Initialize an SGE free list context and make it ready for use. The | |
2017 | * caller is responsible for ensuring only one context operation occurs | |
2018 | * at a time. | |
2019 | */ | |
2020 | int t3_sge_init_flcntxt(struct adapter *adapter, unsigned int id, | |
2021 | int gts_enable, u64 base_addr, unsigned int size, | |
2022 | unsigned int bsize, unsigned int cong_thres, int gen, | |
2023 | unsigned int cidx) | |
2024 | { | |
2025 | if (base_addr & 0xfff) /* must be 4K aligned */ | |
2026 | return -EINVAL; | |
2027 | if (t3_read_reg(adapter, A_SG_CONTEXT_CMD) & F_CONTEXT_CMD_BUSY) | |
2028 | return -EBUSY; | |
2029 | ||
2030 | base_addr >>= 12; | |
2031 | t3_write_reg(adapter, A_SG_CONTEXT_DATA0, base_addr); | |
2032 | base_addr >>= 32; | |
2033 | t3_write_reg(adapter, A_SG_CONTEXT_DATA1, | |
2034 | V_FL_BASE_HI((u32) base_addr) | | |
2035 | V_FL_INDEX_LO(cidx & M_FL_INDEX_LO)); | |
2036 | t3_write_reg(adapter, A_SG_CONTEXT_DATA2, V_FL_SIZE(size) | | |
2037 | V_FL_GEN(gen) | V_FL_INDEX_HI(cidx >> 12) | | |
2038 | V_FL_ENTRY_SIZE_LO(bsize & M_FL_ENTRY_SIZE_LO)); | |
2039 | t3_write_reg(adapter, A_SG_CONTEXT_DATA3, | |
2040 | V_FL_ENTRY_SIZE_HI(bsize >> (32 - S_FL_ENTRY_SIZE_LO)) | | |
2041 | V_FL_CONG_THRES(cong_thres) | V_FL_GTS(gts_enable)); | |
2042 | return t3_sge_write_context(adapter, id, F_FREELIST); | |
2043 | } | |
2044 | ||
2045 | /** | |
2046 | * t3_sge_init_rspcntxt - initialize an SGE response queue context | |
2047 | * @adapter: the adapter to configure | |
2048 | * @id: the context id | |
2049 | * @irq_vec_idx: MSI-X interrupt vector index, 0 if no MSI-X, -1 if no IRQ | |
2050 | * @base_addr: base address of queue | |
2051 | * @size: number of queue entries | |
2052 | * @fl_thres: threshold for selecting the normal or jumbo free list | |
2053 | * @gen: initial generation value for the context | |
2054 | * @cidx: consumer pointer | |
2055 | * | |
2056 | * Initialize an SGE response queue context and make it ready for use. | |
2057 | * The caller is responsible for ensuring only one context operation | |
2058 | * occurs at a time. | |
2059 | */ | |
2060 | int t3_sge_init_rspcntxt(struct adapter *adapter, unsigned int id, | |
2061 | int irq_vec_idx, u64 base_addr, unsigned int size, | |
2062 | unsigned int fl_thres, int gen, unsigned int cidx) | |
2063 | { | |
2064 | unsigned int intr = 0; | |
2065 | ||
2066 | if (base_addr & 0xfff) /* must be 4K aligned */ | |
2067 | return -EINVAL; | |
2068 | if (t3_read_reg(adapter, A_SG_CONTEXT_CMD) & F_CONTEXT_CMD_BUSY) | |
2069 | return -EBUSY; | |
2070 | ||
2071 | base_addr >>= 12; | |
2072 | t3_write_reg(adapter, A_SG_CONTEXT_DATA0, V_CQ_SIZE(size) | | |
2073 | V_CQ_INDEX(cidx)); | |
2074 | t3_write_reg(adapter, A_SG_CONTEXT_DATA1, base_addr); | |
2075 | base_addr >>= 32; | |
2076 | if (irq_vec_idx >= 0) | |
2077 | intr = V_RQ_MSI_VEC(irq_vec_idx) | F_RQ_INTR_EN; | |
2078 | t3_write_reg(adapter, A_SG_CONTEXT_DATA2, | |
2079 | V_CQ_BASE_HI((u32) base_addr) | intr | V_RQ_GEN(gen)); | |
2080 | t3_write_reg(adapter, A_SG_CONTEXT_DATA3, fl_thres); | |
2081 | return t3_sge_write_context(adapter, id, F_RESPONSEQ); | |
2082 | } | |
2083 | ||
2084 | /** | |
2085 | * t3_sge_init_cqcntxt - initialize an SGE completion queue context | |
2086 | * @adapter: the adapter to configure | |
2087 | * @id: the context id | |
2088 | * @base_addr: base address of queue | |
2089 | * @size: number of queue entries | |
2090 | * @rspq: response queue for async notifications | |
2091 | * @ovfl_mode: CQ overflow mode | |
2092 | * @credits: completion queue credits | |
2093 | * @credit_thres: the credit threshold | |
2094 | * | |
2095 | * Initialize an SGE completion queue context and make it ready for use. | |
2096 | * The caller is responsible for ensuring only one context operation | |
2097 | * occurs at a time. | |
2098 | */ | |
2099 | int t3_sge_init_cqcntxt(struct adapter *adapter, unsigned int id, u64 base_addr, | |
2100 | unsigned int size, int rspq, int ovfl_mode, | |
2101 | unsigned int credits, unsigned int credit_thres) | |
2102 | { | |
2103 | if (base_addr & 0xfff) /* must be 4K aligned */ | |
2104 | return -EINVAL; | |
2105 | if (t3_read_reg(adapter, A_SG_CONTEXT_CMD) & F_CONTEXT_CMD_BUSY) | |
2106 | return -EBUSY; | |
2107 | ||
2108 | base_addr >>= 12; | |
2109 | t3_write_reg(adapter, A_SG_CONTEXT_DATA0, V_CQ_SIZE(size)); | |
2110 | t3_write_reg(adapter, A_SG_CONTEXT_DATA1, base_addr); | |
2111 | base_addr >>= 32; | |
2112 | t3_write_reg(adapter, A_SG_CONTEXT_DATA2, | |
2113 | V_CQ_BASE_HI((u32) base_addr) | V_CQ_RSPQ(rspq) | | |
1c17ae8a DLR |
2114 | V_CQ_GEN(1) | V_CQ_OVERFLOW_MODE(ovfl_mode) | |
2115 | V_CQ_ERR(ovfl_mode)); | |
4d22de3e DLR |
2116 | t3_write_reg(adapter, A_SG_CONTEXT_DATA3, V_CQ_CREDITS(credits) | |
2117 | V_CQ_CREDIT_THRES(credit_thres)); | |
2118 | return t3_sge_write_context(adapter, id, F_CQ); | |
2119 | } | |
2120 | ||
2121 | /** | |
2122 | * t3_sge_enable_ecntxt - enable/disable an SGE egress context | |
2123 | * @adapter: the adapter | |
2124 | * @id: the egress context id | |
2125 | * @enable: enable (1) or disable (0) the context | |
2126 | * | |
2127 | * Enable or disable an SGE egress context. The caller is responsible for | |
2128 | * ensuring only one context operation occurs at a time. | |
2129 | */ | |
2130 | int t3_sge_enable_ecntxt(struct adapter *adapter, unsigned int id, int enable) | |
2131 | { | |
2132 | if (t3_read_reg(adapter, A_SG_CONTEXT_CMD) & F_CONTEXT_CMD_BUSY) | |
2133 | return -EBUSY; | |
2134 | ||
2135 | t3_write_reg(adapter, A_SG_CONTEXT_MASK0, 0); | |
2136 | t3_write_reg(adapter, A_SG_CONTEXT_MASK1, 0); | |
2137 | t3_write_reg(adapter, A_SG_CONTEXT_MASK2, 0); | |
2138 | t3_write_reg(adapter, A_SG_CONTEXT_MASK3, F_EC_VALID); | |
2139 | t3_write_reg(adapter, A_SG_CONTEXT_DATA3, V_EC_VALID(enable)); | |
2140 | t3_write_reg(adapter, A_SG_CONTEXT_CMD, | |
2141 | V_CONTEXT_CMD_OPCODE(1) | F_EGRESS | V_CONTEXT(id)); | |
2142 | return t3_wait_op_done(adapter, A_SG_CONTEXT_CMD, F_CONTEXT_CMD_BUSY, | |
bb9366af | 2143 | 0, SG_CONTEXT_CMD_ATTEMPTS, 1); |
4d22de3e DLR |
2144 | } |
2145 | ||
2146 | /** | |
2147 | * t3_sge_disable_fl - disable an SGE free-buffer list | |
2148 | * @adapter: the adapter | |
2149 | * @id: the free list context id | |
2150 | * | |
2151 | * Disable an SGE free-buffer list. The caller is responsible for | |
2152 | * ensuring only one context operation occurs at a time. | |
2153 | */ | |
2154 | int t3_sge_disable_fl(struct adapter *adapter, unsigned int id) | |
2155 | { | |
2156 | if (t3_read_reg(adapter, A_SG_CONTEXT_CMD) & F_CONTEXT_CMD_BUSY) | |
2157 | return -EBUSY; | |
2158 | ||
2159 | t3_write_reg(adapter, A_SG_CONTEXT_MASK0, 0); | |
2160 | t3_write_reg(adapter, A_SG_CONTEXT_MASK1, 0); | |
2161 | t3_write_reg(adapter, A_SG_CONTEXT_MASK2, V_FL_SIZE(M_FL_SIZE)); | |
2162 | t3_write_reg(adapter, A_SG_CONTEXT_MASK3, 0); | |
2163 | t3_write_reg(adapter, A_SG_CONTEXT_DATA2, 0); | |
2164 | t3_write_reg(adapter, A_SG_CONTEXT_CMD, | |
2165 | V_CONTEXT_CMD_OPCODE(1) | F_FREELIST | V_CONTEXT(id)); | |
2166 | return t3_wait_op_done(adapter, A_SG_CONTEXT_CMD, F_CONTEXT_CMD_BUSY, | |
bb9366af | 2167 | 0, SG_CONTEXT_CMD_ATTEMPTS, 1); |
4d22de3e DLR |
2168 | } |
2169 | ||
2170 | /** | |
2171 | * t3_sge_disable_rspcntxt - disable an SGE response queue | |
2172 | * @adapter: the adapter | |
2173 | * @id: the response queue context id | |
2174 | * | |
2175 | * Disable an SGE response queue. The caller is responsible for | |
2176 | * ensuring only one context operation occurs at a time. | |
2177 | */ | |
2178 | int t3_sge_disable_rspcntxt(struct adapter *adapter, unsigned int id) | |
2179 | { | |
2180 | if (t3_read_reg(adapter, A_SG_CONTEXT_CMD) & F_CONTEXT_CMD_BUSY) | |
2181 | return -EBUSY; | |
2182 | ||
2183 | t3_write_reg(adapter, A_SG_CONTEXT_MASK0, V_CQ_SIZE(M_CQ_SIZE)); | |
2184 | t3_write_reg(adapter, A_SG_CONTEXT_MASK1, 0); | |
2185 | t3_write_reg(adapter, A_SG_CONTEXT_MASK2, 0); | |
2186 | t3_write_reg(adapter, A_SG_CONTEXT_MASK3, 0); | |
2187 | t3_write_reg(adapter, A_SG_CONTEXT_DATA0, 0); | |
2188 | t3_write_reg(adapter, A_SG_CONTEXT_CMD, | |
2189 | V_CONTEXT_CMD_OPCODE(1) | F_RESPONSEQ | V_CONTEXT(id)); | |
2190 | return t3_wait_op_done(adapter, A_SG_CONTEXT_CMD, F_CONTEXT_CMD_BUSY, | |
bb9366af | 2191 | 0, SG_CONTEXT_CMD_ATTEMPTS, 1); |
4d22de3e DLR |
2192 | } |
2193 | ||
2194 | /** | |
2195 | * t3_sge_disable_cqcntxt - disable an SGE completion queue | |
2196 | * @adapter: the adapter | |
