diff options
Diffstat (limited to 'drivers/net/skfp/hwt.c')
| -rw-r--r-- | drivers/net/skfp/hwt.c | 42 |
1 files changed, 3 insertions, 39 deletions
diff --git a/drivers/net/skfp/hwt.c b/drivers/net/skfp/hwt.c index e01f8a0..0531514 100644 --- a/drivers/net/skfp/hwt.c +++ b/drivers/net/skfp/hwt.c @@ -77,25 +77,10 @@ void hwt_start(struct s_smc *smc, u_long time) */ if (!cnt) cnt++ ; -#ifndef PCI - /* - * 6.25MHz -> CLK0 : T0 (cnt0 = 16us) -> OUT0 - * OUT0 -> CLK1 : T1 (cnt1) OUT1 -> ISRA(IS_TIMINT) - */ - OUT_82c54_TIMER(3,1<<6 | 3<<4 | 0<<1) ; /* counter 1, mode 0 */ - OUT_82c54_TIMER(1,cnt & 0xff) ; /* LSB */ - OUT_82c54_TIMER(1,(cnt>>8) & 0xff) ; /* MSB */ - /* - * start timer by switching counter 0 to mode 3 - * T0 resolution 16 us (CLK0=0.16us) - */ - OUT_82c54_TIMER(3,0<<6 | 3<<4 | 3<<1) ; /* counter 0, mode 3 */ - OUT_82c54_TIMER(0,100) ; /* LSB */ - OUT_82c54_TIMER(0,0) ; /* MSB */ -#else /* PCI */ + outpd(ADDR(B2_TI_INI), (u_long) cnt * 200) ; /* Load timer value. */ outpw(ADDR(B2_TI_CRTL), TIM_START) ; /* Start timer. */ -#endif /* PCI */ + smc->hw.timer_activ = TRUE ; } @@ -115,15 +100,8 @@ void hwt_start(struct s_smc *smc, u_long time) ************************/ void hwt_stop(struct s_smc *smc) { -#ifndef PCI - /* stop counter 0 by switching to mode 0 */ - OUT_82c54_TIMER(3,0<<6 | 3<<4 | 0<<1) ; /* counter 0, mode 0 */ - OUT_82c54_TIMER(0,0) ; /* LSB */ - OUT_82c54_TIMER(0,0) ; /* MSB */ -#else /* PCI */ outpw(ADDR(B2_TI_CRTL), TIM_STOP) ; outpw(ADDR(B2_TI_CRTL), TIM_CL_IRQ) ; -#endif /* PCI */ smc->hw.timer_activ = FALSE ; } @@ -168,11 +146,6 @@ void hwt_init(struct s_smc *smc) void hwt_restart(struct s_smc *smc) { hwt_stop(smc) ; -#ifndef PCI - OUT_82c54_TIMER(3,1<<6 | 3<<4 | 0<<1) ; /* counter 1, mode 0 */ - OUT_82c54_TIMER(1,1 ) ; /* LSB */ - OUT_82c54_TIMER(1,0 ) ; /* MSB */ -#endif } /************************ @@ -191,21 +164,12 @@ void hwt_restart(struct s_smc *smc) u_long hwt_read(struct s_smc *smc) { u_short tr ; -#ifndef PCI - u_short is ; -#else u_long is ; -#endif if (smc->hw.timer_activ) { hwt_stop(smc) ; -#ifndef PCI - OUT_82c54_TIMER(3,1<<6) ; /* latch command */ - tr = IN_82c54_TIMER(1) & 0xff ; - tr += (IN_82c54_TIMER(1) & 0xff)<<8 ; -#else /* PCI */ tr = (u_short)((inpd(ADDR(B2_TI_VAL))/200) & 0xffff) ; -#endif /* PCI */ + is = GET_ISR() ; /* Check if timer expired (or wraparound). */ if ((tr > smc->hw.t_start) || (is & IS_TIMINT)) { |