diff options
Diffstat (limited to 'src/soc/intel/broadwell/lpc.c')
| -rw-r--r-- | src/soc/intel/broadwell/lpc.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/lpc.c b/src/soc/intel/broadwell/lpc.c index d1c42423ae..8e7f4de931 100644 --- a/src/soc/intel/broadwell/lpc.c +++ b/src/soc/intel/broadwell/lpc.c @@ -49,6 +49,10 @@ static void pch_enable_ioapic(struct device *dev) { u32 reg32; + /* Assign unique bus/dev/fn for I/O APIC */ + pci_write_config16(dev, LPC_IBDF, + PCH_IOAPIC_PCI_BUS << 8 | PCH_IOAPIC_PCI_SLOT << 3); + set_ioapic_id(VIO_APIC_VADDR, 0x02); /* affirm full set of redirection table entries ("write once") */ @@ -67,6 +71,16 @@ static void pch_enable_ioapic(struct device *dev) io_apic_write(VIO_APIC_VADDR, 0x03, 0x01); } +static void enable_hpet(struct device *dev) +{ + size_t i; + + /* Assign unique bus/dev/fn for each HPET */ + for (i = 0; i < 8; ++i) + pci_write_config16(dev, LPC_HnBDF(i), + PCH_HPET_PCI_BUS << 8 | PCH_HPET_PCI_SLOT << 3 | i); +} + /* PIRQ[n]_ROUT[3:0] - PIRQ Routing Control * 0x00 - 0000 = Reserved * 0x01 - 0001 = Reserved @@ -436,6 +450,7 @@ static void lpc_init(struct device *dev) pch_pirq_init(dev); setup_i8259(); i8259_configure_irq_trigger(9, 1); + enable_hpet(dev); /* Initialize power management */ pch_power_options(dev); |