2 * linux/include/asm-cris/ide.h
4 * Copyright (C) 2000-2004 Axis Communications AB
6 * Authors: Bjorn Wesen, Mikael Starvik
11 * This file contains the ETRAX FS specific IDE code.
14 #ifndef __ASMCRIS_IDE_H
15 #define __ASMCRIS_IDE_H
19 #include <asm/arch/hwregs/intr_vect.h>
20 #include <asm/arch/hwregs/ata_defs.h>
22 #include <asm-generic/ide_iops.h>
25 /* ETRAX FS can support 4 IDE busses on the same pins (serialized) */
29 static inline int ide_default_irq(unsigned long base)
31 /* all IDE busses share the same IRQ,
32 * this has the side-effect that ide-probe.c will cluster our 4 interfaces
33 * together in a hwgroup, and will serialize accesses. this is good, because
34 * we can't access more than one interface at the same time on ETRAX100.
39 static inline unsigned long ide_default_io_base(int index)
41 reg_ata_rw_ctrl2 ctrl2 = {.sel = index};
42 /* we have no real I/O base address per interface, since all go through the
43 * same register. but in a bitfield in that register, we have the i/f number.
44 * so we can use the io_base to remember that bitfield.
48 return REG_TYPE_CONV(unsigned long, reg_ata_rw_ctrl2, ctrl2);
51 #define IDE_ARCH_ACK_INTR
52 #define ide_ack_intr(hwif) ((hwif)->ack_intr(hwif))
54 #endif /* __KERNEL__ */
56 #endif /* __ASMCRIS_IDE_H */