tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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
16#ifndef MAX_HWIFS
17#ifdef __powerpc64__
18#define MAX_HWIFS 10
19#else
20#define MAX_HWIFS 8
21#endif
22#endif
23
24#ifndef __powerpc64__
25#include <linux/config.h>
26#include <linux/hdreg.h>
27#include <linux/ioport.h>
28#include <asm/io.h>
29
30extern void __ide_mm_insw(void __iomem *port, void *addr, u32 count);
31extern void __ide_mm_outsw(void __iomem *port, void *addr, u32 count);
32extern void __ide_mm_insl(void __iomem *port, void *addr, u32 count);
33extern void __ide_mm_outsl(void __iomem *port, void *addr, u32 count);
34
35struct ide_machdep_calls {
36 int (*default_irq)(unsigned long base);
37 unsigned long (*default_io_base)(int index);
38 void (*ide_init_hwif)(hw_regs_t *hw,
39 unsigned long data_port,
40 unsigned long ctrl_port,
41 int *irq);
42};
43
44extern struct ide_machdep_calls ppc_ide_md;
45
46#undef SUPPORT_SLOW_DATA_PORTS
47#define SUPPORT_SLOW_DATA_PORTS 0
48
49#define IDE_ARCH_OBSOLETE_DEFAULTS
50
51static __inline__ int ide_default_irq(unsigned long base)
52{
53 if (ppc_ide_md.default_irq)
54 return ppc_ide_md.default_irq(base);
55 return 0;
56}
57
58static __inline__ unsigned long ide_default_io_base(int index)
59{
60 if (ppc_ide_md.default_io_base)
61 return ppc_ide_md.default_io_base(index);
62 return 0;
63}
64
65#ifdef CONFIG_PCI
66#define ide_init_default_irq(base) (0)
67#else
68#define ide_init_default_irq(base) ide_default_irq(base)
69#endif
70
71#if (defined CONFIG_APUS || defined CONFIG_BLK_DEV_MPC8xx_IDE )
72#define IDE_ARCH_ACK_INTR 1
73#define ide_ack_intr(hwif) (hwif->hw.ack_intr ? hwif->hw.ack_intr(hwif) : 1)
74#endif
75
76#endif /* __powerpc64__ */
77
78#define IDE_ARCH_OBSOLETE_INIT
79#define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
80
81#endif /* __KERNEL__ */
82
83#endif /* _ASM_POWERPC_IDE_H */