SYSIO_IMAP_SLOT3  568 arch/sparc/kernel/prom_irqtrans.c #define SYSIO_IMAP_SLOT3	0x2c18UL
SYSIO_IMAP_SLOT3  132 arch/sparc/kernel/sbus.c #define SYSIO_IMAP_SLOT3	0x2c18UL