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stmmac: intel: Configure EHL PSE0 GbE and PSE1 GbE to 32 bits DMA addressing
[mirror_ubuntu-hirsute-kernel.git] / drivers / net / ethernet / stmicro / stmmac / dwmac-intel.c
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1// SPDX-License-Identifier: GPL-2.0
2/* Copyright (c) 2020, Intel Corporation
3 */
4
5#include <linux/clk-provider.h>
6#include <linux/pci.h>
7#include <linux/dmi.h>
b9663b7c 8#include "dwmac-intel.h"
b4c5f83a 9#include "dwmac4.h"
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10#include "stmmac.h"
11
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12struct intel_priv_data {
13 int mdio_adhoc_addr; /* mdio address for serdes & etc */
14};
15
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16/* This struct is used to associate PCI Function of MAC controller on a board,
17 * discovered via DMI, with the address of PHY connected to the MAC. The
18 * negative value of the address means that MAC controller is not connected
19 * with PHY.
20 */
21struct stmmac_pci_func_data {
22 unsigned int func;
23 int phy_addr;
24};
25
26struct stmmac_pci_dmi_data {
27 const struct stmmac_pci_func_data *func;
28 size_t nfuncs;
29};
30
31struct stmmac_pci_info {
32 int (*setup)(struct pci_dev *pdev, struct plat_stmmacenet_data *plat);
33};
34
35static int stmmac_pci_find_phy_addr(struct pci_dev *pdev,
36 const struct dmi_system_id *dmi_list)
37{
38 const struct stmmac_pci_func_data *func_data;
39 const struct stmmac_pci_dmi_data *dmi_data;
40 const struct dmi_system_id *dmi_id;
41 int func = PCI_FUNC(pdev->devfn);
42 size_t n;
43
44 dmi_id = dmi_first_match(dmi_list);
45 if (!dmi_id)
46 return -ENODEV;
47
48 dmi_data = dmi_id->driver_data;
49 func_data = dmi_data->func;
50
51 for (n = 0; n < dmi_data->nfuncs; n++, func_data++)
52 if (func_data->func == func)
53 return func_data->phy_addr;
54
55 return -ENODEV;
56}
57
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58static int serdes_status_poll(struct stmmac_priv *priv, int phyaddr,
59 int phyreg, u32 mask, u32 val)
60{
61 unsigned int retries = 10;
62 int val_rd;
63
64 do {
65 val_rd = mdiobus_read(priv->mii, phyaddr, phyreg);
66 if ((val_rd & mask) == (val & mask))
67 return 0;
68 udelay(POLL_DELAY_US);
69 } while (--retries);
70
71 return -ETIMEDOUT;
72}
73
74static int intel_serdes_powerup(struct net_device *ndev, void *priv_data)
75{
76 struct intel_priv_data *intel_priv = priv_data;
77 struct stmmac_priv *priv = netdev_priv(ndev);
78 int serdes_phy_addr = 0;
79 u32 data = 0;
80
81 if (!intel_priv->mdio_adhoc_addr)
82 return 0;
83
84 serdes_phy_addr = intel_priv->mdio_adhoc_addr;
85
86 /* assert clk_req */
ccacb703 87 data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
b9663b7c 88 data |= SERDES_PLL_CLK;
ccacb703 89 mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);
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90
91 /* check for clk_ack assertion */
92 data = serdes_status_poll(priv, serdes_phy_addr,
93 SERDES_GSR0,
94 SERDES_PLL_CLK,
95 SERDES_PLL_CLK);
96
97 if (data) {
98 dev_err(priv->device, "Serdes PLL clk request timeout\n");
99 return data;
100 }
101
102 /* assert lane reset */
ccacb703 103 data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
b9663b7c 104 data |= SERDES_RST;
ccacb703 105 mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);
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106
107 /* check for assert lane reset reflection */
108 data = serdes_status_poll(priv, serdes_phy_addr,
109 SERDES_GSR0,
110 SERDES_RST,
111 SERDES_RST);
112
113 if (data) {
114 dev_err(priv->device, "Serdes assert lane reset timeout\n");
115 return data;
116 }
117
118 /* move power state to P0 */
ccacb703 119 data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
