BIT_20
#define GPC_HWCFG_M_0 BIT_20 /* HWCFG_MODE[0] */
#define PCI_REL_PME_ASSERTED BIT_20 /* PME Asserted */
#define PCI_CF1_GAT_LDR_NOT_FIN BIT_20 /* EEPROM Loader Finished */
#define PEX_UNSUP_REQ BIT_20 /* Unsupported Request Error */