diff options
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/delay.h | 16 | ||||
| -rw-r--r-- | arch/arm/include/asm/io.h | 31 | ||||
| -rw-r--r-- | arch/arm/include/asm/mach/map.h | 4 | ||||
| -rw-r--r-- | arch/arm/include/asm/pgtable.h | 7 |
4 files changed, 56 insertions, 2 deletions
diff --git a/arch/arm/include/asm/delay.h b/arch/arm/include/asm/delay.h index b1ce037..1445b0c 100644 --- a/arch/arm/include/asm/delay.h +++ b/arch/arm/include/asm/delay.h @@ -57,6 +57,22 @@ extern void __bad_udelay(void); __const_udelay((n) * UDELAY_MULT)) : \ __udelay(n)) +#define spin_event_timeout(condition, timeout, delay) \ +({ \ + typeof(condition) __ret; \ + int i = 0; \ + while (!(__ret = (condition)) && (i++ < timeout)) { \ + if (delay) \ + udelay(delay); \ + else \ + cpu_relax(); \ + udelay(1); \ + } \ + if (!__ret) \ + __ret = (condition); \ + __ret; \ +}) + /* Loop-based definitions for assembly code. */ extern void __loop_delay(unsigned long loops); extern void __loop_udelay(unsigned long usecs); diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 021692c..172a4f2 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -129,6 +129,7 @@ static inline u32 __raw_readl(const volatile void __iomem *addr) #define MT_DEVICE_NONSHARED 1 #define MT_DEVICE_CACHED 2 #define MT_DEVICE_WC 3 +#define MT_MEMORY_RW_NS 4 /* * types 4 onwards can be found in asm/mach/map.h and are undefined * for ioremap @@ -220,6 +221,34 @@ extern int pci_ioremap_io(unsigned int offset, phys_addr_t phys_addr); #endif #endif +/* access ports */ +#define setbits32(_addr, _v) iowrite32be(ioread32be(_addr) | (_v), (_addr)) +#define clrbits32(_addr, _v) iowrite32be(ioread32be(_addr) & ~(_v), (_addr)) + +#define setbits16(_addr, _v) iowrite16be(ioread16be(_addr) | (_v), (_addr)) +#define clrbits16(_addr, _v) iowrite16be(ioread16be(_addr) & ~(_v), (_addr)) + +#define setbits8(_addr, _v) iowrite8(ioread8(_addr) | (_v), (_addr)) +#define clrbits8(_addr, _v) iowrite8(ioread8(_addr) & ~(_v), (_addr)) + +/* Clear and set bits in one shot. These macros can be used to clear and + * set multiple bits in a register using a single read-modify-write. These + * macros can also be used to set a multiple-bit bit pattern using a mask, + * by specifying the mask in the 'clear' parameter and the new bit pattern + * in the 'set' parameter. + */ + +#define clrsetbits_be32(addr, clear, set) \ + iowrite32be((ioread32be(addr) & ~(clear)) | (set), (addr)) +#define clrsetbits_le32(addr, clear, set) \ + iowrite32le((ioread32le(addr) & ~(clear)) | (set), (addr)) +#define clrsetbits_be16(addr, clear, set) \ + iowrite16be((ioread16be(addr) & ~(clear)) | (set), (addr)) +#define clrsetbits_le16(addr, clear, set) \ + iowrite16le((ioread16le(addr) & ~(clear)) | (set), (addr)) +#define clrsetbits_8(addr, clear, set) \ + iowrite8((ioread8(addr) & ~(clear)) | (set), (addr)) + /* * IO port access primitives * ------------------------- @@ -408,6 +437,8 @@ void __iomem *ioremap_wc(resource_size_t res_cookie, size_t size); #define ioremap_wc ioremap_wc #define ioremap_wt ioremap_wc +void __iomem *ioremap_cache_ns(resource_size_t res_cookie, size_t size); + void iounmap(volatile void __iomem *iomem_cookie); #define iounmap iounmap diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h index 9b7c328..27f3df7 100644 --- a/arch/arm/include/asm/mach/map.h +++ b/arch/arm/include/asm/mach/map.h @@ -21,9 +21,9 @@ struct map_desc { unsigned int type; }; -/* types 0-3 are defined in asm/io.h */ +/* types 0-4 are defined in asm/io.h */ enum { - MT_UNCACHED = 4, + MT_UNCACHED = 5, MT_CACHECLEAN, MT_MINICLEAN, MT_LOW_VECTORS, diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index a8d656d..4ab57b3 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h @@ -118,6 +118,13 @@ extern pgprot_t pgprot_s2_device; #define pgprot_noncached(prot) \ __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_UNCACHED) +#define pgprot_cached(prot) \ + __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_DEV_CACHED) + +#define pgprot_cached_ns(prot) \ + __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_DEV_CACHED | \ + L_PTE_MT_DEV_NONSHARED) + #define pgprot_writecombine(prot) \ __pgprot_modify(prot, L_PTE_MT_MASK, L_PTE_MT_BUFFERABLE) |