1 /* SPDX-License-Identifier: GPL-2.0-only */
2
3 #include <console/console.h>
4 #include <device/device.h>
5 #include <device/pci.h>
6 #include <device/pci_ids.h>
7 #include <device/pci_ops.h>
8 #include <device/pci_ehci.h>
9 #include <soc/acpi.h>
10 #include <soc/pci_devs.h>
11 #include <soc/southbridge.h>
12 #include <amdblocks/acpimmio.h>
13
set_usb_over_current(struct device * dev)14 static void set_usb_over_current(struct device *dev)
15 {
16 uint16_t map = USB_OC_DISABLE_ALL;
17
18 if (dev->path.pci.devfn == XHCI_DEVFN) {
19 if (mainboard_get_xhci_oc_map(&map) == 0) {
20 xhci_pm_write32(XHCI_PM_INDIRECT_INDEX,
21 XHCI_OVER_CURRENT_CONTROL);
22 xhci_pm_write16(XHCI_PM_INDIRECT_DATA, map);
23 }
24 }
25
26 if (dev->path.pci.devfn == EHCI1_DEVFN) {
27 if (mainboard_get_ehci_oc_map(&map) == 0)
28 pci_write_config16(dev, EHCI_OVER_CURRENT_CONTROL, map);
29 }
30 }
31
mainboard_get_xhci_oc_map(uint16_t * map)32 int __weak mainboard_get_xhci_oc_map(uint16_t *map)
33 {
34 printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
35 return -1;
36 }
37
mainboard_get_ehci_oc_map(uint16_t * map)38 int __weak mainboard_get_ehci_oc_map(uint16_t *map)
39 {
40 printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
41 return -1;
42 }
43
44 struct device_operations stoneyridge_usb_ops = {
45 .read_resources = pci_ehci_read_resources,
46 .set_resources = pci_dev_set_resources,
47 .enable_resources = pci_dev_enable_resources,
48 .init = set_usb_over_current,
49 .scan_bus = scan_static_bus,
50 .acpi_name = soc_acpi_name,
51 .ops_pci = &pci_dev_ops_pci,
52 };
53