arch/arm/mach-omap2/cm.h

   1 #ifndef __ARCH_ASM_MACH_OMAP2_CM_H
   2 #define __ARCH_ASM_MACH_OMAP2_CM_H
   3
   4 /*
   5  * OMAP2/3 Clock Management (CM) register definitions
   6  *
   7  * Copyright (C) 2007-2008 Texas Instruments, Inc.
   8  * Copyright (C) 2007-2008 Nokia Corporation
   9  *
  10  * Written by Paul Walmsley
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16
  17 #include "prcm-common.h"
  18
  19 #ifndef __ASSEMBLER__
  20 #define OMAP_CM_REGADDR(module, reg)                                    \
  21         (void __iomem *)IO_ADDRESS(OMAP2_CM_BASE + (module) + (reg))
  22 #else
  23 #define OMAP2420_CM_REGADDR(module, reg)                                \
  24                         IO_ADDRESS(OMAP2420_CM_BASE + (module) + (reg))
  25 #define OMAP2430_CM_REGADDR(module, reg)                                \
  26                         IO_ADDRESS(OMAP2430_CM_BASE + (module) + (reg))
  27 #define OMAP34XX_CM_REGADDR(module, reg)                                \
  28                         IO_ADDRESS(OMAP3430_CM_BASE + (module) + (reg))
  29 #endif
  30
  31 /*
  32  * Architecture-specific global CM registers
  33  * Use cm_{read,write}_reg() with these registers.
  34  * These registers appear once per CM module.
  35  */
  36
  37 #define OMAP3430_CM_REVISION            OMAP_CM_REGADDR(OCP_MOD, 0x0000)
  38 #define OMAP3430_CM_SYSCONFIG           OMAP_CM_REGADDR(OCP_MOD, 0x0010)
  39 #define OMAP3430_CM_POLCTRL             OMAP_CM_REGADDR(OCP_MOD, 0x009c)
  40
  41 #define OMAP3430_CM_CLKOUT_CTRL         OMAP_CM_REGADDR(OMAP3430_CCR_MOD, 0x0070)
  42
  43 /*
  44  * Module specific CM registers from CM_BASE + domain offset
  45  * Use cm_{read,write}_mod_reg() with these registers.
  46  * These register offsets generally appear in more than one PRCM submodule.
  47  */
  48
  49 /* Common between 24xx and 34xx */
  50
  51 #define CM_FCLKEN                                       0x0000
  52 #define CM_FCLKEN1                                      CM_FCLKEN
  53 #define CM_CLKEN                                        CM_FCLKEN
  54 #define CM_ICLKEN                                       0x0010
  55 #define CM_ICLKEN1                                      CM_ICLKEN
  56 #define CM_ICLKEN2                                      0x0014
  57 #define CM_ICLKEN3                                      0x0018
  58 #define CM_IDLEST                                       0x0020
  59 #define CM_IDLEST1                                      CM_IDLEST
  60 #define CM_IDLEST2                                      0x0024
  61 #define CM_AUTOIDLE                                     0x0030
  62 #define CM_AUTOIDLE1                                    CM_AUTOIDLE
  63 #define CM_AUTOIDLE2                                    0x0034
  64 #define CM_AUTOIDLE3                                    0x0038
  65 #define CM_CLKSEL                                       0x0040
  66 #define CM_CLKSEL1                                      CM_CLKSEL
  67 #define CM_CLKSEL2                                      0x0044
  68 #define CM_CLKSTCTRL                                    0x0048
  69
  70
  71 /* Architecture-specific registers */
  72
  73 #define OMAP24XX_CM_FCLKEN2                             0x0004
  74 #define OMAP24XX_CM_ICLKEN4                             0x001c
  75 #define OMAP24XX_CM_AUTOIDLE4                           0x003c
  76
  77 #define OMAP2430_CM_IDLEST3                             0x0028
  78
  79 #define OMAP3430_CM_CLKEN_PLL                           0x0004
  80 #define OMAP3430ES2_CM_CLKEN2                           0x0004
  81 #define OMAP3430ES2_CM_FCLKEN3                          0x0008
  82 #define OMAP3430_CM_IDLEST_PLL                          CM_IDLEST2
  83 #define OMAP3430_CM_AUTOIDLE_PLL                        CM_AUTOIDLE2
  84 #define OMAP3430_CM_CLKSEL1                             CM_CLKSEL
  85 #define OMAP3430_CM_CLKSEL1_PLL                         CM_CLKSEL
  86 #define OMAP3430_CM_CLKSEL2_PLL                         CM_CLKSEL2
  87 #define OMAP3430_CM_SLEEPDEP                            CM_CLKSEL2
  88 #define OMAP3430_CM_CLKSEL3                             CM_CLKSTCTRL
  89 #define OMAP3430_CM_CLKSTST                             0x004c
  90 #define OMAP3430ES2_CM_CLKSEL4                          0x004c
  91 #define OMAP3430ES2_CM_CLKSEL5                          0x0050
  92 #define OMAP3430_CM_CLKSEL2_EMU                         0x0050
  93 #define OMAP3430_CM_CLKSEL3_EMU                         0x0054
  94
  95
  96 /* Clock management domain register get/set */
  97
  98 #ifndef __ASSEMBLER__
  99 static inline void cm_write_mod_reg(u32 val, s16 module, s16 idx)
 100 {
 101         __raw_writel(val, OMAP_CM_REGADDR(module, idx));
 102 }
 103
 104 static inline u32 cm_read_mod_reg(s16 module, s16 idx)
 105 {
 106         return __raw_readl(OMAP_CM_REGADDR(module, idx));
 107 }
 108 #endif
 109
 110 /* CM register bits shared between 24XX and 3430 */
 111
 112 /* CM_CLKSEL_GFX */
 113 #define OMAP_CLKSEL_GFX_SHIFT                           0
 114 #define OMAP_CLKSEL_GFX_MASK                            (0x7 << 0)
 115
 116 /* CM_ICLKEN_GFX */
 117 #define OMAP_EN_GFX_SHIFT                               0
 118 #define OMAP_EN_GFX                                     (1 << 0)
 119
 120 /* CM_IDLEST_GFX */
 121 #define OMAP_ST_GFX                                     (1 << 0)
 122
 123
 124 #endif