diff options
Diffstat (limited to 'src/drivers/pc80/i8254.c')
| -rw-r--r-- | src/drivers/pc80/i8254.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/drivers/pc80/i8254.c b/src/drivers/pc80/i8254.c index 27a7b2bd0d..70f71d9b9e 100644 --- a/src/drivers/pc80/i8254.c +++ b/src/drivers/pc80/i8254.c @@ -26,30 +26,30 @@ void setup_i8254(void) { /* Timer 0 (taken from biosemu) */ - outb(TIMER0_SEL|WORD_ACCESS|MODE3|BINARY_COUNT, TIMER_MODE_PORT); + outb(TIMER0_SEL | WORD_ACCESS | MODE3 | BINARY_COUNT, TIMER_MODE_PORT); outb(0x00, TIMER0_PORT); outb(0x00, TIMER0_PORT); /* Timer 1 */ - outb(TIMER1_SEL|LOBYTE_ACCESS|MODE3|BINARY_COUNT, TIMER_MODE_PORT); + outb(TIMER1_SEL | LOBYTE_ACCESS | MODE3 | BINARY_COUNT, + TIMER_MODE_PORT); outb(0x12, TIMER1_PORT); } #if CONFIG_UDELAY_TIMER2 static void load_timer2(unsigned int ticks) { - /* Set up the timer gate, turn off the speaker */ - outb((inb(PPC_PORTB) & ~PPCB_SPKR) | PPCB_T2GATE, PPC_PORTB); - outb(TIMER2_SEL|WORD_ACCESS|MODE0|BINARY_COUNT, TIMER_MODE_PORT); - outb(ticks & 0xFF, TIMER2_PORT); - outb(ticks >> 8, TIMER2_PORT); + /* Set up the timer gate, turn off the speaker */ + outb((inb(PPC_PORTB) & ~PPCB_SPKR) | PPCB_T2GATE, PPC_PORTB); + outb(TIMER2_SEL | WORD_ACCESS | MODE0 | BINARY_COUNT, TIMER_MODE_PORT); + outb(ticks & 0xFF, TIMER2_PORT); + outb(ticks >> 8, TIMER2_PORT); } - void udelay(int usecs) { - load_timer2((usecs*TICKS_PER_MS)/1000); - while ((inb(PPC_PORTB) & PPCB_T2OUT) == 0) - ; + load_timer2((usecs * TICKS_PER_MS) / 1000); + while ((inb(PPC_PORTB) & PPCB_T2OUT) == 0) + ; } #endif |