IGCSR             142 arch/alpha/include/asm/core_irongate.h #define IRONGATE0		((Irongate0 *) IGCSR(0, 0, 0))
IGCSR             143 arch/alpha/include/asm/core_irongate.h #define IRONGATE1		((Irongate1 *) IGCSR(1, 0, 0))