projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| b354cab0 | 2 | * Copyright (C) 1994-1996 Linus Torvalds & authors |
| 1da177e4 | 3 | * |
| b354cab0 | 4 | * This file contains the powerpc architecture specific IDE code. |
| 1da177e4 | 5 | */ |
| b354cab0 SR |
6 | #ifndef _ASM_POWERPC_IDE_H |
| 7 | #define _ASM_POWERPC_IDE_H | |
| 1da177e4 LT |
8 | |
| 9 | #ifdef __KERNEL__ | |
| 10 | ||
| b354cab0 | 11 | #ifndef __powerpc64__ |
| 1da177e4 LT |
12 | #include <linux/sched.h> |
| 13 | #include <asm/mpc8xx.h> | |
| b354cab0 | 14 | #endif |
| 73ea9e1b | 15 | #include <asm/io.h> |
| 1da177e4 LT |
16 | |
| 17 | #ifndef MAX_HWIFS | |
| b354cab0 SR |
18 | #ifdef __powerpc64__ |
| 19 | #define MAX_HWIFS 10 | |
| 20 | #else | |
| 1da177e4 LT |
21 | #define MAX_HWIFS 8 |
| 22 | #endif | |
| b354cab0 | 23 | #endif |
| 1da177e4 | 24 | |
| 73ea9e1b SR |
25 | #define __ide_mm_insw(p, a, c) _insw_ns((volatile u16 __iomem *)(p), (a), (c)) |
| 26 | #define __ide_mm_insl(p, a, c) _insl_ns((volatile u32 __iomem *)(p), (a), (c)) | |
| 27 | #define __ide_mm_outsw(p, a, c) _outsw_ns((volatile u16 __iomem *)(p), (a), (c)) | |
| 28 | #define __ide_mm_outsl(p, a, c) _outsl_ns((volatile u32 __iomem *)(p), (a), (c)) | |
| 29 | ||
| b354cab0 | 30 | #ifndef __powerpc64__ |
| 1da177e4 LT |
31 | #include <linux/hdreg.h> |
| 32 | #include <linux/ioport.h> | |
| 1da177e4 LT |
33 | |
| 34 | struct 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 | ||
| 43 | extern 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 | ||
| 50 | static __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 | ||
| 57 | static __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 | ||
| 1da177e4 LT |
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 | ||
| b354cab0 SR |
75 | #endif /* __powerpc64__ */ |
| 76 | ||
| 77 | #define IDE_ARCH_OBSOLETE_INIT | |
| 78 | #define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */ | |
| 79 | ||
| 1da177e4 LT |
80 | #endif /* __KERNEL__ */ |
| 81 | ||
| b354cab0 | 82 | #endif /* _ASM_POWERPC_IDE_H */ |