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1/*
2 * AMD 10Gb Ethernet driver
3 *
4 * This file is available to you under your choice of the following two
5 * licenses:
6 *
7 * License 1: GPLv2
8 *
9 * Copyright (c) 2016 Advanced Micro Devices, Inc.
10 *
11 * This file is free software; you may copy, redistribute and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 2 of the License, or (at
14 * your option) any later version.
15 *
16 * This file is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 *
24 * This file incorporates work covered by the following copyright and
25 * permission notice:
26 * The Synopsys DWC ETHER XGMAC Software Driver and documentation
27 * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
28 * Inc. unless otherwise expressly agreed to in writing between Synopsys
29 * and you.
30 *
31 * The Software IS NOT an item of Licensed Software or Licensed Product
32 * under any End User Software License Agreement or Agreement for Licensed
33 * Product with Synopsys or any supplement thereto. Permission is hereby
34 * granted, free of charge, to any person obtaining a copy of this software
35 * annotated with this license and the Software, to deal in the Software
36 * without restriction, including without limitation the rights to use,
37 * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
38 * of the Software, and to permit persons to whom the Software is furnished
39 * to do so, subject to the following conditions:
40 *
41 * The above copyright notice and this permission notice shall be included
42 * in all copies or substantial portions of the Software.
43 *
44 * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
45 * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
46 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
47 * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
48 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
49 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
50 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
51 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
52 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
53 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
54 * THE POSSIBILITY OF SUCH DAMAGE.
55 *
56 *
57 * License 2: Modified BSD
58 *
59 * Copyright (c) 2016 Advanced Micro Devices, Inc.
60 * All rights reserved.
61 *
62 * Redistribution and use in source and binary forms, with or without
63 * modification, are permitted provided that the following conditions are met:
64 * * Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
66 * * Redistributions in binary form must reproduce the above copyright
67 * notice, this list of conditions and the following disclaimer in the
68 * documentation and/or other materials provided with the distribution.
69 * * Neither the name of Advanced Micro Devices, Inc. nor the
70 * names of its contributors may be used to endorse or promote products
71 * derived from this software without specific prior written permission.
72 *
73 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
74 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
75 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
76 * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
77 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
78 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
79 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
80 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
81 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
82 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
83 *
84 * This file incorporates work covered by the following copyright and
85 * permission notice:
86 * The Synopsys DWC ETHER XGMAC Software Driver and documentation
87 * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
88 * Inc. unless otherwise expressly agreed to in writing between Synopsys
89 * and you.
90 *
91 * The Software IS NOT an item of Licensed Software or Licensed Product
92 * under any End User Software License Agreement or Agreement for Licensed
93 * Product with Synopsys or any supplement thereto. Permission is hereby
94 * granted, free of charge, to any person obtaining a copy of this software
95 * annotated with this license and the Software, to deal in the Software
96 * without restriction, including without limitation the rights to use,
97 * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
98 * of the Software, and to permit persons to whom the Software is furnished
99 * to do so, subject to the following conditions:
100 *
101 * The above copyright notice and this permission notice shall be included
102 * in all copies or substantial portions of the Software.
