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linux-2.6/arch/arm/mach-omap2/powerdomains34xx.h
Kalle Jokiniemi 867d320b6c PM: Disable usb host HW save and restore 
The hardware SAVEANDRESTORE mechanism seems to leave
USB HOST power domain permanently into active state
after one transition from off to active state.
Disabling for now.

Signed-off-by: Kalle Jokiniemi <ext-kalle.jokiniemi@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
2009-11-11 14:42:27 -08:00

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/*
* OMAP34XX powerdomain definitions
*
* Copyright (C) 2007-2008 Texas Instruments, Inc.
* Copyright (C) 2007-2008 Nokia Corporation
*
* Written by Paul Walmsley
* Debugging and integration fixes by 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.
*/
#ifndef ARCH_ARM_MACH_OMAP2_POWERDOMAINS34XX
#define ARCH_ARM_MACH_OMAP2_POWERDOMAINS34XX
/*
* N.B. If powerdomains are added or removed from this file, update
* the array in mach-omap2/powerdomains.h.
*/
#include <plat/powerdomain.h>
#include "prcm-common.h"
#include "prm.h"
#include "prm-regbits-34xx.h"
#include "cm.h"
#include "cm-regbits-34xx.h"
/*
* 34XX-specific powerdomains, dependencies
*/
#ifdef CONFIG_ARCH_OMAP34XX
/*
* 3430: PM_WKDEP_{PER,USBHOST}: CORE, IVA2, MPU, WKUP
* (USBHOST is ES2 only)
*/
static struct pwrdm_dep per_usbhost_wkdeps[] = {
{
.pwrdm_name = "core_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{
.pwrdm_name = "iva2_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{
.pwrdm_name = "mpu_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{
.pwrdm_name = "wkup_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{ NULL },
};
/*
* 3430 PM_WKDEP_MPU: CORE, IVA2, DSS, PER
*/
static struct pwrdm_dep mpu_34xx_wkdeps[] = {
{
.pwrdm_name = "core_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{
.pwrdm_name = "iva2_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{
.pwrdm_name = "dss_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{
.pwrdm_name = "per_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{ NULL },
};
/*
* 3430 PM_WKDEP_IVA2: CORE, MPU, WKUP, DSS, PER
*/
static struct pwrdm_dep iva2_wkdeps[] = {
{
.pwrdm_name = "core_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{
.pwrdm_name = "mpu_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{
.pwrdm_name = "wkup_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{
.pwrdm_name = "dss_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{
.pwrdm_name = "per_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{ NULL },
};
/* 3430 PM_WKDEP_{CAM,DSS}: IVA2, MPU, WKUP */
static struct pwrdm_dep cam_dss_wkdeps[] = {
{
.pwrdm_name = "iva2_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{
.pwrdm_name = "mpu_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{
.pwrdm_name = "wkup_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{ NULL },
};
/* 3430: PM_WKDEP_NEON: MPU */
static struct pwrdm_dep neon_wkdeps[] = {
{
.pwrdm_name = "mpu_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{ NULL },
};
/* Sleep dependency source arrays for 34xx-specific pwrdms - 34XX only */
/*
* 3430: CM_SLEEPDEP_{DSS,PER}: MPU, IVA
* 3430ES2: CM_SLEEPDEP_USBHOST: MPU, IVA
*/
static struct pwrdm_dep dss_per_usbhost_sleepdeps[] = {
{
.pwrdm_name = "mpu_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{
.pwrdm_name = "iva2_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430)
},
{ NULL },
};
/*
* Powerdomains
*/
static struct powerdomain iva2_pwrdm = {
.name = "iva2_pwrdm",
.prcm_offs = OMAP3430_IVA2_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
.dep_bit = OMAP3430_PM_WKDEP_MPU_EN_IVA2_SHIFT,
.wkdep_srcs = iva2_wkdeps,
.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_34xx_pwrdm = {
.name = "mpu_pwrdm",
.prcm_offs = MPU_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
.dep_bit = OMAP3430_EN_MPU_SHIFT,
.wkdep_srcs = mpu_34xx_wkdeps,
.pwrsts = PWRSTS_OFF_RET_ON,
.pwrsts_logic_ret = PWRSTS_OFF_RET,
.banks = 1,
.pwrsts_mem_ret = {
[0] = PWRSTS_OFF_RET,
},
.pwrsts_mem_on = {
[0] = PWRSTS_OFF_ON,
},
};
/* No wkdeps or sleepdeps for 34xx core apparently */
static struct powerdomain core_34xx_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),
.pwrsts = PWRSTS_OFF_RET_ON,
.dep_bit = OMAP3430_EN_CORE_SHIFT,
.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 */
},
};
/* No wkdeps or sleepdeps for 34xx core apparently */
static struct powerdomain core_34xx_es3_1_pwrdm = {
.name = "core_pwrdm",
.prcm_offs = CORE_MOD,
.omap_chip = OMAP_CHIP_INIT(CHIP_GE_OMAP3430ES3_1),
.pwrsts = PWRSTS_OFF_RET_ON,
.dep_bit = OMAP3430_EN_CORE_SHIFT,
.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 */
},
};
/* Another case of bit name collisions between several registers: EN_DSS */
static struct powerdomain dss_pwrdm = {
.name = "dss_pwrdm",
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
.prcm_offs = OMAP3430_DSS_MOD,
.dep_bit = OMAP3430_PM_WKDEP_MPU_EN_DSS_SHIFT,
.wkdep_srcs = cam_dss_wkdeps,
.sleepdep_srcs = dss_per_usbhost_sleepdeps,
.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),
.wkdep_srcs = gfx_sgx_wkdeps,
.sleepdep_srcs = cam_gfx_sleepdeps,
/* 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,
.wkdep_srcs = cam_dss_wkdeps,
.sleepdep_srcs = cam_gfx_sleepdeps,
.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),
.dep_bit = OMAP3430_EN_PER_SHIFT,
.wkdep_srcs = per_usbhost_wkdeps,
.sleepdep_srcs = dss_per_usbhost_sleepdeps,
.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),
.wkdep_srcs = neon_wkdeps,
.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),
.wkdep_srcs = per_usbhost_wkdeps,
.sleepdep_srcs = dss_per_usbhost_sleepdeps,
.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),
};
#endif /* CONFIG_ARCH_OMAP34XX */
#endif
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