2 * OMAP2/3 System Control Module register access
4 * Copyright (C) 2007 Texas Instruments, Inc.
5 * Copyright (C) 2007 Nokia Corporation
7 * Written by Paul Walmsley
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.
15 #include <linux/kernel.h>
19 #include <asm/arch/control.h>
21 static u32 omap2_ctrl_base;
23 #define OMAP_CTRL_REGADDR(reg) (void __iomem *)IO_ADDRESS(omap2_ctrl_base + reg)
25 void omap_ctrl_base_set(u32 base)
27 omap2_ctrl_base = base;
30 u32 omap_ctrl_base_get(void)
32 return omap2_ctrl_base;
35 u8 omap_ctrl_readb(u16 offset)
37 return __raw_readb(OMAP_CTRL_REGADDR(offset));
40 u16 omap_ctrl_readw(u16 offset)
42 return __raw_readw(OMAP_CTRL_REGADDR(offset));
45 u32 omap_ctrl_readl(u16 offset)
47 return __raw_readl(OMAP_CTRL_REGADDR(offset));
50 void omap_ctrl_writeb(u8 val, u16 offset)
52 pr_debug("omap_ctrl_writeb: writing 0x%0x to 0x%0x\n", val,
53 (u32)OMAP_CTRL_REGADDR(offset));
55 __raw_writeb(val, OMAP_CTRL_REGADDR(offset));
58 void omap_ctrl_writew(u16 val, u16 offset)
60 pr_debug("omap_ctrl_writew: writing 0x%0x to 0x%0x\n", val,
61 (u32)OMAP_CTRL_REGADDR(offset));
63 __raw_writew(val, OMAP_CTRL_REGADDR(offset));
66 void omap_ctrl_writel(u32 val, u16 offset)
68 pr_debug("omap_ctrl_writel: writing 0x%0x to 0x%0x\n", val,
69 (u32)OMAP_CTRL_REGADDR(offset));
71 __raw_writel(val, OMAP_CTRL_REGADDR(offset));