#include #include #include #include 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("Watchdog ICH5 disabled\r\n"); }