| /* |
| * 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 __io(a) __typesafe_io(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 */ |
