Linux Kernel  3.7.1
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cm44xx.c
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1 /*
2  * OMAP4 CM1, CM2 module low-level functions
3  *
4  * Copyright (C) 2010 Nokia Corporation
5  * Paul Walmsley
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  *
11  * These functions are intended to be used only by the cminst44xx.c file.
12  * XXX Perhaps we should just move them there and make them static.
13  */
14 
15 #include <linux/kernel.h>
16 #include <linux/types.h>
17 #include <linux/errno.h>
18 #include <linux/err.h>
19 #include <linux/io.h>
20 
21 #include "iomap.h"
22 #include "common.h"
23 #include "cm.h"
24 #include "cm1_44xx.h"
25 #include "cm2_44xx.h"
26 #include "cm-regbits-44xx.h"
27 
28 /* CM1 hardware module low-level functions */
29 
30 /* Read a register in CM1 */
32 {
33  return __raw_readl(OMAP44XX_CM1_REGADDR(inst, reg));
34 }
35 
36 /* Write into a register in CM1 */
38 {
39  __raw_writel(val, OMAP44XX_CM1_REGADDR(inst, reg));
40 }
41 
42 /* Read a register in CM2 */
44 {
45  return __raw_readl(OMAP44XX_CM2_REGADDR(inst, reg));
46 }
47 
48 /* Write into a register in CM2 */
50 {
51  __raw_writel(val, OMAP44XX_CM2_REGADDR(inst, reg));
52 }