1 files changed, 78 insertions, 0 deletions

diff --git a/include/asm-x86/ide.h b/include/asm-x86/ide.h
new file mode 100644
index 000000000000..e7817a3d6578
--- /dev/null
+++ b/include/asm-x86/ide.h
@@ -0,0 +1,78 @@
+/*
+ *  linux/include/asm-i386/ide.h
+ *
+ *  Copyright (C) 1994-1996  Linus Torvalds & authors
+ */
+
+/*
+ *  This file contains the i386 architecture specific IDE code.
+ */
+
+#ifndef __ASMi386_IDE_H
+#define __ASMi386_IDE_H
+
+#ifdef __KERNEL__
+
+
+#ifndef MAX_HWIFS
+# ifdef CONFIG_BLK_DEV_IDEPCI
+#define MAX_HWIFS       10
+# else
+#define MAX_HWIFS       6
+# endif
+#endif
+
+#define IDE_ARCH_OBSOLETE_DEFAULTS
+
+static __inline__ int ide_default_irq(unsigned long base)
+{
+        switch (base) {
+                case 0x1f0: return 14;
+                case 0x170: return 15;
+                case 0x1e8: return 11;
+                case 0x168: return 10;
+                case 0x1e0: return 8;
+                case 0x160: return 12;
+                default:
+                        return 0;
+        }
+}
+
+static __inline__ unsigned long ide_default_io_base(int index)
+{
+        /*
+         *      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 (no_pci_devices()) {
+                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
+#define ide_default_io_ctl(base)        ((base) + 0x206) /* obsolete */
+
+#ifdef CONFIG_BLK_DEV_IDEPCI
+#define ide_init_default_irq(base)      (0)
+#else
+#define ide_init_default_irq(base)      ide_default_irq(base)
+#endif
+
+#include <asm-generic/ide_iops.h>
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASMi386_IDE_H */