/*
* OMAP3 powerdomain definitions
*
* Copyright (C) 2007-2008 Texas Instruments, Inc.
* Copyright (C) 2007-2010 Nokia Corporation
*
* Paul Walmsley, Jouni Högander
*
* 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 "powerdomains2xxx_3xxx_data.h"
#include "prcm-common.h"
#include "prm2xxx_3xxx.h"
#include "prm-regbits-34xx.h"
#include "cm2xxx_3xxx.h"
#include "cm-regbits-34xx.h"
/*
* 34XX-specific powerdomains, dependencies
*/
#ifdef CONFIG_ARCH_OMAP3
/*
* Powerdomains
*/
static struct powerdomain iva2_pwrdm = {
.name = "iva2_pwrdm",
.prcm_offs = OMAP3430_IVA2_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.banks = 4,
.pwrsts_mem_ret = {
[0] = PWRSTS_OFF_RET,
[1] = PWRSTS_OFF_RET,
[2] = PWRSTS_OFF_RET,
[3] = PWRSTS_OFF_RET,
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON,
[1] = PWRDM_POWER_ON,
[2] = PWRSTS_OFF_ON,
[3] = PWRDM_POWER_ON,
},
};
static struct powerdomain mpu_3xxx_pwrdm = {
.name = "mpu_pwrdm",
.prcm_offs = MPU_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.flags = PWRDM_HAS_MPU_QUIRK,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRSTS_OFF_RET,
},
.pwrsts_mem_on = {
[0] = PWRSTS_OFF_ON,
},
};
/*
* The USBTLL Save-and-Restore mechanism is broken on
* 3430s upto ES3.0 and 3630ES1.0. Hence this feature
* needs to be disabled on these chips.
* Refer: 3430 errata ID i459 and 3630 errata ID i579
*
* Note: setting the SAR flag could help for errata ID i478
* which applies to 3430 <= ES3.1, but since the SAR feature
* is broken, do not use it.
*/
static struct powerdomain core_3xxx_pre_es3_1_pwrdm = {
.name = "core_pwrdm",
.prcm_offs = CORE_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES1 |
CHIP_IS_OMAP3430ES2 |
CHIP_IS_OMAP3430ES3_0 |
CHIP_IS_OMAP3630ES1),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.banks = 2,
.pwrsts_mem_ret = {
[0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */
[1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
[1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
},
};
static struct powerdomain core_3xxx_es3_1_pwrdm = {
.name = "core_pwrdm",
.prcm_offs = CORE_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430ES3_1 |
CHIP_GE_OMAP3630ES1_1),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRSTS_OFF_RET,
/*
* Setting the SAR flag for errata ID i478 which applies
* to 3430 <= ES3.1
*/
.flags = PWRDM_HAS_HDWR_SAR, /* for USBTLL only */
.banks = 2,
.pwrsts_mem_ret = {
[0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */
[1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
[1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
},
};
static struct powerdomain dss_pwrdm = {
.name = "dss_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
.prcm_offs = OMAP3430_DSS_MOD,
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* MEMRETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* MEMONSTATE */
},
};
/*
* Although the 34XX TRM Rev K Table 4-371 notes that retention is a
* possible SGX powerstate, the SGX device itself does not support
* retention.
*/
static struct powerdomain sgx_pwrdm = {
.name = "sgx_pwrdm",
.prcm_offs = OMAP3430ES2_SGX_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2),
/* XXX This is accurate for 3430 SGX, but what about GFX? */
.pwrsts = PWRSTS_OFF_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* MEMRETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* MEMONSTATE */
},
};
static struct powerdomain cam_pwrdm = {
.name = "cam_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
.prcm_offs = OMAP3430_CAM_MOD,
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* MEMRETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* MEMONSTATE */
},
};
static struct powerdomain per_pwrdm = {
.name = "per_pwrdm",
.prcm_offs = OMAP3430_PER_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* MEMRETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* MEMONSTATE */
},
};
static struct powerdomain emu_pwrdm = {
.name = "emu_pwrdm",
.prcm_offs = OMAP3430_EMU_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
};
static struct powerdomain neon_pwrdm = {
.name = "neon_pwrdm",
.prcm_offs = OMAP3430_NEON_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
};
static struct powerdomain usbhost_pwrdm = {
.name = "usbhost_pwrdm",
.prcm_offs = OMAP3430ES2_USBHOST_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2),
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRDM_POWER_RET,
/*
* REVISIT: Enabling usb host save and restore mechanism seems to
* leave the usb host domain permanently in ACTIVE mode after
* changing the usb host power domain state from OFF to active once.
* Disabling for now.
*/
/*.flags = PWRDM_HAS_HDWR_SAR,*/ /* for USBHOST ctrlr only */
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRDM_POWER_RET, /* MEMRETSTATE */
},
.pwrsts_mem_on = {
[0] = PWRDM_POWER_ON, /* MEMONSTATE */
},
};
static struct powerdomain dpll1_pwrdm = {
.name = "dpll1_pwrdm",
.prcm_offs = MPU_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
};
static struct powerdomain dpll2_pwrdm = {
.name = "dpll2_pwrdm",
.prcm_offs = OMAP3430_IVA2_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
};
static struct powerdomain dpll3_pwrdm = {
.name = "dpll3_pwrdm",
.prcm_offs = PLL_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
};
static struct powerdomain dpll4_pwrdm = {
.name = "dpll4_pwrdm",
.prcm_offs = PLL_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
};
static struct powerdomain dpll5_pwrdm = {
.name = "dpll5_pwrdm",
.prcm_offs = PLL_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES2),
};
/* As powerdomains are added or removed above, this list must also be changed */
static struct powerdomain *powerdomains_omap3xxx[] __initdata = {
&wkup_omap2_pwrdm,
&gfx_omap2_pwrdm,
&iva2_pwrdm,
&mpu_3xxx_pwrdm,
&neon_pwrdm,
&core_3xxx_pre_es3_1_pwrdm,
&core_3xxx_es3_1_pwrdm,
&cam_pwrdm,
&dss_pwrdm,
&per_pwrdm,
&emu_pwrdm,
&sgx_pwrdm,
&usbhost_pwrdm,
&dpll1_pwrdm,
&dpll2_pwrdm,
&dpll3_pwrdm,
&dpll4_pwrdm,
&dpll5_pwrdm,
#endif
NULL
};
void __init omap3xxx_powerdomains_init(void)
{
pwrdm_init(powerdomains_omap3xxx, &omap3_pwrdm_operations);
}
