BIT_21
#define GPC_HWCFG_M_1 BIT_21 /* HWCFG_MODE[1] */
#define PCI_REL_PCIE_RESET_ASS BIT_21 /* PCIe Reset Asserted */
#define PCI_CF1_REL_PCIE_RESET BIT_21 /* PCI-E reset */
