linux/arch/arm/mach-omap2/control.c

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/*
* OMAP2/3 System Control Module register access
*
* Copyright (C) 2007 Texas Instruments, Inc.
* Copyright (C) 2007 Nokia Corporation
*
* Written by Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#undef DEBUG
#include <linux/kernel.h>
#include <asm/io.h>
#include <asm/arch/control.h>
static u32 omap2_ctrl_base;
#define OMAP_CTRL_REGADDR(reg) (void __iomem *)IO_ADDRESS(omap2_ctrl_base \
+ (reg))
void omap_ctrl_base_set(u32 base)
{
omap2_ctrl_base = base;
}
u32 omap_ctrl_base_get(void)
{
return omap2_ctrl_base;
}
u8 omap_ctrl_readb(u16 offset)
{
return __raw_readb(OMAP_CTRL_REGADDR(offset));
}
u16 omap_ctrl_readw(u16 offset)
{
return __raw_readw(OMAP_CTRL_REGADDR(offset));
}
u32 omap_ctrl_readl(u16 offset)
{
return __raw_readl(OMAP_CTRL_REGADDR(offset));
}
void omap_ctrl_writeb(u8 val, u16 offset)
{
pr_debug("omap_ctrl_writeb: writing 0x%0x to 0x%0x\n", val,
(u32)OMAP_CTRL_REGADDR(offset));
__raw_writeb(val, OMAP_CTRL_REGADDR(offset));
}
void omap_ctrl_writew(u16 val, u16 offset)
{
pr_debug("omap_ctrl_writew: writing 0x%0x to 0x%0x\n", val,
(u32)OMAP_CTRL_REGADDR(offset));
__raw_writew(val, OMAP_CTRL_REGADDR(offset));
}
void omap_ctrl_writel(u32 val, u16 offset)
{
pr_debug("omap_ctrl_writel: writing 0x%0x to 0x%0x\n", val,
(u32)OMAP_CTRL_REGADDR(offset));
__raw_writel(val, OMAP_CTRL_REGADDR(offset));
}