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12#include <linux/clk-provider.h>
13#include <linux/pci.h>
14#include <linux/dmi.h>
15
16#include "stmmac.h"
17
18struct stmmac_pci_info {
19 int (*setup)(struct pci_dev *pdev, struct plat_stmmacenet_data *plat);
20};
21
22static void common_default_data(struct plat_stmmacenet_data *plat)
23{
24 plat->clk_csr = 2;
25 plat->has_gmac = 1;
26 plat->force_sf_dma_mode = 1;
27
28 plat->mdio_bus_data->needs_reset = true;
29
30
31 plat->multicast_filter_bins = HASH_TABLE_SIZE;
32
33
34 plat->unicast_filter_entries = 1;
35
36
37 plat->maxmtu = JUMBO_LEN;
38
39
40 plat->tx_queues_to_use = 1;
41 plat->rx_queues_to_use = 1;
42
43
44 plat->tx_queues_cfg[0].use_prio = false;
45 plat->rx_queues_cfg[0].use_prio = false;
46
47
48 plat->rx_queues_cfg[0].pkt_route = 0x0;
49}
50
51static int stmmac_default_data(struct pci_dev *pdev,
52 struct plat_stmmacenet_data *plat)
53{
54
55 common_default_data(plat);
56
57 plat->bus_id = 1;
58 plat->phy_addr = 0;
59 plat->phy_interface = PHY_INTERFACE_MODE_GMII;
60
61 plat->dma_cfg->pbl = 32;
62 plat->dma_cfg->pblx8 = true;
63
64
65 return 0;
66}
67
68static const struct stmmac_pci_info stmmac_pci_info = {
69 .setup = stmmac_default_data,
70};
71
72static int snps_gmac5_default_data(struct pci_dev *pdev,
73 struct plat_stmmacenet_data *plat)
74{
75 int i;
76
77 plat->clk_csr = 5;
78 plat->has_gmac4 = 1;
79 plat->force_sf_dma_mode = 1;
80 plat->tso_en = 1;
81 plat->pmt = 1;
82
83
84 plat->multicast_filter_bins = HASH_TABLE_SIZE;
85
86
87 plat->unicast_filter_entries = 1;
88
89
90 plat->maxmtu = JUMBO_LEN;
91
92
93 plat->tx_queues_to_use = 4;
94 plat->rx_queues_to_use = 4;
95
96 plat->tx_sched_algorithm = MTL_TX_ALGORITHM_WRR;
97 for (i = 0; i < plat->tx_queues_to_use; i++) {
98 plat->tx_queues_cfg[i].use_prio = false;
99 plat->tx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB;
100 plat->tx_queues_cfg[i].weight = 25;
101 if (i > 0)
102 plat->tx_queues_cfg[i].tbs_en = 1;
103 }
104
105 plat->rx_sched_algorithm = MTL_RX_ALGORITHM_SP;
106 for (i = 0; i < plat->rx_queues_to_use; i++) {
107 plat->rx_queues_cfg[i].use_prio = false;
108 plat->rx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB;
109 plat->rx_queues_cfg[i].pkt_route = 0x0;
110 plat->rx_queues_cfg[i].chan = i;
111 }
112
113 plat->bus_id = 1;
114 plat->phy_addr = -1;
115 plat->phy_interface = PHY_INTERFACE_MODE_GMII;
116
117 plat->dma_cfg->pbl = 32;
118 plat->dma_cfg->pblx8 = true;
119
120
121 plat->axi = devm_kzalloc(&pdev->dev, sizeof(*plat->axi), GFP_KERNEL);
122 if (!plat->axi)
123 return -ENOMEM;
124
125 plat->axi->axi_wr_osr_lmt = 31;
126 plat->axi->axi_rd_osr_lmt = 31;
127
128 plat->axi->axi_fb = false;
129 plat->axi->axi_blen[0] = 4;
130 plat->axi->axi_blen[1] = 8;
131 plat->axi->axi_blen[2] = 16;
132 plat->axi->axi_blen[3] = 32;
133
134 return 0;
135}
136
137static const struct stmmac_pci_info snps_gmac5_pci_info = {
138 .setup = snps_gmac5_default_data,
139};
140
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151
152
153static int stmmac_pci_probe(struct pci_dev *pdev,
154 const struct pci_device_id *id)
155{
156 struct stmmac_pci_info *info = (struct stmmac_pci_info *)id->driver_data;
157 struct plat_stmmacenet_data *plat;
