| #include <console/console.h> |
| #include <watchdog.h> |
| #include <arch/io.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| |
| 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(BIOS_DEBUG, "Watchdog ICH5 disabled\n"); |
| } |