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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Definitions for the "Baboon" custom IC on the PowerBook 190. | |
3 | */ | |
4 | ||
5 | #define BABOON_BASE (0x50F1A000) /* same as IDE controller base */ | |
6 | ||
7 | #ifndef __ASSEMBLY__ | |
8 | ||
9 | struct baboon { | |
10 | char pad1[208]; /* generic IDE registers, not used here */ | |
11 | short mb_control; /* Control register: | |
12 | * bit 5 : slot 2 power control | |
13 | * bit 6 : slot 1 power control | |
14 | */ | |
15 | char pad2[2]; | |
16 | short mb_status; /* (0xD4) media bay status register: | |
17 | * | |
18 | * bit 0: ???? | |
19 | * bit 1: IDE interrupt active? | |
20 | * bit 2: bay status, 0 = full, 1 = empty | |
21 | * bit 3: ???? | |
22 | */ | |
23 | char pad3[2]; /* (0xD6) not used */ | |
24 | short mb_ifr; /* (0xD8) media bay interrupt flags register: | |
25 | * | |
26 | * bit 0: ???? | |
27 | * bit 1: IDE controller interrupt | |
28 | * bit 2: media bay status change interrupt | |
29 | */ | |
30 | }; | |
31 | ||
32 | extern volatile struct baboon *baboon; | |
33 | ||
34 | #endif /* __ASSEMBLY **/ |