103 *
104 * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
105 * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
106 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
107 * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
108 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
109 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
110 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
111 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
112 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
113 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
114 * THE POSSIBILITY OF SUCH DAMAGE.
115 */
116
117#include <linux/module.h>
118#include <linux/device.h>
119#include <linux/pci.h>
120#include <linux/log2.h>
121
122#include "xgbe.h"
123#include "xgbe-common.h"
124
125static int xgbe_config_multi_msi(struct xgbe_prv_data *pdata)
126{
127 unsigned int vector_count;
128 unsigned int i, j;
129 int ret;
130
131 vector_count = XGBE_MSI_BASE_COUNT;
132 vector_count += max(pdata->rx_ring_count,
133 pdata->tx_ring_count);
134
135 ret = pci_alloc_irq_vectors(pdata->pcidev, XGBE_MSI_MIN_COUNT,
136 vector_count, PCI_IRQ_MSI | PCI_IRQ_MSIX);
137 if (ret < 0) {
138 dev_info(pdata->dev, "multi MSI/MSI-X enablement failed\n");
139 return ret;
140 }
141
142 pdata->isr_as_tasklet = 1;
143 pdata->irq_count = ret;
144
145 pdata->dev_irq = pci_irq_vector(pdata->pcidev, 0);
146 pdata->ecc_irq = pci_irq_vector(pdata->pcidev, 1);
147 pdata->i2c_irq = pci_irq_vector(pdata->pcidev, 2);
148 pdata->an_irq = pci_irq_vector(pdata->pcidev, 3);
149
150 for (i = XGBE_MSI_BASE_COUNT, j = 0; i < ret; i++, j++)
151 pdata->channel_irq[j] = pci_irq_vector(pdata->pcidev, i);
152 pdata->channel_irq_count = j;
153
154 pdata->per_channel_irq = 1;
155 pdata->channel_irq_mode = XGBE_IRQ_MODE_LEVEL;
156
157 if (netif_msg_probe(pdata))
158 dev_dbg(pdata->dev, "multi %s interrupts enabled\n",
159 pdata->pcidev->msix_enabled ? "MSI-X" : "MSI");
160
161 return 0;
162}
163
164static int xgbe_config_irqs(struct xgbe_prv_data *pdata)
165{
166 int ret;
167
168 ret = xgbe_config_multi_msi(pdata);
169 if (!ret)
170 goto out;
171
172 ret = pci_alloc_irq_vectors(pdata->pcidev, 1, 1,
173 PCI_IRQ_LEGACY | PCI_IRQ_MSI);
174 if (ret < 0) {
175 dev_info(pdata->dev, "single IRQ enablement failed\n");
176 return ret;
177 }
178
179 pdata->isr_as_tasklet = pdata->pcidev->msi_enabled ? 1 : 0;
180 pdata->irq_count = 1;
181 pdata->channel_irq_count = 1;
182
183 pdata->dev_irq = pci_irq_vector(pdata->pcidev, 0);
184 pdata->ecc_irq = pci_irq_vector(pdata->pcidev, 0);
185 pdata->i2c_irq = pci_irq_vector(pdata->pcidev, 0);
186 pdata->an_irq = pci_irq_vector(pdata->pcidev, 0);
187
188 if (netif_msg_probe(pdata))
189 dev_dbg(pdata->dev, "single %s interrupt enabled\n",
190 pdata->pcidev->msi_enabled ? "MSI" : "legacy");
191
192out:
193 if (netif_msg_probe(pdata)) {
194 unsigned int i;
195
196 dev_dbg(pdata->dev, " dev irq=%d\n", pdata->dev_irq);
197 dev_dbg(pdata->dev, " ecc irq=%d\n", pdata->ecc_irq);
198 dev_dbg(pdata->dev, " i2c irq=%d\n", pdata->i2c_irq);
199 dev_dbg(pdata->dev, " an irq=%d\n", pdata->an_irq);
200 for (i = 0; i < pdata->channel_irq_count; i++)
201 dev_dbg(pdata->dev, " dma%u irq=%d\n",
202 i, pdata->channel_irq[i]);
203 }
204
205 return 0;
206}
207
208static int xgbe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
209{
210 struct xgbe_prv_data *pdata;
211 struct device *dev = &pdev->dev;
212 void __iomem * const *iomap_table;
213 struct pci_dev *rdev;
214 unsigned int ma_lo, ma_hi;
215 unsigned int reg;
216 int bar_mask;
217 int ret;
218
219 pdata = xgbe_alloc_pdata(dev);
220 if (IS_ERR(pdata)) {
221 ret = PTR_ERR(pdata);
222 goto err_alloc;
223 }
224
225 pdata->pcidev = pdev;
226 pci_set_drvdata(pdev, pdata);
227
228 /* Get the version data */
229 pdata->vdata = (struct xgbe_version_data *)id->driver_data;
230
231 ret = pcim_enable_device(pdev);
232 if (ret) {
233 dev_err(dev, "pcim_enable_device failed\n");
234 goto err_pci_enable;
235 }
236
237 /* Obtain the mmio areas for the device */
238 bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
239 ret = pcim_iomap_regions(pdev, bar_mask, XGBE_DRV_NAME);
240 if (ret) {
241 dev_err(dev, "pcim_iomap_regions failed\n");
242 goto err_pci_enable;
243 }
244
245 iomap_table = pcim_iomap_table(pdev);
246 if (!iomap_table) {
247 dev_err(dev, "pcim_iomap_table failed\n");
248 ret = -ENOMEM;
249 goto err_pci_enable;
250 }
251
252 pdata->xgmac_regs = iomap_table[XGBE_XGMAC_BAR];
253 if (!pdata->xgmac_regs) {
254 dev_err(dev, "xgmac ioremap failed\n");
255 ret = -ENOMEM;
256 goto err_pci_enable;
257 }
258 pdata->xprop_regs = pdata->xgmac_regs + XGBE_MAC_PROP_OFFSET;
