enable hpet timer hardware.

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1368 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2004-02-05 10:00:35 +00:00
parent b8a7578a12
commit bd8e17a8f1
1 changed files with 11 additions and 0 deletions

View File

@ -86,6 +86,16 @@ static void setup_ioapic(void)
}
}
static void enable_hpet(struct device *dev)
{
unsigned long hpet_address;
pci_write_config32(dev,0xa0, 0xfed00001);
hpet_address=pci_read_config32(dev,0xa0)& 0xfffffffe;
printk_debug("enabling HPET @0x%x\n", hpet_address);
}
static void lpc_init(struct device *dev)
{
uint8_t byte;
@ -117,6 +127,7 @@ static void lpc_init(struct device *dev)
byte |= (1 << 5);
pci_write_config8(dev, 0x41, byte);
enable_hpet(dev);
}
static void amd8111_lpc_read_resources(device_t dev)