diff options
Diffstat (limited to 'include/asm-m68k/atarihdreg.h')
| -rw-r--r-- | include/asm-m68k/atarihdreg.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/asm-m68k/atarihdreg.h b/include/asm-m68k/atarihdreg.h new file mode 100644 index 000000000..bf0846001 --- /dev/null +++ b/include/asm-m68k/atarihdreg.h @@ -0,0 +1,24 @@ +#ifndef _LINUX_ATAHDREG_H +#define _LINUX_ATAHDREG_H + +/* + * This file contains some defines for the Falcon IDE hd controller. + * Various sources. Check out some definitions (see comments with + * a ques). + */ + +#define ATA_HD_BASE 0xfff00000 + +#define ATA_HD_DATA 0x00 /* _CTL when writing */ +#define ATA_HD_ERROR 0x05 /* see err-bits */ +#define ATA_HD_NSECTOR 0x09 /* nr of sectors to read/write */ +#define ATA_HD_SECTOR 0x0d /* starting sector */ +#define ATA_HD_LCYL 0x11 /* starting cylinder */ +#define ATA_HD_HCYL 0x15 /* high byte of starting cyl */ +#define ATA_HD_CURRENT 0x19 /* 101dhhhh , d=drive, hhhh=head */ +#define ATA_HD_STATUS 0x1d /* see status-bits */ + +#define ATA_HD_CMD 0x39 +#define ATA_HD_ALTSTATUS 0x39 /* same as HD_STATUS but doesn't clear irq */ + +#endif /* _LINUX_ATAHDREG_H */ |