259 pdata->xi2c_regs = pdata->xgmac_regs + XGBE_I2C_CTRL_OFFSET;
260 if (netif_msg_probe(pdata)) {
261 dev_dbg(dev, "xgmac_regs = %p\n", pdata->xgmac_regs);
262 dev_dbg(dev, "xprop_regs = %p\n", pdata->xprop_regs);
263 dev_dbg(dev, "xi2c_regs = %p\n", pdata->xi2c_regs);
264 }
265
266 pdata->xpcs_regs = iomap_table[XGBE_XPCS_BAR];
267 if (!pdata->xpcs_regs) {
268 dev_err(dev, "xpcs ioremap failed\n");
269 ret = -ENOMEM;
270 goto err_pci_enable;
271 }
272 if (netif_msg_probe(pdata))
273 dev_dbg(dev, "xpcs_regs = %p\n", pdata->xpcs_regs);
274
275 /* Set the PCS indirect addressing definition registers */
276 rdev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0, 0));
277 if (rdev &&
278 (rdev->vendor == PCI_VENDOR_ID_AMD) && (rdev->device == 0x15d0)) {
279 pdata->xpcs_window_def_reg = PCS_V2_RV_WINDOW_DEF;
280 pdata->xpcs_window_sel_reg = PCS_V2_RV_WINDOW_SELECT;
281 } else if (rdev && (rdev->vendor == PCI_VENDOR_ID_AMD) &&
282 (rdev->device == 0x14b5)) {
283 pdata->xpcs_window_def_reg = PCS_V2_YC_WINDOW_DEF;
284 pdata->xpcs_window_sel_reg = PCS_V2_YC_WINDOW_SELECT;
285
286 /* Yellow Carp devices do not need cdr workaround */
287 pdata->vdata->an_cdr_workaround = 0;
288
289 /* Yellow Carp devices do not need rrc */
290 pdata->vdata->enable_rrc = 0;
291 } else {
292 pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;
293 pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
294 }
295 pci_dev_put(rdev);
296
297 /* Configure the PCS indirect addressing support */
298 reg = XPCS32_IOREAD(pdata, pdata->xpcs_window_def_reg);
299 pdata->xpcs_window = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, OFFSET);
300 pdata->xpcs_window <<= 6;
301 pdata->xpcs_window_size = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, SIZE);
302 pdata->xpcs_window_size = 1 << (pdata->xpcs_window_size + 7);
303 pdata->xpcs_window_mask = pdata->xpcs_window_size - 1;
304 if (netif_msg_probe(pdata)) {
305 dev_dbg(dev, "xpcs window def = %#010x\n",
306 pdata->xpcs_window_def_reg);
307 dev_dbg(dev, "xpcs window sel = %#010x\n",
308 pdata->xpcs_window_sel_reg);
309 dev_dbg(dev, "xpcs window = %#010x\n",
310 pdata->xpcs_window);
311 dev_dbg(dev, "xpcs window size = %#010x\n",
312 pdata->xpcs_window_size);
313 dev_dbg(dev, "xpcs window mask = %#010x\n",
314 pdata->xpcs_window_mask);
315 }
316
317 pci_set_master(pdev);
318
319 /* Enable all interrupts in the hardware */
320 XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff);
321
322 /* Retrieve the MAC address */
323 ma_lo = XP_IOREAD(pdata, XP_MAC_ADDR_LO);
324 ma_hi = XP_IOREAD(pdata, XP_MAC_ADDR_HI);
325 pdata->mac_addr[0] = ma_lo & 0xff;
326 pdata->mac_addr[1] = (ma_lo >> 8) & 0xff;
327 pdata->mac_addr[2] = (ma_lo >> 16) & 0xff;
328 pdata->mac_addr[3] = (ma_lo >> 24) & 0xff;
329 pdata->mac_addr[4] = ma_hi & 0xff;
330 pdata->mac_addr[5] = (ma_hi >> 8) & 0xff;
331 if (!XP_GET_BITS(ma_hi, XP_MAC_ADDR_HI, VALID) ||
332 !is_valid_ether_addr(pdata->mac_addr)) {
333 dev_err(dev, "invalid mac address\n");
334 ret = -EINVAL;
335 goto err_pci_enable;
336 }
337
338 /* Clock settings */
339 pdata->sysclk_rate = XGBE_V2_DMA_CLOCK_FREQ;
340 pdata->ptpclk_rate = XGBE_V2_PTP_CLOCK_FREQ;
341
342 /* Set the DMA coherency values */
343 pdata->coherent = 1;
344 pdata->arcr = XGBE_DMA_PCI_ARCR;
345 pdata->awcr = XGBE_DMA_PCI_AWCR;
346 pdata->awarcr = XGBE_DMA_PCI_AWARCR;
347
348 /* Read the port property registers */
349 pdata->pp0 = XP_IOREAD(pdata, XP_PROP_0);
350 pdata->pp1 = XP_IOREAD(pdata, XP_PROP_1);
351 pdata->pp2 = XP_IOREAD(pdata, XP_PROP_2);
352 pdata->pp3 = XP_IOREAD(pdata, XP_PROP_3);
353 pdata->pp4 = XP_IOREAD(pdata, XP_PROP_4);
354 if (netif_msg_probe(pdata)) {
355 dev_dbg(dev, "port property 0 = %#010x\n", pdata->pp0);
356 dev_dbg(dev, "port property 1 = %#010x\n", pdata->pp1);
357 dev_dbg(dev, "port property 2 = %#010x\n", pdata->pp2);
358 dev_dbg(dev, "port property 3 = %#010x\n", pdata->pp3);
359 dev_dbg(dev, "port property 4 = %#010x\n", pdata->pp4);
360 }
361
362 /* Set the maximum channels and queues */
363 pdata->tx_max_channel_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
364 MAX_TX_DMA);
365 pdata->rx_max_channel_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
366 MAX_RX_DMA);
367 pdata->tx_max_q_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
368 MAX_TX_QUEUES);
369 pdata->rx_max_q_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
370 MAX_RX_QUEUES);
371 if (netif_msg_probe(pdata)) {
372 dev_dbg(dev, "max tx/rx channel count = %u/%u\n",
373 pdata->tx_max_channel_count,
374 pdata->rx_max_channel_count);
375 dev_dbg(dev, "max tx/rx hw queue count = %u/%u\n",
376 pdata->tx_max_q_count, pdata->rx_max_q_count);
