PCI_EXP_DEVCTL_NOSNOOP_EN
if (pcie_dev_ctrl & PCI_EXP_DEVCTL_NOSNOOP_EN ||
pcie_dev_ctrl &= ~(PCI_EXP_DEVCTL_NOSNOOP_EN |
PCI_EXP_DEVCTL_NOSNOOP_EN, 0);
val16 = PCI_EXP_DEVCTL_RELAX_EN | PCI_EXP_DEVCTL_NOSNOOP_EN;
PCI_EXP_DEVCTL_NOSNOOP_EN,
reg &= ~PCI_EXP_DEVCTL_NOSNOOP_EN;
PCI_EXP_DEVCTL_NOSNOOP_EN);
PCI_EXP_DEVCTL_RELAX_EN | PCI_EXP_DEVCTL_NOSNOOP_EN, 0);