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Diffstat (limited to 'include/asm-blackfin/io-kernel.h')
| -rw-r--r-- | include/asm-blackfin/io-kernel.h | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/include/asm-blackfin/io-kernel.h b/include/asm-blackfin/io-kernel.h deleted file mode 100644 index 5d0ad06184..0000000000 --- a/include/asm-blackfin/io-kernel.h +++ /dev/null @@ -1,138 +0,0 @@ -/* - * U-boot - io-kernel.h - * - * Copyright (c) 2005-2007 Analog Devices Inc. - * - * (C) Copyright 2000-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, - * MA 02110-1301 USA - */ - -#ifndef _BLACKFIN_IO_H -#define _BLACKFIN_IO_H - -#ifdef __KERNEL__ - -#include <linux/config.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 m68k architecture, we just read/write the - * memory location directly. - */ -/* ++roman: The assignments to temp. vars avoid that gcc sometimes generates - * two accesses to memory, which may be undesireable for some devices. - */ -#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) (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) cf_inb((volatile unsigned char*)(addr)) -#define inw(addr) readw(addr) -#define inl(addr) readl(addr) -#define outb(x,addr) cf_outb((unsigned char)(x), (volatile unsigned char*)(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 insb(port, addr, count) memcpy((void*)addr, (void*)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*)port, (4*count)) -#define outsb(port, addr, count) memcpy((void*)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*)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 - -#ifndef __ASSEMBLY__ -extern void *__ioremap(unsigned long physaddr, unsigned long size, - int cacheflag); -extern void __iounmap(void *addr, unsigned long size); -extern inline void *ioremap(unsigned long physaddr, unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_NOCACHE_SER); -} -extern inline void *ioremap_nocache(unsigned long physaddr, unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_NOCACHE_SER); -} -extern inline void *ioremap_writethrough(unsigned long physaddr, - unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_WRITETHROUGH); -} -extern inline void *ioremap_fullcache(unsigned long physaddr, - unsigned long size) -{ - return __ioremap(physaddr, size, IOMAP_FULL_CACHING); -} - -extern void iounmap(void *addr); - -/* Nothing to do */ - -extern void blkfin_inv_cache_all(void); - -#endif - -#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) - -/* 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 mm_ptov(vaddr) ((void *) (vaddr)) -#define mm_vtop(vaddr) ((unsigned long) (vaddr)) -#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 - -#endif - -#endif |
