Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * Copyright (C) 1994-1996 Linus Torvalds & authors
3 *
4 * This file contains the powerpc architecture specific IDE code.
5 */
6#ifndef _ASM_POWERPC_IDE_H
7#define _ASM_POWERPC_IDE_H
8
9#ifdef __KERNEL__
10
11#ifndef __powerpc64__
12#include <linux/sched.h>
13#include <asm/mpc8xx.h>
14#endif
15#include <asm/io.h>
16
17#ifndef MAX_HWIFS
18#ifdef __powerpc64__
19#define MAX_HWIFS 10
20#else
21#define MAX_HWIFS 8
22#endif
23#endif
24
25#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))
29
30#ifndef __powerpc64__
31#include <linux/hdreg.h>
32#include <linux/ioport.h>
33
34struct ide_machdep_calls {
35 int (*default_irq)(unsigned long base);
36 unsigned long (*default_io_base)(int index);
37 void (*ide_init_hwif)(hw_regs_t *hw,
38 unsigned long data_port,
39 unsigned long ctrl_port,
40 int *irq);
41};
42
43extern struct ide_machdep_calls ppc_ide_md;
44
45#undef SUPPORT_SLOW_DATA_PORTS
46#define SUPPORT_SLOW_DATA_PORTS 0
47
48#define IDE_ARCH_OBSOLETE_DEFAULTS
49
50static __inline__ int ide_default_irq(unsigned long base)
51{
52 if (ppc_ide_md.default_irq)
53 return ppc_ide_md.default_irq(base);
54 return 0;
55}
56
57static __inline__ unsigned long ide_default_io_base(int index)
58{
59 if (ppc_ide_md.default_io_base)
60 return ppc_ide_md.default_io_base(index);
61 return 0;
62}
63
64#ifdef CONFIG_PCI
65#define ide_init_default_irq(base) (0)
66#else
67#define ide_init_default_irq(base) ide_default_irq(base)
68#endif
69
70#if (defined CONFIG_APUS || defined CONFIG_BLK_DEV_MPC8xx_IDE )
71#define IDE_ARCH_ACK_INTR 1
72#define ide_ack_intr(hwif) (hwif->hw.ack_intr ? hwif->hw.ack_intr(hwif) : 1)
73#endif
74
75#endif /* __powerpc64__ */
76
77#define IDE_ARCH_OBSOLETE_INIT
78#define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
79
80#endif /* __KERNEL__ */
81
82#endif /* _ASM_POWERPC_IDE_H */