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120
121 data &= ~SERDES_PWR_ST_MASK;
122 data |= SERDES_PWR_ST_P0 << SERDES_PWR_ST_SHIFT;
123
ccacb703 124 mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);
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125
126 /* Check for P0 state */
127 data = serdes_status_poll(priv, serdes_phy_addr,
128 SERDES_GSR0,
129 SERDES_PWR_ST_MASK,
130 SERDES_PWR_ST_P0 << SERDES_PWR_ST_SHIFT);
131
132 if (data) {
133 dev_err(priv->device, "Serdes power state P0 timeout.\n");
134 return data;
135 }
136
137 return 0;
138}
139
140static void intel_serdes_powerdown(struct net_device *ndev, void *intel_data)
141{
142 struct intel_priv_data *intel_priv = intel_data;
143 struct stmmac_priv *priv = netdev_priv(ndev);
144 int serdes_phy_addr = 0;
145 u32 data = 0;
146
147 if (!intel_priv->mdio_adhoc_addr)
148 return;
149
150 serdes_phy_addr = intel_priv->mdio_adhoc_addr;
151
152 /* move power state to P3 */
ccacb703 153 data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
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154
155 data &= ~SERDES_PWR_ST_MASK;
156 data |= SERDES_PWR_ST_P3 << SERDES_PWR_ST_SHIFT;
157
ccacb703 158 mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);
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159
160 /* Check for P3 state */
161 data = serdes_status_poll(priv, serdes_phy_addr,
162 SERDES_GSR0,
163 SERDES_PWR_ST_MASK,
164 SERDES_PWR_ST_P3 << SERDES_PWR_ST_SHIFT);
165
166 if (data) {
167 dev_err(priv->device, "Serdes power state P3 timeout\n");
168 return;
169 }
170
171 /* de-assert clk_req */
ccacb703 172 data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
b9663b7c 173 data &= ~SERDES_PLL_CLK;
ccacb703 174 mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);
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175
176 /* check for clk_ack de-assert */
177 data = serdes_status_poll(priv, serdes_phy_addr,
178 SERDES_GSR0,
179 SERDES_PLL_CLK,
180 (u32)~SERDES_PLL_CLK);
181
182 if (data) {
183 dev_err(priv->device, "Serdes PLL clk de-assert timeout\n");
184 return;
185 }
186
187 /* de-assert lane reset */
ccacb703 188 data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
b9663b7c 189 data &= ~SERDES_RST;
ccacb703 190 mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);
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191
192 /* check for de-assert lane reset reflection */
193 data = serdes_status_poll(priv, serdes_phy_addr,
194 SERDES_GSR0,
195 SERDES_RST,
196 (u32)~SERDES_RST);
197
198 if (data) {
199 dev_err(priv->device, "Serdes de-assert lane reset timeout\n");
200 return;
201 }
202}
203
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204static void common_default_data(struct plat_stmmacenet_data *plat)
205{
206 plat->clk_csr = 2; /* clk_csr_i = 20-35MHz & MDC = clk_csr_i/16 */
207 plat->has_gmac = 1;
208 plat->force_sf_dma_mode = 1;
209
210 plat->mdio_bus_data->needs_reset = true;
211
212 /* Set default value for multicast hash bins */
213 plat->multicast_filter_bins = HASH_TABLE_SIZE;
214
215 /* Set default value for unicast filter entries */
216 plat->unicast_filter_entries = 1;
217
218 /* Set the maxmtu to a default of JUMBO_LEN */
219 plat->maxmtu = JUMBO_LEN;
220
221 /* Set default number of RX and TX queues to use */
222 plat->tx_queues_to_use = 1;
223 plat->rx_queues_to_use = 1;
224
225 /* Disable Priority config by default */
226 plat->tx_queues_cfg[0].use_prio = false;
227 plat->rx_queues_cfg[0].use_prio = false;
228
229 /* Disable RX queues routing by default */
230 plat->rx_queues_cfg[0].pkt_route = 0x0;
231}
232
233static int intel_mgbe_common_data(struct pci_dev *pdev,
234 struct plat_stmmacenet_data *plat)
235{
09f012e6 236 int ret;
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237 int i;
238
bff6f1db 239 plat->phy_addr = -1;
