diff options
Diffstat (limited to 'arch/m68knommu/platform/5307/pit.c')
| -rw-r--r-- | arch/m68knommu/platform/5307/pit.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/m68knommu/platform/5307/pit.c b/arch/m68knommu/platform/5307/pit.c index a9b2c2e7e280..323f2677e49d 100644 --- a/arch/m68knommu/platform/5307/pit.c +++ b/arch/m68knommu/platform/5307/pit.c @@ -3,7 +3,7 @@ /* * pit.c -- Motorola ColdFire PIT timer. Currently this type of * hardware timer only exists in the Motorola ColdFire - * 5270/5271 and 5282 CPUs. + * 5270/5271, 5282 and other CPUs. * * Copyright (C) 1999-2004, Greg Ungerer (gerg@snapgear.com) * Copyright (C) 2001-2004, SnapGear Inc. (www.snapgear.com) @@ -47,10 +47,10 @@ void coldfire_pit_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)) icrp = (volatile unsigned char *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_ICR0 + MCFINT_PIT1); - *icrp = 0x2b; /* PIT1 with level 5, priority 3 */ + *icrp = ICR_INTRCONF; - imrp = (volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRH); - *imrp &= ~(1 << (MCFINT_PIT1 - 32)); + imrp = (volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFPIT_IMR); + *imrp &= ~MCFPIT_IMR_IBIT; /* Set up PIT timer 1 as poll clock */ tp = (volatile struct mcfpit *) (MCF_IPSBAR + MCFPIT_BASE1); @@ -70,7 +70,7 @@ unsigned long coldfire_pit_offset(void) unsigned long pmr, pcntr, offset; tp = (volatile struct mcfpit *) (MCF_IPSBAR + MCFPIT_BASE1); - ipr = (volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IPRH); + ipr = (volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFPIT_IMR); pmr = *(&tp->pmr); pcntr = *(&tp->pcntr); @@ -80,7 +80,7 @@ unsigned long coldfire_pit_offset(void) * timer interupt is pending, then add on a ticks worth of time. */ offset = ((pmr - pcntr) * (1000000 / HZ)) / pmr; - if ((offset < (1000000 / HZ / 2)) && (*ipr & (1 << (MCFINT_PIT1 - 32)))) + if ((offset < (1000000 / HZ / 2)) && (*ipr & MCFPIT_IMR_IBIT)) offset += 1000000 / HZ; return offset; } |