1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2
3 #include <device/device.h>
4 #include <device/pci.h>
5 #include <device/pci_ids.h>
6 #include <device/pci_ops.h>
7 #include <device/cardbus.h>
8 #include <console/console.h>
9 #include "chip.h"
10
ti_pci1x2y_init(struct device * dev)11 static void ti_pci1x2y_init(struct device *dev)
12 {
13 printk(BIOS_INFO, "Init of Texas Instruments PCI1x2x PCMCIA/CardBus controller\n");
14 struct southbridge_ti_pci1x2x_config *conf = dev->chip_info;
15
16 if (conf) {
17 /* System control (offset 0x80) */
18 pci_write_config32(dev, 0x80, conf->scr);
19 /* Multifunction routing */
20 pci_write_config32(dev, 0x8C, conf->mrr);
21 }
22 /* Set the device control register (0x92) accordingly. */
23 pci_write_config8(dev, 0x92, pci_read_config8(dev, 0x92) | 0x02);
24 }
25
ti_pci1x2y_set_subsystem(struct device * dev,unsigned int vendor,unsigned int device)26 static void ti_pci1x2y_set_subsystem(struct device *dev, unsigned int vendor,
27 unsigned int device)
28 {
29 /*
30 * Enable change sub-vendor ID. Clear the bit 5 to enable to write
31 * to the sub-vendor/device ids at 40 and 42.
32 */
33 pci_write_config32(dev, 0x80, pci_read_config32(dev, 0x080) & ~0x10);
34 pci_dev_set_subsystem(dev, vendor, device);
35 pci_write_config32(dev, 0x80, pci_read_config32(dev, 0x80) | 0x10);
36 }
37
38 static struct pci_operations ti_pci1x2y_pci_ops = {
39 .set_subsystem = ti_pci1x2y_set_subsystem,
40 };
41
42 struct device_operations southbridge_ti_pci1x2x_pciops = {
43 .read_resources = cardbus_read_resources,
44 .set_resources = pci_dev_set_resources,
45 .enable_resources = cardbus_enable_resources,
46 .init = ti_pci1x2y_init,
47 .ops_pci = &ti_pci1x2y_pci_ops,
48 };
49
50 static const struct pci_driver ti_pci1225_driver __pci_driver = {
51 .ops = &southbridge_ti_pci1x2x_pciops,
52 .vendor = PCI_VID_TI,
53 .device = PCI_DID_TI_1225,
54 };
55
56 static const struct pci_driver ti_pci1420_driver __pci_driver = {
57 .ops = &southbridge_ti_pci1x2x_pciops,
58 .vendor = PCI_VID_TI,
59 .device = PCI_DID_TI_1420,
60 };
61
62 static const struct pci_driver ti_pci1510_driver __pci_driver = {
63 .ops = &southbridge_ti_pci1x2x_pciops,
64 .vendor = PCI_VID_TI,
65 .device = PCI_DID_TI_1510,
66 };
67
68 static const struct pci_driver ti_pci1520_driver __pci_driver = {
69 .ops = &southbridge_ti_pci1x2x_pciops,
70 .vendor = PCI_VID_TI,
71 .device = PCI_DID_TI_1520,
72 };
73
74 struct chip_operations southbridge_ti_pci1x2x_ops = {
75 .name = "TI PCI1x2x Cardbus controller",
76 };
77