1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26#include <linux/pci.h>
27#include <linux/dmi.h>
28
29#include "stmmac.h"
30
31
32
33
34
35
36
37struct stmmac_pci_dmi_data {
38 const char *name;
39 unsigned int func;
40 int phy_addr;
41};
42
43struct stmmac_pci_info {
44 struct pci_dev *pdev;
45 int (*setup)(struct plat_stmmacenet_data *plat,
46 struct stmmac_pci_info *info);
47 struct stmmac_pci_dmi_data *dmi;
48};
49
50static int stmmac_pci_find_phy_addr(struct stmmac_pci_info *info)
51{
52 const char *name = dmi_get_system_info(DMI_BOARD_NAME);
53 unsigned int func = PCI_FUNC(info->pdev->devfn);
54 struct stmmac_pci_dmi_data *dmi;
55
56
57
58
59
60 if (!name)
61 return 1;
62
63 for (dmi = info->dmi; dmi->name && *dmi->name; dmi++) {
64 if (!strcmp(dmi->name, name) && dmi->func == func)
65 return dmi->phy_addr;
66 }
67
68 return -ENODEV;
69}
70
71static void stmmac_default_data(struct plat_stmmacenet_data *plat)
72{
73 plat->bus_id = 1;
74 plat->phy_addr = 0;
75 plat->interface = PHY_INTERFACE_MODE_GMII;
76 plat->clk_csr = 2;
77 plat->has_gmac = 1;
78 plat->force_sf_dma_mode = 1;
79
80 plat->mdio_bus_data->phy_reset = NULL;
81 plat->mdio_bus_data->phy_mask = 0;
82
83 plat->dma_cfg->pbl = 32;
84
85
86
87 plat->multicast_filter_bins = HASH_TABLE_SIZE;
88
89
90 plat->unicast_filter_entries = 1;
91}
92
93static int quark_default_data(struct plat_stmmacenet_data *plat,
94 struct stmmac_pci_info *info)
95{
96 struct pci_dev *pdev = info->pdev;
97 int ret;
98
99
100
101
102
103 ret = stmmac_pci_find_phy_addr(info);
104 if (ret < 0)
105 return ret;
106
107 plat->bus_id = PCI_DEVID(pdev->bus->number, pdev->devfn);
108 plat->phy_addr = ret;
109 plat->interface = PHY_INTERFACE_MODE_RMII;
110 plat->clk_csr = 2;
111 plat->has_gmac = 1;
112 plat->force_sf_dma_mode = 1;
113
114 plat->mdio_bus_data->phy_reset = NULL;
115 plat->mdio_bus_data->phy_mask = 0;
116
117 plat->dma_cfg->pbl = 16;
118 plat->dma_cfg->fixed_burst = 1;
119
120
121
122 plat->multicast_filter_bins = HASH_TABLE_SIZE;
123
124
125 plat->unicast_filter_entries = 1;
126
127 return 0;
128}
129
130static struct stmmac_pci_dmi_data quark_pci_dmi_data[] = {
131 {
132 .name = "Galileo",
133 .func = 6,
134 .phy_addr = 1,
135 },
136 {
137 .name = "GalileoGen2",
138 .func = 6,
139 .phy_addr = 1,
140 },
141 {}
142};
143
144static struct stmmac_pci_info quark_pci_info = {
145 .setup = quark_default_data,
146 .dmi = quark_pci_dmi_data,
147};
148
149
150
151
152
153
154
155
156
157
158
159
160
161static int stmmac_pci_probe(struct pci_dev *pdev,
162 const struct pci_device_id *id)
163{
164 struct stmmac_pci_info *info = (struct stmmac_pci_info *)id->driver_data;
165 struct plat_stmmacenet_data *plat;
166 struct stmmac_resources res;
167 int i;
168 int ret;
169
170 plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
171 if (!plat)
172 return -ENOMEM;
173
174 plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
175 sizeof(*plat->mdio_bus_data),
176 GFP_KERNEL);
177 if (!plat->mdio_bus_data)
178 return -ENOMEM;
179
180 plat->dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*plat->dma_cfg),
181 GFP_KERNEL);
182 if (!plat->dma_cfg)
183 return -ENOMEM;
184
185
186 ret = pcim_enable_device(pdev);
187 if (ret) {
188 dev_err(&pdev->dev, "%s: ERROR: failed to enable device\n",
189 __func__);
190 return ret;
191 }
192
193
194 for (i = 0; i <= PCI_STD_RESOURCE_END; i++) {
195 if (pci_resource_len(pdev, i) == 0)
196 continue;
197 ret = pcim_iomap_regions(pdev, BIT(i), pci_name(pdev));
198 if (ret)
199 return ret;
200 break;
201 }
202
203 pci_set_master(pdev);
204
205 if (info) {
206 info->pdev = pdev;
207 if (info->setup) {
208 ret = info->setup(plat, info);
209 if (ret)
210 return ret;
211 }
212 } else
213 stmmac_default_data(plat);
214
215 pci_enable_msi(pdev);
216
217 memset(&res, 0, sizeof(res));
218 res.addr = pcim_iomap_table(pdev)[i];
219 res.wol_irq = pdev->irq;
220 res.irq = pdev->irq;
221
222 return stmmac_dvr_probe(&pdev->dev, plat, &res);
223}
224
225
226
227
228
229
230
231
232static void stmmac_pci_remove(struct pci_dev *pdev)
233{
234 struct net_device *ndev = pci_get_drvdata(pdev);
235
236 stmmac_dvr_remove(ndev);
237}
238
239#ifdef CONFIG_PM_SLEEP
240static int stmmac_pci_suspend(struct device *dev)
241{
242 struct pci_dev *pdev = to_pci_dev(dev);
243 struct net_device *ndev = pci_get_drvdata(pdev);
244
245 return stmmac_suspend(ndev);
246}
247
248static int stmmac_pci_resume(struct device *dev)
249{
250 struct pci_dev *pdev = to_pci_dev(dev);
251 struct net_device *ndev = pci_get_drvdata(pdev);
252
253 return stmmac_resume(ndev);
254}
255#endif
256
257static SIMPLE_DEV_PM_OPS(stmmac_pm_ops, stmmac_pci_suspend, stmmac_pci_resume);
258
259#define STMMAC_VENDOR_ID 0x700
260#define STMMAC_QUARK_ID 0x0937
261#define STMMAC_DEVICE_ID 0x1108
262
263static const struct pci_device_id stmmac_id_table[] = {
264 {PCI_DEVICE(STMMAC_VENDOR_ID, STMMAC_DEVICE_ID)},
265 {PCI_DEVICE(PCI_VENDOR_ID_STMICRO, PCI_DEVICE_ID_STMICRO_MAC)},
266 {PCI_VDEVICE(INTEL, STMMAC_QUARK_ID), (kernel_ulong_t)&quark_pci_info},
267 {}
268};
269
270MODULE_DEVICE_TABLE(pci, stmmac_id_table);
271
272static struct pci_driver stmmac_pci_driver = {
273 .name = STMMAC_RESOURCE_NAME,
274 .id_table = stmmac_id_table,
275 .probe = stmmac_pci_probe,
276 .remove = stmmac_pci_remove,
277 .driver = {
278 .pm = &stmmac_pm_ops,
279 },
280};
281
282module_pci_driver(stmmac_pci_driver);
283
284MODULE_DESCRIPTION("STMMAC 10/100/1000 Ethernet PCI driver");
285MODULE_AUTHOR("Rayagond Kokatanur <rayagond.kokatanur@vayavyalabs.com>");
286MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>");
287MODULE_LICENSE("GPL");
288