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
tegra_apb_readl(unsigned long offset)28 static inline u32 tegra_apb_readl(unsigned long offset)
29 {
30 return readl(IO_TO_VIRT(offset));
31 }
32
tegra_apb_writel(u32 value,unsigned long offset)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
40