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/* * Definitions for the "Baboon" custom IC on the PowerBook 190. */ #define BABOON_BASE (0x50F1A000) /* same as IDE controller base */ #ifndef __ASSEMBLY__ struct baboon { char pad1[208]; /* generic IDE registers, not used here */ short mb_control; /* Control register: * bit 5 : slot 2 power control * bit 6 : slot 1 power control */ char pad2[2]; short mb_status; /* (0xD4) media bay status register: * * bit 0: ???? * bit 1: IDE interrupt active? * bit 2: bay status, 0 = full, 1 = empty * bit 3: ???? */ char pad3[2]; /* (0xD6) not used */ short mb_ifr; /* (0xD8) media bay interrupt flags register: * * bit 0: ???? * bit 1: IDE controller interrupt * bit 2: media bay status change interrupt */ }; extern volatile struct baboon *baboon; #endif /* __ASSEMBLY **/ |