2197 | * @id: the completion queue context id | |
2198 | * | |
2199 | * Disable an SGE completion queue. The caller is responsible for | |
2200 | * ensuring only one context operation occurs at a time. | |
2201 | */ | |
2202 | int t3_sge_disable_cqcntxt(struct adapter *adapter, unsigned int id) | |
2203 | { | |
2204 | if (t3_read_reg(adapter, A_SG_CONTEXT_CMD) & F_CONTEXT_CMD_BUSY) | |
2205 | return -EBUSY; | |
2206 | ||
2207 | t3_write_reg(adapter, A_SG_CONTEXT_MASK0, V_CQ_SIZE(M_CQ_SIZE)); | |
2208 | t3_write_reg(adapter, A_SG_CONTEXT_MASK1, 0); | |
2209 | t3_write_reg(adapter, A_SG_CONTEXT_MASK2, 0); | |
2210 | t3_write_reg(adapter, A_SG_CONTEXT_MASK3, 0); | |
2211 | t3_write_reg(adapter, A_SG_CONTEXT_DATA0, 0); | |
2212 | t3_write_reg(adapter, A_SG_CONTEXT_CMD, | |
2213 | V_CONTEXT_CMD_OPCODE(1) | F_CQ | V_CONTEXT(id)); | |
2214 | return t3_wait_op_done(adapter, A_SG_CONTEXT_CMD, F_CONTEXT_CMD_BUSY, | |
bb9366af | 2215 | 0, SG_CONTEXT_CMD_ATTEMPTS, 1); |
4d22de3e DLR |
2216 | } |
2217 | ||
2218 | /** | |
2219 | * t3_sge_cqcntxt_op - perform an operation on a completion queue context | |
2220 | * @adapter: the adapter | |
2221 | * @id: the context id | |
2222 | * @op: the operation to perform | |
2223 | * | |
2224 | * Perform the selected operation on an SGE completion queue context. | |
2225 | * The caller is responsible for ensuring only one context operation | |
2226 | * occurs at a time. | |
2227 | */ | |
2228 | int t3_sge_cqcntxt_op(struct adapter *adapter, unsigned int id, unsigned int op, | |
2229 | unsigned int credits) | |
2230 | { | |
2231 | u32 val; | |
2232 | ||
2233 | if (t3_read_reg(adapter, A_SG_CONTEXT_CMD) & F_CONTEXT_CMD_BUSY) | |
2234 | return -EBUSY; | |
2235 | ||
2236 | t3_write_reg(adapter, A_SG_CONTEXT_DATA0, credits << 16); | |
2237 | t3_write_reg(adapter, A_SG_CONTEXT_CMD, V_CONTEXT_CMD_OPCODE(op) | | |
2238 | V_CONTEXT(id) | F_CQ); | |
2239 | if (t3_wait_op_done_val(adapter, A_SG_CONTEXT_CMD, F_CONTEXT_CMD_BUSY, | |
bb9366af | 2240 | 0, SG_CONTEXT_CMD_ATTEMPTS, 1, &val)) |
4d22de3e DLR |
2241 | return -EIO; |
2242 | ||
2243 | if (op >= 2 && op < 7) { | |
2244 | if (adapter->params.rev > 0) | |
2245 | return G_CQ_INDEX(val); | |
2246 | ||
2247 | t3_write_reg(adapter, A_SG_CONTEXT_CMD, | |
2248 | V_CONTEXT_CMD_OPCODE(0) | F_CQ | V_CONTEXT(id)); | |
2249 | if (t3_wait_op_done(adapter, A_SG_CONTEXT_CMD, | |
bb9366af DLR |
2250 | F_CONTEXT_CMD_BUSY, 0, |
2251 | SG_CONTEXT_CMD_ATTEMPTS, 1)) | |
4d22de3e DLR |
2252 | return -EIO; |
2253 | return G_CQ_INDEX(t3_read_reg(adapter, A_SG_CONTEXT_DATA0)); | |
2254 | } | |
2255 | return 0; | |
2256 | } | |
2257 | ||
2258 | /** | |
2259 | * t3_sge_read_context - read an SGE context | |
2260 | * @type: the context type | |
2261 | * @adapter: the adapter | |
2262 | * @id: the context id | |
2263 | * @data: holds the retrieved context | |
2264 | * | |
2265 | * Read an SGE egress context. The caller is responsible for ensuring | |
2266 | * only one context operation occurs at a time. | |
2267 | */ | |
2268 | static int t3_sge_read_context(unsigned int type, struct adapter *adapter, | |
2269 | unsigned int id, u32 data[4]) | |
2270 | { | |
2271 | if (t3_read_reg(adapter, A_SG_CONTEXT_CMD) & F_CONTEXT_CMD_BUSY) | |
2272 | return -EBUSY; | |
2273 | ||
2274 | t3_write_reg(adapter, A_SG_CONTEXT_CMD, | |
2275 | V_CONTEXT_CMD_OPCODE(0) | type | V_CONTEXT(id)); | |
2276 | if (t3_wait_op_done(adapter, A_SG_CONTEXT_CMD, F_CONTEXT_CMD_BUSY, 0, | |
bb9366af | 2277 | SG_CONTEXT_CMD_ATTEMPTS, 1)) |
4d22de3e DLR |
2278 | return -EIO; |
2279 | data[0] = t3_read_reg(adapter, A_SG_CONTEXT_DATA0); | |
2280 | data[1] = t3_read_reg(adapter, A_SG_CONTEXT_DATA1); | |
2281 | data[2] = t3_read_reg(adapter, A_SG_CONTEXT_DATA2); | |
2282 | data[3] = t3_read_reg(adapter, A_SG_CONTEXT_DATA3); | |
2283 | return 0; | |
2284 | } | |
2285 | ||
2286 | /** | |
2287 | * t3_sge_read_ecntxt - read an SGE egress context | |
2288 | * @adapter: the adapter | |
2289 | * @id: the context id | |
2290 | * @data: holds the retrieved context | |
2291 | * | |
2292 | * Read an SGE egress context. The caller is responsible for ensuring | |
2293 | * only one context operation occurs at a time. | |
2294 | */ | |
2295 | int t3_sge_read_ecntxt(struct adapter *adapter, unsigned int id, u32 data[4]) | |
2296 | { | |
2297 | if (id >= 65536) | |
2298 | return -EINVAL; | |
2299 | return t3_sge_read_context(F_EGRESS, adapter, id, data); | |
2300 | } | |
2301 | ||
2302 | /** | |
2303 | * t3_sge_read_cq - read an SGE CQ context | |
2304 | * @adapter: the adapter | |
2305 | * @id: the context id | |
2306 | * @data: holds the retrieved context | |
2307 | * | |
2308 | * Read an SGE CQ context. The caller is responsible for ensuring | |
2309 | * only one context operation occurs at a time. | |
2310 | */ | |
2311 | int t3_sge_read_cq(struct adapter *adapter, unsigned int id, u32 data[4]) | |
2312 | { | |
2313 | if (id >= 65536) | |
2314 | return -EINVAL; | |
2315 | return t3_sge_read_context(F_CQ, adapter, id, data); | |
2316 | } | |
2317 | ||
2318 | /** | |
2319 | * t3_sge_read_fl - read an SGE free-list context | |
2320 | * @adapter: the adapter | |
2321 | * @id: the context id | |
2322 | * @data: holds the retrieved context | |
2323 | * | |
2324 | * Read an SGE free-list context. The caller is responsible for ensuring | |
2325 | * only one context operation occurs at a time. | |
2326 | */ | |
2327 | int t3_sge_read_fl(struct adapter *adapter, unsigned int id, u32 data[4]) | |
2328 | { | |
2329 | if (id >= SGE_QSETS * 2) | |
2330 | return -EINVAL; | |
2331 | return t3_sge_read_context(F_FREELIST, adapter, id, data); | |
2332 | } | |
2333 | ||
2334 | /** | |
2335 | * t3_sge_read_rspq - read an SGE response queue context | |
2336 | * @adapter: the adapter | |
2337 | * @id: the context id | |
2338 | * @data: holds the retrieved context | |
2339 | * | |
2340 | * Read an SGE response queue context. The caller is responsible for | |
2341 | * ensuring only one context operation occurs at a time. | |
2342 | */ | |
2343 | int t3_sge_read_rspq(struct adapter *adapter, unsigned int id, u32 data[4]) | |
2344 | { | |
2345 | if (id >= SGE_QSETS) | |
2346 | return -EINVAL; | |
2347 | return t3_sge_read_context(F_RESPONSEQ, adapter, id, data); | |
2348 | } | |
2349 | ||
2350 | /** | |
2351 | * t3_config_rss - configure Rx packet steering | |
2352 | * @adapter: the adapter | |
2353 | * @rss_config: RSS settings (written to TP_RSS_CONFIG) | |
2354 | * @cpus: values for the CPU lookup table (0xff terminated) | |
2355 | * @rspq: values for the response queue lookup table (0xffff terminated) | |
2356 | * | |
2357 | * Programs the receive packet steering logic. @cpus and @rspq provide | |
2358 | * the values for the CPU and response queue lookup tables. If they | |
2359 | * provide fewer values than the size of the tables the supplied values | |
2360 | * are used repeatedly until the tables are fully populated. | |
2361 | */ | |
2362 | void t3_config_rss(struct adapter *adapter, unsigned int rss_config, | |
2363 | const u8 * cpus, const u16 *rspq) | |
2364 | { | |
2365 | int i, j, cpu_idx = 0, q_idx = 0; | |
2366 | ||
2367 | if (cpus) | |
2368 | for (i = 0; i < RSS_TABLE_SIZE; ++i) { | |
2369 | u32 val = i << 16; | |
2370 | ||
2371 | for (j = 0; j < 2; ++j) { | |
2372 | val |= (cpus[cpu_idx++] & 0x3f) << (8 * j); | |
2373 | if (cpus[cpu_idx] == 0xff) | |
2374 | cpu_idx = 0; | |
2375 | } | |
2376 | t3_write_reg(adapter, A_TP_RSS_LKP_TABLE, val); | |
2377 | } | |
2378 | ||
2379 | if (rspq) | |
2380 | for (i = 0; i < RSS_TABLE_SIZE; ++i) { | |
2381 | t3_write_reg(adapter, A_TP_RSS_MAP_TABLE, | |
2382 | (i << 16) | rspq[q_idx++]); | |
2383 | if (rspq[q_idx] == 0xffff) | |
2384 | q_idx = 0; | |
2385 | } | |
2386 | ||
2387 | t3_write_reg(adapter, A_TP_RSS_CONFIG, rss_config); | |
2388 | } | |
2389 | ||
2390 | /** | |
2391 | * t3_read_rss - read the contents of the RSS tables | |
2392 | * @adapter: the adapter | |
2393 | * @lkup: holds the contents of the RSS lookup table | |
2394 | * @map: holds the contents of the RSS map table | |
2395 | * | |
2396 | * Reads the contents of the receive packet steering tables. | |
2397 | */ | |
2398 | int t3_read_rss(struct adapter *adapter, u8 * lkup, u16 *map) | |
2399 | { | |
2400 | int i; | |
2401 | u32 val; | |
2402 | ||
2403 | if (lkup) | |
2404 | for (i = 0; i < RSS_TABLE_SIZE; ++i) { | |
2405 | t3_write_reg(adapter, A_TP_RSS_LKP_TABLE, | |
2406 | 0xffff0000 | i); | |
2407 | val = t3_read_reg(adapter, A_TP_RSS_LKP_TABLE); | |
