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linux-2.6/include/asm-arm/arch-omap/pm.h
Tony Lindgren 22a16f39e3 ARM: OMAP: Add initial 24xx suspend support 
This patch adds support for omap24xx power domains and
allows suspend to work.

Please note that for some reason core power domain still
does not seem to idle.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2006-06-26 16:16:18 -07:00

357 lines
11 KiB
C
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/*
* linux/include/asm/arch-omap/pm.h
*
* Header file for OMAP Power Management Routines
*
* Author: MontaVista Software, Inc.
* support@mvista.com
*
* Copyright 2002 MontaVista Software Inc.
*
* Cleanup 2004 for Linux 2.6 by Dirk Behme <dirk.behme@de.bosch.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; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ASM_ARCH_OMAP_PM_H
#define __ASM_ARCH_OMAP_PM_H
/*
* ----------------------------------------------------------------------------
* Register and offset definitions to be used in PM assembler code
* ----------------------------------------------------------------------------
*/
#define CLKGEN_REG_ASM_BASE io_p2v(0xfffece00)
#define ARM_IDLECT1_ASM_OFFSET 0x04
#define ARM_IDLECT2_ASM_OFFSET 0x08
#define TCMIF_ASM_BASE io_p2v(0xfffecc00)
#define EMIFS_CONFIG_ASM_OFFSET 0x0c
#define EMIFF_SDRAM_CONFIG_ASM_OFFSET 0x20
/*
* ----------------------------------------------------------------------------
* Power management bitmasks
* ----------------------------------------------------------------------------
*/
#define IDLE_WAIT_CYCLES 0x00000fff
#define PERIPHERAL_ENABLE 0x2
#define SELF_REFRESH_MODE 0x0c000001
#define IDLE_EMIFS_REQUEST 0xc
#define MODEM_32K_EN 0x1
#define PER_EN 0x1
#define CPU_SUSPEND_SIZE 200
#define ULPD_LOW_PWR_EN 0x0001
#define ULPD_DEEP_SLEEP_TRANSITION_EN 0x0010
#define ULPD_SETUP_ANALOG_CELL_3_VAL 0
#define ULPD_POWER_CTRL_REG_VAL 0x0219
#define DSP_IDLE_DELAY 10
#define DSP_IDLE 0x0040
#define DSP_RST 0x0004
#define DSP_ENABLE 0x0002
#define SUFFICIENT_DSP_RESET_TIME 1000
#define DEFAULT_MPUI_CONFIG 0x05cf
#define ENABLE_XORCLK 0x2
#define DSP_CLOCK_ENABLE 0x2000
#define DSP_IDLE_MODE 0x2
#define TC_IDLE_REQUEST (0x0000000c)
#define IRQ_LEVEL2 (1<<0)
#define IRQ_KEYBOARD (1<<1)
#define IRQ_UART2 (1<<15)
#define PDE_BIT 0x08
#define PWD_EN_BIT 0x04
#define EN_PERCK_BIT 0x04
#define OMAP1510_DEEP_SLEEP_REQUEST 0x0ec7
#define OMAP1510_BIG_SLEEP_REQUEST 0x0cc5
#define OMAP1510_IDLE_LOOP_REQUEST 0x0c00
#define OMAP1510_IDLE_CLOCK_DOMAINS 0x2
/* Both big sleep and deep sleep use same values. Difference is in ULPD. */
#define OMAP1610_IDLECT1_SLEEP_VAL 0x13c7
#define OMAP1610_IDLECT2_SLEEP_VAL 0x09c7
#define OMAP1610_IDLECT3_VAL 0x3f
#define OMAP1610_IDLECT3_SLEEP_ORMASK 0x2c
#define OMAP1610_IDLECT3 0xfffece24
#define OMAP1610_IDLE_LOOP_REQUEST 0x0400
#define OMAP730_IDLECT1_SLEEP_VAL 0x16c7
#define OMAP730_IDLECT2_SLEEP_VAL 0x09c7
#define OMAP730_IDLECT3_VAL 0x3f
#define OMAP730_IDLECT3 0xfffece24
#define OMAP730_IDLE_LOOP_REQUEST 0x0C00
#if !defined(CONFIG_ARCH_OMAP730) && \
!defined(CONFIG_ARCH_OMAP15XX) && \
!defined(CONFIG_ARCH_OMAP16XX) && \
!defined(CONFIG_ARCH_OMAP24XX)
#error "Power management for this processor not implemented yet"
#endif
#ifndef __ASSEMBLER__
