diff options
Diffstat (limited to 'include/asm-blackfin/io.h')
| -rw-r--r-- | include/asm-blackfin/io.h | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/include/asm-blackfin/io.h b/include/asm-blackfin/io.h deleted file mode 100644 index cbbf7ffdbbf..00000000000 --- a/include/asm-blackfin/io.h +++ /dev/null @@ -1,212 +0,0 @@ -#ifndef _BFIN_IO_H -#define _BFIN_IO_H - -#ifdef __KERNEL__ - -#ifndef __ASSEMBLY__ -#include <linux/types.h> -#endif -#include <linux/compiler.h> - -/* - * These are for ISA/PCI shared memory _only_ and should never be used - * on any other type of memory, including Zorro memory. They are meant to - * access the bus in the bus byte order which is little-endian!. - * - * readX/writeX() are used to access memory mapped devices. On some - * architectures the memory mapped IO stuff needs to be accessed - * differently. On the bfin architecture, we just read/write the - * memory location directly. - */ -#ifndef __ASSEMBLY__ - -static inline unsigned char readb(const volatile void __iomem *addr) -{ - unsigned int val; - int tmp; - - __asm__ __volatile__ ("cli %1;\n\t" - "NOP; NOP; SSYNC;\n\t" - "%0 = b [%2] (z);\n\t" - "sti %1;\n\t" - : "=d"(val), "=d"(tmp): "a"(addr) - ); - - return (unsigned char) val; -} - -static inline unsigned short readw(const volatile void __iomem *addr) -{ - unsigned int val; - int tmp; - - __asm__ __volatile__ ("cli %1;\n\t" - "NOP; NOP; SSYNC;\n\t" - "%0 = w [%2] (z);\n\t" - "sti %1;\n\t" - : "=d"(val), "=d"(tmp): "a"(addr) - ); - - return (unsigned short) val; -} - -static inline unsigned int readl(const volatile void __iomem *addr) -{ - unsigned int val; - int tmp; - - __asm__ __volatile__ ("cli %1;\n\t" - "NOP; NOP; SSYNC;\n\t" - "%0 = [%2];\n\t" - "sti %1;\n\t" - : "=d"(val), "=d"(tmp): "a"(addr) - ); - return val; -} - -#endif /* __ASSEMBLY__ */ - -#define writeb(b,addr) (void)((*(volatile unsigned char *) (addr)) = (b)) -#define writew(b,addr) (void)((*(volatile unsigned short *) (addr)) = (b)) -#define writel(b,addr) (void)((*(volatile unsigned int *) (addr)) = (b)) - -#define __raw_readb readb -#define __raw_readw readw -#define __raw_readl readl -#define __raw_writeb writeb -#define __raw_writew writew -#define __raw_writel writel -#define memset_io(a,b,c) memset((void *)(a),(b),(c)) -#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c)) -#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c)) - -#define inb(addr) readb(addr) -#define inw(addr) readw(addr) -#define inl(addr) readl(addr) -#define outb(x,addr) ((void) writeb(x,addr)) -#define outw(x,addr) ((void) writew(x,addr)) -#define outl(x,addr) ((void) writel(x,addr)) - -#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 ioread8_rep(a,d,c) insb(a,d,c) -#define ioread16_rep(a,d,c) insw(a,d,c) -#define ioread32_rep(a,d,c) insl(a,d,c) -#define iowrite8_rep(a,s,c) outsb(a,s,c) -#define iowrite16_rep(a,s,c) outsw(a,s,c) -#define iowrite32_rep(a,s,c) outsl(a,s,c) - -#define ioread8(X) readb(X) -#define ioread16(X) readw(X) -#define ioread32(X) readl(X) -#define iowrite8(val,X) writeb(val,X) -#define iowrite16(val,X) writew(val,X) -#define iowrite32(val,X) writel(val,X) - -#define IO_SPACE_LIMIT 0xffffffff - -/* Values for nocacheflag and cmode */ -#define IOMAP_NOCACHE_SER 1 - -#ifndef __ASSEMBLY__ - -extern void outsb(unsigned long port, const void *addr, unsigned long count); -extern void outsw(unsigned long port, const void *addr, unsigned long count); -extern void outsw_8(unsigned long port, const void *addr, unsigned long count); -extern void outsl(unsigned long port, const void *addr, unsigned long count); - -extern void insb(unsigned long port, void *addr, unsigned long count); -extern void insw(unsigned long port, void *addr, unsigned long count); -extern void insw_8(unsigned long port, void *addr, unsigned long count); -extern void insl(unsigned long port, void *addr, unsigned long count); -extern void insl_16(unsigned long port, void *addr, unsigned long count); - -extern void dma_outsb(unsigned long port, const void *addr, unsigned short count); -extern void dma_outsw(unsigned long port, const void *addr, unsigned short count); -extern void dma_outsl(unsigned long port, const void *addr, unsigned short count); - -extern void dma_insb(unsigned long port, void *addr, unsigned short count); -extern void dma_insw(unsigned long port, void *addr, unsigned short count); -extern void dma_insl(unsigned long port, void *addr, unsigned short count); - -/* - * Map some physical address range into the kernel address space. - */ -static inline void __iomem *__ioremap(unsigned long physaddr, unsigned long size, - int cacheflag) -{ - return (void __iomem *)physaddr; -} - -/* - * Unmap a ioremap()ed region again - */ -static inline void iounmap(void *addr) -{ -} - -/* - * __iounmap unmaps nearly everything, so be careful - * it doesn't free currently pointer/page tables anymore but it - * wans't used anyway and might be added later. - */ -static inline void __iounmap(void *addr, unsigned long size) -{ -} - -/* - * Set new cache mode for some kernel address space. - * The caller must push data for that range itself, if such data may already - * be in the cache. - */ -static inline void kernel_set_cachemode(void *addr, unsigned long size, - int cmode) -{ -} - -static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_NOCACHE_SER); -} -static inline void __iomem *ioremap_nocache(unsigned long physaddr, - unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_NOCACHE_SER); -} - -extern void blkfin_inv_cache_all(void); - -#endif - -#define ioport_map(port, nr) ((void __iomem*)(port)) -#define ioport_unmap(addr) - -/* Pages to physical address... */ -#define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT) -#define page_to_bus(page) ((page - mem_map) << PAGE_SHIFT) - -#define phys_to_virt(vaddr) ((void *) (vaddr)) -#define virt_to_phys(vaddr) ((unsigned long) (vaddr)) - -#define virt_to_bus virt_to_phys -#define bus_to_virt phys_to_virt - -/* - * Convert a physical pointer to a virtual kernel pointer for /dev/mem - * access - */ -#define xlate_dev_mem_ptr(p) __va(p) - -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - -#endif /* __KERNEL__ */ - -#endif /* _BFIN_IO_H */ |