Merge /scratch/Ksrc/linux-git/

1 files changed, 61 insertions, 0 deletions

diff --git a/include/asm-cris/arch-v32/ide.h b/include/asm-cris/arch-v32/ide.h
new file mode 100644
index 00000000000..24f5604f566
--- /dev/null
+++ b/include/asm-cris/arch-v32/ide.h
@@ -0,0 +1,61 @@
+/*
+ *  linux/include/asm-cris/ide.h
+ *
+ *  Copyright (C) 2000-2004  Axis Communications AB
+ *
+ *  Authors:    Bjorn Wesen, Mikael Starvik
+ *
+ */
+
+/*
+ *  This file contains the ETRAX FS specific IDE code.
+ */
+
+#ifndef __ASMCRIS_IDE_H
+#define __ASMCRIS_IDE_H
+
+#ifdef __KERNEL__
+
+#include <asm/arch/hwregs/intr_vect.h>
+#include <asm/arch/hwregs/ata_defs.h>
+#include <asm/io.h>
+#include <asm-generic/ide_iops.h>
+
+
+/* ETRAX FS can support 4 IDE busses on the same pins (serialized) */
+
+#define MAX_HWIFS	4
+
+extern __inline__ int ide_default_irq(unsigned long base)
+{
+	/* all IDE busses share the same IRQ,
+	 * this has the side-effect that ide-probe.c will cluster our 4 interfaces
+	 * together in a hwgroup, and will serialize accesses. this is good, because
+	 * we can't access more than one interface at the same time on ETRAX100.
+	 */
+	return ATA_INTR_VECT;
+}
+
+extern __inline__ unsigned long ide_default_io_base(int index)
+{
+	reg_ata_rw_ctrl2 ctrl2 = {.sel = index};
+	/* we have no real I/O base address per interface, since all go through the
+	 * same register. but in a bitfield in that register, we have the i/f number.
+	 * so we can use the io_base to remember that bitfield.
+	 */
+        ctrl2.sel = index;
+
+	return REG_TYPE_CONV(unsigned long, reg_ata_rw_ctrl2, ctrl2);
+}
+
+/* some configuration options we don't need */
+
+#undef SUPPORT_VLB_SYNC
+#define SUPPORT_VLB_SYNC 0
+
+#define IDE_ARCH_ACK_INTR
+#define ide_ack_intr(hwif)	(hwif)->hw.ack_intr(hwif)
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASMCRIS_IDE_H */