arch/arm/mach-omap2/powerdomains33xx_data.c

   1 /*
   2  * AM33XX Power domain data
   3  *
   4  * Copyright (C) 2011-2012 Texas Instruments Incorporated - https://www.ti.com/
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation version 2.
   9  *
  10  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
  11  * kind, whether express or implied; without even the implied warranty
  12  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18
  19 #include "powerdomain.h"
  20 #include "prcm-common.h"
  21 #include "prm-regbits-33xx.h"
  22 #include "prm33xx.h"
  23
  24 static struct powerdomain gfx_33xx_pwrdm = {
  25         .name                   = "gfx_pwrdm",
  26         .voltdm                 = { .name = "core" },
  27         .prcm_offs              = AM33XX_PRM_GFX_MOD,
  28         .pwrstctrl_offs         = AM33XX_PM_GFX_PWRSTCTRL_OFFSET,
  29         .pwrstst_offs           = AM33XX_PM_GFX_PWRSTST_OFFSET,
  30         .pwrsts                 = PWRSTS_OFF_RET_ON,
  31         .pwrsts_logic_ret       = PWRSTS_OFF_RET,
  32         .flags                  = PWRDM_HAS_LOWPOWERSTATECHANGE,
  33         .banks                  = 1,
  34         .logicretstate_mask     = AM33XX_LOGICRETSTATE_MASK,
  35         .mem_on_mask            = {
  36                 [0]             = AM33XX_GFX_MEM_ONSTATE_MASK,  /* gfx_mem */
  37         },
  38         .mem_ret_mask           = {
  39                 [0]             = AM33XX_GFX_MEM_RETSTATE_MASK, /* gfx_mem */
  40         },
  41         .mem_pwrst_mask         = {
  42                 [0]             = AM33XX_GFX_MEM_STATEST_MASK,  /* gfx_mem */
  43         },
  44         .mem_retst_mask         = {
  45                 [0]             = AM33XX_GFX_MEM_RETSTATE_MASK, /* gfx_mem */
  46         },
  47         .pwrsts_mem_ret         = {
  48                 [0]             = PWRSTS_OFF_RET,       /* gfx_mem */
  49         },
  50         .pwrsts_mem_on          = {
  51                 [0]             = PWRSTS_ON,            /* gfx_mem */
  52         },
  53 };
  54
  55 static struct powerdomain rtc_33xx_pwrdm = {
  56         .name                   = "rtc_pwrdm",
  57         .voltdm                 = { .name = "rtc" },
  58         .prcm_offs              = AM33XX_PRM_RTC_MOD,
  59         .pwrstctrl_offs         = AM33XX_PM_RTC_PWRSTCTRL_OFFSET,
  60         .pwrstst_offs           = AM33XX_PM_RTC_PWRSTST_OFFSET,
  61         .pwrsts                 = PWRSTS_ON,
  62         .logicretstate_mask     = AM33XX_LOGICRETSTATE_MASK,
  63 };
  64
  65 static struct powerdomain wkup_33xx_pwrdm = {
  66         .name                   = "wkup_pwrdm",
  67         .voltdm                 = { .name = "core" },
  68         .prcm_offs              = AM33XX_PRM_WKUP_MOD,
  69         .pwrstctrl_offs         = AM33XX_PM_WKUP_PWRSTCTRL_OFFSET,
  70         .pwrstst_offs           = AM33XX_PM_WKUP_PWRSTST_OFFSET,
  71         .pwrsts                 = PWRSTS_ON,
  72         .logicretstate_mask     = AM33XX_LOGICRETSTATE_3_3_MASK,
  73 };
  74
  75 static struct powerdomain per_33xx_pwrdm = {
  76         .name                   = "per_pwrdm",
  77         .voltdm                 = { .name = "core" },
  78         .prcm_offs              = AM33XX_PRM_PER_MOD,
  79         .pwrstctrl_offs         = AM33XX_PM_PER_PWRSTCTRL_OFFSET,
  80         .pwrstst_offs           = AM33XX_PM_PER_PWRSTST_OFFSET,
  81         .pwrsts                 = PWRSTS_OFF_RET_ON,
  82         .pwrsts_logic_ret       = PWRSTS_OFF_RET,
  83         .flags                  = PWRDM_HAS_LOWPOWERSTATECHANGE,
  84         .banks                  = 3,
  85         .logicretstate_mask     = AM33XX_LOGICRETSTATE_3_3_MASK,
  86         .mem_on_mask            = {
  87                 [0]             = AM33XX_PRUSS_MEM_ONSTATE_MASK, /* pruss_mem */
  88                 [1]             = AM33XX_PER_MEM_ONSTATE_MASK,  /* per_mem */
  89                 [2]             = AM33XX_RAM_MEM_ONSTATE_MASK,  /* ram_mem */
  90         },
  91         .mem_ret_mask           = {
  92                 [0]             = AM33XX_PRUSS_MEM_RETSTATE_MASK, /* pruss_mem */
  93                 [1]             = AM33XX_PER_MEM_RETSTATE_MASK, /* per_mem */
  94                 [2]             = AM33XX_RAM_MEM_RETSTATE_MASK, /* ram_mem */
  95         },
  96         .mem_pwrst_mask         = {
  97                 [0]             = AM33XX_PRUSS_MEM_STATEST_MASK, /* pruss_mem */
