/* * Copyright (C) 1994-1996 Linus Torvalds & authors * * This file contains the powerpc architecture specific IDE code. */ #ifndef _ASM_POWERPC_IDE_H #define _ASM_POWERPC_IDE_H #ifdef __KERNEL__ #ifndef __powerpc64__ #include <linux/sched.h> #include <asm/mpc8xx.h> #endif #include <asm/io.h> #ifndef MAX_HWIFS #ifdef __powerpc64__ #define MAX_HWIFS 10 #else #define MAX_HWIFS 8 #endif #endif #define __ide_mm_insw(p, a, c) readsw((void __iomem *)(p), (a), (c)) #define __ide_mm_insl(p, a, c) readsl((void __iomem *)(p), (a), (c)) #define __ide_mm_outsw(p, a, c) writesw((void __iomem *)(p), (a), (c)) #define __ide_mm_outsl(p, a, c) writesl((void __iomem *)(p), (a), (c)) #ifndef __powerpc64__ #include <linux/hdreg.h> #include <linux/ioport.h> struct ide_machdep_calls { int (*default_irq)(unsigned long base); unsigned long (*default_io_base)(int index); void (*ide_init_hwif)(hw_regs_t *hw, unsigned long data_port, unsigned long ctrl_port, int *irq); }; extern struct ide_machdep_calls ppc_ide_md; #undef SUPPORT_SLOW_DATA_PORTS #define SUPPORT_SLOW_DATA_PORTS 0 #define IDE_ARCH_OBSOLETE_DEFAULTS static __inline__ int ide_default_irq(unsigned long base) { if (ppc_ide_md.default_irq) return ppc_ide_md.default_irq(base); return 0; } static __inline__ unsigned long ide_default_io_base(int index) { if (ppc_ide_md.default_io_base) return ppc_ide_md.default_io_base(index); return 0; } #ifdef CONFIG_PCI #define ide_init_default_irq(base) (0) #else #define ide_init_default_irq(base) ide_default_irq(base) #endif #ifdef CONFIG_BLK_DEV_MPC8xx_IDE #define IDE_ARCH_ACK_INTR 1 #define ide_ack_intr(hwif) ((hwif)->ack_intr ? (hwif)->ack_intr(hwif) : 1) #endif #endif /* __powerpc64__ */ #define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_IDE_H */