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240 plat->clk_csr = 5;
241 plat->has_gmac = 0;
242 plat->has_gmac4 = 1;
243 plat->force_sf_dma_mode = 0;
244 plat->tso_en = 1;
245
246 plat->rx_sched_algorithm = MTL_RX_ALGORITHM_SP;
247
248 for (i = 0; i < plat->rx_queues_to_use; i++) {
249 plat->rx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB;
250 plat->rx_queues_cfg[i].chan = i;
251
252 /* Disable Priority config by default */
253 plat->rx_queues_cfg[i].use_prio = false;
254
255 /* Disable RX queues routing by default */
256 plat->rx_queues_cfg[i].pkt_route = 0x0;
257 }
258
259 for (i = 0; i < plat->tx_queues_to_use; i++) {
260 plat->tx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB;
261
262 /* Disable Priority config by default */
263 plat->tx_queues_cfg[i].use_prio = false;
264 }
265
266 /* FIFO size is 4096 bytes for 1 tx/rx queue */
267 plat->tx_fifo_size = plat->tx_queues_to_use * 4096;
268 plat->rx_fifo_size = plat->rx_queues_to_use * 4096;
269
270 plat->tx_sched_algorithm = MTL_TX_ALGORITHM_WRR;
271 plat->tx_queues_cfg[0].weight = 0x09;
272 plat->tx_queues_cfg[1].weight = 0x0A;
273 plat->tx_queues_cfg[2].weight = 0x0B;
274 plat->tx_queues_cfg[3].weight = 0x0C;
275 plat->tx_queues_cfg[4].weight = 0x0D;
276 plat->tx_queues_cfg[5].weight = 0x0E;
277 plat->tx_queues_cfg[6].weight = 0x0F;
278 plat->tx_queues_cfg[7].weight = 0x10;
279
280 plat->dma_cfg->pbl = 32;
281 plat->dma_cfg->pblx8 = true;
282 plat->dma_cfg->fixed_burst = 0;
283 plat->dma_cfg->mixed_burst = 0;
284 plat->dma_cfg->aal = 0;
285
286 plat->axi = devm_kzalloc(&pdev->dev, sizeof(*plat->axi),
287 GFP_KERNEL);
288 if (!plat->axi)
289 return -ENOMEM;
290
291 plat->axi->axi_lpi_en = 0;
292 plat->axi->axi_xit_frm = 0;
293 plat->axi->axi_wr_osr_lmt = 1;
294 plat->axi->axi_rd_osr_lmt = 1;
295 plat->axi->axi_blen[0] = 4;
296 plat->axi->axi_blen[1] = 8;
297 plat->axi->axi_blen[2] = 16;
298
299 plat->ptp_max_adj = plat->clk_ptp_rate;
b4c5f83a 300 plat->eee_usecs_rate = plat->clk_ptp_rate;
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301
302 /* Set system clock */
303 plat->stmmac_clk = clk_register_fixed_rate(&pdev->dev,
304 "stmmac-clk", NULL, 0,
305 plat->clk_ptp_rate);
306
307 if (IS_ERR(plat->stmmac_clk)) {
308 dev_warn(&pdev->dev, "Fail to register stmmac-clk\n");
309 plat->stmmac_clk = NULL;
310 }
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311
312 ret = clk_prepare_enable(plat->stmmac_clk);
313 if (ret) {
314 clk_unregister_fixed_rate(plat->stmmac_clk);
315 return ret;
316 }
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317
318 /* Set default value for multicast hash bins */
319 plat->multicast_filter_bins = HASH_TABLE_SIZE;
320
321 /* Set default value for unicast filter entries */
322 plat->unicast_filter_entries = 1;
323
324 /* Set the maxmtu to a default of JUMBO_LEN */
325 plat->maxmtu = JUMBO_LEN;
326
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327 plat->vlan_fail_q_en = true;
328
329 /* Use the last Rx queue */
330 plat->vlan_fail_q = plat->rx_queues_to_use - 1;
331
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332 return 0;
333}
334
335static int ehl_common_data(struct pci_dev *pdev,
336 struct plat_stmmacenet_data *plat)
337{
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338 plat->rx_queues_to_use = 8;
339 plat->tx_queues_to_use = 8;
340 plat->clk_ptp_rate = 200000000;
58da0cfa 341
d5383b03 342 return intel_mgbe_common_data(pdev, plat);
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343}
344
345static int ehl_sgmii_data(struct pci_dev *pdev,
346 struct plat_stmmacenet_data *plat)
347{
348 plat->bus_id = 1;
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349 plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
350
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351 plat->serdes_powerup = intel_serdes_powerup;
