/*
* AM43xx Power domains framework
*
* Copyright (C) 2013 Texas Instruments, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include "powerdomain.h"
#include "prcm-common.h"
#include "prcm44xx.h"
#include "prcm43xx.h"
static struct powerdomain gfx_43xx_pwrdm = {
.name = "gfx_pwrdm",
.voltdm = { .name = "core" },
.prcm_offs = AM43XX_PRM_GFX_INST,
.prcm_partition = AM43XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
.banks = 1,
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* gfx_mem */
},
.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
};
static struct powerdomain mpu_43xx_pwrdm = {
.name = "mpu_pwrdm",
.voltdm = { .name = "mpu" },
.prcm_offs = AM43XX_PRM_MPU_INST,
.prcm_partition = AM43XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.banks = 3,
.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 */
},
.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
};
static struct powerdomain rtc_43xx_pwrdm = {
.name = "rtc_pwrdm",
.voltdm = { .name = "rtc" },
.prcm_offs = AM43XX_PRM_RTC_INST,
.prcm_partition = AM43XX_PRM_PARTITION,
.pwrsts = PWRSTS_ON,
};
static struct powerdomain wkup_43xx_pwrdm = {
.name = "wkup_pwrdm",
.voltdm = { .name = "core" },
.prcm_offs = AM43XX_PRM_WKUP_INST,
.prcm_partition = AM43XX_PRM_PARTITION,
.pwrsts = PWRSTS_ON,
.banks = 1,
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* debugss_mem */
},
};
static struct powerdomain tamper_43xx_pwrdm = {
.name = "tamper_pwrdm",
.voltdm = { .name = "tamper" },
.prcm_offs = AM43XX_PRM_TAMPER_INST,
.prcm_partition = AM43XX_PRM_PARTITION,
.pwrsts = PWRSTS_ON,
};
static struct powerdomain cefuse_43xx_pwrdm = {
.name = "cefuse_pwrdm",
.voltdm = { .name = "core" },
.prcm_offs = AM43XX_PRM_CEFUSE_INST,
.prcm_partition = AM43XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_ON,
.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
};
static struct powerdomain per_43xx_pwrdm = {
.name = "per_pwrdm",
.voltdm = { .name = "core" },
.prcm_offs = AM43XX_PRM_PER_INST,
.prcm_partition = AM43XX_PRM_PARTITION,
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.banks = 4,
.pwrsts_mem_ret = {
[0] = PWRSTS_OFF_RET, /* icss_mem */
[1] = PWRSTS_OFF_RET, /* per_mem */
[2] = PWRSTS_OFF_RET, /* ram1_mem */
[3] = PWRSTS_OFF_RET, /* ram2_mem */
},
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* icss_mem */
[1] = PWRSTS_ON, /* per_mem */
[2] = PWRSTS_ON, /* ram1_mem */
[3] = PWRSTS_ON, /* ram2_mem */
},
.flags = PWRDM_HAS_LOWPOWERSTATECHANGE,
};
static struct powerdomain *powerdomains_am43xx[] __initdata = {
&gfx_43xx_pwrdm,
&mpu_43xx_pwrdm,
&rtc_43xx_pwrdm,
&wkup_43xx_pwrdm,
&tamper_43xx_pwrdm,
&cefuse_43xx_pwrdm,
&per_43xx_pwrdm,
NULL
};
static int am43xx_check_vcvp(void)
{
return 0;
}
void __init am43xx_powerdomains_init(void)
{
omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp;
pwrdm_register_platform_funcs(&omap4_pwrdm_operations);
pwrdm_register_pwrdms(powerdomains_am43xx);
pwrdm_complete_init();
}