2408 | if (!(val & 0x80000000)) | |
2409 | return -EAGAIN; | |
2410 | *lkup++ = val; | |
2411 | *lkup++ = (val >> 8); | |
2412 | } | |
2413 | ||
2414 | if (map) | |
2415 | for (i = 0; i < RSS_TABLE_SIZE; ++i) { | |
2416 | t3_write_reg(adapter, A_TP_RSS_MAP_TABLE, | |
2417 | 0xffff0000 | i); | |
2418 | val = t3_read_reg(adapter, A_TP_RSS_MAP_TABLE); | |
2419 | if (!(val & 0x80000000)) | |
2420 | return -EAGAIN; | |
2421 | *map++ = val; | |
2422 | } | |
2423 | return 0; | |
2424 | } | |
2425 | ||
2426 | /** | |
2427 | * t3_tp_set_offload_mode - put TP in NIC/offload mode | |
2428 | * @adap: the adapter | |
2429 | * @enable: 1 to select offload mode, 0 for regular NIC | |
2430 | * | |
2431 | * Switches TP to NIC/offload mode. | |
2432 | */ | |
2433 | void t3_tp_set_offload_mode(struct adapter *adap, int enable) | |
2434 | { | |
2435 | if (is_offload(adap) || !enable) | |
2436 | t3_set_reg_field(adap, A_TP_IN_CONFIG, F_NICMODE, | |
2437 | V_NICMODE(!enable)); | |
2438 | } | |
2439 | ||
2440 | /** | |
2441 | * pm_num_pages - calculate the number of pages of the payload memory | |
2442 | * @mem_size: the size of the payload memory | |
2443 | * @pg_size: the size of each payload memory page | |
2444 | * | |
2445 | * Calculate the number of pages, each of the given size, that fit in a | |
2446 | * memory of the specified size, respecting the HW requirement that the | |
2447 | * number of pages must be a multiple of 24. | |
2448 | */ | |
2449 | static inline unsigned int pm_num_pages(unsigned int mem_size, | |
2450 | unsigned int pg_size) | |
2451 | { | |
2452 | unsigned int n = mem_size / pg_size; | |
2453 | ||
2454 | return n - n % 24; | |
2455 | } | |
2456 | ||
2457 | #define mem_region(adap, start, size, reg) \ | |
2458 | t3_write_reg((adap), A_ ## reg, (start)); \ | |
2459 | start += size | |
2460 | ||
b881955b | 2461 | /** |
4d22de3e DLR |
2462 | * partition_mem - partition memory and configure TP memory settings |
2463 | * @adap: the adapter | |
2464 | * @p: the TP parameters | |
2465 | * | |
2466 | * Partitions context and payload memory and configures TP's memory | |
2467 | * registers. | |
2468 | */ | |
2469 | static void partition_mem(struct adapter *adap, const struct tp_params *p) | |
2470 | { | |
2471 | unsigned int m, pstructs, tids = t3_mc5_size(&adap->mc5); | |
2472 | unsigned int timers = 0, timers_shift = 22; | |
2473 | ||
2474 | if (adap->params.rev > 0) { | |
2475 | if (tids <= 16 * 1024) { | |
2476 | timers = 1; | |
2477 | timers_shift = 16; | |
2478 | } else if (tids <= 64 * 1024) { | |
2479 | timers = 2; | |
2480 | timers_shift = 18; | |
2481 | } else if (tids <= 256 * 1024) { | |
2482 | timers = 3; | |
2483 | timers_shift = 20; | |
2484 | } | |
2485 | } | |
2486 | ||
2487 | t3_write_reg(adap, A_TP_PMM_SIZE, | |
2488 | p->chan_rx_size | (p->chan_tx_size >> 16)); | |
2489 | ||
2490 | t3_write_reg(adap, A_TP_PMM_TX_BASE, 0); | |
2491 | t3_write_reg(adap, A_TP_PMM_TX_PAGE_SIZE, p->tx_pg_size); | |
2492 | t3_write_reg(adap, A_TP_PMM_TX_MAX_PAGE, p->tx_num_pgs); | |
2493 | t3_set_reg_field(adap, A_TP_PARA_REG3, V_TXDATAACKIDX(M_TXDATAACKIDX), | |
2494 | V_TXDATAACKIDX(fls(p->tx_pg_size) - 12)); | |
2495 | ||
2496 | t3_write_reg(adap, A_TP_PMM_RX_BASE, 0); | |
2497 | t3_write_reg(adap, A_TP_PMM_RX_PAGE_SIZE, p->rx_pg_size); | |
2498 | t3_write_reg(adap, A_TP_PMM_RX_MAX_PAGE, p->rx_num_pgs); | |
2499 | ||
2500 | pstructs = p->rx_num_pgs + p->tx_num_pgs; | |
2501 | /* Add a bit of headroom and make multiple of 24 */ | |
2502 | pstructs += 48; | |
2503 | pstructs -= pstructs % 24; | |
2504 | t3_write_reg(adap, A_TP_CMM_MM_MAX_PSTRUCT, pstructs); | |
2505 | ||
2506 | m = tids * TCB_SIZE; | |
2507 | mem_region(adap, m, (64 << 10) * 64, SG_EGR_CNTX_BADDR); | |
2508 | mem_region(adap, m, (64 << 10) * 64, SG_CQ_CONTEXT_BADDR); | |
2509 | t3_write_reg(adap, A_TP_CMM_TIMER_BASE, V_CMTIMERMAXNUM(timers) | m); | |
2510 | m += ((p->ntimer_qs - 1) << timers_shift) + (1 << 22); | |
2511 | mem_region(adap, m, pstructs * 64, TP_CMM_MM_BASE); | |
2512 | mem_region(adap, m, 64 * (pstructs / 24), TP_CMM_MM_PS_FLST_BASE); | |
2513 | mem_region(adap, m, 64 * (p->rx_num_pgs / 24), TP_CMM_MM_RX_FLST_BASE); | |
2514 | mem_region(adap, m, 64 * (p->tx_num_pgs / 24), TP_CMM_MM_TX_FLST_BASE); | |
2515 | ||
2516 | m = (m + 4095) & ~0xfff; | |
2517 | t3_write_reg(adap, A_CIM_SDRAM_BASE_ADDR, m); | |
2518 | t3_write_reg(adap, A_CIM_SDRAM_ADDR_SIZE, p->cm_size - m); | |
2519 | ||
2520 | tids = (p->cm_size - m - (3 << 20)) / 3072 - 32; | |
2521 | m = t3_mc5_size(&adap->mc5) - adap->params.mc5.nservers - | |
2522 | adap->params.mc5.nfilters - adap->params.mc5.nroutes; | |
2523 | if (tids < m) | |
2524 | adap->params.mc5.nservers += m - tids; | |
2525 | } | |
2526 | ||
2527 | static inline void tp_wr_indirect(struct adapter *adap, unsigned int addr, | |
2528 | u32 val) | |
2529 | { | |
2530 | t3_write_reg(adap, A_TP_PIO_ADDR, addr); | |
2531 | t3_write_reg(adap, A_TP_PIO_DATA, val); | |
2532 | } | |
2533 | ||
2534 | static void tp_config(struct adapter *adap, const struct tp_params *p) | |
2535 | { | |
4d22de3e DLR |
2536 | t3_write_reg(adap, A_TP_GLOBAL_CONFIG, F_TXPACINGENABLE | F_PATHMTU | |
2537 | F_IPCHECKSUMOFFLOAD | F_UDPCHECKSUMOFFLOAD | | |
2538 | F_TCPCHECKSUMOFFLOAD | V_IPTTL(64)); | |
2539 | t3_write_reg(adap, A_TP_TCP_OPTIONS, V_MTUDEFAULT(576) | | |
2540 | F_MTUENABLE | V_WINDOWSCALEMODE(1) | | |
8a9fab22 | 2541 | V_TIMESTAMPSMODE(0) | V_SACKMODE(1) | V_SACKRX(1)); |
4d22de3e DLR |
2542 | t3_write_reg(adap, A_TP_DACK_CONFIG, V_AUTOSTATE3(1) | |
2543 | V_AUTOSTATE2(1) | V_AUTOSTATE1(0) | | |
2544 | V_BYTETHRESHOLD(16384) | V_MSSTHRESHOLD(2) | | |
2545 | F_AUTOCAREFUL | F_AUTOENABLE | V_DACK_MODE(1)); | |
b881955b | 2546 | t3_set_reg_field(adap, A_TP_IN_CONFIG, F_RXFBARBPRIO | F_TXFBARBPRIO, |
4d22de3e DLR |
2547 | F_IPV6ENABLE | F_NICMODE); |
2548 | t3_write_reg(adap, A_TP_TX_RESOURCE_LIMIT, 0x18141814); | |
2549 | t3_write_reg(adap, A_TP_PARA_REG4, 0x5050105); | |
8a9fab22 DLR |
2550 | t3_set_reg_field(adap, A_TP_PARA_REG6, 0, |
2551 | adap->params.rev > 0 ? F_ENABLEESND : | |
2552 | F_T3A_ENABLEESND); | |
4d22de3e | 2553 | |
3b1d307b | 2554 | t3_set_reg_field(adap, A_TP_PC_CONFIG, |
8a9fab22 DLR |
2555 | F_ENABLEEPCMDAFULL, |
2556 | F_ENABLEOCSPIFULL |F_TXDEFERENABLE | F_HEARBEATDACK | | |
2557 | F_TXCONGESTIONMODE | F_RXCONGESTIONMODE); | |
b881955b DLR |
2558 | t3_set_reg_field(adap, A_TP_PC_CONFIG2, F_CHDRAFULL, |
2559 | F_ENABLEIPV6RSS | F_ENABLENONOFDTNLSYN | | |
2560 | F_ENABLEARPMISS | F_DISBLEDAPARBIT0); | |
8a9fab22 DLR |
2561 | t3_write_reg(adap, A_TP_PROXY_FLOW_CNTL, 1080); |
2562 | t3_write_reg(adap, A_TP_PROXY_FLOW_CNTL, 1000); | |
2eab17ab | 2563 | |
4d22de3e DLR |
2564 | if (adap->params.rev > 0) { |
2565 | tp_wr_indirect(adap, A_TP_EGRESS_CONFIG, F_REWRITEFORCETOSIZE); | |
2566 | t3_set_reg_field(adap, A_TP_PARA_REG3, F_TXPACEAUTO, | |
2567 | F_TXPACEAUTO); | |
2568 | t3_set_reg_field(adap, A_TP_PC_CONFIG, F_LOCKTID, F_LOCKTID); | |
2569 | t3_set_reg_field(adap, A_TP_PARA_REG3, 0, F_TXPACEAUTOSTRICT); | |
2570 | } else | |
2571 | t3_set_reg_field(adap, A_TP_PARA_REG3, 0, F_TXPACEFIXED); | |
2572 | ||
a2604be5 DLR |
2573 | if (adap->params.rev == T3_REV_C) |
2574 | t3_set_reg_field(adap, A_TP_PC_CONFIG, | |
2575 | V_TABLELATENCYDELTA(M_TABLELATENCYDELTA), | |
2576 | V_TABLELATENCYDELTA(4)); | |
2577 | ||
8a9fab22 DLR |
2578 | t3_write_reg(adap, A_TP_TX_MOD_QUEUE_WEIGHT1, 0); |
2579 | t3_write_reg(adap, A_TP_TX_MOD_QUEUE_WEIGHT0, 0); | |
2580 | t3_write_reg(adap, A_TP_MOD_CHANNEL_WEIGHT, 0); | |
2581 | t3_write_reg(adap, A_TP_MOD_RATE_LIMIT, 0xf2200000); | |
4d22de3e DLR |
2582 | } |
2583 | ||
2584 | /* Desired TP timer resolution in usec */ | |
2585 | #define TP_TMR_RES 50 | |
2586 | ||
2587 | /* TCP timer values in ms */ | |
2588 | #define TP_DACK_TIMER 50 | |
2589 | #define TP_RTO_MIN 250 | |
2590 | ||
2591 | /** | |
2592 | * tp_set_timers - set TP timing parameters | |
2593 | * @adap: the adapter to set | |
2594 | * @core_clk: the core clock frequency in Hz | |
2595 | * | |
2596 | * Set TP's timing parameters, such as the various timer resolutions and | |
2597 | * the TCP timer values. | |
2598 | */ | |
2599 | static void tp_set_timers(struct adapter *adap, unsigned int core_clk) | |
2600 | { | |
2601 | unsigned int tre = fls(core_clk / (1000000 / TP_TMR_RES)) - 1; | |
2602 | unsigned int dack_re = fls(core_clk / 5000) - 1; /* 200us */ | |
2603 | unsigned int tstamp_re = fls(core_clk / 1000); /* 1ms, at least */ | |
