kernel/2.6.29.6-aldebaran-rt/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
  21 static void __iomem *omap2_ctrl_base;
  22
  23 #define OMAP_CTRL_REGADDR(reg)          (omap2_ctrl_base + (reg))
  24
  25 void __init omap2_set_globals_control(struct omap_globals *omap2_globals)
  26 {
  27         omap2_ctrl_base = omap2_globals->ctrl;
  28 }
  29
  30 void __iomem *omap_ctrl_base_get(void)
  31 {
  32         return omap2_ctrl_base;
  33 }
  34
  35 u8 omap_ctrl_readb(u16 offset)
  36 {
  37         return __raw_readb(OMAP_CTRL_REGADDR(offset));
  38 }
  39
  40 u16 omap_ctrl_readw(u16 offset)
  41 {
  42         return __raw_readw(OMAP_CTRL_REGADDR(offset));
  43 }
  44
  45 u32 omap_ctrl_readl(u16 offset)
  46 {
  47         return __raw_readl(OMAP_CTRL_REGADDR(offset));
  48 }
  49
  50 void omap_ctrl_writeb(u8 val, u16 offset)
  51 {
  52         __raw_writeb(val, OMAP_CTRL_REGADDR(offset));
  53 }
  54
  55 void omap_ctrl_writew(u16 val, u16 offset)
  56 {
  57         __raw_writew(val, OMAP_CTRL_REGADDR(offset));
  58 }
  59
  60 void omap_ctrl_writel(u32 val, u16 offset)
  61 {
  62         __raw_writel(val, OMAP_CTRL_REGADDR(offset));
  63 }
  64