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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-08 11:38:42 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-08 11:38:42 -0700 |
commit | 49b75b87ce2dfbd99e59a50c3681b154d07e3a22 (patch) | |
tree | f14e1da19a13d87a512f9043c2f37fd75dd122b3 /arch/arm/mach-orion5x/include/mach/io.h | |
parent | f1c7f79b6ab4f7ada002a0fae47f462ede6b6857 (diff) | |
parent | 097d9eb537ff4d88b74c3fe67392e27c478ca3c5 (diff) | |
download | op-kernel-dev-49b75b87ce2dfbd99e59a50c3681b154d07e3a22.zip op-kernel-dev-49b75b87ce2dfbd99e59a50c3681b154d07e3a22.tar.gz |
Merge branch 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 5177/1: arm/mach-sa1100/Makefile: remove CONFIG_SA1100_USB
[ARM] 5166/1: magician: add MAINTAINERS entry
[ARM] fix pnx4008 build errors
[ARM] Fix SMP booting with non-zero PHYS_OFFSET
[ARM] 5185/1: Fix spi num_chipselect for lubbock
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
[ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include
[ARM] Remove asm/hardware.h, use asm/arch/hardware.h instead
[ARM] Eliminate useless includes of asm/mach-types.h
[ARM] Fix circular include dependency with IRQ headers
avr32: Use <mach/foo.h> instead of <asm/arch/foo.h>
avr32: Introduce arch/avr32/mach-*/include/mach
avr32: Move include/asm-avr32 to arch/avr32/include/asm
[ARM] sa1100_wdt: use reset_status to remember watchdog reset status
[ARM] pxa: introduce reset_status and clear_reset_status for driver's usage
[ARM] pxa: introduce reset.h for reset specific header information
Diffstat (limited to 'arch/arm/mach-orion5x/include/mach/io.h')
-rw-r--r-- | arch/arm/mach-orion5x/include/mach/io.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/include/mach/io.h b/arch/arm/mach-orion5x/include/mach/io.h new file mode 100644 index 0000000..f24b251 --- /dev/null +++ b/arch/arm/mach-orion5x/include/mach/io.h @@ -0,0 +1,63 @@ +/* + * arch/arm/mach-orion5x/include/mach/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 + +static inline void __iomem * +__arch_ioremap(unsigned long paddr, size_t size, unsigned int mtype) +{ + void __iomem *retval; + unsigned long offs = paddr - ORION5X_REGS_PHYS_BASE; + if (mtype == MT_DEVICE && size && offs < ORION5X_REGS_SIZE && + size <= ORION5X_REGS_SIZE && offs + size <= ORION5X_REGS_SIZE) { + retval = (void __iomem *)ORION5X_REGS_VIRT_BASE + offs; + } 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 + ****************************************************************************/ +/* + * These are not preempt-safe. Locks, if needed, must be taken + * care of by the caller. + */ +#define orion5x_setbits(r, mask) writel(readl(r) | (mask), (r)) +#define orion5x_clrbits(r, mask) writel(readl(r) & ~(mask), (r)) + + +#endif |