#include <linux/clk.h>
extern void prevent_idle_sleep(void);
extern void allow_idle_sleep(void);
/**
* clk_deny_idle - Prevents the clock from being idled during MPU idle
* @clk: clock signal handle
*/
void clk_deny_idle(struct clk *clk);
/**
* clk_allow_idle - Counters previous clk_deny_idle
* @clk: clock signal handle
*/
void clk_deny_idle(struct clk *clk);
extern void omap_pm_idle(void);
extern void omap_pm_suspend(void);
extern void omap730_cpu_suspend(unsigned short, unsigned short);
extern void omap1510_cpu_suspend(unsigned short, unsigned short);
extern void omap1610_cpu_suspend(unsigned short, unsigned short);
extern void omap24xx_cpu_suspend(u32 dll_ctrl, u32 cpu_revision);
extern void omap730_idle_loop_suspend(void);
extern void omap1510_idle_loop_suspend(void);
extern void omap1610_idle_loop_suspend(void);
extern void omap24xx_idle_loop_suspend(void);
extern unsigned int omap730_cpu_suspend_sz;
extern unsigned int omap1510_cpu_suspend_sz;
extern unsigned int omap1610_cpu_suspend_sz;
extern unsigned int omap24xx_cpu_suspend_sz;
extern unsigned int omap730_idle_loop_suspend_sz;
extern unsigned int omap1510_idle_loop_suspend_sz;
extern unsigned int omap1610_idle_loop_suspend_sz;
extern unsigned int omap24xx_idle_loop_suspend_sz;
#ifdef CONFIG_OMAP_SERIAL_WAKE
extern void omap_serial_wake_trigger(int enable);
#else
#define omap_serial_wakeup_init() {}
#define omap_serial_wake_trigger(x) {}
#endif /* CONFIG_OMAP_SERIAL_WAKE */
#define ARM_SAVE(x) arm_sleep_save[ARM_SLEEP_SAVE_##x] = omap_readl(x)
#define ARM_RESTORE(x) omap_writel((arm_sleep_save[ARM_SLEEP_SAVE_##x]), (x))
#define ARM_SHOW(x) arm_sleep_save[ARM_SLEEP_SAVE_##x]
#define DSP_SAVE(x) dsp_sleep_save[DSP_SLEEP_SAVE_##x] = __raw_readw(x)
#define DSP_RESTORE(x) __raw_writew((dsp_sleep_save[DSP_SLEEP_SAVE_##x]), (x))
#define DSP_SHOW(x) dsp_sleep_save[DSP_SLEEP_SAVE_##x]
#define ULPD_SAVE(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x] = omap_readw(x)
#define ULPD_RESTORE(x) omap_writew((ulpd_sleep_save[ULPD_SLEEP_SAVE_##x]), (x))
#define ULPD_SHOW(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x]
#define MPUI730_SAVE(x) mpui730_sleep_save[MPUI730_SLEEP_SAVE_##x] = omap_readl(x)
#define MPUI730_RESTORE(x) omap_writel((mpui730_sleep_save[MPUI730_SLEEP_SAVE_##x]), (x))
#define MPUI730_SHOW(x) mpui730_sleep_save[MPUI730_SLEEP_SAVE_##x]
#define MPUI1510_SAVE(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x] = omap_readl(x)
#define MPUI1510_RESTORE(x) omap_writel((mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x]), (x))
#define MPUI1510_SHOW(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x]
#define MPUI1610_SAVE(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x] = omap_readl(x)
#define MPUI1610_RESTORE(x) omap_writel((mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x]), (x))
#define MPUI1610_SHOW(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x]
#define OMAP24XX_SAVE(x) omap24xx_sleep_save[OMAP24XX_SLEEP_SAVE_##x] = x
#define OMAP24XX_RESTORE(x) x = omap24xx_sleep_save[OMAP24XX_SLEEP_SAVE_##x]
#define OMAP24XX_SHOW(x) omap24xx_sleep_save[OMAP24XX_SLEEP_SAVE_##x]
/*
* List of global OMAP registers to preserve.
* More ones like CP and general purpose register values are preserved
* with the stack pointer in sleep.S.
