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Diffstat (limited to 'arch/blackfin/include/asm/io.h')
-rw-r--r-- | arch/blackfin/include/asm/io.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h deleted file mode 100644 index 703104e1b8..0000000000 --- a/arch/blackfin/include/asm/io.h +++ /dev/null @@ -1,120 +0,0 @@ -/* - * barebox - io.h IO routines - * - * Copyright (c) 2005 blackfin.uclinux.org - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#ifndef _BLACKFIN_IO_H -#define _BLACKFIN_IO_H - -/* function prototypes for CF support */ -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); - -/* - * 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 m68k architecture, we just read/write the - * memory location directly. - */ - - -#define readb(addr) ({ unsigned char __v = (*(volatile unsigned char *) (addr));asm("ssync;"); __v; }) -#define readw(addr) ({ unsigned short __v = (*(volatile unsigned short *) (addr)); asm("ssync;");__v; }) -#define readl(addr) ({ unsigned int __v = (*(volatile unsigned int *) (addr));asm("ssync;"); __v; }) - -#define writeb(b,addr) {((*(volatile unsigned char *) (addr)) = (b)); asm("ssync;");} -#define writew(b,addr) {((*(volatile unsigned short *) (addr)) = (b)); asm("ssync;");} -#define writel(b,addr) {((*(volatile unsigned int *) (addr)) = (b)); asm("ssync;");} - -#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_p(addr) readb((addr) + BF533_PCIIO_BASE) -#define inb(addr) cf_inb((volatile unsigned char*)(addr)) - -#define outb(x,addr) cf_outb((unsigned char)(x), (volatile unsigned char*)(addr)) -#define outb_p(x,addr) outb(x, (addr) + BF533_PCIIO_BASE) - -#define inw(addr) readw((addr) + BF533_PCIIO_BASE) -#define inl(addr) readl((addr) + BF533_PCIIO_BASE) - -#define outw(x,addr) writew(x, (addr) + BF533_PCIIO_BASE) -#define outl(x,addr) writel(x, (addr) + BF533_PCIIO_BASE) - -#define insb(port, addr, count) memcpy((void*)addr, (void*)(BF533_PCIIO_BASE + port), count) -#define insw(port, addr, count) cf_insw((unsigned short*)addr, (unsigned short*)(port), (count)) -#define insl(port, addr, count) memcpy((void*)addr, (void*)(BF533_PCIIO_BASE + port), (4*count)) - -#define outsb(port,addr,count) memcpy((void*)(BF533_PCIIO_BASE + port), (void*)addr, count) -#define outsw(port,addr,count) cf_outsw((unsigned short*)(port), (unsigned short*)addr, (count)) -#define outsl(port,addr,count) memcpy((void*)(BF533_PCIIO_BASE + port), (void*)addr, (4*count)) - -#define IO_SPACE_LIMIT 0xffff - -/* Values for nocacheflag and cmode */ -#define IOMAP_FULL_CACHING 0 -#define IOMAP_NOCACHE_SER 1 -#define IOMAP_NOCACHE_NONSER 2 -#define IOMAP_WRITETHROUGH 3 - -extern void *__ioremap(unsigned long physaddr, unsigned long size, - int cacheflag); -extern void __iounmap(void *addr, unsigned long size); - -static inline void *ioremap(unsigned long physaddr, unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_NOCACHE_SER); -} -static inline void *ioremap_nocache(unsigned long physaddr, - unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_NOCACHE_SER); -} -static inline void *ioremap_writethrough(unsigned long physaddr, - unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_WRITETHROUGH); -} -static inline void *ioremap_fullcache(unsigned long physaddr, - unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_FULL_CACHING); -} - -extern void iounmap(void *addr); - -extern void blkfin_inv_cache_all(void); -#define dma_cache_inv(_start,_size) do { blkfin_inv_cache_all();} while (0) -#define dma_cache_wback(_start,_size) do { } while (0) -#define dma_cache_wback_inv(_start,_size) do { blkfin_inv_cache_all();} while (0) - -#endif |