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69d88a00 PW |
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 |