352 plat->serdes_powerdown = intel_serdes_powerdown;
353
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354 return ehl_common_data(pdev, plat);
355}
356
ccacb703 357static struct stmmac_pci_info ehl_sgmii1g_info = {
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358 .setup = ehl_sgmii_data,
359};
360
361static int ehl_rgmii_data(struct pci_dev *pdev,
362 struct plat_stmmacenet_data *plat)
363{
364 plat->bus_id = 1;
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365 plat->phy_interface = PHY_INTERFACE_MODE_RGMII;
366
367 return ehl_common_data(pdev, plat);
368}
369
ccacb703 370static struct stmmac_pci_info ehl_rgmii1g_info = {
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371 .setup = ehl_rgmii_data,
372};
373
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374static int ehl_pse0_common_data(struct pci_dev *pdev,
375 struct plat_stmmacenet_data *plat)
376{
377 plat->bus_id = 2;
7cfc4486 378 plat->addr64 = 32;
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379 return ehl_common_data(pdev, plat);
380}
381
382static int ehl_pse0_rgmii1g_data(struct pci_dev *pdev,
383 struct plat_stmmacenet_data *plat)
384{
385 plat->phy_interface = PHY_INTERFACE_MODE_RGMII_ID;
386 return ehl_pse0_common_data(pdev, plat);
387}
388
ccacb703 389static struct stmmac_pci_info ehl_pse0_rgmii1g_info = {
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390 .setup = ehl_pse0_rgmii1g_data,
391};
392
393static int ehl_pse0_sgmii1g_data(struct pci_dev *pdev,
394 struct plat_stmmacenet_data *plat)
395{
396 plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
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397 plat->serdes_powerup = intel_serdes_powerup;
398 plat->serdes_powerdown = intel_serdes_powerdown;
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399 return ehl_pse0_common_data(pdev, plat);
400}
401
ccacb703 402static struct stmmac_pci_info ehl_pse0_sgmii1g_info = {
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403 .setup = ehl_pse0_sgmii1g_data,
404};
405
406static int ehl_pse1_common_data(struct pci_dev *pdev,
407 struct plat_stmmacenet_data *plat)
408{
409 plat->bus_id = 3;
7cfc4486 410 plat->addr64 = 32;
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411 return ehl_common_data(pdev, plat);
412}
413
414static int ehl_pse1_rgmii1g_data(struct pci_dev *pdev,
415 struct plat_stmmacenet_data *plat)
416{
417 plat->phy_interface = PHY_INTERFACE_MODE_RGMII_ID;
418 return ehl_pse1_common_data(pdev, plat);
419}
420
ccacb703 421static struct stmmac_pci_info ehl_pse1_rgmii1g_info = {
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422 .setup = ehl_pse1_rgmii1g_data,
423};
424
425static int ehl_pse1_sgmii1g_data(struct pci_dev *pdev,
426 struct plat_stmmacenet_data *plat)
427{
428 plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
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429 plat->serdes_powerup = intel_serdes_powerup;
430 plat->serdes_powerdown = intel_serdes_powerdown;
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431 return ehl_pse1_common_data(pdev, plat);
432}
433
ccacb703 434static struct stmmac_pci_info ehl_pse1_sgmii1g_info = {
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435 .setup = ehl_pse1_sgmii1g_data,
436};
437
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438static int tgl_common_data(struct pci_dev *pdev,
439 struct plat_stmmacenet_data *plat)
440{
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441 plat->rx_queues_to_use = 6;
442 plat->tx_queues_to_use = 4;
443 plat->clk_ptp_rate = 200000000;
58da0cfa 444
d5383b03 445 return intel_mgbe_common_data(pdev, plat);
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446}
447
448static int tgl_sgmii_data(struct pci_dev *pdev,
449 struct plat_stmmacenet_data *plat)
