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| author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-18 03:05:42 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-10-23 07:55:20 +0200 |
| commit | bb8985586b7a906e116db835c64773b7a7d51663 (patch) | |
| tree | de93ae58e88cc563d95cc124a73f3930594c6100 /arch/x86/include/asm/i8253.h | |
| parent | x86, um: initial part of asm-um move (diff) | |
| download | linux-bb8985586b7a906e116db835c64773b7a7d51663.tar.xz linux-bb8985586b7a906e116db835c64773b7a7d51663.zip | |
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/i8253.h')
| -rw-r--r-- | arch/x86/include/asm/i8253.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/include/asm/i8253.h b/arch/x86/include/asm/i8253.h new file mode 100644 index 000000000000..15a5b530044e --- /dev/null +++ b/arch/x86/include/asm/i8253.h @@ -0,0 +1,18 @@ +#ifndef ASM_X86__I8253_H +#define ASM_X86__I8253_H + +/* i8253A PIT registers */ +#define PIT_MODE 0x43 +#define PIT_CH0 0x40 +#define PIT_CH2 0x42 + +extern spinlock_t i8253_lock; + +extern struct clock_event_device *global_clock_event; + +extern void setup_pit_timer(void); + +#define inb_pit inb_p +#define outb_pit outb_p + +#endif /* ASM_X86__I8253_H */ |