| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| /* Driver for Genesys Logic GL9750 */ |
| |
| #include <console/console.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ops.h> |
| #include <device/pci_ids.h> |
| #include "gl9750.h" |
| |
| static void gl9750_enable(struct device *dev) |
| { |
| printk(BIOS_INFO, "GL9750: configure ASPM\n"); |
| |
| /* Set Vendor Config to be configurable */ |
| pci_or_config32(dev, CFG, CFG_EN); |
| |
| /* |
| * When both ASPM L0s and L1 are supported, GL9750 may not enter L1. |
| * So disable L0s support. |
| */ |
| pci_and_config32(dev, CFG2, ~CFG2_L0S_SUPPORT); |
| |
| /* Set Vendor Config to be non-configurable */ |
| pci_and_config32(dev, CFG, ~CFG_EN); |
| } |
| |
| static struct device_operations gl9750_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = pci_dev_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .ops_pci = &pci_dev_ops_pci, |
| .enable = gl9750_enable |
| }; |
| |
| static const unsigned short pci_device_ids[] = { |
| PCI_DEVICE_ID_GLI_9750, |
| 0 |
| }; |
| |
| static const struct pci_driver genesyslogic_gl9750 __pci_driver = { |
| .ops = &gl9750_ops, |
| .vendor = PCI_VENDOR_ID_GLI, |
| .devices = pci_device_ids, |
| }; |
| |
| struct chip_operations drivers_generic_genesyslogic_gl9750_ops = { |
| CHIP_NAME("Genesys Logic GL9750") |
| }; |