diff options
Diffstat (limited to 'include/asm-blackfin/io.h')
| -rw-r--r-- | include/asm-blackfin/io.h | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/include/asm-blackfin/io.h b/include/asm-blackfin/io.h deleted file mode 100644 index 75244a0731..0000000000 --- a/include/asm-blackfin/io.h +++ /dev/null @@ -1,227 +0,0 @@ -/* - * U-boot - io.h IO routines - * - * Copyright 2004-2009 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#ifndef _BLACKFIN_IO_H -#define _BLACKFIN_IO_H - -#ifdef __KERNEL__ - -#include <asm/blackfin.h> - -#define __iomem - -static inline void sync(void) -{ - SSYNC(); -} - -/* - * Given a physical address and a length, return a virtual address - * that can be used to access the memory range with the caching - * properties specified by "flags". - */ -#define MAP_NOCACHE (0) -#define MAP_WRCOMBINE (0) -#define MAP_WRBACK (0) -#define MAP_WRTHROUGH (0) - -static inline void * -map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) -{ - return (void *)paddr; -} - -/* - * Take down a mapping set up by map_physmem(). - */ -static inline void unmap_physmem(void *vaddr, unsigned long flags) -{ - -} - -static inline phys_addr_t virt_to_phys(void * vaddr) -{ - return (phys_addr_t)(vaddr); -} - -/* - * 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;" - "NOP; NOP; SSYNC;" - "%0 = b [%2] (z);" - "sti %1;" - : "=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;" - "NOP; NOP; SSYNC;" - "%0 = w [%2] (z);" - "sti %1;" - : "=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;" - "NOP; NOP; SSYNC;" - "%0 = [%2];" - "sti %1;" - : "=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)) - -/* Convert "I/O port addresses" to actual addresses. i.e. ugly casts. */ -#define __io(port) ((void *)(unsigned long)(port)) - -#define inb(port) readb(__io(port)) -#define inw(port) readw(__io(port)) -#define inl(port) readl(__io(port)) -#define outb(x, port) writeb(x, __io(port)) -#define outw(x, port) writew(x, __io(port)) -#define outl(x, port) writel(x, __io(port)) - -#define inb_p(port) inb(__io(port)) -#define inw_p(port) inw(__io(port)) -#define inl_p(port) inl(__io(port)) -#define outb_p(x, port) outb(x, __io(port)) -#define outw_p(x, port) outw(x, __io(port)) -#define outl_p(x, port) outl(x, __io(port)) - -#define ioread8_rep(a, d, c) readsb(a, d, c) -#define ioread16_rep(a, d, c) readsw(a, d, c) -#define ioread32_rep(a, d, c) readsl(a, d, c) -#define iowrite8_rep(a, s, c) writesb(a, s, c) -#define iowrite16_rep(a, s, c) writesw(a, s, c) -#define iowrite32_rep(a, s, c) writesl(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 mmiowb() wmb() - -#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); - -static inline void readsl(const void __iomem *addr, void *buf, int len) -{ - insl((unsigned long)addr, buf, len); -} - -static inline void readsw(const void __iomem *addr, void *buf, int len) -{ - insw((unsigned long)addr, buf, len); -} - -static inline void readsb(const void __iomem *addr, void *buf, int len) -{ - insb((unsigned long)addr, buf, len); -} - -static inline void writesl(const void __iomem *addr, const void *buf, int len) -{ - outsl((unsigned long)addr, buf, len); -} - -static inline void writesw(const void __iomem *addr, const void *buf, int len) -{ - outsw((unsigned long)addr, buf, len); -} - -static inline void writesb(const void __iomem *addr, const void *buf, int len) -{ - outsb((unsigned long)addr, buf, len); -} - -#if defined(CONFIG_STAMP_CF) || defined(CONFIG_BFIN_IDE) -/* This hack for CF/IDE needs to be addressed at some point */ -extern void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words); -extern void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words); -extern unsigned char cf_inb(volatile unsigned char *addr); -extern void cf_outb(unsigned char val, volatile unsigned char *addr); -#undef inb -#undef outb -#undef insw -#undef outsw -#define inb(addr) cf_inb((void *)(addr)) -#define outb(x, addr) cf_outb((unsigned char)(x), (void *)(addr)) -#define insw(port, addr, cnt) cf_insw((void *)(addr), (void *)(port), cnt) -#define outsw(port, addr, cnt) cf_outsw((void *)(port), (void *)(addr), cnt) -#endif - -#endif - -#endif /* __KERNEL__ */ - -#endif |
