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

   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
  21static void __iomem *omap2_ctrl_base;
  22
  23#define OMAP_CTRL_REGADDR(reg)          (omap2_ctrl_base + (reg))
  24
  25void __init omap2_set_globals_control(struct omap_globals *omap2_globals)
  26{
  27        omap2_ctrl_base = omap2_globals->ctrl;
  28}
  29
  30void __iomem *omap_ctrl_base_get(void)
  31{
  32        return omap2_ctrl_base;
  33}
  34
  35u8 omap_ctrl_readb(u16 offset)
  36{
  37        return __raw_readb(OMAP_CTRL_REGADDR(offset));
  38}
  39
  40u16 omap_ctrl_readw(u16 offset)
  41{
  42        return __raw_readw(OMAP_CTRL_REGADDR(offset));
  43}
  44
  45u32 omap_ctrl_readl(u16 offset)
  46{
  47        return __raw_readl(OMAP_CTRL_REGADDR(offset));
  48}
  49
  50void omap_ctrl_writeb(u8 val, u16 offset)
  51{
  52        __raw_writeb(val, OMAP_CTRL_REGADDR(offset));
  53}
  54
  55void omap_ctrl_writew(u16 val, u16 offset)
  56{
  57        __raw_writew(val, OMAP_CTRL_REGADDR(offset));
  58}
  59
  60void omap_ctrl_writel(u32 val, u16 offset)
  61{
  62        __raw_writel(val, OMAP_CTRL_REGADDR(offset));
  63}
  64
  65