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Diffstat (limited to 'src/southbridge/intel/lynxpoint/pmutil.c')
| -rw-r--r-- | src/southbridge/intel/lynxpoint/pmutil.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/southbridge/intel/lynxpoint/pmutil.c b/src/southbridge/intel/lynxpoint/pmutil.c index b14c1f7c91..642d5befd0 100644 --- a/src/southbridge/intel/lynxpoint/pmutil.c +++ b/src/southbridge/intel/lynxpoint/pmutil.c @@ -553,3 +553,13 @@ void disable_gpe(u32 mask) gpe0_en &= ~mask; outl(gpe0_en, get_pmbase() + gpe0_reg); } + +int rtc_failure(void) +{ +#if defined(__SIMPLE_DEVICE__) + device_t dev = PCI_DEV(0, 31, 0); +#else + device_t dev = dev_find_slot(0, PCI_DEVFN(31, 0)); +#endif + return !!(pci_read_config8(dev, GEN_PMCON_3) & RTC_BATTERY_DEAD); +} |