  98                 [1]             = AM33XX_PER_MEM_STATEST_MASK,  /* per_mem */
  99                 [2]             = AM33XX_RAM_MEM_STATEST_MASK,  /* ram_mem */
 100         },
 101         .mem_retst_mask         = {
 102                 [0]             = AM33XX_PRUSS_MEM_RETSTATE_MASK, /* pruss_mem */
 103                 [1]             = AM33XX_PER_MEM_RETSTATE_MASK, /* per_mem */
 104                 [2]             = AM33XX_RAM_MEM_RETSTATE_MASK, /* ram_mem */
 105         },
 106         .pwrsts_mem_ret         = {
 107                 [0]             = PWRSTS_OFF_RET,       /* pruss_mem */
 108                 [1]             = PWRSTS_OFF_RET,       /* per_mem */
 109                 [2]             = PWRSTS_OFF_RET,       /* ram_mem */
 110         },
 111         .pwrsts_mem_on          = {
 112                 [0]             = PWRSTS_ON,            /* pruss_mem */
 113                 [1]             = PWRSTS_ON,            /* per_mem */
 114                 [2]             = PWRSTS_ON,            /* ram_mem */
 115         },
 116 };
 117
 118 static struct powerdomain mpu_33xx_pwrdm = {
 119         .name                   = "mpu_pwrdm",
 120         .voltdm                 = { .name = "mpu" },
 121         .prcm_offs              = AM33XX_PRM_MPU_MOD,
 122         .pwrstctrl_offs         = AM33XX_PM_MPU_PWRSTCTRL_OFFSET,
 123         .pwrstst_offs           = AM33XX_PM_MPU_PWRSTST_OFFSET,
 124         .pwrsts                 = PWRSTS_OFF_RET_ON,
 125         .pwrsts_logic_ret       = PWRSTS_OFF_RET,
 126         .flags                  = PWRDM_HAS_LOWPOWERSTATECHANGE,
 127         .banks                  = 3,
 128         .logicretstate_mask     = AM33XX_LOGICRETSTATE_MASK,
 129         .mem_on_mask            = {
 130                 [0]             = AM33XX_MPU_L1_ONSTATE_MASK,   /* mpu_l1 */
 131                 [1]             = AM33XX_MPU_L2_ONSTATE_MASK,   /* mpu_l2 */
 132                 [2]             = AM33XX_MPU_RAM_ONSTATE_MASK,  /* mpu_ram */
 133         },
 134         .mem_ret_mask           = {
 135                 [0]             = AM33XX_MPU_L1_RETSTATE_MASK,  /* mpu_l1 */
 136                 [1]             = AM33XX_MPU_L2_RETSTATE_MASK,  /* mpu_l2 */
 137                 [2]             = AM33XX_MPU_RAM_RETSTATE_MASK, /* mpu_ram */
 138         },
 139         .mem_pwrst_mask         = {
 140                 [0]             = AM33XX_MPU_L1_STATEST_MASK,   /* mpu_l1 */
 141                 [1]             = AM33XX_MPU_L2_STATEST_MASK,   /* mpu_l2 */
 142                 [2]             = AM33XX_MPU_RAM_STATEST_MASK,  /* mpu_ram */
 143         },
 144         .mem_retst_mask         = {
 145                 [0]             = AM33XX_MPU_L1_RETSTATE_MASK,  /* mpu_l1 */
 146                 [1]             = AM33XX_MPU_L2_RETSTATE_MASK,  /* mpu_l2 */
 147                 [2]             = AM33XX_MPU_RAM_RETSTATE_MASK, /* mpu_ram */
 148         },
 149         .pwrsts_mem_ret         = {
 150                 [0]             = PWRSTS_OFF_RET,       /* mpu_l1 */
 151                 [1]             = PWRSTS_OFF_RET,       /* mpu_l2 */
 152                 [2]             = PWRSTS_OFF_RET,       /* mpu_ram */
 153         },
 154         .pwrsts_mem_on          = {
 155                 [0]             = PWRSTS_ON,            /* mpu_l1 */
 156                 [1]             = PWRSTS_ON,            /* mpu_l2 */
 157                 [2]             = PWRSTS_ON,            /* mpu_ram */
 158         },
 159 };
 160
 161 static struct powerdomain cefuse_33xx_pwrdm = {
 162         .name           = "cefuse_pwrdm",
 163         .voltdm         = { .name = "core" },
 164         .prcm_offs      = AM33XX_PRM_CEFUSE_MOD,
 165         .pwrstctrl_offs = AM33XX_PM_CEFUSE_PWRSTCTRL_OFFSET,
 166         .pwrstst_offs   = AM33XX_PM_CEFUSE_PWRSTST_OFFSET,
 167         .pwrsts         = PWRSTS_OFF_ON,
 168 };
 169
 170 static struct powerdomain *powerdomains_am33xx[] __initdata = {
 171         &gfx_33xx_pwrdm,
 172         &rtc_33xx_pwrdm,
 173         &wkup_33xx_pwrdm,
 174         &per_33xx_pwrdm,
 175         &mpu_33xx_pwrdm,
 176         &cefuse_33xx_pwrdm,
 177         NULL,
 178 };
 179
 180 void __init am33xx_powerdomains_init(void)
 181 {
 182         pwrdm_register_platform_funcs(&am33xx_pwrdm_operations);
 183         pwrdm_register_pwrdms(powerdomains_am33xx);
 184         pwrdm_complete_init();
 185 }