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/* 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);
if (CONFIG(DRIVERS_GENESYSLOGIC_GL9750_INVERT_WP))
/* invert write protect polarity */
pci_or_config32(dev, CFG1, CFG1_WP_INVERT);
/* 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_DID_GLI_9750,
0
};
static const struct pci_driver genesyslogic_gl9750 __pci_driver = {
.ops = &gl9750_ops,
.vendor = PCI_VID_GLI,
.devices = pci_device_ids,
};
struct chip_operations drivers_generic_genesyslogic_gl9750_ops = {
CHIP_NAME("Genesys Logic GL9750")
};
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