GICD_PIDR2
case GICD_PIDR2:
u32 reg = readl_relaxed(dist_base + GICD_PIDR2) & GIC_PIDR2_ARCH_MASK;
u32 reg = readl_relaxed(acpi_data.dist_base + GICD_PIDR2) & GIC_PIDR2_ARCH_MASK;
#define GICR_PIDR2 GICD_PIDR2
#define GICR_PIDR2 GICD_PIDR2