CM_PCI_PSPEED
#define CM_PCI_PSPEED_33 __SHIFTIN(0, CM_PCI_PSPEED)
#define CM_PCI_PSPEED_66 __SHIFTIN(1, CM_PCI_PSPEED)
if ((cadmus_pci & CM_PCI_PSPEED) == CM_PCI_PSPEED_66) {