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author | Mikael Starvik <mikael.starvik@axis.com> | 2005-07-27 11:44:44 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-27 16:26:01 -0700 |
commit | 51533b615e605d86154ec1b4e585c8ca1b0b15b7 (patch) | |
tree | 4a6d7d8494d2017632d83624fb71b36031e0e7e5 /include/asm-cris/arch-v32/ide.h | |
parent | 5d01e6ce785884a5db5792cd2e5bb36fa82fe23c (diff) | |
download | lwn-51533b615e605d86154ec1b4e585c8ca1b0b15b7.tar.gz lwn-51533b615e605d86154ec1b4e585c8ca1b0b15b7.zip |
[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>
Diffstat (limited to 'include/asm-cris/arch-v32/ide.h')
-rw-r--r-- | include/asm-cris/arch-v32/ide.h | 61 |
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 000000000000..24f5604f566a --- /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 */ |