2604 | unsigned int tps = core_clk >> tre; | |
2605 | ||
2606 | t3_write_reg(adap, A_TP_TIMER_RESOLUTION, V_TIMERRESOLUTION(tre) | | |
2607 | V_DELAYEDACKRESOLUTION(dack_re) | | |
2608 | V_TIMESTAMPRESOLUTION(tstamp_re)); | |
2609 | t3_write_reg(adap, A_TP_DACK_TIMER, | |
2610 | (core_clk >> dack_re) / (1000 / TP_DACK_TIMER)); | |
2611 | t3_write_reg(adap, A_TP_TCP_BACKOFF_REG0, 0x3020100); | |
2612 | t3_write_reg(adap, A_TP_TCP_BACKOFF_REG1, 0x7060504); | |
2613 | t3_write_reg(adap, A_TP_TCP_BACKOFF_REG2, 0xb0a0908); | |
2614 | t3_write_reg(adap, A_TP_TCP_BACKOFF_REG3, 0xf0e0d0c); | |
2615 | t3_write_reg(adap, A_TP_SHIFT_CNT, V_SYNSHIFTMAX(6) | | |
2616 | V_RXTSHIFTMAXR1(4) | V_RXTSHIFTMAXR2(15) | | |
2617 | V_PERSHIFTBACKOFFMAX(8) | V_PERSHIFTMAX(8) | | |
2618 | V_KEEPALIVEMAX(9)); | |
2619 | ||
2620 | #define SECONDS * tps | |
2621 | ||
2622 | t3_write_reg(adap, A_TP_MSL, adap->params.rev > 0 ? 0 : 2 SECONDS); | |
2623 | t3_write_reg(adap, A_TP_RXT_MIN, tps / (1000 / TP_RTO_MIN)); | |
2624 | t3_write_reg(adap, A_TP_RXT_MAX, 64 SECONDS); | |
2625 | t3_write_reg(adap, A_TP_PERS_MIN, 5 SECONDS); | |
2626 | t3_write_reg(adap, A_TP_PERS_MAX, 64 SECONDS); | |
2627 | t3_write_reg(adap, A_TP_KEEP_IDLE, 7200 SECONDS); | |
2628 | t3_write_reg(adap, A_TP_KEEP_INTVL, 75 SECONDS); | |
2629 | t3_write_reg(adap, A_TP_INIT_SRTT, 3 SECONDS); | |
2630 | t3_write_reg(adap, A_TP_FINWAIT2_TIMER, 600 SECONDS); | |
2631 | ||
2632 | #undef SECONDS | |
2633 | } | |
2634 | ||
2635 | /** | |
2636 | * t3_tp_set_coalescing_size - set receive coalescing size | |
2637 | * @adap: the adapter | |
2638 | * @size: the receive coalescing size | |
2639 | * @psh: whether a set PSH bit should deliver coalesced data | |
2640 | * | |
2641 | * Set the receive coalescing size and PSH bit handling. | |
2642 | */ | |
2643 | int t3_tp_set_coalescing_size(struct adapter *adap, unsigned int size, int psh) | |
2644 | { | |
2645 | u32 val; | |
2646 | ||
2647 | if (size > MAX_RX_COALESCING_LEN) | |
2648 | return -EINVAL; | |
2649 | ||
2650 | val = t3_read_reg(adap, A_TP_PARA_REG3); | |
2651 | val &= ~(F_RXCOALESCEENABLE | F_RXCOALESCEPSHEN); | |
2652 | ||
2653 | if (size) { | |
2654 | val |= F_RXCOALESCEENABLE; | |
2655 | if (psh) | |
2656 | val |= F_RXCOALESCEPSHEN; | |
8a9fab22 | 2657 | size = min(MAX_RX_COALESCING_LEN, size); |
4d22de3e DLR |
2658 | t3_write_reg(adap, A_TP_PARA_REG2, V_RXCOALESCESIZE(size) | |
2659 | V_MAXRXDATA(MAX_RX_COALESCING_LEN)); | |
2660 | } | |
2661 | t3_write_reg(adap, A_TP_PARA_REG3, val); | |
2662 | return 0; | |
2663 | } | |
2664 | ||
2665 | /** | |
2666 | * t3_tp_set_max_rxsize - set the max receive size | |
2667 | * @adap: the adapter | |
2668 | * @size: the max receive size | |
2669 | * | |
2670 | * Set TP's max receive size. This is the limit that applies when | |
2671 | * receive coalescing is disabled. | |
2672 | */ | |
2673 | void t3_tp_set_max_rxsize(struct adapter *adap, unsigned int size) | |
2674 | { | |
2675 | t3_write_reg(adap, A_TP_PARA_REG7, | |
2676 | V_PMMAXXFERLEN0(size) | V_PMMAXXFERLEN1(size)); | |
2677 | } | |
2678 | ||
7b9b0943 | 2679 | static void init_mtus(unsigned short mtus[]) |
4d22de3e DLR |
2680 | { |
2681 | /* | |
2682 | * See draft-mathis-plpmtud-00.txt for the values. The min is 88 so | |
2683 | * it can accomodate max size TCP/IP headers when SACK and timestamps | |
2684 | * are enabled and still have at least 8 bytes of payload. | |
2685 | */ | |
75758e8a | 2686 | mtus[0] = 88; |
8a9fab22 DLR |
2687 | mtus[1] = 88; |
2688 | mtus[2] = 256; | |
2689 | mtus[3] = 512; | |
2690 | mtus[4] = 576; | |
4d22de3e DLR |
2691 | mtus[5] = 1024; |
2692 | mtus[6] = 1280; | |
2693 | mtus[7] = 1492; | |
2694 | mtus[8] = 1500; | |
2695 | mtus[9] = 2002; | |
2696 | mtus[10] = 2048; | |
2697 | mtus[11] = 4096; | |
2698 | mtus[12] = 4352; | |
2699 | mtus[13] = 8192; | |
2700 | mtus[14] = 9000; | |
2701 | mtus[15] = 9600; | |
2702 | } | |
2703 | ||
2704 | /* | |
2705 | * Initial congestion control parameters. | |
2706 | */ | |
7b9b0943 | 2707 | static void init_cong_ctrl(unsigned short *a, unsigned short *b) |
4d22de3e DLR |
2708 | { |
2709 | a[0] = a[1] = a[2] = a[3] = a[4] = a[5] = a[6] = a[7] = a[8] = 1; | |
2710 | a[9] = 2; | |
2711 | a[10] = 3; | |
2712 | a[11] = 4; | |
2713 | a[12] = 5; | |
2714 | a[13] = 6; | |
2715 | a[14] = 7; | |
2716 | a[15] = 8; | |
2717 | a[16] = 9; | |
2718 | a[17] = 10; | |
2719 | a[18] = 14; | |
2720 | a[19] = 17; | |
2721 | a[20] = 21; | |
2722 | a[21] = 25; | |
2723 | a[22] = 30; | |
2724 | a[23] = 35; | |
2725 | a[24] = 45; | |
2726 | a[25] = 60; | |
2727 | a[26] = 80; | |
2728 | a[27] = 100; | |
2729 | a[28] = 200; | |
2730 | a[29] = 300; | |
2731 | a[30] = 400; | |
2732 | a[31] = 500; | |
2733 | ||
2734 | b[0] = b[1] = b[2] = b[3] = b[4] = b[5] = b[6] = b[7] = b[8] = 0; | |
2735 | b[9] = b[10] = 1; | |
2736 | b[11] = b[12] = 2; | |
2737 | b[13] = b[14] = b[15] = b[16] = 3; | |
2738 | b[17] = b[18] = b[19] = b[20] = b[21] = 4; | |
2739 | b[22] = b[23] = b[24] = b[25] = b[26] = b[27] = 5; | |
2740 | b[28] = b[29] = 6; | |
2741 | b[30] = b[31] = 7; | |
2742 | } | |
2743 | ||
2744 | /* The minimum additive increment value for the congestion control table */ | |
2745 | #define CC_MIN_INCR 2U | |
2746 | ||
2747 | /** | |
2748 | * t3_load_mtus - write the MTU and congestion control HW tables | |
2749 | * @adap: the adapter | |
2750 | * @mtus: the unrestricted values for the MTU table | |
2751 | * @alphs: the values for the congestion control alpha parameter | |
2752 | * @beta: the values for the congestion control beta parameter | |
2753 | * @mtu_cap: the maximum permitted effective MTU | |
2754 | * | |
2755 | * Write the MTU table with the supplied MTUs capping each at &mtu_cap. | |
2756 | * Update the high-speed congestion control table with the supplied alpha, | |
2757 | * beta, and MTUs. | |
2758 | */ | |
2759 | void t3_load_mtus(struct adapter *adap, unsigned short mtus[NMTUS], | |
2760 | unsigned short alpha[NCCTRL_WIN], | |
2761 | unsigned short beta[NCCTRL_WIN], unsigned short mtu_cap) | |
2762 | { | |
2763 | static const unsigned int avg_pkts[NCCTRL_WIN] = { | |
2764 | 2, 6, 10, 14, 20, 28, 40, 56, 80, 112, 160, 224, 320, 448, 640, | |
2765 | 896, 1281, 1792, 2560, 3584, 5120, 7168, 10240, 14336, 20480, | |
2766 | 28672, 40960, 57344, 81920, 114688, 163840, 229376 | |
2767 | }; | |
2768 | ||
2769 | unsigned int i, w; | |
2770 | ||
2771 | for (i = 0; i < NMTUS; ++i) { | |
2772 | unsigned int mtu = min(mtus[i], mtu_cap); | |
2773 | unsigned int log2 = fls(mtu); | |
2774 | ||
2775 | if (!(mtu & ((1 << log2) >> 2))) /* round */ | |
2776 | log2--; | |
2777 | t3_write_reg(adap, A_TP_MTU_TABLE, | |
2778 | (i << 24) | (log2 << 16) | mtu); | |
2779 | ||
2780 | for (w = 0; w < NCCTRL_WIN; ++w) { | |
2781 | unsigned int inc; | |
2782 | ||
2783 | inc = max(((mtu - 40) * alpha[w]) / avg_pkts[w], | |
2784 | CC_MIN_INCR); | |
2785 | ||
2786 | t3_write_reg(adap, A_TP_CCTRL_TABLE, (i << 21) | | |
2787 | (w << 16) | (beta[w] << 13) | inc); | |
2788 | } | |
2789 | } | |
2790 | } | |
2791 | ||
2792 | /** | |
2793 | * t3_read_hw_mtus - returns the values in the HW MTU table | |
2794 | * @adap: the adapter | |
2795 | * @mtus: where to store the HW MTU values | |
2796 | * | |
2797 | * Reads the HW MTU table. | |
2798 | */ | |
2799 | void t3_read_hw_mtus(struct adapter *adap, unsigned short mtus[NMTUS]) | |
2800 | { | |
2801 | int i; | |
2802 | ||
2803 | for (i = 0; i < NMTUS; ++i) { | |
2804 | unsigned int val; | |
2805 | ||
2806 | t3_write_reg(adap, A_TP_MTU_TABLE, 0xff000000 | i); | |
2807 | val = t3_read_reg(adap, A_TP_MTU_TABLE); | |
2808 | mtus[i] = val & 0x3fff; | |
2809 | } | |
2810 | } | |
2811 | ||
2812 | /** | |
2813 | * t3_get_cong_cntl_tab - reads the congestion control table | |
2814 | * @adap: the adapter | |
2815 | * @incr: where to store the alpha values | |
2816 | * | |
2817 | * Reads the additive increments programmed into the HW congestion | |
2818 | * control table. | |
2819 | */ | |
2820 | void t3_get_cong_cntl_tab(struct adapter *adap, | |
2821 | unsigned short incr[NMTUS][NCCTRL_WIN]) | |
2822 | { | |
2823 | unsigned int mtu, w; | |
2824 | ||
2825 | for (mtu = 0; mtu < NMTUS; ++mtu) | |
2826 | for (w = 0; w < NCCTRL_WIN; ++w) { | |
2827 | t3_write_reg(adap, A_TP_CCTRL_TABLE, | |
2828 | 0xffff0000 | (mtu << 5) | w); | |
2829 | incr[mtu][w] = t3_read_reg(adap, A_TP_CCTRL_TABLE) & | |
2830 | 0x1fff; | |
2831 | } | |
2832 | } | |
2833 | ||
2834 | /** | |
