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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Stephen Rothwellb354cab2005-11-08 12:20:34 +11002 * Copyright (C) 1994-1996 Linus Torvalds & authors
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
Stephen Rothwellb354cab2005-11-08 12:20:34 +11004 * This file contains the powerpc architecture specific IDE code.
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 */
Stephen Rothwellb354cab2005-11-08 12:20:34 +11006#ifndef _ASM_POWERPC_IDE_H
7#define _ASM_POWERPC_IDE_H
Linus Torvalds1da177e2005-04-16 15:20:36 -07008
9#ifdef __KERNEL__
10
Stephen Rothwellb354cab2005-11-08 12:20:34 +110011#ifndef __powerpc64__
Linus Torvalds1da177e2005-04-16 15:20:36 -070012#include <linux/sched.h>
13#include <asm/mpc8xx.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070014#endif
Stephen Rothwell73ea9e12006-09-19 17:30:20 +100015#include <asm/io.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070016
Stephen Rothwellb354cab2005-11-08 12:20:34 +110017#ifndef MAX_HWIFS
18#ifdef __powerpc64__
19#define MAX_HWIFS 10
20#else
21#define MAX_HWIFS 8
22#endif
23#endif
24
Benjamin Herrenschmidt4cb3cee2006-11-11 17:25:10 +110025#define __ide_mm_insw(p, a, c) readsw((void __iomem *)(p), (a), (c))
26#define __ide_mm_insl(p, a, c) readsl((void __iomem *)(p), (a), (c))
27#define __ide_mm_outsw(p, a, c) writesw((void __iomem *)(p), (a), (c))
28#define __ide_mm_outsl(p, a, c) writesl((void __iomem *)(p), (a), (c))
Stephen Rothwell73ea9e12006-09-19 17:30:20 +100029
Stephen Rothwellb354cab2005-11-08 12:20:34 +110030#ifndef __powerpc64__
Linus Torvalds1da177e2005-04-16 15:20:36 -070031#include <linux/hdreg.h>
32#include <linux/ioport.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070033
Linus Torvalds1da177e2005-04-16 15:20:36 -070034#define IDE_ARCH_OBSOLETE_DEFAULTS
35
Bartlomiej Zolnierkiewicz1d850bd2008-04-18 00:46:32 +020036/* FIXME: use ide_platform host driver */
Linus Torvalds1da177e2005-04-16 15:20:36 -070037static __inline__ int ide_default_irq(unsigned long base)
38{
Bartlomiej Zolnierkiewicz1d850bd2008-04-18 00:46:32 +020039#ifdef CONFIG_PPLUS
40 switch (base) {
41 case 0x1f0: return 14;
42 case 0x170: return 15;
43 }
44#endif
45#ifdef CONFIG_PPC_PREP
46 switch (base) {
47 case 0x1f0: return 13;
48 case 0x170: return 13;
49 case 0x1e8: return 11;
50 case 0x168: return 10;
51 case 0xfff0: return 14; /* MCP(N)750 ide0 */
52 case 0xffe0: return 15; /* MCP(N)750 ide1 */
53 }
54#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070055 return 0;
56}
57
Bartlomiej Zolnierkiewicz1d850bd2008-04-18 00:46:32 +020058/* FIXME: use ide_platform host driver */
Linus Torvalds1da177e2005-04-16 15:20:36 -070059static __inline__ unsigned long ide_default_io_base(int index)
60{
Bartlomiej Zolnierkiewicz1d850bd2008-04-18 00:46:32 +020061#ifdef CONFIG_PPLUS
62 switch (index) {
63 case 0: return 0x1f0;
64 case 1: return 0x170;
65 }
66#endif
67#ifdef CONFIG_PPC_PREP
68 switch (index) {
69 case 0: return 0x1f0;
70 case 1: return 0x170;
71 case 2: return 0x1e8;
72 case 3: return 0x168;
73 }
74#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070075 return 0;
76}
77
Linus Torvalds1da177e2005-04-16 15:20:36 -070078#ifdef CONFIG_PCI
79#define ide_init_default_irq(base) (0)
80#else
81#define ide_init_default_irq(base) ide_default_irq(base)
82#endif
83
Adrian Bunke6b6e3f2007-08-27 23:29:53 +020084#ifdef CONFIG_BLK_DEV_MPC8xx_IDE
Linus Torvalds1da177e2005-04-16 15:20:36 -070085#define IDE_ARCH_ACK_INTR 1
Bartlomiej Zolnierkiewicz18e181f2007-10-20 00:32:32 +020086#define ide_ack_intr(hwif) ((hwif)->ack_intr ? (hwif)->ack_intr(hwif) : 1)
Linus Torvalds1da177e2005-04-16 15:20:36 -070087#endif
88
Stephen Rothwellb354cab2005-11-08 12:20:34 +110089#endif /* __powerpc64__ */
90
Stephen Rothwellb354cab2005-11-08 12:20:34 +110091#define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
92
Linus Torvalds1da177e2005-04-16 15:20:36 -070093#endif /* __KERNEL__ */
94
Stephen Rothwellb354cab2005-11-08 12:20:34 +110095#endif /* _ASM_POWERPC_IDE_H */