#ifdef __KERNEL__
-#include <linux/config.h>
#ifndef MAX_HWIFS
# ifdef CONFIG_BLK_DEV_IDEPCI
static __inline__ unsigned long ide_default_io_base(int index)
{
+ struct pci_dev *pdev;
+ /*
+ * 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 ((pdev = pci_get_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;
+ }
+ }
+ pci_dev_put(pdev);
switch (index) {
case 0: return 0x1f0;
case 1: return 0x170;
- case 2: return 0x1e8;
- case 3: return 0x168;
- case 4: return 0x1e0;
- case 5: return 0x160;
default:
return 0;
}