2835 | * t3_tp_get_mib_stats - read TP's MIB counters | |
2836 | * @adap: the adapter | |
2837 | * @tps: holds the returned counter values | |
2838 | * | |
2839 | * Returns the values of TP's MIB counters. | |
2840 | */ | |
2841 | void t3_tp_get_mib_stats(struct adapter *adap, struct tp_mib_stats *tps) | |
2842 | { | |
2843 | t3_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_RDATA, (u32 *) tps, | |
2844 | sizeof(*tps) / sizeof(u32), 0); | |
2845 | } | |
2846 | ||
2847 | #define ulp_region(adap, name, start, len) \ | |
2848 | t3_write_reg((adap), A_ULPRX_ ## name ## _LLIMIT, (start)); \ | |
2849 | t3_write_reg((adap), A_ULPRX_ ## name ## _ULIMIT, \ | |
2850 | (start) + (len) - 1); \ | |
2851 | start += len | |
2852 | ||
2853 | #define ulptx_region(adap, name, start, len) \ | |
2854 | t3_write_reg((adap), A_ULPTX_ ## name ## _LLIMIT, (start)); \ | |
2855 | t3_write_reg((adap), A_ULPTX_ ## name ## _ULIMIT, \ | |
2856 | (start) + (len) - 1) | |
2857 | ||
2858 | static void ulp_config(struct adapter *adap, const struct tp_params *p) | |
2859 | { | |
2860 | unsigned int m = p->chan_rx_size; | |
2861 | ||
2862 | ulp_region(adap, ISCSI, m, p->chan_rx_size / 8); | |
2863 | ulp_region(adap, TDDP, m, p->chan_rx_size / 8); | |
2864 | ulptx_region(adap, TPT, m, p->chan_rx_size / 4); | |
2865 | ulp_region(adap, STAG, m, p->chan_rx_size / 4); | |
2866 | ulp_region(adap, RQ, m, p->chan_rx_size / 4); | |
2867 | ulptx_region(adap, PBL, m, p->chan_rx_size / 4); | |
2868 | ulp_region(adap, PBL, m, p->chan_rx_size / 4); | |
2869 | t3_write_reg(adap, A_ULPRX_TDDP_TAGMASK, 0xffffffff); | |
2870 | } | |
2871 | ||
480fe1a3 DLR |
2872 | /** |
2873 | * t3_set_proto_sram - set the contents of the protocol sram | |
2874 | * @adapter: the adapter | |
2875 | * @data: the protocol image | |
2876 | * | |
2877 | * Write the contents of the protocol SRAM. | |
2878 | */ | |
2c733a16 | 2879 | int t3_set_proto_sram(struct adapter *adap, const u8 *data) |
480fe1a3 DLR |
2880 | { |
2881 | int i; | |
2c733a16 | 2882 | const __be32 *buf = (const __be32 *)data; |
480fe1a3 DLR |
2883 | |
2884 | for (i = 0; i < PROTO_SRAM_LINES; i++) { | |
05e5c116 AV |
2885 | t3_write_reg(adap, A_TP_EMBED_OP_FIELD5, be32_to_cpu(*buf++)); |
2886 | t3_write_reg(adap, A_TP_EMBED_OP_FIELD4, be32_to_cpu(*buf++)); | |
2887 | t3_write_reg(adap, A_TP_EMBED_OP_FIELD3, be32_to_cpu(*buf++)); | |
2888 | t3_write_reg(adap, A_TP_EMBED_OP_FIELD2, be32_to_cpu(*buf++)); | |
2889 | t3_write_reg(adap, A_TP_EMBED_OP_FIELD1, be32_to_cpu(*buf++)); | |
2eab17ab | 2890 | |
480fe1a3 DLR |
2891 | t3_write_reg(adap, A_TP_EMBED_OP_FIELD0, i << 1 | 1 << 31); |
2892 | if (t3_wait_op_done(adap, A_TP_EMBED_OP_FIELD0, 1, 1, 5, 1)) | |
2893 | return -EIO; | |
2894 | } | |
2895 | t3_write_reg(adap, A_TP_EMBED_OP_FIELD0, 0); | |
2896 | ||
2897 | return 0; | |
2898 | } | |
2899 | ||
4d22de3e DLR |
2900 | void t3_config_trace_filter(struct adapter *adapter, |
2901 | const struct trace_params *tp, int filter_index, | |
2902 | int invert, int enable) | |
2903 | { | |
2904 | u32 addr, key[4], mask[4]; | |
2905 | ||
2906 | key[0] = tp->sport | (tp->sip << 16); | |
2907 | key[1] = (tp->sip >> 16) | (tp->dport << 16); | |
2908 | key[2] = tp->dip; | |
2909 | key[3] = tp->proto | (tp->vlan << 8) | (tp->intf << 20); | |
2910 | ||
2911 | mask[0] = tp->sport_mask | (tp->sip_mask << 16); | |
2912 | mask[1] = (tp->sip_mask >> 16) | (tp->dport_mask << 16); | |
2913 | mask[2] = tp->dip_mask; | |
2914 | mask[3] = tp->proto_mask | (tp->vlan_mask << 8) | (tp->intf_mask << 20); | |
2915 | ||
2916 | if (invert) | |
2917 | key[3] |= (1 << 29); | |
2918 | if (enable) | |
2919 | key[3] |= (1 << 28); | |
2920 | ||
2921 | addr = filter_index ? A_TP_RX_TRC_KEY0 : A_TP_TX_TRC_KEY0; | |
2922 | tp_wr_indirect(adapter, addr++, key[0]); | |
2923 | tp_wr_indirect(adapter, addr++, mask[0]); | |
2924 | tp_wr_indirect(adapter, addr++, key[1]); | |
2925 | tp_wr_indirect(adapter, addr++, mask[1]); | |
2926 | tp_wr_indirect(adapter, addr++, key[2]); | |
2927 | tp_wr_indirect(adapter, addr++, mask[2]); | |
2928 | tp_wr_indirect(adapter, addr++, key[3]); | |
2929 | tp_wr_indirect(adapter, addr, mask[3]); | |
2930 | t3_read_reg(adapter, A_TP_PIO_DATA); | |
2931 | } | |
2932 | ||
2933 | /** | |
2934 | * t3_config_sched - configure a HW traffic scheduler | |
2935 | * @adap: the adapter | |
2936 | * @kbps: target rate in Kbps | |
2937 | * @sched: the scheduler index | |
2938 | * | |
2939 | * Configure a HW scheduler for the target rate | |
2940 | */ | |
2941 | int t3_config_sched(struct adapter *adap, unsigned int kbps, int sched) | |
2942 | { | |
2943 | unsigned int v, tps, cpt, bpt, delta, mindelta = ~0; | |
2944 | unsigned int clk = adap->params.vpd.cclk * 1000; | |
2945 | unsigned int selected_cpt = 0, selected_bpt = 0; | |
2946 | ||
2947 | if (kbps > 0) { | |
2948 | kbps *= 125; /* -> bytes */ | |
2949 | for (cpt = 1; cpt <= 255; cpt++) { | |
2950 | tps = clk / cpt; | |
2951 | bpt = (kbps + tps / 2) / tps; | |
2952 | if (bpt > 0 && bpt <= 255) { | |
2953 | v = bpt * tps; | |
2954 | delta = v >= kbps ? v - kbps : kbps - v; | |
2955 | if (delta <= mindelta) { | |
2956 | mindelta = delta; | |
2957 | selected_cpt = cpt; | |
2958 | selected_bpt = bpt; | |
2959 | } | |
2960 | } else if (selected_cpt) | |
2961 | break; | |
2962 | } | |
2963 | if (!selected_cpt) | |
2964 | return -EINVAL; | |
2965 | } | |
2966 | t3_write_reg(adap, A_TP_TM_PIO_ADDR, | |
2967 | A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2); | |
2968 | v = t3_read_reg(adap, A_TP_TM_PIO_DATA); | |
2969 | if (sched & 1) | |
2970 | v = (v & 0xffff) | (selected_cpt << 16) | (selected_bpt << 24); | |
2971 | else | |
2972 | v = (v & 0xffff0000) | selected_cpt | (selected_bpt << 8); | |
2973 | t3_write_reg(adap, A_TP_TM_PIO_DATA, v); | |
2974 | return 0; | |
2975 | } | |
2976 | ||
2977 | static int tp_init(struct adapter *adap, const struct tp_params *p) | |
2978 | { | |
2979 | int busy = 0; | |
2980 | ||
2981 | tp_config(adap, p); | |
2982 | t3_set_vlan_accel(adap, 3, 0); | |
2983 | ||
2984 | if (is_offload(adap)) { | |
2985 | tp_set_timers(adap, adap->params.vpd.cclk * 1000); | |
2986 | t3_write_reg(adap, A_TP_RESET, F_FLSTINITENABLE); | |
2987 | busy = t3_wait_op_done(adap, A_TP_RESET, F_FLSTINITENABLE, | |
2988 | 0, 1000, 5); | |
2989 | if (busy) | |
2990 | CH_ERR(adap, "TP initialization timed out\n"); | |
2991 | } | |
2992 | ||
2993 | if (!busy) | |
2994 | t3_write_reg(adap, A_TP_RESET, F_TPRESET); | |
2995 | return busy; | |
2996 | } | |
2997 | ||
2998 | int t3_mps_set_active_ports(struct adapter *adap, unsigned int port_mask) | |
2999 | { | |
3000 | if (port_mask & ~((1 << adap->params.nports) - 1)) | |
3001 | return -EINVAL; | |
3002 | t3_set_reg_field(adap, A_MPS_CFG, F_PORT1ACTIVE | F_PORT0ACTIVE, | |
3003 | port_mask << S_PORT0ACTIVE); | |
3004 | return 0; | |
3005 | } | |
3006 | ||
3007 | /* | |
3008 | * Perform the bits of HW initialization that are dependent on the number | |
3009 | * of available ports. | |
3010 | */ | |
3011 | static void init_hw_for_avail_ports(struct adapter *adap, int nports) | |
3012 | { | |
3013 | int i; | |
3014 | ||
3015 | if (nports == 1) { | |
3016 | t3_set_reg_field(adap, A_ULPRX_CTL, F_ROUND_ROBIN, 0); | |
3017 | t3_set_reg_field(adap, A_ULPTX_CONFIG, F_CFG_RR_ARB, 0); | |
3018 | t3_write_reg(adap, A_MPS_CFG, F_TPRXPORTEN | F_TPTXPORT0EN | | |
3019 | F_PORT0ACTIVE | F_ENFORCEPKT); | |
8a9fab22 | 3020 | t3_write_reg(adap, A_PM1_TX_CFG, 0xffffffff); |
4d22de3e DLR |
3021 | } else { |
3022 | t3_set_reg_field(adap, A_ULPRX_CTL, 0, F_ROUND_ROBIN); | |
3023 | t3_set_reg_field(adap, A_ULPTX_CONFIG, 0, F_CFG_RR_ARB); | |
3024 | t3_write_reg(adap, A_ULPTX_DMA_WEIGHT, | |
3025 | V_D1_WEIGHT(16) | V_D0_WEIGHT(16)); | |
3026 | t3_write_reg(adap, A_MPS_CFG, F_TPTXPORT0EN | F_TPTXPORT1EN | | |
3027 | F_TPRXPORTEN | F_PORT0ACTIVE | F_PORT1ACTIVE | | |
3028 | F_ENFORCEPKT); | |
3029 | t3_write_reg(adap, A_PM1_TX_CFG, 0x80008000); | |
3030 | t3_set_reg_field(adap, A_TP_PC_CONFIG, 0, F_TXTOSQUEUEMAPMODE); | |
3031 | t3_write_reg(adap, A_TP_TX_MOD_QUEUE_REQ_MAP, | |
3032 | V_TX_MOD_QUEUE_REQ_MAP(0xaa)); | |
3033 | for (i = 0; i < 16; i++) | |
3034 | t3_write_reg(adap, A_TP_TX_MOD_QUE_TABLE, | |
3035 | (i << 16) | 0x1010); | |
3036 | } | |
3037 | } | |
3038 | ||
3039 | static int calibrate_xgm(struct adapter *adapter) | |
3040 | { | |
3041 | if (uses_xaui(adapter)) { | |
3042 | unsigned int v, i; | |
3043 | ||
3044 | for (i = 0; i < 5; ++i) { | |
3045 | t3_write_reg(adapter, A_XGM_XAUI_IMP, 0); | |
