linux/include/asm-cris/arch-v32/ide.h
Mikael Starvik 51533b615e [PATCH] CRIS update: new subarchitecture v32
New CRIS sub architecture named v32.

From: Dave Jones <davej@redhat.com>

	Fix swapped kmalloc args

Signed-off-by: Mikael Starvik <starvik@axis.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-27 16:26:01 -07:00

62 lines
1.5 KiB
C

/*
* 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 */