158 struct stmmac_resources res;
159 int i;
160 int ret;
161
162 plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
163 if (!plat)
164 return -ENOMEM;
165
166 plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
167 sizeof(*plat->mdio_bus_data),
168 GFP_KERNEL);
169 if (!plat->mdio_bus_data)
170 return -ENOMEM;
171
172 plat->dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*plat->dma_cfg),
173 GFP_KERNEL);
174 if (!plat->dma_cfg)
175 return -ENOMEM;
176
177
178 ret = pci_enable_device(pdev);
179 if (ret) {
180 dev_err(&pdev->dev, "%s: ERROR: failed to enable device\n",
181 __func__);
182 return ret;
183 }
184
185
186 for (i = 0; i < PCI_STD_NUM_BARS; i++) {
187 if (pci_resource_len(pdev, i) == 0)
188 continue;
189 ret = pcim_iomap_regions(pdev, BIT(i), pci_name(pdev));
190 if (ret)
191 return ret;
192 break;
193 }
194
195 pci_set_master(pdev);
196
197 ret = info->setup(pdev, plat);
198 if (ret)
199 return ret;
200
201 pci_enable_msi(pdev);
202
203 memset(&res, 0, sizeof(res));
204 res.addr = pcim_iomap_table(pdev)[i];
205 res.wol_irq = pdev->irq;
206 res.irq = pdev->irq;
207
208 return stmmac_dvr_probe(&pdev->dev, plat, &res);
209}
210
211
212
213
214
215
216
217
218static void stmmac_pci_remove(struct pci_dev *pdev)
219{
220 int i;
221
222 stmmac_dvr_remove(&pdev->dev);
223
224 for (i = 0; i < PCI_STD_NUM_BARS; i++) {
225 if (pci_resource_len(pdev, i) == 0)
226 continue;
227 pcim_iounmap_regions(pdev, BIT(i));
228 break;
229 }
230
231 pci_disable_device(pdev);
232}
233
234static int __maybe_unused stmmac_pci_suspend(struct device *dev)
235{
236 struct pci_dev *pdev = to_pci_dev(dev);
237 int ret;
238
239 ret = stmmac_suspend(dev);
240 if (ret)
241 return ret;
242
243 ret = pci_save_state(pdev);
244 if (ret)
245 return ret;
246
247 pci_disable_device(pdev);
248 pci_wake_from_d3(pdev, true);
249 return 0;
250}
251
252static int __maybe_unused stmmac_pci_resume(struct device *dev)
253{
254 struct pci_dev *pdev = to_pci_dev(dev);
255 int ret;
256
257 pci_restore_state(pdev);
258 pci_set_power_state(pdev, PCI_D0);
259
260 ret = pci_enable_device(pdev);
261 if (ret)
262 return ret;
263
264 pci_set_master(pdev);
265
266 return stmmac_resume(dev);
267}
268
269static SIMPLE_DEV_PM_OPS(stmmac_pm_ops, stmmac_pci_suspend, stmmac_pci_resume);
270
271
272#define PCI_VENDOR_ID_STMMAC 0x0700
273
274#define PCI_DEVICE_ID_STMMAC_STMMAC 0x1108
275#define PCI_DEVICE_ID_SYNOPSYS_GMAC5_ID 0x7102
276
277static const struct pci_device_id stmmac_id_table[] = {
278 { PCI_DEVICE_DATA(STMMAC, STMMAC, &stmmac_pci_info) },
279 { PCI_DEVICE_DATA(STMICRO, MAC, &stmmac_pci_info) },
280 { PCI_DEVICE_DATA(SYNOPSYS, GMAC5_ID, &snps_gmac5_pci_info) },
281 {}
282};
283
284MODULE_DEVICE_TABLE(pci, stmmac_id_table);
285
286static struct pci_driver stmmac_pci_driver = {
287 .name = STMMAC_RESOURCE_NAME,
288 .id_table = stmmac_id_table,
289 .probe = stmmac_pci_probe,
290 .remove = stmmac_pci_remove,
291 .driver = {
292 .pm = &stmmac_pm_ops,
293 },
294};
295
296module_pci_driver(stmmac_pci_driver);
297
298MODULE_DESCRIPTION("STMMAC 10/100/1000 Ethernet PCI driver");
299MODULE_AUTHOR("Rayagond Kokatanur <rayagond.kokatanur@vayavyalabs.com>");
300MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>");
301MODULE_LICENSE("GPL");
302