*/
enum arm_save_state {
ARM_SLEEP_SAVE_START = 0,
/*
* MPU control registers 32 bits
*/
ARM_SLEEP_SAVE_ARM_CKCTL,
ARM_SLEEP_SAVE_ARM_IDLECT1,
ARM_SLEEP_SAVE_ARM_IDLECT2,
ARM_SLEEP_SAVE_ARM_IDLECT3,
ARM_SLEEP_SAVE_ARM_EWUPCT,
ARM_SLEEP_SAVE_ARM_RSTCT1,
ARM_SLEEP_SAVE_ARM_RSTCT2,
ARM_SLEEP_SAVE_ARM_SYSST,
ARM_SLEEP_SAVE_SIZE
};
enum dsp_save_state {
DSP_SLEEP_SAVE_START = 0,
/*
* DSP registers 16 bits
*/
DSP_SLEEP_SAVE_DSP_IDLECT2,
DSP_SLEEP_SAVE_SIZE
};
enum ulpd_save_state {
ULPD_SLEEP_SAVE_START = 0,
/*
* ULPD registers 16 bits
*/
ULPD_SLEEP_SAVE_ULPD_IT_STATUS,
ULPD_SLEEP_SAVE_ULPD_CLOCK_CTRL,
ULPD_SLEEP_SAVE_ULPD_SOFT_REQ,
ULPD_SLEEP_SAVE_ULPD_STATUS_REQ,
ULPD_SLEEP_SAVE_ULPD_DPLL_CTRL,
ULPD_SLEEP_SAVE_ULPD_POWER_CTRL,
ULPD_SLEEP_SAVE_SIZE
};
enum mpui1510_save_state {
MPUI1510_SLEEP_SAVE_START = 0,
/*
* MPUI registers 32 bits
*/
MPUI1510_SLEEP_SAVE_MPUI_CTRL,
MPUI1510_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG,
MPUI1510_SLEEP_SAVE_MPUI_DSP_API_CONFIG,
MPUI1510_SLEEP_SAVE_MPUI_DSP_STATUS,
MPUI1510_SLEEP_SAVE_EMIFF_SDRAM_CONFIG,
MPUI1510_SLEEP_SAVE_EMIFS_CONFIG,
MPUI1510_SLEEP_SAVE_OMAP_IH1_MIR,
MPUI1510_SLEEP_SAVE_OMAP_IH2_MIR,
#if defined(CONFIG_ARCH_OMAP15XX)
MPUI1510_SLEEP_SAVE_SIZE
#else
MPUI1510_SLEEP_SAVE_SIZE = 0
#endif
};
enum mpui730_save_state {
MPUI730_SLEEP_SAVE_START = 0,
/*
* MPUI registers 32 bits
*/
MPUI730_SLEEP_SAVE_MPUI_CTRL,
MPUI730_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG,
MPUI730_SLEEP_SAVE_MPUI_DSP_API_CONFIG,
MPUI730_SLEEP_SAVE_MPUI_DSP_STATUS,
MPUI730_SLEEP_SAVE_EMIFF_SDRAM_CONFIG,
MPUI730_SLEEP_SAVE_EMIFS_CONFIG,
MPUI730_SLEEP_SAVE_OMAP_IH1_MIR,
MPUI730_SLEEP_SAVE_OMAP_IH2_0_MIR,
MPUI730_SLEEP_SAVE_OMAP_IH2_1_MIR,
#if defined(CONFIG_ARCH_OMAP730)
MPUI730_SLEEP_SAVE_SIZE
#else
MPUI730_SLEEP_SAVE_SIZE = 0
#endif
};
enum mpui1610_save_state {
MPUI1610_SLEEP_SAVE_START = 0,
/*
* MPUI registers 32 bits
*/
MPUI1610_SLEEP_SAVE_MPUI_CTRL,
MPUI1610_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG,
MPUI1610_SLEEP_SAVE_MPUI_DSP_API_CONFIG,
MPUI1610_SLEEP_SAVE_MPUI_DSP_STATUS,
MPUI1610_SLEEP_SAVE_EMIFF_SDRAM_CONFIG,
MPUI1610_SLEEP_SAVE_EMIFS_CONFIG,
MPUI1610_SLEEP_SAVE_OMAP_IH1_MIR,
MPUI1610_SLEEP_SAVE_OMAP_IH2_0_MIR,