450{
451 plat->bus_id = 1;
58da0cfa 452 plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
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453 plat->serdes_powerup = intel_serdes_powerup;
454 plat->serdes_powerdown = intel_serdes_powerdown;
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455 return tgl_common_data(pdev, plat);
456}
457
ccacb703 458static struct stmmac_pci_info tgl_sgmii1g_info = {
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459 .setup = tgl_sgmii_data,
460};
461
462static const struct stmmac_pci_func_data galileo_stmmac_func_data[] = {
463 {
464 .func = 6,
465 .phy_addr = 1,
466 },
467};
468
469static const struct stmmac_pci_dmi_data galileo_stmmac_dmi_data = {
470 .func = galileo_stmmac_func_data,
471 .nfuncs = ARRAY_SIZE(galileo_stmmac_func_data),
472};
473
474static const struct stmmac_pci_func_data iot2040_stmmac_func_data[] = {
475 {
476 .func = 6,
477 .phy_addr = 1,
478 },
479 {
480 .func = 7,
481 .phy_addr = 1,
482 },
483};
484
485static const struct stmmac_pci_dmi_data iot2040_stmmac_dmi_data = {
486 .func = iot2040_stmmac_func_data,
487 .nfuncs = ARRAY_SIZE(iot2040_stmmac_func_data),
488};
489
490static const struct dmi_system_id quark_pci_dmi[] = {
491 {
492 .matches = {
493 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Galileo"),
494 },
495 .driver_data = (void *)&galileo_stmmac_dmi_data,
496 },
497 {
498 .matches = {
499 DMI_EXACT_MATCH(DMI_BOARD_NAME, "GalileoGen2"),
500 },
501 .driver_data = (void *)&galileo_stmmac_dmi_data,
502 },
503 /* There are 2 types of SIMATIC IOT2000: IOT2020 and IOT2040.
504 * The asset tag "6ES7647-0AA00-0YA2" is only for IOT2020 which
505 * has only one pci network device while other asset tags are
506 * for IOT2040 which has two.
507 */
508 {
509 .matches = {
510 DMI_EXACT_MATCH(DMI_BOARD_NAME, "SIMATIC IOT2000"),
511 DMI_EXACT_MATCH(DMI_BOARD_ASSET_TAG,
512 "6ES7647-0AA00-0YA2"),
513 },
514 .driver_data = (void *)&galileo_stmmac_dmi_data,
515 },
516 {
517 .matches = {
518 DMI_EXACT_MATCH(DMI_BOARD_NAME, "SIMATIC IOT2000"),
519 },
520 .driver_data = (void *)&iot2040_stmmac_dmi_data,
521 },
522 {}
523};
524
525static int quark_default_data(struct pci_dev *pdev,
526 struct plat_stmmacenet_data *plat)
527{
528 int ret;
529
530 /* Set common default data first */
531 common_default_data(plat);
532
533 /* Refuse to load the driver and register net device if MAC controller
534 * does not connect to any PHY interface.
535 */
536 ret = stmmac_pci_find_phy_addr(pdev, quark_pci_dmi);
537 if (ret < 0) {
538 /* Return error to the caller on DMI enabled boards. */
539 if (dmi_get_system_info(DMI_BOARD_NAME))
540 return ret;
541
542 /* Galileo boards with old firmware don't support DMI. We always
543 * use 1 here as PHY address, so at least the first found MAC
544 * controller would be probed.
545 */
546 ret = 1;
547 }
548
549 plat->bus_id = pci_dev_id(pdev);
550 plat->phy_addr = ret;
551 plat->phy_interface = PHY_INTERFACE_MODE_RMII;
552
553 plat->dma_cfg->pbl = 16;
554 plat->dma_cfg->pblx8 = true;
555 plat->dma_cfg->fixed_burst = 1;
556 /* AXI (TODO) */
557
558 return 0;
559}
560
ccacb703 561static const struct stmmac_pci_info quark_info = {
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562 .setup = quark_default_data,
563};
564
565/**
566 * intel_eth_pci_probe
567 *
568 * @pdev: pci device pointer
569 * @id: pointer to table of device id/id's.
570 *
571 * Description: This probing function gets called for all PCI devices which
572 * match the ID table and are not "owned" by other driver yet. This function
573 * gets passed a "struct pci_dev *" for each device whose entry in the ID table
574 * matches the device. The probe functions returns zero when the driver choose
575 * to take "ownership" of the device or an error code(-ve no) otherwise.
