diff options
Diffstat (limited to 'src/soc/amd/common/block/acpimmio/mmio_util.c')
| -rw-r--r-- | src/soc/amd/common/block/acpimmio/mmio_util.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/acpimmio/mmio_util.c b/src/soc/amd/common/block/acpimmio/mmio_util.c index a19a28bd0e..3a86aafbb5 100644 --- a/src/soc/amd/common/block/acpimmio/mmio_util.c +++ b/src/soc/amd/common/block/acpimmio/mmio_util.c @@ -79,6 +79,14 @@ void fch_enable_ioapic_decode(void) pm_write32(PM_DECODE_EN, pm_read32(PM_DECODE_EN) | FCH_IOAPIC_EN); } +void fch_configure_hpet(void) +{ + uint32_t reg = pm_read32(PM_DECODE_EN); + reg |= HPET_EN | HPET_MSI_EN; + reg &= ~HPET_WIDTH_SEL; /* 32 bit HPET */ + pm_write32(PM_DECODE_EN, reg); +} + /* PM registers are accessed a byte at a time via CD6/CD7 */ uint8_t pm_io_read8(uint8_t reg) { |