3046 | t3_read_reg(adapter, A_XGM_XAUI_IMP); | |
3047 | msleep(1); | |
3048 | v = t3_read_reg(adapter, A_XGM_XAUI_IMP); | |
3049 | if (!(v & (F_XGM_CALFAULT | F_CALBUSY))) { | |
3050 | t3_write_reg(adapter, A_XGM_XAUI_IMP, | |
3051 | V_XAUIIMP(G_CALIMP(v) >> 2)); | |
3052 | return 0; | |
3053 | } | |
3054 | } | |
3055 | CH_ERR(adapter, "MAC calibration failed\n"); | |
3056 | return -1; | |
3057 | } else { | |
3058 | t3_write_reg(adapter, A_XGM_RGMII_IMP, | |
3059 | V_RGMIIIMPPD(2) | V_RGMIIIMPPU(3)); | |
3060 | t3_set_reg_field(adapter, A_XGM_RGMII_IMP, F_XGM_IMPSETUPDATE, | |
3061 | F_XGM_IMPSETUPDATE); | |
3062 | } | |
3063 | return 0; | |
3064 | } | |
3065 | ||
3066 | static void calibrate_xgm_t3b(struct adapter *adapter) | |
3067 | { | |
3068 | if (!uses_xaui(adapter)) { | |
3069 | t3_write_reg(adapter, A_XGM_RGMII_IMP, F_CALRESET | | |
3070 | F_CALUPDATE | V_RGMIIIMPPD(2) | V_RGMIIIMPPU(3)); | |
3071 | t3_set_reg_field(adapter, A_XGM_RGMII_IMP, F_CALRESET, 0); | |
3072 | t3_set_reg_field(adapter, A_XGM_RGMII_IMP, 0, | |
3073 | F_XGM_IMPSETUPDATE); | |
3074 | t3_set_reg_field(adapter, A_XGM_RGMII_IMP, F_XGM_IMPSETUPDATE, | |
3075 | 0); | |
3076 | t3_set_reg_field(adapter, A_XGM_RGMII_IMP, F_CALUPDATE, 0); | |
3077 | t3_set_reg_field(adapter, A_XGM_RGMII_IMP, 0, F_CALUPDATE); | |
3078 | } | |
3079 | } | |
3080 | ||
3081 | struct mc7_timing_params { | |
3082 | unsigned char ActToPreDly; | |
3083 | unsigned char ActToRdWrDly; | |
3084 | unsigned char PreCyc; | |
3085 | unsigned char RefCyc[5]; | |
3086 | unsigned char BkCyc; | |
3087 | unsigned char WrToRdDly; | |
3088 | unsigned char RdToWrDly; | |
3089 | }; | |
3090 | ||
3091 | /* | |
3092 | * Write a value to a register and check that the write completed. These | |
3093 | * writes normally complete in a cycle or two, so one read should suffice. | |
3094 | * The very first read exists to flush the posted write to the device. | |
3095 | */ | |
3096 | static int wrreg_wait(struct adapter *adapter, unsigned int addr, u32 val) | |
3097 | { | |
3098 | t3_write_reg(adapter, addr, val); | |
3099 | t3_read_reg(adapter, addr); /* flush */ | |
3100 | if (!(t3_read_reg(adapter, addr) & F_BUSY)) | |
3101 | return 0; | |
3102 | CH_ERR(adapter, "write to MC7 register 0x%x timed out\n", addr); | |
3103 | return -EIO; | |
3104 | } | |
3105 | ||
3106 | static int mc7_init(struct mc7 *mc7, unsigned int mc7_clock, int mem_type) | |
3107 | { | |
3108 | static const unsigned int mc7_mode[] = { | |
3109 | 0x632, 0x642, 0x652, 0x432, 0x442 | |
3110 | }; | |
3111 | static const struct mc7_timing_params mc7_timings[] = { | |
3112 | {12, 3, 4, {20, 28, 34, 52, 0}, 15, 6, 4}, | |
3113 | {12, 4, 5, {20, 28, 34, 52, 0}, 16, 7, 4}, | |
3114 | {12, 5, 6, {20, 28, 34, 52, 0}, 17, 8, 4}, | |
3115 | {9, 3, 4, {15, 21, 26, 39, 0}, 12, 6, 4}, | |
3116 | {9, 4, 5, {15, 21, 26, 39, 0}, 13, 7, 4} | |
3117 | }; | |
3118 | ||
3119 | u32 val; | |
3120 | unsigned int width, density, slow, attempts; | |
3121 | struct adapter *adapter = mc7->adapter; | |
3122 | const struct mc7_timing_params *p = &mc7_timings[mem_type]; | |
3123 | ||
8ac3ba68 DLR |
3124 | if (!mc7->size) |
3125 | return 0; | |
3126 | ||
4d22de3e DLR |
3127 | val = t3_read_reg(adapter, mc7->offset + A_MC7_CFG); |
3128 | slow = val & F_SLOW; | |
3129 | width = G_WIDTH(val); | |
3130 | density = G_DEN(val); | |
3131 | ||
3132 | t3_write_reg(adapter, mc7->offset + A_MC7_CFG, val | F_IFEN); | |
3133 | val = t3_read_reg(adapter, mc7->offset + A_MC7_CFG); /* flush */ | |
3134 | msleep(1); | |
3135 | ||
3136 | if (!slow) { | |
3137 | t3_write_reg(adapter, mc7->offset + A_MC7_CAL, F_SGL_CAL_EN); | |
3138 | t3_read_reg(adapter, mc7->offset + A_MC7_CAL); | |
3139 | msleep(1); | |
3140 | if (t3_read_reg(adapter, mc7->offset + A_MC7_CAL) & | |
3141 | (F_BUSY | F_SGL_CAL_EN | F_CAL_FAULT)) { | |
3142 | CH_ERR(adapter, "%s MC7 calibration timed out\n", | |
3143 | mc7->name); | |
3144 | goto out_fail; | |
3145 | } | |
3146 | } | |
3147 | ||
3148 | t3_write_reg(adapter, mc7->offset + A_MC7_PARM, | |
3149 | V_ACTTOPREDLY(p->ActToPreDly) | | |
3150 | V_ACTTORDWRDLY(p->ActToRdWrDly) | V_PRECYC(p->PreCyc) | | |
3151 | V_REFCYC(p->RefCyc[density]) | V_BKCYC(p->BkCyc) | | |
3152 | V_WRTORDDLY(p->WrToRdDly) | V_RDTOWRDLY(p->RdToWrDly)); | |
3153 | ||
3154 | t3_write_reg(adapter, mc7->offset + A_MC7_CFG, | |
3155 | val | F_CLKEN | F_TERM150); | |
3156 | t3_read_reg(adapter, mc7->offset + A_MC7_CFG); /* flush */ | |
3157 | ||
3158 | if (!slow) | |
3159 | t3_set_reg_field(adapter, mc7->offset + A_MC7_DLL, F_DLLENB, | |
3160 | F_DLLENB); | |
3161 | udelay(1); | |
3162 | ||
3163 | val = slow ? 3 : 6; | |
3164 | if (wrreg_wait(adapter, mc7->offset + A_MC7_PRE, 0) || | |
3165 | wrreg_wait(adapter, mc7->offset + A_MC7_EXT_MODE2, 0) || | |
3166 | wrreg_wait(adapter, mc7->offset + A_MC7_EXT_MODE3, 0) || | |
3167 | wrreg_wait(adapter, mc7->offset + A_MC7_EXT_MODE1, val)) | |
3168 | goto out_fail; | |
3169 | ||
3170 | if (!slow) { | |
3171 | t3_write_reg(adapter, mc7->offset + A_MC7_MODE, 0x100); | |
3172 | t3_set_reg_field(adapter, mc7->offset + A_MC7_DLL, F_DLLRST, 0); | |
3173 | udelay(5); | |
3174 | } | |
3175 | ||
3176 | if (wrreg_wait(adapter, mc7->offset + A_MC7_PRE, 0) || | |
3177 | wrreg_wait(adapter, mc7->offset + A_MC7_REF, 0) || | |
3178 | wrreg_wait(adapter, mc7->offset + A_MC7_REF, 0) || | |
3179 | wrreg_wait(adapter, mc7->offset + A_MC7_MODE, | |
3180 | mc7_mode[mem_type]) || | |
3181 | wrreg_wait(adapter, mc7->offset + A_MC7_EXT_MODE1, val | 0x380) || | |
3182 | wrreg_wait(adapter, mc7->offset + A_MC7_EXT_MODE1, val)) | |
3183 | goto out_fail; | |
3184 | ||
3185 | /* clock value is in KHz */ | |
3186 | mc7_clock = mc7_clock * 7812 + mc7_clock / 2; /* ns */ | |
3187 | mc7_clock /= 1000000; /* KHz->MHz, ns->us */ | |
3188 | ||
3189 | t3_write_reg(adapter, mc7->offset + A_MC7_REF, | |
3190 | F_PERREFEN | V_PREREFDIV(mc7_clock)); | |
3191 | t3_read_reg(adapter, mc7->offset + A_MC7_REF); /* flush */ | |
3192 | ||
3193 | t3_write_reg(adapter, mc7->offset + A_MC7_ECC, F_ECCGENEN | F_ECCCHKEN); | |
3194 | t3_write_reg(adapter, mc7->offset + A_MC7_BIST_DATA, 0); | |
3195 | t3_write_reg(adapter, mc7->offset + A_MC7_BIST_ADDR_BEG, 0); | |
3196 | t3_write_reg(adapter, mc7->offset + A_MC7_BIST_ADDR_END, | |
3197 | (mc7->size << width) - 1); | |
3198 | t3_write_reg(adapter, mc7->offset + A_MC7_BIST_OP, V_OP(1)); | |
3199 | t3_read_reg(adapter, mc7->offset + A_MC7_BIST_OP); /* flush */ | |
3200 | ||
3201 | attempts = 50; | |
3202 | do { | |
3203 | msleep(250); | |
3204 | val = t3_read_reg(adapter, mc7->offset + A_MC7_BIST_OP); | |
3205 | } while ((val & F_BUSY) && --attempts); | |
3206 | if (val & F_BUSY) { | |
3207 | CH_ERR(adapter, "%s MC7 BIST timed out\n", mc7->name); | |
3208 | goto out_fail; | |
3209 | } | |
3210 | ||
3211 | /* Enable normal memory accesses. */ | |
3212 | t3_set_reg_field(adapter, mc7->offset + A_MC7_CFG, 0, F_RDY); | |
3213 | return 0; | |
3214 | ||
3215 | out_fail: | |
3216 | return -1; | |
3217 | } | |
3218 | ||
3219 | static void config_pcie(struct adapter *adap) | |
3220 | { | |
3221 | static const u16 ack_lat[4][6] = { | |
3222 | {237, 416, 559, 1071, 2095, 4143}, | |
3223 | {128, 217, 289, 545, 1057, 2081}, | |
3224 | {73, 118, 154, 282, 538, 1050}, | |
3225 | {67, 107, 86, 150, 278, 534} | |
3226 | }; | |
3227 | static const u16 rpl_tmr[4][6] = { | |
3228 | {711, 1248, 1677, 3213, 6285, 12429}, | |
3229 | {384, 651, 867, 1635, 3171, 6243}, | |
3230 | {219, 354, 462, 846, 1614, 3150}, | |
3231 | {201, 321, 258, 450, 834, 1602} | |
3232 | }; | |
3233 | ||
3234 | u16 val; | |
3235 | unsigned int log2_width, pldsize; | |
3236 | unsigned int fst_trn_rx, fst_trn_tx, acklat, rpllmt; | |
3237 | ||
3238 | pci_read_config_word(adap->pdev, | |
3239 | adap->params.pci.pcie_cap_addr + PCI_EXP_DEVCTL, | |
3240 | &val); | |
3241 | pldsize = (val & PCI_EXP_DEVCTL_PAYLOAD) >> 5; | |
3242 | pci_read_config_word(adap->pdev, | |
3243 | adap->params.pci.pcie_cap_addr + PCI_EXP_LNKCTL, | |
3244 | &val); | |
3245 | ||
3246 | fst_trn_tx = G_NUMFSTTRNSEQ(t3_read_reg(adap, A_PCIE_PEX_CTRL0)); | |
3247 | fst_trn_rx = adap->params.rev == 0 ? fst_trn_tx : | |
3248 | G_NUMFSTTRNSEQRX(t3_read_reg(adap, A_PCIE_MODE)); | |
3249 | log2_width = fls(adap->params.pci.width) - 1; | |
3250 | acklat = ack_lat[log2_width][pldsize]; | |
3251 | if (val & 1) /* check LOsEnable */ | |
3252 | acklat += fst_trn_tx * 4; | |
3253 | rpllmt = rpl_tmr[log2_width][pldsize] + fst_trn_rx * 4; | |
