X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-sh64%2Fio.h;h=7bd7314d38c209e12fc36bf9bfb4abafc8b1086a;hb=b3d9d6be035a7d1cc6740cee695301bf37caedcd;hp=1f37b6931922fe3dc73a0ace95558e447e86cbec;hpb=53fdc5185c994ad6def3729a905ac4a47c477c9d;p=linux-2.6 diff --git a/include/asm-sh64/io.h b/include/asm-sh64/io.h index 1f37b69319..7bd7314d38 100644 --- a/include/asm-sh64/io.h +++ b/include/asm-sh64/io.h @@ -119,6 +119,13 @@ void insw(unsigned long port, void *addr, unsigned long count); void outsl(unsigned long port, const void *addr, unsigned long count); void insl(unsigned long port, void *addr, unsigned long count); +#define inb_p(addr) inb(addr) +#define inw_p(addr) inw(addr) +#define inl_p(addr) inl(addr) +#define outb_p(x,addr) outb(x,addr) +#define outw_p(x,addr) outw(x,addr) +#define outl_p(x,addr) outl(x,addr) + #define __raw_readb readb #define __raw_readw readw #define __raw_readl readl @@ -174,54 +181,6 @@ extern void iounmap(void *addr); unsigned long onchip_remap(unsigned long addr, unsigned long size, const char* name); extern void onchip_unmap(unsigned long vaddr); -/* - * The caches on some architectures aren't dma-coherent and have need to - * handle this in software. There are three types of operations that - * can be applied to dma buffers. - * - * - dma_cache_wback_inv(start, size) makes caches and RAM coherent by - * writing the content of the caches back to memory, if necessary. - * The function also invalidates the affected part of the caches as - * necessary before DMA transfers from outside to memory. - * - dma_cache_inv(start, size) invalidates the affected parts of the - * caches. Dirty lines of the caches may be written back or simply - * be discarded. This operation is necessary before dma operations - * to the memory. - * - dma_cache_wback(start, size) writes back any dirty lines but does - * not invalidate the cache. This can be used before DMA reads from - * memory, - */ - -static __inline__ void dma_cache_wback_inv (unsigned long start, unsigned long size) -{ - unsigned long s = start & L1_CACHE_ALIGN_MASK; - unsigned long e = (start + size) & L1_CACHE_ALIGN_MASK; - - for (; s <= e; s += L1_CACHE_BYTES) - asm volatile ("ocbp %0, 0" : : "r" (s)); -} - -static __inline__ void dma_cache_inv (unsigned long start, unsigned long size) -{ - // Note that caller has to be careful with overzealous - // invalidation should there be partial cache lines at the extremities - // of the specified range - unsigned long s = start & L1_CACHE_ALIGN_MASK; - unsigned long e = (start + size) & L1_CACHE_ALIGN_MASK; - - for (; s <= e; s += L1_CACHE_BYTES) - asm volatile ("ocbi %0, 0" : : "r" (s)); -} - -static __inline__ void dma_cache_wback (unsigned long start, unsigned long size) -{ - unsigned long s = start & L1_CACHE_ALIGN_MASK; - unsigned long e = (start + size) & L1_CACHE_ALIGN_MASK; - - for (; s <= e; s += L1_CACHE_BYTES) - asm volatile ("ocbwb %0, 0" : : "r" (s)); -} - /* * Convert a physical pointer to a virtual kernel pointer for /dev/mem * access