1 #include <device/pnp_def.h>
3 #define NSC_WD_DEV PNP_DEV(0x2e, 0xa)
4 #define NSC_WDBASE 0x600
5 #define ICH5_WDBASE 0x400
6 #define ICH5_GPIOBASE 0x500
8 static void disable_sio_watchdog(device_t dev)
11 /* FIXME move me somewhere more appropriate */
12 pnp_set_logical_device(dev);
13 pnp_set_enable(dev, 1);
14 pnp_set_iobase(dev, PNP_IDX_IO0, NSC_WDBASE);
15 /* disable the sio watchdog */
16 outb(0, NSC_WDBASE + 0);
17 pnp_set_enable(dev, 0);
21 static void disable_ich5_watchdog(void)
23 /* FIXME move me somewhere more appropriate */
25 unsigned long value, base;
26 dev = pci_locate_device(PCI_ID(0x8086, 0x24d0), 0);
27 if (dev == PCI_DEV_INVALID) {
30 /* Enable I/O space */
31 value = pci_read_config16(dev, 0x04);
33 pci_write_config16(dev, 0x04, value);
35 /* Set and enable acpibase */
36 pci_write_config32(dev, 0x40, ICH5_WDBASE | 1);
37 pci_write_config8(dev, 0x44, 0x10);
38 base = ICH5_WDBASE + 0x60;
40 /* Set bit 11 in TCO1_CNT */
41 value = inw(base + 0x08);
43 outw(value, base + 0x08);
45 /* Clear TCO timeout status */
46 outw(0x0008, base + 0x04);
47 outw(0x0002, base + 0x06);
51 static void disable_watchdogs(void)
53 // disable_sio_watchdog(NSC_WD_DEV);
54 disable_ich5_watchdog();
55 print_debug("Watchdogs disabled\r\n");