3254 | ||
3255 | if (adap->params.rev == 0) | |
3256 | t3_set_reg_field(adap, A_PCIE_PEX_CTRL1, | |
3257 | V_T3A_ACKLAT(M_T3A_ACKLAT), | |
3258 | V_T3A_ACKLAT(acklat)); | |
3259 | else | |
3260 | t3_set_reg_field(adap, A_PCIE_PEX_CTRL1, V_ACKLAT(M_ACKLAT), | |
3261 | V_ACKLAT(acklat)); | |
3262 | ||
3263 | t3_set_reg_field(adap, A_PCIE_PEX_CTRL0, V_REPLAYLMT(M_REPLAYLMT), | |
3264 | V_REPLAYLMT(rpllmt)); | |
3265 | ||
3266 | t3_write_reg(adap, A_PCIE_PEX_ERR, 0xffffffff); | |
b881955b | 3267 | t3_set_reg_field(adap, A_PCIE_CFG, 0, |
204e2f98 | 3268 | F_ENABLELINKDWNDRST | F_ENABLELINKDOWNRST | |
b881955b | 3269 | F_PCIE_DMASTOPEN | F_PCIE_CLIDECEN); |
4d22de3e DLR |
3270 | } |
3271 | ||
3272 | /* | |
3273 | * Initialize and configure T3 HW modules. This performs the | |
3274 | * initialization steps that need to be done once after a card is reset. | |
3275 | * MAC and PHY initialization is handled separarely whenever a port is enabled. | |
3276 | * | |
3277 | * fw_params are passed to FW and their value is platform dependent. Only the | |
3278 | * top 8 bits are available for use, the rest must be 0. | |
3279 | */ | |
3280 | int t3_init_hw(struct adapter *adapter, u32 fw_params) | |
3281 | { | |
b881955b | 3282 | int err = -EIO, attempts, i; |
4d22de3e DLR |
3283 | const struct vpd_params *vpd = &adapter->params.vpd; |
3284 | ||
3285 | if (adapter->params.rev > 0) | |
3286 | calibrate_xgm_t3b(adapter); | |
3287 | else if (calibrate_xgm(adapter)) | |
3288 | goto out_err; | |
3289 | ||
3290 | if (vpd->mclk) { | |
3291 | partition_mem(adapter, &adapter->params.tp); | |
3292 | ||
3293 | if (mc7_init(&adapter->pmrx, vpd->mclk, vpd->mem_timing) || | |
3294 | mc7_init(&adapter->pmtx, vpd->mclk, vpd->mem_timing) || | |
3295 | mc7_init(&adapter->cm, vpd->mclk, vpd->mem_timing) || | |
3296 | t3_mc5_init(&adapter->mc5, adapter->params.mc5.nservers, | |
3297 | adapter->params.mc5.nfilters, | |
3298 | adapter->params.mc5.nroutes)) | |
3299 | goto out_err; | |
b881955b DLR |
3300 | |
3301 | for (i = 0; i < 32; i++) | |
3302 | if (clear_sge_ctxt(adapter, i, F_CQ)) | |
3303 | goto out_err; | |
4d22de3e DLR |
3304 | } |
3305 | ||
3306 | if (tp_init(adapter, &adapter->params.tp)) | |
3307 | goto out_err; | |
3308 | ||
3309 | t3_tp_set_coalescing_size(adapter, | |
3310 | min(adapter->params.sge.max_pkt_size, | |
3311 | MAX_RX_COALESCING_LEN), 1); | |
3312 | t3_tp_set_max_rxsize(adapter, | |
3313 | min(adapter->params.sge.max_pkt_size, 16384U)); | |
3314 | ulp_config(adapter, &adapter->params.tp); | |
3315 | ||
3316 | if (is_pcie(adapter)) | |
3317 | config_pcie(adapter); | |
3318 | else | |
b881955b DLR |
3319 | t3_set_reg_field(adapter, A_PCIX_CFG, 0, |
3320 | F_DMASTOPEN | F_CLIDECEN); | |
4d22de3e | 3321 | |
a2604be5 DLR |
3322 | if (adapter->params.rev == T3_REV_C) |
3323 | t3_set_reg_field(adapter, A_ULPTX_CONFIG, 0, | |
3324 | F_CFG_CQE_SOP_MASK); | |
3325 | ||
8a9fab22 | 3326 | t3_write_reg(adapter, A_PM1_RX_CFG, 0xffffffff); |
3f61e427 DLR |
3327 | t3_write_reg(adapter, A_PM1_RX_MODE, 0); |
3328 | t3_write_reg(adapter, A_PM1_TX_MODE, 0); | |
4d22de3e DLR |
3329 | init_hw_for_avail_ports(adapter, adapter->params.nports); |
3330 | t3_sge_init(adapter, &adapter->params.sge); | |
3331 | ||
3332 | t3_write_reg(adapter, A_CIM_HOST_ACC_DATA, vpd->uclk | fw_params); | |
3333 | t3_write_reg(adapter, A_CIM_BOOT_CFG, | |
3334 | V_BOOTADDR(FW_FLASH_BOOT_ADDR >> 2)); | |
3335 | t3_read_reg(adapter, A_CIM_BOOT_CFG); /* flush */ | |
3336 | ||
b881955b | 3337 | attempts = 100; |
4d22de3e DLR |
3338 | do { /* wait for uP to initialize */ |
3339 | msleep(20); | |
3340 | } while (t3_read_reg(adapter, A_CIM_HOST_ACC_DATA) && --attempts); | |
8ac3ba68 DLR |
3341 | if (!attempts) { |
3342 | CH_ERR(adapter, "uP initialization timed out\n"); | |
4d22de3e | 3343 | goto out_err; |
8ac3ba68 | 3344 | } |
4d22de3e DLR |
3345 | |
3346 | err = 0; | |
3347 | out_err: | |
3348 | return err; | |
3349 | } | |
3350 | ||
3351 | /** | |
3352 | * get_pci_mode - determine a card's PCI mode | |
3353 | * @adapter: the adapter | |
3354 | * @p: where to store the PCI settings | |
3355 | * | |
3356 | * Determines a card's PCI mode and associated parameters, such as speed | |
3357 | * and width. | |
3358 | */ | |
7b9b0943 | 3359 | static void get_pci_mode(struct adapter *adapter, struct pci_params *p) |
4d22de3e DLR |
3360 | { |
3361 | static unsigned short speed_map[] = { 33, 66, 100, 133 }; | |
3362 | u32 pci_mode, pcie_cap; | |
3363 | ||
3364 | pcie_cap = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP); | |
3365 | if (pcie_cap) { | |
3366 | u16 val; | |
3367 | ||
3368 | p->variant = PCI_VARIANT_PCIE; | |
3369 | p->pcie_cap_addr = pcie_cap; | |
3370 | pci_read_config_word(adapter->pdev, pcie_cap + PCI_EXP_LNKSTA, | |
3371 | &val); | |
3372 | p->width = (val >> 4) & 0x3f; | |
3373 | return; | |
3374 | } | |
3375 | ||
3376 | pci_mode = t3_read_reg(adapter, A_PCIX_MODE); | |
3377 | p->speed = speed_map[G_PCLKRANGE(pci_mode)]; | |
3378 | p->width = (pci_mode & F_64BIT) ? 64 : 32; | |
3379 | pci_mode = G_PCIXINITPAT(pci_mode); | |
3380 | if (pci_mode == 0) | |
3381 | p->variant = PCI_VARIANT_PCI; | |
3382 | else if (pci_mode < 4) | |
3383 | p->variant = PCI_VARIANT_PCIX_MODE1_PARITY; | |
3384 | else if (pci_mode < 8) | |
3385 | p->variant = PCI_VARIANT_PCIX_MODE1_ECC; | |
3386 | else | |
3387 | p->variant = PCI_VARIANT_PCIX_266_MODE2; | |
3388 | } | |
3389 | ||
3390 | /** | |
3391 | * init_link_config - initialize a link's SW state | |
3392 | * @lc: structure holding the link state | |
3393 | * @ai: information about the current card | |
3394 | * | |
3395 | * Initializes the SW state maintained for each link, including the link's | |
3396 | * capabilities and default speed/duplex/flow-control/autonegotiation | |
3397 | * settings. | |
3398 | */ | |
7b9b0943 | 3399 | static void init_link_config(struct link_config *lc, unsigned int caps) |
4d22de3e DLR |
3400 | { |
3401 | lc->supported = caps; | |
3402 | lc->requested_speed = lc->speed = SPEED_INVALID; | |
3403 | lc->requested_duplex = lc->duplex = DUPLEX_INVALID; | |
3404 | lc->requested_fc = lc->fc = PAUSE_RX | PAUSE_TX; | |
3405 | if (lc->supported & SUPPORTED_Autoneg) { | |
3406 | lc->advertising = lc->supported; | |
3407 | lc->autoneg = AUTONEG_ENABLE; | |
3408 | lc->requested_fc |= PAUSE_AUTONEG; | |
3409 | } else { | |
3410 | lc->advertising = 0; | |
3411 | lc->autoneg = AUTONEG_DISABLE; | |
3412 | } | |
3413 | } | |
3414 | ||
3415 | /** | |
3416 | * mc7_calc_size - calculate MC7 memory size | |
3417 | * @cfg: the MC7 configuration | |
3418 | * | |
3419 | * Calculates the size of an MC7 memory in bytes from the value of its | |
3420 | * configuration register. | |
3421 | */ | |
7b9b0943 | 3422 | static unsigned int mc7_calc_size(u32 cfg) |
4d22de3e DLR |
3423 | { |
3424 | unsigned int width = G_WIDTH(cfg); | |
3425 | unsigned int banks = !!(cfg & F_BKS) + 1; | |
3426 | unsigned int org = !!(cfg & F_ORG) + 1; | |
3427 | unsigned int density = G_DEN(cfg); | |
3428 | unsigned int MBs = ((256 << density) * banks) / (org << width); | |
3429 | ||
3430 | return MBs << 20; | |
3431 | } | |
3432 | ||
7b9b0943 RD |
3433 | static void mc7_prep(struct adapter *adapter, struct mc7 *mc7, |
3434 | unsigned int base_addr, const char *name) | |
4d22de3e DLR |
3435 | { |
3436 | u32 cfg; | |
3437 | ||
3438 | mc7->adapter = adapter; | |
3439 | mc7->name = name; | |
3440 | mc7->offset = base_addr - MC7_PMRX_BASE_ADDR; | |
3441 | cfg = t3_read_reg(adapter, mc7->offset + A_MC7_CFG); | |
8ac3ba68 | 3442 | mc7->size = mc7->size = G_DEN(cfg) == M_DEN ? 0 : mc7_calc_size(cfg); |
4d22de3e DLR |
3443 | mc7->width = G_WIDTH(cfg); |
3444 | } | |
3445 | ||
3446 | void mac_prep(struct cmac *mac, struct adapter *adapter, int index) | |
3447 | { | |
3448 | mac->adapter = adapter; | |
3449 | mac->offset = (XGMAC0_1_BASE_ADDR - XGMAC0_0_BASE_ADDR) * index; | |
3450 | mac->nucast = 1; | |
3451 | ||
3452 | if (adapter->params.rev == 0 && uses_xaui(adapter)) { | |
3453 | t3_write_reg(adapter, A_XGM_SERDES_CTRL + mac->offset, | |
3454 | is_10G(adapter) ? 0x2901c04 : 0x2301c04); | |
3455 | t3_set_reg_field(adapter, A_XGM_PORT_CFG + mac->offset, | |
3456 | F_ENRGMII, 0); | |
3457 | } | |
3458 | } | |
3459 | ||
3460 | void early_hw_init(struct adapter *adapter, const struct adapter_info *ai) | |
3461 | { | |
3462 | u32 val = V_PORTSPEED(is_10G(adapter) ? 3 : 2); | |
3463 | ||
3464 | mi1_init(adapter, ai); | |
