powerdomains33xx_data.c

Go to the documentation of this file.

/*
 * AM33XX Power domain data
 *
 * Copyright (C) 2011-2012 Texas Instruments Incorporated - http://www.ti.com/
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/kernel.h>
#include <linux/init.h>

#include "powerdomain.h"
#include "prcm-common.h"
#include "prm-regbits-33xx.h"
#include "prm33xx.h"

static struct powerdomain gfx_33xx_pwrdm = {
    .name           = "gfx_pwrdm",
    .voltdm         = { .name = "core" },
    .prcm_offs      = AM33XX_PRM_GFX_MOD,
    .pwrstctrl_offs     = AM33XX_PM_GFX_PWRSTCTRL_OFFSET,
    .pwrstst_offs       = AM33XX_PM_GFX_PWRSTST_OFFSET,
    .pwrsts         = PWRSTS_OFF_RET_ON,
    .pwrsts_logic_ret   = PWRSTS_OFF_RET,
    .flags          = PWRDM_HAS_LOWPOWERSTATECHANGE,
    .banks          = 1,
    .logicretstate_mask = AM33XX_LOGICRETSTATE_MASK,
    .mem_on_mask        = {
        [0]     = AM33XX_GFX_MEM_ONSTATE_MASK,  /* gfx_mem */
    },
    .mem_ret_mask       = {
        [0]     = AM33XX_GFX_MEM_RETSTATE_MASK, /* gfx_mem */
    },
    .mem_pwrst_mask     = {
        [0]     = AM33XX_GFX_MEM_STATEST_MASK,  /* gfx_mem */
    },
    .mem_retst_mask     = {
        [0]     = AM33XX_GFX_MEM_RETSTATE_MASK, /* gfx_mem */
    },
    .pwrsts_mem_ret     = {
        [0]     = PWRSTS_OFF_RET,   /* gfx_mem */
    },
    .pwrsts_mem_on      = {
        [0]     = PWRSTS_ON,        /* gfx_mem */
    },
};

static struct powerdomain rtc_33xx_pwrdm = {
    .name           = "rtc_pwrdm",
    .voltdm         = { .name = "rtc" },
    .prcm_offs      = AM33XX_PRM_RTC_MOD,
    .pwrstctrl_offs     = AM33XX_PM_RTC_PWRSTCTRL_OFFSET,
    .pwrstst_offs       = AM33XX_PM_RTC_PWRSTST_OFFSET,
    .pwrsts         = PWRSTS_ON,
    .logicretstate_mask = AM33XX_LOGICRETSTATE_MASK,
};

static struct powerdomain wkup_33xx_pwrdm = {
    .name           = "wkup_pwrdm",
    .voltdm         = { .name = "core" },
    .prcm_offs      = AM33XX_PRM_WKUP_MOD,
    .pwrstctrl_offs     = AM33XX_PM_WKUP_PWRSTCTRL_OFFSET,
    .pwrstst_offs       = AM33XX_PM_WKUP_PWRSTST_OFFSET,
    .pwrsts         = PWRSTS_ON,
    .logicretstate_mask = AM33XX_LOGICRETSTATE_3_3_MASK,
};

static struct powerdomain per_33xx_pwrdm = {
    .name           = "per_pwrdm",
    .voltdm         = { .name = "core" },
    .prcm_offs      = AM33XX_PRM_PER_MOD,
    .pwrstctrl_offs     = AM33XX_PM_PER_PWRSTCTRL_OFFSET,
    .pwrstst_offs       = AM33XX_PM_PER_PWRSTST_OFFSET,
    .pwrsts         = PWRSTS_OFF_RET_ON,
    .pwrsts_logic_ret   = PWRSTS_OFF_RET,
    .flags          = PWRDM_HAS_LOWPOWERSTATECHANGE,
    .banks          = 3,
    .logicretstate_mask = AM33XX_LOGICRETSTATE_3_3_MASK,
    .mem_on_mask        = {
        [0]     = AM33XX_PRUSS_MEM_ONSTATE_MASK, /* pruss_mem */
        [1]     = AM33XX_PER_MEM_ONSTATE_MASK,  /* per_mem */
        [2]     = AM33XX_RAM_MEM_ONSTATE_MASK,  /* ram_mem */
    },
    .mem_ret_mask       = {
        [0]     = AM33XX_PRUSS_MEM_RETSTATE_MASK, /* pruss_mem */
        [1]     = AM33XX_PER_MEM_RETSTATE_MASK, /* per_mem */
        [2]     = AM33XX_RAM_MEM_RETSTATE_MASK, /* ram_mem */
    },
    .mem_pwrst_mask     = {
        [0]     = AM33XX_PRUSS_MEM_STATEST_MASK, /* pruss_mem */
        [1]     = AM33XX_PER_MEM_STATEST_MASK,  /* per_mem */
        [2]     = AM33XX_RAM_MEM_STATEST_MASK,  /* ram_mem */
    },
    .mem_retst_mask     = {
        [0]     = AM33XX_PRUSS_MEM_RETSTATE_MASK, /* pruss_mem */
        [1]     = AM33XX_PER_MEM_RETSTATE_MASK, /* per_mem */
        [2]     = AM33XX_RAM_MEM_RETSTATE_MASK, /* ram_mem */
    },
    .pwrsts_mem_ret     = {
        [0]     = PWRSTS_OFF_RET,   /* pruss_mem */
        [1]     = PWRSTS_OFF_RET,   /* per_mem */
        [2]     = PWRSTS_OFF_RET,   /* ram_mem */
    },
    .pwrsts_mem_on      = {
        [0]     = PWRSTS_ON,        /* pruss_mem */
        [1]     = PWRSTS_ON,        /* per_mem */
        [2]     = PWRSTS_ON,        /* ram_mem */
    },
};

