1 files changed, 119 insertions, 0 deletions

diff --git a/include/asm-mips/mach-generic/ide.h b/include/asm-mips/mach-generic/ide.h
new file mode 100644
index 000000000000..cb2edd018ad6
--- /dev/null
+++ b/include/asm-mips/mach-generic/ide.h
@@ -0,0 +1,119 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994-1996  Linus Torvalds & authors
+ *
+ * Copied from i386; many of the especially older MIPS or ISA-based platforms
+ * are basically identical.  Using this file probably implies i8259 PIC
+ * support in a system but the very least interrupt numbers 0 - 15 need to
+ * be put aside for legacy devices.
+ */
+#ifndef __ASM_MACH_GENERIC_IDE_H
+#define __ASM_MACH_GENERIC_IDE_H
+
+#ifdef __KERNEL__
+
+#include <linux/config.h>
+#include <linux/pci.h>
+#include <linux/stddef.h>
+
+#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_probe_legacy(void)
+{
+#ifdef CONFIG_PCI
+        struct pci_dev *dev;
+        if ((dev = pci_get_class(PCI_CLASS_BRIDGE_EISA << 8, NULL)) != NULL ||
+            (dev = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL)) != NULL) {
+                pci_dev_put(dev);
+
+                return 1;
+        }
+        return 0;
+#elif defined(CONFIG_EISA) || defined(CONFIG_ISA)
+        return 1;
+#else
+        return 0;
+#endif
+}
+
+static __inline__ int ide_default_irq(unsigned long base)
+{
+        if (ide_probe_legacy())
+                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;
+                }
+        else
+                return 0;
+}
+
+static __inline__ unsigned long ide_default_io_base(int index)
+{
+        if (ide_probe_legacy())
+                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;
+                }
+        else
+                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
+
+/* MIPS port and memory-mapped I/O string operations.  */
+
+#define __ide_insw      insw
+#define __ide_insl      insl
+#define __ide_outsw     outsw
+#define __ide_outsl     outsl
+
+#define __ide_mm_insw   readsw
+#define __ide_mm_insl   readsl
+#define __ide_mm_outsw  writesw
+#define __ide_mm_outsl  writesl
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASM_MACH_GENERIC_IDE_H */