3465 | t3_write_reg(adapter, A_I2C_CFG, /* set for 80KHz */ | |
3466 | V_I2C_CLKDIV(adapter->params.vpd.cclk / 80 - 1)); | |
3467 | t3_write_reg(adapter, A_T3DBG_GPIO_EN, | |
3468 | ai->gpio_out | F_GPIO0_OEN | F_GPIO0_OUT_VAL); | |
8ac3ba68 | 3469 | t3_write_reg(adapter, A_MC5_DB_SERVER_INDEX, 0); |
b881955b | 3470 | t3_write_reg(adapter, A_SG_OCO_BASE, V_BASE1(0xfff)); |
4d22de3e DLR |
3471 | |
3472 | if (adapter->params.rev == 0 || !uses_xaui(adapter)) | |
3473 | val |= F_ENRGMII; | |
3474 | ||
3475 | /* Enable MAC clocks so we can access the registers */ | |
3476 | t3_write_reg(adapter, A_XGM_PORT_CFG, val); | |
3477 | t3_read_reg(adapter, A_XGM_PORT_CFG); | |
3478 | ||
3479 | val |= F_CLKDIVRESET_; | |
3480 | t3_write_reg(adapter, A_XGM_PORT_CFG, val); | |
3481 | t3_read_reg(adapter, A_XGM_PORT_CFG); | |
3482 | t3_write_reg(adapter, XGM_REG(A_XGM_PORT_CFG, 1), val); | |
3483 | t3_read_reg(adapter, A_XGM_PORT_CFG); | |
3484 | } | |
3485 | ||
3486 | /* | |
2eab17ab | 3487 | * Reset the adapter. |
e4d08359 | 3488 | * Older PCIe cards lose their config space during reset, PCI-X |
4d22de3e DLR |
3489 | * ones don't. |
3490 | */ | |
9265fabf | 3491 | static int t3_reset_adapter(struct adapter *adapter) |
4d22de3e | 3492 | { |
2eab17ab | 3493 | int i, save_and_restore_pcie = |
e4d08359 | 3494 | adapter->params.rev < T3_REV_B2 && is_pcie(adapter); |
4d22de3e DLR |
3495 | uint16_t devid = 0; |
3496 | ||
e4d08359 | 3497 | if (save_and_restore_pcie) |
4d22de3e DLR |
3498 | pci_save_state(adapter->pdev); |
3499 | t3_write_reg(adapter, A_PL_RST, F_CRSTWRM | F_CRSTWRMMODE); | |
3500 | ||
3501 | /* | |
3502 | * Delay. Give Some time to device to reset fully. | |
3503 | * XXX The delay time should be modified. | |
3504 | */ | |
3505 | for (i = 0; i < 10; i++) { | |
3506 | msleep(50); | |
3507 | pci_read_config_word(adapter->pdev, 0x00, &devid); | |
3508 | if (devid == 0x1425) | |
3509 | break; | |
3510 | } | |
3511 | ||
3512 | if (devid != 0x1425) | |
3513 | return -1; | |
3514 | ||
e4d08359 | 3515 | if (save_and_restore_pcie) |
4d22de3e DLR |
3516 | pci_restore_state(adapter->pdev); |
3517 | return 0; | |
3518 | } | |
3519 | ||
7b9b0943 | 3520 | static int init_parity(struct adapter *adap) |
b881955b DLR |
3521 | { |
3522 | int i, err, addr; | |
3523 | ||
3524 | if (t3_read_reg(adap, A_SG_CONTEXT_CMD) & F_CONTEXT_CMD_BUSY) | |
3525 | return -EBUSY; | |
3526 | ||
3527 | for (err = i = 0; !err && i < 16; i++) | |
3528 | err = clear_sge_ctxt(adap, i, F_EGRESS); | |
3529 | for (i = 0xfff0; !err && i <= 0xffff; i++) | |
3530 | err = clear_sge_ctxt(adap, i, F_EGRESS); | |
3531 | for (i = 0; !err && i < SGE_QSETS; i++) | |
3532 | err = clear_sge_ctxt(adap, i, F_RESPONSEQ); | |
3533 | if (err) | |
3534 | return err; | |
3535 | ||
3536 | t3_write_reg(adap, A_CIM_IBQ_DBG_DATA, 0); | |
3537 | for (i = 0; i < 4; i++) | |
3538 | for (addr = 0; addr <= M_IBQDBGADDR; addr++) { | |
3539 | t3_write_reg(adap, A_CIM_IBQ_DBG_CFG, F_IBQDBGEN | | |
3540 | F_IBQDBGWR | V_IBQDBGQID(i) | | |
3541 | V_IBQDBGADDR(addr)); | |
3542 | err = t3_wait_op_done(adap, A_CIM_IBQ_DBG_CFG, | |
3543 | F_IBQDBGBUSY, 0, 2, 1); | |
3544 | if (err) | |
3545 | return err; | |
3546 | } | |
3547 | return 0; | |
3548 | } | |
3549 | ||
4d22de3e DLR |
3550 | /* |
3551 | * Initialize adapter SW state for the various HW modules, set initial values | |
3552 | * for some adapter tunables, take PHYs out of reset, and initialize the MDIO | |
3553 | * interface. | |
3554 | */ | |
7b9b0943 RD |
3555 | int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai, |
3556 | int reset) | |
4d22de3e DLR |
3557 | { |
3558 | int ret; | |
3559 | unsigned int i, j = 0; | |
3560 | ||
3561 | get_pci_mode(adapter, &adapter->params.pci); | |
3562 | ||
3563 | adapter->params.info = ai; | |
3564 | adapter->params.nports = ai->nports; | |
3565 | adapter->params.rev = t3_read_reg(adapter, A_PL_REV); | |
3566 | adapter->params.linkpoll_period = 0; | |
3567 | adapter->params.stats_update_period = is_10G(adapter) ? | |
3568 | MAC_STATS_ACCUM_SECS : (MAC_STATS_ACCUM_SECS * 10); | |
3569 | adapter->params.pci.vpd_cap_addr = | |
3570 | pci_find_capability(adapter->pdev, PCI_CAP_ID_VPD); | |
3571 | ret = get_vpd_params(adapter, &adapter->params.vpd); | |
3572 | if (ret < 0) | |
3573 | return ret; | |
3574 | ||
3575 | if (reset && t3_reset_adapter(adapter)) | |
3576 | return -1; | |
3577 | ||
3578 | t3_sge_prep(adapter, &adapter->params.sge); | |
3579 | ||
3580 | if (adapter->params.vpd.mclk) { | |
3581 | struct tp_params *p = &adapter->params.tp; | |
3582 | ||
3583 | mc7_prep(adapter, &adapter->pmrx, MC7_PMRX_BASE_ADDR, "PMRX"); | |
3584 | mc7_prep(adapter, &adapter->pmtx, MC7_PMTX_BASE_ADDR, "PMTX"); | |
3585 | mc7_prep(adapter, &adapter->cm, MC7_CM_BASE_ADDR, "CM"); | |
3586 | ||
3587 | p->nchan = ai->nports; | |
3588 | p->pmrx_size = t3_mc7_size(&adapter->pmrx); | |
3589 | p->pmtx_size = t3_mc7_size(&adapter->pmtx); | |
3590 | p->cm_size = t3_mc7_size(&adapter->cm); | |
3591 | p->chan_rx_size = p->pmrx_size / 2; /* only 1 Rx channel */ | |
3592 | p->chan_tx_size = p->pmtx_size / p->nchan; | |
3593 | p->rx_pg_size = 64 * 1024; | |
3594 | p->tx_pg_size = is_10G(adapter) ? 64 * 1024 : 16 * 1024; | |
3595 | p->rx_num_pgs = pm_num_pages(p->chan_rx_size, p->rx_pg_size); | |
3596 | p->tx_num_pgs = pm_num_pages(p->chan_tx_size, p->tx_pg_size); | |
3597 | p->ntimer_qs = p->cm_size >= (128 << 20) || | |
3598 | adapter->params.rev > 0 ? 12 : 6; | |
8ac3ba68 DLR |
3599 | } |
3600 | ||
3601 | adapter->params.offload = t3_mc7_size(&adapter->pmrx) && | |
3602 | t3_mc7_size(&adapter->pmtx) && | |
3603 | t3_mc7_size(&adapter->cm); | |
4d22de3e | 3604 | |
8ac3ba68 | 3605 | if (is_offload(adapter)) { |
4d22de3e DLR |
3606 | adapter->params.mc5.nservers = DEFAULT_NSERVERS; |
3607 | adapter->params.mc5.nfilters = adapter->params.rev > 0 ? | |
3608 | DEFAULT_NFILTERS : 0; | |
3609 | adapter->params.mc5.nroutes = 0; | |
3610 | t3_mc5_prep(adapter, &adapter->mc5, MC5_MODE_144_BIT); | |
3611 | ||
3612 | init_mtus(adapter->params.mtus); | |
3613 | init_cong_ctrl(adapter->params.a_wnd, adapter->params.b_wnd); | |
3614 | } | |
3615 | ||
3616 | early_hw_init(adapter, ai); | |
b881955b DLR |
3617 | ret = init_parity(adapter); |
3618 | if (ret) | |
3619 | return ret; | |
4d22de3e DLR |
3620 | |
3621 | for_each_port(adapter, i) { | |
3622 | u8 hw_addr[6]; | |
3623 | struct port_info *p = adap2pinfo(adapter, i); | |
3624 | ||
3625 | while (!adapter->params.vpd.port_type[j]) | |
3626 | ++j; | |
3627 | ||
3628 | p->port_type = &port_types[adapter->params.vpd.port_type[j]]; | |
3629 | p->port_type->phy_prep(&p->phy, adapter, ai->phy_base_addr + j, | |
3630 | ai->mdio_ops); | |
3631 | mac_prep(&p->mac, adapter, j); | |
3632 | ++j; | |
3633 | ||
3634 | /* | |
3635 | * The VPD EEPROM stores the base Ethernet address for the | |
3636 | * card. A port's address is derived from the base by adding | |
3637 | * the port's index to the base's low octet. | |
3638 | */ | |
3639 | memcpy(hw_addr, adapter->params.vpd.eth_base, 5); | |
3640 | hw_addr[5] = adapter->params.vpd.eth_base[5] + i; | |
3641 | ||
3642 | memcpy(adapter->port[i]->dev_addr, hw_addr, | |
3643 | ETH_ALEN); | |
3644 | memcpy(adapter->port[i]->perm_addr, hw_addr, | |
3645 | ETH_ALEN); | |
3646 | init_link_config(&p->link_config, p->port_type->caps); | |
3647 | p->phy.ops->power_down(&p->phy, 1); | |
3648 | if (!(p->port_type->caps & SUPPORTED_IRQ)) | |
3649 | adapter->params.linkpoll_period = 10; | |
3650 | } | |
3651 | ||
3652 | return 0; | |
3653 | } | |
3654 | ||
3655 | void t3_led_ready(struct adapter *adapter) | |
3656 | { | |
3657 | t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, F_GPIO0_OUT_VAL, | |
3658 | F_GPIO0_OUT_VAL); | |
3659 | } | |
204e2f98 DLR |
3660 | |
3661 | int t3_replay_prep_adapter(struct adapter *adapter) | |
3662 | { | |
3663 | const struct adapter_info *ai = adapter->params.info; | |
3664 | unsigned int i, j = 0; | |
3665 | int ret; | |
3666 | ||
3667 | early_hw_init(adapter, ai); | |
3668 | ret = init_parity(adapter); | |
3669 | if (ret) | |
3670 | return ret; | |
3671 | ||
3672 | for_each_port(adapter, i) { | |
3673 | struct port_info *p = adap2pinfo(adapter, i); | |
3674 | while (!adapter->params.vpd.port_type[j]) | |
3675 | ++j; | |
3676 | ||
3677 | p->port_type->phy_prep(&p->phy, adapter, ai->phy_base_addr + j, | |
3678 | ai->mdio_ops); | |
3679 | ||
3680 | p->phy.ops->power_down(&p->phy, 1); | |
3681 | ++j; | |
3682 | } | |
3683 | ||
3684 | return 0; | |
3685 | } | |
3686 |