static struct powerdomain mpu_33xx_pwrdm = {
    .name           = "mpu_pwrdm",
    .voltdm         = { .name = "mpu" },
    .prcm_offs      = AM33XX_PRM_MPU_MOD,
    .pwrstctrl_offs     = AM33XX_PM_MPU_PWRSTCTRL_OFFSET,
    .pwrstst_offs       = AM33XX_PM_MPU_PWRSTST_OFFSET,
    .pwrsts         = PWRSTS_OFF_RET_ON,
    .pwrsts_logic_ret   = PWRSTS_OFF_RET,
    .flags          = PWRDM_HAS_LOWPOWERSTATECHANGE,
    .banks          = 3,
    .logicretstate_mask = AM33XX_LOGICRETSTATE_MASK,
    .mem_on_mask        = {
        [0]     = AM33XX_MPU_L1_ONSTATE_MASK,   /* mpu_l1 */
        [1]     = AM33XX_MPU_L2_ONSTATE_MASK,   /* mpu_l2 */
        [2]     = AM33XX_MPU_RAM_ONSTATE_MASK,  /* mpu_ram */
    },
    .mem_ret_mask       = {
        [0]     = AM33XX_MPU_L1_RETSTATE_MASK,  /* mpu_l1 */
        [1]     = AM33XX_MPU_L2_RETSTATE_MASK,  /* mpu_l2 */
        [2]     = AM33XX_MPU_RAM_RETSTATE_MASK, /* mpu_ram */
    },
    .mem_pwrst_mask     = {
        [0]     = AM33XX_MPU_L1_STATEST_MASK,   /* mpu_l1 */
        [1]     = AM33XX_MPU_L2_STATEST_MASK,   /* mpu_l2 */
        [2]     = AM33XX_MPU_RAM_STATEST_MASK,  /* mpu_ram */
    },
    .mem_retst_mask     = {
        [0]     = AM33XX_MPU_L1_RETSTATE_MASK,  /* mpu_l1 */
        [1]     = AM33XX_MPU_L2_RETSTATE_MASK,  /* mpu_l2 */
        [2]     = AM33XX_MPU_RAM_RETSTATE_MASK, /* mpu_ram */
    },
    .pwrsts_mem_ret     = {
        [0]     = PWRSTS_OFF_RET,   /* mpu_l1 */
        [1]     = PWRSTS_OFF_RET,   /* mpu_l2 */
        [2]     = PWRSTS_OFF_RET,   /* mpu_ram */
    },
    .pwrsts_mem_on      = {
        [0]     = PWRSTS_ON,        /* mpu_l1 */
        [1]     = PWRSTS_ON,        /* mpu_l2 */
        [2]     = PWRSTS_ON,        /* mpu_ram */
    },
};

static struct powerdomain cefuse_33xx_pwrdm = {
    .name       = "cefuse_pwrdm",
    .voltdm     = { .name = "core" },
    .prcm_offs  = AM33XX_PRM_CEFUSE_MOD,
    .pwrstctrl_offs = AM33XX_PM_CEFUSE_PWRSTCTRL_OFFSET,
    .pwrstst_offs   = AM33XX_PM_CEFUSE_PWRSTST_OFFSET,
    .pwrsts     = PWRSTS_OFF_ON,
};

static struct powerdomain *powerdomains_am33xx[] __initdata = {
    &gfx_33xx_pwrdm,
    &rtc_33xx_pwrdm,
    &wkup_33xx_pwrdm,
    &per_33xx_pwrdm,
    &mpu_33xx_pwrdm,
    &cefuse_33xx_pwrdm,
    NULL,
};

void __init am33xx_powerdomains_init(void)
{
    pwrdm_register_platform_funcs(&am33xx_pwrdm_operations);
    pwrdm_register_pwrdms(powerdomains_am33xx);
    pwrdm_complete_init();
}