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Diffstat (limited to 'include/asm-arm/arch-davinci/io.h')
-rw-r--r-- | include/asm-arm/arch-davinci/io.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/include/asm-arm/arch-davinci/io.h b/include/asm-arm/arch-davinci/io.h deleted file mode 100644 index e7accb910864..000000000000 --- a/include/asm-arm/arch-davinci/io.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * DaVinci IO address definitions - * - * Copied from include/asm/arm/arch-omap/io.h - * - * 2007 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ -#ifndef __ASM_ARCH_IO_H -#define __ASM_ARCH_IO_H - -#define IO_SPACE_LIMIT 0xffffffff - -/* - * ---------------------------------------------------------------------------- - * I/O mapping - * ---------------------------------------------------------------------------- - */ -#define IO_PHYS 0x01c00000 -#define IO_OFFSET 0xfd000000 /* Virtual IO = 0xfec00000 */ -#define IO_SIZE 0x00400000 -#define IO_VIRT (IO_PHYS + IO_OFFSET) -#define io_p2v(pa) ((pa) + IO_OFFSET) -#define io_v2p(va) ((va) - IO_OFFSET) -#define IO_ADDRESS(x) io_p2v(x) - -/* - * 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 PCIO_BASE 0 -#define __io(a) ((void __iomem *)(PCIO_BASE + (a))) -#define __mem_pci(a) (a) -#define __mem_isa(a) (a) - -#ifndef __ASSEMBLER__ - -/* - * Functions to access the DaVinci IO region - * - * NOTE: - Use davinci_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 davinci_readb(a) (*(volatile unsigned char *)IO_ADDRESS(a)) -#define davinci_readw(a) (*(volatile unsigned short *)IO_ADDRESS(a)) -#define davinci_readl(a) (*(volatile unsigned int *)IO_ADDRESS(a)) - -#define davinci_writeb(v,a) (*(volatile unsigned char *)IO_ADDRESS(a) = (v)) -#define davinci_writew(v,a) (*(volatile unsigned short *)IO_ADDRESS(a) = (v)) -#define davinci_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 __REG(paddr) __REGV32(io_p2v(paddr)) -#else - -#define __REG(x) (*((volatile unsigned long *)io_p2v(x))) - -#endif /* __ASSEMBLER__ */ -#endif /* __ASM_ARCH_IO_H */ |