377 }
378
379 /* Set the hardware channel and queue counts */
380 xgbe_set_counts(pdata);
381
382 /* Set the maximum fifo amounts */
383 pdata->tx_max_fifo_size = XP_GET_BITS(pdata->pp2, XP_PROP_2,
384 TX_FIFO_SIZE);
385 pdata->tx_max_fifo_size *= 16384;
386 pdata->tx_max_fifo_size = min(pdata->tx_max_fifo_size,
387 pdata->vdata->tx_max_fifo_size);
388 pdata->rx_max_fifo_size = XP_GET_BITS(pdata->pp2, XP_PROP_2,
389 RX_FIFO_SIZE);
390 pdata->rx_max_fifo_size *= 16384;
391 pdata->rx_max_fifo_size = min(pdata->rx_max_fifo_size,
392 pdata->vdata->rx_max_fifo_size);
393 if (netif_msg_probe(pdata))
394 dev_dbg(dev, "max tx/rx max fifo size = %u/%u\n",
395 pdata->tx_max_fifo_size, pdata->rx_max_fifo_size);
396
397 /* Configure interrupt support */
398 ret = xgbe_config_irqs(pdata);
399 if (ret)
400 goto err_pci_enable;
401
402 /* Configure the netdev resource */
403 ret = xgbe_config_netdev(pdata);
404 if (ret)
405 goto err_irq_vectors;
406
407 netdev_notice(pdata->netdev, "net device enabled\n");
408
409 return 0;
410
411err_irq_vectors:
412 pci_free_irq_vectors(pdata->pcidev);
413
414err_pci_enable:
415 xgbe_free_pdata(pdata);
416
417err_alloc:
418 dev_notice(dev, "net device not enabled\n");
419
420 return ret;
421}
422
423static void xgbe_pci_remove(struct pci_dev *pdev)
424{
425 struct xgbe_prv_data *pdata = pci_get_drvdata(pdev);
426
427 xgbe_deconfig_netdev(pdata);
428
429 pci_free_irq_vectors(pdata->pcidev);
430
431 /* Disable all interrupts in the hardware */
432 XP_IOWRITE(pdata, XP_INT_EN, 0x0);
433
434 xgbe_free_pdata(pdata);
435}
436
437static int __maybe_unused xgbe_pci_suspend(struct device *dev)
438{
439 struct xgbe_prv_data *pdata = dev_get_drvdata(dev);
440 struct net_device *netdev = pdata->netdev;
441 int ret = 0;
442
443 if (netif_running(netdev))
444 ret = xgbe_powerdown(netdev, XGMAC_DRIVER_CONTEXT);
445
446 pdata->lpm_ctrl = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL1);
447 pdata->lpm_ctrl |= MDIO_CTRL1_LPOWER;
448 XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, pdata->lpm_ctrl);
449
450 return ret;
451}
452
453static int __maybe_unused xgbe_pci_resume(struct device *dev)
454{
455 struct xgbe_prv_data *pdata = dev_get_drvdata(dev);
456 struct net_device *netdev = pdata->netdev;
457 int ret = 0;
458
459 XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff);
460
461 pdata->lpm_ctrl &= ~MDIO_CTRL1_LPOWER;
462 XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, pdata->lpm_ctrl);
463
464 if (netif_running(netdev)) {
465 ret = xgbe_powerup(netdev, XGMAC_DRIVER_CONTEXT);
466
467 /* Schedule a restart in case the link or phy state changed
468 * while we were powered down.
469 */
470 schedule_work(&pdata->restart_work);
471 }
472
473 return ret;
474}
475
476static struct xgbe_version_data xgbe_v2a = {
477 .init_function_ptrs_phy_impl = xgbe_init_function_ptrs_phy_v2,
478 .xpcs_access = XGBE_XPCS_ACCESS_V2,
479 .mmc_64bit = 1,
480 .tx_max_fifo_size = 229376,
481 .rx_max_fifo_size = 229376,
482 .tx_tstamp_workaround = 1,
483 .ecc_support = 1,
484 .i2c_support = 1,
485 .irq_reissue_support = 1,
486 .tx_desc_prefetch = 5,
487 .rx_desc_prefetch = 5,
488 .an_cdr_workaround = 1,
489 .enable_rrc = 1,
490};
491
492static struct xgbe_version_data xgbe_v2b = {
493 .init_function_ptrs_phy_impl = xgbe_init_function_ptrs_phy_v2,
494 .xpcs_access = XGBE_XPCS_ACCESS_V2,
495 .mmc_64bit = 1,
496 .tx_max_fifo_size = 65536,
497 .rx_max_fifo_size = 65536,
498 .tx_tstamp_workaround = 1,
499 .ecc_support = 1,
500 .i2c_support = 1,
501 .irq_reissue_support = 1,
502 .tx_desc_prefetch = 5,
503 .rx_desc_prefetch = 5,
504 .an_cdr_workaround = 1,
505 .enable_rrc = 1,
506};
507
508static const struct pci_device_id xgbe_pci_table[] = {
509 { PCI_VDEVICE(AMD, 0x1458),
510 .driver_data = (kernel_ulong_t)&xgbe_v2a },
511 { PCI_VDEVICE(AMD, 0x1459),
512 .driver_data = (kernel_ulong_t)&xgbe_v2b },
513 /* Last entry must be zero */
514 { 0, }
515};
516MODULE_DEVICE_TABLE(pci, xgbe_pci_table);
517
518static SIMPLE_DEV_PM_OPS(xgbe_pci_pm_ops, xgbe_pci_suspend, xgbe_pci_resume);
519
520static struct pci_driver xgbe_driver = {
521 .name = XGBE_DRV_NAME,
522 .id_table = xgbe_pci_table,
523 .probe = xgbe_pci_probe,
524 .remove = xgbe_pci_remove,
525 .driver = {
526 .pm = &xgbe_pci_pm_ops,
527 }
528};
529
530int xgbe_pci_init(void)
531{
532 return pci_register_driver(&xgbe_driver);
533}
534
535void xgbe_pci_exit(void)
536{
537 pci_unregister_driver(&xgbe_driver);
538}
1/*
2 * AMD 10Gb Ethernet driver
3 *
4 * This file is available to you under your choice of the following two
5 * licenses:
6 *
7 * License 1: GPLv2
8 *
9 * Copyright (c) 2016 Advanced Micro Devices, Inc.
