diff options
Diffstat (limited to 'qemu/roms/openbios/drivers/timer.h')
| -rw-r--r-- | qemu/roms/openbios/drivers/timer.h | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/qemu/roms/openbios/drivers/timer.h b/qemu/roms/openbios/drivers/timer.h deleted file mode 100644 index 7e86db3fa..000000000 --- a/qemu/roms/openbios/drivers/timer.h +++ /dev/null @@ -1,62 +0,0 @@ -/* Taken from Etherboot */ -/* Defines for routines to implement a low-overhead timer for drivers */ - - /* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2, or (at - * your option) any later version. - */ - -#ifndef TIMER_H -#define TIMER_H - -/* Ports for the 8254 timer chip */ -#define TIMER2_PORT 0x42 -#define TIMER_MODE_PORT 0x43 - -/* Meaning of the mode bits */ -#define TIMER0_SEL 0x00 -#define TIMER1_SEL 0x40 -#define TIMER2_SEL 0x80 -#define READBACK_SEL 0xC0 - -#define LATCH_COUNT 0x00 -#define LOBYTE_ACCESS 0x10 -#define HIBYTE_ACCESS 0x20 -#define WORD_ACCESS 0x30 - -#define MODE0 0x00 -#define MODE1 0x02 -#define MODE2 0x04 -#define MODE3 0x06 -#define MODE4 0x08 -#define MODE5 0x0A - -#define BINARY_COUNT 0x00 -#define BCD_COUNT 0x01 - -/* Timers tick over at this rate */ -#define CLOCK_TICK_RATE 1193180U -#define TICKS_PER_MS (CLOCK_TICK_RATE/1000) - -/* Parallel Peripheral Controller Port B */ -#define PPC_PORTB 0x61 - -/* Meaning of the port bits */ -#define PPCB_T2OUT 0x20 /* Bit 5 */ -#define PPCB_SPKR 0x02 /* Bit 1 */ -#define PPCB_T2GATE 0x01 /* Bit 0 */ - -extern void ndelay(unsigned int nsecs); -extern void udelay(unsigned int usecs); -extern void mdelay(unsigned int msecs); -extern unsigned long currticks(void); -extern unsigned long get_timer_freq(void); - -/* arch/ppc/timebase.S */ -void _wait_ticks(unsigned long nticks); - -#define TICKS_PER_SEC 1000 - -#endif /* TIMER_H */ |