576 */
577static int intel_eth_pci_probe(struct pci_dev *pdev,
578 const struct pci_device_id *id)
579{
580 struct stmmac_pci_info *info = (struct stmmac_pci_info *)id->driver_data;
b9663b7c 581 struct intel_priv_data *intel_priv;
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582 struct plat_stmmacenet_data *plat;
583 struct stmmac_resources res;
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584 int ret;
585
ccacb703 586 intel_priv = devm_kzalloc(&pdev->dev, sizeof(*intel_priv), GFP_KERNEL);
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587 if (!intel_priv)
588 return -ENOMEM;
589
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590 plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
591 if (!plat)
592 return -ENOMEM;
593
594 plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
595 sizeof(*plat->mdio_bus_data),
596 GFP_KERNEL);
597 if (!plat->mdio_bus_data)
598 return -ENOMEM;
599
600 plat->dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*plat->dma_cfg),
601 GFP_KERNEL);
602 if (!plat->dma_cfg)
603 return -ENOMEM;
604
605 /* Enable pci device */
606 ret = pci_enable_device(pdev);
607 if (ret) {
608 dev_err(&pdev->dev, "%s: ERROR: failed to enable device\n",
609 __func__);
610 return ret;
611 }
612
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613 ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
614 if (ret)
615 return ret;
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616
617 pci_set_master(pdev);
618
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619 plat->bsp_priv = intel_priv;
620 intel_priv->mdio_adhoc_addr = 0x15;
621
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622 ret = info->setup(pdev, plat);
623 if (ret)
624 return ret;
625
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AS
626 ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
627 if (ret < 0)
628 return ret;
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629
630 memset(&res, 0, sizeof(res));
e578f043 631 res.addr = pcim_iomap_table(pdev)[0];
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632 res.wol_irq = pci_irq_vector(pdev, 0);
633 res.irq = pci_irq_vector(pdev, 0);
58da0cfa 634
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WVK
635 if (plat->eee_usecs_rate > 0) {
636 u32 tx_lpi_usec;
637
638 tx_lpi_usec = (plat->eee_usecs_rate / 1000000) - 1;
639 writel(tx_lpi_usec, res.addr + GMAC_1US_TIC_COUNTER);
640 }
641
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AS
642 ret = stmmac_dvr_probe(&pdev->dev, plat, &res);
643 if (ret) {
52c1f794 644 pci_free_irq_vectors(pdev);
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AS
645 clk_disable_unprepare(plat->stmmac_clk);
646 clk_unregister_fixed_rate(plat->stmmac_clk);
647 }
648
649 return ret;
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650}
651
652/**
653 * intel_eth_pci_remove
654 *
655 * @pdev: platform device pointer
656 * Description: this function calls the main to free the net resources
657 * and releases the PCI resources.
658 */
659static void intel_eth_pci_remove(struct pci_dev *pdev)
660{
661 struct net_device *ndev = dev_get_drvdata(&pdev->dev);
662 struct stmmac_priv *priv = netdev_priv(ndev);
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663
664 stmmac_dvr_remove(&pdev->dev);
665
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AS
666 pci_free_irq_vectors(pdev);
667
09f012e6 668 clk_unregister_fixed_rate(priv->plat->stmmac_clk);
58da0cfa 669
e578f043 670 pcim_iounmap_regions(pdev, BIT(0));
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671
672 pci_disable_device(pdev);
673}
674