10 *
11 * This file is free software; you may copy, redistribute and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 2 of the License, or (at
14 * your option) any later version.
15 *
16 * This file is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 *
24 * This file incorporates work covered by the following copyright and
25 * permission notice:
26 * The Synopsys DWC ETHER XGMAC Software Driver and documentation
27 * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
28 * Inc. unless otherwise expressly agreed to in writing between Synopsys
29 * and you.
30 *
31 * The Software IS NOT an item of Licensed Software or Licensed Product
32 * under any End User Software License Agreement or Agreement for Licensed
33 * Product with Synopsys or any supplement thereto. Permission is hereby
34 * granted, free of charge, to any person obtaining a copy of this software
35 * annotated with this license and the Software, to deal in the Software
36 * without restriction, including without limitation the rights to use,
37 * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
38 * of the Software, and to permit persons to whom the Software is furnished
39 * to do so, subject to the following conditions:
40 *
41 * The above copyright notice and this permission notice shall be included
42 * in all copies or substantial portions of the Software.
43 *
44 * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
45 * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
46 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
47 * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
48 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
49 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
50 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
51 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
52 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
53 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
54 * THE POSSIBILITY OF SUCH DAMAGE.
55 *
56 *
57 * License 2: Modified BSD
58 *
59 * Copyright (c) 2016 Advanced Micro Devices, Inc.
60 * All rights reserved.
61 *
62 * Redistribution and use in source and binary forms, with or without
63 * modification, are permitted provided that the following conditions are met:
64 * * Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
66 * * Redistributions in binary form must reproduce the above copyright
67 * notice, this list of conditions and the following disclaimer in the
68 * documentation and/or other materials provided with the distribution.
69 * * Neither the name of Advanced Micro Devices, Inc. nor the
70 * names of its contributors may be used to endorse or promote products
71 * derived from this software without specific prior written permission.
72 *
73 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
74 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
75 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
76 * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
77 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
78 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
79 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
80 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
81 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
82 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
83 *
84 * This file incorporates work covered by the following copyright and
85 * permission notice:
86 * The Synopsys DWC ETHER XGMAC Software Driver and documentation
87 * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
88 * Inc. unless otherwise expressly agreed to in writing between Synopsys
89 * and you.
90 *
91 * The Software IS NOT an item of Licensed Software or Licensed Product
92 * under any End User Software License Agreement or Agreement for Licensed
93 * Product with Synopsys or any supplement thereto. Permission is hereby
94 * granted, free of charge, to any person obtaining a copy of this software
95 * annotated with this license and the Software, to deal in the Software
96 * without restriction, including without limitation the rights to use,
97 * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
98 * of the Software, and to permit persons to whom the Software is furnished
99 * to do so, subject to the following conditions:
100 *
101 * The above copyright notice and this permission notice shall be included
102 * in all copies or substantial portions of the Software.
103 *
104 * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
105 * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
