diff options
Diffstat (limited to 'include/asm-arm')
| -rw-r--r-- | include/asm-arm/arch-pxa/debug-macro.S | 2 | ||||
| -rw-r--r-- | include/asm-arm/hardware/arm_timer.h | 21 | ||||
| -rw-r--r-- | include/asm-arm/system.h | 12 | ||||
| -rw-r--r-- | include/asm-arm/tlbflush.h | 28 |
4 files changed, 54 insertions, 9 deletions
diff --git a/include/asm-arm/arch-pxa/debug-macro.S b/include/asm-arm/arch-pxa/debug-macro.S index f288e74b67c2..b6ec68879176 100644 --- a/include/asm-arm/arch-pxa/debug-macro.S +++ b/include/asm-arm/arch-pxa/debug-macro.S @@ -11,6 +11,8 @@ * */ +#include "hardware.h" + .macro addruart,rx mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? diff --git a/include/asm-arm/hardware/arm_timer.h b/include/asm-arm/hardware/arm_timer.h new file mode 100644 index 000000000000..04be3bdf46b8 --- /dev/null +++ b/include/asm-arm/hardware/arm_timer.h @@ -0,0 +1,21 @@ +#ifndef __ASM_ARM_HARDWARE_ARM_TIMER_H +#define __ASM_ARM_HARDWARE_ARM_TIMER_H + +#define TIMER_LOAD 0x00 +#define TIMER_VALUE 0x04 +#define TIMER_CTRL 0x08 +#define TIMER_CTRL_ONESHOT (1 << 0) +#define TIMER_CTRL_32BIT (1 << 1) +#define TIMER_CTRL_DIV1 (0 << 2) +#define TIMER_CTRL_DIV16 (1 << 2) +#define TIMER_CTRL_DIV256 (2 << 2) +#define TIMER_CTRL_IE (1 << 5) /* Interrupt Enable (versatile only) */ +#define TIMER_CTRL_PERIODIC (1 << 6) +#define TIMER_CTRL_ENABLE (1 << 7) + +#define TIMER_INTCLR 0x0c +#define TIMER_RIS 0x10 +#define TIMER_MIS 0x14 +#define TIMER_BGLOAD 0x18 + +#endif diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index 3d0d2860b6db..cdf49f442fd2 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -290,7 +290,6 @@ do { \ }) #ifdef CONFIG_SMP -#error SMP not supported #define smp_mb() mb() #define smp_rmb() rmb() @@ -304,6 +303,8 @@ do { \ #define smp_wmb() barrier() #define smp_read_barrier_depends() do { } while(0) +#endif /* CONFIG_SMP */ + #if defined(CONFIG_CPU_SA1100) || defined(CONFIG_CPU_SA110) /* * On the StrongARM, "swp" is terminally broken since it bypasses the @@ -316,9 +317,16 @@ do { \ * * We choose (1) since its the "easiest" to achieve here and is not * dependent on the processor type. + * + * NOTE that this solution won't work on an SMP system, so explcitly + * forbid it here. */ +#ifdef CONFIG_SMP +#error SMP is not supported on SA1100/SA110 +#else #define swp_is_buggy #endif +#endif static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size) { @@ -361,8 +369,6 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size return ret; } -#endif /* CONFIG_SMP */ - #endif /* __ASSEMBLY__ */ #define arch_align_stack(x) (x) diff --git a/include/asm-arm/tlbflush.h b/include/asm-arm/tlbflush.h index 8a864b118569..9387a5e1ffe0 100644 --- a/include/asm-arm/tlbflush.h +++ b/include/asm-arm/tlbflush.h @@ -235,7 +235,7 @@ extern struct cpu_tlb_fns cpu_tlb; #define tlb_flag(f) ((always_tlb_flags & (f)) || (__tlb_flag & possible_tlb_flags & (f))) -static inline void flush_tlb_all(void) +static inline void local_flush_tlb_all(void) { const int zero = 0; const unsigned int __tlb_flag = __cpu_tlb_flags; @@ -253,7 +253,7 @@ static inline void flush_tlb_all(void) asm("mcr%? p15, 0, %0, c8, c5, 0" : : "r" (zero)); } -static inline void flush_tlb_mm(struct mm_struct *mm) +static inline void local_flush_tlb_mm(struct mm_struct *mm) { const int zero = 0; const int asid = ASID(mm); @@ -282,7 +282,7 @@ static inline void flush_tlb_mm(struct mm_struct *mm) } static inline void -flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr) +local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr) { const int zero = 0; const unsigned int __tlb_flag = __cpu_tlb_flags; @@ -313,7 +313,7 @@ flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr) asm("mcr%? p15, 0, %0, c8, c5, 1" : : "r" (uaddr)); } -static inline void flush_tlb_kernel_page(unsigned long kaddr) +static inline void local_flush_tlb_kernel_page(unsigned long kaddr) { const int zero = 0; const unsigned int __tlb_flag = __cpu_tlb_flags; @@ -384,8 +384,24 @@ static inline void clean_pmd_entry(pmd_t *pmd) /* * Convert calls to our calling convention. */ -#define flush_tlb_range(vma,start,end) __cpu_flush_user_tlb_range(start,end,vma) -#define flush_tlb_kernel_range(s,e) __cpu_flush_kern_tlb_range(s,e) +#define local_flush_tlb_range(vma,start,end) __cpu_flush_user_tlb_range(start,end,vma) +#define local_flush_tlb_kernel_range(s,e) __cpu_flush_kern_tlb_range(s,e) + +#ifndef CONFIG_SMP +#define flush_tlb_all local_flush_tlb_all +#define flush_tlb_mm local_flush_tlb_mm +#define flush_tlb_page local_flush_tlb_page +#define flush_tlb_kernel_page local_flush_tlb_kernel_page +#define flush_tlb_range local_flush_tlb_range +#define flush_tlb_kernel_range local_flush_tlb_kernel_range +#else +extern void flush_tlb_all(void); +extern void flush_tlb_mm(struct mm_struct *mm); +extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr); +extern void flush_tlb_kernel_page(unsigned long kaddr); +extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); +extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); +#endif /* * if PG_dcache_dirty is set for the page, we need to ensure that any |
