arch/arm/mach-tegra/apbio.h

   1 /*
   2  * Copyright (C) 2010 NVIDIA Corporation.
   3  * Copyright (C) 2010 Google, Inc.
   4  *
   5  * This software is licensed under the terms of the GNU General Public
   6  * License version 2, as published by the Free Software Foundation, and
   7  * may be copied, distributed, and modified under those terms.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  */
  15
  16 #ifndef __MACH_TEGRA_APBIO_H
  17 #define __MACH_TEGRA_APBIO_H
  18
  19 #ifdef CONFIG_TEGRA_SYSTEM_DMA
  20
  21 u32 tegra_apb_readl(unsigned long offset);
  22 void tegra_apb_writel(u32 value, unsigned long offset);
  23
  24 #else
  25 #include <asm/io.h>
  26 #include <mach/io.h>
  27
  28 static inline u32 tegra_apb_readl(unsigned long offset)
  29 {
  30         return readl(IO_TO_VIRT(offset));
  31 }
  32
  33 static inline void tegra_apb_writel(u32 value, unsigned long offset)
  34 {
  35         writel(value, IO_TO_VIRT(offset));
  36 }
  37 #endif
  38
  39 #endif