/* * include/asm-arm/arch-orion5x/io.h * * Tzachi Perelstein <tzachi@marvell.com> * * 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 #include "orion5x.h" #define IO_SPACE_LIMIT 0xffffffff #define IO_SPACE_REMAP ORION5X_PCI_SYS_IO_BASE static inline void __iomem * __arch_ioremap(unsigned long paddr, size_t size, unsigned int mtype) { void __iomem *retval; if (mtype == MT_DEVICE && size && paddr >= ORION5X_REGS_PHYS_BASE && paddr + size <= ORION5X_REGS_PHYS_BASE + ORION5X_REGS_SIZE) { retval = (void __iomem *)ORION5X_REGS_VIRT_BASE + (paddr - ORION5X_REGS_PHYS_BASE); } else { retval = __arm_ioremap(paddr, size, mtype); } return retval; } static inline void __arch_iounmap(void __iomem *addr) { if (addr < (void __iomem *)ORION5X_REGS_VIRT_BASE || addr >= (void __iomem *)(ORION5X_REGS_VIRT_BASE + ORION5X_REGS_SIZE)) __iounmap(addr); } static inline void __iomem *__io(unsigned long addr) { return (void __iomem *)addr; } #define __arch_ioremap(p, s, m) __arch_ioremap(p, s, m) #define __arch_iounmap(a) __arch_iounmap(a) #define __io(a) __io(a) #define __mem_pci(a) (a) /***************************************************************************** * Helpers to access Orion registers ****************************************************************************/ #define orion5x_read(r) __raw_readl(r) #define orion5x_write(r, val) __raw_writel(val, r) /* * These are not preempt-safe. Locks, if needed, must be taken * care of by the caller. */ #define orion5x_setbits(r, mask) orion5x_write((r), orion5x_read(r) | (mask)) #define orion5x_clrbits(r, mask) orion5x_write((r), orion5x_read(r) & ~(mask)) #endif