SUN3X_EEPROM
#define SUN3X_EEPROM_CONS (SUN3X_EEPROM + 0x1f)
#define SUN3X_EEPROM_PORTA (SUN3X_EEPROM + 0x58)
#define SUN3X_EEPROM_PORTB (SUN3X_EEPROM + 0x60)
(struct mostek_dt *)(SUN3X_EEPROM+M_CONTROL);