SYSIO_IMAP_GFX    586 arch/sparc/kernel/prom_irqtrans.c #define SYSIO_IMAP_GFX		0x3090UL
SYSIO_IMAP_GFX    150 arch/sparc/kernel/sbus.c #define SYSIO_IMAP_GFX		0x3090UL