xref: /openbmc/linux/arch/arm/mach-omap2/control.c (revision 9ac8d3fb)
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 #include <linux/io.h>
17 
18 #include <mach/common.h>
19 #include <mach/control.h>
20 
21 static void __iomem *omap2_ctrl_base;
22 
23 #define OMAP_CTRL_REGADDR(reg)		(omap2_ctrl_base + (reg))
24 
25 void __init omap2_set_globals_control(struct omap_globals *omap2_globals)
26 {
27 	omap2_ctrl_base = omap2_globals->ctrl;
28 }
29 
30 void __iomem *omap_ctrl_base_get(void)
31 {
32 	return omap2_ctrl_base;
33 }
34 
35 u8 omap_ctrl_readb(u16 offset)
36 {
37 	return __raw_readb(OMAP_CTRL_REGADDR(offset));
38 }
39 
40 u16 omap_ctrl_readw(u16 offset)
41 {
42 	return __raw_readw(OMAP_CTRL_REGADDR(offset));
43 }
44 
45 u32 omap_ctrl_readl(u16 offset)
46 {
47 	return __raw_readl(OMAP_CTRL_REGADDR(offset));
48 }
49 
50 void omap_ctrl_writeb(u8 val, u16 offset)
51 {
52 	__raw_writeb(val, OMAP_CTRL_REGADDR(offset));
53 }
54 
55 void omap_ctrl_writew(u16 val, u16 offset)
56 {
57 	__raw_writew(val, OMAP_CTRL_REGADDR(offset));
58 }
59 
60 void omap_ctrl_writel(u32 val, u16 offset)
61 {
62 	__raw_writel(val, OMAP_CTRL_REGADDR(offset));
63 }
64 
65