static __inline__ unsigned long ide_default_io_base(int index)
{
- if(pci_find_device(PCI_ANY_ID, PCI_ANY_ID, NULL) == NULL) {
+ /*
+ * If PCI is present then it is not safe to poke around
+ * the other legacy IDE ports. Only 0x1f0 and 0x170 are
+ * defined compatibility mode ports for PCI. A user can
+ * override this using ide= but we must default safe.
+ */
+ if (pci_find_device(PCI_ANY_ID, PCI_ANY_ID, NULL) == NULL) {
switch(index) {
case 2: return 0x1e8;
case 3: return 0x168;
case 4: return 0x1e0;
case 5: return 0x160;
- }
+ }
}
switch (index) {
case 0: return 0x1f0;
case 1: return 0x170;
default:
return 0;
- }
+ }
}
#define IDE_ARCH_OBSOLETE_INIT