diff options
Diffstat (limited to 'src/southbridge/intel/i82801xx/i82801xx_watchdog.c')
| -rw-r--r-- | src/southbridge/intel/i82801xx/i82801xx_watchdog.c | 47 |
1 files changed, 25 insertions, 22 deletions
diff --git a/src/southbridge/intel/i82801xx/i82801xx_watchdog.c b/src/southbridge/intel/i82801xx/i82801xx_watchdog.c index e2a95156eb..58fed673c6 100644 --- a/src/southbridge/intel/i82801xx/i82801xx_watchdog.c +++ b/src/southbridge/intel/i82801xx/i82801xx_watchdog.c @@ -17,35 +17,38 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ + #include <console/console.h> #include <arch/io.h> #include <device/device.h> #include <device/pci.h> -/* TODO: I'm fairly sure the same functionality is provided elsewhere */ +/* TODO: I'm fairly sure the same functionality is provided elsewhere. */ void watchdog_off(void) { - device_t dev; - unsigned long value,base; - - /* turn off the ICH5 watchdog */ - dev = dev_find_slot(0, PCI_DEVFN(0x1f,0)); - - /* Enable I/O space */ - value = pci_read_config16(dev, 0x04); - value |= (1 << 10); - pci_write_config16(dev, 0x04, value); - /* Get TCO base */ - base = (pci_read_config32(dev, 0x40) & 0x0fffe) + 0x60; - /* Disable the watchdog timer */ - value = inw(base + 0x08); - value |= 1 << 11; - outw(value, base + 0x08); - /* Clear TCO timeout status */ - outw(0x0008, base + 0x04); - outw(0x0002, base + 0x06); - printk_debug("ICH Watchdog disabled\r\n"); -} + device_t dev; + unsigned long value, base; + + /* Turn off the ICH5 watchdog. */ + dev = dev_find_slot(0, PCI_DEVFN(0x1f, 0)); + + /* Enable I/O space. */ + value = pci_read_config16(dev, 0x04); + value |= (1 << 10); + pci_write_config16(dev, 0x04, value); + /* Get TCO base. */ + base = (pci_read_config32(dev, 0x40) & 0x0fffe) + 0x60; + /* Disable the watchdog timer. */ + value = inw(base + 0x08); + value |= 1 << 11; + outw(value, base + 0x08); + + /* Clear TCO timeout status. */ + outw(0x0008, base + 0x04); + outw(0x0002, base + 0x06); + + printk_debug("ICH Watchdog disabled\r\n"); +} |