zTwoBase
#define ZTWO_PADDR(x) (((unsigned long)(x))-zTwoBase)
#define ZTWO_VADDR(x) ((void __iomem *)(((unsigned long)(x))+zTwoBase))
#define amiga_custom ((*(volatile struct CUSTOM *)(zTwoBase+CUSTOM_PHYSADDR)))
#define ciaa ((*(volatile struct CIA *)(zTwoBase + CIAA_PHYSADDR)))
#define ciab ((*(volatile struct CIA *)(zTwoBase + CIAB_PHYSADDR)))
#define tod_3000 ((*(volatile struct tod3000 *)(zTwoBase+0xDC0000)))
#define tod_2000 ((*(volatile struct tod2000 *)(zTwoBase+0xDC0000)))
#define GAYLE_RAM (0x600000+zTwoBase)
#define GAYLE_ATTRIBUTE (0xa00000+zTwoBase)
#define GAYLE_IO (0xa20000+zTwoBase) /* 16bit and even 8bit registers */
#define GAYLE_IO_8BITODD (0xa30000+zTwoBase) /* odd 8bit registers */
#define gayle (*(volatile struct GAYLE *)(zTwoBase+GAYLE_ADDRESS))
#define gayle_reset (*(volatile u_char *)(zTwoBase+GAYLE_RESET))
DEFINE(ZTWOBASE, zTwoBase);