106 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
107 * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
108 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
109 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
110 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
111 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
112 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
113 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
114 * THE POSSIBILITY OF SUCH DAMAGE.
115 */
116
117#include <linux/module.h>
118#include <linux/device.h>
119#include <linux/pci.h>
120#include <linux/log2.h>
121
122#include "xgbe.h"
123#include "xgbe-common.h"
124
125static int xgbe_config_multi_msi(struct xgbe_prv_data *pdata)
126{
127 unsigned int vector_count;
128 unsigned int i, j;
129 int ret;
130
131 vector_count = XGBE_MSI_BASE_COUNT;
132 vector_count += max(pdata->rx_ring_count,
133 pdata->tx_ring_count);
134
135 ret = pci_alloc_irq_vectors(pdata->pcidev, XGBE_MSI_MIN_COUNT,
136 vector_count, PCI_IRQ_MSI | PCI_IRQ_MSIX);
137 if (ret < 0) {
138 dev_info(pdata->dev, "multi MSI/MSI-X enablement failed\n");
139 return ret;
140 }
141
142 pdata->isr_as_bh_work = 1;
143 pdata->irq_count = ret;
144
145 pdata->dev_irq = pci_irq_vector(pdata->pcidev, 0);
146 pdata->ecc_irq = pci_irq_vector(pdata->pcidev, 1);
147 pdata->i2c_irq = pci_irq_vector(pdata->pcidev, 2);
148 pdata->an_irq = pci_irq_vector(pdata->pcidev, 3);
149
150 for (i = XGBE_MSI_BASE_COUNT, j = 0; i < ret; i++, j++)
151 pdata->channel_irq[j] = pci_irq_vector(pdata->pcidev, i);
152 pdata->channel_irq_count = j;
153
154 pdata->per_channel_irq = 1;
155 pdata->channel_irq_mode = XGBE_IRQ_MODE_LEVEL;
156
157 if (netif_msg_probe(pdata))
158 dev_dbg(pdata->dev, "multi %s interrupts enabled\n",
159 pdata->pcidev->msix_enabled ? "MSI-X" : "MSI");
160
161 return 0;
162}
163
164static int xgbe_config_irqs(struct xgbe_prv_data *pdata)
165{
166 int ret;
167
168 ret = xgbe_config_multi_msi(pdata);
169 if (!ret)
170 goto out;
171
172 ret = pci_alloc_irq_vectors(pdata->pcidev, 1, 1,
173 PCI_IRQ_INTX | PCI_IRQ_MSI);
174 if (ret < 0) {
175 dev_info(pdata->dev, "single IRQ enablement failed\n");
176 return ret;
177 }
178
179 pdata->isr_as_bh_work = pdata->pcidev->msi_enabled ? 1 : 0;
180 pdata->irq_count = 1;
181 pdata->channel_irq_count = 1;
182
183 pdata->dev_irq = pci_irq_vector(pdata->pcidev, 0);
184 pdata->ecc_irq = pci_irq_vector(pdata->pcidev, 0);
185 pdata->i2c_irq = pci_irq_vector(pdata->pcidev, 0);
186 pdata->an_irq = pci_irq_vector(pdata->pcidev, 0);
187
188 if (netif_msg_probe(pdata))
189 dev_dbg(pdata->dev, "single %s interrupt enabled\n",
190 pdata->pcidev->msi_enabled ? "MSI" : "legacy");
191
192out:
193 if (netif_msg_probe(pdata)) {
194 unsigned int i;
195
196 dev_dbg(pdata->dev, " dev irq=%d\n", pdata->dev_irq);
197 dev_dbg(pdata->dev, " ecc irq=%d\n", pdata->ecc_irq);
198 dev_dbg(pdata->dev, " i2c irq=%d\n", pdata->i2c_irq);
199 dev_dbg(pdata->dev, " an irq=%d\n", pdata->an_irq);
200 for (i = 0; i < pdata->channel_irq_count; i++)
201 dev_dbg(pdata->dev, " dma%u irq=%d\n",
202 i, pdata->channel_irq[i]);
203 }
204
205 return 0;
206}
207
208static int xgbe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
209{
210 struct xgbe_prv_data *pdata;
211 struct device *dev = &pdev->dev;
212 void __iomem * const *iomap_table;
213 struct pci_dev *rdev;
214 unsigned int ma_lo, ma_hi;
215 unsigned int reg;
216 int bar_mask;
217 int ret;
218
219 pdata = xgbe_alloc_pdata(dev);
220 if (IS_ERR(pdata)) {
221 ret = PTR_ERR(pdata);
222 goto err_alloc;
223 }
224
225 pdata->pcidev = pdev;
226 pci_set_drvdata(pdev, pdata);
227
228 /* Get the version data */
229 pdata->vdata = (struct xgbe_version_data *)id->driver_data;
230
231 ret = pcim_enable_device(pdev);
232 if (ret) {
233 dev_err(dev, "pcim_enable_device failed\n");
234 goto err_pci_enable;
235 }
236
237 /* Obtain the mmio areas for the device */
238 bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
239 ret = pcim_iomap_regions(pdev, bar_mask, XGBE_DRV_NAME);
240 if (ret) {
241 dev_err(dev, "pcim_iomap_regions failed\n");
242 goto err_pci_enable;
243 }
244
245 iomap_table = pcim_iomap_table(pdev);
246 if (!iomap_table) {
247 dev_err(dev, "pcim_iomap_table failed\n");
248 ret = -ENOMEM;
249 goto err_pci_enable;
250 }
251
252 pdata->xgmac_regs = iomap_table[XGBE_XGMAC_BAR];
253 if (!pdata->xgmac_regs) {
254 dev_err(dev, "xgmac ioremap failed\n");
255 ret = -ENOMEM;
256 goto err_pci_enable;
257 }
258 pdata->xprop_regs = pdata->xgmac_regs + XGBE_MAC_PROP_OFFSET;
