diff options
Diffstat (limited to 'include/asm-powerpc/ide.h')
| -rw-r--r-- | include/asm-powerpc/ide.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/include/asm-powerpc/ide.h b/include/asm-powerpc/ide.h new file mode 100644 index 000000000000..da5f640480cf --- /dev/null +++ b/include/asm-powerpc/ide.h | |||
| @@ -0,0 +1,83 @@ | |||
| 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 | |||
| 30 | extern void __ide_mm_insw(void __iomem *port, void *addr, u32 count); | ||
| 31 | extern void __ide_mm_outsw(void __iomem *port, void *addr, u32 count); | ||
| 32 | extern void __ide_mm_insl(void __iomem *port, void *addr, u32 count); | ||
| 33 | extern void __ide_mm_outsl(void __iomem *port, void *addr, u32 count); | ||
| 34 | |||
| 35 | struct 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 | |||
| 44 | extern 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 | |||
| 51 | static __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 | |||
| 58 | static __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 */ | ||
