diff options
Diffstat (limited to 'arch/arm/mach-omap2/control.c')
-rw-r--r-- | arch/arm/mach-omap2/control.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c new file mode 100644 index 000000000000..a5d86a49c213 --- /dev/null +++ b/arch/arm/mach-omap2/control.c | |||
@@ -0,0 +1,74 @@ | |||
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 | |||