MPUI1610_SLEEP_SAVE_OMAP_IH2_1_MIR,
MPUI1610_SLEEP_SAVE_OMAP_IH2_2_MIR,
MPUI1610_SLEEP_SAVE_OMAP_IH2_3_MIR,
#if defined(CONFIG_ARCH_OMAP16XX)
MPUI1610_SLEEP_SAVE_SIZE
#else
MPUI1610_SLEEP_SAVE_SIZE = 0
#endif
};
enum omap24xx_save_state {
OMAP24XX_SLEEP_SAVE_START = 0,
OMAP24XX_SLEEP_SAVE_INTC_MIR0,
OMAP24XX_SLEEP_SAVE_INTC_MIR1,
OMAP24XX_SLEEP_SAVE_INTC_MIR2,
OMAP24XX_SLEEP_SAVE_CM_CLKSTCTRL_MPU,
OMAP24XX_SLEEP_SAVE_CM_CLKSTCTRL_CORE,
OMAP24XX_SLEEP_SAVE_CM_CLKSTCTRL_GFX,
OMAP24XX_SLEEP_SAVE_CM_CLKSTCTRL_DSP,
OMAP24XX_SLEEP_SAVE_CM_CLKSTCTRL_MDM,
OMAP24XX_SLEEP_SAVE_PM_PWSTCTRL_MPU,
OMAP24XX_SLEEP_SAVE_PM_PWSTCTRL_CORE,
OMAP24XX_SLEEP_SAVE_PM_PWSTCTRL_GFX,
OMAP24XX_SLEEP_SAVE_PM_PWSTCTRL_DSP,
OMAP24XX_SLEEP_SAVE_PM_PWSTCTRL_MDM,
OMAP24XX_SLEEP_SAVE_CM_IDLEST1_CORE,
OMAP24XX_SLEEP_SAVE_CM_IDLEST2_CORE,
OMAP24XX_SLEEP_SAVE_CM_IDLEST3_CORE,
OMAP24XX_SLEEP_SAVE_CM_IDLEST4_CORE,
OMAP24XX_SLEEP_SAVE_CM_IDLEST_GFX,
OMAP24XX_SLEEP_SAVE_CM_IDLEST_WKUP,
OMAP24XX_SLEEP_SAVE_CM_IDLEST_CKGEN,
OMAP24XX_SLEEP_SAVE_CM_IDLEST_DSP,
OMAP24XX_SLEEP_SAVE_CM_IDLEST_MDM,
OMAP24XX_SLEEP_SAVE_CM_AUTOIDLE1_CORE,
OMAP24XX_SLEEP_SAVE_CM_AUTOIDLE2_CORE,
OMAP24XX_SLEEP_SAVE_CM_AUTOIDLE3_CORE,
OMAP24XX_SLEEP_SAVE_CM_AUTOIDLE4_CORE,
OMAP24XX_SLEEP_SAVE_CM_AUTOIDLE_WKUP,
OMAP24XX_SLEEP_SAVE_CM_AUTOIDLE_PLL,
OMAP24XX_SLEEP_SAVE_CM_AUTOIDLE_DSP,
OMAP24XX_SLEEP_SAVE_CM_AUTOIDLE_MDM,
OMAP24XX_SLEEP_SAVE_CM_FCLKEN1_CORE,
OMAP24XX_SLEEP_SAVE_CM_FCLKEN2_CORE,
OMAP24XX_SLEEP_SAVE_CM_ICLKEN1_CORE,
OMAP24XX_SLEEP_SAVE_CM_ICLKEN2_CORE,
OMAP24XX_SLEEP_SAVE_CM_ICLKEN3_CORE,
OMAP24XX_SLEEP_SAVE_CM_ICLKEN4_CORE,
OMAP24XX_SLEEP_SAVE_GPIO1_IRQENABLE1,
OMAP24XX_SLEEP_SAVE_GPIO2_IRQENABLE1,
OMAP24XX_SLEEP_SAVE_GPIO3_IRQENABLE1,
OMAP24XX_SLEEP_SAVE_GPIO4_IRQENABLE1,
OMAP24XX_SLEEP_SAVE_GPIO3_OE,
OMAP24XX_SLEEP_SAVE_GPIO4_OE,
OMAP24XX_SLEEP_SAVE_GPIO3_RISINGDETECT,
OMAP24XX_SLEEP_SAVE_GPIO3_FALLINGDETECT,
OMAP24XX_SLEEP_SAVE_CONTROL_PADCONF_SPI1_NCS2,
OMAP24XX_SLEEP_SAVE_CONTROL_PADCONF_MCBSP1_DX,
OMAP24XX_SLEEP_SAVE_CONTROL_PADCONF_SSI1_FLAG_TX,
OMAP24XX_SLEEP_SAVE_CONTROL_PADCONF_SYS_NIRQW0,
OMAP24XX_SLEEP_SAVE_SIZE
};
#endif /* ASSEMBLER */
#endif /* __ASM_ARCH_OMAP_PM_H */
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