xref: /aosp_15_r20/external/coreboot/src/drivers/asmedia/aspm_blacklist.c (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
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 
disable_aspm(struct device * const dev)7 static void disable_aspm(struct device *const dev)
8 {
9 	printk(BIOS_INFO, "Disabling ASPM for %s [%04x/%04x]\n",
10 	       dev_path(dev), dev->vendor, dev->device);
11 	dev->disable_pcie_aspm = 1;
12 }
13 
14 static struct device_operations asmedia_noaspm_ops = {
15 	.read_resources		= pci_dev_read_resources,
16 	.set_resources		= pci_dev_set_resources,
17 	.enable_resources	= pci_dev_enable_resources,
18 	.enable			= disable_aspm,
19 };
20 
21 static const unsigned short pci_device_ids[] = {
22 	0x0611, /* ASM1061 SATA IDE Controller */
23 	0
24 };
25 
26 static const struct pci_driver asmedia_noaspm __pci_driver = {
27 	.ops	 = &asmedia_noaspm_ops,
28 	.vendor	 = 0x1b21,
29 	.devices = pci_device_ids,
30 };
31