675static int __maybe_unused intel_eth_pci_suspend(struct device *dev)
676{
677 struct pci_dev *pdev = to_pci_dev(dev);
678 int ret;
679
680 ret = stmmac_suspend(dev);
681 if (ret)
682 return ret;
683
684 ret = pci_save_state(pdev);
685 if (ret)
686 return ret;
687
688 pci_disable_device(pdev);
689 pci_wake_from_d3(pdev, true);
690 return 0;
691}
692
693static int __maybe_unused intel_eth_pci_resume(struct device *dev)
694{
695 struct pci_dev *pdev = to_pci_dev(dev);
696 int ret;
697
698 pci_restore_state(pdev);
699 pci_set_power_state(pdev, PCI_D0);
700
701 ret = pci_enable_device(pdev);
702 if (ret)
703 return ret;
704
705 pci_set_master(pdev);
706
707 return stmmac_resume(dev);
708}
709
710static SIMPLE_DEV_PM_OPS(intel_eth_pm_ops, intel_eth_pci_suspend,
711 intel_eth_pci_resume);
712
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VW
713#define PCI_DEVICE_ID_INTEL_QUARK_ID 0x0937
714#define PCI_DEVICE_ID_INTEL_EHL_RGMII1G_ID 0x4b30
715#define PCI_DEVICE_ID_INTEL_EHL_SGMII1G_ID 0x4b31
716#define PCI_DEVICE_ID_INTEL_EHL_SGMII2G5_ID 0x4b32
67c08ac4
VW
717/* Intel(R) Programmable Services Engine (Intel(R) PSE) consist of 2 MAC
718 * which are named PSE0 and PSE1
719 */
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720#define PCI_DEVICE_ID_INTEL_EHL_PSE0_RGMII1G_ID 0x4ba0
721#define PCI_DEVICE_ID_INTEL_EHL_PSE0_SGMII1G_ID 0x4ba1
722#define PCI_DEVICE_ID_INTEL_EHL_PSE0_SGMII2G5_ID 0x4ba2
723#define PCI_DEVICE_ID_INTEL_EHL_PSE1_RGMII1G_ID 0x4bb0
724#define PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII1G_ID 0x4bb1
725#define PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII2G5_ID 0x4bb2
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NAAT
726#define PCI_DEVICE_ID_INTEL_TGLH_SGMII1G_0_ID 0x43ac
727#define PCI_DEVICE_ID_INTEL_TGLH_SGMII1G_1_ID 0x43a2
d63439f5 728#define PCI_DEVICE_ID_INTEL_TGL_SGMII1G_ID 0xa0ac
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729
730static const struct pci_device_id intel_eth_pci_id_table[] = {
ccacb703
AS
731 { PCI_DEVICE_DATA(INTEL, QUARK_ID, &quark_info) },
732 { PCI_DEVICE_DATA(INTEL, EHL_RGMII1G_ID, &ehl_rgmii1g_info) },
733 { PCI_DEVICE_DATA(INTEL, EHL_SGMII1G_ID, &ehl_sgmii1g_info) },
734 { PCI_DEVICE_DATA(INTEL, EHL_SGMII2G5_ID, &ehl_sgmii1g_info) },
735 { PCI_DEVICE_DATA(INTEL, EHL_PSE0_RGMII1G_ID, &ehl_pse0_rgmii1g_info) },
736 { PCI_DEVICE_DATA(INTEL, EHL_PSE0_SGMII1G_ID, &ehl_pse0_sgmii1g_info) },
737 { PCI_DEVICE_DATA(INTEL, EHL_PSE0_SGMII2G5_ID, &ehl_pse0_sgmii1g_info) },
738 { PCI_DEVICE_DATA(INTEL, EHL_PSE1_RGMII1G_ID, &ehl_pse1_rgmii1g_info) },
739 { PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII1G_ID, &ehl_pse1_sgmii1g_info) },
740 { PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII2G5_ID, &ehl_pse1_sgmii1g_info) },
741 { PCI_DEVICE_DATA(INTEL, TGL_SGMII1G_ID, &tgl_sgmii1g_info) },
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NAAT
742 { PCI_DEVICE_DATA(INTEL, TGLH_SGMII1G_0_ID, &tgl_sgmii1g_info) },
743 { PCI_DEVICE_DATA(INTEL, TGLH_SGMII1G_1_ID, &tgl_sgmii1g_info) },
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744 {}
745};
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746MODULE_DEVICE_TABLE(pci, intel_eth_pci_id_table);
747
748static struct pci_driver intel_eth_pci_driver = {
749 .name = "intel-eth-pci",
750 .id_table = intel_eth_pci_id_table,
751 .probe = intel_eth_pci_probe,
752 .remove = intel_eth_pci_remove,
753 .driver = {
754 .pm = &intel_eth_pm_ops,
755 },
756};
757
758module_pci_driver(intel_eth_pci_driver);
759
760MODULE_DESCRIPTION("INTEL 10/100/1000 Ethernet PCI driver");
761MODULE_AUTHOR("Voon Weifeng <weifeng.voon@intel.com>");
762MODULE_LICENSE("GPL v2");