mirror of
https://github.com/torvalds/linux.git
synced 2024-12-29 14:21:47 +00:00
35 lines
852 B
C
35 lines
852 B
C
|
/*
|
||
|
|
* 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 **/
|