diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-09 10:03:44 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-09 10:03:44 -0800 |
| commit | 6150c32589d1976ca8a5c987df951088c05a7542 (patch) | |
| tree | 94073696576323ff966e365d8c47b8ecd8372f97 /arch/ppc/syslib/m8xx_setup.c | |
| parent | 44637a12f80b80157d9c1bc5b7d6ef09c9e05713 (diff) | |
| parent | be42d5fa3772241b8ecebd443f1fb36247959c54 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge
Diffstat (limited to 'arch/ppc/syslib/m8xx_setup.c')
| -rw-r--r-- | arch/ppc/syslib/m8xx_setup.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/ppc/syslib/m8xx_setup.c b/arch/ppc/syslib/m8xx_setup.c index 1cc3abe6fa43..688616de3cde 100644 --- a/arch/ppc/syslib/m8xx_setup.c +++ b/arch/ppc/syslib/m8xx_setup.c @@ -135,6 +135,16 @@ static struct irqaction tbint_irqaction = { .name = "tbint", }; +/* per-board overridable init_internal_rtc() function. */ +void __init __attribute__ ((weak)) +init_internal_rtc(void) +{ + /* Disable the RTC one second and alarm interrupts. */ + out_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc, in_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc) & ~(RTCSC_SIE | RTCSC_ALE)); + /* Enable the RTC */ + out_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc, in_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc) | (RTCSC_RTF | RTCSC_RTE)); +} + /* The decrementer counts at the system (internal) clock frequency divided by * sixteen, or external oscillator divided by four. We force the processor * to use system clock divided by sixteen. @@ -183,10 +193,7 @@ void __init m8xx_calibrate_decr(void) out_be32(&((immap_t *)IMAP_ADDR)->im_sitk.sitk_rtcsck, KAPWR_KEY); out_be32(&((immap_t *)IMAP_ADDR)->im_sitk.sitk_tbk, KAPWR_KEY); - /* Disable the RTC one second and alarm interrupts. */ - out_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc, in_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc) & ~(RTCSC_SIE | RTCSC_ALE)); - /* Enable the RTC */ - out_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc, in_be16(&((immap_t *)IMAP_ADDR)->im_sit.sit_rtcsc) | (RTCSC_RTF | RTCSC_RTE)); + init_internal_rtc(); /* Enabling the decrementer also enables the timebase interrupts * (or from the other point of view, to get decrementer interrupts |