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Diffstat (limited to 'include/asm-arm/arch-omap/io.h')
| -rw-r--r-- | include/asm-arm/arch-omap/io.h | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/include/asm-arm/arch-omap/io.h b/include/asm-arm/arch-omap/io.h deleted file mode 100644 index 1c8c9fcc766..00000000000 --- a/include/asm-arm/arch-omap/io.h +++ /dev/null @@ -1,107 +0,0 @@ -/* - * linux/include/asm-arm/arch-omap/io.h - * - * IO definitions for TI OMAP processors and boards - * - * Copied from linux/include/asm-arm/arch-sa1100/io.h - * Copyright (C) 1997-1999 Russell King - * - * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Modifications: - * 06-12-1997 RMK Created. - * 07-04-1999 RMK Major cleanup - */ - -#ifndef __ASM_ARM_ARCH_IO_H -#define __ASM_ARM_ARCH_IO_H - -#define IO_SPACE_LIMIT 0xffffffff - -/* - * We don't actually have real ISA nor PCI buses, but there is so many - * drivers out there that might just work if we fake them... - */ -#define __io(a) ((void __iomem *)(PCIO_BASE + (a))) -#define __mem_pci(a) (a) -#define __mem_isa(a) (a) - -/* - * ---------------------------------------------------------------------------- - * I/O mapping - * ---------------------------------------------------------------------------- - */ -#define IO_PHYS 0xFFFB0000 -#define IO_OFFSET 0x01000000 /* Virtual IO = 0xfefb0000 */ -#define IO_VIRT (IO_PHYS - IO_OFFSET) -#define IO_SIZE 0x40000 -#define IO_ADDRESS(x) ((x) - IO_OFFSET) - -#define PCIO_BASE 0 - -#define io_p2v(x) ((x) - IO_OFFSET) -#define io_v2p(x) ((x) + IO_OFFSET) - -#ifndef __ASSEMBLER__ - -/* - * Functions to access the OMAP IO region - * - * NOTE: - Use omap_read/write[bwl] for physical register addresses - * - Use __raw_read/write[bwl]() for virtual register addresses - * - Use IO_ADDRESS(phys_addr) to convert registers to virtual addresses - * - DO NOT use hardcoded virtual addresses to allow changing the - * IO address space again if needed - */ -#define omap_readb(a) (*(volatile unsigned char *)IO_ADDRESS(a)) -#define omap_readw(a) (*(volatile unsigned short *)IO_ADDRESS(a)) -#define omap_readl(a) (*(volatile unsigned int *)IO_ADDRESS(a)) - -#define omap_writeb(v,a) (*(volatile unsigned char *)IO_ADDRESS(a) = (v)) -#define omap_writew(v,a) (*(volatile unsigned short *)IO_ADDRESS(a) = (v)) -#define omap_writel(v,a) (*(volatile unsigned int *)IO_ADDRESS(a) = (v)) - -/* 16 bit uses LDRH/STRH, base +/- offset_8 */ -typedef struct { volatile u16 offset[256]; } __regbase16; -#define __REGV16(vaddr) ((__regbase16 *)((vaddr)&~0xff)) \ - ->offset[((vaddr)&0xff)>>1] -#define __REG16(paddr) __REGV16(io_p2v(paddr)) - -/* 8/32 bit uses LDR/STR, base +/- offset_12 */ -typedef struct { volatile u8 offset[4096]; } __regbase8; -#define __REGV8(vaddr) ((__regbase8 *)((vaddr)&~4095)) \ - ->offset[((vaddr)&4095)>>0] -#define __REG8(paddr) __REGV8(io_p2v(paddr)) - -typedef struct { volatile u32 offset[4096]; } __regbase32; -#define __REGV32(vaddr) ((__regbase32 *)((vaddr)&~4095)) \ - ->offset[((vaddr)&4095)>>2] -#define __REG32(paddr) __REGV32(io_p2v(paddr)) - -#else - -#define __REG8(paddr) io_p2v(paddr) -#define __REG16(paddr) io_p2v(paddr) -#define __REG32(paddr) io_p2v(paddr) - -#endif - -#endif |
