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- /*
- * 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_v2p(va) ((va) - IO_OFFSET)
- #define __IO_ADDRESS(x) ((x) + IO_OFFSET)
- /*
- * 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)
- #define IO_ADDRESS(pa) IOMEM(__IO_ADDRESS(pa))
- #ifdef __ASSEMBLER__
- #define IOMEM(x) x
- #else
- #define IOMEM(x) ((void __force __iomem *)(x))
- /*
- * 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) __raw_readb(IO_ADDRESS(a))
- #define davinci_readw(a) __raw_readw(IO_ADDRESS(a))
- #define davinci_readl(a) __raw_readl(IO_ADDRESS(a))
- #define davinci_writeb(v, a) __raw_writeb(v, IO_ADDRESS(a))
- #define davinci_writew(v, a) __raw_writew(v, IO_ADDRESS(a))
- #define davinci_writel(v, a) __raw_writel(v, IO_ADDRESS(a))
- #endif /* __ASSEMBLER__ */
- #endif /* __ASM_ARCH_IO_H */
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