Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 1 | /* |
| 2 | * arch/arm/mach-kirkwood/include/mach/io.h |
| 3 | * |
| 4 | * This file is licensed under the terms of the GNU General Public |
| 5 | * License version 2. This program is licensed "as is" without any |
| 6 | * warranty of any kind, whether express or implied. |
| 7 | */ |
| 8 | |
| 9 | #ifndef __ASM_ARCH_IO_H |
| 10 | #define __ASM_ARCH_IO_H |
| 11 | |
| 12 | #include "kirkwood.h" |
| 13 | |
| 14 | #define IO_SPACE_LIMIT 0xffffffff |
| 15 | |
| 16 | static inline void __iomem *__io(unsigned long addr) |
| 17 | { |
| 18 | return (void __iomem *)((addr - KIRKWOOD_PCIE_IO_PHYS_BASE) |
| 19 | + KIRKWOOD_PCIE_IO_VIRT_BASE); |
| 20 | } |
| 21 | |
Nicolas Pitre | 797b2c8 | 2009-05-26 22:06:25 -0400 | [diff] [blame] | 22 | static inline void __iomem * |
| 23 | __arch_ioremap(unsigned long paddr, size_t size, unsigned int mtype) |
| 24 | { |
| 25 | void __iomem *retval; |
| 26 | unsigned long offs = paddr - KIRKWOOD_REGS_PHYS_BASE; |
| 27 | if (mtype == MT_DEVICE && size && offs < KIRKWOOD_REGS_SIZE && |
| 28 | size <= KIRKWOOD_REGS_SIZE && offs + size <= KIRKWOOD_REGS_SIZE) { |
| 29 | retval = (void __iomem *)KIRKWOOD_REGS_VIRT_BASE + offs; |
| 30 | } else { |
| 31 | retval = __arm_ioremap(paddr, size, mtype); |
| 32 | } |
| 33 | |
| 34 | return retval; |
| 35 | } |
| 36 | |
| 37 | static inline void |
| 38 | __arch_iounmap(void __iomem *addr) |
| 39 | { |
| 40 | if (addr < (void __iomem *)KIRKWOOD_REGS_VIRT_BASE || |
| 41 | addr >= (void __iomem *)(KIRKWOOD_REGS_VIRT_BASE + KIRKWOOD_REGS_SIZE)) |
| 42 | __iounmap(addr); |
| 43 | } |
| 44 | |
| 45 | #define __arch_ioremap(p, s, m) __arch_ioremap(p, s, m) |
| 46 | #define __arch_iounmap(a) __arch_iounmap(a) |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 47 | #define __io(a) __io(a) |
| 48 | #define __mem_pci(a) (a) |
| 49 | |
| 50 | |
| 51 | #endif |