diff options
Diffstat (limited to 'arch/blackfin/include')
-rw-r--r-- | arch/blackfin/include/asm/atomic.h | 2 | ||||
-rw-r--r-- | arch/blackfin/include/asm/barrier.h | 48 | ||||
-rw-r--r-- | arch/blackfin/include/asm/bfin5xx_spi.h | 1 | ||||
-rw-r--r-- | arch/blackfin/include/asm/bfin_simple_timer.h | 10 | ||||
-rw-r--r-- | arch/blackfin/include/asm/bfin_sport.h | 3 | ||||
-rw-r--r-- | arch/blackfin/include/asm/blackfin.h | 44 | ||||
-rw-r--r-- | arch/blackfin/include/asm/cmpxchg.h (renamed from arch/blackfin/include/asm/system.h) | 78 | ||||
-rw-r--r-- | arch/blackfin/include/asm/exec.h | 1 | ||||
-rw-r--r-- | arch/blackfin/include/asm/irq.h | 4 | ||||
-rw-r--r-- | arch/blackfin/include/asm/irq_handler.h | 1 | ||||
-rw-r--r-- | arch/blackfin/include/asm/kgdb.h | 1 | ||||
-rw-r--r-- | arch/blackfin/include/asm/mmu_context.h | 5 | ||||
-rw-r--r-- | arch/blackfin/include/asm/switch_to.h | 39 | ||||
-rw-r--r-- | arch/blackfin/include/asm/thread_info.h | 2 | ||||
-rw-r--r-- | arch/blackfin/include/asm/unistd.h | 4 |
15 files changed, 139 insertions, 104 deletions
diff --git a/arch/blackfin/include/asm/atomic.h b/arch/blackfin/include/asm/atomic.h index 54c6e2887e9f..c8db653c72d2 100644 --- a/arch/blackfin/include/asm/atomic.h +++ b/arch/blackfin/include/asm/atomic.h @@ -7,6 +7,8 @@ #ifndef __ARCH_BLACKFIN_ATOMIC__ #define __ARCH_BLACKFIN_ATOMIC__ +#include <asm/cmpxchg.h> + #ifdef CONFIG_SMP #include <linux/linkage.h> diff --git a/arch/blackfin/include/asm/barrier.h b/arch/blackfin/include/asm/barrier.h new file mode 100644 index 000000000000..ebb189507dd7 --- /dev/null +++ b/arch/blackfin/include/asm/barrier.h @@ -0,0 +1,48 @@ +/* + * Copyright 2004-2009 Analog Devices Inc. + * Tony Kou (tonyko@lineo.ca) + * + * Licensed under the GPL-2 or later + */ + +#ifndef _BLACKFIN_BARRIER_H +#define _BLACKFIN_BARRIER_H + +#include <asm/cache.h> + +#define nop() __asm__ __volatile__ ("nop;\n\t" : : ) + +/* + * Force strict CPU ordering. + */ +#ifdef CONFIG_SMP + +#ifdef __ARCH_SYNC_CORE_DCACHE +/* Force Core data cache coherence */ +# define mb() do { barrier(); smp_check_barrier(); smp_mark_barrier(); } while (0) +# define rmb() do { barrier(); smp_check_barrier(); } while (0) +# define wmb() do { barrier(); smp_mark_barrier(); } while (0) +# define read_barrier_depends() do { barrier(); smp_check_barrier(); } while (0) +#else +# define mb() barrier() +# define rmb() barrier() +# define wmb() barrier() +# define read_barrier_depends() do { } while (0) +#endif + +#else /* !CONFIG_SMP */ + +#define mb() barrier() +#define rmb() barrier() +#define wmb() barrier() +#define read_barrier_depends() do { } while (0) + +#endif /* !CONFIG_SMP */ + +#define smp_mb() mb() +#define smp_rmb() rmb() +#define smp_wmb() wmb() +#define set_mb(var, value) do { var = value; mb(); } while (0) +#define smp_read_barrier_depends() read_barrier_depends() + +#endif /* _BLACKFIN_BARRIER_H */ diff --git a/arch/blackfin/include/asm/bfin5xx_spi.h b/arch/blackfin/include/asm/bfin5xx_spi.h index 5392583d0253..fb95c853bb1e 