259 pdata->xi2c_regs = pdata->xgmac_regs + XGBE_I2C_CTRL_OFFSET;
260 if (netif_msg_probe(pdata)) {
261 dev_dbg(dev, "xgmac_regs = %p\n", pdata->xgmac_regs);
262 dev_dbg(dev, "xprop_regs = %p\n", pdata->xprop_regs);
263 dev_dbg(dev, "xi2c_regs = %p\n", pdata->xi2c_regs);
264 }
265
266 pdata->xpcs_regs = iomap_table[XGBE_XPCS_BAR];
267 if (!pdata->xpcs_regs) {
268 dev_err(dev, "xpcs ioremap failed\n");
269 ret = -ENOMEM;
270 goto err_pci_enable;
271 }
272 if (netif_msg_probe(pdata))
273 dev_dbg(dev, "xpcs_regs = %p\n", pdata->xpcs_regs);
274
275 /* Set the PCS indirect addressing definition registers */
276 rdev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0, 0));
277 if (rdev &&
278 (rdev->vendor == PCI_VENDOR_ID_AMD) && (rdev->device == 0x15d0)) {
279 pdata->xpcs_window_def_reg = PCS_V2_RV_WINDOW_DEF;
280 pdata->xpcs_window_sel_reg = PCS_V2_RV_WINDOW_SELECT;
281 } else if (rdev && (rdev->vendor == PCI_VENDOR_ID_AMD) &&
282 (rdev->device == 0x14b5)) {
283 pdata->xpcs_window_def_reg = PCS_V2_YC_WINDOW_DEF;
284 pdata->xpcs_window_sel_reg = PCS_V2_YC_WINDOW_SELECT;
285
286 /* Yellow Carp devices do not need cdr workaround */
287 pdata->vdata->an_cdr_workaround = 0;
288
289 /* Yellow Carp devices do not need rrc */
290 pdata->vdata->enable_rrc = 0;
291 } else {
292 pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;
293 pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
294 }
295 pci_dev_put(rdev);
296
297 /* Configure the PCS indirect addressing support */
298 reg = XPCS32_IOREAD(pdata, pdata->xpcs_window_def_reg);
299 pdata->xpcs_window = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, OFFSET);
300 pdata->xpcs_window <<= 6;
301 pdata->xpcs_window_size = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, SIZE);
302 pdata->xpcs_window_size = 1 << (pdata->xpcs_window_size + 7);
303 pdata->xpcs_window_mask = pdata->xpcs_window_size - 1;
304 if (netif_msg_probe(pdata)) {
305 dev_dbg(dev, "xpcs window def = %#010x\n",
306 pdata->xpcs_window_def_reg);
307 dev_dbg(dev, "xpcs window sel = %#010x\n",
308 pdata->xpcs_window_sel_reg);
309 dev_dbg(dev, "xpcs window = %#010x\n",
310 pdata->xpcs_window);
311 dev_dbg(dev, "xpcs window size = %#010x\n",
312 pdata->xpcs_window_size);
313 dev_dbg(dev, "xpcs window mask = %#010x\n",
314 pdata->xpcs_window_mask);
315 }
316
317 pci_set_master(pdev);
318
319 /* Enable all interrupts in the hardware */
320 XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff);
321
322 /* Retrieve the MAC address */
323 ma_lo = XP_IOREAD(pdata, XP_MAC_ADDR_LO);
324 ma_hi = XP_IOREAD(pdata, XP_MAC_ADDR_HI);
325 pdata->mac_addr[0] = ma_lo & 0xff;
326 pdata->mac_addr[1] = (ma_lo >> 8) & 0xff;
327 pdata->mac_addr[2] = (ma_lo >> 16) & 0xff;
328 pdata->mac_addr[3] = (ma_lo >> 24) & 0xff;
329 pdata->mac_addr[4] = ma_hi & 0xff;
330 pdata->mac_addr[5] = (ma_hi >> 8) & 0xff;
331 if (!XP_GET_BITS(ma_hi, XP_MAC_ADDR_HI, VALID) ||
332 !is_valid_ether_addr(pdata->mac_addr)) {
333 dev_err(dev, "invalid mac address\n");
334 ret = -EINVAL;
335 goto err_pci_enable;
336 }
337
338 /* Clock settings */
339 pdata->sysclk_rate = XGBE_V2_DMA_CLOCK_FREQ;
340 pdata->ptpclk_rate = XGBE_V2_PTP_CLOCK_FREQ;
341
342 /* Set the DMA coherency values */
343 pdata->coherent = 1;
344 pdata->arcr = XGBE_DMA_PCI_ARCR;
345 pdata->awcr = XGBE_DMA_PCI_AWCR;
346 pdata->awarcr = XGBE_DMA_PCI_AWARCR;
347
348 /* Read the port property registers */
349 pdata->pp0 = XP_IOREAD(pdata, XP_PROP_0);
350 pdata->pp1 = XP_IOREAD(pdata, XP_PROP_1);
351 pdata->pp2 = XP_IOREAD(pdata, XP_PROP_2);
352 pdata->pp3 = XP_IOREAD(pdata, XP_PROP_3);
353 pdata->pp4 = XP_IOREAD(pdata, XP_PROP_4);
354 if (netif_msg_probe(pdata)) {
355 dev_dbg(dev, "port property 0 = %#010x\n", pdata->pp0);
356 dev_dbg(dev, "port property 1 = %#010x\n", pdata->pp1);
357 dev_dbg(dev, "port property 2 = %#010x\n", pdata->pp2);
358 dev_dbg(dev, "port property 3 = %#010x\n", pdata->pp3);
359 dev_dbg(dev, "port property 4 = %#010x\n", pdata->pp4);
360 }
361
362 /* Set the maximum channels and queues */
363 pdata->tx_max_channel_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
364 MAX_TX_DMA);
365 pdata->rx_max_channel_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
366 MAX_RX_DMA);
367 pdata->tx_max_q_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
368 MAX_TX_QUEUES);
369 pdata->rx_max_q_count = XP_GET_BITS(pdata->pp1, XP_PROP_1,
370 MAX_RX_QUEUES);
371 if (netif_msg_probe(pdata)) {
372 dev_dbg(dev, "max tx/rx channel count = %u/%u\n",
373 pdata->tx_max_channel_count,
