Merge branch 'core/rodata' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux...
[linux-2.6] / arch / arm / mach-omap2 / control.c
1 /*
2  * OMAP2/3 System Control Module register access
3  *
4  * Copyright (C) 2007 Texas Instruments, Inc.
5  * Copyright (C) 2007 Nokia Corporation
6  *
7  * Written by Paul Walmsley
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  */
13 #undef DEBUG
14
15 #include <linux/kernel.h>
16
17 #include <asm/io.h>
18
19 #include <asm/arch/control.h>
20
21 static u32 omap2_ctrl_base;
22
23 #define OMAP_CTRL_REGADDR(reg)  (void __iomem *)IO_ADDRESS(omap2_ctrl_base \
24                                                                 + (reg))
25
26 void omap_ctrl_base_set(u32 base)
27 {
28         omap2_ctrl_base = base;
29 }
30
31 u32 omap_ctrl_base_get(void)
32 {
33         return omap2_ctrl_base;
34 }
35
36 u8 omap_ctrl_readb(u16 offset)
37 {
38         return __raw_readb(OMAP_CTRL_REGADDR(offset));
39 }
40
41 u16 omap_ctrl_readw(u16 offset)
42 {
43         return __raw_readw(OMAP_CTRL_REGADDR(offset));
44 }
45
46 u32 omap_ctrl_readl(u16 offset)
47 {
48         return __raw_readl(OMAP_CTRL_REGADDR(offset));
49 }
50
51 void omap_ctrl_writeb(u8 val, u16 offset)
52 {
53         pr_debug("omap_ctrl_writeb: writing 0x%0x to 0x%0x\n", val,
54                  (u32)OMAP_CTRL_REGADDR(offset));
55
56         __raw_writeb(val, OMAP_CTRL_REGADDR(offset));
57 }
58
59 void omap_ctrl_writew(u16 val, u16 offset)
60 {
61         pr_debug("omap_ctrl_writew: writing 0x%0x to 0x%0x\n", val,
62                  (u32)OMAP_CTRL_REGADDR(offset));
63
64         __raw_writew(val, OMAP_CTRL_REGADDR(offset));
65 }
66
67 void omap_ctrl_writel(u32 val, u16 offset)
68 {
69         pr_debug("omap_ctrl_writel: writing 0x%0x to 0x%0x\n", val,
70                  (u32)OMAP_CTRL_REGADDR(offset));
71
72         __raw_writel(val, OMAP_CTRL_REGADDR(offset));
73 }
74