100644 --- a/arch/blackfin/include/asm/bfin5xx_spi.h +++ b/arch/blackfin/include/asm/bfin5xx_spi.h @@ -77,7 +77,6 @@ struct bfin5xx_spi_master { struct bfin5xx_spi_chip { u16 ctl_reg; u8 enable_dma; - u8 bits_per_word; u16 cs_chg_udelay; /* Some devices require 16-bit delays */ /* Value to send if no TX value is supplied, usually 0x0 or 0xFFFF */ u16 idle_tx_val; diff --git a/arch/blackfin/include/asm/bfin_simple_timer.h b/arch/blackfin/include/asm/bfin_simple_timer.h index 5248c133bc68..aadfb1ad1fac 100644 --- a/arch/blackfin/include/asm/bfin_simple_timer.h +++ b/arch/blackfin/include/asm/bfin_simple_timer.h @@ -11,9 +11,11 @@ #define BFIN_SIMPLE_TIMER_IOCTL_MAGIC 't' -#define BFIN_SIMPLE_TIMER_SET_PERIOD _IO (BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 2) -#define BFIN_SIMPLE_TIMER_START _IO (BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 6) -#define BFIN_SIMPLE_TIMER_STOP _IO (BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 8) -#define BFIN_SIMPLE_TIMER_READ _IO (BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 10) +#define BFIN_SIMPLE_TIMER_SET_PERIOD _IO(BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 2) +#define BFIN_SIMPLE_TIMER_SET_WIDTH _IO(BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 3) +#define BFIN_SIMPLE_TIMER_SET_MODE _IO(BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 4) +#define BFIN_SIMPLE_TIMER_START _IO(BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 6) +#define BFIN_SIMPLE_TIMER_STOP _IO(BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 8) +#define BFIN_SIMPLE_TIMER_READ _IO(BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 10) #endif diff --git a/arch/blackfin/include/asm/bfin_sport.h b/arch/blackfin/include/asm/bfin_sport.h index f8568a31d0ab..0afcfbd54a82 100644 --- a/arch/blackfin/include/asm/bfin_sport.h +++ b/arch/blackfin/include/asm/bfin_sport.h @@ -13,6 +13,7 @@ #define NORM_MODE 0x0 #define TDM_MODE 0x1 #define I2S_MODE 0x2 +#define NDSO_MODE 0x3 /* Data format, normal, a-law or u-law */ #define NORM_FORMAT 0x0 @@ -56,6 +57,8 @@ struct sport_config { /* Userspace interface */ #define SPORT_IOC_MAGIC 'P' #define SPORT_IOC_CONFIG _IOWR('P', 0x01, struct sport_config) +#define SPORT_IOC_GET_SYSTEMCLOCK _IOR('P', 0x02, unsigned long) +#define SPORT_IOC_SET_BAUDRATE _IOW('P', 0x03, unsigned long) #ifdef __KERNEL__ diff --git a/arch/blackfin/include/asm/blackfin.h b/arch/blackfin/include/asm/blackfin.h index 0928700b6bc4..7be5368c0512 100644 --- a/arch/blackfin/include/asm/blackfin.h +++ b/arch/blackfin/include/asm/blackfin.h @@ -17,22 +17,16 @@ static inline void SSYNC(void) { int _tmp; - if (ANOMALY_05000312) + if (ANOMALY_05000312 || ANOMALY_05000244) __asm__ __volatile__( "cli %0;" "nop;" "nop;" + "nop;" "ssync;" "sti %0;" : "=d" (_tmp) ); - else if (ANOMALY_05000244) - __asm__ __volatile__( - "nop;" - "nop;" - "nop;" - "ssync;" - ); else __asm__ __volatile__("ssync;"); } @@ -41,22 +35,16 @@ static inline void SSYNC(void) static inline void CSYNC(void) { int _tmp; - if (ANOMALY_05000312) + if (ANOMALY_05000312 || ANOMALY_05000244) __asm__ __volatile__( "cli %0;" "nop;" "nop;" + "nop;" "csync;" "sti %0;" : "=d" (_tmp) ); - else if (ANOMALY_05000244) - __asm__ __volatile__( - "nop;" - "nop;" - "nop;" - "csync;" - ); else __asm__ __volatile__("csync;"); } @@ -73,18 +61,26 @@ static inline void CSYNC(void) #define ssync(x) SSYNC(x) #define csync(x) CSYNC(x) -#if ANOMALY_05000312 -#define SSYNC(scratch) cli scratch; nop; nop; SSYNC; sti scratch; -#define CSYNC(scratch) cli scratch; nop; nop; CSYNC; sti scratch; - -#elif ANOMALY_05000244 -#define SSYNC(scratch) nop; nop; nop; SSYNC; -#define CSYNC(scratch) nop; nop; nop; CSYNC; +#if ANOMALY_05000312 || ANOMALY_05000244 +#define SSYNC(scratch) \ +do { \ + cli scratch; \ + nop; nop; nop; \ + SSYNC; \ + sti scratch; \ +} while (0) + +#define CSYNC(scratch) \ +do { \ + cli scratch; \ + nop; nop; nop; \ + CSYNC; \ + sti scratch; \ +} while (0) #else #define SSYNC(scratch) SSYNC; #define CSYNC(scratch) CSYNC; - #endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */ #endif /* __ASSEMBLY__ */ diff --git a/arch/blackfin/include/asm/system.h b/arch/blackfin/include/asm/cmpxchg.h index 44bd0cced725..ba2484f4cb2a 100644 --- a/arch/blackfin/include/asm/system.h +++ b/arch/blackfin/include/asm/cmpxchg.h @@ -1,31 +1,16 @@ /* - * Copyright 2004-2009 Analog Devices Inc. - * Tony Kou (tonyko@lineo.ca) + * Copyright 2004-2011 Analog Devices Inc. * - * Licensed under the GPL-2 or later + * Licensed under the GPL-2 or later. */ -#ifndef _BLACKFIN_SYSTEM_H -#define _BLACKFIN_SYSTEM_H +#ifndef __ARCH_BLACKFIN_CMPXCHG__ +#define __ARCH_BLACKFIN_CMPXCHG__ -#include <linux/linkage.h> -#include <linux/irqflags.h> -#include <mach/anomaly.h> -#include <asm/cache.h> -#include <asm/pda.h> -#include <asm/irq.h> +#ifdef CONFIG_SMP -/* - * Force strict CPU ordering. - */ -#define nop() __asm__ __volatile__ ("nop;\n\t" : : ) -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define set_mb(var, value) do { var = value; mb(); } while (0) -#define smp_read_barrier_depends() read_barrier_depends() +#include <linux/linkage.h> -#ifdef CONFIG_SMP asmlinkage unsigned long __raw_xchg_1_asm(volatile void *ptr, unsigned long value); asmlinkage unsigned long __raw_xchg_2_asm(volatile void *ptr, unsigned long value); asmlinkage unsigned long __raw_xchg_4_asm(volatile void *ptr, unsigned long value); @@ -36,19 +21,6 @@ asmlinkage unsigned long __raw_cmpxchg_2_asm(volatile void *ptr, asmlinkage unsigned long __raw_cmpxchg_4_asm(volatile void *ptr, unsigned long new, unsigned long old); -#ifdef __ARCH_SYNC_CORE_DCACHE -/* Force Core data cache coherence */ -# define mb() do { barrier(); smp_check_barrier(); smp_mark_barrier(); } while (0) -# define rmb() do { barrier(); smp_check_barrier(); } while (0) -# define wmb() do { barrier(); smp_mark_barrier(); } while (0) -# define read_barrier_depends() do { barrier(); smp_check_barrier(); } while (0) -#else -# define mb() barrier() -# define rmb() barrier() -# define wmb() barrier() -# define read_barrier_depends() do { } while (0) -#endif - static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size) { @@ -99,18 +71,14 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, #else /* !CONFIG_SMP */ -#define mb() barrier() -#define rmb() barrier() -#define wmb() barrier() -#define read_barrier_depends() do { } while (0) +#include <mach/blackfin.h> +#include <asm/irqflags.h> struct __xchg_dummy { unsigned long a[100]; }; #define __xg(x) ((volatile struct __xchg_dummy *)(x)) -#include <mach/blackfin.h> - static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size) { @@ -161,32 +129,4 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, #define xchg(ptr, x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))) #define tas(ptr) ((void)xchg((ptr), 1)) -#define prepare_to_switch() do { } while(0) - -/* - * switch_to(n) should switch tasks to task ptr, first checking that - * ptr isn't the current task, in which case it does nothing. - */ - -#include <asm/l1layout.h> -#include <asm/mem_map.h> - -asmlinkage struct task_struct *resume(struct task_struct *prev, struct task_struct *next); - -#ifndef CONFIG_SMP -#define switch_to(prev,next,last) \ -do { \ - memcpy (&task_thread_info(prev)->l1_task_info, L1_SCRATCH_TASK_INFO, \ - sizeof *L1_SCRATCH_TASK_INFO); \ - memcpy (L1_SCRATCH_TASK_INFO, &task_thread_info(next)->l1_task_info, \ - sizeof *L1_SCRATCH_TASK_INFO); \ - (last) = resume (prev, next); \ -} while (0) -#else -#define switch_to(prev, next, last) \ -do { \ - (last) = resume(prev, next); \ -} while (0) -#endif - -#endif /* _BLACKFIN_SYSTEM_H */ +#endif /* __ARCH_BLACKFIN_CMPXCHG__ */ diff --git a/arch/blackfin/include/asm/exec.h b/arch/blackfin/include/asm/exec.h new file mode 100644 index 000000000000..54c2e1db274a --- /dev/null +++ b/arch/blackfin/include/asm/exec.h @@ -0,0 +1 @@ +/* define arch_align_stack() here */ diff --git a/arch/blackfin/include/asm/irq.h b/arch/blackfin/include/asm/irq.h index 12f4060a31b0..89de539ed010 100644 --- a/arch/blackfin/include/asm/irq.h +++ b/arch/blackfin/include/asm/irq.h @@ -38,8 +38,4 @@ #include <asm-generic/irq.h> -#ifdef CONFIG_NMI_WATCHDOG -# define ARCH_HAS_NMI_WATCHDOG -#endif - #endif /* _BFIN_IRQ_H_ */ diff --git a/arch/blackfin/include/asm/irq_handler.h b/arch/blackfin/include/asm/irq_handler.h index ee73f79aef10..4fbf83575db1 100644 --- a/arch/blackfin/include/asm/irq_handler.h +++ b/arch/blackfin/include/asm/irq_handler.h @@ -9,6 +9,7 @@ #include <linux/types.h> #include <linux/linkage.h> +#include <mach/irq.h> /* init functions only */ extern int __init init_arch_irq(void); diff --git a/arch/blackfin/include/asm/kgdb.h b/arch/blackfin/include/asm/kgdb.h index aaf884591b07..2703ddeeb5db 100644 --- a/arch/blackfin/include/asm/kgdb.h +++ b/arch/blackfin/include/asm/kgdb.h @@ -109,6 +109,7 @@ static inline void arch_kgdb_breakpoint(void) # define CACHE_FLUSH_IS_SAFE 1 #endif #define GDB_ADJUSTS_BREAK_OFFSET +#define GDB_SKIP_HW_WATCH_TEST #define HW_INST_WATCHPOINT_NUM 6 #define HW_WATCHPOINT_NUM 8 #define TYPE_INST_WATCHPOINT 0 diff --git a/arch/blackfin/include/asm/mmu_context.h b/arch/blackfin/include/asm/mmu_context.h index 3828c70e7a2e..15b16d3e8de8 100644 --- a/arch/blackfin/include/asm/mmu_context.h +++ b/arch/blackfin/include/asm/mmu_context.h @@ -30,8 +30,11 @@ extern void *l1sram_alloc_max(void*); static inline void free_l1stack(void) { nr_l1stack_tasks--; - if (nr_l1stack_tasks == 0) + if (nr_l1stack_tasks == 0) { l1sram_free(l1_stack_base); + l1_stack_base = NULL; + l1_stack_len = 0; + } } static inline unsigned long diff --git a/arch/blackfin/include/asm/switch_to.h b/arch/blackfin/include/asm/switch_to.h new file mode 100644 index 000000000000..aaf671be9242 --- /dev/null +++ b/arch/blackfin/include/asm/switch_to.h @@ -0,0 +1,39 @@ +/* + * Copyright 2004-2009 Analog Devices Inc. + * Tony Kou (tonyko@lineo.ca) + * + * Licensed under the GPL-2 or later + */ + +#ifndef _BLACKFIN_SWITCH_TO_H +#define _BLACKFIN_SWITCH_TO_H + +#define prepare_to_switch() do { } while(0) + +/* + * switch_to(n) should switch tasks to task ptr, first checking that + * ptr isn't the current task, in which case it does nothing. + */ + +#include <asm/l1layout.h> +#include <asm/mem_map.h> + +asmlinkage struct task_struct *resume(struct task_struct *prev, struct task_struct *next); + +#ifndef CONFIG_SMP +#define switch_to(prev,next,last) \ +do { \ + memcpy (&task_thread_info(prev)->l1_task_info, L1_SCRATCH_TASK_INFO, \ + sizeof *L1_SCRATCH_TASK_INFO); \ + memcpy (L1_SCRATCH_TASK_INFO, &task_thread_info(next)->l1_task_info, \ + sizeof *L1_SCRATCH_TASK_INFO); \ + (last) = resume (prev, next); \ +} while (0) +#else +#define switch_to(prev, next, last) \ +do { \ + (last) = resume(prev, next); \ +} while (0) +#endif + +#endif /* _BLACKFIN_SWITCH_TO_H */ diff --git a/arch/blackfin/include/asm/thread_info.h b/arch/blackfin/include/asm/thread_info.h index 53ad10005ae3..02560fd8a121 100644 --- a/arch/blackfin/include/asm/thread_info.h +++ b/arch/blackfin/include/asm/thread_info.h @@ -100,6 +100,7 @@ static inline struct thread_info *current_thread_info(void) TIF_NEED_RESCHED */ #define TIF_MEMDIE 4 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ +#define TIF_FREEZE 6 /* is freezing for suspend */ #define TIF_IRQ_SYNC 7 /* sync pipeline stage */ #define TIF_NOTIFY_RESUME 8 /* callback before returning to user */ #define TIF_SINGLESTEP 9 @@ -110,6 +111,7 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) +#define _TIF_FREEZE (1<<TIF_FREEZE) #define _TIF_IRQ_SYNC (1<<TIF_IRQ_SYNC) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) diff --git a/arch/blackfin/include/asm/unistd.h b/arch/blackfin/include/asm/unistd.h index 0ccba60b9ccf..75ec9df5318b 100644 --- a/arch/blackfin/include/asm/unistd.h +++ b/arch/blackfin/include/asm/unistd.h @@ -399,8 +399,10 @@ #define __NR_syncfs 378 #define __NR_setns 379 #define __NR_sendmmsg 380 +#define __NR_process_vm_readv 381 +#define __NR_process_vm_writev 382 -#define __NR_syscall 381 +#define __NR_syscall 383 #define NR_syscalls __NR_syscall /* Old optional stuff no one actually uses */ |