374 pdata->rx_max_channel_count);
375 dev_dbg(dev, "max tx/rx hw queue count = %u/%u\n",
376 pdata->tx_max_q_count, pdata->rx_max_q_count);
377 }
378
379 /* Set the hardware channel and queue counts */
380 xgbe_set_counts(pdata);
381
382 /* Set the maximum fifo amounts */
383 pdata->tx_max_fifo_size = XP_GET_BITS(pdata->pp2, XP_PROP_2,
384 TX_FIFO_SIZE);
385 pdata->tx_max_fifo_size *= 16384;
386 pdata->tx_max_fifo_size = min(pdata->tx_max_fifo_size,
387 pdata->vdata->tx_max_fifo_size);
388 pdata->rx_max_fifo_size = XP_GET_BITS(pdata->pp2, XP_PROP_2,
389 RX_FIFO_SIZE);
390 pdata->rx_max_fifo_size *= 16384;
391 pdata->rx_max_fifo_size = min(pdata->rx_max_fifo_size,
392 pdata->vdata->rx_max_fifo_size);
393 if (netif_msg_probe(pdata))
394 dev_dbg(dev, "max tx/rx max fifo size = %u/%u\n",
395 pdata->tx_max_fifo_size, pdata->rx_max_fifo_size);
396
397 /* Configure interrupt support */
398 ret = xgbe_config_irqs(pdata);
399 if (ret)
400 goto err_pci_enable;
401
402 /* Configure the netdev resource */
403 ret = xgbe_config_netdev(pdata);
404 if (ret)
405 goto err_irq_vectors;
406
407 netdev_notice(pdata->netdev, "net device enabled\n");
408
409 return 0;
410
411err_irq_vectors:
412 pci_free_irq_vectors(pdata->pcidev);
413
414err_pci_enable:
415 xgbe_free_pdata(pdata);
416
417err_alloc:
418 dev_notice(dev, "net device not enabled\n");
419
420 return ret;
421}
422
423static void xgbe_pci_remove(struct pci_dev *pdev)
424{
425 struct xgbe_prv_data *pdata = pci_get_drvdata(pdev);
426
427 xgbe_deconfig_netdev(pdata);
428
429 pci_free_irq_vectors(pdata->pcidev);
430
431 /* Disable all interrupts in the hardware */
432 XP_IOWRITE(pdata, XP_INT_EN, 0x0);
433
434 xgbe_free_pdata(pdata);
435}
436
437static int __maybe_unused xgbe_pci_suspend(struct device *dev)
438{
439 struct xgbe_prv_data *pdata = dev_get_drvdata(dev);
440 struct net_device *netdev = pdata->netdev;
441 int ret = 0;
442
443 if (netif_running(netdev))
444 ret = xgbe_powerdown(netdev, XGMAC_DRIVER_CONTEXT);
445
446 pdata->lpm_ctrl = XMDIO_READ(pdata, MDIO_MMD_PCS, MDIO_CTRL1);
447 pdata->lpm_ctrl |= MDIO_CTRL1_LPOWER;
448 XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, pdata->lpm_ctrl);
449
450 return ret;
451}
452
453static int __maybe_unused xgbe_pci_resume(struct device *dev)
454{
455 struct xgbe_prv_data *pdata = dev_get_drvdata(dev);
456 struct net_device *netdev = pdata->netdev;
457 int ret = 0;
458
459 XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff);
460
461 pdata->lpm_ctrl &= ~MDIO_CTRL1_LPOWER;
462 XMDIO_WRITE(pdata, MDIO_MMD_PCS, MDIO_CTRL1, pdata->lpm_ctrl);
463
464 if (netif_running(netdev)) {
465 ret = xgbe_powerup(netdev, XGMAC_DRIVER_CONTEXT);
466
467 /* Schedule a restart in case the link or phy state changed
468 * while we were powered down.
469 */
470 schedule_work(&pdata->restart_work);
471 }
472
473 return ret;
474}
475
476static struct xgbe_version_data xgbe_v2a = {
477 .init_function_ptrs_phy_impl = xgbe_init_function_ptrs_phy_v2,
478 .xpcs_access = XGBE_XPCS_ACCESS_V2,
479 .mmc_64bit = 1,
480 .tx_max_fifo_size = 229376,
481 .rx_max_fifo_size = 229376,
482 .tx_tstamp_workaround = 1,
483 .ecc_support = 1,
484 .i2c_support = 1,
485 .irq_reissue_support = 1,
486 .tx_desc_prefetch = 5,
487 .rx_desc_prefetch = 5,
488 .an_cdr_workaround = 1,
489 .enable_rrc = 1,
490};
491
492static struct xgbe_version_data xgbe_v2b = {
493 .init_function_ptrs_phy_impl = xgbe_init_function_ptrs_phy_v2,
494 .xpcs_access = XGBE_XPCS_ACCESS_V2,
495 .mmc_64bit = 1,
496 .tx_max_fifo_size = 65536,
497 .rx_max_fifo_size = 65536,
498 .tx_tstamp_workaround = 1,
499 .ecc_support = 1,
500 .i2c_support = 1,
501 .irq_reissue_support = 1,
502 .tx_desc_prefetch = 5,
503 .rx_desc_prefetch = 5,
504 .an_cdr_workaround = 1,
505 .enable_rrc = 1,
506};
507
508static const struct pci_device_id xgbe_pci_table[] = {
509 { PCI_VDEVICE(AMD, 0x1458),
510 .driver_data = (kernel_ulong_t)&xgbe_v2a },
511 { PCI_VDEVICE(AMD, 0x1459),
512 .driver_data = (kernel_ulong_t)&xgbe_v2b },
513 /* Last entry must be zero */
514 { 0, }
515};
516MODULE_DEVICE_TABLE(pci, xgbe_pci_table);
517
518static SIMPLE_DEV_PM_OPS(xgbe_pci_pm_ops, xgbe_pci_suspend, xgbe_pci_resume);
519
520static struct pci_driver xgbe_driver = {
521 .name = XGBE_DRV_NAME,
522 .id_table = xgbe_pci_table,
523 .probe = xgbe_pci_probe,
524 .remove = xgbe_pci_remove,
525 .driver = {
526 .pm = &xgbe_pci_pm_ops,
527 }
528};
529
530int xgbe_pci_init(void)
531{
532 return pci_register_driver(&xgbe_driver);
533}
534
535void xgbe_pci_exit(void)
536{
537 pci_unregister_driver(&xgbe_driver);
538}