diff options
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/ide.h | 57 | ||||
| -rw-r--r-- | include/asm-powerpc/mediabay.h | 6 | ||||
| -rw-r--r-- | include/asm-powerpc/semaphore.h | 95 |
3 files changed, 38 insertions, 120 deletions
diff --git a/include/asm-powerpc/ide.h b/include/asm-powerpc/ide.h index 6d50310ecaea..3d90bf7d3d73 100644 --- a/include/asm-powerpc/ide.h +++ b/include/asm-powerpc/ide.h @@ -31,39 +31,48 @@ #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; - -#define IDE_ARCH_OBSOLETE_DEFAULTS - +/* FIXME: use ide_platform host driver */ static __inline__ int ide_default_irq(unsigned long base) { - if (ppc_ide_md.default_irq) - return ppc_ide_md.default_irq(base); +#ifdef CONFIG_PPLUS + switch (base) { + case 0x1f0: return 14; + case 0x170: return 15; + } +#endif +#ifdef CONFIG_PPC_PREP + switch (base) { + case 0x1f0: return 13; + case 0x170: return 13; + case 0x1e8: return 11; + case 0x168: return 10; + case 0xfff0: return 14; /* MCP(N)750 ide0 */ + case 0xffe0: return 15; /* MCP(N)750 ide1 */ + } +#endif return 0; } +/* FIXME: use ide_platform host driver */ 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); +#ifdef CONFIG_PPLUS + switch (index) { + case 0: return 0x1f0; + case 1: return 0x170; + } +#endif +#ifdef CONFIG_PPC_PREP + switch (index) { + case 0: return 0x1f0; + case 1: return 0x170; + case 2: return 0x1e8; + case 3: return 0x168; + } +#endif 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) @@ -71,8 +80,6 @@ static __inline__ unsigned long ide_default_io_base(int index) #endif /* __powerpc64__ */ -#define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */ - #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_IDE_H */ diff --git a/include/asm-powerpc/mediabay.h b/include/asm-powerpc/mediabay.h index de83fe196309..df111c362a7f 100644 --- a/include/asm-powerpc/mediabay.h +++ b/include/asm-powerpc/mediabay.h @@ -22,10 +22,14 @@ int check_media_bay(struct device_node *which_bay, int what); /* Number of bays in the machine or 0 */ extern int media_bay_count; +#ifdef CONFIG_BLK_DEV_IDE_PMAC +#include <linux/ide.h> + int check_media_bay_by_base(unsigned long base, int what); /* called by IDE PMAC host driver to register IDE controller for media bay */ int media_bay_set_ide_infos(struct device_node *which_bay, unsigned long base, - int irq, int index); + int irq, ide_hwif_t *hwif); +#endif #endif /* __KERNEL__ */ #endif /* _PPC_MEDIABAY_H */ diff --git a/include/asm-powerpc/semaphore.h b/include/asm-powerpc/semaphore.h index 48dd32e07749..d9b2034ed1d2 100644 --- a/include/asm-powerpc/semaphore.h +++ b/include/asm-powerpc/semaphore.h @@ -1,94 +1 @@ -#ifndef _ASM_POWERPC_SEMAPHORE_H -#define _ASM_POWERPC_SEMAPHORE_H - -/* - * Remove spinlock-based RW semaphores; RW semaphore definitions are - * now in rwsem.h and we use the generic lib/rwsem.c implementation. - * Rework semaphores to use atomic_dec_if_positive. - * -- Paul Mackerras (paulus@samba.org) - */ - -#ifdef __KERNEL__ - -#include <asm/atomic.h> -#include <asm/system.h> -#include <linux/wait.h> -#include <linux/rwsem.h> - -struct semaphore { - /* - * Note that any negative value of count is equivalent to 0, - * but additionally indicates that some process(es) might be - * sleeping on `wait'. - */ - atomic_t count; - wait_queue_head_t wait; -}; - -#define __SEMAPHORE_INITIALIZER(name, n) \ -{ \ - .count = ATOMIC_INIT(n), \ - .wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait) \ -} - -#define __DECLARE_SEMAPHORE_GENERIC(name, count) \ - struct semaphore name = __SEMAPHORE_INITIALIZER(name,count) - -#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name, 1) - -static inline void sema_init (struct semaphore *sem, int val) -{ - atomic_set(&sem->count, val); - init_waitqueue_head(&sem->wait); -} - -static inline void init_MUTEX (struct semaphore *sem) -{ - sema_init(sem, 1); -} - -static inline void init_MUTEX_LOCKED (struct semaphore *sem) -{ - sema_init(sem, 0); -} - -extern void __down(struct semaphore * sem); -extern int __down_interruptible(struct semaphore * sem); -extern void __up(struct semaphore * sem); - -static inline void down(struct semaphore * sem) -{ - might_sleep(); - - /* - * Try to get the semaphore, take the slow path if we fail. - */ - if (unlikely(atomic_dec_return(&sem->count) < 0)) - __down(sem); -} - -static inline int down_interruptible(struct semaphore * sem) -{ - int ret = 0; - - might_sleep(); - - if (unlikely(atomic_dec_return(&sem->count) < 0)) - ret = __down_interruptible(sem); - return ret; -} - -static inline int down_trylock(struct semaphore * sem) -{ - return atomic_dec_if_positive(&sem->count) < 0; -} - -static inline void up(struct semaphore * sem) -{ - if (unlikely(atomic_inc_return(&sem->count) <= 0)) - __up(sem); -} - -#endif /* __KERNEL__ */ - -#endif /* _ASM_POWERPC_SEMAPHORE_H */ +#include <linux/semaphore.h> |